mxGraph.prototype.getTooltip=function(a,b,c,d){var e=null;null!=a&&(null==a.control||b!=a.control.node&&b.parentNode!=a.control.node||(e=this.collapseExpandResource,e=mxUtils.htmlEntities(mxResources.get(e)||e).replace(/\\n/g,"<br>")),null==e&&null!=a.overlays&&a.overlays.visit(function(f,g){null!=e||b!=g.node&&b.parentNode!=g.node||(e=g.overlay.toString())}),null==e&&(c=this.selectionCellsHandler.getHandler(a.cell),null!=c&&"function"==typeof c.getTooltipForNode&&(e=c.getTooltipForNode(b))),null==