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1   /*
2   * Licensed to the Apache Software Foundation (ASF) under one or more
3   * contributor license agreements.  See the NOTICE file distributed with
4   * this work for additional information regarding copyright ownership.
5   * The ASF licenses this file to You under the Apache License, Version 2.0
6   * (the "License"); you may not use this file except in compliance with
7   * the License.  You may obtain a copy of the License at
8   *
9   *     http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17  package org.apache.jetspeed.portlets.layout;
18  
19  import org.apache.jetspeed.om.page.Fragment;
20  import org.apache.jetspeed.om.page.Page;
21  import org.apache.jetspeed.page.PageManager;
22  
23  public class PageManagerLayoutEventListener implements LayoutEventListener
24  {
25      private final PageManager pageManager;
26      private final Page page;
27      
28      public PageManagerLayoutEventListener(PageManager pageManager, Page page, String layoutType)
29      {
30          this.pageManager = pageManager;
31          this.page = page;
32      }
33  
34      public void handleEvent(LayoutEvent event) throws LayoutEventException
35      {
36          try
37          {
38              if(event.getEventType() == LayoutEvent.ADDED)
39              {
40                  page.getRootFragment().getFragments().add(event.getFragment());
41                  pageManager.updatePage(page);
42              }
43              else
44              {
45                  Fragment fragment = event.getFragment();
46                  LayoutCoordinate coordinate = event.getNewCoordinate();
47                  fragment.getProperties().put(Fragment.COLUMN_PROPERTY_NAME, String.valueOf(coordinate.getX()));
48                  fragment.getProperties().put(Fragment.ROW_PROPERTY_NAME, String.valueOf(coordinate.getY()));
49                  pageManager.updatePage(page);
50              }
51          }
52          catch (Exception e)
53          {
54              throw new LayoutEventException("Unable to update page.", e);
55          }
56      }
57  
58  }