ShowWelcomeAction.java

/*
 * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package com.sun.tools.visualvm.modules.appui.welcome;

import java.util.Set;

import org.openide.util.HelpCtx;
import org.openide.util.NbBundle;
import org.openide.util.actions.CallableSystemAction;
import org.openide.windows.TopComponent;

/**
 * Show the welcome screen.
 * @author  Richard Gregor
 */
public class ShowWelcomeAction extends CallableSystemAction {

    public ShowWelcomeAction() {
        putValue("noIconInMenu", Boolean.TRUE); // NOI18N
    }

    public void performAction() {
        WelcomeComponent topComp = null;
        Set<TopComponent> tcs = TopComponent.getRegistry().getOpened();
        for (TopComponent tc: tcs) {
            if (tc instanceof WelcomeComponent) {                
                topComp = (WelcomeComponent) tc;               
                break;
            }
        }
        if(topComp == null){            
            topComp = WelcomeComponent.findComp();
        }
       
        topComp.open();
        topComp.requestActive();
    }
    
    public String getName() {
        return NbBundle.getMessage(ShowWelcomeAction.class, "LBL_Action"); //NOI18N
    }
    
    @Override protected String iconResource() {
        return "com/sun/tools/visualvm/modules/appui/welcome/resources/welcome.gif";  //NOI18N
    }
    
    public HelpCtx getHelpCtx() {
        return HelpCtx.DEFAULT_HELP;
    }
    
    @Override protected boolean asynchronous(){
        return false;
    }
}