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bc(e,t){this.dyn_tree=e,this.max_code=0,this.stat_desc=t}function xc(e){return e<256?fc[e]:fc[256+(e>>>7)]}function Sc(e,t){e.pending_buf[e.pending++]=t&255,e.pending_buf[e.pending++]=t>>>8&255}function Cc(e,t,n){e.bi_valid>$s-n?(e.bi_buf|=t<<e.bi_valid&65535,Sc(e,e.bi_buf),e.bi_buf=t>>$s-e.bi_valid,e.bi_valid+=n-$s):(e.bi_buf|=t<<e.bi_valid&65535,e.bi_valid+=n)}function wc(e,t,n){Cc(e,n[t*2],n[t*2+1])}function Tc(e,t){var n=0;do n|=e&1,e>>>=1,n<<=1;while(--t>0);return n>>>1}function Ec(e){e.bi_valid===16?(Sc(e,e.bi_buf),e.bi_buf=0,e.bi_valid=0):e.bi_valid>=8&&(e.pending_buf[e.pending++]=e.bi_buf&255,e.bi_buf>>=8,e.bi_valid-=8)}function Dc(e,t){var n=t.dyn_tree,r=t.max_code,i=t.stat_desc.static_tree,a=t.stat_desc.has_stree,o=t.stat_desc.extra_bits,s=t.stat_desc.extra_base,c=t.stat_desc.max_length,l,u,d,f,p,m,h=0;for(f=0;f<=Qs;f++)e.bl_count[f]=0;for(n[e.heap[e.heap_max]*2+1]=0,l=e.heap_max+1;l<Zs;l++)u=e.heap[l],f=n[n[u*2+1]*2+1]+1,f>c&&(f=c,h++),n[u*2+1]=f,!(u>r)&&(e.bl_count[f]++,p=0,u>=s&&(p=o[u-s]),m=n[u*2],e.opt_len+=m*(f+p),a&&(e.static_len+=m*(i[u*2+1]+p)));if(h!==0){do{for(f=c-1;e.bl_count[f]===0;)f--;e.bl_count[f]--,e.bl_count[f+1]+=2,e.bl_count[c]--,h-=2}while(h>0);for(f=c;f!==0;f--)for(u=e.bl_count[f];u!==0;)d=e.heap[--l],!(d>r)&&(n[d*2+1]!==f&&(e.opt_len+=(f-n[d*2+1])*n[d*2],n[d*2+1]=f),u--)}}function Oc(e,t,n){var r=Array(Qs+1),i=0,a,o;for(a=1;a<=Qs;a++)r[a]=i=i+n[a-1]<<1;for(o=0;o<=t;o++){var s=e[o*2+1];s!==0&&(e[o*2]=Tc(r[s]++,s))}}function kc(){var e,t,n,r,i,a=Array(Qs+1);for(uc=Array((Js+2)*2),Bs(uc),dc=Array(Ys*2),Bs(dc),fc=Array(lc),Bs(fc),pc=Array(Gs-Ws+1),Bs(pc),mc=Array(Ks),Bs(mc),hc=Array(Ys),Bs(hc),n=0,r=0;r<Ks-1;r++)for(mc[r]=n,e=0;e<1<<ac[r];e++)pc[n++]=r;for(pc[n-1]=r,i=0,r=0;r<16;r++)for(hc[r]=i,e=0;e<1<<oc[r];e++)fc[i++]=r;for(i>>=7;r<Ys;r++)for(hc[r]=i<<7,e=0;e<1<<oc[r]-7;e++)fc[256+i++]=r;for(t=0;t<=Qs;t++)a[t]=0;for(e=0;e<=143;)uc[e*2+1]=8,e++,a[8]++;for(;e<=255;)uc[e*2+1]=9,e++,a[9]++;for(;e<=279;)uc[e*2+1]=7,e++,a[7]++;for(;e<=287;)uc[e*2+1]=8,e++,a[8]++;for(Oc(uc,Js+1,a),e=0;e<Ys;e++)dc[e*2+1]=5,dc[e*2]=Tc(e,5);_c=new gc(uc,ac,qs+1,Js,Qs),vc=new gc(dc,oc,0,Ys,Qs),yc=new gc([],sc,0,Xs,ec)}function Ac(e){var t;for(t=0;t<Js;t++)e.dyn_ltree[t*2]=0;for(t=0;t<Ys;t++)e.dyn_dtree[t*2]=0;for(t=0;t<Xs;t++)e.bl_tree[t*2]=0;e.dyn_ltree[tc*2]=1,e.opt_len=e.static_len=0,e.last_lit=e.matches=0}function jc(e){e.bi_valid>8?Sc(e,e.bi_buf):e.bi_valid>0&&(e.pending_buf[e.pending++]=e.bi_buf),e.bi_buf=0,e.bi_valid=0}function Mc(e,t,n,r){jc(e),r&&(Sc(e,n),Sc(e,~n)),Cs(e.pending_buf,e.window,t,n,e.pending),e.pending+=n}function Nc(e,t,n,r){var i=t*2,a=n*2;return e[i]<e[a]||e[i]===e[a]&&r[t]<=r[n]}function Pc(e,t,n){for(var r=e.heap[n],i=n<<1;i<=e.heap_len&&(i<e.heap_len&&Nc(t,e.heap[i+1],e.heap[i],e.depth)&&i++,!Nc(t,r,e.heap[i],e.depth));)e.heap[n]=e.heap[i],n=i,i<<=1;e.heap[n]=r}function Fc(e,t,n){var r,i,a=0,o,s;if(e.last_lit!==0)do r=e.pending_buf[e.d_buf+a*2]<<8|e.pending_buf[e.d_buf+a*2+1],i=e.pending_buf[e.l_buf+a],a++,r===0?wc(e,i,t):(o=pc[i],wc(e,o+qs+1,t),s=ac[o],s!==0&&(i-=mc[o],Cc(e,i,s)),r--,o=xc(r),wc(e,o,n),s=oc[o],s!==0&&(r-=hc[o],Cc(e,r,s)));while(a<e.last_lit);wc(e,tc,t)}function Ic(e,t){var n=t.dyn_tree,r=t.stat_desc.static_tree,i=t.stat_desc.has_stree,a=t.stat_desc.elems,o,s,c=-1,l;for(e.heap_len=0,e.heap_max=Zs,o=0;o<a;o++)n[o*2]===0?n[o*2+1]=0:(e.heap[++e.heap_len]=c=o,e.depth[o]=0);for(;e.heap_len<2;)l=e.heap[++e.heap_len]=c<2?++c:0,n[l*2]=1,e.depth[l]=0,e.opt_len--,i&&(e.static_len-=r[l*2+1]);for(t.max_code=c,o=e.heap_len>>1;o>=1;o--)Pc(e,n,o);l=a;do o=e.heap[1],e.heap[1]=e.heap[e.heap_len--],Pc(e,n,1),s=e.heap[1],e.heap[--e.heap_max]=o,e.heap[--e.heap_max]=s,n[l*2]=n[o*2]+n[s*2],e.depth[l]=(e.depth[o]>=e.depth[s]?e.depth[o]:e.depth[s])+1,n[o*2+1]=n[s*2+1]=l,e.heap[1]=l++,Pc(e,n,1);while(e.heap_len>=2);e.heap[--e.heap_max]=e.heap[1],Dc(e,t),Oc(n,c,e.bl_count)}function Lc(e,t,n){var r,i=-1,a,o=t[1],s=0,c=7,l=4;for(o===0&&(c=138,l=3),t[(n+1)*2+1]=65535,r=0;r<=n;r++)a=o,o=t[(r+1)*2+1],!(++s<c&&a===o)&&(s<l?e.bl_tree[a*2]+=s:a===0?s<=10?e.bl_tree[rc*2]++:e.bl_tree[ic*2]++:(a!==i&&e.bl_tree[a*2]++,e.bl_tree[nc*2]++),s=0,i=a,o===0?(c=138,l=3):a===o?(c=6,l=3):(c=7,l=4))}function Rc(e,t,n){var r,i=-1,a,o=t[1],s=0,c=7,l=4;for(o===0&&(c=138,l=3),r=0;r<=n;r++)if(a=o,o=t[(r+1)*2+1],!(++s<c&&a===o)){if(s<l)do wc(e,a,e.bl_tree);while(--s!==0);else a===0?s<=10?(wc(e,rc,e.bl_tree),Cc(e,s-3,3)):(wc(e,ic,e.bl_tree),Cc(e,s-11,7)):(a!==i&&(wc(e,a,e.bl_tree),s--),wc(e,nc,e.bl_tree),Cc(e,s-3,2));s=0,i=a,o===0?(c=138,l=3):a===o?(c=6,l=3):(c=7,l=4)}}function zc(e){var t;for(Lc(e,e.dyn_ltree,e.l_desc.max_code),Lc(e,e.dyn_dtree,e.d_desc.max_code),Ic(e,e.bl_desc),t=Xs-1;t>=3&&e.bl_tree[cc[t]*2+1]===0;t--);return e.opt_len+=3*(t+1)+5+5+4,t}function Bc(e,t,n,r){var i;for(Cc(e,t-257,5),Cc(e,n-1,5),Cc(e,r-4,4),i=0;i<r;i++)Cc(e,e.bl_tree[cc[i]*2+1],3);Rc(e,e.dyn_ltree,t-1),Rc(e,e.dyn_dtree,n-1)}function Vc(e){var t=4093624447,n;for(n=0;n<=31;n++,t>>>=1)if(t&1&&e.dyn_ltree[n*2]!==0)return 0;if(e.dyn_ltree[18]!==0||e.dyn_ltree[20]!==0||e.dyn_ltree[26]!==0)return 1;for(n=32;n<qs;n++)if(e.dyn_ltree[n*2]!==0)return 1;return 0}var Hc=!1;function Uc(e){Hc||=(kc(),!0),e.l_desc=new bc(e.dyn_ltree,_c),e.d_desc=new bc(e.dyn_dtree,vc),e.bl_desc=new bc(e.bl_tree,yc),e.bi_buf=0,e.bi_valid=0,Ac(e)}function Wc(e,t,n,r){Cc(e,(Vs<<1)+ +!!r,3),Mc(e,t,n,!0)}function Gc(e){Cc(e,Hs<<1,3),wc(e,tc,uc),Ec(e)}function Kc(e,t,n,r){var i,a,o=0;e.level>0?(e.strm.data_type===2&&(e.strm.data_type=Vc(e)),Ic(e,e.l_desc),Ic(e,e.d_desc),o=zc(e),i=e.opt_len+3+7>>>3,a=e.static_len+3+7>>>3,a<=i&&(i=a)):i=a=n+5,n+4<=i&&t!==-1?Wc(e,t,n,r):e.strategy===4||a===i?(Cc(e,(Hs<<1)+ +!!r,3),Fc(e,uc,dc)):(Cc(e,(Us<<1)+ +!!r,3),Bc(e,e.l_desc.max_code+1,e.d_desc.max_code+1,o+1),Fc(e,e.dyn_ltree,e.dyn_dtree)),Ac(e),r&&jc(e)}function qc(e,t,n){return e.pending_buf[e.d_buf+e.last_lit*2]=t>>>8&255,e.pending_buf[e.d_buf+e.last_lit*2+1]=t&255,e.pending_buf[e.l_buf+e.last_lit]=n&255,e.last_lit++,t===0?e.dyn_ltree[n*2]++:(e.matches++,t--,e.dyn_ltree[(pc[n]+qs+1)*2]++,e.dyn_dtree[xc(t)*2]++),e.last_lit===e.lit_bufsize-1}var Jc=9,Yc=286,Xc=30,Zc=19,Qc=2*Yc+1,$c=15,R=3,el=258,tl=el+R+1,nl=32,rl=42,il=69,al=73,ol=91,sl=103,cl=113,ll=666,ul=1,dl=2,fl=3,pl=4,ml=3;function hl(e,t){return e.msg=Rs[t],t}function gl(e){return(e<<1)-(e>4?9:0)}function _l(e){for(var t=e.length;--t>=0;)e[t]=0}function vl(e){var t=e.state,n=t.pending;n>e.avail_out&&(n=e.avail_out),n!==0&&(Cs(e.output,t.pending_buf,t.pending_out,n,e.next_out),e.next_out+=n,t.pending_out+=n,e.total_out+=n,e.avail_out-=n,t.pending-=n,t.pending===0&&(t.pending_out=0))}function yl(e,t){Kc(e,e.block_start>=0?e.block_start:-1,e.strstart-e.block_start,t),e.block_start=e.strstart,vl(e.strm)}function z(e,t){e.pending_buf[e.pending++]=t}function bl(e,t){e.pending_buf[e.pending++]=t>>>8&255,e.pending_buf[e.pending++]=t&255}function xl(e,t,n,r){var i=e.avail_in;return i>r&&(i=r),i===0?0:(e.avail_in-=i,Cs(t,e.input,e.next_in,i,n),e.state.wrap===1?e.adler=Ps(e.adler,t,i,n):e.state.wrap===2&&(e.adler=Ls(e.adler,t,i,n)),e.next_in+=i,e.total_in+=i,i)}function Sl(e,t){var n=e.max_chain_length,r=e.strstart,i,a,o=e.prev_length,s=e.nice_match,c=e.strstart>e.w_size-tl?e.strstart-(e.w_size-tl):0,l=e.window,u=e.w_mask,d=e.prev,f=e.strstart+el,p=l[r+o-1],m=l[r+o];e.prev_length>=e.good_match&&(n>>=2),s>e.lookahead&&(s=e.lookahead);do{if(i=t,l[i+o]!==m||l[i+o-1]!==p||l[i]!==l[r]||l[++i]!==l[r+1])continue;r+=2,i++;do;while(l[++r]===l[++i]&&l[++r]===l[++i]&&l[++r]===l[++i]&&l[++r]===l[++i]&&l[++r]===l[++i]&&l[++r]===l[++i]&&l[++r]===l[++i]&&l[++r]===l[++i]&&r<f);if(a=el-(f-r),r=f-el,a>o){if(e.match_start=t,o=a,a>=s)break;p=l[r+o-1],m=l[r+o]}}while((t=d[t&u])>c&&--n!==0);return o<=e.lookahead?o:e.lookahead}function Cl(e){var t=e.w_size,n,r,i,a,o;do{if(a=e.window_size-e.lookahead-e.strstart,e.strstart>=t+(t-tl)){Cs(e.window,e.window,t,t,0),e.match_start-=t,e.strstart-=t,e.block_start-=t,r=e.hash_size,n=r;do i=e.head[--n],e.head[n]=i>=t?i-t:0;while(--r);r=t,n=r;do i=e.prev[--n],e.prev[n]=i>=t?i-t:0;while(--r);a+=t}if(e.strm.avail_in===0)break;if(r=xl(e.strm,e.window,e.strstart+e.lookahead,a),e.lookahead+=r,e.lookahead+e.insert>=R)for(o=e.strstart-e.insert,e.ins_h=e.window[o],e.ins_h=(e.ins_h<<e.hash_shift^e.window[o+1])&e.hash_mask;e.insert&&(e.ins_h=(e.ins_h<<e.hash_shift^e.window[o+R-1])&e.hash_mask,e.prev[o&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=o,o++,e.insert--,!(e.lookahead+e.insert<R)););}while(e.lookahead<tl&&e.strm.avail_in!==0)}function wl(e,t){var n=65535;for(n>e.pending_buf_size-5&&(n=e.pending_buf_size-5);;){if(e.lookahead<=1){if(Cl(e),e.lookahead===0&&t===0)return ul;if(e.lookahead===0)break}e.strstart+=e.lookahead,e.lookahead=0;var r=e.block_start+n;if((e.strstart===0||e.strstart>=r)&&(e.lookahead=e.strstart-r,e.strstart=r,yl(e,!1),e.strm.avail_out===0)||e.strstart-e.block_start>=e.w_size-tl&&(yl(e,!1),e.strm.avail_out===0))return ul}return e.insert=0,t===4?(yl(e,!0),e.strm.avail_out===0?fl:pl):(e.strstart>e.block_start&&(yl(e,!1),e.strm.avail_out),ul)}function Tl(e,t){for(var n,r;;){if(e.lookahead<tl){if(Cl(e),e.lookahead<tl&&t===0)return ul;if(e.lookahead===0)break}if(n=0,e.lookahead>=R&&(e.ins_h=(e.ins_h<<e.hash_shift^e.window[e.strstart+R-1])&e.hash_mask,n=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart),n!==0&&e.strstart-n<=e.w_size-tl&&(e.match_length=Sl(e,n)),e.match_length>=R)if(r=qc(e,e.strstart-e.match_start,e.match_length-R),e.lookahead-=e.match_length,e.match_length<=e.max_lazy_match&&e.lookahead>=R){e.match_length--;do e.strstart++,e.ins_h=(e.ins_h<<e.hash_shift^e.window[e.strstart+R-1])&e.hash_mask,n=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart;while(--e.match_length!==0);e.strstart++}else e.strstart+=e.match_length,e.match_length=0,e.ins_h=e.window[e.strstart],e.ins_h=(e.ins_h<<e.hash_shift^e.window[e.strstart+1])&e.hash_mask;else r=qc(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++;if(r&&(yl(e,!1),e.strm.avail_out===0))return ul}return e.insert=e.strstart<R-1?e.strstart:R-1,t===4?(yl(e,!0),e.strm.avail_out===0?fl:pl):e.last_lit&&(yl(e,!1),e.strm.avail_out===0)?ul:dl}function El(e,t){for(var n,r,i;;){if(e.lookahead<tl){if(Cl(e),e.lookahead<tl&&t===0)return ul;if(e.lookahead===0)break}if(n=0,e.lookahead>=R&&(e.ins_h=(e.ins_h<<e.hash_shift^e.window[e.strstart+R-1])&e.hash_mask,n=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart),e.prev_length=e.match_length,e.prev_match=e.match_start,e.match_length=R-1,n!==0&&e.prev_length<e.max_lazy_match&&e.strstart-n<=e.w_size-tl&&(e.match_length=Sl(e,n),e.match_length<=5&&(e.strategy===1||e.match_length===R&&e.strstart-e.match_start>4096)&&(e.match_length=R-1)),e.prev_length>=R&&e.match_length<=e.prev_length){i=e.strstart+e.lookahead-R,r=qc(e,e.strstart-1-e.prev_match,e.prev_length-R),e.lookahead-=e.prev_length-1,e.prev_length-=2;do++e.strstart<=i&&(e.ins_h=(e.ins_h<<e.hash_shift^e.window[e.strstart+R-1])&e.hash_mask,n=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart);while(--e.prev_length!==0);if(e.match_available=0,e.match_length=R-1,e.strstart++,r&&(yl(e,!1),e.strm.avail_out===0))return ul}else if(e.match_available){if(r=qc(e,0,e.window[e.strstart-1]),r&&yl(e,!1),e.strstart++,e.lookahead--,e.strm.avail_out===0)return ul}else e.match_available=1,e.strstart++,e.lookahead--}return e.match_available&&=(r=qc(e,0,e.window[e.strstart-1]),0),e.insert=e.strstart<R-1?e.strstart:R-1,t===4?(yl(e,!0),e.strm.avail_out===0?fl:pl):e.last_lit&&(yl(e,!1),e.strm.avail_out===0)?ul:dl}function Dl(e,t){for(var n,r,i,a,o=e.window;;){if(e.lookahead<=el){if(Cl(e),e.lookahead<=el&&t===0)return 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e(this.source,this.target)}},J=class e{constructor(e){this.links=[],this.nodes=[],this._nodeMap=new M,this.diagram=null,this._root=null,this.bounds=new K,this._hasCachedRelationships=!1,this.type=`Graph`,this.componentIndex=0,T(e)?O(e)?this.id=e:(this.diagram=e,this.id=e.id):this.id=Ot()}cacheRelationships(e){if(D(e)&&(e=!1),!(this._hasCachedRelationships&&!e)){for(let e=0,t=this.nodes.length;e<t;e++){let t=this.nodes[e];t.children=this.getChildren(t),t.parents=this.getParents(t)}this._hasCachedRelationships=!0}}assignLevels(e,t,n){if(!e)throw Error(`Start node not specified.`);D(t)&&(t=0),this.cacheRelationships(),D(n)&&(n=new M,k(this.nodes,function(e){n.add(e,!1)})),n.set(e,!0),e.level=t;let r=e.children;for(let e=0,i=r.length;e<i;e++){let i=r[e];!i||n.get(i)||this.assignLevels(i,t+1,n)}}root(e){if(D(e))return this._root?this._root:ft(this.nodes,function(e){return e.incoming.length===0})||ft(this.nodes);this._root=e}getConnectedComponents(){this.componentIndex=0,this.setItemIndices();let t=Xe(this.nodes.length,-1);for(let e=0;e<this.nodes.length;e++)t[e]===-1&&(this._collectConnectedNodes(t,e),this.componentIndex++);let n=[],r;for(r=0;r<this.componentIndex;++r)n[r]=new e;for(r=0;r<t.length;++r)n[t[r]].addNodeAndOutgoings(this.nodes[r]);return n.sort(function(e,t){return t.nodes.length-e.nodes.length}),n}_collectConnectedNodes(e,t){e[t]=this.componentIndex;let n=this.nodes[t];k(n.links,function(t){let r=t.getComplement(n).index;e[r]===-1&&this._collectConnectedNodes(e,r)},this)}calcBounds(){if(this.isEmpty())return this.bounds=new K,this.bounds;let e=null;for(let t=0,n=this.nodes.length;t<n;t++){let n=this.nodes[t];e=e?e.union(n.bounds()):n.bounds()}return this.bounds=e,this.bounds}getSpanningTree(t){let n=new e,r=new M,i,a,o=t.clone();n.root(o),o.level=0,o.id=t.id,r.add(t,n.root()),t.level=0;let s=[],c=[];n._addNode(n.root()),s.push(t),c.push(t);let l=1;for(;c.length>0;){let e=c.pop();for(let t=0;t<e.links.length;t++){let o=e.links[t].getComplement(e);if(j(s,o))continue;o.level=e.level+1,l<o.level+1&&(l=o.level+1),j(c,o)||c.push(o),j(s,o)||s.push(o),r.containsKey(e)?i=r.get(e):(i=e.clone(),i.level=e.level,i.id=e.id,r.add(e,i)),r.containsKey(o)?a=r.get(o):(a=o.clone(),a.level=o.level,a.id=o.id,r.add(o,a));let u=new ff(i,a);n.addLink(u)}}let u=[];for(let e=0;e<l;e++)u.push([]);return k(n.nodes,function(e){u[e.level].push(e)}),n.treeLevels=u,n.cacheRelationships(),n}takeRandomNode(e,t){if(D(e)&&(e=[]),D(t)&&(t=4),this.nodes.length===0)return null;if(this.nodes.length===1)return j(e,this.nodes[0])?null:this.nodes[0];let n=this.nodes.filter(function(n){return!j(e,n)&&n.degree()<=t});return Je(n)?null:n[$e(0,n.length)]}isEmpty(){return Je(this.nodes)}isHealthy(){return mt(this.links,function(e){return j(this.nodes,e.source)&&j(this.nodes,e.target)},this)}getParents(e){if(!this.hasNode(e))throw Error(`The given node is not part of this graph.`);return e.getParents()}getChildren(e){if(!this.hasNode(e))throw Error(`The given node is not part of this graph.`);return e.getChildren()}addLink(e,t,n){if(D(e))throw Error(`The source of the link is not defined.`);if(D(t))if(T(e.type)&&e.type===`Link`){this.addExistingLink(e);return}else throw Error(`The target of the link is not defined.`);let r=this.getNode(e);D(r)&&(r=this.addNode(e));let i=this.getNode(t);D(i)&&(i=this.addNode(t));let a=new ff(r,i);return T(n)&&(a.owner=n),this.links.push(a),a}removeAllLinks(){for(;this.links.length>0;){let e=this.links[0];this.removeLink(e)}}addExistingLink(e){if(!this.hasLink(e)){if(this.links.push(e),this.hasNode(e.source.id)){let t=this.getNode(e.source.id);e.changeSource(t)}else this.addNode(e.source);if(this.hasNode(e.target.id)){let t=this.getNode(e.target.id);e.changeTarget(t)}else this.addNode(e.target)}}hasLink(e){if(O(e))return ot(this.links,function(t){return t.id===e});if(e.type===`Link`)return j(this.links,e);throw Error(`The given object is neither an identifier nor a Link.`)}getNode(e){let t=e.id||e;if(this._nodeMap.containsKey(t))return this._nodeMap.get(t)}hasNode(e){let t=e.id||e;return this._nodeMap.containsKey(t)}_addNode(e){this.nodes.push(e),this._nodeMap.add(e.id,e)}_removeNode(e){A(this.nodes,e),this._nodeMap.remove(e.id)}removeNode(e){let t=e;if(O(e)&&(t=this.getNode(e)),T(t)){let e=t.links;t.links=[];for(let t=0,n=e.length;t<n;t++){let n=e[t];this.removeLink(n)}this._removeNode(t)}else throw Error(`The identifier should be a Node or the Id (string) of a node.`)}areConnected(e,t){return ot(this.links,function(n){return n.source===e&&n.target===t||n.source===t&&n.target===e})}removeLink(e){A(this.links,e),A(e.source.outgoing,e),A(e.source.links,e),A(e.target.incoming,e),A(e.target.links,e)}addNode(e,t,n){let r=null;if(!T(e))throw Error(`No Node or identifier for a new Node is given.`);if(O(e)){if(this.hasNode(e))return this.getNode(e);r=new df(e)}else{if(this.hasNode(e))return this.getNode(e);r=e}return T(t)&&r.bounds(t),T(n)&&(r.owner=n),this._addNode(r),r}addNodeAndOutgoings(e){this.hasNode(e)||this._addNode(e);let t=e.outgoing;e.outgoing=[],k(t,function(e){this.addExistingLink(e)},this)}setItemIndices(){let e;for(e=0;e<this.nodes.length;++e)this.nodes[e].index=e;for(e=0;e<this.links.length;++e)this.links[e].index=e}clone(t){let n=new e,r=T(t)&&t===!0;r&&(n.nodeMap=new M,n.linkMap=new M);let i=new M;return k(this.nodes,function(e){let t=e.clone();i.set(e,t),n._addNode(t),r&&n.nodeMap.set(t,e)}),k(this.links,function(e){if(i.containsKey(e.source)&&i.containsKey(e.target)){let t=n.addLink(i.get(e.source),i.get(e.target));r&&n.linkMap.set(t,e)}}),n}linearize(t){return e.Utils.linearize(this,t)}depthFirstTraversal(e,t){if(D(e))throw Error(`You need to supply a starting node.`);if(D(t))throw Error(`You need to supply an action.`);if(!this.hasNode(e))throw Error(`The given start-node is not part of this graph`);let n=this.getNode(e);this._dftIterator(n,t,[])}_dftIterator(e,t,n){t(e),n.push(e);let r=e.getChildren();for(let e=0,i=r.length;e<i;e++){let i=r[e];j(n,i)||this._dftIterator(i,t,n)}}breadthFirstTraversal(e,t){if(D(e))throw Error(`You need to supply a starting node.`);if(D(t))throw Error(`You need to supply an action.`);if(!this.hasNode(e))throw Error(`The given start-node is not part of this graph`);let n=this.getNode(e),r=new af,i=[];for(r.enqueue(n);r.length>0;){let e=r.dequeue();t(e),i.push(e);let n=e.getChildren();for(let e=0,t=n.length;e<t;e++){let t=n[e];j(i,t)||r.contains(t)||r.enqueue(t)}}}_stronglyConnectedComponents(e,t,n,r,i,a,o){n.add(t,o),r.add(t,o),o++,a.push(t);let s=t.getChildren(),c;for(let l=0,u=s.length;l<u;l++)c=s[l],n.containsKey(c)?j(a,c)&&r.add(t,Math.min(r.get(t),n.get(c))):(this._stronglyConnectedComponents(e,c,n,r,i,a,o),r.add(t,Math.min(r.get(t),r.get(c))));if(r.get(t)===n.get(t)){let n=[];do c=a.pop(),n.push(c);while(c!==t);(!e||n.length>1)&&i.push(n)}}findCycles(e){D(e)&&(e=!0);let t=new M,n=new M,r=[],i=[];for(let a=0,o=this.nodes.length;a<o;a++){let o=this.nodes[a];t.containsKey(o)||this._stronglyConnectedComponents(e,o,t,n,r,i,0)}return r}isAcyclic(){return Je(this.findCycles())}isSubGraph(e){let t=e.linearize(),n=this.linearize();return mt(t,function(e){return j(n,e)})}makeAcyclic(){if(this.isEmpty()||this.nodes.length<=1||this.links.length<=1)return[];if(this.nodes.length===2){let e=[];if(this.links.length>1){let t=this.links[0].source;for(let n=0,r=this.links.length;n<r;n++){let r=this.links[n];if(r.source===t)continue;let i=r.reverse();e.push(i)}}return e}let e=this.clone(!0),t=this.nodes.length,n=new M,r=function(e){return e.outgoing.length===0?2-t:e.incoming.length===0?t-2:e.outgoing.length-e.incoming.length},i=function(e){let t=r(e);n.containsKey(t)||n.set(t,[]),n.get(t).push(e)};k(e.nodes,function(e){i(e)});let a=[],o=[];for(;e.nodes.length>0;){let s,c,l;if(n.containsKey(2-t)){let a=n.get(2-t);for(;a.length>0;){c=a.pop();for(let e=0;e<c.links.length;e++){let t=c.links[e];s=t.getComplement(c),l=r(s),A(n.get(l),s),s.removeLink(t),i(s)}e._removeNode(c),o.unshift(c)}}if(n.containsKey(t-2)){let o=n.get(t-2);for(;o.length>0;){s=o.pop();for(let e=0;e<s.links.length;e++){let t=s.links[e];c=t.getComplement(s),l=r(c),A(n.get(l),c),c.removeLink(t),i(c)}a.push(s),e._removeNode(s)}}if(e.nodes.length>0){for(let o=t-3;o>2-t;o--)if(n.containsKey(o)&&n.get(o).length>0){let t=n.get(o).pop();for(let e=0;e<t.links.length;e++){let a=t.links[e],o=a.getComplement(t);l=r(o),A(n.get(l),o),o.removeLink(a),i(o)}a.push(t),e._removeNode(t);break}}}a=a.concat(o);let s=new M;for(let t=0;t<this.nodes.length;t++)s.set(e.nodeMap.get(a[t]),t);let c=[];return k(this.links,function(e){s.get(e.source)>s.get(e.target)&&(e.reverse(),c.push(e))}),c}};J.Predefined={EightGraph(){return J.Utils.parse([`1->2`,`2->3`,`3->4`,`4->1`,`3->5`,`5->6`,`6->7`,`7->3`])},Mindmap(){return J.Utils.parse(`0->1.0->2.0->3.0->4.0->5.1->6.1->7.7->8.2->9.9->10.9->11.3->12.12->13.13->14.4->15.4->16.15->17.15->18.18->19.18->20.14->21.14->22.5->23.23->24.23->25.6->26`.split(`.`))},ThreeGraph(){return J.Utils.parse([`1->2`,`2->3`,`3->1`])},BinaryTree(e){return D(e)&&(e=5),J.Utils.createBalancedTree(e,2)},Linear(e){return D(e)&&(e=10),J.Utils.createBalancedTree(e,1)},Tree(e,t){return J.Utils.createBalancedTree(e,t)},Forest(e,t,n){return J.Utils.createBalancedForest(e,t,n)},Workflow(){return J.Utils.parse([`0->1`,`1->2`,`2->3`,`1->4`,`4->3`,`3->5`,`5->6`,`6->3`,`6->7`,`5->4`])},Grid(e,t){let n=new J;if(e<=0&&t<=0)return n;for(let r=0;r<e+1;r++){let e=null;for(let i=0;i<t+1;i++){let t=new df(r.toString()+`.`+i.toString());if(n.addNode(t),e&&n.addLink(e,t),r>0){let e=n.getNode((r-1).toString()+`.`+i.toString());n.addLink(e,t)}e=t}}return n}},J.Utils={parse(e){let t,n=new J,r=e.slice();for(let e=0,i=r.length;e<i;e++){let i=r[e];if(O(i)){if(i.indexOf(`->`)<0)throw Error(`The link should be specified as 'a->b'.`);let e=i.split(`->`);if(e.length!==2)throw Error(`The link should be specified as 'a->b'.`);t=new ff(e[0],e[1]),n.addLink(t)}if(Ue(i)){if(!t)throw Error(`Specification found before Link definition.`);q(t,i)}}return n},linearize(e,t){if(D(e))throw Error(`Expected an instance of a Graph object in slot one.`);D(t)&&(t=!1);let n=[];for(let r=0,i=e.links.length;r<i;r++){let i=e.links[r];n.push(i.source.id+`->`+i.target.id),t&&n.push({id:i.id})}return n},_addShape(e,t,n,r){return D(t)&&(t=new G(0,0)),D(n)&&(n=Ot()),r=q({width:20,height:20,id:n,radius:10,fill:`#778899`,data:`circle`,undoable:!1,x:t.x,y:t.y},r),e.addShape(r)},_addConnection(e,t,n,r){return e.connect(t,n,r)},createDiagramFromGraph(e,t,n,r){if(D(e))throw Error(`The diagram surface is undefined.`);if(D(t))throw Error(`No graph specification defined.`);D(n)&&(n=!0),D(r)&&(r=!1);let i=e.element.clientWidth||200,a=e.element.clientHeight||200,o=[],s,c;for(let n=0,l=t.nodes.length;n<l;n++){s=t.nodes[n];let l=s.position;D(l)&&(l=T(s.x)&&T(s.y)?new G(s.x,s.y):new G($e(10,i-20),$e(10,a-20)));let u={};s.id===`0`||r&&q(u,{width:Math.random()*150+20,height:Math.random()*80+50,data:`rectangle`,fill:{color:`#778899`}}),c=this._addShape(e,l,s.id,u);let d=c.bounds();T(d)&&(s.x=d.x,s.y=d.y,s.width=d.width,s.height=d.height),o[s.id]=c}for(let n=0;n<t.links.length;n++){let r=t.links[n],i=o[r.source.id];if(D(i))continue;let a=o[r.target.id];D(a)||this._addConnection(e,i,a,{id:r.id})}if(n){new pf(e).layoutGraph(t,{limitToView:!1});for(let e=0;e<t.nodes.length;e++)s=t.nodes[e],c=o[s.id],c.bounds(new K(s.x,s.y,s.width,s.height))}},createBalancedTree(e,t){D(e)&&(e=3),D(t)&&(t=3);let n=new J,r,i=-1,a=[];if(e<=0||t<=0)return n;let o=new df((++i).toString());n.addNode(o),n.root(o),a.push(o);for(let o=0;o<e;o++){r=[];for(let e=0;e<a.length;e++){let o=a[e];for(let e=0;e<t;e++){let e=new df((++i).toString());n.addLink(o,e),r.push(e)}}a=r}return n},createBalancedForest(e,t,n){D(e)&&(e=3),D(t)&&(t=3),D(n)&&(n=5);let r=new J,i=-1,a=[],o;if(e<=0||t<=0||n<=0)return r;for(let s=0;s<n;s++){let n=new df((++i).toString());r.addNode(n),a=[n];for(let n=0;n<e;n++){o=[];for(let e=0;e<a.length;e++){let n=a[e];for(let e=0;e<t;e++){let e=new df((++i).toString());r.addLink(n,e),o.push(e)}}a=o}}return r},createRandomConnectedGraph(e,t,n){D(e)&&(e=40),D(t)&&(t=4),D(n)&&(n=!1);let r=new J,i=-1;if(e<=0)return r;let a=new df((++i).toString());if(r.addNode(a),e===1)return r;if(e>1){for(let n=1;n<e;n++){let e=r.takeRandomNode([],t);if(!e)break;let i=r.addNode(n.toString());r.addLink(e,i)}if(!n&&e>1){let n=$e(1,e);for(let e=0;e<n;e++){let e=r.takeRandomNode([],t),n=r.takeRandomNode([],t);e&&n&&!r.areConnected(e,n)&&r.addLink(e,n)}}return r}},randomDiagram(e,t,n,r,i){let a=J.Utils.createRandomConnectedGraph(t,n,r);J.Utils.createDiagramFromGraph(e,a,!1,i)}};var pf=class extends lf{constructor(e){if(super(),D(e))throw Error(`Diagram is not specified.`);this.diagram=e}layout(e){this.transferOptions(e);let t=new mf(this.diagram).convert(e);if(t.isEmpty())return;let n=t.getConnectedComponents();if(Je(n))return;for(let t=0;t<n.length;t++){let r=n[t];this.layoutGraph(r,e)}let r=this.gridLayoutComponents(n);return new uf(this.diagram,r)}layoutGraph(e,t){T(t)&&this.transferOptions(t),this.graph=e;let n=this.options.nodeDistance*9;this.temperature=n;let r=this._expectedBounds();this.width=r.width,this.height=r.height;for(let e=0;e<this.options.iterations;e++)this.refineStage=e>=this.options.iterations*5/6,this.tick(),this.temperature=this.refineStage?n/30:n*(1-e/(2*this.options.iterations))}tick(){let e;for(e=0;e<this.graph.nodes.length;e++)this._repulsion(this.graph.nodes[e]);for(e=0;e<this.graph.links.length;e++)this._attraction(this.graph.links[e]);for(e=0;e<this.graph.nodes.length;e++){let t=this.graph.nodes[e],n=Math.sqrt(t.dx*t.dx+t.dy*t.dy);if(n===0)return;t.x+=Math.min(n,this.temperature)*t.dx/n,t.y+=Math.min(n,this.temperature)*t.dy/n,this.options.limitToView&&(t.x=Math.min(this.width,Math.max(t.width/2,t.x)),t.y=Math.min(this.height,Math.max(t.height/2,t.y)))}}_shake(e){let t=Math.random()*this.options.nodeDistance/4,n=Math.random()*2*Math.PI;e.x+=t*Math.cos(n),e.y-=t*Math.sin(n)}_InverseSquareForce(e,t,n){let r;if(!this.refineStage)r=e**2/this.options.nodeDistance**2;else{let e=t.x-n.x,i=t.y-n.y,a=t.width/2,o=t.height/2,s=n.width/2,c=n.height/2;r=e**2/(a+s+this.options.nodeDistance)**2+i**2/(o+c+this.options.nodeDistance)**2}return r*4/3}_SquareForce(e,t,n){return 1/this._InverseSquareForce(e,t,n)}_repulsion(e){e.dx=0,e.dy=0,k(this.graph.nodes,function(t){if(t===e)return;for(;e.x===t.x&&e.y===t.y;)this._shake(t);let n=e.x-t.x,r=e.y-t.y,i=Math.sqrt(n*n+r*r),a=this._SquareForce(i,e,t)*2;e.dx+=n/i*a,e.dy+=r/i*a},this)}_attraction(e){let t=e.target,n=e.source;if(n===t)return;for(;n.x===t.x&&n.y===t.y;)this._shake(t);let r=n.x-t.x,i=n.y-t.y,a=Math.sqrt(r*r+i*i),o=this._InverseSquareForce(a,n,t)*5,s=r/a*o,c=i/a*o;t.dx+=s,t.dy+=c,n.dx-=s,n.dy-=c}_expectedBounds(){let e=this.graph.nodes.length,t=1.5;if(e===0)return;let n=ut(this.graph.nodes,function(e,t){let n=t.width*t.height;return n>0?(e+=Math.sqrt(n),e):0},0,this)/e*Math.ceil(Math.sqrt(e)),r=n*Math.sqrt(t),i=n/Math.sqrt(t);return{width:r*4,height:i*4}}},mf=class{constructor(e){this.nodeMap=new M,this.shapeMap=new M,this.nodes=[],this.edges=[],this.edgeMap=new M,this.finalNodes=[],this.finalLinks=[],this.ignoredConnections=[],this.ignoredShapes=[],this.hyperMap=new M,this.hyperTree=new 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o=this._getLeftWing(),s=this._getRightWing(),c=this.placeLeftToRight(o),l=this.placeRightToLeft(s),u=new M;k(this.graph.nodes,function(e){u.set(e,(c.get(e)+l.get(e))/2)});let d=new M,f=new M;for(t=0;t<this.layers.length;++t){r=this.layers[t];let e=-1;for(i=0;i<r.length;++i)n=r[i],d.set(n,0),f.set(n,!1),n.isVirtual&&(e===-1||e===i-1?e=i:(d.set(r[e],0),u.get(n)-u.get(r[e])===this.getMinDist(r[e],n)?f.set(r[e],!0):f.set(r[e],!1),e=i))}k([1,-1],function(t){let n=t===1?0:this.layers.length-1;for(let r=n;r>=0&&r<this.layers.length;r+=t){let n=this.layers[r],i=this._firstVirtualNode(n),a=null,o=null;if(i!==-1)for(a=n[i],o=[],e=0;e<i;e++)o.push(n[e]);else a=null,o=n;if(o.length>0){for(this._sequencer(u,null,a,t,o),e=0;e<o.length-1;++e)this.setMinDist(o[e],o[e+1],u.get(o[e+1])-u.get(o[e]));a&&this.setMinDist(o[o.length-1],a,u.get(a)-u.get(o[o.length-1]))}for(;a;){let 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t=_(r,this);for(i=0;i<r.length;++i)n=r[i],this._isVerticalLayout()?(n.x=u.get(n),n.y=g+t/2):(n.x=g+t/2,n.y=u.get(n));g+=this.options.layerSeparation+t}}adjustDirections(e,t,n,r){if(e+t<0||e+t>=this.layers.length)return;let i=null,a=null,o=this.layers[e+t];for(let s=0;s<o.length;++s){let c=o[s];if(c.isVirtual){let s=this.getNeighborOnLayer(c,e);if(s.isVirtual){if(i){let l=r.get(a),u=this.layers[e],d=a.layerIndex,f=s.layerIndex;for(let e=d+1;e<f;++e)u[e].isVirtual&&(l&&=r.get(u[e]));if(l){n.set(i,t);let e=i.layerIndex,r=c.layerIndex;for(let i=e+1;i<r;++i)o[i].isVirtual&&n.set(o[i],t)}}i=c,a=s}}}}getNeighborOnLayer(e,t){let n=this.upNodes.get(e)[0];return n.layer===t||(n=this.downNodes.get(e)[0],n.layer===t)?n:null}_sequencer(e,t,n,r,i){if(i.length===1&&this._sequenceSingle(e,t,n,r,i[0]),i.length>1){let a=i.length,o=this.intDiv(a,2);this._sequencer(e,t,n,r,i.slice(0,o)),this._sequencer(e,t,n,r,i.slice(o)),this.combineSequences(e,t,n,r,i)}}_sequenceSingle(e,t,n,r,i){let a=r===-1?this.downNodes.get(i):this.upNodes.get(i),o=a.length;o!==0&&(o%2==1?e.set(i,e.get(a[this.intDiv(o,2)])):e.set(i,(e.get(a[this.intDiv(o,2)-1])+e.get(a[this.intDiv(o,2)]))/2),t&&e.set(i,Math.max(e.get(i),e.get(t)+this.getMinDist(t,i))),n&&e.set(i,Math.min(e.get(i),e.get(n)-this.getMinDist(i,n))))}combineSequences(e,t,n,r,i){let a=i.length,o=this.intDiv(a,2),s=[],c,l,u,d,f,p;for(c=0;c<o;++c){for(l=0,d=r===-1?this.downNodes.get(i[c]):this.upNodes.get(i[c]),u=0;u<d.length;++u)f=d[u],e.get(f)>=e.get(i[c])?l++:(l--,s.push({k:e.get(f)+this.getMinDist(i[c],i[o-1]),v:2}));s.push({k:e.get(i[c])+this.getMinDist(i[c],i[o-1]),v:l})}t&&s.push({k:e.get(t)+this.getMinDist(t,i[o-1]),v:Number.MAX_VALUE}),s.sort(this._positionDescendingComparer.bind(this));let m=[];for(c=o;c<a;++c){for(l=0,d=r===-1?this.downNodes.get(i[c]):this.upNodes.get(i[c]),u=0;u<d.length;++u)f=d[u],e.get(f)<=e.get(i[c])?l++:(l--,m.push({k:e.get(f)-this.getMinDist(i[c],i[o]),v:2}));m.push({k:e.get(i[c])-this.getMinDist(i[c],i[o]),v:l})}n&&m.push({k:e.get(n)-this.getMinDist(n,i[o]),v:Number.MAX_VALUE}),m.sort(this._positionAscendingComparer.bind(this));let h=0,g=0,_=this.getMinDist(i[o-1],i[o]);for(;e.get(i[o])-e.get(i[o-1])<_;)if(h<g)if(s.length===0){e.set(i[o-1],e.get(i[o])-_);break}else p=s.shift(),h+=p.v,e.set(i[o-1],p.k),e.set(i[o-1],Math.max(e.get(i[o-1]),e.get(i[o])-_));else if(m.length===0){e.set(i[o],e.get(i[o-1])+_);break}else p=m.shift(),g+=p.v,e.set(i[o],p.k),e.set(i[o],Math.min(e.get(i[o]),e.get(i[o-1])+_));for(c=o-2;c>=0;c--)e.set(i[c],Math.min(e.get(i[c]),e.get(i[o-1])-this.getMinDist(i[c],i[o-1])));for(c=o+1;c<a;c++)e.set(i[c],Math.max(e.get(i[c]),e.get(i[o])+this.getMinDist(i[c],i[o])))}placeLeft(e,t,n){let r=-1/0;k(this._getComposite(e),function(e){let i=this.leftSibling(e);i&&this.nodeLeftClass.get(i)===this.nodeLeftClass.get(e)&&(t.containsKey(i)||this.placeLeft(i,t,n),r=Math.max(r,t.get(i)+this.getMinDist(i,e)))},this),r===-1/0&&(r=0),k(this._getComposite(e),function(e){t.set(e,r)})}placeRight(e,t,n){let r=1/0;k(this._getComposite(e),function(e){let i=this.rightSibling(e);i&&this.nodeRightClass.get(i)===this.nodeRightClass.get(e)&&(t.containsKey(i)||this.placeRight(i,t,n),r=Math.min(r,t.get(i)-this.getMinDist(e,i)))},this),r===1/0&&(r=0),k(this._getComposite(e),function(e){t.set(e,r)})}leftSibling(e){let t=this.layers[e.layer],n=e.layerIndex;return n===0?null:t[n-1]}rightSibling(e){let t=this.layers[e.layer],n=e.layerIndex;return n===t.length-1?null:t[n+1]}_getComposite(e){return e.isVirtual?this._nodesInLink(e):[e]}arrangeNodes(){let e,t,n,r,i;for(t=0;t<this.layers.length;t++)for(r=this.layers[t],n=0;n<r.length;n++)i=r[n],i.upstreamPriority=i.upstreamLinkCount,i.downstreamPriority=i.downstreamLinkCount;for(let t=0;t<2;t++){for(e=this.layers.length-1;e>=1;e--)this.layoutLayer(!1,e);for(e=0;e<this.layers.length-1;e++)this.layoutLayer(!0,e)}let a=Number.MAX_VALUE;for(t=0;t<this.layers.length;t++)for(r=this.layers[t],n=0;n<r.length;n++)i=r[n],a=Math.min(a,i.gridPosition);if(a<0)for(t=0;t<this.layers.length;t++)for(r=this.layers[t],n=0;n<r.length;n++)i=r[n],i.gridPosition-=a}layoutLayer(e,t){let n,r;r=e?this.layers[n=t+1]:this.layers[n=t-1];let i=[];for(let e=0;e<r.length;e++)i.push(r[e]);i.sort(function(e,t){let n=(e.upstreamPriority+e.downstreamPriority)/2,r=(t.upstreamPriority+t.downstreamPriority)/2;return Math.abs(n-r)<1e-4?0:n<r?1:-1}),k(i,function(e){let t=e.gridPosition,n=this.calcBaryCenter(e),i=(e.upstreamPriority+e.downstreamPriority)/2;if(!(Math.abs(t-n)<1e-4)&&!(Math.abs(t-n)<.2501))if(t<n)for(;t<n&&this.moveRight(e,r,i);)t=e.gridPosition;else for(;t>n&&this.moveLeft(e,r,i);)t=e.gridPosition},this),n>0&&this.calcDownData(n-1),n<this.layers.length-1&&this.calcUpData(n+1)}moveRight(e,t,n){let r=st(t,e);if(r===t.length-1)return e.gridPosition+=.5,!0;let i=t[r+1],a=(i.upstreamPriority+i.downstreamPriority)/2;return i.gridPosition>e.gridPosition+1?(e.gridPosition+=.5,!0):a>n||Math.abs(a-n)<1e-4?!1:this.moveRight(i,t,n)?(e.gridPosition+=.5,!0):!1}moveLeft(e,t,n){let r=st(t,e);if(r===0)return e.gridPosition-=.5,!0;let i=t[r-1],a=(i.upstreamPriority+i.downstreamPriority)/2;return i.gridPosition<e.gridPosition-1?(e.gridPosition-=.5,!0):a>n||Math.abs(a-n)<1e-4?!1:this.moveLeft(i,t,n)?(e.gridPosition-=.5,!0):!1}mapVirtualNode(e,t){this.nodeToLinkMap.set(e,t),this.linkToNodeMap.containsKey(t)||this.linkToNodeMap.set(t,[]),this.linkToNodeMap.get(t).push(e)}_nodesInLink(e){return this.linkToNodeMap.get(this.nodeToLinkMap.get(e))}_dummify(){this.linkToNodeMap=new M,this.nodeToLinkMap=new M;let e=this.graph.links.slice(0),t=this.layers,n,r,i,a,o,s,c,l,u=function(e,n,r){t[e].linksTo[n]=t[e].linksTo[n]||[],t[e].linksTo[n].push(r)};for(l=0;l<e.length;l++){let d=e[l],f=d.source,p=d.target,m=f.layer,h=p.layer,g=f.gridPosition,_=p.gridPosition,v=(_-g)/Math.abs(h-m),y=f;if(m-h>1){for(c=m-1;c>h;c--){for(i=new df,i.x=f.x,i.y=f.y,i.width=f.width/100,i.height=f.height/100,n=t[c],r=(c-h)*v+g,r>n.length&&(r=n.length),g>=t[m].length-1&&_>=t[h].length-1?r=n.length:g===0&&_===0&&(r=0),i.layer=c,i.uBaryCenter=0,i.dBaryCenter=0,i.upstreamLinkCount=0,i.downstreamLinkCount=0,i.gridPosition=r,i.isVirtual=!0,pt(n,i,r),o=r+1;o<n.length;o++)a=n[o],a.gridPosition+=1;s=new ff(y,i),s.depthOfDumminess=0,u(c-1,c,s),y=i,this.graph._addNode(i),this.graph.addLink(s),i.index=this.graph.nodes.length-1,this.mapVirtualNode(i,d)}u(h-1,h,s),d.changeSource(y),d.depthOfDumminess=m-h-1}else if(m-h<-1){for(c=m+1;c<h;c++){for(i=new df,i.x=f.x,i.y=f.y,i.width=f.width/100,i.height=f.height/100,n=t[c],r=(c-m)*v+g,r>n.length&&(r=n.length),g>=t[m].length-1&&_>=t[h].length-1?r=n.length:g===0&&_===0&&(r=0),i.layer=c,i.uBaryCenter=0,i.dBaryCenter=0,i.upstreamLinkCount=0,i.downstreamLinkCount=0,i.gridPosition=r,i.isVirtual=!0,r=Math.floor(r),pt(n,i,r),o=r+1;o<n.length;o++)a=n[o],a.gridPosition+=1;s=new ff(y,i),s.depthOfDumminess=0,u(c-1,c,s),y=i,this.graph._addNode(i),this.graph.addLink(s),i.index=this.graph.nodes.length-1,this.mapVirtualNode(i,d)}u(h-1,h,d),d.changeSource(y),d.depthOfDumminess=h-m-1}else u(m,h,d)}}_dedummify(){let e=!0;for(;e;){e=!1;for(let t=0;t<this.graph.links.length;t++){let n=this.graph.links[t];if(!n.depthOfDumminess)continue;let r=[];r.unshift({x:n.target.x,y:n.target.y}),r.unshift({x:n.source.x,y:n.source.y});let i=n,a=n.depthOfDumminess;for(let e=0;e<a;e++){let e=i.source.incoming[0];r.unshift({x:e.source.x,y:e.source.y}),i=e}n.changeSource(i.source),n.depthOfDumminess=0,r.length>2?(r.splice(0,1),r.splice(r.length-1),n.points=r):n.points=[],e=!0;break}}}_optimizeCrossings(){let e=-1,t,n=0;for(;e!==0&&!(n++>3);){for(e=0,t=this.layers.length-1;t>=1;t--)e+=this.optimizeLayerCrossings(!1,t);for(t=0;t<this.layers.length-1;t++)e+=this.optimizeLayerCrossings(!0,t)}}calcUpData(e){if(e===0)return;let t=this.layers[e],n,r,i,a=new Sf,o=this.layers[e-1];for(n=0;n<o.length;n++)a.add(o[n]);for(n=0;n<t.length;n++){let e=t[n],o=0,s=0;for(r=0;r<e.incoming.length;r++)i=e.incoming[r],a.contains(i.source)&&(s++,o+=i.source.gridPosition);for(r=0;r<e.outgoing.length;r++)i=e.outgoing[r],a.contains(i.target)&&(s++,o+=i.target.gridPosition);s>0?(e.uBaryCenter=o/s,e.upstreamLinkCount=s):(e.uBaryCenter=n,e.upstreamLinkCount=0)}}calcDownData(e){if(e===this.layers.length-1)return;let t=this.layers[e],n,r,i,a=new Sf,o=this.layers[e+1];for(n=0;n<o.length;n++)a.add(o[n]);for(n=0;n<t.length;n++){let e=t[n],o=0,s=0;for(r=0;r<e.incoming.length;r++)i=e.incoming[r],a.contains(i.source)&&(s++,o+=i.source.gridPosition);for(r=0;r<e.outgoing.length;r++)i=e.outgoing[r],a.contains(i.target)&&(s++,o+=i.target.gridPosition);s>0?(e.dBaryCenter=o/s,e.downstreamLinkCount=s):(e.dBaryCenter=n,e.downstreamLinkCount=0)}}optimizeLayerCrossings(e,t){let n,r;r=e?this.layers[n=t+1]:this.layers[n=t-1];let i=r.slice(0);e?this.calcUpData(n):this.calcDownData(n),r.sort((e,t)=>{let n=this.calcBaryCenter(e),r=this.calcBaryCenter(t);if(Math.abs(n-r)<1e-4)return e.degree()===t.degree()?this.compareByIndex(e,t):e.degree()<t.degree()?1:-1;let i=(r-n)*1e3;return i>0?-1:i<0?1:this.compareByIndex(e,t)});let a,o=0;for(a=0;a<r.length;a++)r[a]!==i[a]&&o++;if(o>0){let e=0;for(a=0;a<r.length;a++){let t=r[a];t.gridPosition=e++}}return o}_swapPairs(){let e=this.options.layeredIterations,t=0;for(;!(t++>e);){let e=t%4<=1,n=t%4==1;for(let t=e?0:this.layers.length-1;e?t<=this.layers.length-1:t>=0;t+=e?1:-1){let r=this.layers[t],i=!1,a=!0,o=0;for(let s=0;s<r.length-1;s++){let c=0,l=0,u=0;if(a?(t!==0&&(c=this.countLinksCrossingBetweenTwoLayers(t-1,t)),t!==this.layers.length-1&&(l=this.countLinksCrossingBetweenTwoLayers(t,t+1)),e?c*=2:l*=2,u=c+l):u=o,u===0)continue;let d=r[s],f=r[s+1],p=d.gridPosition,m=f.gridPosition;r[s]=f,r[s+1]=d,d.gridPosition=m,f.gridPosition=p,c=0,t!==0&&(c=this.countLinksCrossingBetweenTwoLayers(t-1,t)),l=0,t!==this.layers.length-1&&(l=this.countLinksCrossingBetweenTwoLayers(t,t+1)),e?c*=2:l*=2;let h=c+l,g=!1;g=n?h>=u:h>u,g?(d=r[s],f=r[s+1],p=d.gridPosition,m=f.gridPosition,r[s]=f,r[s+1]=d,d.gridPosition=m,f.gridPosition=p,o=u,a=!1):(i=!0,a=!0)}i&&(t!==this.layers.length-1&&this.calcUpData(t+1),t!==0&&this.calcDownData(t-1))}}}countLinksCrossingBetweenTwoLayers(e,t){let n=this.layers[e].linksTo[t],r,i,a,o,s,c,l,u,d=0,f=n.length;for(l=0;l<f;l++)for(r=n[l],u=l+1;u<f;u++){i=n[u],r.target.layer===t?(a=r.source,o=r.target):(a=r.target,o=r.source),i.target.layer===t?(s=i.source,c=i.target):(s=i.target,c=i.source);let e=a.gridPosition,l=o.gridPosition,f=s.gridPosition,p=c.gridPosition;(e-f)*(l-p)<0&&d++}return d}calcBaryCenter(e){let t=e.upstreamLinkCount,n=e.downstreamLinkCount,r=e.uBaryCenter,i=e.dBaryCenter;return t>0&&n>0?(r+i)/2:t>0?r:n>0?i:0}_gridPositionComparer(e,t){return e.gridPosition<t.gridPosition?-1:+(e.gridPosition>t.gridPosition)}_positionAscendingComparer(e,t){return e.k<t.k?-1:+(e.k>t.k)}_positionDescendingComparer(e,t){return e.k<t.k?1:e.k>t.k?-1:0}_firstVirtualNode(e){for(let t=0;t<e.length;t++)if(e[t].isVirtual)return t;return-1}compareByIndex(e,t){let n=e.index,r=t.index;return n<r?1:n>r?-1:0}intDiv(e,t){return(e-e%t)/t}nextVirtualNode(e,t){let n=t.layerIndex;for(let t=n+1;t<e.length;++t)if(e[t].isVirtual)return e[t];return null}},xm=class{constructor(e){this.center=null,this.options=e}layout(e,t){if(this.graph=e,!(!this.graph.nodes||this.graph.nodes.length===0)){if(!j(this.graph.nodes,t))throw Error(`The given root is not in the graph.`);this.center=t,this.graph.cacheRelationships(),this.layoutSwitch()}}layoutLeft(e){this.setChildrenDirection(this.center,`Left`,!1),this.setChildrenLayout(this.center,`Default`,!1);let t=0,n=0,r,i,a;for(i=0;i<e.length;i++){a=e[i],a.TreeDirection=`Left`;let r=this.measure(a,Cf.Empty.bind(this));n=Math.max(n,r.width),t+=r.height+this.options.verticalSeparation}t-=this.options.verticalSeparation;let o=this.center.x-this.options.horizontalSeparation;for(r=this.center.y+(this.center.height-t)/2,i=0;i<e.length;i++){a=e[i];let t=new G(o-a.Size.width,r);this.arrange(a,t),r+=a.Size.height+this.options.verticalSeparation}}layoutRight(e){this.setChildrenDirection(this.center,`Right`,!1),this.setChildrenLayout(this.center,`Default`,!1);let t=0,n=0,r,i,a;for(i=0;i<e.length;i++){a=e[i],a.TreeDirection=`Right`;let r=this.measure(a,Cf.Empty.bind(this));n=Math.max(n,r.width),t+=r.height+this.options.verticalSeparation}t-=this.options.verticalSeparation;let o=this.center.x+this.options.horizontalSeparation+this.center.width;for(r=this.center.y+(this.center.height-t)/2,i=0;i<e.length;i++){a=e[i];let t=new G(o,r);this.arrange(a,t),r+=a.Size.height+this.options.verticalSeparation}}layoutUp(e){this.setChildrenDirection(this.center,`Up`,!1),this.setChildrenLayout(this.center,`Default`,!1);let t=0,n,r,i;for(i=0;i<e.length;i++){r=e[i],r.TreeDirection=`Up`;let n=this.measure(r,Cf.Empty.bind(this));t+=n.width+this.options.horizontalSeparation}t-=this.options.horizontalSeparation;let a=this.center.x+this.center.width/2-t/2;for(i=0;i<e.length;i++){r=e[i],n=this.center.y-this.options.verticalSeparation-r.Size.height;let t=new G(a,n);this.arrange(r,t),a+=r.Size.width+this.options.horizontalSeparation}}layoutDown(e){let t,n;this.setChildrenDirection(this.center,`Down`,!1),this.setChildrenLayout(this.center,`Default`,!1);let r=0;for(n=0;n<e.length;n++){t=e[n],t.treeDirection=`Down`;let i=this.measure(t,Cf.Empty.bind(this));r+=i.width+this.options.horizontalSeparation}r-=this.options.horizontalSeparation;let i=this.center.x+this.center.width/2-r/2,a=this.center.y+this.options.verticalSeparation+this.center.height;for(n=0;n<e.length;n++){t=e[n];let r=new G(i,a);this.arrange(t,r),i+=t.Size.width+this.options.horizontalSeparation}}layoutRadialTree(){this.setChildrenDirection(this.center,`Radial`,!1),this.setChildrenLayout(this.center,`Default`,!1),this.previousRoot=null;let e=this.options.startRadialAngle*ee,t=this.options.endRadialAngle*ee;if(t<=e)throw Error(`Final angle should not be less than the start angle.`);this.maxDepth=0,this.origin=new G(this.center.x,this.center.y),this.calculateAngularWidth(this.center,0),this.maxDepth>0&&this.radialLayout(this.center,this.options.radialFirstLevelSeparation,e,t),this.center.Angle=t-e}tipOverTree(e,t){D(t)&&(t=0),this.setChildrenDirection(this.center,`Down`,!1),this.setChildrenLayout(this.center,`Default`,!1),this.setChildrenLayout(this.center,`Underneath`,!1,t);let n=0,r,i;for(i=0;i<e.length;i++){r=e[i],r.TreeDirection=`Down`;let t=this.measure(r,Cf.Empty.bind(this));n+=t.width+this.options.horizontalSeparation}n-=this.options.horizontalSeparation,n-=e[e.length-1].width,n+=e[e.length-1].associatedShape.bounds().width;let a=this.center.x+this.center.width/2-n/2,o=this.center.y+this.options.verticalSeparation+this.center.height;for(i=0;i<e.length;i++){r=e[i];let t=new G(a,o);this.arrange(r,t),a+=r.Size.width+this.options.horizontalSeparation}}calculateAngularWidth(e,t){t>this.maxDepth&&(this.maxDepth=t);let n=t===0?0:Math.sqrt(2e6)/t,r=0;if(e.children.length>0){for(let n=0,i=e.children.length;n<i;n++){let i=e.children[n];r+=this.calculateAngularWidth(i,t+1)}r=Math.max(n,r)}else r=n;return e.sectorAngle=r,r}sortChildren(e){let t=0,n;if(e.parents.length>1)throw Error(`Node is not part of a tree.`);let r=e.parents[0];if(r){let n=new G(r.x,r.y),i=new G(e.x,e.y);t=this.normalizeAngle(Math.atan2(n.y-i.y,n.x-i.x))}let i=e.children.length;if(i===0)return null;let a=[],o=[];for(n=0;n<i;++n){let r=e.children[n],i=new G(r.x,r.y);o[n]=n,a[n]=this.normalizeAngle(-t+Math.atan2(i.y-i.y,i.x-i.x))}gt(a,o);let s=[],c=e.children;for(n=0;n<i;++n)s.push(c[o[n]]);return s}normalizeAngle(e){for(;e>Math.PI*2;)e-=2*Math.PI;for(;e<0;)e+=Math.PI*2;return e}radialLayout(e,t,n,r){let i=r-n,a=i/2,o=e.sectorAngle,s=0,c=this.sortChildren(e);for(let e=0,r=c.length;e<r;e++){let r=c[e],l=r,u=l.sectorAngle/o;r.children.length>0&&this.radialLayout(r,t+this.options.radialSeparation,n+s*i,n+(s+u)*i),this.setPolarLocation(r,t,n+s*i+u*a),l.angle=u*i,s+=u}}setPolarLocation(e,t,n){e.x=this.origin.x+t*Math.cos(n),e.y=this.origin.y+t*Math.sin(n),e.BoundingRectangle=new K(e.x,e.y,e.width,e.height)}setChildrenDirection(e,t,n){let r=e.treeDirection;this.graph.depthFirstTraversal(e,e=>{e.treeDirection=t}),n||(e.treeDirection=r)}setChildrenLayout(e,t,n,r){D(r)&&(r=0);let i=e.childrenLayout;r>0?(this.graph.assignLevels(e),this.graph.depthFirstTraversal(e,e=>{e.level>=r+1&&(e.childrenLayout=t)})):(this.graph.depthFirstTraversal(e,e=>{e.childrenLayout=t}),n||(e.childrenLayout=i))}measure(e,t){let n=0,r=0,i,a=new Cf(0,0);if(!e)throw Error(`Node is not defined.`);let o=e.associatedShape.bounds(),s=o.width,c=o.height;if(e.parents.length!==1)throw Error(`Node not in a spanning tree.`);let l=e.parents[0];if(e.treeDirection===`Undefined`&&(e.treeDirection=l.treeDirection),Je(e.children))a=new Cf(Math.abs(s)<1e-6?50:s,Math.abs(c)<1e-6?25:c);else if(e.children.length===1){switch(e.treeDirection){case`Radial`:i=this.measure(e.children[0],t),n=s+this.options.radialSeparation*Math.cos(e.AngleToParent)+i.width,r=c+Math.abs(this.options.radialSeparation*Math.sin(e.AngleToParent))+i.height;break;case`Left`:case`Right`:switch(e.childrenLayout){case`TopAlignedWithParent`:break;case`BottomAlignedWithParent`:break;case`Underneath`:i=this.measure(e.children[0],t),n=s+i.width+this.options.underneathHorizontalOffset,r=c+this.options.underneathVerticalTopOffset+i.height;break;case`Default`:i=this.measure(e.children[0],t),n=s+this.options.horizontalSeparation+i.width,r=Math.max(c,i.height);break;default:throw Error(`Unhandled TreeDirection in the Radial layout measuring.`)}break;case`Up`:case`Down`:switch(e.childrenLayout){case`TopAlignedWithParent`:case`BottomAlignedWithParent`:break;case`Underneath`:i=this.measure(e.children[0],t),n=Math.max(s,i.width+this.options.underneathHorizontalOffset),r=c+this.options.underneathVerticalTopOffset+i.height;break;case`Default`:i=this.measure(e.children[0],t),r=c+this.options.verticalSeparation+i.height,n=Math.max(s,i.width);break;default:throw Error(`Unhandled TreeDirection in the Down layout measuring.`)}break;default:throw Error(`Unhandled TreeDirection in the layout measuring.`)}a=new Cf(n,r)}else{let o,l;switch(e.treeDirection){case`Left`:case`Right`:switch(e.childrenLayout){case`TopAlignedWithParent`:case`BottomAlignedWithParent`:break;case`Underneath`:for(n=s,r=c+this.options.underneathVerticalTopOffset,o=0;o<e.children.length;o++)l=e.children[o],i=this.measure(l,t),n=Math.max(n,i.width+this.options.underneathHorizontalOffset),r+=i.height+this.options.underneathVerticalSeparation;r-=this.options.underneathVerticalSeparation;break;case`Default`:for(n=s,r=0,o=0;o<e.children.length;o++)l=e.children[o],i=this.measure(l,t),n=Math.max(n,s+this.options.horizontalSeparation+i.width),r+=i.height+this.options.verticalSeparation;r-=this.options.verticalSeparation;break;default:throw Error(`Unhandled TreeDirection in the Right layout measuring.`)}break;case`Up`:case`Down`:switch(e.childrenLayout){case`TopAlignedWithParent`:case`BottomAlignedWithParent`:break;case`Underneath`:for(n=s,r=c+this.options.underneathVerticalTopOffset,o=0;o<e.children.length;o++)l=e.children[o],i=this.measure(l,t),n=Math.max(n,i.width+this.options.underneathHorizontalOffset),r+=i.height+this.options.underneathVerticalSeparation;r-=this.options.underneathVerticalSeparation;break;case`Default`:for(n=0,r=0,o=0;o<e.children.length;o++)l=e.children[o],i=this.measure(l,t),n+=i.width+this.options.horizontalSeparation,r=Math.max(r,i.height+this.options.verticalSeparation+c);n-=this.options.horizontalSeparation;break;default:throw Error(`Unhandled TreeDirection in the Down layout measuring.`)}break;default:throw Error(`Unhandled TreeDirection in the layout measuring.`)}a=new Cf(n,r)}return e.SectorAngle=Math.sqrt(n*n/4+r*r/4),e.Size=a,a}arrange(e,t){let n=e.associatedShape.bounds(),r,i,a,o,s,c=n.width,l=n.height;if(Je(e.children))e.x=t.x,e.y=t.y,e.BoundingRectangle=new K(t.x,t.y,c,l);else{let n,u,d;switch(e.treeDirection){case`Left`:switch(e.childrenLayout){case`TopAlignedWithParent`:case`BottomAlignedWithParent`:break;case`Underneath`:for(d=t,e.x=d.x,e.y=d.y,e.BoundingRectangle=new K(e.x,e.y,e.width,e.height),u=t.y+l+this.options.underneathVerticalTopOffset,r=0;r<o.children.length;r++)o=o.children[r],n=d.x-o.associatedShape.width-this.options.underneathHorizontalOffset,i=new G(n,u),this.arrange(o,i),u+=o.Size.height+this.options.underneathVerticalSeparation;break;case`Default`:for(d=new G(t.x+e.Size.width-c,t.y+(e.Size.height-l)/2),e.x=d.x,e.y=d.y,e.BoundingRectangle=new K(e.x,e.y,e.width,e.height),n=d.x-this.options.horizontalSeparation,u=t.y,r=0;r<e.children.length;r++)o=e.children[r],i=new G(n-o.Size.width,u),this.arrange(o,i),u+=o.Size.height+this.options.verticalSeparation;break;default:throw Error(`Unsupported TreeDirection`)}break;case`Right`:switch(e.childrenLayout){case`TopAlignedWithParent`:case`BottomAlignedWithParent`:break;case`Underneath`:for(d=t,e.x=d.x,e.y=d.y,e.BoundingRectangle=new K(e.x,e.y,e.width,e.height),n=t.x+c+this.options.underneathHorizontalOffset,u=t.y+l+this.options.underneathVerticalTopOffset,r=0;r<e.children.length;r++)o=e.children[r],i=new G(n,u),this.arrange(o,i),u+=o.Size.height+this.options.underneathVerticalSeparation;break;case`Default`:for(d=new G(t.x,t.y+(e.Size.height-l)/2),e.x=d.x,e.y=d.y,e.BoundingRectangle=new K(e.x,e.y,e.width,e.height),n=t.x+c+this.options.horizontalSeparation,u=t.y,r=0;r<e.children.length;r++)o=e.children[r],i=new G(n,u),this.arrange(o,i),u+=o.Size.height+this.options.verticalSeparation;break;default:throw Error(`Unsupported TreeDirection`)}break;case`Up`:if(d=new G(t.x+(e.Size.width-c)/2,t.y+e.Size.height-l),e.x=d.x,e.y=d.y,e.BoundingRectangle=new K(e.x,e.y,e.width,e.height),Math.abs(d.x-t.x)<1e-6){for(s=0,r=0;r<e.children.length;r++)a=e.children[r],s+=a.Size.width+this.options.horizontalSeparation;s-=this.options.horizontalSeparation,n=t.x+(c-s)/2}else n=t.x;for(r=0;r<e.children.length;r++)o=e.children[r],u=d.y-this.options.verticalSeparation-o.Size.height,i=new G(n,u),this.arrange(o,i),n+=o.Size.width+this.options.horizontalSeparation;break;case`Down`:switch(e.childrenLayout){case`TopAlignedWithParent`:case`BottomAlignedWithParent`:break;case`Underneath`:for(d=t,e.x=d.x,e.y=d.y,e.BoundingRectangle=new K(e.x,e.y,e.width,e.height),n=t.x+this.options.underneathHorizontalOffset,u=t.y+l+this.options.underneathVerticalTopOffset,r=0;r<e.children.length;r++)o=e.children[r],i=new G(n,u),this.arrange(o,i),u+=o.Size.height+this.options.underneathVerticalSeparation;break;case`Default`:if(d=new G(t.x+(e.Size.width-c)/2,t.y),e.x=d.x,e.y=d.y,e.BoundingRectangle=new K(e.x,e.y,e.width,e.height),Math.abs(d.x-t.x)<1e-6){for(s=0,r=0;r<e.children.length;r++)a=e.children[r],s+=a.Size.width+this.options.horizontalSeparation;s-=this.options.horizontalSeparation,n=t.x+(c-s)/2}else n=t.x;for(r=0;r<e.children.length;r++)o=e.children[r],u=d.y+this.options.verticalSeparation+l,i=new G(n,u),this.arrange(o,i),n+=o.Size.width+this.options.horizontalSeparation;break;default:throw Error(`Unsupported TreeDirection`)}break;case`None`:break;default:throw Error(`Unsupported TreeDirection`)}}}layoutSwitch(){if(!this.center||Je(this.center.children))return;let e=this.options.subtype;D(e)&&(e=`Down`);let t,n,r,i,a=this.center.children;switch(e.toLowerCase()){case`radial`:case`radialtree`:this.layoutRadialTree();break;case`mindmaphorizontal`:case`mindmap`:t=this.center.children,this.center.children.length===1?this.layoutRight(t):(i=a.length/2,n=lt(this.center.children,function(e){return st(a,e)<i}),r=lt(this.center.children,function(e){return st(a,e)>=i}),this.layoutLeft(n),this.layoutRight(r));break;case`mindmapvertical`:t=this.center.children,this.center.children.length===1?this.layoutDown(t):(i=a.length/2,n=lt(this.center.children,function(e){return st(a,e)<i}),r=lt(this.center.children,function(e){return st(a,e)>=i}),this.layoutUp(n),this.layoutDown(r));break;case`right`:this.layoutRight(this.center.children);break;case`left`:this.layoutLeft(this.center.children);break;case`up`:case`bottom`:this.layoutUp(this.center.children);break;case`down`:case`top`:this.layoutDown(this.center.children);break;case`tipover`:case`tipovertree`:if(this.options.tipOverTreeStartLevel<0)throw Error(`The tip-over level should be a positive integer.`);this.tipOverTree(this.center.children,this.options.tipOverTreeStartLevel);break;case`undefined`:case`none`:break;default:break}}},Sm=class extends lf{constructor(e){if(super(),D(e))throw Error(`No diagram specified.`);this.diagram=e}layout(e){this.transferOptions(e);let t=new mf(this.diagram);this.graph=t.convert();let n=this.layoutComponents();return new uf(this.diagram,n)}layoutComponents(){if(this.graph.isEmpty())return;let e=this.graph.getConnectedComponents();if(Je(e))return;let t=new xm(this.options),n=[];for(let r=0;r<e.length;r++){let i=e[r],a=this.getTree(i);if(!a)throw Error(`Failed to find a spanning tree for the component.`);let o=a.root,s=a.tree;t.layout(s,o),n.push(s)}return this.gridLayoutComponents(n)}getTree(e){let t=null;if(this.options.roots&&this.options.roots.length>0)for(let n=0,r=e.nodes.length;n<r;n++){let r=e.nodes[n];for(let e=0;e<this.options.roots.length;e++)if(this.options.roots[e]===r.associatedShape){t=r;break}}if(!t&&(t=e.root(),!t))throw Error(`Unable to find a root for the tree.`);return this.getTreeForRoot(e,t)}getTreeForRoot(e,t){let n=e.getSpanningTree(t);return D(n)||n.isEmpty()?null:{tree:n,root:n.root()}}},Cm=class{constructor(e,t){this.diagram=e,this.options=q({},this.options,t),this.visual=new wp,this.diagram._adorners.push(this)}refresh(){}},wm=class{constructor(e,t,n){this.item=e,this._undoSource=t,this._undoTarget=n,this._redoSource=e.source(),this._redoTarget=e.target(),this.title=be}undo(){this.item._updateConnector(this._undoSource,_e),this.item._updateConnector(this._undoTarget,ve),this.item.updateModel()}redo(){this.item._updateConnector(this._redoSource,_e),this.item._updateConnector(this._redoTarget,ve),this.item.updateModel()}};let Tm={Left:{x:-1,y:0},Right:{x:1,y:0},Top:{x:0,y:-1},Bottom:{x:0,y:1}};function Em(e){return e===`Left`||e===`Right`?`H`:`V`}function Dm(e,t,n){return new G(e.x+t.x*n,e.y+t.y*n)}function Om(e,t){return e.x===t.x&&e.y===t.y}function km(e,t){return e.y===t.y?`H`:`V`}function Am(e,t){return t.axis===`x`?new G(t.value,e.y):new G(e.x,t.value)}function jm(e,t,n,r,i,a,o){if(!n||!r)return[];let s=t.x-e.x,c=t.y-e.y,l=n===`Top`||n===`Bottom`,u=r===`Top`||r===`Bottom`,d=i??30;if(l){if(u){if(n===r){let r=a?a.y:e.y,i=o?o.y:t.y,s=n===`Top`?Math.min(r,i)-d:Math.max(r,i)+d;return[new G(e.x,s),new G(t.x,s)]}let i=e.y+c/2;return[new G(e.x,i),new G(t.x,i)]}return[new G(e.x,t.y)]}if(!u){if(n===r){let r=a?a.x:e.x,i=o?o.x:t.x,s=n===`Left`?Math.min(r,i)-d:Math.max(r,i)+d;return[new G(s,e.y),new G(s,t.y)]}let i=e.x+s/2;return[new G(i,e.y),new G(i,t.y)]}return[new G(t.x,e.y)]}function Mm(e,t,n,r){let i=[{mid:new G(t.x,e.y),first:`H`,last:`V`},{mid:new G(e.x,t.y),first:`V`,last:`H`}];if(n){let e=i.filter(e=>e.first===n);e.length&&(i=e)}if(r&&i.length>1){let e=i.filter(e=>e.last===r);e.length&&(i=e)}return i[0].mid}function Nm(e,t,n,r){let i=[e[0].p],a=[],o=e=>e.kind===`connectionStart`?Em(n):e.kind===`lock`&&e.createdByLockIndex!=null?t[e.createdByLockIndex].axis===`y`?`H`:`V`:null,s=e=>e.kind===`connectionEnd`?Em(r):null;for(let n=0;n<e.length-1;n++){let r=e[n],c=e[n+1],l=r.p,u=c.p,d=r.createdByLockIndex,f=d==null?null:t[d],p=c.createdByLockIndex==null?t.length:c.createdByLockIndex,m=(e,t,n)=>{if(Om(e,t))return;let r=km(e,t),i=null;n&&d!=null&&f&&(f.axis===`y`&&r===`H`||f.axis===`x`&&r===`V`)&&(i=d),a.push({a:e,b:t,orientation:r,ownerLockIndex:i,insertIndex:p})},h=i[i.length-1],g=Om(h,l)?l:h;if(g.x===u.x||g.y===u.y)m(g,u,!0),i.push(u);else{let e=Mm(g,u,o(r),s(c));m(g,e,!0),i.push(e),m(e,u,!1),i.push(u)}}let c=[];for(let e of i)(c.length===0||!Om(c[c.length-1],e))&&c.push(e);return{points:c.slice(1,-1),segmentsMeta:a}}function Pm(e){let{source:t,target:n,sourceSide:r,targetSide:i,anchorOffset:a=10,sameSideDistance:o}=e,s=r?Dm(t,Tm[r],a):t,c=i?Dm(n,Tm[i],a):n,l=jm(s,c,r,i,o,t,n),u=[{p:t,kind:`source`,createdByLockIndex:null}];for(let e of l)u.push({p:e,kind:`lock`,createdByLockIndex:null});Om(u[u.length-1].p,n)||u.push({p:n,kind:`target`,createdByLockIndex:null});let{points:d,segmentsMeta:f}=Nm(u,[],r,i);return{points:d,segmentsMeta:f,connectionStart:s,connectionEnd:c}}function Fm(e){let{source:t,target:n,sourceSide:r,targetSide:i,locks:a,anchorOffset:o=10,sameSideDistance:s}=e,c=r?Dm(t,Tm[r],o):t,l=i?Dm(n,Tm[i],o):n,u=[{p:t,kind:`source`,createdByLockIndex:null},{p:c,kind:`connectionStart`,createdByLockIndex:null}];if(a.length===0){let e=zm(c,l,r,i,s,t,n);for(let t of e)u.push({p:t,kind:`lock`,createdByLockIndex:null})}else for(let e=0;e<a.length;e++){let t=u[u.length-1].p,n=Am(t,a[e]);u.push({p:n,kind:`lock`,createdByLockIndex:e})}Om(u[u.length-1].p,l)||u.push({p:l,kind:`connectionEnd`,createdByLockIndex:null}),Om(u[u.length-1].p,n)||u.push({p:n,kind:`target`,createdByLockIndex:null});let{points:d,segmentsMeta:f}=Nm(u,a,r,i);return{points:d,segmentsMeta:f,connectionStart:c,connectionEnd:l}}function Im(e,t=!0){if(!t){let{locks:t,...n}=e;return Pm(n)}return Fm(e)}function Lm(e){return e===0?0:e>0?1:-1}function Rm(e){if(!e||e.length<=2)return e?e.slice():[];let t=[];for(let n of e){let e=t[t.length-1];(!e||e.x!==n.x||e.y!==n.y)&&t.push(new G(n.x,n.y))}if(t.length<=2)return t;let n=[];n.push(t[0]);for(let e=1;e<t.length-1;e++){let r=n[n.length-1],i=t[e],a=t[e+1];r.x===i.x&&i.x===a.x||r.y===i.y&&i.y===a.y||n.push(i)}if(n.push(t[t.length-1]),n.length<=2)return n;let r=[n[0]];for(let e=1;e<n.length;e++)for(r.push(n[e]);r.length>=3;){let e=r[r.length-3],t=r[r.length-2],n=r[r.length-1];if(e.y===t.y&&t.y===n.y){let i=Lm(t.x-e.x),a=Lm(n.x-t.x);if(i!==0&&a!==0&&i!==a){r.splice(r.length-2,1);continue}}if(e.x===t.x&&t.x===n.x){let i=Lm(t.y-e.y),a=Lm(n.y-t.y);if(i!==0&&a!==0&&i!==a){r.splice(r.length-2,1);continue}}break}let i=[];for(let e of r){let t=i[i.length-1];(!t||!Om(t,e))&&i.push(e)}return i.length>=2?i:[n[0],n[n.length-1]]}function zm(e,t,n,r,i=30,a,o){if(!n||!r)return[];let s=Em(n);if(s===Em(r)){if(n===r){let r=a||e,c=o||t;if(s===`H`){let a=n===`Left`?Math.min(r.x,c.x)-i:Math.max(r.x,c.x)+i;return[new G(a,e.y),new G(a,t.y)]}else{let a=n===`Top`?Math.min(r.y,c.y)-i:Math.max(r.y,c.y)+i;return[new G(e.x,a),new G(t.x,a)]}}if(s===`H`){let n=(e.x+t.x)/2;return[new G(n,e.y),new G(n,t.y)]}else{let n=(e.y+t.y)/2;return[new G(e.x,n),new G(t.x,n)]}}return e.x===t.x||e.y===t.y?[]:s===`H`?[new G(t.x,e.y)]:[new G(e.x,t.y)]}function Bm(e,t,n,r={}){let i=r.hysteresis??8,a=t.x-e.x,o=t.y-e.y,s=Math.abs(a),c=Math.abs(o),l=(n.lastSide==null?s>=c?`H`:`V`:n.lastSide===`Left`||n.lastSide===`Right`?c>s+i?`V`:`H`:s>c+i?`H`:`V`)==`H`?a>=0?`Left`:`Right`:o>=0?`Top`:`Bottom`;return n.lastSide=l,l}var Vm=class{constructor(e){this._undoSourceSide=null,this._undoTargetSide=null,this._redoSourceSide=null,this._redoTargetSide=null,this.item=e.item,this._undoLocks=e.undoLocks?e.undoLocks.map(e=>({...e})):[],this._redoLocks=e.redoLocks?e.redoLocks.map(e=>({...e})):[],this._undoPoints=e.undoPoints?e.undoPoints.map(e=>e.clone()):[],this._redoPoints=e.redoPoints?e.redoPoints.map(e=>e.clone()):[],this._undoRoutingMode=e.routingMode,this._undoSourceSide=e.sourceSide,this._undoTargetSide=e.targetSide,this._redoRoutingMode=this.item.routingMode,this._redoSourceSide=this.item.buildOptions?.sourceSide||null,this._redoTargetSide=this.item.buildOptions?.targetSide||null,this.title=`Connection Dragging`}undo(){this.item.locks=this._undoLocks.map(e=>({...e})),this.item.points(this._undoPoints.map(e=>e.clone())),this.item.updateModel(),this.item.type().toLowerCase()===`cascading`?(this.item.routingMode=this._undoRoutingMode,this._applyConnectionLocks({sourceSide:this._undoSourceSide,targetSide:this._undoTargetSide})):this._updateConnection(this._undoPoints)}redo(){this.item.locks=this._redoLocks.map(e=>({...e})),this.item.points(this._redoPoints.map(e=>e.clone())),this.item.updateModel(),this.item.type().toLowerCase()===`cascading`?(this.item.routingMode=this._redoRoutingMode,this._applyConnectionLocks({sourceSide:this._redoSourceSide,targetSide:this._redoTargetSide})):this._updateConnection(this._redoPoints)}_applyConnectionLocks(e={}){this.item._resolveConnectors(),this.item.buildOptions={...this.item.buildOptions,...e,source:this.item.sourcePoint(),target:this.item.targetPoint()};let t=Im({...this.item.buildOptions,locks:this.item.locks});this.item.route=t;let n=Rm([this.item.sourcePoint(),...t.points,this.item.targetPoint()]);this._updateConnection(n.slice(1,-1))}_updateConnection(e){this.item.points(e),this.item.refresh(),this.item.resizeAdorner&&this.item.resizeAdorner.refresh()}};function Hm(e){let t=0;return e.wheelDelta?(t=-e.wheelDelta/40,t=t>0?Math.ceil(t):Math.floor(t)):e.detail&&(t=e.detail),t}function Um(e){return e.options.name.toLowerCase()===`auto`}function Wm(e,t){let n=Se,r,i;for(let a=0;a<t.length;a++)if(i=t[a],!Um(i)){let t=e.distanceTo(i.position());t<n&&(n=t,r=i)}return r}function Gm(e,t){let n=[],r,i,a=e.drawingContainer().children,o=a.length;for(r=0;r<t.length;r++){i=t[r];for(let e=0;e<o;e++)if(a[e]===i.drawingContainer()){n.push(e);break}}return n}function Km(e){let t=e.drawingContainer().clippedBBox(null);(t.origin.x!==0||t.origin.y!==0)&&e.position(-t.origin.x,-t.origin.y)}function qm(e){let t={};return e||={},E(e.text)&&e.text!==null&&(t.text=e.text),E(e.x)&&e.x!==null&&(t.x=e.x),E(e.y)&&e.y!==null&&(t.y=e.y),E(e.width)&&e.width!==null&&(t.width=e.width),E(e.height)&&e.height!==null&&(t.height=e.height),E(e.type)&&e.type!==null&&(t.type=e.type),t}function Jm(e){let t={};return e||={},E(e.text)&&e.text!==null&&(t.content=e.text),E(e.type)&&e.type!==null&&(t.type=e.type),E(e.from)&&e.from!==null&&(t.from=e.from),E(e.fromConnector)&&e.fromConnector!==null&&(t.fromConnector=e.fromConnector),E(e.fromX)&&e.fromX!==null&&(t.fromX=e.fromX),E(e.fromY)&&e.fromY!==null&&(t.fromY=e.fromY),E(e.to)&&e.to!==null&&(t.to=e.to),E(e.toConnector)&&e.toConnector!==null&&(t.toConnector=e.toConnector),E(e.toX)&&e.toX!==null&&(t.toX=e.toX),E(e.toY)&&e.toY!==null&&(t.toY=e.toY),t}var Ym;(function(e){e.Terminator=`Terminator`,e.Process=`Process`,e.Decision=`Decision`,e.PredefinedProcess=`PredefinedProcess`,e.Document=`Document`,e.MultipleDocuments=`MultipleDocuments`,e.ManualInputOutput=`ManualInputOutput`,e.Preparation=`Preparation`,e.ManualOperation=`ManualOperation`,e.InternalStorage=`InternalStorage`,e.Display=`Display`,e.DirectAccessStorage=`DirectAccessStorage`,e.Database=`Database`,e.OnPageConnector=`OnPageConnector`,e.OffPageConnector=`OffPageConnector`,e.DataInputOutput=`DataInputOutput`,e.SummingJunction=`SummingJunction`,e.LogicalOr=`LogicalOr`,e.Merge=`Merge`,e.Extract=`Extract`,e.DataStorage=`DataStorage`,e.Delay=`Delay`,e.Sort=`Sort`,e.Collate=`Collate`})(Ym||={});let Xm=[{name:`top`},{name:`bottom`,position:function(e){let t=e.bounds().height,n=t*e.shapeVisual.options.waveRatio,r=e.getPosition(`top`);return r.y+=t-n*.4,r}},{name:`left`},{name:`right`},{name:`auto`}],Zm=[{name:`top`},{name:`bottom`},{name:`left`,position:function(e){let t=e.getPosition(`left`),n=e.bounds();return t.x+=n.width/4-e.shapeVisual.options.cornerRadius*.6*(n.width/n.height),t}},{name:`right`,position:function(e){let t=e.getPosition(`right`),n=e.bounds();return t.x-=n.width/4-e.shapeVisual.options.cornerRadius*.6*(n.width/n.height),t}},{name:`auto`}],Qm={[Ym.Extract]:Zm,[Ym.Merge]:Zm,[Ym.Document]:Xm,[Ym.MultipleDocuments]:Xm,[Ym.DataInputOutput]:[{name:`top`},{name:`bottom`},{name:`left`,position:function(e){let t=e.getPosition(`left`);return t.x+=e.bounds().width*e.shapeVisual.options.slantRatio/2-e.shapeVisual.options.cornerRadius/5,t}},{name:`right`,position:function(e){let t=e.getPosition(`right`);return t.x-=e.bounds().width*e.shapeVisual.options.slantRatio/2-e.shapeVisual.options.cornerRadius/5,t}},{name:`auto`}],[Ym.ManualOperation]:[{name:`top`},{name:`bottom`},{name:`left`,position:function(e){let t=e.getPosition(`left`);return t.x+=e.bounds().width*e.shapeVisual.options.baseShrinkRatio/(4+e.shapeVisual.options.cornerRadius/10),t}},{name:`right`,position:function(e){let t=e.getPosition(`right`);return t.x-=e.bounds().width*e.shapeVisual.options.baseShrinkRatio/(4+e.shapeVisual.options.cornerRadius/10),t}},{name:`auto`}],[Ym.ManualInputOutput]:[{name:`top`,position:function(e){let t=e.getPosition(`top`);return t.y+=e.bounds().height*e.shapeVisual.options.topSlantRatio/2,t}},{name:`bottom`},{name:`left`},{name:`right`},{name:`auto`}],[Ym.DataStorage]:[{name:`top`},{name:`bottom`},{name:`left`},{name:`right`,position:function(e){let t=e.bounds().width,n=e.getPosition(`right`);return n.x-=t*e.shapeVisual.options.ellipseRadiusXRatio,n}},{name:`auto`}]};var $m=class{constructor(e,t,n){this.shapes=t,this.undoRotates=n,this.title=`Rotation`,this.redoRotates=[],this.redoAngle=e._angle,this.adorner=e,this.center=e._innerBounds.center();for(let e=0;e<this.shapes.length;e++)this.redoRotates.push(this.redoAngle)}undo(){let e,t;for(e=0;e<this.shapes.length;e++)t=this.shapes[e],t.rotate(this.undoRotates[e],this.center,!1),`layout`in t&&t.layout(t),t.updateModel();this.adorner&&(this.adorner._initialize(),this.adorner.refresh())}redo(){let e,t;for(e=0;e<this.shapes.length;e++)t=this.shapes[e],t.rotate(this.redoRotates[e],this.center,!1),`layout`in t&&t.layout(t),t.updateModel();this.adorner&&(this.adorner._initialize(),this.adorner.refresh())}};let eh={width:10,height:10,fill:{color:`Yellow`},hover:{stroke:{width:1}},offset:10};var th=class{constructor(e,t){this.options=q({},eh,t),this.connections=[],this.shape=e}position(){let e;if(e=this.options.position?this.options.position(this.shape):this.shape.getPosition(this.options.name),this.options.offset){let t=this._calculateOffset();e=e.plus(t)}return e}positionWithoutOffset(){return this.options.position?this.options.position(this.shape):this.shape.getPosition(this.options.name)}_calculateOffset(){var e;let t=this.options.offset||0,n=(this.options.name||``).toLowerCase(),r;switch(n){case`top`:r=new G(0,-t);break;case`bottom`:r=new G(0,t);break;case`left`:r=new G(-t,0);break;case`right`:r=new G(t,0);break;default:r=new G(0,0);break}let i=((e=this.shape)?.rotate)?.call(e).angle;return i&&r.rotate(i,new G(0,0)),r}toJSON(){return{shapeId:this.shape.toString(),connector:this.options.name}}static parse(e,t){let n=t.split(`:`),r=n[0],i=n[1]||`Auto`;for(let t=0;t<e.shapes.length;t++){let n=e.shapes[t];if(n.options.id===r)return n.getConnector(i.trim())}}};let nh=[{name:`Top`},{name:ie},{name:re},{name:ne},{name:w,position:function(e){return e.getPosition(`center`)}}],rh=function(e){let t={type:`rectangle`,path:``,autoSize:!0,visual:null,x:0,y:0,minWidth:20,minHeight:20,width:100,height:100,resize:`auto`,cornerRadius:0,tooltip:{visible:!0},hover:{},accessibility:{role:`graphics-symbol`,ariaRoleDescription:Re},editable:{connect:!0,tools:[]},connectors:nh,rotation:{angle:0}};return Ye(t,e),t},ih={compile:function(e,t){return e}};var ah=class{static register(e){ih=e}static compile(e,t={}){return ih.compile(e,t)}};function oh(e={}){let t;return e.visual?e.visual=t=ah.compile(e.visual,e):e.template?e.template=t=ah.compile(e.template,e):He(e.content)&&(t=e.content),t}function sh(){let e=ch(navigator.userAgent),t={};return t.mobileOS=e,t}function ch(e){let t=!1,n={wp:/(Windows Phone(?: OS)?)\s(\d+)\.(\d+(\.\d+)?)/,fire:/(Silk)\/(\d+)\.(\d+(\.\d+)?)/,android:/(Android|Android.*(?:Opera|Firefox).*?\/)\s*(\d+)\.?(\d+(\.\d+)?)?/,iphone:/(iPhone|iPod).*OS\s+(\d+)[._]([\d._]+)/,ipad:/(iPad).*OS\s+(\d+)[._]([\d_]+)/,playbook:/(PlayBook).*?Tablet\s*OS\s*(\d+)\.(\d+(\.\d+)?)/,windows:/(MSIE)\s+(\d+)\.(\d+(\.\d+)?)/,tizen:/(tizen).*?Version\/(\d+)\.(\d+(\.\d+)?)/i,sailfish:/(sailfish).*rv:(\d+)\.(\d+(\.\d+)?).*firefox/i},r={ios:/^i(phone|pad|pod)$/i,android:/^android|fire$/i,windows:/windows/,wp:/wp/,flat:/sailfish|ffos|tizen/i};for(let i in n)if(Object.prototype.hasOwnProperty.call(n,i)&&e.match(n[i])){if(i===`windows`&&`plugins`in navigator)return!1;t={},t.device=i,t.name=lh(i,r),t[t.name]=!0;break}return t}function lh(e,t,n){for(let n in t)if(t[n].test(e))return n;return n===void 0?e:n}let uh=Object.assign,dh=()=>new Date().getTime(),fh=(e,t)=>{e.classList.add(t)},ph=e=>{let t=document.createElement(`div`);return t.innerHTML=e,t.firstChild},mh=(e,t)=>{t.insertBefore(e,t.firstChild)},hh=(e,t)=>{for(e.appendChild(t);e.firstChild!==t;)t.appendChild(e.firstChild)},gh=()=>{let{mobileOS:e}=sh();return e.ios||e.android},_h=e=>{let t=e.wheelDeltaY,n;return e.wheelDelta?(t===void 0||t)&&(n=e.wheelDelta):e.detail&&e.axis===e.VERTICAL_AXIS&&(n=-e.detail*10),n},vh=e=>{if(e.blocks)return cm;let t=e.textWrap;return t===void 0&&(e.text.includes(`
`)||!yh(e,_m(e).size.width))&&(t=y),(e.border||e.position===`inline`)&&(t=y),t===`wrap`?ym:em},yh=(e,t)=>{let n=e.text||``,r=vm(e);return!n.split(`
`).find(e=>mr(e,r).width>t)},bh={hover:{},cursor:C.grip,content:{align:`center middle`},selectable:!0,serializable:!0,enable:!0};var xh=class extends Ct{constructor(e){super(),this.dataItem=(e||{}).dataItem,this.options=q({id:Ot()},bh,e),this.isSelected=!1,this.visual=new wp({id:this.options.id,autoSize:this.options.autoSize,compensateOriginOnScale:!0}),this.id=this.options.id,this._template()}_getCursor(e){return this.adorner?this.adorner._getCursor(e):this.options.cursor}visible(e){if(D(e))return this.visual.visible();this.visual.visible(e)}bounds(e){return null}refresh(){this.visual.redraw()}position(e){this.options.x=e.x,this.options.y=e.y,this.visual.position(e)}toString(){return this.options.id}serialize(){let e=q({},{options:this.options});return this.dataItem&&(e.dataItem=this.dataItem.toString()),e}_content(e){if(e!==void 0){let t=this.options;if(O(e))t.content.text=e;else if(e.blocks){t.content.blocks=e.blocks;let{blocks:n,...r}=e;q(t.content,r)}else q(t.content,e);let n=t.content,r=this._contentVisual;if(r&&vh(n).name!==r.name){let e=r.drawingContainer();e.parent.remove(e),this._contentVisual=r=null}r?this._updateContentVisual(n):this._createContentVisual(n)}return this.options.content.blocks||this.options.content.text}_createContentVisual(e){if(e.text||e.blocks){e.shapeSize=this.bounds();let t=vh(e);this._contentVisual=new t(e),this._contentVisual._includeInBBox=!1,this.visual.append(this._contentVisual),this.shapeVisual?._renderContent===!1&&this._contentVisual.visible(!1)}}_updateContentVisual(e){this._contentVisual.redraw(e)}_hitTest(e){let t=this.bounds();return this.visible()&&t.contains(e)&&this.options.enable}_template(){if(this.options.content.template){let e=this.dataItem||{},t=oh(uh({},this.options.content,{dataItem:this.dataItem||this.options.dataItem}));He(t)?this.options.content.text=t(e):O(t)&&(this.options.content.text=t)}}_canSelect(){return this.options.selectable!==!1}toJSON(){return{id:this.options.id}}};let Sh={Terminator:Sp,Process:Jp,Decision:up,PredefinedProcess:Gp,Document:bp,MultipleDocuments:xp,ManualInputOutput:jp,Preparation:qp,ManualOperation:Np,InternalStorage:Dp,Display:gp,DirectAccessStorage:mp,Database:sp,OnPageConnector:rp,OffPageConnector:Lp,DataInputOutput:ap,SummingJunction:pm,LogicalOr:Fp,Merge:Pp,Extract:Cp,DataStorage:lp,Delay:fp,Sort:fm,Collate:np};function Ch(e){return e===void 0?`auto`:e}function wh(e){return e===`auto`||e===void 0?{preserveAspectRatio:!1,scaleContent:!1}:{preserveAspectRatio:!1,scaleContent:!1,...e}}function Th(e,t,n){let r=e.options.align;e.options.align!==n&&(e.options.align=n,typeof e._initText==`function`&&e._initText());let i=t.topLeft();e.position(i);let a=e.drawingElement.bbox(null);if(!a)return e.options.align=r,null;e.options.align=n;let o=typeof e.padding==`function`?e.padding():{left:0,top:0,right:0,bottom:0},s=a.width()>t.width-(o.left+o.right),c=a.height()>t.height-(o.top+o.bottom);if(s||c){let r=Eh(n,s,c);e.options.align!==r&&(e.options.align=r,typeof e._initText==`function`&&e._initText(),e.position(i),a=e.drawingElement.bbox(null)||a,s=a.width()>t.width-(o.left+o.right),c=a.height()>t.height-(o.top+o.bottom));let l=0,u=0;s&&(l=t.x-a.origin.x+o.left),c&&(u=t.y-a.origin.y+o.top),(l!==0||u!==0)&&(e.position(i.x+l,i.y+u),a=e.drawingElement.bbox(null)||a)}return e.options.align=r,a}function Eh(e,t,n){let r=(e||`center middle`).toLowerCase().split(/\s+/),i=`center`,a=`middle`;return r.forEach(e=>{(e===`left`||e===`center`||e===`right`)&&(i=e),(e===`top`||e===`middle`||e===`bottom`)&&(a=e)}),t&&(i=`left`),n&&(a=`top`),`${a} ${i}`}function Dh(e,t){if(e&&typeof e.clip==`function`){e.clip(t);return}e&&e.options&&typeof e.options.set==`function`&&e.options.set(`clip`,t)}function Oh(e,t,n){let r=t.x+n.left,i=t.y+n.top,a=e.position();return r-=a.x,i-=a.y,new F([r,i],[Math.max(0,t.width-n.left-n.right),Math.max(0,t.height-n.top-n.bottom)])}var $=class e extends xh{constructor(e,t){super(e),this.name=Re,this._originalWidth=e?.width,this._originalHeight=e?.height,this.options=q({},this.options,rh({connectors:void 0}),e),this._normalizeResizeOptions(),this.type=this.options.type,this._syncResizeOptions(),this.diagram=t,this.updateOptionsFromModel(),this.connectors=[],this.createShapeVisual(),this.updateBounds(),this.content(this.content()),this._createConnectors()}_setOptionsFromModel(e){let t=qm(e||this.dataItem);this.options=q({},this.options,t),this._normalizeResizeOptions(),this.redrawVisual()}updateOptionsFromModel(e,t){if(this.diagram&&this.diagram._isEditable){let n=qm(e||this.dataItem);if(e&&t)if(!j([`x`,`y`,`width`,`height`],t))this.options.visual?this._redrawVisual():n.type&&(this.options=q({},this.options,n),this._normalizeResizeOptions(),this._redrawVisual()),this.options.content&&(this._template(),this.content(this.options.content));else{let n=this.bounds();n[t]=e[t],this.bounds(n)}else 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K(0,0,a.width,a.height),s=t.options.shapeSize,c=!s||s.width!==o.width||s.height!==o.height;e.shapeSize=o,t.options.shapeSize=o,c&&t.alignable===!1&&typeof t._initText==`function`&&t._initText();let l=t.position(),u=typeof t.padding==`function`?t.padding():{left:0,top:0,right:0,bottom:0};if(t.alignable===!1){if(!Th(t,a,e.align||`center middle`)){Dh(t.drawingContainer(),I.fromRect(Oh(t,a,u)));return}Dh(t.drawingContainer(),I.fromRect(Oh(t,a,u)));return}if(e.align&&t.alignable!==!1){let n=a;typeof t.padding==`function`&&(n=new K(a.x+u.left,a.y+u.top,Math.max(0,a.width-u.left-u.right),Math.max(0,a.height-u.top-u.bottom)));let r=n.topLeft(),i=new rf(new K(0,0,n.width,n.height)),o=t.drawingElement.bbox(null);if(!o){Dh(t.drawingContainer(),I.fromRect(Oh(t,a,u)));return}let s=new K(0,0,o.width(),o.height());l=i.align(s,e.align).topLeft().plus(r),t.position(l)}let d=t.drawingElement.bbox(null);if(!d){Dh(t.drawingContainer(),I.fromRect(Oh(t,a,u)));return}let f=0,p=0;d.width()>a.width-(u.left+u.right)&&(f=a.x-d.origin.x+u.left),d.height()>a.height-(u.top+u.bottom)&&(p=a.y-d.origin.y+u.top),(f!==0||p!==0)&&t.position(l.x+f,l.y+p),Dh(t.drawingContainer(),I.fromRect(Oh(t,a,u)))}_createConnectors(){let e=this.options,t=e.connectors||Qm[e.type]||nh,n=t.length,r=e.connectorDefaults,i,a;for(a=0;a<n;a++)i=new th(this,q({},r,t[a])),this.connectors.push(i)}bounds(e){let t;if(e)if(O(e))switch(e){case De:t=this._transformedBounds();break;case`absolute`:{t=this._transformedBounds();let e=this.diagram._pan;t.x+=e.x,t.y+=e.y;break}case ge:t=this._rotatedBounds();break;default:t=this._bounds;break}else this._setBounds(e),this._triggerBoundsChange(),this.diagram&&this.diagram._layouting||this.refreshConnections();else t=this._bounds;return t}_setBounds(e){let t=this.options,n=e.topLeft(),r=t.x=n.x,i=t.y=n.y,a=t.width=Math.max(e.width,t.minWidth),o=t.height=Math.max(e.height,t.minHeight);if(this._bounds=new K(r,i,a,o),this._syncResizeOptions(),this._scaleOnResize()){this.visual.redraw({x:r,y:i,width:a,height:o});return}this.shapeVisual&&typeof this.shapeVisual.redraw==`function`&&this.shapeVisual.redraw({...this._visualOptions(t),width:a,height:o}),this.visual.redraw({x:r,y:i}),this.visual._measure(!0),this._alignContent()}position(e){if(e)this.bounds(new K(e.x,e.y,this._bounds.width,this._bounds.height));else return this._bounds.topLeft()}clone(){let t=this.serialize();return t.options.id=Ot(),this.diagram&&this.diagram._isEditable&&E(this.dataItem)&&(t.options.dataItem=this.diagram.options.cloneDataItem(this.dataItem)),new e(t.options,void 0)}select(e){let t=this.diagram,n,r;if(D(e)&&(e=!0),this._canSelect()&&this.isSelected!==e)return n=[],r=[],this.isSelected=e,this.isSelected?(t._selectedItems.push(this),n.push(this)):(A(t._selectedItems,this),r.push(this)),t._internalSelection||t._selectionChanged(n,r),!0}rotate(e,t,n){let r=this.visual.rotate();if(e!==void 0){n!==!1&&this.diagram&&this.diagram.undoRedoService&&e!==r.angle&&this.diagram.undoRedoService.add(new $m(this.diagram._resizingAdorner,[this],[r.angle]),!1);let i=this.bounds(),a=new G(i.width/2,i.height/2),o,s;t&&(o=e-r.angle,s=i.center().rotate(o,t).minus(a),this._rotationOffset=this._rotationOffset.plus(s.minus(i.topLeft())),this.position(s)),this.visual.rotate(e,a),this.options.rotation.angle=e,this.diagram&&this.diagram._connectorsAdorner&&this.diagram._connectorsAdorner.refresh(),this.refreshConnections(),this.diagram&&this.diagram.trigger(ce,{item:this})}return r}connections(e){let t=[],n,r,i,a,o;for(n=0;n<this.connectors.length;n++)for(o=this.connectors[n],a=o.connections,r=0;r<a.length;r++)if(i=a[r],e===`out`){let e=i.source();e.shape&&e.shape===this&&t.push(i)}else if(e===`in`){let e=i.target();e.shape&&e.shape===this&&t.push(i)}else t.push(i);return t}refreshConnections(){this.connections().forEach(function(e){e.refresh()})}getConnector(e){let t,n;if(O(e)){for(e=e.toLocaleLowerCase(),t=0;t<this.connectors.length;t++)if(n=this.connectors[t],n.options.name.toLocaleLowerCase()===e)return n}else if(e instanceof G)return Wm(e,this.connectors);else return this.connectors.length?this.connectors[0]:null}getPosition(e){let t=this.bounds(),n=e.charAt(0).toLowerCase()+e.slice(1);return He(t[n])?this._transformPoint(t[n]()):t.center()}redraw(e){if(e){let t=this.options,n;(Object.prototype.hasOwnProperty.call(e,`resize`)||Object.prototype.hasOwnProperty.call(e,`type`))&&(t.resize=Object.prototype.hasOwnProperty.call(e,`resize`)?Ch(e.resize):t.resize,this._syncResizeOptions()),this.shapeVisual.redraw(this._visualOptions(e)),this._diffNumericOptions(e,[`width`,`height`,`x`,`y`])&&(this.bounds(new K(t.x,t.y,t.width,t.height)),n=!0),e.connectors&&(t.connectors=e.connectors,this._updateConnectors()),t=q(t,e),this._normalizeResizeOptions(),this.type=this.options.type,(e.rotation||n)&&this._rotate(),t.content&&this.content(t.content)}}_updateConnectors(){let e=this.connections();this.connectors=[],this._createConnectors();let t,n,r;for(let i=0;i<e.length;i++)t=e[i],n=t.source(),r=t.target(),n.shape&&n.shape===this?t.source(this.getConnector(n.options.name)||null):r.shape&&r.shape===this&&t.target(this.getConnector(r.options.name)||null),t.updateModel()}_diffNumericOptions(e,t){return Of.call(this,e,t)}_visualOptions(e){return{accessibility:e.accessibility,cornerRadius:e.cornerRadius,data:e.path,source:e.source,hover:e.hover,fill:e.fill,stroke:e.stroke,resize:e.resize,dataItem:this.dataItem||e?.dataItem,autoSize:e.autoSize,id:e.id}}_scaleOnResize(){return wh(this.options.resize).scaleContent===!0}_fixedAspectRatioOnResize(){return wh(this.options.resize).preserveAspectRatio===!0}_normalizeResizeOptions(){this.options.resize=Ch(this.options.resize)}_syncResizeOptions(){this.visual&&(this.visual.options.autoSize=this._scaleOnResize(),this._scaleOnResize()||(this.visual._transform.scale=void 0))}_resizeHandleAllowed(e){return!0}_resizeHandleVisible(e){return e&&e.x!==0&&e.y!==0}_resizeHandleVisualBounds(e,t,n){return t}_usesDynamicResizeBounds(){return!1}_triggerBoundsChange(){this.diagram&&this.diagram.trigger(le,{item:this,bounds:this._bounds.clone()})}_transformPoint(e){let t=this.rotate(),n=this.bounds().topLeft();return t.angle&&e.rotate(t.angle,t.center().plus(n)),e}_transformedBounds(){let e=this.bounds(),t=e.topLeft(),n=e.bottomRight();return K.fromPoints(this.diagram.modelToView(t),this.diagram.modelToView(n))}_rotatedBounds(){let e=this.bounds().rotatedBounds(this.rotate().angle),t=e.topLeft(),n=e.bottomRight();return K.fromPoints(t,n)}_rotate(){let e=this.options.rotation;e&&e.angle&&this.rotate(e.angle),this._rotationOffset=new G}_hover(e){let t=this.options,n=t.hover,r=t.stroke,i=t.fill;e&&T(n.stroke)&&(r=q({},r,n.stroke)),e&&T(n.fill)&&(i=n.fill),this.shapeVisual.redraw({stroke:r,fill:i}),t.editable&&t.editable.connect&&this.diagram._showConnectors(this,e)}_getMaxConnectorOffset(){let e=0;for(let t=0;t<this.connectors.length;t++){let n=this.connectors[t],r=n.options.offset||0,i=Math.max(n.options.width||0,n.options.height||0),a=n.options.stroke?.width||0,o=n.options.hover?.stroke?.width||a,s=r+i/2+Math.max(a,o);s>e&&(e=s)}return e}_hitTest(e){if(this.visible()){let t=this.bounds(),n=this.rotate().angle,r=this._getMaxConnectorOffset(),i;if(r>0&&(t=t.clone(),t.inflate(r,r)),e.isEmpty&&!e.isEmpty())return gf.rects(e,t,n||0);if(i=e.clone().rotate(n,t.center()),t.contains(i))return this}}toJSON(){return{shapeId:this.options.id}}createShapeVisual(){let e=this.options,t=this._visualOptions(e),n=e.visual?ah.compile(e.visual,e):e.visual,r=(e.type+``).toLocaleLowerCase(),i;t.width=e.width,t.height=e.height,He(n)?i=n.call(this,e):t.data?(i=new Rp(t),Km(i)):i=r===`rectangle`?new X(t):r===`circle`?new Zf(t):r===`image`?new Tp(t):Sh[e.type]?new Sh[e.type](t):new Rp(t),this.shapeVisual=i,this.visual.append(this.shapeVisual)}focus(){this.shapeVisual.drawingElement.options.set(Be,Oe)}blur(){this.shapeVisual.drawingElement.options.set(Be,``)}},kh=class extends Cm{constructor(e,t){t=q({handles:{}},t),super(e.diagram,t),this.connection=e;let n=this.connection.diagram;this._ts=n.toolService;let r=this.connection.sourcePoint(),i=this.connection.targetPoint();this.spVisual=new Zf(q({},this.options.handles,{center:r,autoSize:!1})),this.epVisual=new Zf(q({},this.options.handles,{center:i,autoSize:!1})),this.visual.append(this.spVisual),this.visual.append(this.epVisual)}_getCursor(){return C.move}start(e){switch(this.handle=this._hitTest(e),this.startPoint=e,this._initialSource=this.connection.source(),this._initialTarget=this.connection.target(),this._initialLocks=(this.connection.locks||[]).map(e=>({...e})),this._initialPoints=(this.connection.points()||[]).map(e=>e.clone()),this.handle){case-1:this.connection.targetConnector&&this._ts._connectionManipulation(this.connection,this.connection.targetConnector.shape);break;case 1:this.connection.sourceConnector&&this._ts._connectionManipulation(this.connection,this.connection.sourceConnector.shape);break;default:break}}move(e,t){let n=this.diagram.toolService,r=t,i=n._hoveredConnector;if(i){let t=e===-1,n=e===1;(t&&i._c!==this.connection.targetConnector||n&&i._c!==this.connection.sourceConnector)&&(r=i._c.position())}switch(e){case-1:this.connection.source(r);break;case 1:this.connection.target(r);break;default:{let e=t.minus(this.startPoint);this.startPoint=t;let n=this.connection.type();if(n&&n.toLowerCase()===`cascading`&&this.connection.locks&&this.connection.locks.length>0&&this.connection.locks.forEach(t=>{t.axis===`x`?t.value+=e.x:t.value+=e.y}),this.connection.points().length>0){let t=this.connection.points().map(t=>t.plus(e));this.connection.points(t)}this.connection.sourceConnector||this.connection.source(this.connection.sourcePoint().plus(e)),this.connection.targetConnector||this.connection.target(this.connection.targetPoint().plus(e));break}}return this.connection.refresh(),this.refresh(),!0}stop(e){let t=this.diagram.toolService,n=t.hoveredItem,r;r=t._hoveredConnector?t._hoveredConnector._c:n&&n instanceof $?n.getConnector(`Auto`)||n.getConnector(e):e,this.handle===-1?this.connection.source(r):this.handle===1&&this.connection.target(r);let i=this.handle;return this.handle=void 0,this._ts._connectionManipulation(),i===-1||i===1?new wm(this.connection,this._initialSource,this._initialTarget):new Vm({item:this.connection,undoLocks:this._initialLocks,redoLocks:this.connection.locks||[],undoPoints:this._initialPoints,redoPoints:(this.connection.points()||[]).map(e=>e.clone()),routingMode:this.connection.routingMode,sourceSide:this.connection.buildOptions?.sourceSide||null,targetSide:this.connection.buildOptions?.targetSide||null})}_hitTest(e){let t=this.connection.sourcePoint(),n=this.connection.targetPoint(),r=this.options.handles.width/2+10,i=this.options.handles.height/2+10,a=t.distanceTo(e),o=n.distanceTo(e),s=new K(t.x,t.y).inflate(r,i).contains(e),c=new K(n.x,n.y).inflate(r,i).contains(e),l=0;return s&&(!c||a<o)?l=-1:c&&(!s||o<a)&&(l=1),l}refresh(){this.spVisual.redraw({center:this.diagram.modelToLayer(this.connection.sourcePoint())}),this.epVisual.redraw({center:this.diagram.modelToLayer(this.connection.targetPoint())})}};function Ah(e,t){if(!e.length)return[];let n=e.some(e=>e.axis===`x`),r=e.some(e=>e.axis===`y`),i=[],a=new G(t.x,t.y);for(let t=0;t<e.length;t++){let n=e[t],r=n.axis===`x`?new G(n.value,a.y):new G(a.x,n.value);if(r.x!==a.x||r.y!==a.y){i.push(n),a=r;continue}let o=e.slice(t+1).some(e=>e.axis===n.axis);!i.some(e=>e.axis===n.axis)&&!o&&i.push(n)}if(n&&!i.some(e=>e.axis===`x`)){let t=e.find(e=>e.axis===`x`);t&&i.push(t)}if(r&&!i.some(e=>e.axis===`y`)){let t=e.find(e=>e.axis===`y`);t&&i.unshift(t)}return i}function jh(e,t,n={}){let r=n.tolerance??6,i=r*r,a=-1,o=1/0;for(let n=0;n<t.length;n++){let r=t[n],i=Nh(e,r.a,r.b);i<o&&(o=i,a=n)}if(a===-1||o>i)return-1;let s=[];for(let n=0;n<t.length;n++){let r=Nh(e,t[n].a,t[n].b);Math.abs(r-o)<1e-9&&s.push(n)}if(s.length>1){let e=s[0],n=Mh(t[e].a,t[e].b);for(let r=1;r<s.length;r++){let i=s[r],a=Mh(t[i].a,t[i].b);a>n&&(n=a,e=i)}return e}return a}function Mh(e,t){let n=t.x-e.x,r=t.y-e.y;return n*n+r*r}function Nh(e,t,n){if(t.y===n.y){let r=t.y,i=Math.min(t.x,n.x),a=Math.max(t.x,n.x);if(e.x>=i&&e.x<=a){let t=e.y-r;return t*t}let o=e.x<i?i:a,s=e.x-o,c=e.y-r;return s*s+c*c}let r=t.x,i=Math.min(t.y,n.y),a=Math.max(t.y,n.y);if(e.y>=i&&e.y<=a){let t=e.x-r;return t*t}let o=e.y<i?i:a,s=e.x-r,c=e.y-o;return s*s+c*c}function Ph(e,t){let n=e=>Math.round(e/t)*t;return e.map(e=>`${n(e.x)},${n(e.y)}`).join(`;`)}function Fh(e,t){let n=Im({...e,locks:t});return Rm([e.source,...n.points,e.target])}function Ih(e,t,n={}){let r=n.tolerance??.5;if(!e.length)return e;let i=Ph(Fh(t,e),r),a=e.slice(),o=!0;for(;o&&a.length;){o=!1;for(let e=0;e<a.length;e++){let n=a.slice(0,e).concat(a.slice(e+1));if(Ph(Fh(t,n),r)===i){a=n,o=!0;break}}}return a}function Lh(e){return e.orientation===`H`?`y`:`x`}function Rh(e,t,n,r){if(t.y===n.y){let i=Math.min(t.x,n.x),a=Math.max(t.x,n.x);return Math.abs(e.y-t.y)<=r&&e.x>=i-r&&e.x<=a+r}let i=Math.min(t.y,n.y),a=Math.max(t.y,n.y);return Math.abs(e.x-t.x)<=r&&e.y>=i-r&&e.y<=a+r}var zh=class extends Cm{constructor(e,t){super(e.diagram,q({},t)),this._sourceSide=null,this._targetSide=null,this.connection=e,this.handles=[],this.activeHandle=null,this._firstMove=!1,t&&this._createHandles(),this.diagram.bind(`dblclick`,this.onDblClick.bind(this))}onDblClick(e){let t=e.item&&e.item.name===`Connection`&&this._hitTest(e.point);if(!t||!t.vertex)return;let n=this.connection.route.segmentsMeta,r=n[jh(t.point,n,{tolerance:8})];if(r&&r.ownerLockIndex!=null){this.connection.locks.splice(r.ownerLockIndex,1),this.connection.routingMode=this.connection.locks.length?`manual`:`auto`;let e=Im({...this.connection.buildOptions,locks:this.connection.locks}),t=this.connection.sourcePoint(),n=this.connection.targetPoint(),i=Rm([t,...e.points,n]);this.connection.points(i.slice(1,-1)),this.connection.route=e,this.connection.refresh(),this.refresh()}}createMiddlePoints(){let e=this.connection.route,t=[];if(!e)return t;let n=e.points,r=this.connection.allPoints(),i=r[0],a=r[r.length-1],o=r.length>2?r[1]:null,s=r.length>2?r[r.length-2]:null,c=e.connectionStart.x!==i.x||e.connectionStart.y!==i.y,l=e.connectionEnd.x!==a.x||e.connectionEnd.y!==a.y,u=this._axisAligned(n)&&n.length>=2?[n[0],n[n.length-1]]:n,d=[...c?[]:[i],...u,...l?[]:[a]];if(d.length<2)return t;let f=this.connection.options.anchorOffset??0,p=.5;for(let e=0;e<d.length-1;){let n=e+1;for(;n<d.length-1&&this._axisAligned(d.slice(e,n+2));)n++;let r=d[e],c=d[n];if(r.x===c.x&&r.y===c.y){e=n;continue}let l=new G((r.x+c.x)/2,(r.y+c.y)/2),u=e===0,m=n===d.length-1,h=u&&o&&this._axisAligned([i,l,o]),g=m&&s&&this._axisAligned([a,l,s]),_=h&&o&&i.distanceTo(o)<=f+p,v=g&&s&&a.distanceTo(s)<=f+p;if(_||v){e=n;continue}u&&h&&!_&&o?l=new G((i.x+o.x)/2,(i.y+o.y)/2):m&&g&&!v&&s&&(l=new G((a.x+s.x)/2,(a.y+s.y)/2)),t.push(l),e=n}return t}_createHandles(){if(this.handles.forEach(e=>this.visual.remove(e.visual)),this.handles=[],(this.connection.options.type||``).toLowerCase()!==`cascading`||this.connection.pointsEditable()===!1)return;let e=this.createMiddlePoints(),t=this.options,n=this.connection.route.segmentsMeta.filter(e=>e.ownerLockIndex!==null);e.forEach(e=>{let r=n.some(t=>Rh(e,t.a,t.b,.5)),i=new Zf({center:this.diagram.modelToLayer(e),radius:r?t.vertex.radius:t.midpoint.radius,fill:r?t.vertex.fill:t.midpoint.fill,stroke:r?t.vertex.stroke:t.midpoint.stroke});this.visual.append(i),this.handles.push({visual:i,point:e,vertex:r})})}_axisAligned(e){if(e.length<=1)return!0;let{x:t,y:n}=e[0];return e.every(e=>e.x===t)||e.every(e=>e.y===n)}_getCursor(e){if(this._activeDrag)return this._activeDrag.cursor;let t=e&&this._hitTest(e);if(t){let e=this.connection.route.segmentsMeta,n=e[jh(t.point,e,{tolerance:8})];return!n||n.orientation===`H`?C.rowresize:C.colresize}}_hitTest(e){let t=this.options;if(!t.midpoint||!t.vertex)return null;let n=(t.vertex.radius+(t.vertex.stroke?.width||1))/this.diagram.zoom();return this.handles.find(t=>t.point.distanceTo(e)<=n)||null}start(e){if(this.activeHandle=this._hitTest(e),this.activeHandle){this._initialLocks=this.connection.locks.map(e=>({...e})),this._routingMode=this.connection.routingMode,this._sourceSide=this.connection.buildOptions.sourceSide,this._targetSide=this.connection.buildOptions.targetSide;let t=this.connection.route.segmentsMeta,n=jh(e,t,{tolerance:8}),r=t[n];r?this._activeDrag={axis:Lh(r),lockIndex:r.ownerLockIndex,insertIndex:r.insertIndex,inserted:!1,cursor:!r||r.orientation===`H`?C.rowresize:C.colresize,segmentIndex:n}:this._activeDrag={axis:`y`,lockIndex:null,insertIndex:this.connection.locks.length,inserted:!1,cursor:C.arrow,segmentIndex:n},this._firstMove=!0}}move(e,t){if(!this.activeHandle)return!1;let n=new G(Math.round(t.x),Math.round(t.y)),r=this.connection,i=this._activeDrag,a=i.axis===`x`?n.x:n.y,o=this._findSnapValue(i.axis,a);o!==null&&(a=o),i.lockIndex==null&&!i.inserted&&(r.locks.splice(i.insertIndex,0,{axis:i.axis,value:a}),i.lockIndex=i.insertIndex,i.inserted=!0),i.lockIndex!=null&&(r.locks[i.lockIndex].value=a);let s=Im({...this.connection.buildOptions,locks:r.locks});return this.updateConnection(s),!0}updateConnection(e){this.connection.routingMode=`manual`;let t=this.connection.sourcePoint(),n=this.connection.targetPoint(),r=Rm([t,...e.points,n]);this.connection.points(r.slice(1,-1)),this.connection.route=e,this.connection.refresh(),this._firstMove&&this.handles&&this.handles.forEach(e=>{e.visual&&e.visual.visible(!1)}),this._firstMove=!1}_findSnapValue(e,t){let n=this.connection.route?.segmentsMeta;if(!n||!this._activeDrag)return null;let r=this._activeDrag.lockIndex,i=null,a=this.options.snap===void 0?6:this.options.snap;for(let o of n){if(r!==null&&o.ownerLockIndex===r||!(e===`y`&&o.orientation===`H`||e===`x`&&o.orientation===`V`))continue;let n=o.orientation===`H`?(o.a.y+o.b.y)/2:(o.a.x+o.b.x)/2,s=Math.abs(n-t);s<a&&(a=s,i=n)}return i}stop(e){if(!this.activeHandle)return;let t=this.connection.locks.map(e=>({...e}));this.connection.locks=Ah(this.connection.locks,this.connection.route.connectionStart);let n=this.connection.sourcePoint(),r=this.connection.targetPoint();this.connection.locks=Ih(this.connection.locks,this.connection.buildOptions,{tolerance:.5});let i={...this.connection.buildOptions},a={};this.connection._resolveConnectors(a),(!a._resolvedTargetConnector?.positionWithoutOffset().equals(r)||!a._resolvedSourceConnector?.positionWithoutOffset().equals(n))&&(this.connection.locks=t,this.connection.buildOptions=i);let o=Im({...this.connection.buildOptions,locks:this.connection.locks});this.updateConnection(o);let s=new Vm({item:this.connection,undoLocks:this._initialLocks||[],redoLocks:this.connection.locks,undoPoints:[],redoPoints:[],routingMode:this._routingMode,sourceSide:this._sourceSide,targetSide:this._targetSide});return this._resetFlags(),this.refresh(),s}refresh(){this._createHandles()}cancel(){this.activeHandle&&this._initialLocks&&(this._initialLocks&&(this.connection.locks=this._initialLocks.map(e=>({...e})),this.updateConnection(Im({...this.connection.buildOptions,locks:this.connection.locks}))),this.refresh(),this._resetFlags())}_resetFlags(){this.activeHandle=null,this._activeDrag=null,this._firstMove=!1,this._initialLocks&&=void 0}},Bh=class extends Cm{constructor(e,t){super(e.diagram,q({},t)),this._handlePoints=[],this.connection=e,this.handles=[],this.activeHandle=null,this._firstMove=!1,t&&this._createHandles(),this.diagram.bind(`dblclick`,this.onDblClick.bind(this))}onDblClick(e){let t=e.item&&e.item.name===`Connection`&&this._hitTest(e.point),n=t&&this._handlePoints.find(e=>e.point.equals(t.point));if(n&&n.vertex){let e=this.connection.allPoints().slice(1,-1),t=e.findIndex(e=>e.equals(n.point));if(t<0)return;e.splice(t,1),this.connection.points(e.map(e=>e.clone())),this.connection.refresh(),this.refresh()}}createHandlePoints(){let e=this.connection.allPoints(),t=[],n=e[0],r=e[e.length-1],i=e.slice(1,-1),a=i.length?[n,...i,r]:[n,r];for(let e=0;e<a.length-1;){let n=e+1,r=a[e],i=a[n];(r.x!==i.x||r.y!==i.y)&&(t.push({vertex:!0,point:r}),t.push({vertex:!1,point:new G((r.x+i.x)/2,(r.y+i.y)/2)}),t.push({vertex:!0,point:i})),e=n}return t.slice(1,-1)}_createHandles(){if(this.handles.forEach(e=>this.visual.remove(e.visual)),this.handles=[],(this.connection.options.type||``).toLowerCase()!==`polyline`||this.connection.pointsEditable()===!1)return;this._handlePoints=this.createHandlePoints();let e=this.options;this._handlePoints.forEach(({point:t,vertex:n})=>{let r=new Zf({center:this.diagram.modelToLayer(t),radius:n?e.vertex.radius:e.midpoint.radius,fill:n?e.vertex.fill:e.midpoint.fill,stroke:n?e.vertex.stroke:e.midpoint.stroke});this.visual.append(r),this.handles.push({visual:r,point:t})})}_getCursor(e){if(e&&this._hitTest(e))return C.arrow}_hitTest(e){let t=this.options;if(!t.midpoint||!t.vertex)return null;let n=(t.midpoint.radius+(t.midpoint.stroke?.width||1))/this.diagram.zoom();return this.handles.find(t=>t.point.distanceTo(e)<=n)||null}start(e){this.activeHandle=this._hitTest(e),this.activeHandle&&(this._initialPoints=this.connection.points().map(e=>e.clone()),this._firstMove=!0)}move(e,t){if(!this.activeHandle)return!1;let n=this.connection.allPoints().slice(1,-1),r=this.activeHandle.point,i=this._handlePoints.findIndex(e=>e.point.equals(r)),a=this._handlePoints[i];if(!a)return;let o=this._applySnap(t,i);if(a.vertex){let e=n.find(e=>e.equals(a.point));e&&(e.x=o.x,e.y=o.y,this.connection.points(n.map(e=>e.clone())),this.updateConnection(),this.activeHandle.point=e.clone(),a.point=e.clone())}else{let e=this._handlePoints[i-1],t=this._handlePoints[i+1];if(e){let t=n.findIndex(t=>t.equals(e.point));t>=0&&n.splice(t+1,0,o.clone())}else if(t){let e=n.findIndex(e=>e.equals(t.point));e>=0&&n.splice(e,0,o.clone())}else n.length===0&&n.push(o.clone());this.connection.points(n.map(e=>e.clone())),this.updateConnection(),this._handlePoints=this.createHandlePoints();let r=this._handlePoints.findIndex(e=>e.vertex&&e.point.equals(o));r>=0&&(this.activeHandle.point=this._handlePoints[r].point)}return this.connection.refresh(),!0}updateConnection(){let e=this.connection.sourcePoint(),t=this.connection.targetPoint(),n=this.connection.points();this.connection.path.redraw({points:[e,...n,t]}),this.connection._alignContent(),this._firstMove&&this.handles&&this.handles.forEach(e=>{e.visual&&e.visual.visible(!1)}),this._firstMove=!1}_applySnap(e,t){let n=this._handlePoints[t];if(!n)return e;let r=this.options.snap===void 0?6:this.options.snap,i=this.connection.allPoints(),a=null,o=null;if(n.vertex){let e=i.findIndex(e=>e.distanceTo(n.point)<.1);e>=0&&(a=e>0?i[e-1]:null,o=e<i.length-1?i[e+1]:null)}else{let e=this._handlePoints[t-1],n=this._handlePoints[t+1];a=e?.point||null,o=n?.point||null}let s=null,c=null;return a&&Math.abs(e.y-a.y)<r&&(c=a.y),o&&c===null&&Math.abs(e.y-o.y)<r&&(c=o.y),a&&Math.abs(e.x-a.x)<r&&(s=a.x),o&&s===null&&Math.abs(e.x-o.x)<r&&(s=o.x),new G(s===null?e.x:s,c===null?e.y:c)}stop(e){if(!this.activeHandle)return;let t=new Vm({item:this.connection,undoLocks:[],redoLocks:[],undoPoints:this._initialPoints,redoPoints:this.connection.points(),routingMode:`manual`,sourceSide:null,targetSide:null});return this._resetFlags(),this.refresh(),t}refresh(){let e=this.activeHandle?.point.clone();this._createHandles(),e&&(this.activeHandle=this.handles.find(t=>t.point.equals(e))||null)}cancel(){this.activeHandle&&this._initialPoints&&(this._initialPoints&&(this.connection.points(this._initialPoints),this.connection.refresh()),this.refresh(),this._resetFlags())}_resetFlags(){this.activeHandle=null,this._firstMove=!1,this._initialPoints&&=void 0}},Vh=class{constructor(e){this.options=q({},e.options),this._c=e,this.visual=new Zf({...this.options,autoSize:!1}),this.refresh()}_hover(e){let t=this.options,n=t.hover,r=t.stroke,i=t.fill;e&&T(n.stroke)&&(r=q({},r,n.stroke)),e&&T(n.fill)&&(i=n.fill),this.visual.redraw({stroke:r,fill:i})}refresh(){let e=this._c.shape.diagram.modelToView(this._c.position()),t=e.minus(this._c.shape.bounds(`transformed`).topLeft()),n=new K(e.x,e.y,0,0),r=(this.options.stroke?.width||0)/2,i=Math.max(this.options.width,this.options.height);n.inflate(this.options.width/2+r+i,this.options.height/2+r+i),this._visualBounds=n,this.visual.redraw({center:new G(t.x,t.y)})}_hitTest(e){let t=this._c.shape.diagram.modelToView(e);return this._visualBounds.contains(t)}},Hh=class extends Cm{constructor(e,t){super(e,t),this._refreshHandler=e=>{e.item===this.shape&&this.refresh()}}show(e){if(this._paused)return;this._visible=!0,this.shape=e,this.diagram.bind(le,this._refreshHandler),this.connectors=[],this._clearVisual();let t=e.connectors.length;for(let n=0;n<t;n++){let t=new Vh(e.connectors[n]);this.connectors.push(t),this.visual.append(t.visual)}this.visual.visible(!0),this.refresh()}pause(){this._paused=!0,this.visual.visible(!1)}resume(){this._paused=!1}_clearVisual(){this.diagram._cachedTouchTarget?this._keepCachedTouchTarget():this.visual.clear()}_keepCachedTouchTarget(){let e=this.visual.children,t=e.length,n=ct(this.diagram._cachedTouchTarget,e);for(let r=t-1;r>=0;r--)r!==n&&this.visual.remove(e[r])}destroy(){this.diagram.unbind(le,this._refreshHandler),this.shape=void 0,this._visible=void 0,this.visual.visible(!1)}_hitTest(e){let t,n;for(n=0;n<this.connectors.length;n++)if(t=this.connectors[n],t._hitTest(e)){t._hover(!0),this.diagram.toolService._hoveredConnector=t;break}}refresh(){if(this.shape){let e=this.shape.bounds();e=this.diagram.modelToLayer(e),this.visual.position(e.topLeft()),this.connectors.forEach(function(e){e.refresh()})}}};function Uh(e){let t=e.options.editable;return t&&t.drag!==!1}var Wh=class{constructor(e,t,n){this.shapes=e,this.undoStates=t,this.title=`Transformation`,this.redoStates=[],this.adorner=n;for(let e=0;e<this.shapes.length;e++){let t=this.shapes[e];this.redoStates.push(t.bounds())}}undo(){for(let e=0;e<this.shapes.length;e++){let t=this.shapes[e];t.bounds(this.undoStates[e]),`layout`in t&&t.layout(t,this.redoStates[e],this.undoStates[e]),t.updateModel()}this.adorner&&(this.adorner.refreshBounds(),this.adorner.refresh())}redo(){for(let e=0;e<this.shapes.length;e++){let t=this.shapes[e];t.bounds(this.redoStates[e]),`layout`in t&&t.layout(t,this.undoStates[e],this.redoStates[e]),t.updateModel()}this.adorner&&(this.adorner.refreshBounds(),this.adorner.refresh())}};function Gh(e,t){let n;return e.x===-1&&e.y===-1?n=t.bottomRight():e.x===1&&e.y===1?n=t.topLeft():e.x===-1&&e.y===1?n=t.topRight():e.x===1&&e.y===-1?n=t.bottomLeft():e.x===0&&e.y===-1?n=t.bottom():e.x===0&&e.y===1?n=t.top():e.x===1&&e.y===0?n=t.left():e.x===-1&&e.y===0&&(n=t.right()),n}let Kh={handles:{fill:{color:`#fff`},stroke:{color:`#282828`},height:7,width:7,hover:{fill:{color:`#282828`},stroke:{color:`#282828`}}},selectable:{stroke:{color:`#778899`,width:1,dashType:`solid`},fill:{color:g},offset:3},offset:1};var qh=class extends Cm{constructor(e,t){t=q({},Kh,t);let n=e.options.editable;n&&typeof n!=`boolean`&&n.resize&&typeof n.resize!=`boolean`&&n.resize.offset!==void 0&&(t.offset=n.resize.offset);let r=e.options.selectable;r&&typeof r!=`boolean`&&r.offset!==void 0?t.selectionRectOffset=r.offset:t.selectionRectOffset=Kh.selectable.offset,super(e,t),this._manipulating=!1,this.map=[],this.shapes=[],this.shapeStates=[],this._initSelection(),this._createHandles(),this.redraw(),this.diagram.bind(`select`,()=>{this._initialize()}),this._refreshHandler=()=>{this._internalChange||(this.refreshBounds(),this.refresh())},this._rotatedHandler=()=>{this.shapes.length===1&&(this._angle=this.shapes[0].rotate().angle),this._refreshHandler()},this.diagram.bind(le,this._refreshHandler).bind(ce,this._rotatedHandler),this.refreshBounds(),this.refresh()}_initSelection(){let e=this.diagram,t=e.options.editable,n=e.options.selectable;t&&typeof t!=`boolean`&&t.resize&&typeof t.resize!=`boolean`&&t.resize.selectable&&(n=t.resize.selectable);let r=q({},this.options.selectable,n);this.rect=new X(r),this.visual.append(this.rect)}_resizable(){return this.options.editable&&this.options.editable.resize!==!1}_isResizeHandleAllowed(e){return!e||this.isDragHandle(e)||this.shapes.length===0?!0:this.shapes.every(t=>typeof t._resizeHandleAllowed!=`function`||t._resizeHandleAllowed(e))}_isResizeHandleVisible(e){if(!this._isResizeHandleAllowed(e))return!1;if(this.shapes.length!==1)return e&&e.x!==0&&e.y!==0;let t=this.shapes[0];return typeof t._resizeHandleVisible!=`function`||t._resizeHandleVisible(e)}_getResizeHandleVisualBounds(e,t){if(this.shapes.length!==1)return t;let n=this.shapes[0];return typeof n._resizeHandleVisualBounds==`function`&&n._resizeHandleVisualBounds(e,t,{zoom:this.diagram.zoom(),handles:this._handleOptions(),handleOffset:(this.options.selectionRectOffset-this.options.offset)*this.diagram.zoom()})||t}_handleOptions(){let e=(this.options.editable.resize||{}).handles;return e?q({},this.options.handles,e):this.options.handles}_createHandles(){let e,t,n,r;if(this._resizable())for(e=this._handleOptions(),r=-1;r<=1;r++)for(n=-1;n<=1;n++)(r!==0||n!==0)&&(t=new X(e),t.drawingElement._hover=this._hover.bind(this,new G(r,n)),this.map.push({x:r,y:n,visual:t}),this.visual.append(t))}bounds(e){if(e)this._innerBounds=e.clone(),this._bounds=this.diagram.modelToLayer(e).inflate(this.options.offset,this.options.offset);else return this._bounds}_hitTest(e){let t=this.map.length,n=this.diagram.modelToLayer(e),r,i,a,o;if(this._angle&&(n=n.clone().rotate(-this._angle,this._bounds.center())),this._resizable()){let e=this.diagram.modelToLayer(this._innerBounds),s=this.diagram.zoom(),c=this.options.selectionRectOffset*s,l=e.x-c,u=e.y-c;for(r=0;r<t;r++)if(o=this.map[r],o.x!==0&&o.y!==0){if(i=new G(o.x,o.y),!this._isResizeHandleAllowed(i))continue;if(a=this._getHandleBounds(i),a.offset(l,u),a.contains(n))return i}for(r=0;r<t;r++)if(o=this.map[r],o.x===0||o.y===0){if(i=new G(o.x,o.y),!this._isResizeHandleAllowed(i))continue;if(a=this._getHandleBounds(i),a.offset(l,u),a.contains(n))return i}}if(this._bounds.contains(n))return new G(0,0)}_getHandleBounds(e){if(this._resizable()){let t=this._handleOptions(),n=t.width,r=t.height,i=this.diagram.modelToLayer(this._innerBounds),a=this.diagram.zoom(),o=this.options.offset*a,s=this.options.selectionRectOffset*a-o,c=i.width-a,l=i.height-a,u=n*a,d=r*a,f;return e.x!==0&&e.y!==0?(f=new K(0,0,n,r),e.x<0?f.x=s-n/2:e.x>0&&(f.x=c+2*o+s-n/2),e.y<0?f.y=s-r/2:e.y>0&&(f.y=l+2*o+s-r/2)):e.x===0&&e.y!==0?f=new K(s,e.y<0?s-d/2:l+2*o+s-d/2,c+2*o,d):e.y===0&&e.x!==0&&(f=new K(e.x<0?s-u/2:c+2*o+s-u/2,s,u,l+2*o)),f}}_getCursor(e){let t=this._hitTest(e);if(t&&t.x>=-1&&t.x<=1&&t.y>=-1&&t.y<=1&&this._resizable()){let e=this._angle;if(e&&(t.rotate(e,new G(0,0)),t=new G(Math.round(t.x),Math.round(t.y))),t.x===-1&&t.y===-1)return`nw-resize`;if(t.x===1&&t.y===1)return`se-resize`;if(t.x===-1&&t.y===1)return`sw-resize`;if(t.x===1&&t.y===-1)return`ne-resize`;if(t.x===0&&t.y===-1)return`n-resize`;if(t.x===0&&t.y===1)return`s-resize`;if(t.x===1&&t.y===0)return`e-resize`;if(t.x===-1&&t.y===0)return`w-resize`}return this._manipulating?C.move:C.select}_initialize(){let e,t,n=this.diagram.select();for(this.shapes=[],e=0;e<n.length;e++)t=n[e],t instanceof $&&(this.shapes.push(t),t._rotationOffset=new G);this._angle=this.shapes.length===1?this.shapes[0].rotate().angle:0,this._startAngle=this._angle,this._rotates(),this._positions(),this.refreshBounds(),this.refresh(),this.redraw()}_rotates(){let e,t;for(this.initialRotates=[],e=0;e<this.shapes.length;e++)t=this.shapes[e],this.initialRotates.push(t.rotate().angle)}_positions(){let e,t;for(this.initialStates=[],e=0;e<this.shapes.length;e++)t=this.shapes[e],this.initialStates.push(t.bounds())}_hover(e,t,n){if(this._resizable()){if(!this._isResizeHandleVisible(e)){n.fill(`transparent`,0),n.stroke(`transparent`,0,0);return}let r=this._handleOptions(),i=r.hover,a=q({width:1},r.stroke),o=q({opacity:1},r.fill);a=q({opacity:1},a),t&&T(i.stroke)&&(a=q({},a,i.stroke)),t&&T(i.fill)&&(o=q({},o,i.fill)),n.stroke(a.color,a.width,a.opacity),n.fill(o.color,o.opacity)}}start(e,t){this._sp=e,this._cp=e,this._lp=e,this._interactionMeta=t||{},this._manipulating=!0,this._internalChange=!0,this.shapeStates=[];for(let e=0;e<this.shapes.length;e++){let t=this.shapes[e];this.shapeStates.push(t.bounds())}}redraw(){let e,t,n=this._resizable();for(e=0;e<this.map.length;e++)t=this.map[e],t.visual.visible(n&&this._isResizeHandleVisible(new G(t.x,t.y)))}angle(e){return E(e)&&(this._angle=e),this._angle}rotate(){let e=this._innerBounds.center(),t=this.angle();this._internalChange=!0;for(let n=0;n<this.shapes.length;n++){let r=this.shapes[n];t=(t+this.initialRotates[n]-this._startAngle)%360,r.rotate(t,e)}this.refresh()}move(e,t,n){let r,i,a=new G,o=new G,s,c,l,u,d,f,p=0,m,h,g;if(!(!this.isDragHandle(e)&&!this._isResizeHandleAllowed(e))){if(this._interactionMeta=n||this._interactionMeta||{},e.y===-2&&e.x===-1){for(c=this._innerBounds.center(),this._angle=this._truncateAngle(at(c,t)),u=0;u<this.shapes.length;u++)l=this.shapes[u],d=(this._angle+this.initialRotates[u]-this._startAngle)%360,l.rotate(d,c),Object.prototype.hasOwnProperty.call(l,`layout`)&&l.layout(l),this._rotating=!0;this.refresh()}else{if(this.shouldSnap()){let e=this._truncateDistance(t.minus(this._lp));if(e.x===0&&e.y===0){this._cp=t;return}r=e,this._lp=new G(this._lp.x+e.x,this._lp.y+e.y)}else r=t.minus(this._cp);for(this.isDragHandle(e)?(o=a=r,i=!0):(this._angle&&r.rotate(-this._angle,new G(0,0)),this._preserveAspectRatio(e,this._interactionMeta)&&(r=this._projectResizeDelta(e,r)),e.x===-1?a.x=r.x:e.x===1&&(o.x=r.x),e.y===-1?a.y=r.y:e.y===1&&(o.y=r.y)),i||(m=Gh(e,this._innerBounds),h=(this._innerBounds.width+r.x*e.x)/this._innerBounds.width,g=(this._innerBounds.height+r.y*e.y)/this._innerBounds.height),u=0;u<this.shapes.length;u++){if(l=this.shapes[u],s=l.bounds(),i){if(!Uh(l))continue;f=this._displaceBounds(s,a,o,i)}else f=this._scaleBounds(s,h,g,m,l.rotate().angle);if(f.width>=l.options.minWidth&&f.height>=l.options.minHeight){let e=s;l.bounds(f),Object.prototype.hasOwnProperty.call(l,`layout`)&&l.layout(l,e,f),(e.width!==f.width||e.height!==f.height)&&l.rotate(l.rotate().angle),p+=1}}if(p){let e=this.shapes.some(e=>typeof e._usesDynamicResizeBounds==`function`&&e._usesDynamicResizeBounds());p===u&&!e?(f=i?this._displaceBounds(this._innerBounds,a,o,i):this._scaleBounds(this._innerBounds,h,g,m,this._angle),this.bounds(f)):this.refreshBounds(),this.refresh()}this._positions()}this._cp=t}}isDragHandle(e){return e.x===0&&e.y===0}cancel(){let e=this.shapes,t=this.shapeStates;for(let n=0;n<e.length;n++)e[n].bounds(t[n]);this.refreshBounds(),this.refresh(),this._interactionMeta=void 0,this._manipulating=void 0,this._internalChange=void 0,this._rotating=void 0}_preserveAspectRatio(e,t){return e.x===0||e.y===0?!1:t?.shiftKey?!0:this.shapes.some(e=>e._fixedAspectRatioOnResize())}_projectResizeDelta(e,t){let n=new G(e.x*this._innerBounds.width,e.y*this._innerBounds.height),r=n.lengthSquared();if(!r)return t;let i=(t.x*n.x+t.y*n.y)/r;return n.times(i)}_scaleBounds(e,t,n,r,i){let a=e.clone();a.scale(t,n,r,this._innerBounds.center(),i);let o=a.center();return o.rotate(-this._angle,e.center()),new K(o.x-a.width/2,o.y-a.height/2,a.width,a.height)}_truncatePositionToGuides(e){return this.diagram.ruler?this.diagram.ruler.truncatePositionToGuides(e):e}_truncateSizeToGuides(e){return this.diagram.ruler?this.diagram.ruler.truncateSizeToGuides(e):e}_truncateAngle(e){let t=this.snapOptions(),n=Math.max(t.angle||10,5);return t?Math.floor(e%360/n)*n:e%360}_truncateDistance(e){if(e instanceof G)return new G(this._truncateDistance(e.x),this._truncateDistance(e.y));{let t=this.snapOptions()||{},n=Math.max(t.size||10,5);return t?Math.floor(e/n)*n:e}}snapOptions(){return((this.diagram.options.editable||{}).drag||{}).snap||{}}shouldSnap(){let e=this.diagram.options.editable,t=(e||{}).drag,n=(t||{}).snap;return e!==!1&&t!==!1&&n!==!1}_displaceBounds(e,t,n,r){let i=e.topLeft().plus(t),a=e.bottomRight().plus(n),o=K.fromPoints(i,a),s;return r||(s=o.center(),s.rotate(-this._angle,e.center()),o=new K(s.x-o.width/2,s.y-o.height/2,o.width,o.height)),o}stop(){let e,t,n,r;if(this._cp!==this._sp){if(this._rotating)e=new $m(this,this.shapes,this.initialRotates),this._rotating=!1;else if(this._diffStates()){if(this.diagram.ruler)for(t=0;t<this.shapes.length;t++)n=this.shapes[t],r=n.bounds(),r=this._truncateSizeToGuides(this._truncatePositionToGuides(r)),n.bounds(r),this.refreshBounds(),this.refresh();for(t=0;t<this.shapes.length;t++){n=this.shapes[t],r=n.bounds();let e=n.shapeVisual?.options.stroke?.width||0;n._originalWidth+e!==r.width&&(n._originalWidth=r.width-e),n._originalHeight+e!==r.height&&(n._originalHeight=r.height-e),n.updateModel()}e=new Wh(this.shapes,this.shapeStates,this),this.diagram._syncShapeChanges()}}return this._interactionMeta=void 0,this._manipulating=void 0,this._internalChange=void 0,this._rotating=void 0,e}_diffStates(){let e=this.shapes,t=this.shapeStates;for(let n=0;n<e.length;n++)if(!e[n].bounds().equals(t[n]))return!0;return!1}refreshBounds(){let e=this.shapes.length===1?this.shapes[0].bounds().clone():this.diagram.boundingBox(this.shapes,!0);this.bounds(e)}refresh(){let e,t;if(this.shapes.length>0){t=this.bounds(),this.visual.visible(!0);let n=this.diagram.modelToLayer(this._innerBounds),r=this.diagram.zoom(),i=this.options.selectionRectOffset*r;this.visual.position(new G(n.x-i,n.y-i));let a=this._handleOptions(),o=q({opacity:1},a.fill),s=q({width:1,opacity:1},a.stroke);this.map.forEach(t=>{let n=new G(t.x,t.y),r=this._isResizeHandleVisible(n);e=this._getHandleBounds(n);let i=this._getResizeHandleVisualBounds(n,e);t.visual.position(i.topLeft()),t.visual.redraw({width:i.width,height:i.height,fill:r?o:{color:`transparent`,opacity:0},stroke:r?s:{color:`transparent`,width:0,opacity:0}}),t.visual.visible(r)});let c=new G(n.width/2+i,n.height/2+i);if(this.visual.rotate(this._angle,c),this.rect.position(new G(0,0)),this.rect.redraw({width:n.width+2*i,height:n.height+2*i}),this.rotationThumb){let e=this.options.editable.rotate.thumb;this._rotationThumbBounds=new K(t.center().x,t.y+e.y,0,0).inflate(e.width),this.rotationThumb.redraw({x:t.width/2-e.width/2})}}else this.visual.visible(!1)}};let Jh={stroke:{color:`#778899`,width:1,dashType:`dash`},fill:{color:g}};var Yh=class{constructor(e){let t=e.options.selectable;this.options=q({},Jh,t),this.visual=new X(this.options),this.diagram=e}start(e){this._sp=this._ep=e,this.refresh(),this.diagram._adorn(this,!0)}end(){this._sp=this._ep=void 0,this.diagram._adorn(this,!1)}bounds(e){return e&&(this._bounds=e),this._bounds}move(e){this._ep=e,this.refresh()}refresh(){if(this._sp){let e=K.fromPoints(this.diagram.modelToLayer(this._sp),this.diagram.modelToLayer(this._ep));this.bounds(K.fromPoints(this._sp,this._ep)),this.visual.position(e.topLeft()),this.visual.redraw({height:e.height+1,width:e.width+1})}}},Xh=class{constructor(){}},Zh=class extends Xh{constructor(e){super(),this.connection=e}hitTest(e){return this.getBounds().inflate(10).contains(e)?At.distanceToPolyline(e,this.connection.allPoints())<10:!1}getBounds(){let e=this.connection.allPoints(),t=e[0],n=e[e.length-1],r=Math.max(t.x,n.x),i=Math.min(t.x,n.x),a=Math.min(t.y,n.y),o=Math.max(t.y,n.y);for(let t=1;t<e.length-1;++t)r=Math.max(r,e[t].x),i=Math.min(i,e[t].x),a=Math.min(a,e[t].y),o=Math.max(o,e[t].y);return new K(i,a,r-i,o-a)}};let Qh=`topLeft`,$h=`bottomRight`;var eg=class extends Zh{constructor(e){super(e),this.SAME_SIDE_DISTANCE_RATIO=5,this._connectorSides=[{name:`Top`,axis:`y`,boundsPoint:Qh,secondarySign:1},{name:re,axis:`x`,boundsPoint:Qh,secondarySign:1},{name:ie,axis:`y`,boundsPoint:$h,secondarySign:-1},{name:ne,axis:`x`,boundsPoint:$h,secondarySign:-1}],this.connection=e}routePoints(e,t,n,r){let i=n?this._connectorSide(n,t):null,a=r?this._connectorSide(r,e):null;return this._createRoute(e,t,i,a,n)}route(){let e=this.connection._resolvedSourceConnector,t=this.connection._resolvedTargetConnector,n=this.connection.sourcePoint(),r=this.connection.targetPoint(),i=Rm([n,...this.routePoints(n,r,e,t),r]);this.connection.points(i.slice(1,-1))}_createRoute(e,t,n,r,i){let a=i||this.connection._resolvedSourceConnector,o={source:e,target:t,sourceSide:n,targetSide:r||Bm(e,t,this.connection.previewState,{hysteresis:8}),locks:this.connection.locks,anchorOffset:this.connection.options.anchorOffset,sameSideDistance:a?this._sameSideDistance(a):void 0},s=Im(o,this.connection.pointsEditable());return this.connection.route=s,this.connection.buildOptions=o,s.points}_connectorSide(e,t){let n=e.positionWithoutOffset(),r=e.shape.bounds(ge),i={topLeft:r.topLeft(),bottomRight:r.bottomRight()},a=this._connectorSides,o=Number.MAX_VALUE,s,c,l,u;for(let e=0;e<a.length;e++)u=a[e],l=u.axis,s=Math.round(Math.abs(n[l]-i[u.boundsPoint][l])),s<o?(o=s,c=u):s===o&&(n[l]-t[l])*u.secondarySign>(n[c.axis]-t[c.axis])*c.secondarySign&&(c=u);return c.name}_sameSideDistance(e){let t=e.shape.bounds(ge);return Math.min(t.width,t.height)/this.SAME_SIDE_DISTANCE_RATIO}},tg=class extends Zh{constructor(e){super(e),this.connection=e}route(){}_connectorSide(e,t){return null}},ng=class{constructor(e){this.toolService=e,this.type=`ConnectionTool`}tryActivate(e,t){let n=this.toolService,r=n.diagram.options.selectable,i=n.hoveredItem,a=r!==!1&&i&&i.path&&!(i.isSelected&&t.ctrlKey);return a&&(this._c=i),a}start(e,t,n){let r=this.toolService,i=this._c;r.selectSingle(i,t);let a=i.adorner,o,s;a&&(o=a._hitTest(e),s=ye[o]),Uh(i)&&a&&!r.diagram.trigger(`dragStart`,{shapes:[],connections:[i],connectionHandle:s,point:e,meta:t,nativeEvent:n})?(this.handle=o,this.handleName=s,a.start(e)):(r.startPoint=e,r.end(e,t,n))}move(e,t,n){let r=this._c.adorner;if(Uh(this._c)&&r)return r.move(this.handle,e),this.toolService.diagram.trigger(oe,{shapes:[],connections:[this._c],connectionHandle:this.handleName,point:e,meta:t,nativeEvent:n}),!0}end(e,t,n){let r=this._c,i=r.adorner,a=this.toolService.diagram;if(i&&Uh(r)){let o=i.stop(e);a.trigger(`dragEnd`,{shapes:[],connections:[r],connectionHandle:this.handleName,point:e,meta:t,nativeEvent:n})?o.undo():(a.undoRedoService.add(o,!1),r.updateModel(),a._syncConnectionChanges())}}getCursor(){return C.move}},rg=class{constructor(e){this.toolService=e,this.type=`ConnectionTool`}tryActivate(){return this.toolService._hoveredConnector}start(e,t,n){let r=this.toolService,i=r.diagram,a=r._hoveredConnector,o=i._createConnection({},a._c,e);Uh(o)&&!i.trigger(`dragStart`,{shapes:[],connections:[o],connectionHandle:`target`,point:e,meta:t,nativeEvent:n})&&i._addConnection(o)?(r._connectionManipulation(o,a._c.shape,!0),r._removeHover(),r.selectSingle(r.activeConnection,t),t.type===`touchmove`&&(i._cachedTouchTarget=a.visual)):(o.source(null),r.end(e,t,n))}move(e,t,n){let r=this.toolService,i=r.activeConnection,a=e,o=r._hoveredConnector;return o&&o._c!==i.sourceConnector&&(a=o._c.positionWithoutOffset()),i.target(a),r.diagram.trigger(oe,{shapes:[],connections:[i],connectionHandle:ve,point:e,meta:t,nativeEvent:n}),!0}end(e,t,n){let r=this.toolService,i=r.diagram,a=r.activeConnection,o=r.hoveredItem,s=r._hoveredConnector,c=i._cachedTouchTarget,l;a&&(l=s&&s._c!==a.sourceConnector?s._c:o&&o instanceof $?o.getConnector(`Auto`)||o.getConnector(e):e,a.target(l),i.trigger(`dragEnd`,{shapes:[],connections:[a],connectionHandle:`target`,point:e,meta:t,nativeEvent:n})?(i.remove(a,!1),i.undoRedoService.pop()):(a.updateModel(),i._syncConnectionChanges()),r._connectionManipulation(),c&&(i._connectorsAdorner.visual.remove(c),i._cachedTouchTarget=null))}getCursor(){return C.arrow}},ig=class{constructor(e){this.toolService=e}start(){}move(){}end(){}tryActivate(){return!1}getCursor(){return C.arrow}};function ag(e){return e.ctrlKey===!1&&e.altKey===!1&&e.shiftKey===!1}var og=class{constructor(e){this.toolService=e}tryActivate(){return!0}start(e,t,n){let r=this.toolService,i=r.diagram,a=r.hoveredItem;a&&(r.selectSingle(a,t),a.adorner&&(this.adorner=a.adorner,this.handle=this.adorner._hitTest(e))),this.handle||(this.handle=i._resizingAdorner._hitTest(e),this.handle&&(this.adorner=i._resizingAdorner)),this.adorner&&(!this.adorner.isDragHandle(this.handle)||!i.trigger(`dragStart`,{shapes:this.adorner.shapes,connections:[],point:e,nativeEvent:n,meta:t})?this.adorner.start(e,t):(r.startPoint=e,r.end(e,t,n)))}move(e,t,n){this.adorner&&(this.adorner.move(this.handle,e,t),this.adorner.isDragHandle(this.handle)&&this.toolService.diagram.trigger(oe,{shapes:this.adorner.shapes,connections:[],point:e,meta:t,nativeEvent:n}))}end(e,t,n){let r=this.toolService.diagram,i=this.adorner,a;i&&(!i.isDragHandle(this.handle)||!r.trigger(`dragEnd`,{shapes:i.shapes,connections:[],point:e,meta:t,nativeEvent:n})?(a=i.stop(),a&&r.undoRedoService.add(a,!1)):i.cancel()),this.adorner=void 0,this.handle=void 0}getCursor(e){return this.toolService.hoveredItem?this.toolService.hoveredItem._getCursor(e):C.arrow}};let sg={down:`pointerdown`,move:`pointermove`,up:`pointerup`,cancel:`pointercancel pointerleave`};function cg(e){return sg[e]||e}let lg=e=>e.replace(/([^ ]+)/g,cg),ug=Jn,dg=function(e,t,n){return`translate3d(`+e+`px,`+t+`px,0) scale(`+n+`)`};var fg=class extends Ct{constructor(e,t){super();let n=e[0]||e;this.element=n,this.capture=!1,this._pressHandler=this._press.bind(this),this._releaseHandler=this._release.bind(this),sg.down.split(` `).forEach(e=>{n.addEventListener(e,this._pressHandler,!0)}),sg.up.split(` `).forEach(e=>{n.addEventListener(e,this._releaseHandler,!0)}),this.bind([`press`,`release`],t||{})}captureNext(){this.capture=!0}cancelCapture(){this.capture=!1}_press(e){this.trigger(`press`),this.capture&&e.preventDefault()}_release(e){this.trigger(`release`),this.capture&&(e.preventDefault(),this.cancelCapture())}destroy(){let e=this.element;sg.down.split(` `).forEach(t=>{e.removeEventListener(t,this._pressHandler,!0)}),sg.up.split(` `).forEach(t=>{e.removeEventListener(t,this._releaseHandler,!0)})}},pg=class extends Ct{constructor(e){super(),this.forcedEnabled=!1,uh(this,e),this.scale=1,this.horizontal?(this.measure=`offsetWidth`,this.scrollSize=`scrollWidth`,this.axis=`x`):(this.measure=`offsetHeight`,this.scrollSize=`scrollHeight`,this.axis=`y`)}makeVirtual(){uh(this,{virtual:!0,forcedEnabled:!0,_virtualMin:0,_virtualMax:0})}virtualSize(e,t){(this._virtualMin!==e||this._virtualMax!==t)&&(this._virtualMin=e,this._virtualMax=t,this.update())}outOfBounds(e){return e>this.max||e<this.min}forceEnabled(){this.forcedEnabled=!0}getSize(){return this.container[this.measure]}getTotal(){return this.element[this.scrollSize]}rescale(e){this.scale=e}update(e){let t=this.virtual?this._virtualMax:this.getTotal(),n=t*this.scale,r=this.getSize();t===0&&!this.forcedEnabled||(this.max=this.virtual?-this._virtualMin:0,this.size=r,this.total=n,this.min=Math.min(this.max,r-n),this.minScale=r/t,this.centerOffset=(n-r)/2,this.enabled=this.forcedEnabled||n>r,e||this.trigger(te,this))}},mg=class extends Ct{constructor(e){super(),this.x=new pg(uh({horizontal:!0},e)),this.y=new pg(uh({horizontal:!1},e)),this.container=e.container,this.forcedMinScale=e.minScale,this.maxScale=e.maxScale||100,this.bind(te,e)}rescale(e){this.x.rescale(e),this.y.rescale(e),this.refresh()}centerCoordinates(){return{x:Math.min(0,-this.x.centerOffset),y:Math.min(0,-this.y.centerOffset)}}refresh(){this.x.update(),this.y.update(),this.enabled=this.x.enabled||this.y.enabled,this.minScale=this.forcedMinScale||Math.min(this.x.minScale,this.y.minScale),this.fitScale=Math.max(this.x.minScale,this.y.minScale),this.trigger(te)}},hg=class extends Ct{constructor(e){super(),uh(this,e)}outOfBounds(){return this.dimension.outOfBounds(this.movable[this.axis])}dragMove(e){let t=this.dimension,n=this.axis,r=this.movable,i=r[n]+e;if(!t.enabled)return;let a=e;(i<t.min&&e<0||i>t.max&&e>0)&&(a*=this.resistance),r.translateAxis(n,a),this.trigger(te,this)}},gg=class{constructor(e){let t,n;uh(this,{elastic:!0},e);let r=this.elastic?.5:0,i=this.movable;this.x=t=new hg({axis:`x`,dimension:this.dimensions.x,resistance:r,movable:i}),this.y=n=new hg({axis:`y`,dimension:this.dimensions.y,resistance:r,movable:i}),this.userEvents.bind([`press`,`move`,`end`,`gesturestart`,`gesturechange`],{gesturestart(e){this.gesture=e,this.offset=ug(this.dimensions.container)},press(e){let t=e.event.target.closest(`a`);t&&t.matches(`[data-navigate-on-press=true]`)&&e.sender.cancel()},gesturechange(e){let r=this.gesture,a=r.center,o=e.center,s=this.dimensions.minScale,c=this.dimensions.maxScale,l=e.distance/r.distance;i.scale<=s&&l<1&&(l+=(1-l)*.8),i.scale*l>=c&&(l=c/i.scale);let u=i.x+this.offset.left,d=i.y+this.offset.top,f={x:(u-a.x)*l+o.x-u,y:(d-a.y)*l+o.y-d};i.scaleWith(l),t.dragMove(f.x),n.dragMove(f.y),this.dimensions.rescale(i.scale),this.gesture=e,e.preventDefault()},move(e){e.event.target.tagName.match(/textarea|input/i)||(t.dimension.enabled||n.dimension.enabled?(t.dragMove(e.x.delta),n.dragMove(e.y.delta),e.preventDefault()):e.touch.skip())},end(e){e.preventDefault()}})}},_g=class extends Ct{constructor(e){super(),this.element=e,this.element.style.transformOrigin=`left top`,this.x=0,this.y=0,this.scale=1;let t=dg(this.x,this.y,this.scale);this.element.style.transform=t,this._saveCoordinates(t)}translateAxis(e,t){this[e]+=t,this.refresh()}scaleTo(e){this.scale=e,this.refresh()}scaleWith(e){this.scale*=e,this.refresh()}translate(e){this.x+=e.x,this.y+=e.y,this.refresh()}moveAxis(e,t,n=!1){this[e]=t,this.refresh(n)}moveTo(e,t=!1){uh(this,e),this.refresh(t)}refresh(e=!1){let t=this.x,n=this.y;this.round&&(t=Math.round(t),n=Math.round(n));let r=dg(t,n,this.scale);r!==this.coordinates&&(this.element.style.transform=r,this._saveCoordinates(r),e||this.trigger(te))}_saveCoordinates(e){this.coordinates=e}};function vg(e){window.requestAnimationFrame(e)}var yg=class{constructor(){this._tickProxy=()=>this._tick(),this._started=!1}tick(){}done(){return!1}onEnd(){}onCancel(){}start(){this.enabled()&&(this.done()?this.onEnd():(this._started=!0,vg(this._tickProxy)))}enabled(){return!0}cancel(){this._started=!1,this.onCancel()}_tick(){this._started&&(this.tick(),this.done()?(this._started=!1,this.onEnd()):vg(this._tickProxy))}},bg=class extends yg{constructor(e){super(),uh(this,e)}done(){return this.timePassed()>=this.duration}timePassed(){return Math.min(this.duration,dh()-this.startDate)}moveTo(e){let t=this.movable;this.initial=t[this.axis],this.delta=e.location-this.initial,this.duration=typeof e.duration==`number`?e.duration:300,this.tick=this._easeProxy(e.ease),this.startDate=dh(),this.start()}_easeProxy(e){return function(){this.movable.moveAxis(this.axis,e(this.timePassed(),this.initial,this.delta,this.duration))}}static easeOutExpo(e,t,n,r){return e===r?t+n:n*(-(2**(-10*e/r))+1)+t}};function xg(){let e=``,t,n;for(t=0;t<32;t++)n=Math.floor(Math.random()*16),(t===8||t===12||t===16||t===20)&&(e+=`-`),e+=(t===12?4:t===16?n%4+8:n).toString(16);return e}let Sg=new WeakMap,Cg=Symbol(`id`);function wg(e,t,n,r,i){Dg(e,t,n,r,i)}function Tg(e,t,n,r){kg(e,t,n,r)}function Eg(e){return typeof e==`string`}function Dg(e,t,n,r,i){(Array.isArray(t)?t:(t||``).split(` `)).forEach(function(t){Og(e,t,n,r,i)})}function Og(e,t,n,r,i){let a=r,o;n&&He(n)&&!r?a=n:n&&Eg(n)&&He(a)&&(o=n);let s=function(t){let n=t.target?t.target.closest(o):null;if(!o||o&&t.target&&n){let r=o?n:t.currentTarget;Object.defineProperty(t,"currentTarget",{value:r}),Object.defineProperty(t,"delegateTarget",{value:e}),a(t)}};a[Cg]||(a[Cg]=xg());let c=Sg.get(e);c||(c=new Map,Sg.set(e,c)),c.set(t+a[Cg],s),e.addEventListener(t,s,!!i)}function kg(e,t,n,r){(Array.isArray(t)?t:(t||``).split(` `)).forEach(function(t){Ag(e,t,n,r)})}function Ag(e,t,n,r){let i=Sg.get(e);if(i&&n&&n[Cg]){let a=t+n[Cg],o=i.get(a);i.delete(a),o&&e.removeEventListener(t,o,!!r)}}function jg(e,t){let n=e.length,r=[];for(let i=0;i<n;i++)t(e[i])&&r.push(e[i]);return r}let Mg=e=>{e.preventDefault()},Ng=()=>{},Pg=`press`,Fg=`hold`,Ig=`select`,Lg=`start`,Rg=`move`,zg=`cancel`,Bg=`doubleTap`,Vg=`release`,Hg=`gesturechange`,Ug=`gestureend`,Wg=`gesturetap`,Gg={api:0,touch:0,mouse:3,pointer:3},Kg=800,qg=0;function Jg(e,t){let n=e.x.location,r=e.y.location,i=t.x.location,a=t.y.location,o=n-i,s=r-a;return{center:{x:(n+i)/2,y:(r+a)/2},distance:Math.sqrt(o*o+s*s)}}function Yg(e){let t=[],n=e.originalEvent||e,r=e.currentTarget;return e.api?t.push({id:2,event:e,target:e.target,currentTarget:e.target,location:e,type:`api`}):t.push({location:n,event:e,target:e.target,currentTarget:r,id:n.pointerId,type:`pointer`}),t}var Xg=class{constructor(e,t){this.support=sh(),this.invalidZeroEvents=this.support.mobileOS&&this.support.mobileOS.android,this.axis=e,this._updateLocationData(t),this.startLocation=this.location,this.velocity=this.delta=0,this.timeStamp=dh()}move(e){let t=e[`page`+this.axis],n=dh(),r=n-this.timeStamp||1;!t&&this.invalidZeroEvents||(this.delta=t-this.location,this._updateLocationData(e),this.initialDelta=t-this.startLocation,this.velocity=this.delta/r,this.timeStamp=n)}_updateLocationData(e){let t=this.axis;this.location=e[`page`+t],this.client=e[`client`+t],this.screen=e[`screen`+t]}},Zg=class{constructor(e,t,n){uh(this,{x:new Xg(`X`,n.location),y:new Xg(`Y`,n.location),type:n.type,threshold:e.threshold||Gg[n.type],userEvents:e,target:t,currentTarget:n.currentTarget,initialTouch:n.target,id:n.id,pressEvent:n,_clicks:e._clicks,supportDoubleTap:e.supportDoubleTap,_moved:!1,_finished:!1})}press(){this._holdTimeout=setTimeout(()=>this._hold(),this.userEvents.minHold),this._trigger(Pg,this.pressEvent)}_tap(e){this.userEvents._clicks++,this.userEvents._clicks===1&&(this._clickTimeout=setTimeout(()=>{this.userEvents._clicks===1?this._trigger(`tap`,e):this._trigger(Bg,e),this.userEvents._clicks=0},300))}_hold(){this._trigger(Fg,this.pressEvent)}move(e){let t=e.type!==`api`&&this.userEvents._shouldNotMove;if(!(this._finished||t)){if(this.x.move(e.location),this.y.move(e.location),!this._moved){if(this._withinIgnoreThreshold())return;if(!$g.current||$g.current===this.userEvents)this._start(e);else return this.dispose()}this._finished||this._trigger(Rg,e)}}end(e){this.endTime=dh(),!this._finished&&(this._finished=!0,this._trigger(Vg,e),this._moved?this._trigger(`end`,e):this.supportDoubleTap?this._tap(e):this._trigger(`tap`,e),clearTimeout(this._holdTimeout),this.dispose())}dispose(){let e=this.userEvents.touches||[];this._finished=!0,this.pressEvent=null,clearTimeout(this._holdTimeout);let t=e.indexOf(this);e.splice(t,1)}skip(){this.dispose()}cancel(){this.dispose()}isMoved(){return this._moved}_start(e){clearTimeout(this._holdTimeout),this.startTime=dh(),this._moved=!0,this._trigger(Lg,e)}_trigger(e,t){let n=t.event,r={touch:this,x:this.x,y:this.y,target:this.target,event:n};this.userEvents.notify(e,r)&&n.preventDefault()}_withinIgnoreThreshold(){let e=this.x.initialDelta,t=this.y.initialDelta;return Math.sqrt(e*e+t*t)<=this.threshold}};function Qg(e){let t=sg.up.split(` `),n=t.length;for(let r=0;r<n;r++)e(t[r])}var $g=class e extends Ct{constructor(e,t){super();let n=sh();this.support=n,t||={},this.options=t;let r=this.filter=t.filter;if(this.threshold=t.threshold||qg,this.minHold=t.minHold||Kg,this.touches=[],this._maxTouches=t.multiTouch?2:1,this.allowSelection=t.allowSelection,this.captureUpIfMoved=t.captureUpIfMoved,this._clicks=0,this.supportDoubleTap=t.supportDoubleTap,uh(this,{element:e,surface:t.surface||e,stopPropagation:t.stopPropagation,pressed:!1}),this._surfaceMoveHandler=this._move.bind(this),wg(this.surface,lg(`move`),this._surfaceMoveHandler),this._surfaceEndHandler=this._end.bind(this),wg(this.surface,lg(`up cancel`),this._surfaceEndHandler),this._elementStartHandler=this._start.bind(this),wg(e,lg(`down`),r,this._elementStartHandler),e.style[`touch-action`]=t.touchAction||`none`,t.preventDragEvent&&(this._elementDragStartHandler=Mg,wg(e,lg(`dragstart`),this._elementDragStartHandler)),this._elementSelectHandler=this._select.bind(this),wg(e,lg(`mousedown`),r,this._elementSelectHandler),this.captureUpIfMoved){let e=this.surface;this.preventIfMovingProxy=this.preventIfMoving.bind(this),Qg(t=>{e.addEventListener(t,this.preventIfMovingProxy,!0)})}this.bind([Pg,Fg,`tap`,Bg,Lg,Rg,`end`,Vg,zg,`gesturestart`,Hg,Ug,Wg,Ig],t)}preventIfMoving(e){this._isMoved()&&e.preventDefault()}destroy(){let e=this.options,t=this.element;if(!this._destroyed){if(this._destroyed=!0,this.captureUpIfMoved){let e=this.surface;Qg(t=>{e.removeEventListener(t,this.preventIfMovingProxy,!0)})}Tg(this.surface,lg(`move`),this._surfaceMoveHandler),Tg(this.surface,lg(`up cancel`),this._surfaceEndHandler),Tg(t,lg(`down`),this._elementStartHandler),e.preventDragEvent&&Tg(t,lg(`dragstart`),this._elementDragStartHandler),Tg(t,lg(`mousedown`),this._elementSelectHandler),this._disposeAll(),this.unbind(),delete this.surface,delete this.element,delete this.currentTarget}}capture(){e.current=this}cancel(){this._disposeAll(),this.trigger(zg)}notify(e,t){let n=this.touches,r=e;if(this._isMultiTouch()){switch(r){case Rg:r=Hg;break;case`end`:r=Ug;break;case`tap`:r=Wg;break;default:break}uh(t,{touches:n},Jg(n[0],n[1]))}return this.trigger(r,uh(t,{type:r}))}press(e,t,n){this._apiCall(`_start`,e,t,n)}move(e,t){this._apiCall(`_move`,e,t)}end(e,t){this._apiCall(`_end`,e,t)}_isMultiTouch(){return this.touches.length>1}_maxTouchesReached(){return this.touches.length>=this._maxTouches}_disposeAll(){let e=this.touches;for(;e.length>0;)e.pop().dispose()}_isMoved(){return jg(this.touches,function(e){return e.isMoved()}).length}_select(e){(!this.allowSelection||this.trigger(Ig,{event:e}))&&e.preventDefault()}_start(t){if(t.which&&t.which>1||this._maxTouchesReached())return;e.current=null,this.currentTarget=t.currentTarget,this.stopPropagation&&t.stopPropagation();let n,r=Yg(t);for(let e=0;e<r.length&&!this._maxTouchesReached();e++){let t=r[e];if(n=this.filter?t.currentTarget:this.element,n&&n.length===0)continue;let i=new Zg(this,n,t);this.touches.push(i),i.press(),this._isMultiTouch()&&this.notify(`gesturestart`,{})}}_move(e){this._eachTouch(`move`,e)}_end(e){this._eachTouch(`end`,e)}_eachTouch(e,t){let n={},r=Yg(t),i=this.touches,a,o,s,c;for(a=0;a<i.length;a++)o=i[a],n[o.id]=o;for(a=0;a<r.length;a++)s=r[a],c=n[s.id],c&&(e===`move`&&s.type===`pointer`&&!this.surface.hasPointerCapture(s.id)&&this.surface.setPointerCapture(s.id),c[e](s))}_apiCall(e,t,n,r){this[e]({api:!0,pageX:t,pageY:n,clientX:t,clientY:n,target:r||this.element,stopPropagation:Ng,preventDefault:Ng})}static defaultThreshold(e){qg=e}static minHold(e){Kg=e}};let e_=Object.assign,t_=Math.abs,n_=`change`,r_=`scroll`;var i_=class extends yg{constructor(e){super(),e_(this,e),this.userEvents.bind(`gestureend`,this.start.bind(this)),this.tapCapture.bind(`press`,this.cancel.bind(this))}enabled(){return this.movable.scale<this.dimensions.minScale}done(){return this.dimensions.minScale-this.movable.scale<.01}tick(){let e=this.movable;e.scaleWith(1.1),this.dimensions.rescale(e.scale)}onEnd(){let e=this.movable;e.scaleTo(this.dimensions.minScale),this.dimensions.rescale(e.scale)}},a_=class extends yg{constructor(e){super(),e_(this,e,{transition:new bg({axis:e.axis,movable:e.movable,onEnd:()=>{this._end()}})}),this.tapCapture.bind(`press`,()=>{this.cancel()}),this.userEvents.bind(`end`,()=>this.start()),this.userEvents.bind(`gestureend`,()=>this.start()),this.userEvents.bind(`tap`,()=>this.onEnd())}onCancel(){this.transition.cancel()}freeze(e){this.cancel(),this._moveTo(e)}onEnd(){this.paneAxis.outOfBounds()?this._snapBack():this._end()}done(){return t_(this.velocity)<1}start(e){let t;this.dimension.enabled&&(this.paneAxis.outOfBounds()?this.transition._started?(this.transition.cancel(),this.velocity=Math.min(e.touch[this.axis].velocity*this.velocityMultiplier,55),super.start()):this._snapBack():(t=e?e.touch.id===2?0:e.touch[this.axis].velocity:0,this.velocity=Math.max(Math.min(t*this.velocityMultiplier,55),-55),this.tapCapture.captureNext(),super.start()))}tick(){let e=this.dimension,t=this.paneAxis.outOfBounds()?.5:this.friction,n=this.velocity*=t,r=this.movable[this.axis]+n;!this.elastic&&e.outOfBounds(r)&&(r=Math.max(Math.min(r,e.max),e.min),this.velocity=0),this.movable.moveAxis(this.axis,r)}_end(){this.tapCapture.cancelCapture(),this.end()}end(){}_snapBack(){let e=this.dimension,t=this.movable[this.axis]>e.max?e.max:e.min;this._moveTo(t)}_moveTo(e){this.transition.moveTo({location:e,duration:500,ease:(...e)=>{bg.easeOutExpo.apply(null,e)}})}},o_=class extends yg{constructor(e){super(),e_(this,e,{origin:{},destination:{},offset:{}})}moveTo(e){}tick(){this._updateCoordinates(),this.moveTo(this.origin)}done(){return t_(this.offset.y)<5&&t_(this.offset.x)<5}onEnd(){this.moveTo(this.destination),this.callback&&this.callback.call()}setCoordinates(e,t){this.offset={},this.origin=e,this.destination=t}setCallback(e){e&&He(e)?this.callback=e:e=void 0}_updateCoordinates(){this.offset={x:(this.destination.x-this.origin.x)/4,y:(this.destination.y-this.origin.y)/4},this.origin={y:this.origin.y+this.offset.y,x:this.origin.x+this.offset.x}}};let s_=e=>{e.stopPropagation()};var c_=class{constructor(e){this.stopPropagationEvents=[`mousedown`,`touchstart`,`pointerdown`,`mousemove`,`touchmove`,`pointermove`,`mouseup`,`touchend`,`pointerup`,`click`],this.containerEnterEvents=[`mouseenter`,`mouseover`],this.containerLeaveEvents=[`mouseleave`,`mouseout`],this.options=e,this.axis=e.axis,this.dimension=e.dimension,this.container=e.container,this.scrollMovable=e.movable,this.autoHideScrollbars=e.autoHideScrollbars;let t=e.axis===`x`;this.size=t?`width`:`height`,this.scrollMovable.bind(n_,this.refresh.bind(this)),e.showScrollbars&&this._create()}_create(){let e=this.axis===`x`,t=ph(`<div class="km-touch-scrollbar km-`+(e?`horizontal`:`vertical`)+`-scrollbar" />`);t.style.position=`absolute`,t.style.zIndex=`100000`,t.style.backgroundColor=`rgba(0, 0, 0, 0.3)`,t.style.borderRadius=`4px`,e?(t.style.bottom=`1px`,t.style.left=`1px`,t.style.height=`7px`):(t.style.top=`1px`,t.style.right=`1px`,t.style.width=`7px`),this.element=t,this.elementSize=0,this.movable=new _g(t),this.container.appendChild(t),this.userEvents=new $g(t,{fastTap:!0,preventDragEvent:!0,captureUpIfMoved:!0,start:e=>{this.start=this.movable[this.axis],this.startContent=this.scrollMovable[this.axis],e.event.stopPropagation()},move:e=>{this.change(e),e.event.preventDefault()}}),this.stopPropagationEvents.forEach(e=>{t.addEventListener(e,s_)}),this.autoHideScrollbars?this._toggleHoverListeners(!0):this.show(),this.refresh()}setOptions(e){this.options=e_(this.options,e),this.autoHideScrollbars=this.options.autoHideScrollbars,this.options.showScrollbars?this.element?this.autoHideScrollbars?(this._toggleHoverListeners(!0),this.hide()):(this.show(),this._toggleHoverListeners(!1)):this._create():this.element&&=(this.destroy(),null)}_toggleHoverListeners(e){e?(this.showDelegate||(this.showDelegate=this.show.bind(this),this.containerEnterEvents.forEach(e=>{this.container.addEventListener(e,this.showDelegate)})),this.hideDelegate||(this.hideDelegate=this.hide.bind(this),this.containerLeaveEvents.forEach(e=>{this.container.addEventListener(e,this.hideDelegate)}))):(this.showDelegate&&=(this.containerEnterEvents.forEach(e=>{this.container.removeEventListener(e,this.showDelegate)}),null),this.hideDelegate&&=(this.containerLeaveEvents.forEach(e=>{this.container.removeEventListener(e,this.hideDelegate)}),null))}destroy(){this._toggleHoverListeners(!1),this.element&&(this.stopPropagationEvents.forEach(e=>{this.element.removeEventListener(e,s_)}),this.userEvents.destroy(),this.element.parentNode?.removeChild(this.element))}refresh(){if(!this.element)return;let e=this.axis,t=this.dimension,n=t.size,r=this.scrollMovable,i=n/t.total,a=t.max,o=a-t.min,s=Math.round(n*i),c=0;if(o>0){let t=a-r[e];c=Math.round(t/o*(n-s))}c=Math.max(0,Math.min(c,n-s)),i>=1&&!this.autoHideScrollbars?this.element.style.display=`none`:this.element.style.display=`block`,this.elementSize!==s&&(this.element.style[this.size]=s+`px`,this.elementSize=s),this.movable.moveAxis(e,c)}change(e){if(!this.element.checkVisibility({opacityProperty:!0,visibilityProperty:!0}))return;let t=this.axis,n=this.dimension,r=n.size,i=n.max,a=n.min,o=i-a,s=r/n.total,c=r-Math.round(r*s),l=e[t].initialDelta;if(o>0&&c>0){let e=-(o/c*l),n=Math.min(Math.max(this.startContent+e,a),i);this.scrollMovable.moveAxis(t,n)}}show(){this.element&&(this.element.style.opacity=.7,this.element.style.visibility=`visible`)}hide(){this.element&&this.autoHideScrollbars&&(this.element.style.opacity=0)}};let l_={name:`Scroller`,zoom:!1,pullOffset:140,showScrollbars:!0,autoHideScrollbars:!1,elastic:!0,useNative:!1,mousewheelScrolling:!0,avoidScrolling:()=>!1,pullToRefresh:!1,messages:{pullTemplate:`Pull to refresh`,releaseTemplate:`Release to refresh`,refreshTemplate:`Refreshing`}};var u_=class extends Ct{constructor(e,t){super(),this.element=e=e[0]||e,this._initOptions(t),this.events.push(`pull`,r_,`resize`);let n=gh();this._native=this.options.useNative&&n;let r=ph(`<div class="km-scroll-header"/>`);if(this._native){fh(e,`km-native-scroller`),mh(r,e),e_(this,{scrollElement:e,fixedContainer:e.children[0]});return}e.style.overflow=`hidden`,fh(e,`km-scroll-wrapper`);let i=ph(`<div class="km-scroll-container"/>`);hh(e,i),mh(r,e);let a=e.children[1],o=new fg(e),s=new _g(a),c=new mg({element:a,container:e,forcedEnabled:this.options.zoom}),l=this.options.avoidScrolling,u=new $g(e,{touchAction:`none`,allowSelection:!0,preventDragEvent:!0,captureUpIfMoved:!0,multiTouch:this.options.zoom,supportDoubleTap:this.options.supportDoubleTap,start:e=>{c.refresh();let t=t_(e.x.velocity),n=t_(e.y.velocity),r=t*2>=n,i=this.fixedContainer.contains(e.event.target),a=n*2>=t;!i&&!l(e)&&this.enabled&&(c.x.enabled&&r||c.y.enabled&&a)?u.capture():u.cancel()}}),d=new gg({movable:s,dimensions:c,userEvents:u,elastic:this.options.elastic}),f=new i_({movable:s,dimensions:c,userEvents:u,tapCapture:o}),p=new o_({moveTo:e=>{this.scrollTo(e.x,e.y)}});s.bind(n_,()=>{this.scrollTop=-s.y,this.scrollLeft=-s.x,!this._skipScrollEvent&&this.trigger(r_,{scrollTop:this.scrollTop,scrollLeft:this.scrollLeft})}),this.options.mousewheelScrolling&&(this._wheelScrollHandler=this._wheelScroll.bind(this),wg(e,`wheel`,this._wheelScrollHandler)),e_(this,{movable:s,dimensions:c,zoomSnapBack:f,animatedScroller:p,userEvents:u,pane:d,tapCapture:o,pulled:!1,enabled:!0,scrollElement:a,scrollTop:0,scrollLeft:0,fixedContainer:e.children[0]}),this._initAxis(`x`),this._initAxis(`y`),this._wheelEnd=()=>{this._wheel=!1,this.userEvents.end(0,this._wheelY)},c.refresh(),this.options.pullToRefresh&&this._initPullToRefresh(),this.bind(this.events,this.options)}_initOptions(e){this.options=q({},this.options,l_,e)}_wheelScroll(e){if(e.ctrlKey)return;this._wheel||(this._wheel=!0,this._wheelY=0,this.userEvents.press(0,this._wheelY)),clearTimeout(this._wheelTimeout),this._wheelTimeout=setTimeout(()=>this._wheelEnd(),50);let t=_h(e);t&&(this._wheelY+=t,this.userEvents.move(0,this._wheelY)),e.preventDefault()}makeVirtual(){this.dimensions.y.makeVirtual()}virtualSize(e,t){this.dimensions.y.virtualSize(e,t)}height(){return this.dimensions.y.size}scrollHeight(){return this.scrollElement.scrollHeight}scrollWidth(){return this.scrollElement.scrollWidth}_resize(){this._native||this.contentResized()}setOptions(e){this._initOptions(e),this.xScrollBar&&this.xScrollBar.setOptions(this.options),this.yScrollBar&&this.yScrollBar.setOptions(this.options),e.pullToRefresh&&this._initPullToRefresh()}reset(){this._native?this.scrollElement.scrollTop(0):(this.movable.moveTo({x:0,y:0}),this._scale(1))}contentResized(){this.dimensions.refresh(),this.pane.x.outOfBounds()&&this.movable.moveAxis(`x`,this.dimensions.x.min),this.pane.y.outOfBounds()&&this.movable.moveAxis(`y`,this.dimensions.y.min)}zoomOut(){let e=this.dimensions;e.refresh(),this._scale(e.fitScale),this.movable.moveTo(e.centerCoordinates())}enable(){this.enabled=!0}disable(){this.enabled=!1}scrollTo(e,t,n=!1){this._native?(this.scrollElement.scrollLeft(t_(e)),this.scrollElement.scrollTop(t_(t))):(this.dimensions.refresh(),n&&(this._skipScrollEvent=!0),this.movable.moveTo({x:e,y:t}),n&&(this._skipScrollEvent=!1))}animatedScrollTo(e,t,n){let r,i;this._native?this.scrollTo(e,t):(r={x:this.movable.x,y:this.movable.y},i={x:e,y:t},this.animatedScroller.setCoordinates(r,i),this.animatedScroller.setCallback(n),this.animatedScroller.start())}pullHandled(){}destroy(){let e=this.element;Tg(e,`wheel`,this._wheelScrollHandler),this.userEvents&&this.userEvents.destroy(),this.tapCapture&&this.tapCapture.destroy(),this.xScrollBar&&this.xScrollBar.destroy(),this.yScrollBar&&this.yScrollBar.destroy()}_scale(e){this.dimensions.rescale(e),this.movable.scaleTo(e)}_initPullToRefresh(){}_dragEnd(){}_paneChange(){}_initAxis(e){let t=this.movable,n=this.dimensions[e],r=this.tapCapture,i=this.pane[e],a=new c_({axis:e,movable:t,dimension:n,container:this.element,showScrollbars:this.options.showScrollbars,autoHideScrollbars:this.options.autoHideScrollbars});e===`x`?this.xScrollBar=a:this.yScrollBar=a,n.bind(n_,()=>{a.refresh()}),i.bind(n_,()=>{a.show()}),this[e+`inertia`]=new a_({axis:e,paneAxis:i,movable:t,tapCapture:r,userEvents:this.userEvents,dimension:n,elastic:this.options.elastic,friction:this.options.friction||.96,velocityMultiplier:this.options.velocityMultiplier||10,end:()=>{a.hide(),this.trigger(`scrollEnd`,{axis:e,scrollTop:this.scrollTop,scrollLeft:this.scrollLeft})}})}};function d_(){return/Macintosh|iPhone|iPad/i.test((window==null?void 0:window.navigator)?.userAgent||``)}let f_=new K(-500,-500,1e3,1e3);var p_=class extends ig{constructor(e){super(e),this.useMiddleButton=!0,this._init()}_init(){let e=this.toolService.diagram,t=e.canvas,n=e._mobileOS()?.93:.9,r=e.options.pannable,i=e.scroller=this.scroller=new u_(e.scrollable,{friction:n,velocityMultiplier:5,mousewheelScrolling:!1,zoom:!1,elastic:!1,scroll:this._move.bind(this),showScrollbars:r&&r.showScrollbars,autoHideScrollbars:r&&r.autoHideScrollbars});t.translate&&(this.movableCanvas=new _g(t.element)),this._updateVirtualSize(),e.bind(pe,t=>{i.dimensions.rescale(t.zoom),this._scheduleVirtualSizeUpdate();let n=e.pan().times(-1);i.scrollTo(n.x,n.y,!0)}),e.bind(te,()=>{this._scheduleVirtualSizeUpdate()}),e.bind(oe,()=>{this._scheduleVirtualSizeUpdate()}),e.bind(se,()=>{this._scheduleVirtualSizeUpdate()}),i.disable()}updateOptions(){let e=this.toolService.diagram.options.pannable;this.scroller&&e&&(this.scroller.setOptions({showScrollbars:e.showScrollbars,autoHideScrollbars:e.autoHideScrollbars}),this._updateVirtualSize())}_updateVirtualSize(){let e=this.toolService.diagram,t=this.scroller,n=e._zoom||1,r=this._getContentBounds(),i=e.viewport(),a=Math.max(i.width,i.height,1e3)/n,o=r.x-a,s=r.y-a,c=r.width+a*2,l=r.height+a*2,u=function(e,t,n){e.makeVirtual(),e.virtualSize(t,n)};u(t.dimensions.x,o,c),u(t.dimensions.y,s,l)}_getContentBounds(){let e=this.toolService.diagram;if(e.shapes.length===0&&e.connections.length===0)return f_;let t=e.boundingBox(e.shapes);for(let n=0;n<e.connections.length;n++){let r=e.connections[n].bounds();r&&(t=t.isEmpty()?r.clone():t.union(r))}return t.isEmpty()?f_:t}_scheduleVirtualSizeUpdate(){this._virtualSizeUpdateScheduled||(this._virtualSizeUpdateScheduled=!0,requestAnimationFrame(()=>{this._updateVirtualSize(),this._virtualSizeUpdateScheduled=!1}))}tryActivate(e,t){let n=this.toolService,r=n.diagram.options.pannable,i=t.metaKey&&d_(),a=t.ctrlKey||i;return t.middleButton?a=!0:E(r.key)&&(!r.key||r.key===`none`?a=ag(t)&&!E(n.hoveredItem):(a=t[r.key+`Key`],a||=r.key===`ctrl`&&i)),a||=n.diagram.panMode(),r!==!1&&a&&!E(n.hoveredAdorner)&&!E(n._hoveredConnector)}start(e,t){this._isMiddleButtonPan=!!(t&&t.middleButton),this._isMiddleButtonPan||this.scroller.enable()}move(e,t,n){if(this._isMiddleButtonPan&&n){let e=this.toolService.diagram,t=n.movementX||0,r=n.movementY||0;if(t!==0||r!==0){let n=e.pan();e.pan(new G(n.x-t,n.y-r))}}}_move(e){let t=this.toolService.diagram,n=t.canvas,r=new G(e.scrollLeft,e.scrollTop);n.translate?(t._storePan(r.times(-1)),this.movableCanvas.moveTo(r),n.translate(r.x,r.y)):r=r.plus(t._pan.times(-1)),t.trigger(`pan`,{pan:r})}end(){this._isMiddleButtonPan||this.scroller.disable(),this._isMiddleButtonPan=!1}getCursor(){return C.grabbing}},m_=class{constructor(e){this.toolService=e}tryActivate(e,t){let n=this.toolService,r=n.diagram.options.selectable,i=r&&r.multiple!==!1;return i&&=r.key&&r.key!==`none`?t[r.key+`Key`]:ag(t),i&&!E(n.hoveredItem)&&!E(n.hoveredAdorner)}start(e){let t=this.toolService.diagram;t.deselect(),t.selector.start(e)}move(e){this.toolService.diagram.selector.move(e)}end(e,t){let n=this.toolService.diagram,r=this.toolService.hoveredItem,i=n.selector.bounds();(!r||!r.isSelected)&&!t.ctrlKey&&n.deselect(),i.isEmpty()||n.selectArea(i),n.selector.end()}getCursor(){return C.arrow}};function h_(e,t){return t.charCodeAt(0)===e||t.toUpperCase().charCodeAt(0)===e}var g_=class{constructor(e){this.toolService=e,this.type=`ConnectionResizeTool`}tryActivate(e,t){let n=this.toolService.hoveredItem,r=(n&&n.pointsEditable&&n.pointsEditable())!==!1&&n&&n.path&&n.isSelected&&n.resizeAdorner&&n.resizeAdorner._hitTest(e)!==null&&!t.ctrlKey;return r&&(this._c=n,this.handle=n.resizeAdorner._hitTest(e)),!!r}start(e,t,n){let r=this._c,i=r.resizeAdorner,a=Uh(r),o=this.toolService.diagram.trigger(ae,{shapes:[],connections:[r],point:e,meta:t,nativeEvent:n});a&&i&&this.handle&&!o?i.start(e):(this.toolService.startPoint=e,this.toolService.end(e,t,n))}move(e,t,n){let r=this._c.resizeAdorner;if(Uh(this._c)&&r&&this.handle)return r.move(this.handle,e),this.toolService.diagram.trigger(oe,{shapes:[],connections:[this._c],point:e,meta:t,nativeEvent:n}),!0}end(e,t,n){let r=this._c,i=r.resizeAdorner,a=this.toolService.diagram;if(i&&Uh(r)){let o=i.stop(e);o&&!a.trigger(`dragEnd`,{shapes:[],connections:[r],point:e,meta:t,nativeEvent:n})?(a.undoRedoService.add(o,!1),r.updateModel(),a._syncConnectionChanges()):o?o.undo():i.cancel()}}getCursor(e){let t=this._c;return t&&t.resizeAdorner&&this.handle?t.resizeAdorner._getCursor(this.handle.point):C.move}},__=class{constructor(e,t,n){this.item=e,this._redoSource=t,this._redoTarget=n,E(t)&&(this._undoSource=e.source()),E(n)&&(this._undoTarget=e.target()),this.title=be}undo(){this._undoSource!==void 0&&this.item._updateConnector(this._undoSource,_e),this._undoTarget!==void 0&&this.item._updateConnector(this._undoTarget,ve),this.item.updateModel()}redo(){this._redoSource!==void 0&&this.item._updateConnector(this._redoSource,_e),this._redoTarget!==void 0&&this.item._updateConnector(this._redoTarget,ve),this.item.updateModel()}};let v_={hover:{stroke:{}},startCap:we,endCap:we,cornerRadius:0,anchorOffset:20,points:[],selectable:!0,fromConnector:w,toConnector:w},y_=e=>({...e,padding:void 0,margin:e.margin===void 0?0:e.margin,textPadding:e.padding,background:e.position===`inline`?e.background||e.bgColor:e.background,bgColor:void 0});var b_=class e extends xh{constructor(e,t,n={}){n=q({},v_,n),super(n),this.name=ze,this.previewState={lastSide:null},this.routingMode=`auto`,this.updateOptionsFromModel(),this._initRouter(),this.path=new zp(this.options),this.path.fill(g),this.visual.append(this.path),this._sourcePoint=this._targetPoint=new G,this._setSource(e),this._setTarget(t),this.content(this.options.content),this.definers=[],n.points&&this.points(n.points),n.locks?this.locks=n.locks.map(e=>({...e})):this.locks=[]}_getCursor(e){if(this.resizeAdorner){let t=this.resizeAdorner._getCursor(e);if(t!==C.select)return t}return this.adorner?this.adorner._getCursor(e):this.options.cursor||C.select}_setOptionsFromModel(e){this.updateOptionsFromModel(e||this.dataItem)}updateOptionsFromModel(e){if(this.diagram&&this.diagram._isEditable){let t=this.diagram._dataMap,n=Jm(e||this.dataItem);if(e){if(E(n.from)){let e=t[n.from];e&&E(n.fromConnector)&&(e=e.getConnector(n.fromConnector)),this.source(e)}else E(n.fromX)&&E(n.fromY)&&this.source(new G(n.fromX,n.fromY));if(E(n.to)){let e=t[n.to];e&&E(n.toConnector)&&(e=e.getConnector(n.toConnector)),this.target(e)}else E(n.toX)&&E(n.toY)&&this.target(new G(n.toX,n.toY));E(n.type)&&this.type()!==n.type&&(this.points([]),this.type(n.type)),this.dataItem=e,this._template(),this.redraw(this.options)}else this.options=q({},n,this.options)}}updateModel(e){this.diagram&&this.diagram._isEditable&&this.diagram.updateConnectionModel(this,e)}sourcePoint(){return this._resolvedSourceConnector?this._resolvedSourceConnector.positionWithoutOffset():this._sourcePoint}_setSource(e){let t=e instanceof $,n=this.options.fromConnector||`Auto`,r;t&&!e.getConnector(n)||(e!==void 0&&(this.from=e),this._removeFromSourceConnector(),e===null?this.sourceConnector&&(this._sourcePoint=(this._resolvedSourceConnector||this.sourceConnector).positionWithoutOffset(),this._clearSourceConnector(),this._setFromOptions(null,this._sourcePoint)):e instanceof th?(r=e.shape.dataItem,r&&this._setFromOptions(r.id),this.sourceConnector=e,this.sourceConnector.connections.push(this)):e instanceof G?(this._setFromOptions(null,e),this._sourcePoint=e,this.sourceConnector&&this._clearSourceConnector()):t&&(r=e.dataItem,r&&this._setFromOptions(r.id),this.sourceConnector=e.getConnector(n),this.sourceConnector.connections.push(this)))}source(e,t){return T(e)&&(t&&this.diagram&&this.diagram.undoRedoService.addCompositeItem(new __(this,e)),this._setSource(e),this.refresh()),this.sourceConnector?this.sourceConnector:this._sourcePoint}_setFromOptions(e,t){this.options.from=e,t?(this.options.fromX=t.x,this.options.fromY=t.y):(this.options.fromX=null,this.options.fromY=null)}sourceDefiner(e){if(e)if(e instanceof xf)e.left=null,this._sourceDefiner=e,this.source(e.point);else throw Error(`The sourceDefiner needs to be a PathDefiner.`);else return this._sourceDefiner||=new xf(this.sourcePoint(),null,null),this._sourceDefiner}targetPoint(){return this._resolvedTargetConnector?this._resolvedTargetConnector.positionWithoutOffset():this._targetPoint}_setTarget(e){let t=e instanceof $,n=this.options.toConnector||`Auto`,r;t&&!e.getConnector(n)||(e!==void 0&&(this.to=e),this._removeFromTargetConnector(),e===null?this.targetConnector&&(this._targetPoint=(this._resolvedTargetConnector||this.targetConnector).positionWithoutOffset(),this._clearTargetConnector(),this._setToOptions(null,this._targetPoint)):e instanceof th?(r=e.shape.dataItem,r&&this._setToOptions(r.id),this.targetConnector=e,this.targetConnector.connections.push(this)):e instanceof G?(this._setToOptions(null,e),this._targetPoint=e,this.targetConnector&&this._clearTargetConnector()):t&&(r=e.dataItem,r&&this._setToOptions(r.id),this.targetConnector=e.getConnector(n),this.targetConnector.connections.push(this)))}target(e,t){return T(e)&&(t&&this.diagram&&this.diagram.undoRedoService.addCompositeItem(new __(this,void 0,e)),this._setTarget(e),this.refresh()),this.targetConnector?this.targetConnector:this._targetPoint}_setToOptions(e,t){this.options.to=e,t?(this.options.toX=t.x,this.options.toY=t.y):(this.options.toX=null,this.options.toY=null)}targetDefiner(e){if(e)if(e instanceof xf)e.right=null,this._targetDefiner=e,this.target(e.point);else throw Error(`The sourceDefiner needs to be a PathDefiner.`);else return this._targetDefiner||=new xf(this.targetPoint(),null,null),this._targetDefiner}_updateConnectors(){this._updateConnector(this.source(),_e),this._updateConnector(this.target(),ve)}_updateConnector(e,t){let n=this.diagram;if(e instanceof th&&!n.getShapeById(e.shape.id)){let r=e.shape.dataItem,i=e.options.name,a=()=>{e=n._dataMap[r.id].getConnector(i),this[t](e,!1),this.updateModel()};if(n._dataMap[r.id])a();else{let e=n._inactiveShapeItems.getByUid(r.uid);e&&n._deferredConnectionUpdates.push(e.onActivate(a))}}else this[t](e,!1)}content(e){let t=this._content(e);return E(e)&&(this._contentVisual&&(this._contentVisual._measured=!1),this._alignContent()),t}_createContentVisual(e){let t,n=e.visual,r=e.template,i=uh({},e,{dataItem:this.dataItem||e.dataItem}),a=oh(i);if(n)t=He(a)?a.call(this,i):null;else if(r){let e=He(a)?a.call(this,i.dataItem||{}):null;if(He(e))t=e;else if(O(e)){let n={...i,text:e};t=new(vh(n))(y_(n))}}else(e.text||e.blocks)&&(t=new(vh(e))(y_(e)));return t&&(this._contentVisual=t,t._includeInBBox=!1,this.visual.append(t)),t}_updateContentVisual(e){He(e.visual)?(this.visual.remove(this._contentVisual),this._createContentVisual(e)):this._contentVisual.redraw(y_(e))}_alignContent(){if(this._contentVisual){let e=this.options.content||{},t=e.offset===void 0?5:e.offset,n=this.allPoints(),r=Math.floor(n.length/2),i=r-1;for(;i>0&&n[i].equals(n[r]);)i--,r++;let a=n[r],o=n[i],s=this._contentVisual._measure(),c=s.width,l=s.height,u=n.length%2==0,d=o.distanceTo(a),f=e.position||{},p=f.vertical||`top`,m=f.horizontal||`right`,h=f===`inline`,g=0,_=0;if(this._contentVisual._textOnlyRect){let t=this._contentVisual._textOnlyRect;c=t.size.width,l=t.size.height,(h||e.border)&&(g=t.origin.x,_=t.origin.y)}u&&n.length>2&&d>0&&(o.y===a.y&&d<c||o.x===a.x&&d<l)&&(u=!1);let v=`left`,y=`bottom`,b;if(u){let e=An(Math.atan2(a.y-o.y,a.x-o.x));b=new G((a.x-o.x)/2+o.x,(a.y-o.y)/2+o.y),h?(b.x-=c/2+g,b.y-=l/2+_):Math.abs(e)===90?(m===v?b.x-=c+t:b.x+=t,b.y-=l/2):e%180==0?(b.x-=c/2,p===y?b.y+=t:b.y-=l+t):e<-90||0<e&&e<90?b.y-=l:(e<0||e>90)&&(b.x-=c,b.y-=l)}else{let e=Math.floor(n.length/2);b=n[e].clone(),o=n[e-1],a=n[e+1];let r=o.x===b.x&&a.x===b.x,i=o.y===b.y&&a.y===b.y,u,d;h?(u=-(c/2+g),d=-(l/2+_)):r?(u=m===v?-s.width-t:t,d=-s.height/2):i?(u=-s.width/2,d=p===y?t:-s.height-t):(u=o.x<=b.x&&a.x<=b.x?t:-s.width-t,d=o.y<=b.y&&a.y<=b.y?t:-s.height-t),b.x+=u,b.y+=d}this._contentVisual.position(b)}}select(e){let t=this.diagram,n,r;if(this._canSelect()&&this.isSelected!==e){if(this.isSelected=e,n=[],r=[],this.isSelected){this.adorner=new kh(this,this.options.selection),t._adorn(this.adorner,!0);let e=(this.options.type||``).toLowerCase()===`cascading`?zh:Bh,r=this._resolveResizeOptions();this.resizeAdorner=new e(this,r),t._adorn(this.resizeAdorner,!0),t._selectedItems.push(this),n.push(this)}else this.adorner&&=(t._adorn(this.adorner,!1),void 0),this.resizeAdorner&&=(t._adorn(this.resizeAdorner,!1),void 0),A(t._selectedItems,this),r.push(this);return this.adorner&&this.adorner.refresh(),this.resizeAdorner&&this.resizeAdorner.refresh(),t._internalSelection||t._selectionChanged(n,r),!0}}bounds(e){if(e&&!O(e))this._bounds=e;else return this._bounds}type(e){let t=this.options;if(e)e!==t.type&&(t.type=e,this._initRouter(),this.refresh());else return t.type}_initRouter(){(this.options.type||``).toLowerCase()===`cascading`?this._router=new eg(this):this._router=new tg(this)}points(e){if(e){this.definers=[];for(let t=0;t<e.length;t++){let n=e[t];if(n instanceof G)this.definers.push(new xf(n));else if(Object.prototype.hasOwnProperty.call(n,`x`)&&Object.prototype.hasOwnProperty.call(n,`y`))this.definers.push(new xf(new G(n.x,n.y)));else throw Error(`A Connection point needs to be a Point or an object with x and y properties.`)}}else{let e=[];if(T(this.definers))for(let t=0;t<this.definers.length;t++)e.push(this.definers[t].point);return e}}allPoints(){let e=[this.sourcePoint()];if(this.definers)for(let t=0;t<this.definers.length;t++)e.push(this.definers[t].point);return e.push(this.targetPoint()),e}refresh(){this._resolveConnectors(),this._refreshPath(),this._alignContent(),this.adorner&&this.adorner.refresh(),this.resizeAdorner&&this.resizeAdorner.refresh()}_resolveConnectors(e){let t=e||this;t._resolvedSourceConnector=void 0,t._resolvedTargetConnector=void 0;let n=this.source(),r=this.target(),i=r instanceof G?r:null,a=n instanceof G?n:null;if(n instanceof th){let e=Um(n)?n.shape.connectors:[n];i&&Um(n)?t._resolvedSourceConnector=Wm(i,e):Um(n)||(t._resolvedSourceConnector=n)}if(r instanceof th){let e=Um(r)?r.shape.connectors:[r];a&&Um(r)?t._resolvedTargetConnector=Wm(a,e):Um(r)||(t._resolvedTargetConnector=r)}if(!i&&!a&&n instanceof th&&r instanceof th){let t=Um(n)?n.shape.connectors:[n],i=Um(r)?r.shape.connectors:[r];this._resolveAutoConnectors(t,i,e)}}_resolveAutoConnectors(e,t,n){let r=n||this;if(this.pointsEditable()&&(this.routingMode===`manual`||this._hasPolylineEditedPoints())){this._resolveAutoConnectorsWithLocks(e,t,n);return}let i=Se,a=Se,o,s,c,l,u,d,f,p,m,h,g;for(m=0;m<e.length;m++)if(f=e[m],!Um(f))for(c=f.positionWithoutOffset(),h=0;h<t.length;h++)p=t[h],Um(p)||(l=p.positionWithoutOffset(),g=Math.round(c.distanceTo(l)),g<i&&this.diagram&&this._testRoutePoints(c,l,f,p)&&(i=g,o=f,s=p),g<a&&(u=f,d=p,a=g));o&&(u=o,d=s),r._resolvedSourceConnector=u,r._resolvedTargetConnector=d}_hasPolylineEditedPoints(){return this._router instanceof tg&&this.definers&&this.definers.length>0}_resolveAutoConnectorsWithLocks(e,t,n){let r=n||this,i=Se,a=Se,o,s,c,l;for(let n=0;n<e.length;n++){let r=e[n];if(Um(r))continue;let u=r.positionWithoutOffset();for(let e=0;e<t.length;e++){let n=t[e];if(Um(n))continue;let d=n.positionWithoutOffset(),f=this._calculateRouteLength(u,d,r,n);this.diagram&&this._testRoutePoints(u,d,r,n)&&f<a&&(a=f,c=r,l=n),f<i&&(i=f,o=r,s=n)}}c?(r._resolvedSourceConnector=c,r._resolvedTargetConnector=l):(r._resolvedSourceConnector=o,r._resolvedTargetConnector=s)}_calculateRouteLength(e,t,n,r){let i=this._router;if(i instanceof eg){let a=[e,...i.routePoints(e,t,n,r),t],o=0;for(let e=1;e<a.length;e++)o+=a[e-1].distanceTo(a[e]);return Math.round(o)}else if(this._hasPolylineEditedPoints()){let n=[e,...this.definers.map(e=>e.point),t],r=0;for(let e=1;e<n.length;e++)r+=n[e-1].distanceTo(n[e]);return Math.round(r)}return Math.round(e.distanceTo(t))}_testRoutePoints(e,t,n,r){let i=this._router,a=!0;if(i instanceof eg){let o=i.routePoints(e,t,n,r),s=this._getRouteExclude(e,t,n.shape,r.shape),c,l,u;o.unshift(e),o.push(t);for(let e=1;e<o.length;e++)if(c=o[e-1],l=o[e],u=new K(Math.min(c.x,l.x),Math.min(c.y,l.y),Math.abs(c.x-l.x),Math.abs(c.y-l.y)),u.width>0&&(u.x++,u.width-=2),u.height>0&&(u.y++,u.height-=2),!u.isEmpty()&&this.diagram._shapesQuadTree.hitTestRect(u,s)){a=!1;break}}return a}_getRouteExclude(e,t,n,r){let i=[];return this._isPointInsideShape(e,n)&&i.push(n),this._isPointInsideShape(t,r)&&i.push(r),i}_isPointInsideShape(e,t){let n=t.bounds(),r=t.rotate().angle,i=n.x,a=n.y,o=e.clone().rotate(r,n.center()),s=o.x,c=o.y;return s>i&&s<i+n.width&&c>a&&c<a+n.height}redraw(e){if(e){this.options=q({},this.options,e);let t=this.options.points;E(t)&&t.length>0&&(this.points(t),this._refreshPath()),(e&&e.content||e.text)&&this.content(e.content),this.path.redraw({fill:e.fill,stroke:e.stroke,startCap:e.startCap,endCap:e.endCap})}}clone(){let t=this.serialize();return this.diagram&&this.diagram._isEditable&&E(this.dataItem)&&(t.options.dataItem=this.diagram.options.cloneDataItem(this.dataItem)),new e(this.from,this.to,t.options)}serialize(){let e=this.from.toJSON?this.from.toJSON:this.from.toString(),t=this.to.toJSON?this.to.toJSON:this.to.toString(),n=q({},{options:this.options,from:e,to:t});return E(this.dataItem)&&(n.dataItem=this.dataItem.toString()),n.options.points=this.points(),this.locks&&this.locks.length>0&&(n.options.locks=this.locks.map(e=>({...e}))),n}_hitTest(e){if(this.visible()){let t=new G(e.x,e.y),n=this.sourcePoint(),r=this.targetPoint();if(e.isEmpty&&!e.isEmpty()&&e.contains(n)&&e.contains(r)||this._router.hitTest(t))return this}}_hover(e){let t=(this.options.stroke||{}).color;e&&T(this.options.hover.stroke.color)&&(t=this.options.hover.stroke.color),this.path.redraw({stroke:{color:t}})}_refreshPath(){E(this.path)&&(this._drawPath(),this.bounds(this._router.getBounds()))}_drawPath(){this._router&&this._router.route();let e=this.sourcePoint(),t=this.targetPoint(),n=this.points();this.path.redraw({points:[e].concat(n,[t])})}_clearSourceConnector(){this.sourceConnector=void 0,this._resolvedSourceConnector=void 0}_clearTargetConnector(){this.targetConnector=void 0,this._resolvedTargetConnector=void 0}_removeFromSourceConnector(){this.sourceConnector&&A(this.sourceConnector.connections,this)}_removeFromTargetConnector(){this.targetConnector&&A(this.targetConnector.connections,this)}toJSON(){let e,t,n;return this.from&&this.from.toJSON?e=this.from.toJSON():(n=this._sourcePoint,e={x:n.x,y:n.y}),this.to&&this.to.toJSON?t=this.to.toJSON():(n=this._targetPoint,t={x:n.x,y:n.y}),{from:e,to:t}}focus(){this.path.drawingElement.options.set(Be,Oe)}blur(){this.path.drawingElement.options.set(Be,``)}pointsEditable(){let e=this.options.editable;return e&&typeof e!=`boolean`&&(e=e.points),e!==!1}_resolveResizeOptions(){let e=this.options.editable?.points,t=this.diagram?.options.connectionDefaults?.editable?.points;return e===!0&&!t?this.diagram._theme.connectionDefaults.editable.points:e}};let x_=N;function S_(e,t){let n,r,i;for(let a=0;a<e.connectors.length;a++)if(n=e.connectors[a],r=n.position(),i=new K(r.x,r.y),i.inflate(10,10),i.contains(t))return n}var C_=class{constructor(e){this.diagram=e,this.tools=[new p_(this),new g_(this),new ng(this),new rg(this),new m_(this),new og(this)],this.activeTool=void 0}start(e,t,n){return t=q({},t),this.activeTool&&this.activeTool.end(e,t),this._updateHoveredItem(e,t,n),this._activateTool(e,t),this.activeTool?(this.activeTool.start(e,t,n),this._updateCursor(e),this.diagram.focus(),this.diagram.canvas.surface.suspendTracking(),this.startPoint=e,!0):!1}move(e,t,n){t=q({},t);let r=!0;return this.activeTool&&(r=this.activeTool.move(e,t,n)),r&&this._updateHoveredItem(e,t,n),this._updateCursor(e),!0}end(e,t,n){return t=q({},t),this.activeTool&&this.activeTool.end(e,t,n),this.diagram.canvas.surface.resumeTracking(),this.activeTool=void 0,this._updateCursor(e),!0}keyDown(e,t){let n=this.diagram;if(t=q({ctrlKey:!1,metaKey:!1,altKey:!1},t),(t.ctrlKey||t.metaKey)&&!t.altKey){if(h_(e,`a`))return n.selectAll(),n._destroyToolBar(),!0;if(h_(e,`z`))return n.undo(),n._destroyToolBar(),!0;if(h_(e,`y`))return n.redo(),n._destroyToolBar(),!0;h_(e,`c`)?(n.copy(),n._destroyToolBar()):h_(e,`x`)?(n.cut(),n._destroyToolBar()):h_(e,`v`)?(n.paste(),n._destroyToolBar()):h_(e,`l`)?(n.layout(),n._destroyToolBar()):h_(e,`d`)&&(n._destroyToolBar(),n.copy(),n.paste())}else if(e===46||e===8){let e=this.diagram._triggerRemove(n.select());return e.length&&(this.diagram.remove(e,!0),this.diagram._syncChanges(),this.diagram._destroyToolBar()),!0}else if(e===27)return this._discardNewConnection(),n.deselect(),n._destroyToolBar(),!0}wheel(e,t,n){let r=this.diagram,i=r.zoom(),a=t.delta,o=r.options,s=o.zoomRate,c={point:e,meta:t,zoom:i,nativeEvent:n};if(!r.trigger(`zoomStart`,c))return a<0?i+=s:i-=s,i=x_(Math.max(o.zoomMin,Math.min(o.zoomMax,i)),2),c.zoom=i,r.zoom(i,c),r.trigger(pe,c),!0}setTool(e,t){e.toolService=this,this.tools[t]=e}selectSingle(e,t){let n=this.diagram,r=n.options.selectable;if(r&&!e.isSelected&&e.options.selectable!==!1){let i=t.ctrlKey&&r.multiple!==!1;n.select(e,{addToSelection:i})}}_discardNewConnection(){this.newConnection&&=(this.diagram.remove(this.newConnection),void 0)}_activateTool(e,t){for(let n=0;n<this.tools.length;n++){let r=this.tools[n];if(!(t.middleButton&&!r.useMiddleButton)&&r.tryActivate(e,t)){this.activeTool=r;break}}}_updateCursor(e){let t=this.diagram.element,n;this.activeTool?n=this.activeTool.getCursor(e):this.hoveredAdorner?(n=this.hoveredAdorner._getCursor(e),!n&&this.hoveredItem&&(n=this.hoveredItem._getCursor(e))):this.hoveredItem&&(n=this.hoveredItem._getCursor(e)),t.style.cursor=n||C.arrow}_connectionManipulation(e,t,n){this.activeConnection=e,this.disabledShape=t,n?this.newConnection=this.activeConnection:this.newConnection=void 0}_updateHoveredItem(e,t,n){let r=this._hitTest(e),i=this.diagram;r!==this.hoveredItem&&(!this.disabledShape||r!==this.disabledShape)&&(this.hoveredItem&&(i.trigger(de,{item:this.hoveredItem,nativeEvent:n,point:e,meta:t}),this.hoveredItem._hover(!1)),r&&r.options.enable?(i.trigger(ue,{item:r,nativeEvent:n,point:e,meta:t}),this.hoveredItem=r,this.hoveredItem._hover(!0)):this.hoveredItem=void 0)}_removeHover(){this.hoveredItem&&=(this.hoveredItem._hover(!1),void 0)}_hitTest(e){let t=this.diagram,n,r,i;if(this._hoveredConnector&&=(this._hoveredConnector._hover(!1),void 0),t._connectorsAdorner._visible&&(n=t._connectorsAdorner._hitTest(e),n))return n;if(n=this.diagram._resizingAdorner._hitTest(e),n){if(this.hoveredAdorner=t._resizingAdorner,n.x!==0||n.y!==0)return;n=void 0}else this.hoveredAdorner=void 0;if(!this.activeTool||this.activeTool.type!==`ConnectionTool`){let a=[];for(i=0;i<t._selectedItems.length;i++)r=t._selectedItems[i],r instanceof b_&&a.push(r);n=this._hitTestItems(a,e)}return n||this._hitTestElements(e)}_hitTestElements(e){let t=this.diagram,n=this._hitTestItems(t.shapes,e),r=this._hitTestItems(t.connections,e),i;if((!this.activeTool||this.activeTool.type!==`ConnectionTool`)&&n&&r&&!S_(n,e)){let e=t.mainLayer;i=ct(n.visual,e.children)>ct(r.visual,e.children)?n:r}return i||n||r}_hitTestItems(e,t){let n,r,i;for(n=e.length-1;n>=0;n--)if(r=e[n],i=r._hitTest(t),i)return i}},w_=class{constructor(e,t){this.connection=e,this.diagram=t,this.title=`New connection`}undo(){this.diagram.remove(this.connection,!1)}redo(){this.diagram._addConnection(this.connection,!1)}},T_=class{constructor(e,t){this.shape=e,this.diagram=t,this.title=`New shape`}undo(){this.diagram.deselect(),this.diagram.remove(this.shape,!1)}redo(){this.diagram._addShape(this.shape,!1)}},E_=class{constructor(e){this.units=[],this.title=`Composite unit`,e!==void 0&&this.units.push(e)}add(e){this.units.push(e)}undo(){for(let e=0;e<this.units.length;e++)this.units[e].undo()}redo(){for(let e=0;e<this.units.length;e++)this.units[e].redo()}},D_=class{constructor(e){this.connection=e,this.diagram=e.diagram,this.targetConnector=e.targetConnector,this.title=`Delete 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this.diagram?.element.ownerDocument.activeElement===this.diagram.element}destroy(){this.diagram&&this.detachEvents(),this.elements=[],this.currentIndex=-1,this.diagram=null}focusNext(){this.elements.length!==0&&(this.currentIndex=(this.currentIndex+1)%this.elements.length,this.updateFocus())}focusPrevious(){this.elements.length!==0&&(this.currentIndex=(this.currentIndex-1+this.elements.length)%this.elements.length,this.updateFocus())}focusFirst(){this.elements.length!==0&&(this.currentIndex=0,this.updateFocus())}focusLast(){this.elements.length!==0&&(this.currentIndex=this.elements.length-1,this.updateFocus())}selectCurrent(){this.elements[this.currentIndex].select(!0),this.focusSelectedElement()}deselectAll(){this.elements.forEach(e=>{e.select(!1),e.blur()}),this.diagram.element.removeAttribute(ke)}focusSelectedElement(){let 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e=this.options,t=e.selectable,n=e.pannable,r=this._mobileOS();t&&!E(t.multiple)&&(e.selectable=q({multiple:!r},e.selectable)),n===!0&&(e.pannable={...q_.pannable}),n&&!E(n.key)&&(e.pannable=q({key:r?`none`:`ctrl`},e.pannable))}_initCanvas(){let e=document.createElement(`div`);e.classList.add(`k-layer`),this.scrollable.appendChild(e);let t=this.viewport();this.canvas=new(this.options.Canvas||Yf)(e,{width:t.width||600,height:t.height||600})}_createHandlers(){let e=this.element;this._wheelHandler=this._wheelHandler||this._wheel.bind(this),this._keydownHandler=this._keydownHandler||this._keydown.bind(this),this._mobileOS()&&this._mobileOS().browser.mobilesafari?e.addEventListener(`mousewheel`,this._wheelHandler):e.addEventListener(`wheel`,this._wheelHandler),e.addEventListener(`keydown`,this._keydownHandler),this._userEvents=new $g(this.scrollable,{multiTouch:!0,fastTap:!0,tap:this._tap.bind(this),start:this._dragStart.bind(this),move:this._drag.bind(this),end:this._dragEnd.bind(this),gesturestart:this._gestureStart.bind(this),gesturechange:this._gestureChange.bind(this),gestureend:this._gestureEnd.bind(this),doubleTap:this._doubleTap.bind(this),supportDoubleTap:!0}),this.toolService=new C_(this),this._mouseoverHandler=this._mouseoverHandler||this._mouseover.bind(this),this._mouseoutHandler=this._mouseoutHandler||this._mouseout.bind(this),this._mouseMoveHandler=this._mouseMoveHandler||this._mouseMove.bind(this),this._mouseDownHandler=this._mouseDownHandler||this._mouseDown.bind(this),this._mouseUpHandler=this._mouseUpHandler||this._mouseUp.bind(this),this.scrollable.addEventListener(`mouseover`,this._mouseoverHandler),this.scrollable.addEventListener(`mouseout`,this._mouseoutHandler),this.scrollable.addEventListener(`mousemove`,this._mouseMoveHandler),this.scrollable.addEventListener(`mousedown`,this._mouseDownHandler),this.scrollable.addEventListener(`mouseup`,this._mouseUpHandler),J_.forEach(e=>{this.scrollable.addEventListener(e,this._domEvent)}),this._initResizeObserver(),this.bind(fe,this._destroyToolBar.bind(this)),this.bind(`pan`,this._destroyToolBar.bind(this)),this.bind(ue,this._onMouseEnter.bind(this)),this.bind(de,this._onMouseLeave.bind(this))}_onMouseEnter(e){let{delay:t}=this.options.tooltip;this._tooltipTimeOut=setTimeout(()=>{this.trigger(me,e),this._tooltipTimeOut=null},t)}_onMouseLeave(e){clearTimeout(this._tooltipTimeOut),this.trigger(he,e)}_initResizeObserver(){let e=new ResizeObserver(e=>{e.forEach(e=>{let{width:t,height:n}=e.contentRect;e.target!==this.element||this.size&&this.size.width===t&&this.size.height===n||(this.size={width:t,height:n},this._resize(),this.trigger(`resize`,this.size))})});this._resizeObserver=e,e.observe(this.element)}_destroyResizeObserver(){this._resizeObserver&&=(this._resizeObserver.disconnect(),null)}_dragStart(e){this._pauseMouseHandlers=!0;let t=this._eventPositions(e,!0);this.toolService.start(t,this._meta(e),e.event)&&(this._destroyToolBar(),e.preventDefault())}_drag(e){let t=this._eventPositions(e);this.toolService.move(t,this._meta(e),e.event)&&e.preventDefault()}_dragEnd(e){this._pauseMouseHandlers=!1;let t=this._eventPositions(e);this.toolService.end(t,this._meta(e),e.event)&&(this.options.createToolBar(),e.preventDefault())}_mouseMove(e){if(!this._pauseMouseHandlers){let t=this._eventPositions(e);this.toolService._updateHoveredItem(t,this._meta(e),e),this.toolService._updateCursor(t)}}_mouseDown(e){if(this._pauseMouseHandlers=!0,e.button===1&&this.options.pannable!==!1&&!this.toolService.hoveredItem){e.preventDefault();let t=this._eventPositions(e),n=q(this._meta(e),{middleButton:!0});this.toolService.start(t,n,e)&&(this._middleButtonMoveHandler=this._middleButtonMove.bind(this),this._middleButtonUpHandler=this._middleButtonUp.bind(this),this.element.ownerDocument.addEventListener(`mousemove`,this._middleButtonMoveHandler),this.element.ownerDocument.addEventListener(`mouseup`,this._middleButtonUpHandler))}}_middleButtonMove(e){e.preventDefault();let t=this._eventPositions(e),n=q(this._meta(e),{middleButton:!0});this.toolService.move(t,n,e)}_middleButtonUp(e){if(e.button===1){this._pauseMouseHandlers=!1;let t=this._eventPositions(e),n=q(this._meta(e),{middleButton:!0});this.toolService.end(t,n,e),this.element.ownerDocument.removeEventListener(`mousemove`,this._middleButtonMoveHandler),this.element.ownerDocument.removeEventListener(`mouseup`,this._middleButtonUpHandler),this._middleButtonMoveHandler=null,this._middleButtonUpHandler=null}}_mouseUp(){this._pauseMouseHandlers=!1}_tap(e){let t=this.toolService,n=this.options.selectable,r=this._eventPositions(e),i=this.focus(),a=this._meta(e);if(t._updateHoveredItem(r,a,e.event),t.hoveredItem){let o=t.hoveredItem;if(this.trigger(`click`,{nativeEvent:e.event,item:o,point:r,meta:a}),n&&o.options.selectable!==!1){let e=n.multiple!==!1,t=Tr||a.ctrlKey||a.metaKey&&d_();o.isSelected?t?(this._destroyToolBar(),o.select(!1)):this.options.createToolBar(i):(this._destroyToolBar(),this.select(o,{addToSelection:e&&t}),this.options.createToolBar(i))}}else n&&(this._destroyToolBar(),this.deselect())}_keydown(e){this.toolService.keyDown(e.keyCode,this._meta(e))&&e.preventDefault()}_wheel(e){let t=Hm(e),n=this._eventPositions(e),r=q(this._meta(e),{delta:t});this.toolService.wheel(n,r,e)&&e.preventDefault()}_meta(e){return e=e.event||e,{ctrlKey:e.ctrlKey,metaKey:e.metaKey,altKey:e.altKey,shiftKey:e.shiftKey,type:e.type}}_eventPositions(e,t){let n;if(e.touch){let r=t?`startLocation`:`location`;n=new G(e.x[r],e.y[r])}else n=new G(e.pageX,e.pageY);return this.documentToModel(n)}_gestureStart(e){this._destroyToolBar(),this.scroller.disable();let t=this.documentToModel(new G(e.center.x,e.center.y)),n={point:t,zoom:this.zoom()};this.trigger(`zoomStart`,n)||(this._gesture=e,this._initialCenter=t)}_gestureChange(e){let t=this._gesture,n=this._initialCenter,r=this.documentToView(new G(e.center.x,e.center.y)),i=e.distance/t.distance,a=this._zoom,o=!1;Math.abs(i-1)>=.05&&(this._zoom=a=this._getValidZoom(a*i),this.options.zoom=a,this._gesture=e,o=!0);let s=n.times(a),c=r.minus(s);(o||this._pan.distanceTo(c)>=5)&&(this._panTransform(c),this._updateAdorners()),e.preventDefault()}_doubleTap(e){if(!this._mobileOS())return;let t=this._eventPositions(e),n=this.options,r=n.zoomRate,i=this.zoom()+r,a={point:t,meta:this._meta(e),zoom:i};this.trigger(`zoomStart`,a)||(i=N(Math.max(n.zoomMin,Math.min(n.zoomMax,i)),2),a.zoom=i,this.zoom(i,a),this.trigger(pe,a))}_gestureEnd(){this.options.pannable!==!1&&this.scroller.enable(),this.trigger(pe,{point:this._initialCenter,zoom:this.zoom()})}_resize(){let e=this.viewport();this.canvas&&this.canvas.size(e),this.scrollable&&this.toolBar&&(this.scrollable.style.height=e.height+`px`)}_mouseover(e){let t=e.target._kendoNode;t&&t.srcElement._hover&&t.srcElement._hover(!0,t.srcElement)}_mouseout(e){let t=e.target._kendoNode;t&&t.srcElement._hover&&t.srcElement._hover(!1,t.srcElement)}_initTheme(e){this._theme=e,this.options=q({},e,this.options),this.options.editable===!0?this.options.editable=(e||{}).editable:this.options.editable&&this.options.editable.resize===!0&&(this.options.editable.resize=(e.editable||{}).resize),this.options.connectionDefaults?.editable===!0?this.options.connectionDefaults.editable=e.connectionDefaults.editable:this.options.connectionDefaults?.editable?.points===!0&&(this.options.connectionDefaults.editable.points=e.connectionDefaults.editable.points)}_createOptionElements(){let e=this.options,t=e.shapes.length;t&&this._createShapes(),e.connections.length&&this._createConnections(),t&&e.layout&&this.layout(e.layout),this.undoRedoService.clear()}_createShapes(){let e=this.options.shapes,t,n;for(n=0;n<e.length;n++)t=e[n],this.addShape(t)}_createConnections(){let e=this.options,t=e.connectionDefaults,n=e.connections,r,i,a,o;for(o=0;o<n.length;o++)r=n[o],i=this._findConnectionTarget(r.from),a=this._findConnectionTarget(r.to),this.options.connect?this.options.connect(i,a,q({},t,r)):this.connect(i,a,q({},t,r))}_findConnectionTarget(e){e||={};let t=O(e)?e:e.shapeId||e.id,n;return t?(n=this.getShapeById(t),e.connector&&(n=n.getConnector(e.connector))):n=new G(e.x||0,e.y||0),n}destroy(){super.destroy(),this._destroyResizeObserver(),this._navigation?.destroy(),this._navigation=null,this._userEvents&&this._userEvents.destroy(),this.clear(),this.element.removeEventListener(`mousewheel`,this._wheelHandler),this.element.removeEventListener(`wheel`,this._wheelHandler),this.element.removeEventListener(`keydown`,this._keydownHandler),this.scrollable.removeEventListener(`mouseover`,this._mouseoverHandler),this.scrollable.removeEventListener(`mouseout`,this._mouseoutHandler),this.scrollable.removeEventListener(`mousemove`,this._mouseMoveHandler),this.scrollable.removeEventListener(`mousedown`,this._mouseDownHandler),this.scrollable.removeEventListener(`mouseup`,this._mouseUpHandler),this._middleButtonMoveHandler&&this.element.ownerDocument.removeEventListener(`mousemove`,this._middleButtonMoveHandler),this._middleButtonUpHandler&&this.element.ownerDocument.removeEventListener(`mouseup`,this._middleButtonUpHandler),J_.forEach(e=>{this.scrollable.removeEventListener(e,this._domEvent)}),this.canvas.destroy(!0),this.canvas=void 0,this.destroyScroller(),this._destroyGlobalToolBar(),this._destroyToolBar(),this._inactiveShapeItems.destroy()}destroyScroller(){let e=this.scroller;e&&(e.destroy(),e.element.remove(),this.scroller=null)}save(){let e={shapes:[],connections:[]},t,n,r;for(t=0;t<this.shapes.length;t++)if(r=this.shapes[t],r.options.serializable){let t=q({},r.options);r._originalWidth!==void 0&&(t.width=r._originalWidth),r._originalHeight!==void 0&&(t.height=r._originalHeight),e.shapes.push(t)}for(t=0;t<this.connections.length;t++)n=this.connections[t],e.connections.push(q({},n.options,n.toJSON()));return e}focus(){if(this.element!==this.element.ownerDocument.activeElement){let e=this.element,t=[],n=[],r=e.ownerDocument.documentElement,i=e,a;do i=i.parentNode,i.scrollHeight>i.clientHeight&&(t.push(i),n.push(i.scrollTop));while(i!==r);for(e.focus({preventScroll:!0}),a=0;a<t.length;a++)t[a].scrollTop=n[a];return!0}}load(e){this.clear(),this.setOptions(e),this._createShapes(),this._createConnections(),this.undoRedoService.clear()}setOptions(e){if(q(this.options,e),e.pannable){let e=this.toolService.tools.find(e=>e.scroller);e&&e.updateOptions()}}enterEdit(e){e?.name===`Shape`&&this._connectorsAdorner&&this._connectorsAdorner.pause(),this.disablePan()}exitEdit(e){e?.name===`Shape`&&this._connectorsAdorner&&this._connectorsAdorner.resume(),this.restorePan()}disablePan(){let e=this.options.pannable;this._currentPannable=typeof e==`object`?{...e}:e,this.setOptions({pannable:{showScrollbars:!1,key:`none`}})}restorePan(){this.setOptions({pannable:this._currentPannable}),this._currentPannable=void 0}panMode(e){if(e===void 0)return this._panMode;this._panMode=e}clear(){this.select(!1),this.mainLayer.clear(),this._shapesQuadTree.clear(),this._initialize()}connected(e,t){for(let n=0;n<this.connections.length;n++){let r=this.connections[n];if(r.from===e&&r.to===t)return!0}return!1}addConnection(e,t){return t!==!1&&this.undoRedoService.add(new w_(e,this),!1),e.diagram=this,e._setOptionsFromModel(),e.refresh(),this.mainLayer.append(e.visual),this.connections.push(e),this.trigger(te,{added:[e],removed:[]}),e}addShape(e,t){let n;if(e instanceof $)n=e,this._parseBounds(n.bounds());else if(!e.prototype)n=B_(e||{},this),this._parseBounds(n.bounds());else return;return t!==!1&&this.undoRedoService.add(new T_(n,this),!1),this.shapes.push(n),n.diagram!==this&&(this._shapesQuadTree.insert(n),n.diagram=this),this.mainLayer.append(n.visual),this.trigger(te,{added:[n],removed:[]}),n}remove(e,t){e=Array.isArray(e)?e.slice(0):[e];let n=X_(e),r=n.shapes,i=n.connections,a;for(E(t)||(t=!0),t&&this.undoRedoService.begin(),this._suspendModelRefresh(),a=r.length-1;a>=0;a--)this._removeItem(r[a],t,i);for(a=i.length-1;a>=0;a--)this._removeItem(i[a],t);this._resumeModelRefresh(),t&&this.undoRedoService.commit(!1),this.trigger(te,{added:[],removed:e})}_addConnection(e,t){if(this.options._addConnection)return this.options._addConnection(e,t);if(!this.trigger(`add`,{connection:e}))return this.addConnection(e,t),e._updateConnectors(),e}_addShape(e,t){if(this.options._addShape)return this.options._addShape(e,t);if(!this.trigger(`add`,{shape:e}))return this.addShape(e,t)}_parseBounds(e){e.x=typeof e.x==`string`?parseFloat(e.x):e.x,e.y=typeof e.y==`string`?parseFloat(e.y):e.y}_shouldRefresh(){return!this._suspended}_suspendModelRefresh(){this._suspended=(this._suspended||0)+1}_resumeModelRefresh(){this._suspended=Math.max((this._suspended||0)-1,0)}_triggerRemove(e){let t=[],n,r,i;for(let a=0;a<e.length;a++)n=e[a],i=n.options.editable,r=n instanceof $?{shape:n}:{connection:n},i&&i.remove!==!1&&!this.trigger(`remove`,r)&&t.push(n);return t}_addConnections(e,t){let n=e.length;for(let r=0;r<n;r++){let n=e[r];this._addConnectionDataItem(n,t)}}_addConnectionDataItem(e,t){if(!this._connectionsDataMap[e.uid]){let n=this._validateConnector(e.from);(!E(n)||n===null)&&(n=new G(e.fromX,e.fromY));let r=this._validateConnector(e.to);if((!E(r)||r===null)&&(r=new G(e.toX,e.toY)),E(n)&&E(r)){let i=q({},this.options.connectionDefaults);i.dataItem=e;let a=new b_(n,r,i);this._connectionsDataMap[e.uid]=a,this.addConnection(a,t)}}}_validateConnector(e){let t;return E(e)&&e!==null&&(t=this._dataMap[e]),t}_addDataItems(e,t){let n,r,i,a;for(r=0;r<e.length;r++)n=e[r],i=this._addDataItemByUid(n),a=this._addDataItemByUid(t),a&&!this.connected(a,i)&&this.connect(a,i)}connect(e,t,n){let r=new b_(e,t,q({},this.options.connectionDefaults,n));return this.addConnection(r)}undo(){this.undoRedoService.undo()}redo(){this.undoRedoService.redo()}select(e,t){if(T(e)){t=q({addToSelection:!1},t);let n=t.addToSelection,r=[],i=[],a,o;for(n||this.deselect(),this._internalSelection=!0,e instanceof Array?i=e:e instanceof xh&&(i=[e]),a=0;a<i.length;a++)o=i[a],o.select(!0)&&r.push(o);this._selectionChanged(r,[]),this._internalSelection=!1}else return this._selectedItems}selectAll(){this.select(this.shapes.concat(this.connections))}selectArea(e){let t,n,r;this._internalSelection=!0;let i=[];if(e instanceof K)for(n=this.shapes.concat(this.connections),t=0;t<n.length;t++)r=n[t],(!e||r._hitTest(e))&&r.options.enable&&r.select(!0)&&i.push(r);this._selectionChanged(i,[]),this._internalSelection=!1}deselect(e){this._internalSelection=!0;let t=[],n=[],r,i;for(e instanceof Array?n=e:e instanceof xh?n.push(e):T(e)||(n=this._selectedItems.slice(0)),i=0;i<n.length;i++)r=n[i],r.select(!1)&&t.push(r);this._selectionChanged([],t),this._internalSelection=!1}toFront(e,t){e||=this._selectedItems.slice();let n=this._getDiagramItems(e),r;if(!E(t)||t){r=Gm(this.mainLayer,n.visuals);let t=new N_(this,e,r);this.undoRedoService.add(t)}else this.mainLayer.toFront(n.visuals),this._fixOrdering(n,!0)}toBack(e,t){e||=this._selectedItems.slice();let n=this._getDiagramItems(e),r;if(!E(t)||t){r=Gm(this.mainLayer,n.visuals);let t=new M_(this,e,r);this.undoRedoService.add(t)}else this.mainLayer.toBack(n.visuals),this._fixOrdering(n,!1)}bringIntoView(e,t){let n=this.viewport(),r=new rf(n),i;if(n.width===0||n.height===0)return;t=q({animate:!1,align:`center middle`},t),t.align===`none`&&(t.align=`center middle`),e instanceof xh?i=e.bounds(De):Array.isArray(e)?i=this.boundingBox(e):e instanceof K&&(i=e.clone());let a=i.clone();i.zoom(this._zoom),(i.width>n.width||i.height>n.height)&&(this._zoom=this._getValidZoom(Math.min(n.width/a.width,n.height/a.height)),i=a.clone().zoom(this._zoom)),this._zoomMainLayer();let o=i.clone();r.align(i,t.align);let s=i.topLeft().minus(o.topLeft());this.pan(s.times(-1),t.animate)}alignShapes(e){D(e)&&(e=`Left`);let t,n,r,i=this.select();if(i.length===0)return;switch(e.toLowerCase()){case`left`:case`top`:t=Te;break;case`right`:case`bottom`:t=Ee;break;default:break}for(r=0;r<i.length;r++)if(n=i[r],n instanceof $)switch(e.toLowerCase()){case`left`:t=Math.min(t,n.options.x);break;case`top`:t=Math.min(t,n.options.y);break;case`right`:t=Math.max(t,n.options.x);break;case`bottom`:t=Math.max(t,n.options.y);break;default:break}let a=[],o=[];for(r=0;r<i.length;r++)if(n=i[r],n instanceof $)switch(o.push(n),a.push(n.bounds()),e.toLowerCase()){case`left`:case`right`:n.position(new G(t,n.options.y));break;case`top`:case`bottom`:n.position(new G(n.options.x,t));break;default:break}let s=new Wh(o,a);this.undoRedoService.add(s,!1)}zoom(e,t){if(e){let n=t?t.point:new G(0,0);if(e=this._zoom=this._getValidZoom(e),!D(n)){n=new G(Math.round(n.x),Math.round(n.y));let t=n.times(e),r=this.modelToView(n).minus(t);this._storePan(new G(Math.round(r.x),Math.round(r.y)))}t&&(t.zoom=e),this._panTransform(),this.canvas.surface.hideTooltip&&this.canvas.surface.hideTooltip(),this._updateAdorners()}return this._zoom}_getPan(e){return this.canvas.translate||(e=e.plus(this._pan)),e}pan(e,t){if(e instanceof G){let n=this.scroller;e=this._getPan(e),e=e.times(-1),t?n.animatedScrollTo(e.x,e.y,()=>{this._updateAdorners()}):(n.scrollTo(e.x,e.y),this._updateAdorners())}else return this._pan.times(-1)}viewport(){let e=this.element,t=$_(e),n=ev(e);return this.toolBar&&(n-=Q_(this.toolBar.element)),new K(0,0,t,n)}copy(){if(this.options.copy.enabled){this._clipboard.length=0,this._copyOffset=1;for(let e=0;e<this._selectedItems.length;e++){let t=this._selectedItems[e];this._clipboard.push(t)}}}cut(){if(this.options.copy.enabled){this._clipboard.length=0,this._copyOffset=0;for(let e=0;e<this._selectedItems.length;e++){let t=this._selectedItems[e];this._clipboard.push(t)}this.remove(this._clipboard,!0)}}paste(){if(this._clipboard.length>0){let e,t,n,r={},i=X_(this._clipboard),a=i.connections,o=i.shapes,s={x:this._copyOffset*this.options.copy.offsetX,y:this._copyOffset*this.options.copy.offsetY};for(this.deselect(),n=0;n<o.length;n++)e=o[n],t=e.clone(),r[e.id]=t,t.position(new G(e.options.x+s.x,e.options.y+s.y)),t.diagram=this,t=this._addShape(t),t&&t.select();for(n=0;n<a.length;n++)e=a[n],t=this._addConnection(e.clone()),t&&(this._updateCopiedConnection(t,e,`source`,r,s),this._updateCopiedConnection(t,e,`target`,r,s),t.select(!0),t.updateModel());this._syncChanges(),this._copyOffset+=1}}_syncChanges(){this.options._syncChanges&&this.options._syncChanges()}_syncConnectionChanges(){this.options._syncConnectionChanges&&this.options._syncConnectionChanges()}_syncShapeChanges(){this.options._syncShapeChanges&&this.options._syncShapeChanges()}_updateCopiedConnection(e,t,n,r,i){let a,o,s,c=t[n]();c instanceof th&&r[c.shape.id]?(s=r[c.shape.id],this.getShapeById(s.id)?e[n](s.getConnector(c.options.name)):(o=this._inactiveShapeItems.getByUid(s.dataItem.uid),o&&(a=t=>{s=this._dataMap[t.id],e[n](s.getConnector(c.options.name)),e.updateModel()},this._deferredConnectionUpdates.push(o.onActivate(a))))):e[n](new G(t[n+`Point`]().x+i.x,t[n+`Point`]().y+i.y))}boundingBox(e,t){let n=K.empty(),r,i=T(e)?this._getDiagramItems(e):{shapes:this.shapes};if(i.shapes.length>0){let e=i.shapes[0];n=e.bounds(ge);for(let a=1;a<i.shapes.length;a++)e=i.shapes[a],r=e.bounds(ge),t===!0&&(r.x-=e._rotationOffset.x,r.y-=e._rotationOffset.y),n=n.union(r)}return n}_containerOffset(){let e=this.canvas?.translate?this.canvas.element:this.element,t=Z_(e);return e===this.element&&this.toolBar&&(t.top+=Q_(this.toolBar.element)),t}documentToView(e){let t=this._containerOffset();return new G(e.x-t.left,e.y-t.top)}viewToDocument(e){let t=this._containerOffset();return new G(e.x+t.left,e.y+t.top)}viewToModel(e){return this._transformWithMatrix(e,this._matrixInvert)}modelToView(e){return this._transformWithMatrix(e,this._matrix)}modelToLayer(e){return this._transformWithMatrix(e,this._layerMatrix)}layerToModel(e){return this._transformWithMatrix(e,this._layerMatrixInvert)}documentToModel(e){let t=this.documentToView(e);return this.canvas.translate||(t.x+=this.scroller.scrollLeft,t.y+=this.scroller.scrollTop),this.viewToModel(t)}modelToDocument(e){return this.viewToDocument(this.modelToView(e))}_transformWithMatrix(e,t){let n=e;if(e instanceof G)t&&(n=t.apply(e));else{let r=this._transformWithMatrix(e.topLeft(),t),i=this._transformWithMatrix(e.bottomRight(),t);n=K.fromPoints(r,i)}return n}layout(e){this._layouting=!0;let t;D(e)&&(e=this.options.layout),t=D(e)||D(e.type)?`Tree`:e.type;let n;switch(t.toLowerCase()){case`tree`:n=new Sm(this);break;case`layered`:n=new bm(this);break;case`forcedirected`:case`force`:case`spring`:case`springembedder`:n=new pf(this);break;default:throw Error(`Layout algorithm '`+t+`' is not supported.`)}let r=new uf(this),i=n.layout(e);if(i){let t=new A_(r,i,e?e.animate:null);this.undoRedoService.add(t)}this._layouting=!1,this._redrawConnections()}getShapeById(e){let t;return t=ft(this.shapes,function(t){return t.visual.id===e}),t||(t=ft(this.connections,function(t){return 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e=window.kendo,t=e.dataviz.diagram={};e.deepExtend(t,{init:function(n){e.init(n,t.ui)},Utils:wt,Range:Tt,Ticker:Dt})})(),(function(){var e=window.kendo,t=e.dataviz.diagram;e.deepExtend(t,{init:function(n){e.init(n,t.ui)},Point:G,Intersect:gf,Geometry:At,Rect:K,Size:Cf,RectAlign:rf,Matrix:yf,MatrixVector:vf,normalVariable:bf,randomId:Ot,Dictionary:M,HashTable:kt,Queue:af,Set:Sf,Node:df,Link:ff,Graph:J,PathDefiner:xf})})();let{isFunction:vv}=wt;(function(){var e=window.kendo,t=e.drawing,n=e.dataviz.diagram;class r extends Yf{constructor(e,n){n||={},super(e,n),this.surface=t.Surface.create(e,n),this.translate=vv(this.surface.translate)?this._translate:void 0,this._viewBox=new 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e=window.kendo,t=e.dataviz.diagram;t.Cursors=C,e.deepExtend(t,{CompositeUnit:E_,TransformUnit:Wh,PanUndoUnit:j_,AddShapeUnit:T_,AddConnectionUnit:w_,DeleteShapeUnit:O_,DeleteConnectionUnit:D_,ConnectionEditAdorner:kh,ConnectionTool:rg,ConnectorVisual:Vh,UndoRedoService:P_,ResizingAdorner:qh,Selector:Yh,ToolService:C_,ConnectorsAdorner:Hh,LayoutUndoUnit:A_,ConnectionEditUnit:__,ToFrontUnit:N_,ToBackUnit:M_,ConnectionRouterBase:Xh,PolylineRouter:tg,CascadingRouter:eg,SelectionTool:m_,ScrollerTool:p_,PointerTool:og,ConnectionEditTool:ng,RotateUnit:$m})})(),(function(){var e=window.kendo,t=e.dataviz.diagram;e.deepExtend(t,{init:function(n){e.init(n,t.ui)},SpringLayout:pf,TreeLayout:Sm,GraphAdapter:mf,LayeredLayout:bm,LayoutBase:lf,LayoutState:uf})})(),(function(){let e=window.kendo.dataviz;e.diagramTheme=cv})(),(function(e,t){var n=kendo.dataviz,r=n.diagram,i=kendo.ui.Widget,a=kendo.deepExtend,o=kendo._outerWidth,s=kendo._outerHeight,c=e.extend,l=kendo.data.HierarchicalDataSource,u=r.Canvas;r.Rect;var d=r.Point,f=kendo.drawing.util.defined,p=e.isPlainObject,m=kendo.data.DataSource;ah.register({compile:function(e){return kendo.template(e,{paramName:`dataItem`})}});var h=`.kendoDiagram`,g=`click`,_=`rotated`,v=`change`,y=`error`,b=({className:e,icon:t,themeColor:n,text:r})=>kendo.html.renderButton(`<button class="${e}" href="#">${r}</button>`,{icon:t,themeColor:n});function x(e){e.preventDefault()}function S(e,t){f(t[e])&&t.set(e,null)}let ee=e=>`<div class="k-popup">${e}</div>`,te=e=>Math.round(e)+`px`;r.DefaultConnectors=nh;var C={cancel:{text:`Cancel`,icon:`cancel`,className:`k-diagram-cancel`},update:{text:`Save`,imageClass:`save`,className:`k-diagram-update`,icon:`save`,themeColor:`primary`}};r.shapeDefaults=rh;var w=i.extend({init:function(n,r={}){var a=this;kendo.destroy(n),i.fn.init.call(a,n,r);let 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e=a.options.tooltip||{};t.item.name===`Shape`&&e.shapeTemplate?a._createTooltip(t.item,t.point,e.shapeTemplate,!0):t.item.name===`Connection`&&e.connectionTemplate&&a._createTooltip(t.item,t.point,e.connectionTemplate,!1)}e===`tooltipHide`&&a._clearTooltips(),t.sender=a,a.trigger(e,t)})}),a.widget=c,a.wrapper=e(c.wrapper),a.scrollable=e(c.scrollable),a.shapes=c.shapes,a.connections=c.connections,a._connectionsDataMap=c._connectionsDataMap,a._dataMap=c._dataMap,a._inactiveShapeItems=c._inactiveShapeItems,a._copyOffset=0,a._selectedItems=c._selectedItems,a.options=c.options,a._clipboard=c._clipboard,a.id=c.id,a.undoRedoService=c.undoRedoService,a.toolService=c.toolService,a._resizingAdorner=c._resizingAdorner,a._connectorsAdorner=c._connectorsAdorner,a.selector=c.selector,a.mainLayer=c.mainLayer,a._fetchFreshData(),a._createGlobalToolBar(),a.widget._createOptionElements(),a.widget.zoom(a.options.zoom),a.widget.canvas.draw()},options:a({},q_),events:[...Y_],shapes:[],connections:[],dataSource:null,connectionsDataSource:null,connect:function(e,t,n){let 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ie(this.element,{update:this._update.bind(this),cancel:this._cancel.bind(this),model:e,type:t,target:this,editors:n,template:r}),this.trigger(`edit`,this._editArgs())},edit:function(e){if(e.dataItem){var t=e instanceof $?`shape`:`connection`;this.editModel(e.dataItem,t)}},cancelEdit:function(){if(this.editor){let e=this._getEditDataSource(),t=this.editor.model&&this.editor.model.uid,n=t?e.getByUid(t):null;n&&e.cancelChanges(n),this._destroyEditor()}},clear(){this.widget.clear()},saveEdit:function(){this.editor&&this.editor.end()&&!this.trigger(`save`,this._editArgs())&&this._getEditDataSource().sync()},updateConnectionModel:function(e,t){if(this.connectionsDataSource){let n=this.connectionsDataSource.getByUid(e.dataItem.uid);n&&(this._suspendModelRefresh(),f(e.options.fromX)&&e.options.fromX!==null?(S(`from`,n),S(`fromConnector`,n),n.set(`fromX`,e.options.fromX),n.set(`fromY`,e.options.fromY)):(n.set(`from`,e.options.from),f(n.fromConnector)&&n.set(`fromConnector`,e.sourceConnector?e.sourceConnector.options.name:null),S(`fromX`,n),S(`fromY`,n)),f(e.options.toX)&&e.options.toX!==null?(S(`to`,n),S(`toConnector`,n),n.set(`toX`,e.options.toX),n.set(`toY`,e.options.toY)):(n.set(`to`,e.options.to),f(n.toConnector)&&n.set(`toConnector`,e.targetConnector?e.targetConnector.options.name:null),S(`toX`,n),S(`toY`,n)),f(e.options.type)&&f(n.type)&&n.set(`type`,e.options.type),e.dataItem=n,this._resumeModelRefresh(),t&&this._syncConnectionChanges())}},updateShapeModel:function(e,t){let n=e._bounds,r=e.dataItem;r&&(this._suspendModelRefresh(),f(r.x)&&n.x!==r.x&&r.set(`x`,n.x),f(r.y)&&n.y!==r.y&&r.set(`y`,n.y),f(r.width)&&n.width!==r.width&&r.set(`width`,n.width),f(r.height)&&n.height!==r.height&&r.set(`height`,n.height),e.dataItem=r,this._resumeModelRefresh(),t&&this._syncShapeChanges())},destroy:function(){this.diagram=null,this.element=null,this.options=null,this._toolBar&&this._toolBar.destroy(),this._popup&&this._popup.destroy(),this._destroyGlobalToolBar(),this._destroyToolBar(),this.widget&&=(this.widget.destroy(),null)},documentToModel:function(e){return this.widget.documentToModel(e)},documentToView:function(e){return this.widget.documentToView(e)},focus:function(){return this.widget.focus()},getShapeByModelId:function(e){return this.widget.getShapeByModelId(e)},getShapeByModelUid:function(e){return this.widget.getShapeByModelUid(e)},layerToModel:function(e){return this.widget.layerToModel(e)},load:function(e){this.widget.load(e)},modelToDocument:function(e){return this.widget.modelToDocument(e)},modelToLayer:function(e){return this.widget.modelToLayer(e)},modelToView:function(e){return this.widget.modelToView(e)},pan:function(e,t){return this.widget.pan(e,t)},paste:function(){this.widget.paste()},save:function(){return this.widget.save()},selectAll:function(){this.widget.selectAll()},selectArea:function(e){this.widget.selectArea(e)},setDataSource(e){this.options.dataSource=e,this._dataSource(),this.options.autoBind!==!1&&this.dataSource.fetch()},setConnectionsDataSource(e){this.options.connectionsDataSource=e,this._connectionDataSource(),this.options.autoBind!==!1&&this.connectionsDataSource.fetch()},viewToDocument:function(e){return this.widget.viewToDocument(e)},viewToModel:function(e){return this.widget.viewToModel(e)},viewport:function(){return this.widget.viewport()},zoom:function(e,t){return this.widget.zoom(e,t)},_initTheme:function(){var e=this,t=((e.options||{}).theme||``).toLowerCase(),r=n.ui.themes||{},i;return n.SASS_THEMES.indexOf(t)==-1?i=(r[t]||{}).diagram:(e.element.addClass(`k-diagram`),i=n.diagramTheme(e.element[0]),e.element.removeClass(`k-diagram`)),i},items:function(){return e()},_createGlobalToolBar:function(){this.widget;var e=this.widget.options.editable;if(e){var t=e.tools;this._isEditable&&t!==!1&&(!t||t.length===0)&&(t=[`createShape`,`undo`,`redo`,`rotateClockwise`,`rotateAnticlockwise`]),t&&t.length&&(this.toolBar=new ne(this,{tools:t,click:this._toolBarClick.bind(this),modal:!1}),this.widget.toolBar={element:this.toolBar.element[0]},this.toolBar.element.css({textAlign:`left`}),this.element.prepend(this.toolBar.element),this.widget._resize())}},_toolBarClick:function(e){this.trigger(`toolBarClick`,e),this._destroyToolBar()},_createToolBar:function(e){let t=this,n=this.widget;if(!this.singleToolBar&&t.select().length===1){var r=t.select()[0];if(r&&r.options.editable!==!1){var i=r.options.editable||{},a=i.tools;if(this._isEditable&&a&&a.length===0&&(r instanceof $?a=[`edit`,`rotateClockwise`,`rotateAnticlockwise`]:r instanceof b_&&(a=[`edit`]),i&&i.remove!==!1&&a.push(`delete`)),a&&a.length){var c=20,l;this.singleToolBar=new ne(this,{tools:a,click:this._toolBarClick.bind(this),modal:!0,popupZIndex:parseInt(t.element.closest(`.k-window`).css(`zIndex`),10)+10});var u=o(this.singleToolBar._popup.element),f=s(this.singleToolBar._popup.element);if(r instanceof $){var p=n.modelToView(r.bounds(_));l=new d(p.x,p.y).minus(new d((u-p.width)/2,f+c))}else if(r instanceof b_){var m=n.modelToView(r.bounds());l=new d(m.x,m.y).minus(new d((u-m.width-20)/2,f+c))}l?(n.canvas.translate||(l=l.minus(new d(n.scroller.scrollLeft,n.scroller.scrollTop))),l=this.viewToDocument(l),l=new d(Math.max(l.x,0),Math.max(l.y,0)),this.singleToolBar.showAt(l),e&&this.singleToolBar._popup.one(`close`,x)):this._destroyToolBar()}}}},_destroyToolBar:function(){this.singleToolBar&&=(this.singleToolBar.hide(),this.singleToolBar.destroy(),null)},_destroyGlobalToolBar:function(){this.toolBar&&=(this.toolBar.hide(),this.toolBar.destroy(),null)},_update:function(){this.editor&&this.editor.end()&&!this.trigger(`save`,this._editArgs())&&(this._getEditDataSource().sync(),this._destroyEditor())},_cancel:function(){if(this.editor&&!this.trigger(`cancel`,this._editArgs())){var e=this.editor.model;this._getEditDataSource().cancelChanges(e);var t=this.widget._connectionsDataMap[e.uid]||this.widget._dataMap[e.id];t&&t._setOptionsFromModel(e),this._destroyEditor()}},_getEditDataSource:function(){return this.editor.options.type===`shape`?this.dataSource:this.connectionsDataSource},_editArgs:function(){var e={container:this.editor.wrapper};return e[this.editor.options.type]=this.editor.model,e},_fetchFreshData(){this._dataSource(),this._isEditable&&this._connectionDataSource(),this.options.autoBind!==!1&&(this._isEditable?(this._loadingShapes=!0,this._loadingConnections=!0,this.dataSource.fetch(),this.connectionsDataSource.fetch()):this.dataSource.fetch())},_dataSource(){if(f(this.options.connectionsDataSource)){this.widget._isEditable=!0;let e=this.options.dataSource||{},t=Array.isArray(e)?{data:e}:e;this.dataSource&&this._shapesRefreshHandler?this.dataSource.unbind(`change`,this._shapesRefreshHandler).unbind(`requestStart`,this._shapesRequestStartHandler).unbind(`error`,this._shapesErrorHandler):(this._shapesRefreshHandler=this._refreshShapes.bind(this),this._shapesRequestStartHandler=this._shapesRequestStart.bind(this),this._shapesErrorHandler=this._error.bind(this)),this.dataSource=m.create(t).bind(`change`,this._shapesRefreshHandler).bind(`requestStart`,this._shapesRequestStartHandler).bind(`error`,this._shapesErrorHandler)}else this._treeDataSource(),this.widget._isEditable=!1},_connectionDataSource(){let e=this.options.connectionsDataSource;if(e){let t=Array.isArray(e)?{data:e}:e;this.connectionsDataSource&&this._connectionsRefreshHandler?this.connectionsDataSource.unbind(`change`,this._connectionsRefreshHandler).unbind(`requestStart`,this._connectionsRequestStartHandler).unbind(`error`,this._connectionsErrorHandler):(this._connectionsRefreshHandler=this._refreshConnections.bind(this),this._connectionsRequestStartHandler=this._connectionsRequestStart.bind(this),this._connectionsErrorHandler=this._connectionsError.bind(this)),this.connectionsDataSource=m.create(t).bind(`change`,this._connectionsRefreshHandler).bind(`requestStart`,this._connectionsRequestStartHandler).bind(`error`,this._connectionsErrorHandler)}},_shapesRequestStart(e){e.type===`read`&&(this._loadingShapes=!0)},_connectionsRequestStart(e){e.type===`read`&&(this._loadingConnections=!0)},_error(){this._loadingShapes=!1},_connectionsError(){this._loadingConnections=!1},_refreshShapes(e){e.action===`remove`?this._shouldRefresh()&&this._removeShapes(e.items):e.action===`itemchange`?this._shouldRefresh()&&this._updateShapes(e.items,e.field):e.action===`add`?this._inactiveShapeItems.add(e.items):e.action===`sync`?this._syncShapes():this.refresh()},_shouldRefresh(){return this.widget._shouldRefresh()},_suspendModelRefresh(){this.widget._suspendModelRefresh()},_resumeModelRefresh(){this.widget._resumeModelRefresh()},refresh(){this._loadingShapes=!1,this._loadingConnections||this._rebindShapesAndConnections()},_rebindShapesAndConnections(){this.clear(),this._addShapes(this.dataSource.view()),this.connectionsDataSource&&this._addConnections(this.connectionsDataSource.view(),!1),this.options.layout?this.layout(this.options.layout):this._redrawConnections(),this.trigger(`dataBound`)},refreshConnections(){this._loadingConnections=!1,this._loadingShapes||this._rebindShapesAndConnections()},_redrawConnections(){this.widget._redrawConnections()},_removeShapes(e){let t=this.widget._dataMap,n,r;for(r=0;r<e.length;r++)n=e[r],t[n.id]&&(this.remove(t[n.id],!1),t[n.id]=null)},_syncShapes(){let e=this._inactiveShapeItems;e.forEach(t=>{let n=t.dataItem,r=t.element;n.isNew()||(r?(r._setOptionsFromModel(),this.addShape(r,t.undoable),this.widget._dataMap[n.id]=r):this._addDataItem(n),t.activate(),e.remove(n))})},_updateShapes(e,t){for(let n=0;n<e.length;n++){let r=e[n],i=this.widget._dataMap[r.id];i&&i.updateOptionsFromModel(r,t)}},_addShapes(e){for(let t=0;t<e.length;t++)this._addDataItem(e[t],!1)},_addDataItem(e,t){if(!E(e))return;let n=this.widget._dataMap[e.id];if(n)return n;let r=a({},this.widget.options.shapeDefaults);return r.dataItem=e,n=new $(r,this.widget),this.addShape(n,t!==!1),this.widget._dataMap[e.id]=n,n},_refreshConnections(e){e.action===`remove`?this._shouldRefresh()&&this._removeConnections(e.items):e.action===`add`?this._addConnections(e.items):e.action===`sync`||(e.action===`itemchange`?this._shouldRefresh()&&this._updateConnections(e.items):this.refreshConnections())},_removeConnections(e){for(let t=0;t<e.length;t++)this.remove(this.widget._connectionsDataMap[e[t].uid],!1),this.widget._connectionsDataMap[e[t].uid]=null},_updateConnections(e){for(let t=0;t<e.length;t++){let n=e[t];this.widget._connectionsDataMap[n.uid].updateOptionsFromModel(n)}},_addConnections(e,t){this.widget._addConnections(e,t)},_addShape(e,t){let n=this.dataSource,r;if(n&&this._isEditable){if(r=se(n,oe(e.dataItem)),e.dataItem=r,e.updateModel(),!this.trigger(`add`,{shape:e})){this.dataSource.add(r);let n=this.widget._inactiveShapeItems.getByUid(r.uid);return n.element=e,n.undoable=t,e}}else if(!this.trigger(`add`,{shape:e}))return this.addShape(e,t)},_addConnection(e,t){let n=this.connectionsDataSource,r;if(n&&this._isEditable){if(r=se(n,oe(e.dataItem)),e.dataItem=r,e.updateModel(),!this.trigger(`add`,{connection:e}))return this.widget._connectionsDataMap[r.uid]=e,n.add(r),this.addConnection(e,t),e._updateConnectors(),e}else if(!this.trigger(`add`,{connection:e}))return this.addConnection(e,t),e._updateConnectors(),e},_treeDataSource(){let e=this.widget.options.dataSource;if(e=Array.isArray(e)?{data:e}:e,e instanceof m&&!(e instanceof l))throw Error(`Incorrect DataSource type. If a single dataSource instance is set to the diagram then it should be a HierarchicalDataSource. You should set only the options instead of an instance or a HierarchicalDataSource instance or supply connectionsDataSource as well.`);e.fields||=[{field:`text`},{field:`url`},{field:`spriteCssClass`},{field:`imageUrl`}],this.dataSource&&this._refreshHandler&&this._unbindDataSource(),this._refreshHandler=this._refreshSource.bind(this),this._errorHandler=this._error.bind(this),this.dataSource=l.create(e).bind(v,this._refreshHandler).bind(y,this._errorHandler)},_unbindDataSource(){this.dataSource.unbind(v,this._refreshHandler).unbind(y,this._errorHandler)},_refreshSource(e){let t=e.node,n=e.action,r=e.items,i=this.options,a,o;if(e.field){for(a=0;a<r.length;a++)this.widget._dataMap[r[a].uid]&&this.widget._dataMap[r[a].uid].redrawVisual();return}if(n===`remove`)this._removeDataItems(e.items,!0);else for((!n||n===`itemloaded`)&&!this._bindingRoots&&(this._bindingRoots=!0,o=!0),!n&&!t&&this.clear(),this.widget._addDataItems(r,t),a=0;a<r.length;a++)r[a].load();i.layout&&(o||n===`remove`||n===`add`)&&this.layout(i.layout),o&&(this.trigger(`dataBound`),this._bindingRoots=!1)},_removeDataItems(e,t){let n,r,i,a;for(e=Array.isArray(e)?e:[e];e.length;)if(n=e.shift(),i=this.widget._dataMap[n.uid],i&&(this.widget._removeShapeConnections(i),this.widget._removeItem(i,!1),delete this.widget._dataMap[n.uid],t&&n.hasChildren&&n.loaded()))for(r=n.children.data(),a=0;a<r.length;a++)e.push(r[a])},_removeConnectionDataItem(e){this.connectionsDataSource.remove(e)},_removeShapeDataItem(e){this.dataSource.remove(e)},_clearTooltips:function(){this._shapeTooltip&&=(this._shapeTooltip.remove(),null),this._connectionTooltip&&=(this._connectionTooltip.remove(),null)},_positionTooltip:function(e,t,n){let r=this.widget,i=r.zoom(),a=r.pan(),o=e[0],s=o.getBoundingClientRect(),c=r.element.getBoundingClientRect(),l=r.element.ownerDocument.defaultView,u=r.connections.map(e=>e.allPoints()),d=gv({hovered:t,mouse:n,shapes:r.shapes.map(e=>e.bounds()),connections:u,diagramRect:c,zoom:i,pan:a,tooltipSize:{width:s.width,height:s.height},viewportBounds:new DOMRect(0,0,l.innerWidth,l.innerHeight)});o.style.left=te(d.left+l.scrollX),o.style.top=te(d.top+l.scrollY)},_createTooltip:function(t,n,r,i){let a=this,o=i?`_shapeTooltip`:`_connectionTooltip`;a[o]=e(ee(kendo.template(r)(t))).css(`position`,`absolute`),a._positionTooltip(a[o],t,n),a[o].appendTo(`body`)},_destroyEditor:function(){this.editor&&=(this.editor.close(),null)}});n.ExportMixin.extend(w.fn,!0),kendo.PDFMixin&&kendo.PDFMixin.extend(w.fn);var ne=kendo.Observable.extend({init:function(e,t){kendo.Observable.fn.init.call(this),this.diagram=e,this.options=a({},this.options,t),this._tools=[],this.createToolBar(),this.createTools(),this.appendTools(),this.options.modal&&this.createPopup(),this.bind(this.events,t)},events:[`click`],createPopup:function(){this.container=e(`<div/>`).append(this.element),this._popup=this.container.kendoPopup({}).getKendoPopup()},appendTools:function(){for(var e=0;e<this._tools.length;e++){var t=this._tools[e];(t.buttons&&t.buttons.length||!f(t.buttons))&&this._toolBar.add(t)}},createToolBar:function(){this.element=e(`<div/>`),this._toolBar=this.element.kendoToolBar({click:this.click.bind(this),resizable:!1}).getKendoToolBar(),this.element.css(`border`,`none`)},createTools:function(){for(var e=0;e<this.options.tools.length;e++)this.createTool(this.options.tools[e])},createTool:function(e){p(e)||(e={name:e});var t=e.name+`Tool`;this[t]?this[t](e):this._tools.push(a({},e,{attributes:this._setAttributes({action:e.name})}))},showAt:function(e){var t=parseInt(this.options.popupZIndex,10);this._popup&&(this._popup.open(e.x,e.y),t&&this._popup.wrapper.css(`zIndex`,t))},hide:function(){this._popup&&this._popup.close()},newGroup:function(){return{type:`buttonGroup`,buttons:[]}},editTool:function(){this._tools.push({icon:`pencil`,showText:`overflow`,type:`button`,text:`Edit`,attributes:this._setAttributes({action:`edit`})})},deleteTool:function(){this._tools.push({icon:`x`,showText:`overflow`,type:`button`,text:`Delete`,attributes:this._setAttributes({action:`delete`})})},rotateAnticlockwiseTool:function(e){this._appendGroup(`rotate`),this._rotateGroup.buttons.push({icon:`rotate-left`,showText:`overflow`,text:`RotateAnticlockwise`,group:`rotate`,attributes:this._setAttributes({action:`rotateAnticlockwise`,step:e.step})})},rotateClockwiseTool:function(e){this._appendGroup(`rotate`),this._rotateGroup.buttons.push({icon:`rotate-right`,attributes:this._setAttributes({action:`rotateClockwise`,step:e.step}),showText:`overflow`,text:`RotateClockwise`,group:`rotate`})},createShapeTool:function(){this._appendGroup(`create`),this._createGroup.buttons.push({icon:`shapes`,showText:`overflow`,text:`CreateShape`,group:`create`,attributes:this._setAttributes({action:`createShape`})})},createConnectionTool:function(){this._appendGroup(`create`),this._createGroup.buttons.push({icon:`connector`,showText:`overflow`,text:`CreateConnection`,group:`create`,attributes:this._setAttributes({action:`createConnection`})})},undoTool:function(){this._appendGroup(`history`),this._historyGroup.buttons.push({icon:`undo`,showText:`overflow`,text:`Undo`,group:`history`,attributes:this._setAttributes({action:`undo`})})},redoTool:function(){this._appendGroup(`history`),this._historyGroup.buttons.push({icon:`redo`,showText:`overflow`,text:`Redo`,group:`history`,attributes:this._setAttributes({action:`redo`})})},_appendGroup:function(e){var t=`_`+e+`Group`;this[t]||(this[t]=this.newGroup(),this._tools.push(this[t]))},_setAttributes:function(e){var t={};return e.action&&(t[kendo.attr(`action`)]=e.action),e.step&&(t[kendo.attr(`step`)]=e.step),t},_getAttributes:function(e){var t={},n=e.attr(kendo.attr(`action`));n&&(t.action=n);var r=e.attr(kendo.attr(`step`));return r&&(t.step=r),t},click:function(t){var n=this._getAttributes(e(t.target)),r=n.action;r&&this[r]&&this[r](n),this.trigger(`click`,this.eventData(r,t.target))},eventData:function(e,t){for(var n=this.selectedElements(),r=n.length,i=[],a=[],o,s=0;s<r;s++)o=n[s],o instanceof $?i.push(o):a.push(o);return{shapes:i,connections:a,action:e,target:t}},delete:function(){var e=this.diagram.widget._triggerRemove(this.selectedElements());e.length&&(this.diagram.remove(e,!0),this.diagram._syncChanges())},edit:function(){var e=this.selectedElements();e.length===1&&this.diagram.edit(e[0])},rotateClockwise:function(e){var t=parseFloat(e.step||90);this._rotate(t)},rotateAnticlockwise:function(e){var t=parseFloat(e.step||90);this._rotate(-t)},_rotate:function(e){var t=this.diagram.widget._resizingAdorner;t.angle(t.angle()+e),t.rotate()},selectedElements:function(){return this.diagram.select()},createShape:function(){this.diagram.createShape()},createConnection:function(){this.diagram.createConnection()},undo:function(){this.diagram.undo()},redo:function(){this.diagram.redo()},destroy:function(){this.diagram=null,this.element=null,this.options=null,this._toolBar&&this._toolBar.destroy(),this._popup&&this._popup.destroy()}}),re=kendo.Observable.extend({init:function(e,t){kendo.Observable.fn.init.call(this),this.options=c(!0,{},this.options,t),this.element=e,this.model=this.options.model,this.fields=this._getFields(),this._initContainer(),this.createEditable()},options:{editors:{}},_initContainer:function(){this.wrapper=this.element},createEditable:function(){var e=this.options;this.editable=new kendo.ui.Editable(this.wrapper,{fields:this.fields,target:e.target,clearContainer:!1,model:this.model})},_isEditable:function(e){return this.model.editable&&this.model.editable(e)},_getFields:function(){var e=[];for(var t in this.model.fields){var n={};if(this._isEditable(t)){var r=this.options.editors[t];r&&(n.editor=r),n.field=t,e.push(n)}}return e},end:function(){return this.editable.end()},destroy:function(){this.editable.destroy(),this.editable.element.find(`[`+kendo.attr(`container-for`)+`]`).empty(),this.model=this.wrapper=this.element=this.columns=this.editable=null}}),ie=re.extend({init:function(e,t){re.fn.init.call(this,e,t),this.bind(this.events,this.options),this.open(),i.fn.endInit.call(this)},events:[`update`,`cancel`],options:{window:{modal:!0,resizable:!1,draggable:!0,title:`Edit`,visible:!1}},_initContainer:function(){var t=this;this.wrapper=e(`<div class="k-popup-edit-form"/>`).attr(kendo.attr(`uid`),this.model.uid);var n=``;this.options.template?(n+=this._renderTemplate(),this.fields=[]):n+=this._renderFields(),n+=this._renderButtons(),this.wrapper.append(e(`<div class="k-edit-form-container"/>`).append(n)),this.window=new kendo.ui.Window(this.wrapper.appendTo(this.element),this.options.window),this.window.bind(`close`,function(e){e.userTriggered&&(e.sender.element.trigger(`focus`),t._cancelClick(e))}),this._attachButtonEvents()},_renderTemplate:function(){var e=this.options.template;return typeof e==`string`&&(e=kendo.unescape(e)),e=kendo.template(e)(this.model),e},_renderFields:function(){for(var e=``,t=0;t<this.fields.length;t++){var n=this.fields[t];e+=`<div class="k-edit-label"><label for="`+n.field+`">`+(n.field||``)+`</label></div>`,this._isEditable(n.field)&&(e+=`<div `+kendo.attr(`container-for`)+`="`+n.field+`" class="k-edit-field"></div>`)}return e},_renderButtons:function(){var e=`<div class="k-edit-buttons">`;return e+=this._createButton(`update`),e+=this._createButton(`cancel`),e+=`</div>`,e},_createButton:function(e){return kendo.template(b)(C[e])},_attachButtonEvents:function(){this._cancelClickHandler=this._cancelClick.bind(this),this.window.element.on(g+h,`button.k-diagram-cancel`,this._cancelClickHandler),this._updateClickHandler=this._updateClick.bind(this),this.window.element.on(g+h,`button.k-diagram-update`,this._updateClickHandler)},_updateClick:function(e){e.preventDefault(),this.trigger(`update`)},_cancelClick:function(e){e.preventDefault(),this.trigger(`cancel`)},open:function(){this.window.center().open()},close:function(){this.window.bind(`deactivate`,this.destroy.bind(this)).close()},destroy:function(){this.window.close().destroy(),this.window.element.off(g+h,`a.k-diagram-cancel`,this._cancelClickHandler),this.window.element.off(g+h,`a.k-diagram-update`,this._updateClickHandler),this._cancelClickHandler=null,this._editUpdateClickHandler=null,this.window=null,re.fn.destroy.call(this)}});function ae(t,n){var r=this.dataSource.reader.model;if(r){var i=r.fn.fields.text?`text`:r.idField;e(`<input name='`+n.field+`' />`).appendTo(t).kendoDropDownList({dataValueField:r.idField,dataTextField:i,dataSource:this.dataSource.data().toJSON(),optionLabel:` `,valuePrimitive:!0})}}function oe(e){var t=e;return e instanceof kendo.data.Model&&(t=e.toJSON(),t[e.idField]=e._defaultId),t}function se(e,t){return e.reader.model?new e.reader.model(t):new kendo.data.ObservableObject(t)}n.ui.plugin(w),a(r,{Shape:$,Connection:b_,Connector:th,DiagramToolBar:ne,QuadNode:W_,QuadRoot:U_,ShapesQuadTree:G_,PopupEditor:ie})})(window.kendo.jQuery);let yv={id:`dataviz.diagram`,name:`Diagram`,category:`dataviz`,description:`The Kendo DataViz Diagram `,depends:[`data`,`userevents`,`mobile.scroller`,`draganddrop`,`drawing`,`dataviz.core`,`dataviz.themes`,`toolbar`],features:[{id:`dataviz.diagram-pdf-export`,name:`PDF export`,description:`Export Diagram as PDF`,depends:[`pdf`]},{id:`dataviz.diagram-editing`,name:`Editing`,description:`Support for model editing`,depends:[`editable`,`window`,`dropdownlist`]}]};var bv=kendo;e.__meta__=yv,e.default=bv});
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