mxGraphHandler.prototype.start=function(a,b,c,d){this.cell=a;this.first=mxUtils.convertPoint(this.graph.container,b,c);this.cells=null!=d?d:this.getCells(this.cell);this.bounds=this.graph.getView().getBounds(this.cells);this.pBounds=this.getPreviewBounds(this.cells);this.allCells=new mxDictionary;this.cloning=!1;for(b=this.cellCount=0;b<this.cells.length;b++)this.cellCount+=this.addStates(this.cells[b],this.allCells);if(this.guidesEnabled){this.guide=new mxGuide(this.graph,this.getGuideStates());