@finos/perspective-viewer-datagrid/dist/cdn/perspective-viewer-datagrid.js

Perspective datagrid plugin based on `regular-table`

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            <div class="rt-virtual-panel"></div>
            <div class="rt-scroll-table-clip">${e}</div>
        `;let[,t,o,n]=this.shadowRoot.children;this._sub_cell_style=t,this._table_clip=n,this._virtual_panel=o,this._setup_virtual_scroll()}_setup_virtual_scroll(){this._table_clip&&(this._virtual_mode==="both"||this._virtual_mode==="vertical"?this._table_clip.style.top="0px":this._table_clip.style.removeProperty("top"),this._virtual_mode==="both"||this._virtual_mode==="horizontal"?this._table_clip.style.left="0px":this._table_clip.style.removeProperty("left"),this._virtual_mode!=="both"?this._table_clip.style.contain="none":this._table_clip.style.removeProperty("contain"))}_calculate_viewport(e,t){let{start_row:o,end_row:n}=this._calculate_row_range(e),{start_col:s,end_col:d}=this._calculate_column_range(t);return this._nrows=e,{start_col:s,end_col:d,start_row:o,end_row:n}}_calculate_row_range(e){let{height:t}=this._container_size,o=this._column_sizes.row_height||19,n=this._view_cache.config.column_pivots.length,s=Math.max(1,this._virtual_panel.offsetHeight-t),d=Math.max(Math.ceil(this.scrollTop),0)/s,f=t/o-n,p=Math.max(0,(e||0)-f)*d,m=Math.max(0,Math.min(p+f,e));return{start_row:p,end_row:m}}_calc_start_column(){let e=this._view_cache.config.row_pivots.length,t=0,o=0,n=0;for(;o<this.scrollLeft;){let s=this._column_sizes.indices[t+e];n=this.scrollLeft-o,t+=1,o+=s!==void 0?s:60}return t+=n/(this._column_sizes.indices[t+e-1]||60),Math.max(0,t-1)}_calculate_column_range(e){if(this._virtual_mode==="none"||this._virtual_mode==="vertical")return{start_col:0,end_col:1/0};{let t=this._calc_start_column(),o=this.table_model.num_columns()||Math.min(e,Math.ceil(this._container_size.width/60)),n=t+o+1;return{start_col:t,end_col:n}}}_max_scroll_column(e){let t=0;if(this._view_cache.config.row_pivots.length>0)for(let s of this._column_sizes.indices.slice(0,this._view_cache.config.row_pivots.length))t+=s;let o=this._view_cache.config.row_pivots.length,n=e;for(;t<this._container_size.width&&n>=0;)n--,t+=this._column_sizes.indices[n+o]||60;return Math.min(e-1,n+1)}_validate_viewport({start_col:e,end_col:t,start_row:o,end_row:n}){o=Math.floor(o),n=Math.ceil(n),e=Math.floor(e),t=Math.ceil(t);let s=this._start_col!==e,d=this._start_row!==o||this._end_row!==n||this._end_col!==t;return this._start_col=e,this._end_col=t,this._start_row=o,this._end_row=n,{invalid_column:s,invalid_row:d}}_calc_scrollable_column_width(e){let t=this._view_cache.config.row_pivots.length,o=this._max_scroll_column(e),n=t,s=0;for(;n<o+t;)s+=this._column_sizes.indices[n]||60,n++;if(n<this._column_sizes.indices.length){let d=this._column_sizes.indices.slice(0,this._view_cache.config.row_pivots.length).reduce((f,p)=>f+p,0);s+=Math.max(0,this._column_sizes.indices[n]-(this._container_size.width-d)||0)}return s}_update_virtual_panel_width(e,t){if(e)if(this._virtual_mode==="vertical"||this._virtual_mode==="none")this._virtual_panel.style.width=this._column_sizes.indices.reduce((o,n)=>o+n,0)+"px";else{let o=this._calc_scrollable_column_width(t);if(o!==0){let n=this._container_size.width+o+2;this._virtual_panel.style.width=n+"px"}else this._virtual_panel.style.width="1px"}}_update_virtual_panel_height(e){let{row_height:t=19}=this._column_sizes,o=this._view_cache.config.column_pivots.length*t,n;n=Math.min(Lo,e*t+o),this._virtual_panel.style.height=`${n}px`}async draw(e={}){return typeof e.throttle<"u"&&!e.throttle?await vr.call(this,e):await kr(this,()=>vr.call(this,e))}async _draw_flush(){await Oo(this)}update_sub_cell_offset(e){let t=this._column_sizes.row_height*(e.start_row%1)||0,o=this._column_sizes.indices[(this.table_model._row_headers_length||0)+Math.floor(e.start_col)]*(e.start_col%1)||0,n=this._sub_cell_style.sheet?.cssRules[0].style;n&&(n.setProperty("--regular-table--clip-x",`${o}px`),n.setProperty("--regular-table--clip-y",`${t}px`),n.setProperty("--regular-table--transform-x",`-${o}px`),n.setProperty("--regular-table--transform-y",`-${t}px`))}};async function vr(e){let t=br&&performance.now(),{invalid_viewport:o=!0,preserve_width:n=!1}=e,{num_columns:s,num_rows:d,num_row_headers:f,num_column_headers:p,row_height:m}=await this._view_cache.view(0,0,0,0);f!==void 0&&(this._view_cache.row_pivots=Array(f).fill(0)),p!==void 0&&(this._view_cache.column_pivots=Array(p).fill(0)),this._container_size={width:this._virtual_mode==="none"||this._virtual_mode==="vertical"?1/0:this._table_clip.clientWidth,height:this._virtual_mode==="none"||this._virtual_mode==="horizontal"?1/0:this._table_clip.clientHeight},this._update_virtual_panel_height(d),n||this._update_virtual_panel_width(o,s);let w=this._calculate_viewport(d,s),{invalid_row:g,invalid_column:E}=this._validate_viewport(w);if(this._invalid_schema||g||E||o){let C=[],A=!0;for await(let S of this.table_model.draw(this._container_size,this._view_cache,this._selected_id,n,w,s)){S!==void 0&&(C=C.concat(S)),A&&(this.update_sub_cell_offset(w),A=!1),this._is_styling=!0;let P=this._style_callbacks;for(let R of P)await R({detail:this});if(this._is_styling=!1,!this._invalidated&&S!==void 0)break;this._invalidated=!1}this.table_model.autosize_cells(C,m),this.table_model.header.reset_header_cache(),n||this._update_virtual_panel_width(this._invalid_schema||E,s),this._invalid_schema=!1}else this.update_sub_cell_offset(w);br&&So(performance.now()-t)}var Ro=!1,To=class extends Ao{register_listeners(){this.addEventListener("mousedown",this._on_click_or_dblclick.bind(this)),this.addEventListener("scroll",this._on_scroll.bind(this),{passive:!0}),this._register_glitch_scroll_listeners()}async _on_scroll(e){e.stopPropagation(),await this.draw({invalid_viewport:!1}),this.dispatchEvent(new CustomEvent("regular-table-scroll"))}_register_glitch_scroll_listeners(){this.addEventListener("mousewheel",this._on_mousewheel.bind(this),{passive:!0}),Ro&&(this.addEventListener("touchmove",this._on_touchmove.bind(this)),this.addEventListener("touchstart",this._on_touchstart.bind(this),{passive:!0}))}_on_mousewheel(e){if(!window.safari)return;let{clientWidth:t,clientHeight:o,scrollTop:n,scrollLeft:s}=this;e.preventDefault(),e.returnValue=!1;let d=Math.max(1,this._virtual_panel.offsetHeight-o),f=Math.max(1,this._virtual_panel.offsetWidth-t);this.scrollTop=Math.max(0,Math.min(d,n+e.deltaY)),this.scrollLeft=Math.max(0,Math.min(f,s+e.deltaX)),this._on_scroll(e)}_on_touchmove(e){e.stopPropagation(),e.preventDefault(),e.returnValue=!1;let{clientWidth:t,clientHeight:o}=this,n=Math.max(1,this._virtual_panel.offsetHeight-o),s=Math.max(1,this._virtual_panel.offsetWidth-t);this.scrollTop=Math.min(n,this._memo_scroll_top+(this._memo_touch_startY-e.touches[0].pageY)),this.scrollLeft=Math.min(s,this._memo_scroll_left+(this._memo_touch_startX-e.touches[0].pageX)),this._on_scroll(e)}_on_touchstart(e){this._memo_touch_startY=e.touches[0].pageY,this._memo_touch_startX=e.touches[0].pageX,this._memo_scroll_top=this.scrollTop,this._memo_scroll_left=this.scrollLeft}async _on_dblclick(e){let t=e.target;for(;t.tagName!=="TD"&&t.tagName!=="TH";)if(t=t.parentElement,!this.contains(t))return;let o=e.target.classList.contains("rt-column-resize"),n=Ge.get(t);if(o){e.stopImmediatePropagation(),t.style.minWidth="",t.style.maxWidth="",e.shiftKey?(this._column_sizes.override=[],this._column_sizes.auto=[],this._column_sizes.indices=[]):(this._column_sizes.override[n.size_key]=void 0,this._column_sizes.auto[n.size_key]=void 0,this._column_sizes.indices[n.size_key]=void 0);for(let s of e.shiftKey?[this.table_model.header.cells[this.table_model.header.cells.length-1],...this.table_model.body.cells]:this.table_model.body.cells)for(let d of e.shiftKey?s:[s[n._virtual_x]])d&&(d.style.minWidth="",d.style.maxWidth="",d.classList.remove("rt-cell-clip"));await this.draw()}}async _on_click(e){if(e.button!==0)return;let t=e.target;for(;t.tagName!=="TD"&&t.tagName!=="TH";)if(t=t.parentElement,!this.contains(t))return;let o=e.target.classList.contains("rt-column-resize"),n=Ge.get(t);o&&(this._on_resize_column(e,t,n),e.stopImmediatePropagation())}async _on_click_or_dblclick(e){let t=performance.now();this._last_clicked_time&&t-this._last_clicked_time<500?(this._last_clicked_time=t,await this._on_dblclick(e)):(this._last_clicked_time=t,await this._on_click(e))}_on_resize_column(e,t,o){let{_virtual_x:n,size_key:s}=o,d=e.pageX,f=n+t.colSpan-1,p=this.table_model.header.get_column_header(f),m=this._column_sizes.indices[s],w=E=>kr(this,async()=>await this._on_resize_column_move(E,p,d,m,s,f)),g=()=>{document.removeEventListener("mousemove",w),document.removeEventListener("mouseup",g);let E=this._column_sizes.override[s],C=this._column_sizes.indices[s]!==E;this._column_sizes.indices[s]=E,C&&this.draw()};document.addEventListener("mousemove",w),document.addEventListener("mouseup",g)}async _on_resize_column_move(e,t,o,n,s,d){await new Promise(requestAnimationFrame);let f=e.pageX-o,p=Math.max(1,n+f);if(this._column_sizes.override[s]=p,f<0)await this.draw({preserve_width:!0,throttle:!1});else{t.style.minWidth=p+"px",t.style.maxWidth=p+"px";let m=this._column_sizes.auto[s];for(let w of this.table_model.body.cells){let g=w[d];g&&(g.style.maxWidth=g.style.minWidth=p+"px",g.classList.toggle("rt-cell-clip",m>p))}}}},Do=class{constructor(e){this._name=e,this._elements=[],this._index=0}reset(){this._index=0}get(){this._elements[this._index]||(this._elements[this._index]=document.createElement(this._name));let e=this._elements[this._index];return this._index+=1,e}},Er=class{constructor(e,t,o){this._column_sizes=e,this._container=t,this._span_factory=new Do("span"),this.table=o,this.cells=[],this.rows=[]}num_columns(){return this._get_row(Math.max(0,this.rows.length-1)).row_container.length}num_rows(){return this.cells.length}_set_metadata(e,t){Ge.set(e,t)}_get_or_create_metadata(e){if(e===void 0)return{};if(Ge.has(e))return Ge.get(e);{let t={};return Ge.set(e,t),t}}_replace_cell(e,t){let{tr:o,row_container:n}=this._get_row(e),s=n[t];return s&&(o.removeChild(s),n.splice(t,1,void 0)),s}_fetch_cell(e,t){if(!(e<0||t<0))return this.cells[e]?.[t]}_get_row(e){let t=this.rows[e];t||(t=this.rows[e]=document.createElement("tr"),this.table.appendChild(t));let o=this.cells[e];return o||(o=this.cells[e]=[]),{tr:t,row_container:o}}_get_cell(e="TD",t,o){let{tr:n,row_container:s}=this._get_row(t),d=s[o];if(d||(o<s.length?(d=s[o]=document.createElement(e),n.insertBefore(d,s.slice(o+1).find(f=>f))):(d=s[o]=document.createElement(e),n.appendChild(d))),d.tagName!==e){let f=document.createElement(e);n.replaceChild(f,d),this.cells[t].splice(o,1,f),d=f}return d}_clean_columns(e){for(let t=0;t<this.rows.length;t++){let o=this.rows[t],n=this.cells[t];this.cells[t]=n.slice(0,e[t]||e);let s=this.cells[t].filter(d=>d!==void 0).length;for(;o.children[s];)o.removeChild(o.children[s])}}_clean_rows(e){for(;this.table.children[e];)this.table.removeChild(this.table.children[e]);this.rows=this.rows.slice(0,e),this.cells=this.cells.slice(0,e)}},Io=class extends Er{constructor(...e){super(...e),this._group_header_cache=[],this._offset_cache=[]}_draw_group_th(e,t,o){let n=this._get_cell("TH",t,e[t]||0);if(e[t]+=1,n.removeAttribute("colspan"),n.style.minWidth="0",n.textContent="",o instanceof HTMLElement)n.appendChild(o);else{let d=this._span_factory.get("span");d.textContent=o,n.appendChild(d)}let s=this._span_factory.get("span");return s.className="rt-column-resize",n.appendChild(s),n}_draw_group(e,t,o){let n=this._get_or_create_metadata(o);return n.co