mxGraphView.prototype.getEdgeStyle=function(a,b,c,d){a=this.isLoopStyleEnabled(a,b,c,d)?mxUtils.getValue(a.style,mxConstants.STYLE_LOOP,this.graph.defaultLoopStyle):mxUtils.getValue(a.style,mxConstants.STYLE_NOEDGESTYLE,!1)?null:a.style[mxConstants.STYLE_EDGE];"string"==typeof a&&(b=mxStyleRegistry.getValue(a),null==b&&this.isAllowEval()&&(b=mxUtils.eval(a)),a=b);return"function"==typeof a?a:null};