Esempio n. 1
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  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;
  }
 private void checkNodeValidity(@NotNull DefaultMutableTreeNode node) {
   Enumeration enumeration = node.children();
   while (enumeration.hasMoreElements()) {
     checkNodeValidity((DefaultMutableTreeNode) enumeration.nextElement());
   }
   if (node instanceof Node && node != getModelRoot()) ((Node) node).update(this);
 }
Esempio n. 3
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 // {{{ traverseNodes() method
 public static boolean traverseNodes(
     DefaultMutableTreeNode node, HyperSearchTreeNodeCallback callbackInterface) {
   if (!callbackInterface.processNode(node)) return false;
   for (Enumeration e = node.children(); e.hasMoreElements(); ) {
     DefaultMutableTreeNode childNode = (DefaultMutableTreeNode) e.nextElement();
     if (!traverseNodes(childNode, callbackInterface)) return false;
   }
   return true;
 } // }}}
Esempio n. 4
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 @Override
 public void actionPerformed(ActionEvent evt) {
   TreePath path = resultTree.getSelectionPath();
   DefaultMutableTreeNode operNode = (DefaultMutableTreeNode) path.getLastPathComponent();
   for (Enumeration e = operNode.children(); e.hasMoreElements(); ) {
     DefaultMutableTreeNode node = (DefaultMutableTreeNode) e.nextElement();
     resultTree.collapsePath(new TreePath(node.getPath()));
   }
   resultTree.scrollPathToVisible(new TreePath(operNode.getPath()));
 }
  /**
   * 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);
      }
    }
  }
  private static void collectUsages(
      @NotNull DefaultMutableTreeNode node, @NotNull Set<Usage> usages) {
    if (node instanceof UsageNode) {
      UsageNode usageNode = (UsageNode) node;
      final Usage usage = usageNode.getUsage();
      usages.add(usage);
    }

    Enumeration enumeration = node.children();
    while (enumeration.hasMoreElements()) {
      DefaultMutableTreeNode child = (DefaultMutableTreeNode) enumeration.nextElement();
      collectUsages(child, usages);
    }
  }
Esempio n. 7
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  public JTrees() {
    JFrame frame = new JFrame("JTree Demo");
    Container c = frame.getContentPane();
    c.setLayout(new BorderLayout());

    // Create top node of a tree
    final DefaultMutableTreeNode top = new DefaultMutableTreeNode("Course");

    // Create a subtree UG
    final DefaultMutableTreeNode UG = new DefaultMutableTreeNode("UG");
    top.add(UG);
    final DefaultMutableTreeNode a1 = new DefaultMutableTreeNode("B.E");
    UG.add(a1);
    final DefaultMutableTreeNode a2 = new DefaultMutableTreeNode("B.C.A");
    UG.add(a2);
    final DefaultMutableTreeNode a3 = new DefaultMutableTreeNode("B.Sc");
    UG.add(a3);
    final DefaultMutableTreeNode a4 = new DefaultMutableTreeNode("B.Com");
    UG.add(a4);
    final DefaultMutableTreeNode a5 = new DefaultMutableTreeNode("B.A");
    UG.add(a5);

    // Create a subtree PG
    final DefaultMutableTreeNode PG = new DefaultMutableTreeNode("PG");
    top.add(PG);
    final DefaultMutableTreeNode b1 = new DefaultMutableTreeNode("M.E");
    PG.add(b1);
    final DefaultMutableTreeNode b2 = new DefaultMutableTreeNode("M.C.A");
    PG.add(b2);
    final DefaultMutableTreeNode b3 = new DefaultMutableTreeNode("M.Sc");
    PG.add(b3);
    final DefaultMutableTreeNode b4 = new DefaultMutableTreeNode("M.Com");
    PG.add(b4);
    final DefaultMutableTreeNode b5 = new DefaultMutableTreeNode("M.A");
    PG.add(b5);

    // Creating tree
    final JTree tree = new JTree(top);

    int v = ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED;
    int h = ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED;
    final JScrollPane jsp = new JScrollPane(tree, v, h);
    c.add(jsp, BorderLayout.CENTER);

    final JTextField text = new JTextField("", 20);
    c.add(text, BorderLayout.SOUTH);

    tree.addMouseListener(
        new MouseAdapter() {
          public void mouseClicked(MouseEvent me) {
            TreePath tp = tree.getPathForLocation(me.getX(), me.getY());
            if (tp != null) text.setText(tp.toString());
            else text.setText("");
          }
        });
    if (top.children() == b1) {
      System.out.println("M.E Cource Selected");
    }
    frame.setSize(300, 200);
    frame.setVisible(true);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  }
    public void valueChanged(TreeSelectionEvent event) {
      // DefaultMutableTreeNode node = new DefaultMutableTreeNode();
      DefaultMutableTreeNode node;
      TreePath paths[] = event.getPaths();

      // Statistical variables
      Object bestNode;
      Object worstNode;
      double avgFitness = 0;
      double bestFitness = -1;
      double worstFitness = -1;

      // Update Selection Panel to reflect current selections
      for (int i = 0; i < paths.length; i++) {
        // If a parent node is selected, select all children nodes
        DefaultMutableTreeNode tmpNode = (DefaultMutableTreeNode) paths[i].getLastPathComponent();

        // If Root is selected, clear all selections
        if (tmpNode.isRoot()) {
          tree.clearSelection();
          selectedChildrenPaths.removeAllElements();
          break;
        }

        if (tmpNode.getAllowsChildren()) {
          ArrayList tmpNodeChildren = new ArrayList();

          for (Enumeration e = tmpNode.children(); e.hasMoreElements(); ) {
            DefaultMutableTreeNode childNode = (DefaultMutableTreeNode) e.nextElement();
            TreePath treePath = new TreePath(childNode.getPath());

            if (event.isAddedPath(paths[i])) {
              if (!selectedChildrenPaths.contains(treePath))
                selectedChildrenPaths.addElement(treePath);
            } else selectedChildrenPaths.removeElement(treePath);
          }

          // TreePath [] treePaths = new TreePath[tmpNodeChildren.size()];

          // if ( event.isAddedPath(paths[i]) )
          //    tree.addSelectionPaths( (TreePath []) tmpNodeChildren.toArray(treePaths) );
          // else
          //    tree.removeSelectionPaths( (TreePath[]) tmpNodeChildren.toArray(treePaths) );

          // Collapse parent view -- commented for future use, DO NOT IMPLEMENT AS SHOWN
          // tree.collapsePath( paths[i] );
        } else // only a single node is being examined
        {
          if (event.isAddedPath(paths[i])) {
            if (!selectedChildrenPaths.contains(paths[i]))
              selectedChildrenPaths.addElement(paths[i]);
          } else selectedChildrenPaths.removeElement(paths[i]);
        }
      }

      // If selections exist, enabled "Save Selected" menu item
      if (selectedChildrenPaths.size() > 0) miSave.setEnabled(true);
      else miSave.setEnabled(false);

      // Calculate selection information statistics
      for (int j = 0; j < selectedChildrenPaths.size(); j++) {
        double fitness = 0;

        node =
            (DefaultMutableTreeNode)
                ((TreePath) selectedChildrenPaths.elementAt(j)).getLastPathComponent();

        fitness = gaMonitor.getFitness(node.getUserObject());

        avgFitness += fitness;

        if (fitness > bestFitness || bestFitness == -1) {
          bestFitness = fitness;
          bestNode = node;
        }

        if (fitness < worstFitness || worstFitness == -1) {
          worstFitness = fitness;
          worstNode = node;
        }
      }

      // Finialize Statistics
      if (bestFitness != -1) avgFitness = avgFitness / (double) selectedChildrenPaths.size();

      // Panel may not exist!  If null, ignore
      if (selectionStatsPanel != null) {
        if (bestFitness != -1)
          selectionStatsPanel.setSelectionStats(
              selectedChildrenPaths.size(), avgFitness, bestFitness, worstFitness);
        else selectionStatsPanel.setEmptySelection();
      }
    }