handlers.InfoAboutHandler.java Source code

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Here is the source code for handlers.InfoAboutHandler.java

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/*******************************************************************************
 * Copyright (c) 2007 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 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.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);
        }

        protected void configureShell(Shell newShell) {
            super.configureShell(newShell);
            newShell.setText("");
        }
    }

    public Object execute(ExecutionEvent event) throws ExecutionException {
        IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindowChecked(event);
        Dialog dialog = new InfoAboutDialog(window.getShell());
        dialog.open();
        return null;
    }

}