/*
 *                 Sun Public License Notice
 *
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 *
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2003 Sun
 * Microsystems, Inc. All Rights Reserved.
 */
package org.netbeans.modules.refactoring.ui;

import java.awt.event.ActionEvent;
import javax.swing.Action;
import javax.swing.JMenuItem;
import org.netbeans.api.project.FileOwnerQuery;
import org.netbeans.jmi.javamodel.JavaPackage;
import org.netbeans.modules.javacore.internalapi.JavaMetamodel;
import org.netbeans.modules.refactoring.CheckUtils;
import org.netbeans.modules.refactoring.api.ui.AbstractRefactoringAction;
import org.openide.actions.RenameAction;
import org.openide.filesystems.FileObject;
import org.openide.loaders.DataObject;
import org.openide.loaders.DataFolder;
import org.openide.loaders.DataShadow;
import org.openide.util.ContextAwareAction;
import org.openide.util.HelpCtx;
import org.openide.util.Lookup;
import org.openide.util.NbBundle;

import org.openide.util.actions.SystemAction;
import org.openide.util.actions.Presenter.Menu;
import org.openide.util.actions.Presenter.Popup;
import org.openide.windows.TopComponent;

/** Action that displays refactoring submenu action on JavaDataObject
 * and delegates to it.
 *
 * @author Martin Matula
 */
public class RSMJavaDOAction extends SystemAction implements Menu, Popup, ContextAwareAction {
    // create delegate (RefactoringSubMenuAction)
    private final RefactoringSubMenuAction action = new RefactoringSubMenuAction(false);
    
    private static final RenameAction renameAction = (RenameAction) SystemAction.get(RenameAction.class);
    private static final String logicalViewName = NbBundle.getBundle("org.netbeans.modules.project.ui.Bundle").getString("LBL_projectTabLogical_tc");
    
    public void actionPerformed(ActionEvent ev) {
        // do nothing -- should never be called
    }
    
    public String getName() {
        return (String) action.getValue(Action.NAME);
    }
    
    public HelpCtx getHelpCtx() {
        return HelpCtx.DEFAULT_HELP;
        // If you will provide context help then use:
        // return new HelpCtx(RSMEditorActionAction.class);
    }
    
    public JMenuItem getMenuPresenter() {
        return action.getMenuPresenter();
    }
    
    public JMenuItem getPopupPresenter() {
        return action.getPopupPresenter();
    }
    
    public Action createContextAwareInstance(Lookup actionContext) {
        DataObject dobj = (DataObject) actionContext.lookup(DataObject.class);
        while (dobj instanceof DataShadow) {
            dobj = ((DataShadow) dobj).getOriginal();
        }
        if (!(dobj instanceof DataFolder)) {
            return this;
        }
        String tcName = TopComponent.getRegistry().getActivated().getName();
        boolean isProjectTabActive = logicalViewName.equals(tcName);
        
        if (!isProjectTabActive || CheckUtils.isFolderEmpty(dobj.getPrimaryFile())) {
            return renameAction.createContextAwareInstance(actionContext);
        } else {
            return this;
        }
    }
}