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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 v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Remi Schnekenburger (CEA LIST) remi.schnekenburger@cea.fr - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.properties.runtime.view;
import java.util.Collections;
import java.util.List;
import org.eclipse.papyrus.properties.runtime.Activator;
import org.eclipse.papyrus.properties.runtime.state.IFragmentDescriptorState;
import org.eclipse.papyrus.properties.runtime.view.content.ContainerDescriptor;
import org.eclipse.swt.graphics.Image;
/**
* descriptor for predefined fragments
*/
public class PredefinedFragmentDescriptor implements IFragmentDescriptor {
/** id of the predefined descriptor */
private String predefinedId;
/** parsing failed */
private boolean parseFailed = false;
/** descriptor referenced by this predefined descriptor */
private IFragmentDescriptor descriptor = null;
/**
* Creates a new PredefinedFragmentDescriptor.
*
* @param predefinedId
* the id of the predefined descriptor
*/
public PredefinedFragmentDescriptor(String predefinedId) {
this.predefinedId = predefinedId;
}
/**
* {@inheritDoc}
*/
public String getText() {
return "PredefinedFragment: " + predefinedId;
}
/**
* {@inheritDoc}
*/
public Image getImage() {
return Activator.getImage("/icons/PredefinedFragment.gif");
}
/**
* {@inheritDoc}
*/
public IFragmentDescriptorState createState(boolean readOnly) {
return new PredefinedFragmentDescriptorState(this, readOnly);
}
/**
* {@inheritDoc}
*/
public List<ContainerDescriptor> getContainerDescriptors() {
if(descriptor == null && !parseFailed) {
// resolve the fragment descriptor if it exists
descriptor = PropertyViewService.getInstance().getFragmentDescriptor(predefinedId);
if(descriptor == null) {
parseFailed = true;
}
}
if(descriptor != null) {
return descriptor.getContainerDescriptors();
}
return Collections.emptyList();
}
/**
* {@inheritDoc}
*/
public String getId() {
return predefinedId;
}
}
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