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/*****************************************************************************
* Copyright (c) 2010 CEA LIST.
*
* 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:
* Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.views.properties.toolsmiths.modelelement;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.common.command.CompoundCommand;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.edit.command.SetCommand;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.papyrus.infra.properties.contexts.ContextsPackage;
import org.eclipse.papyrus.infra.properties.contexts.Section;
import org.eclipse.papyrus.infra.ui.emf.databinding.EMFObservableValue;
/**
* An ObservableValue for handling changes in a section's name.
* The section is linked to an external XWT Resource with the same
* name. When the section's name changes, the XWT resource should
* be moved as well, and the section's sectionFile property should
* be updated.
*
* @author Camille Letavernier
*/
public class SectionNameObservableValue extends EMFObservableValue {
/**
*
* Constructor.
*
* @param eObject
* The EObject (Section) being edited
* @param eStructuralFeature
* The feature ("name") being editing
* @param domain
* The editing domain on which the commands will be called
*/
public SectionNameObservableValue(EObject eObject, EStructuralFeature eStructuralFeature, EditingDomain domain) {
super(eObject, eStructuralFeature, domain);
}
@Override
public void doSetValue(Object value) {
CompoundCommand command = new CompoundCommand();
String name = (String) value;
command.append(getSetCommand(name));
command.append(getMoveCommand(name));
command.append(getSetSectionFileCommand(name));
domain.getCommandStack().execute(command);
}
/**
* Returns a command to change the section's sectionFile when the name changes
*
* @param name
* The name of the section we are editing
* @return
* The command to change the section's sectionFile
*/
protected Command getSetSectionFileCommand(String name) {
return new SetCommand(domain, eObject, ContextsPackage.eINSTANCE.getSection_SectionFile(), "ui/" + name + ".xwt"); //$NON-NLS-1$ //$NON-NLS-2$
}
/**
* Returns the EMF command to move the section's XWT Resource
*
* @param name
* The new name of the section
* @return
* The EMF command to move the section's XWT Resource
*/
protected Command getMoveCommand(String name) {
Section section = (Section) eObject;
// TODO : Create a command for that
if (section.getWidget() != null) {
URI newURI = URI.createURI("ui/" + name + ".xwt"); //$NON-NLS-1$ //$NON-NLS-2$
newURI = newURI.resolve(section.eResource().getURI());
ResourceSet resourceSet = section.eResource().getResourceSet();
Resource newResource = resourceSet.createResource(newURI);
newResource.getContents().add(section.getWidget());
}
return null;
}
}
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