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1   /*
2    *  Copyright 2004 University of Hannover
3    *
4    *  Licensed under the Apache License, Version 2.0 (the "License");
5    *  you may not use this file except in compliance with the License.
6    *  You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   *  Unless required by applicable law or agreed to in writing, software
11   *  distributed under the License is distributed on an "AS IS" BASIS,
12   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   *  See the License for the specific language governing permissions and
14   *  limitations under the License.
15   */
16  
17  package olr.presentation;
18  
19  import org.w3c.dom.html.HTMLFrameElement;
20  
21  import com.lutris.appserver.server.httpPresentation.HttpPresentationException;
22  
23  /***
24   * @version $Id: StructureFrame.java,v 1.5 2004/08/03 08:33:53 roku Exp $
25   */
26  public class StructureFrame extends SecureHttpPresentation {
27      /***
28       * Initializes an instance of this class.
29       */
30      public StructureFrame() {
31      }
32  
33      public String handleDefault() throws HttpPresentationException {
34          return showPage();
35      }
36  
37      public String handleChooseSchema() throws HttpPresentationException {
38          try {
39              String schemaNr = getComms().request.getParameter("nr");
40              getSessionData().getCourseViewers().setActiveViewer(Integer.parseInt(schemaNr));
41          } catch (Exception e) {
42              e.printStackTrace();
43          }
44          return showPage();
45      }
46  
47      public String showPage() {
48          StructureFrameHTML page = new StructureFrameHTML();
49          try {
50              HTMLFrameElement structureViewer = page.getElementStructureViewer();
51              String modifiedURI = getComms().request.getParameter("modifiedURI");
52              structureViewer.setSrc(String
53                      .valueOf(!getSessionData().isAuthor() ? getSessionData().getCourseViewers()
54                              .getActiveViewer().getTitle().equals("tbl") ? "TBLStructure.po"
55                              : "ImageStructure.po" : "Structure.po")
56                      + String.valueOf(modifiedURI != null ? ((Object) ("?modifiedURI=".concat(String
57                              .valueOf(String.valueOf(modifiedURI))))) : ""));
58          } catch (Exception e) {
59              e.printStackTrace();
60          }
61          return page.toDocument();
62      }
63  }