/*

  * 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.configuration.extension;

 import java.util.List;

 import org.seasar.framework.util.StringUtil;

 import org.seasar.uruma.component.UIElement;

 import org.seasar.uruma.component.jface.MenuComponent;

 import org.seasar.uruma.component.jface.MenuItemComponent;

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

 import org.seasar.uruma.core.UrumaConstants;

 import org.seasar.uruma.rcp.UrumaService;

 import org.seasar.uruma.rcp.configuration.Extension;

 import org.seasar.uruma.rcp.configuration.ExtensionBuilder;

 import org.seasar.uruma.rcp.configuration.ExtensionFactory;

 import org.seasar.uruma.rcp.configuration.ExtensionPoints;

 import org.seasar.uruma.rcp.configuration.elements.ActionElement;

 import org.seasar.uruma.rcp.configuration.elements.ActionSetElement;

 import org.seasar.uruma.rcp.configuration.elements.ActionSetsMenuElement;

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

 /**

  * <code>actionSets</code> 拡張ポイントを生成するための {@link ExtensionBuilder} です。<br />

  * 

  * @author y-komori

  */

 public class ActionSetsBuilder implements ExtensionBuilder, UrumaConstants {

     static final String START_MARKER = "startMarker";

     static final String ADDITIONS = "additions";

     static final String URUMA_MENU = "urumaMenu";

     protected UrumaService service;

     protected int menuCount;

     protected int actionCount;

     /**

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

      */

     public ActionSetsBuilder() {

         this.service = UrumaServiceUtil.getService();

     }

     /*

      * @see org.seasar.uruma.rcp.configuration.ExtensionBuilder#buildExtension()

      */

     public Extension[] buildExtension() {

         this.menuCount = 0;

         this.actionCount = 0;

         return new Extension[] { setupActionSets() };

     }

     protected Extension setupActionSets() {

         Extension extension = ExtensionFactory

                 .createExtension(ExtensionPoints.ACTIONSETS);

         ActionSetElement actionSet = createActionSet();

         WorkbenchComponent workbenchComponent = service.getWorkbenchComponent();

         for (MenuComponent menu : workbenchComponent.getMenus()) {

             List<UIElement> children = menu.getChildren();

             for (UIElement child : children) {

                 if (child instanceof MenuComponent) {

                     setupMenu(actionSet, (MenuComponent) child, null);

                 }

             }

         }

         extension.addElement(actionSet);

         return extension;

     }

     protected ActionSetElement createActionSet() {

         ActionSetElement actionSet = new ActionSetElement();

         actionSet.id = service.getPluginId() + ".actionSet";

         actionSet.label = service.getPluginId() + "'s actionSet.";

         return actionSet;

     }

     protected void setupMenu(final ActionSetElement actionSet,

             final MenuComponent menuComponent, final String parentPath) {

         ActionSetsMenuElement menu = new ActionSetsMenuElement(menuComponent);

         // Menu の id が設定されていない場合は自動設定する

         String id = menuComponent.getId();

         if (StringUtil.isEmpty(id)) {

             id = AUTO_MENU_ID_PREFIX + menuCount++;

         }

         menu.id = service.createRcpId(id);

         String path = ((parentPath != null) ? parentPath + SLASH : NULL_STRING)

                 + menu.id;

         menu.path = path + SLASH + URUMA_MENU;

         actionSet.addElement(menu);

         List<UIElement> children = menuComponent.getChildren();

         for (UIElement child : children) {

             if (child instanceof MenuComponent) {

                 setupMenu(actionSet, (MenuComponent) child, path);

             } else if (child instanceof MenuItemComponent) {

                 setupMenuItem(actionSet, (MenuItemComponent) child, path);

             }

         }

     }

     protected void setupMenuItem(final ActionSetElement actionSet,

             final MenuItemComponent menuItem, final String parentPath) {

         ActionElement action = new ActionElement(menuItem);

         // MenuItem の id が設定されていない場合は自動設定する

         String id = menuItem.getId();

         if (StringUtil.isEmpty(id)) {

             id = AUTO_ACTION_ID_PREFIX + actionCount++;

         }

         action.id = service.createRcpId(id);

         action.menubarPath = ((parentPath != null) ? (parentPath + SLASH)

                 : NULL_STRING)

                 + ADDITIONS;

         actionSet.addElement(action);

     }

 }