mxVertexHandler.prototype.drawPreview=function(){null!=this.preview&&(this.preview.bounds=this.bounds,this.preview.node.parentNode==this.graph.container&&(this.preview.bounds.width=Math.max(0,this.preview.bounds.width-1),this.preview.bounds.height=Math.max(0,this.preview.bounds.height-1)),this.preview.rotation=Number(this.state.style[mxConstants.STYLE_ROTATION]||"0"),this.preview.redraw());this.selectionBorder.bounds=this.getSelectionBorderBounds();this.selectionBorder.redraw();this.updateParentHighlight()};