mxSelectionCellsHandler.prototype.updateHandler=function(a){var b=this.handlers.remove(a.cell);if(null!=b){var c=b.index,d=b.startX,e=b.startY;b.destroy();b=this.graph.createHandler(a);null!=b&&(this.handlers.put(a.cell,b),null!=c&&null!=d&&null!=e&&b.start(d,e,c))}};mxSelectionCellsHandler.prototype.mouseDown=function(a,b){if(this.graph.isEnabled()&&this.isEnabled()){var c=[a,b];this.handlers.visit(function(d,e){e.mouseDown.apply(e,c)})}};