| /******************************************************************************* |
| * Copyright (c) 2007, 2015 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| ******************************************************************************/ |
| |
| package org.eclipse.ui.internal; |
| |
| import org.eclipse.core.commands.ExecutionEvent; |
| import org.eclipse.core.commands.ExecutionException; |
| import org.eclipse.core.expressions.EvaluationResult; |
| import org.eclipse.core.expressions.Expression; |
| import org.eclipse.core.expressions.ExpressionInfo; |
| import org.eclipse.core.expressions.IEvaluationContext; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.e4.ui.model.application.ui.basic.MPart; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.CTabFolder; |
| import org.eclipse.swt.custom.CTabItem; |
| import org.eclipse.swt.graphics.Rectangle; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.ui.ISources; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.IWorkbenchPartSite; |
| import org.eclipse.ui.handlers.HandlerUtil; |
| |
| /** |
| * Show the menu on top of the icon in the view or editor label. |
| * <p> |
| * Replacement for ShowPartPaneMenuAction |
| * </p> |
| * |
| * @since 3.3 |
| */ |
| public class ShowPartPaneMenuHandler extends AbstractEvaluationHandler { |
| |
| private Expression enabledWhen; |
| |
| public ShowPartPaneMenuHandler() { |
| registerEnablement(); |
| } |
| |
| @Override |
| public Object execute(ExecutionEvent event) throws ExecutionException { |
| IWorkbenchPart part = HandlerUtil.getActivePart(event); |
| if (part != null) { |
| IWorkbenchPartSite site = part.getSite(); |
| if (site instanceof PartSite) { |
| final MPart model = ((PartSite) site).getModel(); |
| Composite partContainer = (Composite) model.getWidget(); |
| if (partContainer != null) { |
| Composite parent = partContainer.getParent(); |
| while (parent != null) { |
| if (parent instanceof CTabFolder) { |
| CTabFolder ctf = (CTabFolder) parent; |
| final CTabItem item = ctf.getSelection(); |
| if (item != null) { |
| final Display disp = item.getDisplay(); |
| final Rectangle bounds = item.getBounds(); |
| final Rectangle info = disp.map(ctf, null, bounds); |
| Event sevent = new Event(); |
| sevent.type = SWT.MenuDetect; |
| sevent.widget = ctf; |
| sevent.x = info.x; |
| sevent.y = info.y + info.height - 1; |
| sevent.doit = true; |
| ctf.notifyListeners(SWT.MenuDetect, sevent); |
| } |
| return null; |
| } |
| parent = parent.getParent(); |
| } |
| } |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| protected Expression getEnabledWhenExpression() { |
| if (enabledWhen == null) { |
| enabledWhen = new Expression() { |
| @Override |
| public EvaluationResult evaluate(IEvaluationContext context) throws CoreException { |
| IWorkbenchPart part = InternalHandlerUtil.getActivePart(context); |
| |
| if (part != null) { |
| return EvaluationResult.TRUE; |
| } |
| return EvaluationResult.FALSE; |
| } |
| |
| @Override |
| public void collectExpressionInfo(ExpressionInfo info) { |
| info.addVariableNameAccess(ISources.ACTIVE_PART_NAME); |
| } |
| }; |
| } |
| return enabledWhen; |
| } |
| } |