mxVertexHandler.prototype.isCustomHandleVisible=function(a){return!this.graph.isEditing()&&1==this.state.view.graph.getSelectionCount()};mxVertexHandler.prototype.getRotationHandlePosition=function(){return new mxPoint(this.bounds.x+this.bounds.width/2,this.bounds.y+this.rotationHandleVSpacing)};mxVertexHandler.prototype.isParentHighlightVisible=function(){return!this.graph.isCellSelected(this.graph.model.getParent(this.state.cell))};