/*******************************************************************************
* Copyright (c) 2009 QNX Software Systems 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:
* QNX Software Systems - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.debug.internal.ui.actions;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.cdt.debug.core.model.CVariableFormat;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.ActionContributionItem;
import org.eclipse.jface.action.ContributionItem;
import org.eclipse.jface.action.IContributionItem;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.ui.ISelectionService;
import org.eclipse.ui.actions.CompoundContributionItem;
import org.eclipse.ui.menus.IWorkbenchContribution;
import org.eclipse.ui.services.IServiceLocator;
/**
* Dynamic menu contribution that shows available number formats
* in the current view.
*
* @since 6.0
*/
public class NumberFormatsContribution extends CompoundContributionItem implements IWorkbenchContribution {
static final String CURRENT_FORMAT = "current_format";
private static final Map<CVariableFormat, String> FORMATS = new LinkedHashMap<CVariableFormat, String>();
static {
FORMATS.put(CVariableFormat.NATURAL, "Natural");
FORMATS.put(CVariableFormat.DECIMAL, "Decimal");
FORMATS.put(CVariableFormat.HEXADECIMAL, "Hexadecimal");
//FORMATS.put(CVariableFormat.OCTAL, "Octal");
FORMATS.put(CVariableFormat.BINARY, "Binary");
}
private class SelectNumberFormatAction extends Action {
private final CVariableFormat fFormat;
private VariableFormatActionDelegate delegate;
public VariableFormatActionDelegate getDelegate() {
return delegate;
}
SelectNumberFormatAction(CVariableFormat format) {
super(FORMATS.get(format), AS_RADIO_BUTTON);
fFormat = format;
delegate = new VariableFormatActionDelegate(fFormat);
}
void selectionChanged(ISelection sel) {
delegate.selectionChanged(this, sel);
}
@Override
public void run() {
if (isChecked()) {
delegate.run(this);
}
}
}
private IServiceLocator fServiceLocator;
private static IContributionItem[] NO_ITEMS = new IContributionItem[] { new ContributionItem() {
@Override
public void fill(Menu menu, int index) {
MenuItem item = new MenuItem(menu, SWT.NONE);
item.setEnabled(false);
item.setText("Empty");
}
@Override
public boolean isEnabled() {
return false;
}
} };
@Override
protected IContributionItem[] getContributionItems() {
ISelectionService service = (ISelectionService) fServiceLocator.getService(ISelectionService.class);
ISelection selection = service.getSelection();
List<Action> actions = new ArrayList<Action>(FORMATS.size());
for (CVariableFormat formatId : FORMATS.keySet()) {
SelectNumberFormatAction action = new SelectNumberFormatAction(formatId);
action.selectionChanged(selection);
actions.add(action);
}
if (actions.isEmpty()) { return NO_ITEMS; }
IContributionItem[] items = new IContributionItem[actions.size()];
for (int i = 0; i < actions.size(); i++) {
items[i] = new ActionContributionItem(actions.get(i));
}
return items;
}
public void initialize(IServiceLocator serviceLocator) {
fServiceLocator = serviceLocator;
}
}