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/*****************************************************************************
* Copyright (c) 2008 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 - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.infra.emf.diagram.common.handler;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.IHandler;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.transaction.RecordingCommand;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.gmf.runtime.notation.NotationFactory;
import org.eclipse.papyrus.infra.core.Activator;
import org.eclipse.papyrus.infra.core.extension.diagrameditor.IPluggableEditorFactory;
import org.eclipse.papyrus.infra.core.sasheditor.contentprovider.IPageManager;
import org.eclipse.papyrus.infra.core.services.ServiceException;
import org.eclipse.papyrus.infra.core.services.ServicesRegistry;
import org.eclipse.papyrus.infra.core.utils.ServiceUtils;
import org.eclipse.papyrus.infra.emf.utils.ServiceUtilsForHandlers;
import org.eclipse.papyrus.infra.gmfdiag.common.model.NotationUtils;
/**
* Base class for create diagram Handlers.
*
* @author cedric dumoulin
*
*/
// FIXME: Refactoring. This should not depend on GMF (NotationUtils depends on GMF).
// This class is not in the Papyrus Build in 0.10
public abstract class CreateDiagramHandler extends AbstractHandler implements IHandler {
/**
*
* @see org.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent)
*
* @param event
* @return
* @throws ExecutionException
*/
public Object execute(final ExecutionEvent event) throws ExecutionException {
final ServicesRegistry registry;
TransactionalEditingDomain editingDomain;
try {
registry = ServiceUtilsForHandlers.getInstance().getServiceRegistry(event);
editingDomain = ServiceUtils.getInstance().getTransactionalEditingDomain(registry);
} catch (ServiceException ex) {
Activator.log.error(ex);
return null;
}
RecordingCommand command = new RecordingCommand(editingDomain, "Create EMF Diagram") {
@Override
protected void doExecute() {
addNewDiagram(registry);
}
};
editingDomain.getCommandStack().execute(command);
return null;
}
/**
*
* @see org.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent)
*
* @param event
* @return
* @throws ExecutionException
*/
public Object execute(final ServicesRegistry servicesRegistry) throws ExecutionException {
TransactionalEditingDomain editingDomain;
try {
editingDomain = ServiceUtils.getInstance().getTransactionalEditingDomain(servicesRegistry);
} catch (ServiceException ex) {
Activator.log.error(ex);
return null;
}
RecordingCommand command = new RecordingCommand(editingDomain, "Create EMF Diagram") {
@Override
protected void doExecute() {
addNewDiagram(servicesRegistry);
}
};
editingDomain.getCommandStack().execute(command);
return null;
}
/**
* Subclasses should implements this method.
*/
protected abstract void addNewDiagram(ServicesRegistry registry);
/**
* Add a new Diagram to the graphical model.
*
* @param diagram
* The diagram to add to graphical model. This will be the diagram provided to {@link IPluggableEditorFactory#createIPageModel(Object, org.eclipse.papyrus.infra.core.services.ServicesRegistry)}
*/
protected void addNewDiagram(String name, String type, EObject diagram, ServicesRegistry registry) {
// TODO Create a special node inside the sash model (di) instead of introducing
// a dependence on notation.
// This implies to change the factory also.
// The special node creation should be done by methods from sash
// create di2node
Diagram di2Diagram = NotationFactory.eINSTANCE.createDiagram();
di2Diagram.setVisible(true);
di2Diagram.setType(type);
if (name != null) {
di2Diagram.setName(name);
}
// Add it to resource, so that it will be saved.
// NotationUtils.getNotationResource().getContents().add(di2Diagram);
NotationUtils.getNotationModel().addDiagram(di2Diagram);
// Attach to sash in order to show it
// Add the diagram as a page to the current sash folder
try {
registry.getService(IPageManager.class).openPage(di2Diagram);
} catch (ServiceException ex) {
Activator.log.error(ex);
}
}
}
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