mxEventSource.prototype.fireEvent=function(a,b){if(null!=this.eventListeners&&this.isEventsEnabled()){null==a&&(a=new mxEventObject);null==b&&(b=this.getEventSource());null==b&&(b=this);for(var c=0;c<this.eventListeners.length;c+=2){var d=this.eventListeners[c];null!=d&&d!=a.getName()||this.eventListeners[c+1].apply(this,[b,a])}}};