/*******************************************************************************
* Copyright (c) 2010, 2017 IBM Corporation 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:
* IBM Corporation - initial API and implementation
* Patrik Suzzi <psuzzi@gmail.com> - Bug 409633
*******************************************************************************/
package org.eclipse.ui.internal.handlers;
import java.util.List;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.e4.ui.model.application.ui.basic.MTrimmedWindow;
import org.eclipse.e4.ui.model.application.ui.menu.MToolBar;
import org.eclipse.e4.ui.workbench.IPresentationEngine;
import org.eclipse.e4.ui.workbench.modeling.EModelService;
import org.eclipse.jface.action.ICoolBarManager;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.ui.internal.WorkbenchWindow;
/**
*
* @author Prakash G.R.
*
* @since 3.7
*
*/
public class LockToolBarHandler extends AbstractHandler {
private static final String TOOLBAR_SEPARATOR = "toolbarSeparator"; //$NON-NLS-1$
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
WorkbenchWindow window = (WorkbenchWindow) HandlerUtil.getActiveWorkbenchWindowChecked(event);
MTrimmedWindow winModel = window.getService(MTrimmedWindow.class);
EModelService modelService = window.getService(EModelService.class);
if (window != null) {
ICoolBarManager coolBarManager = window.getCoolBarManager2();
if (coolBarManager != null) {
// lock is the opposite of the original value before toggle
boolean lock = !HandlerUtil.toggleCommandState(event.getCommand());
final List<MToolBar> children = modelService.findElements(winModel, null, MToolBar.class, null);
for (MToolBar el : children) {
if (!el.getTags().contains(TOOLBAR_SEPARATOR)) {
if (lock) {
// locks the toolbars
if (!el.getTags().contains(IPresentationEngine.NO_MOVE)) {
el.getTags().add(IPresentationEngine.NO_MOVE);
}
if (el.getTags().contains(IPresentationEngine.DRAGGABLE)) {
el.getTags().remove(IPresentationEngine.DRAGGABLE);
}
} else {
// unlocks the toolbars
if (el.getTags().contains(IPresentationEngine.NO_MOVE)) {
el.getTags().remove(IPresentationEngine.NO_MOVE);
}
if (!el.getTags().contains(IPresentationEngine.DRAGGABLE)) {
el.getTags().add(IPresentationEngine.DRAGGABLE);
}
}
// Force the render, and then the call of frameMeIfPossible.
el.setToBeRendered(false);
el.setToBeRendered(true);
}
}
}
}
return null;
}
}