/*******************************************************************************
 * 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.service.ui;

import java.lang.reflect.Method;

import org.eclipse.core.resources.IFile;
import org.eclipse.ui.IEditorReference;
import org.eclipse.ui.ISaveablePart;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.internal.SaveableHelper;

/**
 * @author Cindy Li
 */
@SuppressWarnings( "restriction" )
public class ServiceUIUtil
{
    public static boolean shouldCreateServiceBuilderJob( IFile file )
    {
        final IWorkbenchWindow[] windows = PlatformUI.getWorkbench().getWorkbenchWindows();

        for( IWorkbenchWindow window  : windows )
        {
            final IWorkbenchPage[] pages = window.getPages();

            for( IWorkbenchPage page : pages )
            {
                final IEditorReference[] editorReferences = page.getEditorReferences();

                for( IEditorReference editorReference : editorReferences )
                {
                    if( file.getName().equals( editorReference.getName() ) )
                    {
                        final IWorkbenchPart part = editorReference.getPart( true );

                        // SaveableHelper.savePart is not visible on Indigo so must use reflection
                        try
                        {
                            Method savePartMethod = SaveableHelper.class.getDeclaredMethod( "savePart",
                                                                                            ISaveablePart.class,
                                                                                            IWorkbenchPart.class,
                                                                                            IWorkbenchWindow.class,
                                                                                            Boolean.TYPE );

                            savePartMethod.setAccessible( true );

                            boolean save = (Boolean) savePartMethod.invoke( null, part, part, window, true );

                            if( save )
                            {
                                return true;
                            }
                            else
                            {
                                return false;
                            }
                        }
                        catch( Exception e )
                        {
                        }
                    }
                }
            }
        }

        return true;
    }

}