| /******************************************************************************* |
| * Copyright (c) 2011 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 javax.annotation.PostConstruct; |
| import javax.annotation.PreDestroy; |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.e4.ui.model.application.ui.MUIElement; |
| import org.eclipse.e4.ui.model.application.ui.basic.MTrimBar; |
| import org.eclipse.e4.ui.model.application.ui.menu.MToolControl; |
| import org.eclipse.jface.menus.AbstractTrimWidget; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.layout.RowLayout; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.ui.IWorkbenchWindow; |
| import org.eclipse.ui.internal.registry.IWorkbenchRegistryConstants; |
| import org.eclipse.ui.internal.util.Util; |
| import org.eclipse.ui.menus.IWorkbenchWidget; |
| |
| /** |
| * @since 3.5 |
| * |
| */ |
| public class LegacyTrim { |
| |
| private IWorkbenchWidget widget; |
| |
| @PostConstruct |
| void createWidget(IWorkbenchWindow iwbw, Composite parent, MToolControl toolControl) { |
| IConfigurationElement ice = ((WorkbenchWindow) iwbw).getICEFor(toolControl); |
| if (ice == null) |
| return; |
| |
| parent = new Composite(parent, SWT.NONE); |
| parent.setLayout(new RowLayout()); |
| |
| widget = (IWorkbenchWidget) Util.safeLoadExecutableExtension(ice, IWorkbenchRegistryConstants.ATT_CLASS, |
| IWorkbenchWidget.class); |
| widget.init(iwbw); |
| if (widget instanceof AbstractTrimWidget) { |
| ((AbstractTrimWidget) widget).fill(parent, SWT.DEFAULT, getSide(toolControl)); |
| } else { |
| widget.fill(parent); |
| } |
| } |
| |
| @PreDestroy |
| void destroy() { |
| if (widget != null) { |
| widget.dispose(); |
| widget = null; |
| } |
| } |
| |
| private int getSide(MUIElement element) { |
| MUIElement parent = element.getParent(); |
| if (parent instanceof MTrimBar) { |
| switch (((MTrimBar) parent).getSide()) { |
| case BOTTOM: |
| return SWT.BOTTOM; |
| case LEFT: |
| return SWT.LEFT; |
| case RIGHT: |
| return SWT.RIGHT; |
| case TOP: |
| return SWT.TOP; |
| } |
| } |
| return parent == null ? SWT.DEFAULT : getSide(parent); |
| } |
| } |