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/*******************************************************************************
* Copyright (c) 2010, 2012 Mia-Software.
* 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:
* Nicolas Bros (Mia-Software)
* Gregoire Dupe (Mia-Software) - Bug 364325 - [Restructuring] The user must be able to navigate into a model using the Facet.
*******************************************************************************/
package org.eclipse.emf.facet.efacet.ui.internal.view;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.facet.efacet.ui.internal.ImageProvider;
import org.eclipse.emf.facet.efacet.ui.internal.view.NavigationView.ContextInfo;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.action.IMenuListener;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.KeyAdapter;
import org.eclipse.swt.events.KeyEvent;
@SuppressWarnings("synthetic-access")
//Copied from org.eclipse.emf.facet.infra.query.ui.views.queryExecution.internal.ContextPaneMenuManager
public class ContextPaneMenuManager extends MenuManager implements IMenuListener {
private final EditableContext context;
private final NavigationView queryExecutionView;
public ContextPaneMenuManager(final NavigationView queryExecutionView,
final EditableContext context, final TreeViewer treeViewer) {
this.queryExecutionView = queryExecutionView;
this.context = context;
addMenuActions();
addMenuListener(this);
addKeyShortcuts(treeViewer);
}
private void addKeyShortcuts(final TreeViewer treeViewer) {
treeViewer.getTree().addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(final KeyEvent e) {
if (e.keyCode == SWT.DEL) {
ContextPaneMenuManager.this.removeSelectedElementsAction.run();
}
}
});
}
private void addMenuActions() {
this.add(this.removeSelectedElementsAction);
this.add(this.removeAllAction);
}
/** This action removes all model elements from the context */
private final IAction removeAllAction = new Action("Remove all") {
{
setImageDescriptor(ImageProvider.getInstance().getRemoveAllImageDescriptor());
}
@Override
public void run() {
ContextPaneMenuManager.this.context.clear();
ContextPaneMenuManager.this.context.done();
}
};
/** This action removes selected model elements from the context */
private final IAction removeSelectedElementsAction = new Action("Remove") {
{
setImageDescriptor(ImageProvider.getInstance().getRemoveImageDescriptor());
}
@Override
public void run() {
ContextInfo contextInfo = ContextPaneMenuManager.this.queryExecutionView
.getContextInfo();
for (EObject eObject : contextInfo.getSelectedEObjects()) {
ContextPaneMenuManager.this.context.remove(eObject);
}
ContextPaneMenuManager.this.context.done();
}
};
public void menuAboutToShow(final IMenuManager manager) {
ContextInfo contextInfo = ContextPaneMenuManager.this.queryExecutionView.getContextInfo();
this.removeAllAction.setEnabled(contextInfo.getEObjects().size() > 0);
this.removeSelectedElementsAction.setEnabled(contextInfo.getSelectedEObjects().size() > 0);
}
}
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