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/*******************************************************************************
* Copyright (c) 2006, 2008 Oracle. 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:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.jpa.ui.internal.selection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jpt.jpa.ui.internal.views.structure.JpaStructureView;
public class JpaStructureSelectionParticipant
implements JpaSelectionParticipant
{
final JpaStructureView structureView;
public JpaStructureSelectionParticipant(JpaSelectionManager selectionManager, JpaStructureView structureView) {
super();
this.structureView = structureView;
structureView.addSelectionChangedListener(new StructureViewSelectionListener(selectionManager, structureView));
}
public JpaSelection getSelection() {
return this.structureView.getJpaSelection();
}
public void selectionChanged(JpaSelectionEvent evt) {
if (evt.getSource() != this) {
this.structureView.select(evt.getSelection());
}
}
public boolean disposeOnHide() {
return false;
}
public void dispose() {
// NOP
}
// ********** listener **********
private class StructureViewSelectionListener
implements ISelectionChangedListener
{
private final JpaSelectionManager selectionManager;
StructureViewSelectionListener(JpaSelectionManager selectionManager, JpaStructureView structureView) {
super();
this.selectionManager = selectionManager;
}
public void selectionChanged(SelectionChangedEvent event) {
if (structureView.getViewSite().getWorkbenchWindow().getPartService().getActivePart() == structureView) {
selectionManager.select(this.structureViewSelection(), JpaStructureSelectionParticipant.this);
}
}
private JpaSelection structureViewSelection() {
return JpaStructureSelectionParticipant.this.structureView.getJpaSelection();
}
}
}
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