mxConstraintHandler.prototype.reset=function(){if(null!=this.focusIcons){for(var a=0;a<this.focusIcons.length;a++)this.focusIcons[a].destroy();this.focusIcons=null}null!=this.focusHighlight&&(this.focusHighlight.destroy(),this.focusHighlight=null);this.focusPoints=this.currentFocus=this.currentPoint=this.currentFocusArea=this.currentConstraint=null};mxConstraintHandler.prototype.getTolerance=function(a){return this.graph.getTolerance()};