javascript - Sort columns of two Grids linked by ScrollSync -


i’m trying implement possibility sort columns, react-sortable-hoc, of 2 grids linked scrollsync, react-virtualized.

currently, have error: uncaught typeerror: cannot call class function

i don't know how can fix , make works. there's lot of code, here's extract of might useful:

import react, { component } 'react'; import { scrollsync, grid } 'react-virtualized'; import _ 'lodash';  import columnheader './columnheader'; import { sortablecontainer, sortableelement, arraymove } 'react-sortable-hoc';  class gridview extends component {   constructor(props) {     super(props);     this.setgridheaderref = this.setgridheaderref.bind(this);     this.setgridcontentref = this.setgridcontentref.bind(this);     this.onsortend = this.onsortend.bind(this)      this.state = {       hoveredcolumn: null,       hoveredrow: null,       scrolltorow: null,     };   }    componentwillupdate(nextprops, nextstate) {     if (nextprops.currentview && this.props.currentview && !_.isequal(nextprops.currentview.columnswidth, this.props.currentview.columnswidth)) {       this.gridheader.recomputegridsize();       this.gridcontent.recomputegridsize();     }   }    setgridheaderref(ref) {     this.gridheader = ref;   }    setgridcontentref(ref) {     this.gridcontent = ref;   }    renderheadercell({ columnindex, key, rowindex, style }) {     if {       // ...     } else {       return (         <columnheader           index={this.props.currentcolumns[columnindex - 1].index}           key={key}           style={style}           hoveredcolumn={this.state.hoveredcolumn}           hoveredrow={this.state.hoveredrow}           column={this.props.currentcolumns[columnindex - 1]}           select={this.select}           readonly={this.props.readonly}         />       );     }   }    onsortend = ({ oldindex, newindex }) => {     const { columnindex } = this.props;     if (newindex === oldindex) {       return;     }     const row = columnindex[oldindex];      columnindex.splice(oldindex, 1);     columnindex.splice(newindex, 0, row);     this.forceupdate();   };    render() {     const sortablegrid = sortablecontainer(grid, { withref: true });     const sortablecolumnheader = sortableelement(this.renderheadercell);      return (       <div>         <scrollsync>           {({ clientheight, clientwidth, onscroll, scrollheight, scrollleft, scrolltop, scrollwidth }) => {             return (               <div>                 <sortablegrid                   ref={this.setgridheaderref}                   columnwidth={this.getcolumnwidth}                   columncount={currentcolumns.length + 2}                   height={rowheight}                   overscancolumncount={overscancolumncount}                   cellrenderer={sortablecolumnheader}                   rowheight={rowheight}                   rowcount={1}                   scrollleft={scrollleft}                   width={width}                   onsortend={this.onsortend}                 />               </div>               <div>                 <grid                   ref={this.setgridcontentref}                   scrolltorow={scrolltorow}                   columnwidth={this.getcolumnwidth}                   columncount={currentcolumns.length + 2}                   nocontentrenderer={this.norowsrenderer}                   height={height}                   onscroll={onscroll}                   overscancolumncount={overscancolumncount}                   overscanrowcount={overscanrowcount}                   cellrenderer={this.renderbodycell.bind(this)}                   rowheight={rowheight}                   rowcount={currentdata.length}                   width={width}                 />               </div>             );           }}         </scrollsync>       </div>     );   } }


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