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/*******************************************************************************
* Copyright (c) 2009, 2015 THALES GLOBAL SERVICES and others.
* 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:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.sirius.diagram.ui.tools.internal.resource;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
import org.eclipse.emf.transaction.RecordingCommand;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.emf.transaction.util.TransactionUtil;
import org.eclipse.gmf.runtime.diagram.ui.resources.editor.document.IDocument;
import org.eclipse.gmf.runtime.emf.core.resources.GMFResourceFactory;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.gmf.runtime.notation.NotationFactory;
import org.eclipse.sirius.diagram.ui.provider.DiagramUIPlugin;
import org.eclipse.sirius.diagram.ui.provider.Messages;
import org.eclipse.sirius.diagram.ui.tools.api.util.GMFNotationHelper;
import org.eclipse.ui.IEditorInput;
/**
* Provide an "error" diagram if initial resource could not be found.
*
* @author mchauvin
*/
public class ResourceMissingDocumentProvider {
private ResourceSet errorResourceSet;
private Resource errorResource;
private Diagram errorDiagram;
/**
* Set the document content.
*
* @param document
* the document
* @param element
* the element as editor input
*/
public void setDocumentContent(final IDocument document, final IEditorInput element) {
// TODO get diagram name
document.setContent(getErrorDiagram(Messages.ResourceMissingDocumentProvider_defaultMessage));
}
/**
* Set the document content.
*
* @param document
* the document
* @param element
* the element as editor input
* @param noteMessage
* the message to write in the note
*/
public void setDocumentContent(final IDocument document, final IEditorInput element, final String noteMessage) {
// TODO get diagram name
document.setContent(getErrorDiagram(noteMessage));
}
private Diagram getErrorDiagram(final String noteMessage) {
if (errorDiagram == null) {
errorResourceSet = new ResourceSetImpl();
final TransactionalEditingDomain domain = TransactionalEditingDomain.Factory.INSTANCE.createEditingDomain(errorResourceSet);
errorResource = new GMFResourceFactory().createResource(URI.createURI("error://diagram")); //$NON-NLS-1$
errorResourceSet.getResources().add(errorResource);
errorDiagram = NotationFactory.eINSTANCE.createDiagram();
domain.getCommandStack().execute(new AddErrorCommand(domain, errorDiagram, errorResource, noteMessage));
}
return errorDiagram;
}
/**
* Dispose the created resources.
*/
public void dispose() {
if (errorResourceSet != null) {
TransactionUtil.getEditingDomain(errorResourceSet).dispose();
errorResource = null;
errorDiagram = null;
}
}
/**
* Specific command to add error diagram in error resource.
*
* @author mporhel
*/
private class AddErrorCommand extends RecordingCommand {
private final Diagram diagram;
private final String noteMessage;
private final Resource resource;
/**
* Constructor.
*
* @param domain
* the editing domain.
* @param noteMessage
* @param errorResource
* @param errorDiagram
* @param editpart
* the source edit part.
* @param representation
* the source representation.
* @param session
* the current session.
*/
AddErrorCommand(TransactionalEditingDomain domain, Diagram diagram, Resource resource, String noteMessage) {
super(domain, Messages.AddErrorCommand_label);
this.diagram = diagram;
this.resource = resource;
this.noteMessage = noteMessage;
}
/**
* {@inheritDoc}
*/
@Override
protected void doExecute() {
if (errorResource == null || diagram == null) {
return;
}
resource.getContents().add(diagram);
GMFNotationHelper.createNote(diagram, noteMessage, DiagramUIPlugin.getPlugin().getPreferenceStore());
}
}
}
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