/******************************************************************************* * Copyright (c) 2007, 2016 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 ******************************************************************************/ package org.eclipse.ui.examples.contributions.handlers; import org.eclipse.core.commands.AbstractHandler; import org.eclipse.core.commands.ExecutionEvent; import org.eclipse.core.commands.ExecutionException; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.swt.widgets.Shell; import org.eclipse.ui.IWorkbenchWindow; import org.eclipse.ui.examples.contributions.ContributionMessages; import org.eclipse.ui.handlers.HandlerUtil; /** * Opens a blank dialog with the InfoView title. The handler should only be * active when the activePart is an InfoView part. * <p> * This is used for the menu contribution example. * </p> * * @since 3.4 * */ public class InfoAboutHandler extends AbstractHandler { /** * A blank dialog. This is activated by the About InfoView menu * contribution. The handler is active when the InfoView part is active. * * @since 3.4 * */ private final class InfoAboutDialog extends Dialog { private InfoAboutDialog(Shell parentShell) { super(parentShell); } @Override protected void configureShell(Shell newShell) { super.configureShell(newShell); newShell.setText(ContributionMessages.InfoView_about_msg); } } @Override public Object execute(ExecutionEvent event) throws ExecutionException { IWorkbenchWindow window = HandlerUtil .getActiveWorkbenchWindowChecked(event); Dialog dialog = new InfoAboutDialog(window.getShell()); dialog.open(); return null; } }