/*******************************************************************************
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library 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 Lesser General Public License for more
 * details.
 *
 *******************************************************************************/

package com.liferay.ide.portlet.ui.editor;

import com.liferay.ide.core.util.StringPool;
import com.liferay.ide.ui.editor.IDEFormEditorContributor;

import org.eclipse.jface.action.IAction;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.actions.ActionFactory;
import org.eclipse.ui.ide.IDEActionFactory;
import org.eclipse.ui.texteditor.ITextEditor;
import org.eclipse.ui.texteditor.ITextEditorActionConstants;

/**
 * @author Greg Amerson
 */
public class PluginPackageEditorActionBarContributor extends IDEFormEditorContributor
{

    protected IEditorPart activeEditorPart;

    public PluginPackageEditorActionBarContributor()
    {
        super( StringPool.EMPTY );
    }

    @Override
    public void setActivePage( IEditorPart part )
    {

        if( activeEditorPart == part )
            return;

        activeEditorPart = part;

        IActionBars actionBars = getActionBars();

        if( actionBars != null )
        {

            ITextEditor editor = ( part instanceof ITextEditor ) ? (ITextEditor) part : null;

            actionBars.setGlobalActionHandler(
                ActionFactory.DELETE.getId(), getAction( editor, ITextEditorActionConstants.DELETE ) );
            actionBars.setGlobalActionHandler(
                ActionFactory.UNDO.getId(), getAction( editor, ITextEditorActionConstants.UNDO ) );
            actionBars.setGlobalActionHandler(
                ActionFactory.REDO.getId(), getAction( editor, ITextEditorActionConstants.REDO ) );
            actionBars.setGlobalActionHandler(
                ActionFactory.CUT.getId(), getAction( editor, ITextEditorActionConstants.CUT ) );
            actionBars.setGlobalActionHandler(
                ActionFactory.COPY.getId(), getAction( editor, ITextEditorActionConstants.COPY ) );
            actionBars.setGlobalActionHandler(
                ActionFactory.PASTE.getId(), getAction( editor, ITextEditorActionConstants.PASTE ) );
            actionBars.setGlobalActionHandler(
                ActionFactory.SELECT_ALL.getId(), getAction( editor, ITextEditorActionConstants.SELECT_ALL ) );
            actionBars.setGlobalActionHandler(
                ActionFactory.FIND.getId(), getAction( editor, ITextEditorActionConstants.FIND ) );
            actionBars.setGlobalActionHandler(
                IDEActionFactory.BOOKMARK.getId(), getAction( editor, IDEActionFactory.BOOKMARK.getId() ) );
            actionBars.updateActionBars();
        }
    }

    /**
     * Returns the action registed with the given text editor.
     * 
     * @return IAction or null if editor is null.
     */
    protected IAction getAction( ITextEditor editor, String actionID )
    {
        return( editor == null ? null : editor.getAction( actionID ) );
    }

}