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/*******************************************************************************
* Copyright (c) 2011 Wind River Systems, Inc. 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tm.internal.tcf.debug.ui.commands;
import org.eclipse.debug.ui.IDebugUIConstants;
import org.eclipse.debug.ui.IDebugView;
import org.eclipse.jface.action.ContributionItem;
import org.eclipse.jface.action.IContributionItem;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.events.MenuEvent;
import org.eclipse.swt.events.MenuListener;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.tm.internal.tcf.debug.ui.model.TCFModel;
import org.eclipse.tm.internal.tcf.debug.ui.model.TCFNode;
import org.eclipse.tm.tcf.util.TCFTask;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchPartSite;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.actions.CompoundContributionItem;
public class UpdatePolicyMenu extends CompoundContributionItem {
private static final String[] policy_names = {
"Automatic",
"Manual",
"Breakpoint Hit",
};
@Override
protected IContributionItem[] getContributionItems() {
IContributionItem[] items = new IContributionItem[policy_names.length];
for (int i = 0; i < items.length; i++) {
final int n = i;
items[i] = new ContributionItem() {
@Override
public void fill(final Menu menu, int index) {
final MenuItem item = new MenuItem(menu, SWT.RADIO);
item.setText(policy_names[n]);
final MenuListener menu_listener = new MenuListener() {
public void menuShown(MenuEvent e) {
item.setSelection(getPolicy() == n);
}
public void menuHidden(MenuEvent e) {
}
};
menu.addMenuListener(menu_listener);
item.addDisposeListener(new DisposeListener() {
public void widgetDisposed(DisposeEvent e) {
menu.removeMenuListener(menu_listener);
}
});
item.addSelectionListener(new SelectionListener() {
public void widgetSelected(SelectionEvent e) {
if (item.getSelection()) setPolicy(n);
}
public void widgetDefaultSelected(SelectionEvent e) {
}
});
}
};
}
return items;
}
private IWorkbenchPart getPart() {
return PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActivePart();
}
private TCFNode getRootNode(IWorkbenchPart part) {
IWorkbenchPartSite site = part.getSite();
if (site == null || IDebugUIConstants.ID_DEBUG_VIEW.equals(site.getId())) {
return null;
}
if (part instanceof IDebugView) {
Object input = ((IDebugView)part).getViewer().getInput();
if (input instanceof TCFNode) return (TCFNode)input;
}
return null;
}
private int getPolicy() {
final IWorkbenchPart part = getPart();
if (part == null) return 0;
final TCFNode node = getRootNode(part);
if (node == null) return 0;
return new TCFTask<Integer>(node.getChannel()) {
public void run() {
TCFModel model = node.getModel();
if (!model.isLocked(part)) done(TCFModel.UPDATE_POLICY_AUTOMATIC);
else done(model.getLockPolicy(part));
}
}.getE();
}
private void setPolicy(final int n) {
final IWorkbenchPart part = getPart();
if (part == null) return;
final TCFNode node = getRootNode(part);
if (node == null) return;
new TCFTask<Object>(node.getChannel()) {
public void run() {
TCFModel model = node.getModel();
model.setLockPolicy(part, n);
done(null);
}
}.getE();
}
}
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