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/*******************************************************************************
* Copyright (c) 2013 CEA LIST.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Cedric Dumoulin - cedric.dumoulin@lifl.fr
******************************************************************************/
package org.eclipse.papyrus.layers.runtime;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.papyrus.layers.runtime.model.LayersModel;
import org.eclipse.papyrus.layers.stackmodel.layers.LayersStack;
import org.eclipse.papyrus.layers.stackmodel.layers.LayersStackApplication;
/**
* This class manage a notation.Diagram. It allows to :
* <ul>
* <li>Add or remove a LayersStack</li>
* <li>get the LayersStackMngr if a LayersStack exist.</li>
* </ul>
*
* @author Cedric dumoulin
*
*/
public class NotationDiagramHelper {
/**
* Associated Diagram.
*/
protected Diagram diagram;
/**
* Layers model.
*/
protected LayersModel layersModel;
protected LayersStackApplication layersApplication;
// /**
// * The associated {@link LayersStackMngr}. Maybe null if no LayersStack is associated.
// */
// protected LayersStackMngr layerStackMngr;
//
// /**
// * Notifier sending event when the layerStack is added or removed.
// */
// private LayersStackAttachedNotifier layerStackAttachedNotifier;
// /**
// * Listen on events from the layerStackAttachedNotifier.
// */
// private LayersStackAttachedListener layerStackAttachedListener = new LayersStackAttachedListener() {
//
// public void layerStackRemoved(LayersStackAttachedEvent event) {
// layerStackMngr.dispose();
// layerStackMngr = null;
// }
//
// public void layerStackAttached(LayersStackAttachedEvent event) {
//
// if(layerStackMngr != null)
// {
// layerStackMngr.dispose();
// layerStackMngr = null;
// }
//
// layerStackMngr = new LayersStackMngr(event.getLayersStack());
// }
//
// public void diagramChanged(LayersStackAttachedEvent event) {
// // Not used because diagram is never set.
// if(layerStackMngr != null)
// {
// layerStackMngr.dispose();
// layerStackMngr = null;
// }
//
// layerStackMngr = new LayersStackMngr(event.getLayersStack());
//
// }
// };
/**
* Constructor.
* Construct the manager and initialize it.
* @param layersModel
*
*/
public NotationDiagramHelper(LayersModel layersModel, Diagram diagram) {
this.diagram = diagram;
this.layersModel = layersModel;
// // Set the layerStackMngr if necessary
// LayersStack layerStack = LayersStackUtil.getInstance().lookupLayersStack(diagram);
// if(layerStack != null) {
// layerStackMngr = new LayersStackMngr(layerStack);
// }
//
// // Set the listeners on changes
// layerStackAttachedNotifier = new LayersStackAttachedNotifier(diagram);
// layerStackAttachedNotifier.addLayersStackAttachedEventListener(layerStackAttachedListener);
activate();
}
/**
* Activate the manager.
*/
public void activate() {
// layerStackAttachedNotifier.activate();
}
/**
* Deactivate the manager.
*/
public void deactivate() {
// layerStackAttachedNotifier.deactivate();
}
/**
* Dispose all resources.
*/
public void dispose() {
// layerStackAttachedNotifier.deactivate();
diagram = null;
}
/**
* @return the diagram
*/
public Diagram getDiagram() {
return diagram;
}
// /**
// * Return the {@link LayersStackMngr} if any. Throw an
// * @return the layerStackMngr
// * @throws NotSetException If the layerStackMngr is not set.
// */
// public LayersStackMngr getLayersStackMngr() throws NotSetException {
//
// if(layerStackMngr == null)
// throw new NotSetException(this.getClass().getSimpleName() + ".getLayersStackMngr(): layerStackMngr is not set.");
//
// return layerStackMngr;
// }
/**
* Attach the {@link LayersStack} to the diagram.
* Do nothing if a LayersStack is already attached.
*/
public void attachLayersStack() {
LayersStackApplication application = layersModel.getLayerStackApplication();
application.getLayersStackFor(diagram);
}
/**
* detach the {@link LayersStack} from the diagram.
* Do nothing if no LayersStack is attached.
*/
public void removeLayersStack() {
LayersStackApplication application = layersModel.getLayerStackApplication();
application.removeLayersStackFor(diagram);
}
/**
* Return True if a {@link LayersStack} is attached to the diagram.
*
* @return True if a {@link LayersStack} is attached to the diagram.
*/
public boolean isLayersStackAttached() {
LayersStackApplication application = layersModel.lookupLayerStackApplication();
if(application == null ) {
return false;
}
return application.isLayersStackAttachedFor(diagram);
}
// /**
// * Add a listener for the {@link LayersStackActivatedEvent}.
// *
// * @param listener
// */
// public void addLayersStackAttachedEventListener(LayersStackAttachedListener listener) {
// layerStackAttachedNotifier.addLayersStackAttachedEventListener(listener);
// }
//
// /**
// * Remove a listener for the {@link LayersStackActivatedEvent}.
// *
// * @param listener
// */
// public void removeLayersStackAttachedEventListener(LayersStackAttachedListener listener) {
// layerStackAttachedNotifier.removeLayersStackAttachedEventListener(listener);
// }
}
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