mxGraphView.prototype.validateCell=function(a,b){if(null!=a)if(b=(null!=b?b:!0)&&this.graph.isCellVisible(a),null==this.getState(a,b)||b)for(var c=this.graph.getModel(),d=c.getChildCount(a),e=0;e<d;e++)this.validateCell(c.getChildAt(a,e),b&&(!this.isCellCollapsed(a)||a==this.currentRoot));else this.removeState(a);return a};