mxGraphModel.prototype.visibleStateForCellChanged=function(a,b){var c=this.isVisible(a);a.setVisible(b);return c};mxGraphModel.prototype.execute=function(a){a.execute();this.beginUpdate();this.currentEdit.add(a);this.fireEvent(new mxEventObject(mxEvent.EXECUTE,"change",a));this.fireEvent(new mxEventObject(mxEvent.EXECUTED,"change",a));this.endUpdate()};mxGraphModel.prototype.beginUpdate=function(){this.updateLevel++;this.fireEvent(new mxEventObject(mxEvent.BEGIN_UPDATE));1==this.updateLevel&&this.fireEvent(new mxEventObject(mxEvent.START_EDIT))};