/*******************************************************************************
 * Copyright (c) 2008, 2011 Sonatype Inc. 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:
 *    Sonatype Inc. - initial API and implementation
 *******************************************************************************/
package tycho.demo.itp01.actions;

import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;
import org.eclipse.jface.dialogs.MessageDialog;

/**
 * Our sample action implements workbench action delegate. The action proxy will be created by the
 * workbench and shown in the UI. When the user tries to use the action, this delegate will be
 * created and execution will be delegated to it.
 * 
 * @see IWorkbenchWindowActionDelegate
 */
public class SampleAction implements IWorkbenchWindowActionDelegate {
    private IWorkbenchWindow window;

    /**
     * The constructor.
     */
    public SampleAction() {
    }

    /**
     * The action has been activated. The argument of the method represents the 'real' action
     * sitting in the workbench UI.
     * 
     * @see IWorkbenchWindowActionDelegate#run
     */
    public void run(IAction action) {
        MessageDialog.openInformation(window.getShell(), "Itp Plug-in", "Hello, Eclipse world");
    }

    /**
     * Selection in the workbench has been changed. We can change the state of the 'real' action
     * here if we want, but this can only happen after the delegate has been created.
     * 
     * @see IWorkbenchWindowActionDelegate#selectionChanged
     */
    public void selectionChanged(IAction action, ISelection selection) {
    }

    /**
     * We can use this method to dispose of any system resources we previously allocated.
     * 
     * @see IWorkbenchWindowActionDelegate#dispose
     */
    public void dispose() {
    }

    /**
     * We will cache window object in order to be able to provide parent shell for the message
     * dialog.
     * 
     * @see IWorkbenchWindowActionDelegate#init
     */
    public void init(IWorkbenchWindow window) {
        this.window = window;
    }
}
