Ejemplo n.º 1
1
    public void run() {
      SearchTOCItem tocitem;
      Vector nodes = new Vector();

      // Add all the children of the topnode to the Vector of nodes.
      Enumeration children = topNode.children();
      while (children.hasMoreElements()) {
        DefaultMutableTreeNode node = (DefaultMutableTreeNode) children.nextElement();
        nodes.addElement(node);
      }

      debug("items found");
      HelpModel helpmodel = searchnav.getModel();
      HelpSet hs = helpmodel.getHelpSet();
      debug("hs:" + hs.toString());
      Map map = hs.getCombinedMap();
      Enumeration itemEnum = e.getSearchItems();
      while (itemEnum.hasMoreElements()) {
        SearchItem item = (SearchItem) itemEnum.nextElement();
        debug("  item: " + item);
        URL url;
        try {
          url = new URL(item.getBase(), item.getFilename());
        } catch (MalformedURLException me) {
          System.err.println(
              "Failed to create URL from " + item.getBase() + "|" + item.getFilename());
          continue;
        }
        boolean foundNode = false;
        DefaultMutableTreeNode node = null;
        Enumeration nodesEnum = nodes.elements();
        while (nodesEnum.hasMoreElements()) {
          node = (DefaultMutableTreeNode) nodesEnum.nextElement();
          tocitem = (SearchTOCItem) node.getUserObject();
          URL testURL = tocitem.getURL();
          if (testURL != null && url != null && url.sameFile(testURL)) {
            tocitem = (SearchTOCItem) node.getUserObject();
            tocitem.addSearchHit(
                new SearchHit(item.getConfidence(), item.getBegin(), item.getEnd()));
            foundNode = true;
            break;
          }
        }
        if (!foundNode) {
          tocitem = new SearchTOCItem(item);
          node = new DefaultMutableTreeNode(tocitem);
          nodes.addElement(node);
        }
      }
      reorder(nodes);
      ((DefaultTreeModel) tree.getModel()).reload();
    }
Ejemplo n.º 2
0
  private int compare(DefaultMutableTreeNode node1, DefaultMutableTreeNode node2) {
    SearchTOCItem item1, item2;
    double confidence1, confidence2;
    int hits1, hits2;

    item1 = (SearchTOCItem) node1.getUserObject();
    confidence1 = item1.getConfidence();
    hits1 = item1.hitCount();

    item2 = (SearchTOCItem) node2.getUserObject();
    confidence2 = item2.getConfidence();
    hits2 = item2.hitCount();

    // confidence is a penality. The lower the better
    if (confidence1 > confidence2) {
      // node1 is less than node2
      return -1;
    } else if (confidence1 < confidence2) {
      // node1 is greater than node2
      return 1;
    } else {
      // confidences are the same check the hits
      if (hits1 < hits2) {
        // node1 is less than node2
        return -1;
      } else if (hits1 > hits2) {
        // node2 is greater than node2
        return 1;
      }
    }
    // nodes1 and nodes2 are equivalent
    return 0;
  }
  private void doSave() {
    ObjectOutputStream objectStream = getObjectOutputStream();

    if (objectStream != null) {
      try {
        System.out.println("Saving " + selectedChildrenPaths.size() + " Selected Generations...");

        for (int i = 0; i < selectedChildrenPaths.size(); i++) {
          // Get the userObject at the supplied path
          Object selectedPath =
              ((TreePath) selectedChildrenPaths.elementAt(i)).getLastPathComponent();
          DefaultMutableTreeNode selectedNode = (DefaultMutableTreeNode) selectedPath;

          objectStream.writeObject(selectedNode.getUserObject());
        }

        objectStream.close();
        System.out.println("Save completed successfully.");
      } catch (IOException e) {
        System.err.println(e);
      }
    } else {
      System.out.println("Save Selected Files has been aborted!");
    }
  }
Ejemplo n.º 4
0
  public DefaultMutableTreeNode findNode(DefaultMutableTreeNode parent, String match) {
    if (parent == null) return null;
    // Commented by Balan on 15/03/03
    // String treename =  (String)parent.getUserObject ();
    // Comment Ends

    // Added by Balan  on 15/03/03
    String treename = "" + ((Hashtable) parent.getUserObject()).get("TREE-NAME");
    // Add Ends

    if (treename != null) {
      if (treename.equals(match)) return parent;
    }

    if (frame.model.isLeaf(parent)) return null;

    Enumeration en = parent.children();
    if ((en == null) || (!en.hasMoreElements())) return null;
    for (; en.hasMoreElements(); ) {

      DefaultMutableTreeNode child = (DefaultMutableTreeNode) en.nextElement();
      DefaultMutableTreeNode returnNode = findNode(child, match);
      if (returnNode != null) return returnNode;
    }
    return null;
  }
 /**
  * Called when the selection changed in the tree. Loads the selected certificate.
  *
  * @param e the event
  */
 private void valueChangedPerformed(TreeSelectionEvent e) {
   Object o = e.getNewLeadSelectionPath().getLastPathComponent();
   if (o instanceof DefaultMutableTreeNode) {
     DefaultMutableTreeNode node = (DefaultMutableTreeNode) o;
     infoTextPane.setText(toString(node.getUserObject()));
   }
 }
Ejemplo n.º 6
0
  /**
   * Recursively rebuild the tree nodes.
   *
   * @param root The full abstract path to the root saved layout directory.
   * @param local The current directory relative to root (null if none).
   * @param tnode The current parent tree node.
   */
  private void rebuildTreeModel(Path root, Path local, DefaultMutableTreeNode tnode) {
    TreeSet<Path> subdirs = new TreeSet<Path>();
    TreeSet<String> layouts = new TreeSet<String>();
    {
      Path current = new Path(root, local);
      File files[] = current.toFile().listFiles();
      if (files != null) {
        int wk;
        for (wk = 0; wk < files.length; wk++) {
          String name = files[wk].getName();
          if (files[wk].isDirectory()) subdirs.add(new Path(local, name));
          else if (files[wk].isFile()) layouts.add(name);
        }
      }
    }

    for (Path subdir : subdirs) {
      TreeData data = new TreeData(subdir);
      DefaultMutableTreeNode child = new DefaultMutableTreeNode(data, true);
      tnode.add(child);

      rebuildTreeModel(root, subdir, child);
    }

    for (String lname : layouts) {
      TreeData data = new TreeData(new Path(local, lname), lname);
      DefaultMutableTreeNode child = new DefaultMutableTreeNode(data, false);
      tnode.add(child);
    }
  }
Ejemplo n.º 7
0
  /**
   * Adds nodes to the specified parent node recurrsively.
   *
   * @param parent_node the parent node.
   * @param list the list of child node names.
   */
  protected void addNode(DefaultMutableTreeNode parent_node, Vector list) {
    SortableArray array = null;

    if (mode == DATE_ORIENTED && parent_node.getLevel() <= 2) {
      array = new Array(list.size());

      for (int i = 0; i < list.size(); i++)
        ((Array) array).set(i, Integer.parseInt((String) list.elementAt(i)));
    } else {
      array = new StringArray(list.size());

      for (int i = 0; i < list.size(); i++)
        ((StringArray) array).set(i, (String) list.elementAt(i));
    }

    ArrayIndex index = array.sortAscendant();

    for (int i = 0; i < array.getArraySize(); i++) {
      String name = (String) list.elementAt(index.get(i));

      // Converts 1...12 to January...December.
      if (mode == DATE_ORIENTED && parent_node.getLevel() == 1) {
        int month = Integer.parseInt(name);
        name = JulianDay.getFullSpellMonthString(month);
      }

      DefaultMutableTreeNode node = new DefaultMutableTreeNode(name);
      parent_node.add(node);
    }
  }
Ejemplo n.º 8
0
  // reorder the nodes
  private void reorder(Vector nodes) {

    debug("reorder nodes");

    // remove all the children of topNode (they'll be added back later)
    topNode.removeAllChildren();

    // Create an array of the elements for sorting & copy the elements
    // into the array.
    DefaultMutableTreeNode[] array = new DefaultMutableTreeNode[nodes.size()];
    nodes.copyInto(array);

    // Sort the array (Quick Sort)
    quickSort(array, 0, array.length - 1);

    // Reload the topNode. Everthing is in order now.
    for (int i = 0; i < array.length; i++) {
      topNode.add((DefaultMutableTreeNode) array[i]);
    }

    // Tell the tree to repaint itself
    ((DefaultTreeModel) tree.getModel()).reload();
    tree.invalidate();
    tree.repaint();
  }
Ejemplo n.º 9
0
  /** A value has changed. This is used as a TreeSelectionListener. */
  public void valueChanged(TreeSelectionEvent e) {

    JHelpNavigator navigator = getHelpNavigator();
    HelpModel helpmodel = navigator.getModel();

    debug("ValueChanged: " + e);
    debug("  model: " + helpmodel);

    // send selected items into navigator
    TreeItem[] items = null;
    TreePath[] paths = tree.getSelectionPaths();
    if (paths != null) {
      items = new TreeItem[paths.length];
      for (int i = 0; i < paths.length; i++) {
        if (paths[i] != null) {
          DefaultMutableTreeNode node = (DefaultMutableTreeNode) paths[i].getLastPathComponent();
          items[i] = (TreeItem) node.getUserObject();
        }
      }
    }
    navigator.setSelectedItems(items);

    // change current id only if one items is selected
    if (items != null && items.length == 1) {
      SearchTOCItem item = (SearchTOCItem) items[0];
      if (item != null) {
        if (item.getID() != null) {
          try {
            // navigator.setCurrentID(item.getID());
            helpmodel.setCurrentID(item.getID(), item.getName(), navigator);
          } catch (InvalidHelpSetContextException ex) {
            System.err.println("BadID: " + item.getID());
            return;
          }
        } else if (item.getURL() != null) {
          // navigator.setCurrentURL(item.getURL());
          helpmodel.setCurrentURL(item.getURL(), item.getName(), navigator);
        } else {
          // no ID, no URL
          return;
        }
        if (helpmodel instanceof TextHelpModel) {
          DefaultHighlight h[] = new DefaultHighlight[item.hitCount()];
          int i = 0;
          Enumeration enum1 = item.getSearchHits();
          while (enum1.hasMoreElements()) {
            SearchHit info = (SearchHit) enum1.nextElement();
            h[i] = new DefaultHighlight(info.getBegin(), info.getEnd());
            i++;
          }
          // using setHighlights() instead of removeAll + add
          // avoids one highlighting event
          ((TextHelpModel) helpmodel).setHighlights(h);
        }
      }
    }
  }
Ejemplo n.º 10
0
 private MutableTreeNode populatePlot(Plot p) throws SQLException {
   DefaultMutableTreeNode tree = new DefaultMutableTreeNode(p);
   // tree.add(populateAttributes(p));
   Statement stmt = db.statement();
   for (Tree t : p.loadTrees(stmt)) {
     tree.add(populateTree(t));
   }
   stmt.close();
   return tree;
 }
Ejemplo n.º 11
0
 private MutableTreeNode populateCavity(Cavity c) throws SQLException {
   DefaultMutableTreeNode tree = new DefaultMutableTreeNode(c);
   // tree.add(populateAttributes(c));
   Statement stmt = db.statement();
   for (Nest n : c.loadNests(stmt)) {
     tree.add(populateNest(n));
   }
   stmt.close();
   return tree;
 }
Ejemplo n.º 12
0
 private MutableTreeNode populateTree(Tree t) throws SQLException {
   DefaultMutableTreeNode tree = new DefaultMutableTreeNode(t);
   // tree.add(populateAttributes(t));
   Statement stmt = db.statement();
   for (Cavity c : t.loadCavities(stmt)) {
     tree.add(populateCavity(c));
   }
   stmt.close();
   return tree;
 }
Ejemplo n.º 13
0
 private MutableTreeNode populateNest(Nest n) throws SQLException {
   DefaultMutableTreeNode tree = new DefaultMutableTreeNode(n);
   // tree.add(populateAttributes(n));
   Statement stmt = db.statement();
   for (Visit v : n.loadVisits(stmt)) {
     tree.add(populateVisit(v));
   }
   stmt.close();
   return tree;
 }
Ejemplo n.º 14
0
 public void editSelected() {
   TreePath selected = tree.getSelectionPath();
   if (selected != null) {
     DefaultMutableTreeNode node = (DefaultMutableTreeNode) selected.getLastPathComponent();
     Object obj = node.getUserObject();
     if (obj instanceof CavityDBObject) {
       CavityDBObject dbObj = (CavityDBObject) obj;
       new ObjectEditingFrame(new ObjectEditingPanel(dbObj));
     }
   }
 }
Ejemplo n.º 15
0
  /**
   * Update the layouts tree.
   *
   * @param current The name of the current layout or <CODE>null</CODE> if none.
   */
  public void updateLayouts(Path current) throws PipelineException {
    DefaultMutableTreeNode root = null;
    {
      root = new DefaultMutableTreeNode(new TreeData(), true);

      {
        Path path = new Path(PackageInfo.getSettingsPath(), "layouts");
        rebuildTreeModel(path, new Path("/"), root);
      }

      DefaultTreeModel model = (DefaultTreeModel) pTree.getModel();
      model.setRoot(root);

      {
        Enumeration e = root.depthFirstEnumeration();
        if (e != null) {
          while (e.hasMoreElements()) {
            DefaultMutableTreeNode tnode = (DefaultMutableTreeNode) e.nextElement();
            pTree.expandPath(new TreePath(tnode.getPath()));
          }
        }
      }
    }

    pTree.clearSelection();
    if (current != null) {
      TreePath tpath = null;
      DefaultMutableTreeNode tnode = root;
      for (String comp : current.getComponents()) {
        DefaultMutableTreeNode next = null;
        Enumeration e = tnode.children();
        if (e != null) {
          while (e.hasMoreElements()) {
            DefaultMutableTreeNode child = (DefaultMutableTreeNode) e.nextElement();
            TreeData data = (TreeData) child.getUserObject();
            if (data.toString().equals(comp)) {
              tpath = new TreePath(child.getPath());
              next = child;
              break;
            }
          }
        }

        if (next == null) break;

        tnode = next;
      }

      if (tpath != null) {
        pTree.setSelectionPath(tpath);
        pTree.makeVisible(tpath);
      }
    }
  }
  /** Remove the currently selected node. */
  public void removeCurrentNode() {
    TreePath currentSelection = tree.getSelectionPath();
    if (currentSelection != null) {
      DefaultMutableTreeNode currentNode =
          (DefaultMutableTreeNode) (currentSelection.getLastPathComponent());
      MutableTreeNode parent = (MutableTreeNode) (currentNode.getParent());
      if (parent != null) {
        treeModel.removeNodeFromParent(currentNode);
        return;
      }
    }

    // Either there was no selection, or the root was selected.
    toolkit.beep();
  }
Ejemplo n.º 17
0
  void addChildren(DefaultMutableTreeNode parent, File parentDirFile) {

    for (File file : parentDirFile.listFiles()) {
      String[] namesplitStrings = file.toString().split("\\\\");
      String filename = namesplitStrings[namesplitStrings.length - 1];

      if (file.isDirectory()) {
        DefaultMutableTreeNode child = new DefaultMutableTreeNode(filename);
        addChildren(child, file);
        parent.add(child);
      } else if (file.isFile()) {
        parent.add(new DefaultMutableTreeNode(filename));
      }
    }
  }
Ejemplo n.º 18
0
  /**
   * Reloads data from new model, creates new search engine to search in new model if model contains
   * view with the same name
   */
  private void reloadData(HelpModel model) {
    debug("reloadData using new model");
    helpsearch = null;
    SearchView view = null;

    newHelpSet = model.getHelpSet();
    SearchView oldView = (SearchView) searchnav.getNavigatorView();
    String oldName = oldView.getName();
    NavigatorView[] navViews = newHelpSet.getNavigatorViews();
    for (int i = 0; i < navViews.length; i++) {
      if ((navViews[i].getName()).equals(oldName)) {
        NavigatorView tempView = navViews[i];
        if (tempView instanceof SearchView) {
          view = (SearchView) tempView;
          break;
        }
      }
    }

    if (view == null) return;

    topNode.removeAllChildren();
    searchnav.setSearchEngine(new MergingSearchEngine(view));

    setCellRenderer(view, tree);
    // add all subhelpsets
    addSubHelpSets(newHelpSet);
  }
Ejemplo n.º 19
0
  private TreeModel buildModel(Object[] resolvers) {
    TreeModel fullModel = null;
    DefaultMutableTreeNode top = new DefaultMutableTreeNode(Tr.t("root"));

    try {
      cpos = null;
      for (Object resolver : resolvers) {
        if (resolver instanceof ColorPository) {
          cpos = (ColorPository) resolver;
          GraphCellRenderer graphCellRenderer = new GraphCellRenderer(cpos);
          colors.setCellRenderer(graphCellRenderer);
          break;
        }
      }
      Collection<ColorPository.ClassRecord> classes = cpos.getClasses();
      String[] classNames = new String[classes.size()];
      Iterator<ColorPository.ClassRecord> it = classes.iterator();
      int count = 0;
      while (it.hasNext()) {
        classNames[count] = it.next().name;
        count++;
      }
      Arrays.sort(classNames);

      for (String className : classNames) {
        ColorPository.ColorRecord[] colors = cpos.enumerateColors(className);
        String[] colorNames = new String[colors.length];
        for (int a = 0; a < colorNames.length; a++) {
          colorNames[a] = colors[a].name;
        }
        Arrays.sort(colorNames);

        DefaultMutableTreeNode tn = new DefaultMutableTreeNode(className);
        top.add(tn);
        for (String colorName : colorNames) {
          tn.add(new DefaultMutableTreeNode(colorName));
        }
      }

      fullModel = new DefaultTreeModel(top);
    } catch (Exception e) {
      fullModel = new DefaultTreeModel(new DefaultMutableTreeNode(Tr.t("root.failed")));
      // e.printStackTrace();
    }
    return fullModel;
  }
    public void treeNodesChanged(TreeModelEvent e) {
      DefaultMutableTreeNode node;
      node = (DefaultMutableTreeNode) (e.getTreePath().getLastPathComponent());

      /*
       * If the event lists children, then the changed
       * node is the child of the node we've already
       * gotten.  Otherwise, the changed node and the
       * specified node are the same.
       */

      int index = e.getChildIndices()[0];
      node = (DefaultMutableTreeNode) (node.getChildAt(index));

      System.out.println("The user has finished editing the node.");
      System.out.println("New value: " + node.getUserObject());
    }
Ejemplo n.º 21
0
    /** {@inheritDoc} */
    @Override
    public void setParent(final MutableTreeNode aNewParent) {
      if (this.parent == aNewParent) {
        // Nothing to do...
        return;
      }

      super.setParent(aNewParent);
    }
Ejemplo n.º 22
0
 /** {@inheritDoc} */
 @Override
 public void setUserObject(Object aUserObject) {
   if ((aUserObject != ROOT_ID) && (aUserObject instanceof String)) {
     setText((String) aUserObject);
   } else if (aUserObject instanceof Boolean) {
     setVisible(((Boolean) aUserObject).booleanValue());
   } else if (aUserObject instanceof IUIElement) {
     super.setUserObject(aUserObject);
   }
 }
Ejemplo n.º 23
0
  private MutableTreeNode populateAttributes(CavityDBObject obj) {
    DefaultMutableTreeNode tree = new DefaultMutableTreeNode("attrs");
    Class cls = obj.getClass();
    for (Field f : cls.getFields()) {
      int mod = f.getModifiers();
      if (Modifier.isPublic(mod) && !Modifier.isStatic(mod)) {
        String fieldName = f.getName();
        try {
          Object value = f.get(obj);
          tree.add(
              new DefaultMutableTreeNode(String.format("%s=%s", fieldName, String.valueOf(value))));

        } catch (IllegalAccessException e) {
          // do nothing.
        }
      }
    }
    return tree;
  }
Ejemplo n.º 24
0
 /**
  * Called whenever the value of the selection changes.
  *
  * @param e the event that characterizes the change.
  */
 public void valueChanged(TreeSelectionEvent e) {
   TreePath path = e.getPath();
   if (path != null) {
     DefaultMutableTreeNode node = (DefaultMutableTreeNode) path.getLastPathComponent();
     if (node.isLeaf()) {
       if (getInformation(path) != null) {
         // When selecting an image information.
         XmlInformation info = getInformation(path);
         for (int i = 0; i < listener_list.size(); i++) {
           InformationTreeSelectionListener listener =
               (InformationTreeSelectionListener) listener_list.elementAt(i);
           listener.select(info);
         }
       } else {
         // When expanding a folder.
         expandNode(node);
       }
     }
   }
 }
  // Public Methods
  public void appendNextTreeGeneration(Vector generation) {
    DefaultMutableTreeNode nextGeneration = generationNodeBuilder(generation);

    generations.add(nextGeneration);

    // If Generations contains leaf nodes (generated objects)
    // Enabled Save All Menu Item
    if (generations.getLeafCount() > 0) miSaveAll.setEnabled(true);
    else miSaveAll.setEnabled(false);

    // Update JTree View

    // affected nodes needing updating
    int[] nodeRangeToUpdate = {generations.getIndex(nextGeneration)};
    ((DefaultTreeModel) tree.getModel()).nodesWereInserted(generations, nodeRangeToUpdate);

    // Expand Parent after first child node is displayed
    if (generationNumber == 1) tree.expandRow(0);

    ++generationNumber;
  }
Ejemplo n.º 26
0
  /**
   * Processes an idChanged event. Search is different from all other navigators in that you while
   * search tree is synchronized the highlighting doesn't occur unless selected from the search
   * navigator.
   */
  public void idChanged(HelpModelEvent e) {
    ID id = e.getID();
    URL url = e.getURL();
    HelpModel helpModel = searchnav.getModel();
    debug("idChanged(" + e + ")");

    if (e.getSource() != helpModel) {
      debug("Internal inconsistency!");
      debug("  " + e.getSource() + " != " + helpModel);
      throw new Error("Internal error");
    }

    TreePath s = tree.getSelectionPath();
    if (s != null) {
      Object o = s.getLastPathComponent();
      // should require only a TreeNode
      if (o instanceof DefaultMutableTreeNode) {
        DefaultMutableTreeNode tn = (DefaultMutableTreeNode) o;
        SearchTOCItem item = (SearchTOCItem) tn.getUserObject();
        if (item != null) {
          ID nId = item.getID();
          if (nId != null && nId.equals(id)) {
            return;
          }
        }
      }
    }

    DefaultMutableTreeNode node = findIDorURL(topNode, id, url);
    if (node == null) {
      // node doesn't exist. Need to clear the selection.
      debug("node didn't exist");
      tree.clearSelection();
      return;
    }
    TreePath path = new TreePath(node.getPath());
    tree.expandPath(path);
    tree.setSelectionPath(path);
    tree.scrollPathToVisible(path);
  }
  private void doSaveAll() {
    ObjectOutputStream objectStream = getObjectOutputStream();

    if (objectStream != null) {
      try {
        System.out.println("Saving All " + generations.getLeafCount() + " Generations...");

        for (Enumeration e = generations.depthFirstEnumeration(); e.hasMoreElements(); ) {
          DefaultMutableTreeNode tmpNode = (DefaultMutableTreeNode) e.nextElement();

          if (tmpNode.isLeaf()) objectStream.writeObject(tmpNode.getUserObject());
        }

        objectStream.close();
        System.out.println("Save completed successfully.");
      } catch (IOException e) {
        System.err.println(e);
      }
    } else {
      System.out.println("Save All Files has been aborted!");
    }
  }
Ejemplo n.º 28
0
    /** {@inheritDoc} */
    @Override
    public void insert(final MutableTreeNode aNewChild, final int aChildIndex) {
      super.insert(aNewChild, aChildIndex);

      Object newChildUserObject = ((ElementTreeNode) aNewChild).getUserObject();

      if ((this.userObject instanceof ElementGroup)
          && (newChildUserObject instanceof SignalElement)) {
        // Move the actual element as well...
        ((ElementGroup) this.userObject)
            .moveChannel((SignalElement) newChildUserObject, aChildIndex);
      }
    }
Ejemplo n.º 29
0
 private DefaultMutableTreeNode findIDorURL(DefaultMutableTreeNode node, ID id, URL url) {
   SearchTOCItem item = (SearchTOCItem) node.getUserObject();
   if (item != null) {
     ID testID = item.getID();
     if (testID != null && id != null && testID.equals(id)) {
       return node;
     } else {
       URL testURL = item.getURL();
       if (testURL != null && url != null && url.sameFile(testURL)) {
         return node;
       }
     }
   }
   int size = node.getChildCount();
   for (int i = 0; i < size; i++) {
     DefaultMutableTreeNode tmp = (DefaultMutableTreeNode) node.getChildAt(i);
     DefaultMutableTreeNode test = findIDorURL(tmp, id, url);
     if (test != null) {
       return test;
     }
   }
   return null;
 }
Ejemplo n.º 30
0
  /**
   * Expands the sub folders and image informations under the specified node.
   *
   * @param node the node.
   */
  protected void expandNode(DefaultMutableTreeNode node) {
    try {
      Object[] paths = node.getPath();

      String path_str = "";
      Vector folder_list = new Vector();
      for (int i = 1; i < paths.length; i++) {
        String name = (String) ((DefaultMutableTreeNode) paths[i]).getUserObject();
        path_str += "/" + name;

        // Converts January...December to 1...12.
        if (mode == DATE_ORIENTED && i == 2) {
          for (int m = 1; m <= 12; m++) {
            if (JulianDay.getFullSpellMonthString(m).equals(name)) name = String.valueOf(m);
          }
        }

        folder_list.addElement(name);
      }

      // When to expand sub folders.
      Vector folders = new Vector();
      if (mode == DATE_ORIENTED) folders = db_manager.getDateOrientedFolders(folder_list);
      if (mode == PATH_ORIENTED) folders = db_manager.getPathOrientedFolders(folder_list);
      addNode(node, folders);

      // When to expand image informations.
      XmlDBAccessor accessor = null;
      if (mode == DATE_ORIENTED) accessor = db_manager.getDateOrientedAccessor(folder_list);
      if (mode == PATH_ORIENTED) accessor = db_manager.getPathOrientedAccessor(folder_list);
      if (accessor != null) {
        Vector name_list = new Vector();
        XmlInformation info = (XmlInformation) accessor.getFirstElement();
        while (info != null) {
          name_list.addElement(info.getPath());
          hash_info.put(path_str + "/" + info.getPath(), info);
          info = (XmlInformation) accessor.getNextElement();
        }
        addNode(node, name_list);
      }

      revalidate();
      repaint();
    } catch (IOException exception) {
      String message = "Failed to read the database.";
      JOptionPane.showMessageDialog(pane, message, "Error", JOptionPane.ERROR_MESSAGE);
    }
  }