mxChildChange.prototype.execute=function(){if(null!=this.child){var a=this.model.getParent(this.child),b=null!=a?a.getIndex(this.child):0;null==this.previous&&this.connect(this.child,!1);a=this.model.parentForCellChanged(this.child,this.previous,this.previousIndex);null!=this.previous&&this.connect(this.child,!0);this.parent=this.previous;this.previous=a;this.index=this.previousIndex;this.previousIndex=b}};