Examples of org.tei.comparator.web.client.TableOfContentsEntry

org.tei.comparator.web.client.TableOfContentsEntry

   * @param lookUpTable
   * @param revLookUpTable
   */
  private TableOfContentsEntry generateTableOfContents(Document doc, HashMap<Node, TableOfContentsEntry> lookUpTable, HashMap<TableOfContentsEntry, Node> revLookUpTable){
    // create toc object
    TableOfContentsEntry toc = new TableOfContentsEntry("root", "root");
    
    // store root in lut
    lookUpTable.put(doc.getDocumentElement(), toc);
    
    // elements where we should use the first x words
    String[] elementsUsingFirstWords = PropertiesProvider.getInstance().getElementsForTOCUsingBeginningOfSection();
    int numberOfFirstWords = PropertiesProvider.getInstance().getNumberOfFirstWordsForTOC();
    
    // create the list of 
    XPathFactory xpf = XPathFactory.newInstance();
    XPath xpath = xpf.newXPath();
    xpath.setNamespaceContext(Utils.getTEINamespaceContext());
    try {
      String finalLevel = PropertiesProvider.getInstance().getFinalTOCLevel();
      XPathExpression xpexp = xpath.compile("//tei:" + finalLevel + 
                          "[count(ancestor::tei:" + finalLevel + ")=0]");
      NodeList list = (NodeList) xpexp.evaluate(doc, XPathConstants.NODESET);
      for(int i = 0; i < list.getLength(); i++){
        Node parent = list.item(i);
        TableOfContentsEntry cEntry = getTocEntry((Element)parent, elementsUsingFirstWords, numberOfFirstWords);
        
        lookUpTable.put(parent, cEntry);
        revLookUpTable.put(cEntry, parent);
        
        while((parent = parent.getParentNode()) != null){
          TableOfContentsEntry pEntry;
          if(! lookUpTable.containsKey(parent)){
            pEntry = getTocEntry((Element)parent, elementsUsingFirstWords, numberOfFirstWords); 
            lookUpTable.put(parent, pEntry);
            revLookUpTable.put(pEntry, parent);
          } else
            pEntry = lookUpTable.get(parent);


          // if we are not in there yet
          boolean found = false;
          for(int j = 0; j < pEntry.getChildCount(); j++ ){
            if(pEntry.getChild(j) == cEntry){
              found = true;
              break;
            }
          }
            
          if(!found)
            pEntry.add(cEntry);
          else
            break;
          
          // switch p and c
          cEntry = pEntry;

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    return toc;
  }


  private TableOfContentsEntry getTocEntry(Element node, String[] elementsUsingFirstWords, int numberOfFirstWords) {
    TableOfContentsEntry entry;
    if(! ArrayUtils.contains(elementsUsingFirstWords, node.getNodeName()))
      entry = new TableOfContentsEntry(node.getNodeName() + (node.getAttribute("type").equals("") ? "" : " (" + node.getAttribute("type") + ")"), Utils.getUniqueXMLID());
    else {
      String textContent = node.getTextContent();
      textContent = new WhiteSpaceRemovalPreprocessing().preprocessInput(textContent);
      
      String[] words = textContent.split(" ");
      if(words.length < numberOfFirstWords){
        textContent = (textContent.equals("") ? "[Empty Section]" : textContent);
        entry = new TableOfContentsEntry(textContent, Utils.getUniqueXMLID());
      }
      else {
        String heading = words[0];
        for(int j = 1; j < numberOfFirstWords; j++)
          heading += " " + words[j];
        entry = new TableOfContentsEntry(heading, Utils.getUniqueXMLID());
      }
    }
    
    return entry;
  }

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     // Tell the system that we are working
     Work.show("Load table of contents");
  }


  public void selectNextSection(final int file, final TableOfContentsEntry entry, final CommandCallback<Section> callback){
    TableOfContentsEntry next = entry.getNext();
    if(next instanceof TableOfContentsEntry)
      selectSection(file, next, callback);
    else
      Window.alert("I could not find a next section.");
    }

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    else
      Window.alert("I could not find a next section.");
    }


  public void selectPreviousSection(final int file, final TableOfContentsEntry entry, final CommandCallback<Section> callback){
    TableOfContentsEntry prev = entry.getPrev();
    if(prev instanceof TableOfContentsEntry)
      selectSection(file, prev, callback);
    else
      Window.alert("I could not find a previous section.");
    }

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  private void itemSelected(){
      if(tree.getSelectedItem().isLeaf()){
       hide();


       // get entry
       TableOfContentsEntry entry = (TableOfContentsEntry)tree.getSelectedItem().getModel();
       
       // call current listener
       selectionListener.tocp_itemSelected(entry);
     } else {
       com.google.gwt.user.client.Window.alert("Please select leaf.");

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