mxGraphHandler.prototype.getInitialCellForEvent=function(a){var b=a.getState();if(!(this.graph.isToggleEvent(a.getEvent())&&mxEvent.isAltDown(a.getEvent())||null==b||this.graph.isCellSelected(b.cell)))for(var c=this.graph.model,d=this.graph.view.getState(c.getParent(b.cell));null!=d&&!this.graph.isCellSelected(d.cell)&&(c.isVertex(d.cell)||c.isEdge(d.cell))&&this.isPropagateSelectionCell(b.cell,!0,a);)b=d,d=this.graph.view.getState(this.graph.getModel().getParent(b.cell));return null!=b?b.cell:null};