mxConstraintHandler.prototype.setFocus=function(a,b,c){this.constraints=null!=b&&!this.isStateIgnored(b,c)&&this.graph.isCellConnectable(b.cell)?this.isEnabled()?this.graph.getAllConnectionConstraints(b,c)||[]:[]:null;if(null!=this.constraints){this.currentFocus=b;this.currentFocusArea=new mxRectangle(b.x,b.y,b.width,b.height);if(null!=this.focusIcons){for(c=0;c<this.focusIcons.length;c++)this.focusIcons[c].destroy();this.focusPoints=this.focusIcons=null}this.focusPoints=[];this.focusIcons=[];for(c=