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/*****************************************************************************
* Copyright (c) 2010, 2016 Atos Origin, Christian W. Damus, and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Mathieu Velten (Atos Origin) mathieu.velten@atosorigin.com - Initial API and implementation
* Christian W. Damus - bug 485220
*
*****************************************************************************/
package org.eclipse.papyrus.commands;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand;
import org.eclipse.papyrus.infra.core.sashwindows.di.service.IPageManager;
import org.eclipse.papyrus.infra.emf.utils.ServiceUtilsForEObject;
/**
* The Class OpenDiagramCommand.
*/
public class OpenDiagramCommand extends AbstractTransactionalCommand {
/** The diagram to open. */
private EObject diagramToOpen = null;
private ICommand previousCreateDiagramCommand = null;
/**
* Instantiates a new open diagram command.
*
* @param domain
* the domain
* @param diagram
* the diagram
*/
public OpenDiagramCommand(TransactionalEditingDomain editingDomain, EObject diagram) {
super(editingDomain, "Open diagram", null);
diagramToOpen = diagram;
}
public OpenDiagramCommand(TransactionalEditingDomain editingDomain, ICommand previousCreateDiagramCommand) {
super(editingDomain, "Open diagram", null);
this.previousCreateDiagramCommand = previousCreateDiagramCommand;
}
/**
* {@inheritedDoc}
*/
@Override
protected CommandResult doExecuteWithResult(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
try {
if (diagramToOpen == null && previousCreateDiagramCommand != null) {
Object possibleDiagramToOpen = previousCreateDiagramCommand.getCommandResult().getReturnValue();
if (possibleDiagramToOpen instanceof EObject) {
diagramToOpen = (EObject) possibleDiagramToOpen;
}
}
if (diagramToOpen != null) {
IPageManager pageManager;
// bug 358799
// The command is also called during the initialiation phase. In this case, the
// EditorsUtils.getServiceRegistry() method return the wrong ServiceREgistry.
// Disable this call, and use the more costly way to get the IPageMngr
// TODO : provide a better way of getting the IPageMngr.
/*
* final ServicesRegistry serviceRegistry = EditorUtils.getServiceRegistry();
* if(serviceRegistry != null) {
* pageMngr =serviceRegistry.getService(IPageMngr.class);
* } else
*/
pageManager = ServiceUtilsForEObject.getInstance().getService(IPageManager.class, diagramToOpen);
if (pageManager.isOpen(diagramToOpen)) {
pageManager.selectPage(diagramToOpen);
} else {
pageManager.openPage(diagramToOpen);
}
}
return CommandResult.newOKCommandResult();
} catch (Exception e) {
Activator.log.error(e);
throw new ExecutionException("Can't open diagram", e);
}
}
}
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