/**

  * Copyright 2010 The Kuali Foundation Licensed under the

  * Educational Community 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.osedu.org/licenses/ECL-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.kuali.student.common.ui.client.widgets.menus.impl;

 import java.util.ArrayList;

 import java.util.List;

 import org.kuali.student.common.ui.client.mvc.Callback;

 import org.kuali.student.common.ui.client.widgets.menus.KSMenuItemData;

 import com.google.gwt.user.client.ui.Composite;

 import com.google.gwt.user.client.ui.FlowPanel;

 import com.google.gwt.user.client.ui.HTMLPanel;

 public class KSBlockMenuImpl extends Composite{

         private FlowPanel layout = new FlowPanel();

         private FlowPanel container = new FlowPanel();

         private List<KSListMenuImpl> menus = new ArrayList<KSListMenuImpl>();

         private List<KSMenuItemData> data;

         public KSBlockMenuImpl(){

                 //layout.setStyleName("KS-Block-Menu");

                 layout.setStyleName("ks-page-sub-navigation");

                 container.add(layout);

                 layout.add(new HTMLPanel("<div class=\"clear\">&nbsp;</div>"));

                 this.initWidget(container);

         }

         public void addMenu(KSListMenuImpl menu){

                 menu.setStyleName("ks-page-sub-navigation-menu");

                 layout.insert(menu, layout.getWidgetCount() -1);

                 menus.add(menu);

                 menu.addGlobalMenuItemSelectCallback(new Callback<KSMenuItemData>(){

                         @Override

                         public void exec(KSMenuItemData result) {

                                 for(int i=0; i < KSBlockMenuImpl.this.menus.size(); i++){

                                         KSBlockMenuImpl.this.menus.get(i).clearSelected();

                                 }

                         }

                 });

         }

         public void setMenus(List<KSListMenuImpl> menus){

                 for(KSListMenuImpl menu: menus){

                         this.addMenu(menu);

                 }

         }

         /**

          * Use the top level menu items of a list of KSMenuItemData to generate separate menus in a block

          * layout

          * @param data

          */

         public void setTopLevelItems(List<KSMenuItemData> data){

                 this.data = data;

                 refresh();

         }

         public void refresh(){

                 layout.clear();

                 menus.clear();

                 layout.add(new HTMLPanel("<div class=\"clear\">&nbsp;</div>"));

                 for(KSMenuItemData item: data){

                         List<KSMenuItemData> list = new ArrayList<KSMenuItemData>();

                         list.add(item);

                         KSListMenuImpl menu = new KSListMenuImpl();

                         menu.setItems(list);

                         this.addMenu(menu);

                 }

         }

 }