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/*****************************************************************************
* Copyright (c) 2009 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:
* Patrick Tessier (CEA LIST) Patrick.tessier@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.common.editparts;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.emf.common.notify.Adapter;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.Notifier;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.gef.GraphicalEditPart;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.gmf.runtime.notation.NotationPackage;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.infra.core.services.ServiceException;
import org.eclipse.papyrus.infra.gmfdiag.common.editpart.NodeEditPart;
import org.eclipse.papyrus.infra.gmfdiag.common.utils.ServiceUtilsForEditPart;
import org.eclipse.papyrus.infra.ui.editorsfactory.IPageIconsRegistry;
import org.eclipse.papyrus.infra.ui.editorsfactory.PageIconsRegistry;
import org.eclipse.papyrus.uml.diagram.common.figure.node.DiagramNodeFigure;
/**
* this class is used to constraint the behavior of a node to obtain the
* behavior a short cut
*/
public abstract class AbstractShortCutDiagramEditPart extends NodeEditPart implements Adapter {
protected static final String DELETE_ICON = "icons/delete.gif";
private IPageIconsRegistry editorRegistry;
private Notifier target;
protected Resource resourceToListen;
public AbstractShortCutDiagramEditPart(View view) {
super(view);
}
/**
* Return the EditorRegistry for nested editor descriptors. Subclass should
* implements this method in order to return the registry associated to the
* extension point namespace.
*
* @return the EditorRegistry for nested editor descriptors
*
*/
protected IPageIconsRegistry createEditorRegistry() {
try {
return ServiceUtilsForEditPart.getInstance().getService(IPageIconsRegistry.class, this);
} catch (ServiceException e) {
// Not found, return an empty one which return null for each
// request.
return new PageIconsRegistry();
} catch (NullPointerException e) {
// if the editor is null null pointer exception is raised
// Not found, return an empty one which return null for each
// request.
return new PageIconsRegistry();
}
}
@Override
public void activate() {
// TODO Auto-generated method stub
super.activate();
EObject eObject = resolveSemanticElement();
resourceToListen = eObject.eResource();
resourceToListen.eAdapters().add(this);
}
/**
* Get the EditorRegistry used to create editor instances. This default
* implementation return the singleton eINSTANCE. This method can be
* subclassed to return another registry.
*
* @return the singleton eINSTANCE of editor registry
*
*/
protected IPageIconsRegistry getEditorRegistry() {
if (editorRegistry == null) {
editorRegistry = createEditorRegistry();
}
return editorRegistry;
}
/**
* get the figure
*
* @return
*/
@Override
public abstract DiagramNodeFigure getPrimaryShape();
/**
*
* {@inheritDoc}
*/
@Override
public void refreshVisuals() {
super.refreshVisuals();
refreshIcons();
refreshTransparency();
}
@Override
public void notifyChanged(Notification notification) {
super.notifyChanged(notification);
refreshIcons();
}
/**
*
* {@inheritDoc}
*/
@Override
protected void refreshBounds() {
int width = 34;
int height = 20;
Dimension size = new Dimension(width, height);
int x = ((Integer) getStructuralFeatureValue(NotationPackage.eINSTANCE.getLocation_X())).intValue();
int y = ((Integer) getStructuralFeatureValue(NotationPackage.eINSTANCE.getLocation_Y())).intValue();
Point loc = new Point(x, y);
((GraphicalEditPart) getParent()).setLayoutConstraint(this, getFigure(), new Rectangle(loc, size));
}
/**
* refresh the icon by taking in account the type of the diagram
*/
private void refreshIcons() {
if (resolveSemanticElement() instanceof Diagram && resolveSemanticElement().eResource() != null) {
getPrimaryShape().setIcon(getEditorRegistry().getEditorIcon(resolveSemanticElement()));
} else {
getPrimaryShape().setIcon(org.eclipse.papyrus.uml.diagram.common.Activator.getPluginIconImage(org.eclipse.papyrus.uml.diagram.common.Activator.ID, DELETE_ICON));
}
}
@Override
public void deactivate() {
// TODO Auto-generated method stub
super.deactivate();
resourceToListen.eAdapters().remove(this);
}
@Override
public void setTarget(Notifier target) {
this.target = target;
}
@Override
public Notifier getTarget() {
return target;
}
@Override
public boolean isAdapterForType(Object type) {
return (getModel().getClass() == type);
}
}
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