/*

  * Copyright 2004-2008 the Seasar Foundation and the Others.

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 

  * either express or implied. See the License for the specific language

  * governing permissions and limitations under the License.

  */

 package org.seasar.uruma.rcp.ui;

 import java.util.ResourceBundle;

 import org.eclipse.swt.widgets.Display;

 import org.eclipse.swt.widgets.Shell;

 import org.eclipse.ui.application.IWorkbenchConfigurer;

 import org.eclipse.ui.application.IWorkbenchWindowConfigurer;

 import org.eclipse.ui.application.WorkbenchAdvisor;

 import org.eclipse.ui.application.WorkbenchWindowAdvisor;

 import org.seasar.eclipse.common.util.ImageManager;

 import org.seasar.framework.util.StringUtil;

 import org.seasar.uruma.component.rcp.WorkbenchComponent;

 import org.seasar.uruma.core.UrumaConstants;

 import org.seasar.uruma.core.UrumaMessageCodes;

 import org.seasar.uruma.exception.NotFoundException;

 import org.seasar.uruma.log.UrumaLogger;

 import org.seasar.uruma.rcp.UrumaService;

 import org.seasar.uruma.rcp.util.UrumaServiceUtil;

 import org.seasar.uruma.ui.dialogs.UrumaErrorDialog;

 import org.seasar.uruma.util.MessageUtil;

 /**

  * Uruma における {@link WorkbenchAdvisor} です。<br />

  * 

  * @author y-komori

  */

 public class UrumaWorkbenchAdvisor extends WorkbenchAdvisor implements

         UrumaMessageCodes, UrumaConstants {

     private static final UrumaLogger logger = UrumaLogger

             .getLogger(UrumaWorkbenchAdvisor.class);

     /*

      * @see org.eclipse.ui.application.WorkbenchAdvisor#initialize(org.eclipse.ui.application.IWorkbenchConfigurer)

      */

     @Override

     public void initialize(final IWorkbenchConfigurer configurer) {

         UrumaService service = UrumaServiceUtil.getService();

         service.getContainer().register(configurer);

         // ウィンドウの位置・サイズの保存可否を指定します。

         WorkbenchComponent workbench = service.getWorkbenchComponent();

         boolean flg = Boolean.parseBoolean(workbench.saveAndRestore);

         configurer.setSaveAndRestore(flg);

         ResourceBundle imageBundle = service.getImageBundle();

         if (imageBundle != null) {

             logger.log(UrumaMessageCodes.LOADING_IMAGE_BUNDLE, imageBundle);

             ImageManager.loadImages(imageBundle);

         }

     }

     /*

      * @see org.eclipse.ui.application.WorkbenchAdvisor#preShutdown()

      */

     @Override

     public boolean preShutdown() {

         ImageManager.dispose();

         return true;

     }

     /*

      * @see org.eclipse.ui.application.WorkbenchAdvisor#getInitialWindowPerspectiveId()

      */

     @Override

     public String getInitialWindowPerspectiveId() {

         UrumaService service = UrumaServiceUtil.getService();

         String perspectiveId = service.getWorkbenchComponent().initialPerspectiveId;

         if (StringUtil.isNotBlank(perspectiveId)) {

             WorkbenchComponent workbench = UrumaServiceUtil.getService()

                     .getWorkbenchComponent();

             if (workbench.findPerspective(perspectiveId) != null) {

                 return service.createRcpId(perspectiveId);

             } else {

                 throw new NotFoundException(

                         UrumaMessageCodes.PERSPECTIVE_NOT_FOUND, perspectiveId);

             }

         } else {

             return service.createRcpId(UrumaConstants.DEFAULT_PERSPECTIVE_ID);

         }

     }

     /*

      * @see org.eclipse.ui.application.WorkbenchAdvisor#createWorkbenchWindowAdvisor(org.eclipse.ui.application.IWorkbenchWindowConfigurer)

      */

     @Override

     public WorkbenchWindowAdvisor createWorkbenchWindowAdvisor(

             final IWorkbenchWindowConfigurer configurer) {

         return new UrumaWorkbenchWindowAdvisor(configurer);

     }

     /*

      * @see org.eclipse.ui.application.WorkbenchAdvisor#eventLoopException(java.lang.Throwable)

      */

     @Override

     public void eventLoopException(final Throwable throwable) {

         logger.log(EXCEPTION_OCCURED_WITH_REASON, throwable, throwable

                 .getMessage());

         Display display = getWorkbenchConfigurer().getWorkbench().getDisplay();

         boolean displayCreated = false;

         if (display == null) {

             display = Display.getCurrent();

             if (display == null) {

                 display = new Display();

                 displayCreated = true;

             }

         }

         Shell shell = new Shell(display);

         String msg = MessageUtil.getMessageWithBundleName(URUMA_MESSAGE_BASE,

                 "RCP_EXCEPTION_OCCURED");

         UrumaErrorDialog dialog = new UrumaErrorDialog(shell, "Uruma", msg,

                 throwable);

         dialog.open();

         shell.dispose();

         if (displayCreated) {

             display.dispose();

         }

     }

 }