/*

  * 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.List;

 import org.eclipse.ui.IPageLayout;

 import org.eclipse.ui.IPerspectiveFactory;

 import org.seasar.uruma.component.Template;

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

 import org.seasar.uruma.core.TemplateManager;

 import org.seasar.uruma.rcp.UrumaService;

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

 /**

  * パースペクティブを自動的に生成するための {@link IPerspectiveFactory} です。<br />

  * 

  * @author y-komori

  */

 public class AutoPerspectiveFactory implements IPerspectiveFactory {

     protected UrumaService service;

     protected TemplateManager templateManager;

     /**

      * {@link AutoPerspectiveFactory} を構築します。<br />

      */

     public AutoPerspectiveFactory() {

         this.service = UrumaServiceUtil.getService();

         this.templateManager = (TemplateManager) service.getContainer()

                 .getComponent(TemplateManager.class);

     }

     /*

      * @see org.eclipse.ui.IPerspectiveFactory#createInitialLayout(org.eclipse.ui.IPageLayout)

      */

     public void createInitialLayout(final IPageLayout layout) {

         layout.setEditorAreaVisible(false);

         List<Template> templates = templateManager

                 .getTemplates(ViewPartComponent.class);

         int size = templates.size();

         for (int i = 0; i < size; i++) {

             Template template = templates.get(i);

             ViewPartComponent viewPart = (ViewPartComponent) template

                     .getRootComponent();

             // 左から均等に配置されるように割合を計算

             float ratio = (1 / (float) (size - i));

             int position = IPageLayout.LEFT;

             if (i == (templates.size() - 1)) {

                 position = IPageLayout.RIGHT;

             }

             layout.addStandaloneView(service.createRcpId(viewPart.getId()),

                     true, position, ratio, layout.getEditorArea());

         }

     }

 }