mxCellMarker.prototype.markCell=function(a,b){a=this.graph.getView().getState(a);null!=a&&(this.currentColor=null!=b?b:this.validColor,this.markedState=a,this.mark())};mxCellMarker.prototype.mark=function(){this.highlight.setHighlightColor(this.currentColor);this.highlight.highlight(this.markedState);this.fireEvent(new mxEventObject(mxEvent.MARK,"state",this.markedState))};mxCellMarker.prototype.unmark=function(){this.mark()};mxCellMarker.prototype.isValidState=function(a){return!0};