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/*******************************************************************************
* Copyright (c) 2012, 2013 Wind River Systems and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Wind River Systems - initial API and implementation
* IBM Corporation - bug fixing
*******************************************************************************/
package org.eclipse.debug.ui.actions;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import org.eclipse.debug.internal.ui.actions.ToggleBreakpointsTargetManager;
import org.eclipse.debug.internal.ui.actions.breakpoints.Messages;
import org.eclipse.debug.ui.DebugUITools;
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.IPartService;
import org.eclipse.ui.ISelectionService;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.actions.CompoundContributionItem;
import org.eclipse.ui.menus.IWorkbenchContribution;
import org.eclipse.ui.services.IServiceLocator;
/**
* Breakpoint ruler pop-up action that creates a sub-menu to select the
* currently active breakpoint type. This menu contribution can be added to an
* editor with the <code>org.eclipse.ui.menus</code> extension point. The
* breakpoint types are calculated based on the toggle breakpoint target
* factories contributed through the
* <code>toggleBreakpointsTargetFactories</code> extension point.
* <p>
* Following is example plug-in XML used to contribute this action to an
* editor's vertical ruler context menu.
* </p>
*
* <pre>
* <extension point="org.eclipse.ui.menus">
* <menuContribution
* locationURI="popup:#CEditorRulerContext?after=additions"
* id="example.RulerPopupActions">
* <menu\
* id="breakpointTypes"
* label="Toggle Breakpoint">
* <dynamic\
* id="example.rulerContextMenu.breakpointTypesAction">
* class="org.eclipse.debug.ui.actions.BreakpointTypesContribution"
* menubarPath="additions">/
* </menu>
* </menuContribution>
* </pre>
*
* <p>
* Clients may refer to this class in plug-in XML. This class is not intended to
* be sub-classed.
* </p>
*
* @since 3.8
* @noextend This class is not intended to be sub-classed by clients.
*/
public class BreakpointTypesContribution extends CompoundContributionItem implements IWorkbenchContribution {
private class SelectTargetAction extends Action {
private final Set<String> fPossibleIDs;
private final String fID;
SelectTargetAction(String name, Set<String> possibleIDs, String ID) {
super(name, AS_RADIO_BUTTON);
fID = ID;
fPossibleIDs = possibleIDs;
}
@Override
public void run() {
if (isChecked()) {
// Note: setPreferredTarget is not declared on the
// IToggleBreakpontsTargetManager interface.
ToggleBreakpointsTargetManager.getDefault().setPreferredTarget(fPossibleIDs, fID);
}
}
}
private IServiceLocator fServiceLocator;
private static IContributionItem[] NO_BREAKPOINT_TYPES_CONTRIBUTION_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(Messages.BreakpointTypesContribution_0);
}
@Override
public boolean isEnabled() {
return false;
}
}
};
/* (non-Javadoc)
* @see org.eclipse.ui.actions.CompoundContributionItem#getContributionItems()
*/
@Override
protected IContributionItem[] getContributionItems() {
IWorkbenchPart part = null;
ISelection selection = null;
ISelectionService selectionService =
fServiceLocator.getService(ISelectionService.class);
if (selectionService != null) {
selection = selectionService.getSelection();
}
IPartService partService = fServiceLocator.getService(IPartService.class);
if (partService != null) {
part = partService.getActivePart();
}
// If no part or selection, disable all.
if (part == null || selection == null) {
return NO_BREAKPOINT_TYPES_CONTRIBUTION_ITEMS;
}
// Get breakpoint toggle target IDs.
IToggleBreakpointsTargetManager manager = DebugUITools.getToggleBreakpointsTargetManager();
Set<String> enabledIDs = manager.getEnabledToggleBreakpointsTargetIDs(part, selection);
String preferredId = manager.getPreferredToggleBreakpointsTargetID(part, selection);
List<Action> actions = new ArrayList<>(enabledIDs.size());
for (String id : enabledIDs) {
Action action = new SelectTargetAction(manager.getToggleBreakpointsTargetName(id), enabledIDs, id);
if (id.equals(preferredId)) {
action.setChecked(true);
}
actions.add(action);
}
if ( enabledIDs.isEmpty() ) {
return NO_BREAKPOINT_TYPES_CONTRIBUTION_ITEMS;
}
IContributionItem[] items = new IContributionItem[enabledIDs.size()];
for (int i = 0; i < actions.size(); i++) {
items[i] = new ActionContributionItem(actions.get(i));
}
return items;
}
/* (non-Javadoc)
* @see org.eclipse.ui.menus.IWorkbenchContribution#initialize(org.eclipse.ui.services.IServiceLocator)
*/
@Override
public void initialize(IServiceLocator serviceLocator) {
fServiceLocator = serviceLocator;
}
}
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