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t=0,i=e.length,n=i,o=null,s=0,r=null,a=0,d=null;n--;)r=(o=e[n])._data.layout,null==d&&(d=o.parent._data),s=this._layout_offset_subnodes(o.children),o.expanded||(s=0,this.set_visible(o.children,!1)),s=Math.max(o._data.view.height,s),this._should_reserve_cousin_space(o)&&(s+=this.opts.cousin_space),r.outer_height=s,r.offset_y=a-s/2,r.offset_x=this.opts.hspace*r.direction+d.view.width*(d.layout.direction+r.direction)/2,o.parent.isroot||(r.offset_x+=this.opts.pspace*r.direction),a=a-s-this.opts.vspace,t+=s;i>1&&(t+=this.opts.vspace*(i-1)),n=i;for(var l=t/2;n--;)(o=e[n])._data.layout.offset_y+=l;return t}_layout_offset_subnodes_height(e){for(var t=0,i=e.length,n=i,o=null,s=0,r=null,a=0,d=null;n--;)r=(o=e[n])._data.layout,null==d&&(d=o.parent._data),s=this._layout_offset_subnodes_height(o.children),o.expanded||(s=0),s=Math.max(o._data.view.height,s),this._should_reserve_cousin_space(o)&&(s+=this.opts.cousin_space),r.outer_height=s,r.offset_y=a-s/2,a=a-s-this.opts.vspace,t+=s;i>1&&(t+=this.opts.vspace*(i-1)),n=i;for(var l=t/2;n--;)(o=e[n])._data.layout.offset_y+=l;return t}_should_reserve_cousin_space(e){return e.children.length>0&&e.parent.children.length>1}get_node_offset(e){var t=e._data.layout,i=null;if("_offset_"in t&&this.cache_valid?i=t._offset_:(i={x:-1,y:-1},t._offset_=i),-1==i.x||-1==i.y){var n=t.offset_x,o=t.offset_y;if(!e.isroot){var s=this.get_node_offset(e.parent);n+=s.x,o+=s.y}i.x=n,i.y=o}return i}get_node_point(e){var t=e._data.view,i=this.get_node_offset(e),n={};return n.x=i.x+t.width*(e._data.layout.direction-1)/2,n.y=i.y-t.height/2,n}get_node_point_in(e){return this.get_node_offset(e)}get_node_point_out(e){var t=e._data.layout,i=null;if("_pout_"in t&&this.cache_valid?i=t._pout_:(i={x:-1,y:-1},t._pout_=i),-1==i.x||-1==i.y)if(e.isroot)i.x=0,i.y=0;else{var n=e._data.view,o=this.get_node_offset(e);i.x=o.x+(n.width+this.opts.pspace)*e._data.layout.direction,i.y=o.y}return i}get_expander_point(e){var i=this.get_node_point_out(e),n={};return e._data.layout.direction==t.right?n.x=i.x-this.opts.pspace:n.x=i.x,n.y=i.y-Math.ceil(this.opts.pspace/2),n}get_min_size(){var e=this.jm.mind.nodes,t=null,i=null;for(var n in e)t=e[n],(i=this.get_node_point_out(t)).x>this.bounds.e&&(this.bounds.e=i.x),i.x<this.bounds.w&&(this.bounds.w=i.x);return{w:this.bounds.e-this.bounds.w,h:this.bounds.s-this.bounds.n}}toggle_node(e){e.isroot||(e.expanded?this.collapse_node(e):this.expand_node(e))}expand_node(e){e.expanded=!0,this.part_layout(e),this.set_visible(e.children,!0),this.jm.invoke_event_handle(i.show,{evt:"expand_node",data:[],node:e.id})}collapse_node(e){e.expanded=!1,this.part_layout(e),this.set_visible(e.children,!1),this.jm.invoke_event_handle(i.show,{evt:"collapse_node",data:[],node:e.id})}expand_all(){var e,t=this.jm.mind.nodes,i=0;for(var n in t)(e=t[n]).expanded||(e.expanded=!0,i++);if(i>0){var o=this.jm.mind.root;this.part_layout(o),this.set_visible(o.children,!0)}}collapse_all(){var e,t=this.jm.mind.nodes,i=0;for(var n in t)(e=t[n]).expanded&&!e.isroot&&(e.expanded=!1,i++);if(i>0){var o=this.jm.mind.root;this.part_layout(o),this.set_visible(o.children,!0)}}expand_to_depth(e,t,i){if(!(e<1))for(var n=t||this.jm.mind.root.children,o=i||1,s=n.length,r=null;s--;)r=n[s],o<e&&(r.expanded||this.expand_node(r),this.expand_to_depth(e,r.children,o+1)),o==e&&r.expanded&&this.collapse_node(r)}part_layout(e){var i=this.jm.mind.root;if(i){var n=i._data.layout;e.isroot?(n.outer_height_right=this._layout_offset_subnodes_height(n.right_nodes),n.outer_height_left=this._layout_offset_subnodes_height(n.left_nodes)):e._data.layout.direction==t.right?n.outer_height_right=this._layout_offset_subnodes_height(n.right_nodes):n.outer_height_left=this._layout_offset_subnodes_height(n.left_nodes),this.bounds.s=Math.max(n.outer_height_left,n.outer_height_right),this.cache_valid=!1}else s.warn("can not found root node")}set_visible(e,t){for(var i=e.length,n=null;i--;)(n=e[i])._data.layout,n.expanded?this.set_visible(n.children,t):this.set_visible(n.children,!1),n.isroot||(n._data.layout.visible=t)}is_expand(e){return e.expanded}is_visible(e){var t=e._data.layout;return!("visible"in t&&!t.visible)}}class v{constructor(e){this.view=e,this.opts=e.opts,this.e_svg=v.c("svg"),this.e_svg.setAttribute("class","jsmind"),this.size={w:0,h:0},this.lines=[],this.line_drawing={straight:this._line_to,curved:this._bezier_to},this.init_line_render()}static c(e){return r.d.createElementNS("http://www.w3.org/2000/svg",e)}init_line_render(){"function"==typeof this.opts.custom_line_render?this.drawing=(e,t,i,n,o)=>{try{this.opts.custom_line_render.call(this,{ctx:e,start_point:{x:t,y:i},end_point:{x:n,y:o}})}catch(e){s.error("custom line renderer error: ",e)}}:this.drawing=this.line_drawing[this.opts.line_style]||this.line_drawing.curved}element(){return this.e_svg}set_size(e,t){this.size.w=e,this.size.h=t,this.e_svg.setAttribute("width",e),this.e_svg.setAttribute("height",t)}clear(){for(var e=this.lines.length;e--;)this.e_svg.removeChild(this.lines[e]);this.lines.length=0}draw_line(e,t,i,n){var o=v.c("path");o.setAttribute("stroke",n||this.opts.line_color),o.setAttribute("stroke-width",this.opts.line_width),o.setAttribute("fill","transparent"),this.lines.push(o),this.e_svg.appendChild(o),this.drawing(o,t.x+i.x,t.y+i.y,e.x+i.x,e.y+i.y)}copy_to(e,t){var i=new Image;i.onload=function(){e.drawImage(i,0,0),t&&t()},i.src="data:image/svg+xml;base64,"+btoa((new XMLSerializer).serializeToString(this.e_svg))}_bezier_to(e,t,i,n,o){e.setAttribute("d","M "+t+" "+i+" C "+(t+2*(n-t)/3)+" "+i+", "+t+" "+o+", "+n+" "+o)}_line_to(e,t,i,n,o){e.setAttribute("d","M "+t+" "+i+" L "+n+" "+o)}}class f{constructor(e){this.opts=e.opts,this.e_canvas=r.c("canvas"),this.e_canvas.className="jsmind",this.canvas_ctx=this.e_canvas.getContext("2d"),this.size={w:0,h:0},this.line_drawing={straight:this._line_to,curved:this._bezier_to},this.dpr=e.device_pixel_ratio,this.init_line_render()}init_line_render(){"function"==typeof this.opts.custom_line_render?this.drawing=(e,t,i,n,o)=>{try{this.opts.custom_line_render.call(this,{ctx:e,start_point:{x:t,y:i},end_point:{x:n,y:o}})}catch(e){s.error("custom line render error: ",e)}}:this.drawing=this.line_drawing[this.opts.line_style]||this.line_drawing.curved}element(){return this.e_canvas}set_size(e,t){this.size.w=e,this.size.h=t,this.e_canvas.width&&this.e_canvas.height&&this.canvas_ctx.scale?(this.e_canvas.width=e*this.dpr,this.e_canvas.height=t*this.dpr,this.e_canvas.style.width=e+"px",this.e_canvas.style.height=t+"px",this.canvas_ctx.scale(this.dpr,this.dpr)):(this.e_canvas.width=e,this.e_canvas.height=t)}clear(){this.canvas_ctx.clearRect(0,0,this.size.w,this.size.h)}draw_line(e,t,i,n){var o=this.canvas_ctx;o.strokeStyle=n||this.opts.line_color,o.lineWidth=this.opts.line_width,o.lineCap="round",this.drawing(o,t.x+i.x,t.y+i.y,e.x+i.x,e.y+i.y)}copy_to(e,t){e.drawImage(this.e_canvas,0,0,this.size.w,this.size.h),t&&t()}_bezier_to(e,t,i,n,o){e.beginPath(),e.moveTo(t,i),e.bezierCurveTo(t+2*(n-t)/3,i,t,o,n,o),e.stroke()}_line_to(e,t,i,n,o){e.beginPath(),e.moveTo(t,i),e.lineTo(n,o),e.stroke()}}class g{constructor(e,t){this.opts=t,this.jm=e,this.layout=e.layout,this.container=null,this.e_panel=null,this.e_nodes=null,this.size={w:0,h:0},this.selected_node=null,this.editing_node=null,this.graph=null,this.render_node=t.custom_node_render?this._custom_node_render:this._default_node_render,this.zoom_current=1,this.device_pixel_ratio=this.opts.enable_device_pixel_ratio&&r.w.devicePixelRatio||1,this._initialized=!1}init(){if(s.debug(this.opts),s.debug("view.init"),this.container=r.i(this.opts.container)?this.opts.container:r.g(this.opts.container),this.container){var e;this.graph=(e=this,"svg"===this.opts.engine.toLowerCase()?new v(e):new f(e)),this.e_panel=r.c("div"),this.e_nodes=r.c("jmnodes"),this.e_editor=r.c("input"),this.e_panel.className="jsmind-inner jmnode-overflow-"+this.opts.node_overflow,this.e_panel.tabIndex=1,this.e_panel.appendChild(this.graph.element()),this.e_panel.appendChild(this.e_nodes),this.e_editor.className="jsmind-editor",this.e_editor.type="text";var t=this;r.on(this.e_editor,"keydown",(function(e){var i=e||event;13==i.keyCode&&(t.edit_node_end(),i.stopPropagation())})),r.on(this.e_editor,"blur",(function(e){t.edit_node_end()})),this.container.appendChild(this.e_panel),this.container.offsetParent||new IntersectionObserver(((e,t)=>{e[0].isIntersecting&&(t.unobserve(this.e_panel),this.resize())})).observe(this.e_panel)}else s.error("the options.view.container was not be found in dom")}add_event(e,t,i,n){let o=n?this.e_panel:this.e_nodes;r.on(o,t,(function(t){var n=t||event;i.call(e,n)}))}get_binded_nodeid(e){if(null==e)return null;var t=e.tagName.toLowerCase();return"jmnode"==t||"jmexpander"==t?e.getAttribute("nodeid"):"jmnodes"==t||"body"==t||"html"==t?null:this.get_binded_nodeid(e.parentElement)}is_node(e){if(null==e)return!1;var t=e.tagName.toLowerCase();return"jmnode"==t||"jmnodes"!=t&&"body"!=t&&"html"!=t&&this.is_node(e.parentElement)}is_expander(e){return"jmexpander"==e.tagName.toLowerCase()}reset(){s.debug("view.reset"),this.selected_node=null,this.clear_lines(),this.clear_nodes(),this.reset_theme()}reset_theme(){var e=this.jm.options.theme;this.e_nodes.className=e?"theme-"+e:""}reset_custom_style(){var e=this.jm.mind.nodes;for(var t in e)this.reset_node_custom_style(e[t])}load(){s.debug("view.load"),this.setup_canvas_draggable(this.opts.draggable),this.init_nodes(),this._initialized=!0}expand_size(){var e=this.layout.get_min_size(),t=e.w+2*this.opts.hmargin,i=e.h+2*this.opts.vmargin,n=this.e_panel.clientWidth,o=this.e_panel.clientHeight;n<t&&(n=t),o<i&&(o=i),this.size.w=n,this.size.h=o}init_nodes_size(e){var t=e._data.view;t.width=t.element.clientWidth,t.height=t.element.clientHeight}init_nodes(){var e=this.jm.mind.nodes,t=r.d.createDocumentFragment();for(var i in e)this.create_node_element(e[i],t);this.e_nodes.appendChild(t),this.run_in_c11y_mode_if_needed((()=>{for(var t in e)this.init_nodes_size(e[t])}))}add_node(e){this.create_node_element(e,this.e_nodes),this.run_in_c11y_mode_if_needed((()=>{this.init_nodes_size(e)}))}run_in_c11y_mode_if_needed(e){this.container.offsetParent?e():(s.warn("init nodes in compatibility mode. because the container or its parent has style {display:none}. "),this.e_panel.style.position="absolute",this.e_panel.style.top="-100000",r.d.body.appendChild(this.e_panel),e(),this.container.appendChild(this.e_panel),this.e_panel.style.position=null,this.e_panel.style.top=null)}create_node_element(e,t){var i=null;"view"in e._data?i=e._data.view:(i={},e._data.view=i);var n=r.c("jmnode");if(e.isroot)n.className="root";else{var o=r.c("jmexpander");r.t(o,"-"),o.setAttribute("nodeid",e.id),o.style.visibility="hidden",t.appendChild(o),i.expander=o}e.topic&&this.render_node(n,e),n.setAttribute("nodeid",e.id),n.style.visibility="hidden",this._reset_node_custom_style(n,e.data),t.appendChild(n),i.element=n}remove_node(e){null!=this.selected_node&&this.selected_node.id==e.id&&(this.selected_node=null),null!=this.editing_node&&this.editing_node.id==e.id&&(e._data.view.element.removeChild(this.e_editor),this.editing_node=null);for(var t=e.children,i=t.length;i--;)this.remove_node(t[i]);if(e._data.view){var n=e._data.view.element,o=e._data.view.expander;this.e_nodes.removeChild(n),this.e_nodes.removeChild(o),e._data.view.element=null,e._data.view.expander=null}}update_node(e){var t=e._data.view,i=t.element;if(e.topic&&this.render_node(i,e),this.layout.is_visible(e))t.width=i.clientWidth,t.height=i.clientHeight;else{let e=i.getAttribute("style");i.style="visibility: visible; left:0; top:0;",t.width=i.clientWidth,t.height=i.clientHeight,i.style=e}}select_node(e){if(this.selected_node){var t=this.selected_node._data.view.element;t.className=t.className.replace(/\s*selected\b/i,""),this.restore_selected_node_custom_style(this.selected_node)}e&&(this.selected_node=e,e._data.view.element.className+=" selected",this.clear_selected_node_custom_style(e))}select_clear(){this.select_node(null)}get_editing_node(){return this.editing_node}is_editing(){return!!this.editing_node}edit_node_begin(e){if(e.topic){null!=this.editing_node&&this.edit_node_end(),this.editing_node=e;var t=e._data.view.element,i=e.topic,n=getComputedStyle(t);this.e_editor.value=i,this.e_editor.style.width=t.clientWidth-parseInt(n.getPropertyValue("padding-left"))-parseInt(n.getPropertyValue("padding-right"))+"px",t.innerHTML="",t.appendChild(this.e_editor),t.style.zIndex=5,this.e_editor.focus(),this.e_editor.select()}else s.warn("don't edit image nodes")}edit_node_end(){if(null!=this.editing_node){var e=this.editing_node;this.editing_node=null;var t=e._data.view.element,i=this.e_editor.value;t.style.zIndex="auto",t.removeChild(this.e_editor),a.text.is_empty(i)||e.topic===i?this.render_node(t,e):this.jm.update_node(e.id,i)}this.e_panel.focus()}get_view_offset(){var e=this.layout.bounds;return{x:(this.size.w-e.e-e.w)/2,y:this.size.h/2}}resize(){this.graph.set_size(1,1),this.e_nodes.style.width="1px",this.e_nodes.style.height="1px",this.expand_size(),this._show()}_show(){this.graph.set_size(this.size.w,this.size.h),this.e_nodes.style.width=this.size.w+"px",this.e_nodes.style.height=this.size.h+"px",this.show_nodes(),this.show_lines(),this.jm.invoke_event_handle(i.resize,{data:[]})}zoom_in(e){return this.set_zoom(this.zoom_current+this.opts.zoom.step,e)}zoom_out(e){return this.set_zoom(this.zoom_current-this.opts.zoom.step,e)}set_zoom(e,t){if(e<this.opts.zoom.min||e>this.opts.zoom.max)return!1;let i=this.e_panel.getBoundingClientRect();if(e<1&&e<this.zoom_current&&this.size.w*e<i.width&&this.size.h*e<i.height)return!1;let n=t?{x:t.x-i.x,y:t.y-i.y}:{x:i.width/2,y:i.height/2},o=(this.e_panel.scrollLeft+n.x)*e/this.zoom_current-n.x,s=(this.e_panel.scrollTop+n.y)*e/this.zoom_current-n.y;this.zoom_current=e;for(var r=0;r<this.e_panel.children.length;r++)this.e_panel.children[r].style.zoom=e;return this._show(),this.e_panel.scrollLeft=o,this.e_panel.scrollTop=s,!0}show(e){s.debug(`view.show: {keep_center: ${e}}`),this.expand_size(),this._show(),e&&this.center_node(this.jm.mind.root)}relayout(){this.expand_size(),this._show()}save_location(e){var t=e._data.view;t._saved_location={x:parseInt(t.element.style.left)-this.e_panel.scrollLeft,y:parseInt(t.element.style.top)-this.e_panel.scrollTop}}restore_location(e){var t=e._data.view;this.e_panel.scrollLeft=parseInt(t.element.style.left)-t._saved_location.x,this.e_panel.scrollTop=parseInt(t.element.style.top)-t._saved_location.y}clear_nodes(){var e=this.jm.mind;if(null!=e){var t=e.nodes,i=null;for(var n in t)(i=t[n])._data.view.element=null,i._data.view.expander=null;this.e_nodes.innerHTML=""}}show_nodes(){var e=this.jm.mind.nodes,t=null,i=null,n=null,o=null,s=this.get_view_offset();for(var r in e)i=(o=(t=e[r])._data.view).element,this.layout.is_visible(t)?(this.reset_node_custom_style(t),n=this.layout.get_node_point(t),o.abs_x=s.x+n.x,o.abs_y=s.y+n.y,i.style.left=s.x+n.x+"px",i.style.top=s.y+n.y+"px",i.style.display="",i.style.visibility="visible",this._show_expander(t,s)):(i.style.display="none",o.expander.style.display="none")}_show_expander(e,t){if(e.isroot)return;var i=e._data.view.expander;if(0==e.children.length)return i.style.display="none",void(i.style.visibility="hidden");let n=this._get_expander_text(e);r.t(i,n);let o=this.layout.get_expander_point(e);i.style.left=t.x+o.x+"px",i.style.top=t.y+o.y+"px",i.style.display="",i.style.visibility="visible"}_get_expander_text(e){let t=this.opts.expander_style?this.opts.expander_style.toLowerCase():"char";return"number"===t?e.children.length>99?"...":e.children.length:"char"===t?e.expanded?"-":"+":void 0}_default_node_render(e,t){this.opts.support_html?r.h(e,t.topic):r.t(e,t.topic)}_custom_node_render(e,t){this.opts.custom_node_render(this.jm,e,t)||this._default_node_render(e,t)}reset_node_custom_style(e){this._reset_node_custom_style(e._data.view.element,e.data)}_reset_node_custom_style(e,t){if("background-color"in t&&(e.style.backgroundColor=t["background-color"]),"foreground-color"in t&&(e.style.color=t["foreground-color"]),"width"in t&&(e.style.width=t.width+"px"),"height"in t&&(e.style.height=t.height+"px"),"font-size"in t&&(e.style.fontSize=t["font-size"]+"px"),"font-weight"in t&&(e.style.fontWeight=t["font-weight"]),"font-style"in t&&(e.style.fontStyle=t["font-style"]),"background-image"in t){var i=t["background-image"];if(i.startsWith("data")&&t.width&&t.height){var n=new Image;n.onload=function(){var t=r.c("canvas");t.width=e.clientWidth,t.height=e.clientHeight;if(t.getContext){t.getContext("2d").drawImage(this,2,2,e.clientWidth,e.clientHeight);var i=t.toDataURL();e.style.backgroundImage="url("+i+")"}},n.src=i}else e.style.backgroundImage="url("+i+")";e.style.backgroundSize="99%","background-rotation"in t&&(e.style.transform="rotate("+t["background-rotation"]+"deg)")}}restore_selected_node_custom_style(e){var t=e._data.view.element,i=e.data;"background-color"in i&&(t.style.backgroundColor=i["background-color"]),"foreground-color"in i&&(t.style.color=i["foreground-color"])}clear_selected_node_custom_style(e){var t=e._data.view.element;t.style.backgroundColor="",t.style.color=""}clear_lines(){this.graph.clear()}show_lines(){this.clear_lines();var e=this.jm.mind.nodes,t=null,i=null,n=null,o=null,s=this.get_view_offset();for(var r in e)(t=e[r]).isroot||this.layout.is_visible(t)&&(i=this.layout.get_node_point_in(t),n=this.layout.get_node_point_out(t.parent),o=t.data["leading-line-color"],this.graph.draw_line(n,i,s,o))}setup_canvas_draggable(e){if(this.opts.draggable=e,!this._initialized){let e,t,i=!1;this.opts.hide_scrollbars_when_draggable&&(this.e_panel.style="overflow: hidden"),r.on(this.container,"mousedown",(n=>{this.opts.draggable&&(i=!0,e=n.clientX,t=n.clientY)})),r.on(this.container,"mouseup",(()=>{i=!1})),r.on(this.container,"mousemove",(n=>{this.opts.draggable&&i&&(this.e_panel.scrollBy(e-n.clientX,t-n.clientY),e=n.clientX,t=n.clientY)}))}}center_node(e){if(!this.layout.is_visible(e))return s.warn("can not scroll to the node, because it is invisible"),!1;let t=e._data.view,i=this.e_panel.getBoundingClientRect(),n=t.abs_x+t.width/2,o=t.abs_y+t.height/2;return this.e_panel.scrollTo(n*this.zoom_current-i.width/2,o*this.zoom_current-i.height/2),!0}zoomIn(e){return s.warn("please use zoom_in instead"),this.zoom_in(e)}zoomOut(e){return s.warn("please use zoom_out instead"),this.zoom_out(e)}setZoom(e,t){return s.warn("please use set_zoom instead"),this.set_zoom(e,t)}}class m{constructor(e,t){this.jm=e,this.opts=t,this.mapping=t.mapping,this.handles=t.handles,this._newid=null,this._mapping={}}init(){for(var e in r.on(this.jm.view.e_panel,"keydown",this.handler.bind(this)),this.handles.addchild=this.handle_addchild,this.handles.addbrother=this.handle_addbrother,this.handles.editnode=this.handle_editnode,this.handles.delnode=this.handle_delnode,this.handles.toggle=this.handle_toggle,this.handles.up=this.handle_up,this.handles.down=this.handle_down,this.handles.left=this.handle_left,this.handles.right=this.handle_right,this.mapping)if(this.mapping[e]&&e in this.handles){let t=this.mapping[e];Array.isArray(t)||(t=[t]);for(let i of t)this._mapping[i]=this.handles[e]}"function"==typeof this.opts.id_generator?this._newid=this.opts.id_generator:this._newid=a.uuid.newid}enable_shortcut(){this.opts.enable=!0}disable_shortcut(){this.opts.enable=!1}handler(e){if(9==e.which&&e.preventDefault(),!this.jm.view.is_editing()){var t=e||event;if(!this.opts.enable)return!0;var i=t.keyCode+(t.metaKey<<13)+(t.ctrlKey<<12)+(t.altKey<<11)+(t.shiftKey<<10);i in this._mapping&&this._mapping[i].call(this,this.jm,e)}}handle_addchild(e,t){var i=e.get_selected_node();if(i){var n=this._newid();e.add_node(i,n,"New Node")&&(e.select_node(n),e.begin_edit(n))}}handle_addbrother(e,t){var i=e.get_selected_node();if(i&&!i.isroot){var n=this._newid();e.insert_node_after(i,n,"New Node")&&(e.select_node(n),e.begin_edit(n))}}handle_editnode(e,t){var i=e.get_selected_node();i&&e.begin_edit(i)}handle_delnode(e,t){var i=e.get_selected_node();i&&!i.isroot&&(e.select_node(i.parent),e.remove_node(i))}handle_toggle(e,t){var i=t||event,n=e.get_selected_node();n&&(e.toggle_node(n.id),i.stopPropagation(),i.preventDefault())}handle_up(e,t){var i=t||event,n=e.get_selected_node();if(n){var o=e.find_node_before(n);if(!o){var s=e.find_node_before(n.parent);s&&s.children.length>0&&(o=s.children[s.children.length-1])}o&&e.select_node(o),i.stopPropagation(),i.preventDefault()}}handle_down(e,t){var i=t||event,n=e.get_selected_node();if(n){var o=e.find_node_after(n);if(!o){var s=e.find_node_after(n.parent);s&&s.children.length>0&&(o=s.children[0])}o&&e.select_node(o),i.stopPropagation(),i.preventDefault()}}handle_left(e,i){this._handle_direction(e,i,t.left)}handle_right(e,i){this._handle_direction(e,i,t.right)}_handle_direction(e,t,i){var n=t||event,o=e.get_selected_node(),s=null;if(o){if(o.isroot){for(var r=o.children,a=[],d=0;d<r.length;d++)r[d].direction===i&&a.push(d);s=r[a[Math.floor((a.length-1)/2)]]}else if(o.direction===i){var l=(a=o.children).length;l>0&&(s=a[Math.floor((l-1)/2)])}else s=o.parent;s&&e.select_node(s),n.stopPropagation(),n.preventDefault()}}}const w={plugins:[]};function y(e){if(!(e instanceof x))throw new Error("can not register plugin, it is not an instance of Plugin");if(w.plugins.map((e=>e.name)).includes(e.name))throw new Error("can not register plugin "+e.name+": plugin name already exist");w.plugins.push(e)}function b(e,t){r.w.setTimeout((function(){!function(e,t){w.plugins.forEach((i=>i.fn_init(e,t[i.name])))}(e,t)}),0)}class x{constructor(e,t){if(!e)throw new Error("plugin must has a name");if(!t||"function"!=typeof t)throw new Error("plugin must has an init function");this.name=e,this.fn_init=t}}class z{static mind=h;static node=l;static direction=t;static event_type=i;static $=r;static plugin=x;static register_plugin=y;static util=a;constructor(t){z.current=this,this.options=function(e){var t={};if(a.json.merge(t,d),a.json.merge(t,e),!t.container)throw new Error("the options.container should not be null or empty.");return t}(t),s.level(n[this.options.log_level]),this.version=e,this.initialized=!1,this.mind=null,this.event_handles=[],this.init()}init(){if(!this.initialized){this.initialized=!0;var e={mode:this.options.mode,hspace:this.options.layout.hspace,vspace:this.options.layout.vspace,pspace:this.options.layout.pspace,cousin_space:this.options.layout.cousin_space},t={container:this.options.container,support_html:this.options.support_html,engine:this.options.view.engine,enable_device_pixel_ratio:this.options.view.enable_device_pixel_ratio,hmargin:this.options.view.hmargin,vmargin:this.options.view.vmargin,line_width:this.options.view.line_width,line_color:this.options.view.line_color,line_style:this.options.view.line_style,custom_line_render:this.options.view.custom_line_render,draggable:this.options.view.draggable,hide_scrollbars_when_draggable:this.options.view.hide_scrollbars_when_draggable,node_overflow:this.options.view.node_overflow,zoom:this.options.view.zoom,custom_node_render:this.options.view.custom_node_render,expander_style:this.options.view.expander_style};this.data=new c(this),this.layout=new p(this,e),this.view=new g(this,t),this.shortcut=new m(this,this.options.shortcut),this.data.init(),this.layout.init(),this.view.init(),this.shortcut.init(),this._event_bind(),b(this,this.options.plugin)}}get_editable(){return this.options.editable}enable_edit(){this.options.editable=!0}disable_edit(){this.options.editable=!1}get_view_draggable(){return this.options.view.draggable}enable_view_draggable(){this.options.view.draggable=!0,this.view.setup_canvas_draggable(!0)}disable_view_draggable(){this.options.view.draggable=!1,this.view.setup_canvas_draggable(!1)}enable_event_handle(e){this.options.default_event_handle["enable_"+e+"_handle"]=!0}disable_event_handle(e){this.options.default_event_handle["enable_"+e+"_handle"]=!1}set_theme(e){var t=this.options.theme;this.options.theme=e||null,t!=this.options.theme&&(this.view.reset_theme(),this.view.reset_custom_style())}_event_bind(){this.view.add_event(this,"mousedown",this.mousedown_handle),this.view.add_event(this,"click",this.click_handle),this.view.add_event(this,"dblclick",this.dblclick_handle),this.view.add_event(this,"wheel",this.mousewheel_handle,!0)}mousedown_handle(e){if(this.options.default_event_handle.enable_mousedown_handle){var t=e.target||event.srcElement,i=this.view.get_binded_nodeid(t);i?this.view.is_node(t)&&this.select_node(i):this.select_clear()}}click_handle(e){if(this.options.default_event_handle.enable_click_handle){var t=e.target||event.srcElement;if(this.view.is_expander(t)){var i=this.view.get_binded_nodeid(t);i&&this.toggle_node(i)}}}dblclick_handle(e){if(this.options.default_event_handle.enable_dblclick_handle&&this.get_editable()){var t=e.target||event.srcElement;if(this.view.is_node(t)){var i=this.view.get_binded_nodeid(t);i&&this.begin_edit(i)}}}mousewheel_handle(e){var t=(e.metaKey<<13)+(e.ctrlKey<<12)+(e.altKey<<11)+(e.shiftKey<<10);if(this.options.default_event_handle.enable_mousewheel_handle&&this.options.view.zoom.mask_key===t){var i=e||event;i.preventDefault(),i.deltaY<0?this.view.zoom_in(i):this.view.zoom_out(i)}}begin_edit(e){if(!l.is_node(e)){var t=this.get_node(e);return t?this.begin_edit(t):(s.error("the node[id="+e+"] can not be found."),!1)}this.get_editable()?this.view.edit_node_begin(e):s.error("fail, this mind map is not editable.")}end_edit(){this.view.edit_node_end()}toggle_node(e){if(!l.is_node(e)){var t=this.get_node(e);return t?this.toggle_node(t):void s.error("the node[id="+e+"] can not be found.")}e.isroot||(this.view.save_location(e),this.layout.toggle_node(e),this.view.relayout(),this.view.restore_location(e))}expand_node(e){if(!l.is_node(e)){var t=this.get_node(e);return t?this.expand_node(t):void s.error("the node[id="+e+"] can not be found.")}e.isroot||(this.view.save_location(e),this.layout.expand_node(e),this.view.relayout(),this.view.restore_location(e))}collapse_node(e){if(!l.is_node(e)){var t=this.get_node(e);return t?this.collapse_node(t):void s.error("the node[id="+e+"] can not be found.")}e.isroot||(this.view.save_location(e),this.layout.collapse_node(e),this.view.relayout(),this.view.restore_location(e))}expand_all(){this.layout.expand_all(),this.view.relayout()}collapse_all(){this.layout.collapse_all(),this.view.relayout()}expand_to_depth(e){this.layout.expand_to_depth(e),this.view.relayout()}_reset(){this.view.reset(),this.layout.reset(),this.data.reset()}_show(e,t){var n=e||u.node_array.example;this.mind=this.data.load(n),this.mind?(s.debug("data.load ok"),this.view.load(),s.debug("view.load ok"),this.layout.layout(),s.debug("layout.layout ok"),this.view.show(!t),s.debug("view.show ok"),this.invoke_event_handle(i.show,{data:[e]})):s.error("data.load error")}show(e,t){this._reset(),this._show(e,t)}get_meta(){return{name:this.mind.name,author:this.mind.author,version:this.mind.version}}get_data(e){var t=e||"node_tree";return this.data.get_data(t)}get_root(){return this.mind.root}get_node(e){return l.is_node(e)?e:this.mind.get_node(e)}add_node(e,n,o,r,a){if(this.get_editable()){var d=this.get_node(e),l=t.of(a);void 0===l&&(l=this.layout.calculate_next_child_direction(d));var h=this.mind.add_node(d,n,o,r,l);return h&&(this.view.add_node(h),this.layout.layout(),this.view.show(!1),this.view.reset_node_custom_style(h),this.expand_node(d),this.invoke_event_handle(i.edit,{evt:"add_node",data:[d.id,n,o,r,l],node:n})),h}return s.error("fail, this mind map is not editable"),null}insert_node_before(e,n,o,r,a){if(this.get_editable()){var d=this.get_node(e),l=t.of(a);void 0===l&&(l=this.layout.calculate_next_child_direction(d.parent));var h=this.mind.insert_node_before(d,n,o,r,l);return h&&(this.view.add_node(h),this.layout.layout(),this.view.show(!1),this.invoke_event_handle(i.edit,{evt:"insert_node_before",data:[d.id,n,o,r,l],node:n})),h}return s.error("fail, this mind map is not editable"),null}insert_node_after(e,n,o,r,a){if(this.get_editable()){var d=this.get_node(e),l=t.of(a);void 0===l&&(l=this.layout.calculate_next_child_direction(d.parent));var h=this.mind.insert_node_after(d,n,o,r,l);return h&&(this.view.add_node(h),this.layout.layout(),this.view.show(!1),this.invoke_event_handle(i.edit,{evt:"insert_node_after",data:[d.id,n,o,r,l],node:n})),h}return s.error("fail, this mind map is not editable"),null}remove_node(e){if(!l.is_node(e)){var t=this.get_node(e);return t?this.remove_node(t):(s.error("the node[id="+e+"] can not be found."),!1)}if(this.get_editable()){if(e.isroot)return s.error("fail, can not remove root node"),!1;var n=e.id,o=e.parent.id,r=this.get_node(o);return this.view.save_location(r),this.view.remove_node(e),this.mind.remove_node(e),this.layout.layout(),this.view.show(!1),this.view.restore_location(r),this.invoke_event_handle(i.edit,{evt:"remove_node",data:[n],node:o}),!0}return s.error("fail, this mind map is not editable"),!1}update_node(e,t){if(this.get_editable())if(a.text.is_empty(t))s.warn("fail, topic can not be empty");else{var n=this.get_node(e);if(n){if(n.topic===t)return s.info("nothing changed"),void this.view.update_node(n);n.topic=t,this.view.update_node(n),this.layout.layout(),this.view.show(!1),this.invoke_event_handle(i.edit,{evt:"update_node",data:[e,t],node:e})}}else s.error("fail, this mind map is not editable")}move_node(e,t,n,o){if(this.get_editable()){var r=this.get_node(e),a=this.mind.move_node(r,t,n,o);a&&(this.view.update_node(a),this.layout.layout(),this.view.show(!1),this.invoke_event_handle(i.edit,{evt:"move_node",data:[e,t,n,o],node:e}))}else s.error("fail, this mind map is not editable")}select_node(e){if(!l.is_node(e)){var t=this.get_node(e);return t?this.select_node(t):void s.error("the node[id="+e+"] can not be found.")}this.layout.is_visible(e)&&(this.mind.selected=e,this.view.select_node(e),this.invoke_event_handle(i.select,{evt:"select_node",data:[],node:e.id}))}get_selected_node(){return this.mind?this.mind.selected:null}select_clear(){this.mind&&(this.mind.selected=null,this.view.select_clear())}is_node_visible(e){return this.layout.is_visible(e)}scroll_node_to_center(e){if(l.is_node(e))this.view.center_node(e);else{var t=this.get_node(e);t?this.scroll_node_to_center(t):s.error("the node[id="+e+"] can not be found.")}}find_node_before(e){if(!l.is_node(e)){var t=this.get_node(e);return t?this.find_node_before(t):void s.error("the node[id="+e+"] can not be found.")}if(e.isroot)return null;var i=null;if(e.parent.isroot)for(var n=e.parent.children,o=null,r=null,a=0;a<n.length;a++)r=n[a],e.direction===r.direction&&(e.id===r.id&&(i=o),o=r);else i=this.mind.get_node_before(e);return i}find_node_after(e){if(!l.is_node(e)){var t=this.get_node(e);return t?this.find_node_after(t):void s.error("the node[id="+e+"] can not be found.")}if(e.isroot)return null;var i=null;if(e.parent.isroot){for(var n=e.parent.children,o=!1,r=null,a=0;a<n.length;a++)if(r=n[a],e.direction===r.direction){if(o){i=r;break}e.id===r.id&&(o=!0)}}else i=this.mind.get_node_after(e);return i}set_node_color(e,t,i){if(!this.get_editable())return s.error("fail, this mind map is not editable"),null;var n=this.mind.get_node(e);n&&(t&&(n.data["background-color"]=t),i&&(n.data["foreground-color"]=i),this.view.reset_node_custom_style(n))}set_node_font_style(e,t,i,n){if(!this.get_editable())return s.error("fail, this mind map is not editable"),null;var o=this.mind.get_node(e);o&&(t&&(o.data["font-size"]=t),i&&(o.data["font-weight"]=i),n&&(o.data["font-style"]=n),this.view.reset_node_custom_style(o),this.view.update_node(o),this.layout.layout(),this.view.show(!1))}set_node_background_image(e,t,i,n,o){if(!this.get_editable())return s.error("fail, this mind map is not editable"),null;var r=this.mind.get_node(e);r&&(t&&(r.data["background-image"]=t),i&&(r.data.width=i),n&&(r.data.height=n),o&&(r.data["background-rotation"]=o),this.view.reset_node_custom_style(r),this.view.update_node(r),this.layout.layout(),this.view.show(!1))}set_node_background_rotation(e,t){if(!this.get_editable())return s.error("fail, this mind map is not editable"),null;var i=this.mind.get_node(e);if(i){if(!i.data["background-image"])return s.error("fail, only can change rotation angle of node with background image"),null;i.data["background-rotation"]=t,this.view.reset_node_custom_style(i),this.view.update_node(i),this.layout.layout(),this.view.show(!1)}}resize(){this.view.resize()}add_event_listener(e){"function"==typeof e&&this.event_handles.push(e)}clear_event_listener(){this.event_handles=[]}invoke_event_handle(e,t){var i=this;r.w.setTimeout((function(){i._invoke_event_handle(e,t)}),0)}_invoke_event_handle(e,t){for(var i=this.event_handles.length,n=0;n<i;n++)this.event_handles[n](e,t)}static show(e,t){s.warn("`jsMind.show(options, mind)` is deprecated, please use `jm = new jsMind(options); jm.show(mind);` instead");var i=new z(e);return i.show(t),i}}return z})); //# sourceMappingURL=jsmind.js.map