code: function() {
  			if (this.textView) {
  				this.textView.removeEventListener("ModelChanging", this.listener.onModelChanging);
  				this.textView.removeEventListener("ModelChanged", this.listener.onModelChanged);
  				this.textView.removeEventListener("Destroy", this.listener.onDestroy);
  				this.textView.removeEventListener("LineStyle", this.listener.onLineStyle);
  				this.textView = null;
  			}
  			if (this.services) {
  				for (var i = 0; i < this.services.length; i++) {
  					this.removeServiceListener(this.services[i]);
  				}
  				this.services = null;
  			}
  			if (this.serviceRegistry) {
  				this.serviceRegistry.removeEventListener("registered", this.listener.onServiceAdded);
  				this.serviceRegistry.removeEventListener("unregistering", this.listener.onServiceRemoved);
  				this.serviceRegistry = null;
  			}
  			this.listener = null;
  			this.lineStyles = null;
  		}
docs: Deactivates this styler and removes any listeners it registered.