/*******************************************************************************
* Copyright (c) 2010, 2015 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.internal.handlers;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.ui.internal.Workbench;
import org.eclipse.ui.internal.intro.IntroDescriptor;
import org.eclipse.ui.internal.intro.IntroMessages;
/**
*
* @author Prakash G.R.
*
* @since 3.7
*
*/
public class IntroHandler extends AbstractHandler {
private Workbench workbench;
private IntroDescriptor introDescriptor;
public IntroHandler() {
workbench = (Workbench) PlatformUI.getWorkbench();
introDescriptor = workbench.getIntroDescriptor();
}
@Override
public Object execute(ExecutionEvent event) {
if (introDescriptor == null) {
MessageDialog.openWarning(HandlerUtil.getActiveShell(event),
IntroMessages.Intro_missing_product_title,
IntroMessages.Intro_missing_product_message);
} else {
IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindow(event);
workbench.getIntroManager().showIntro(window, false);
}
return null;
}
@Override
public boolean isEnabled() {
boolean enabled = false;
IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
if (window != null) {
enabled = window.getPages().length > 0;
}
return enabled;
}
}