Example #1
0
  /**
   * Gets a list of the nodes in this model that contain an object of the given class starting with
   * the given node.
   *
   * @param cls the class to search for
   * @param node the node whose subtree will be searched
   * @return a list of matching DefaultMutableTreeNodes
   */
  public List getNodesOfClass(Class cls, DefaultMutableTreeNode node) {
    List matches = new ArrayList();

    // Check if the current node matches
    if (cls.isInstance(node.getUserObject())) {
      matches.add(node);
    }

    // Recurse to the children of the current node
    for (Enumeration e = node.children(); e.hasMoreElements(); ) {
      DefaultMutableTreeNode child = (DefaultMutableTreeNode) e.nextElement();
      matches.addAll(getNodesOfClass(cls, child));
    }

    return matches;
  }
Example #2
0
    /**
     * This gets called whenever one of the ConfigElements we are editing has the values of a
     * property get reordered.
     */
    public void propertyValueOrderChanged(ConfigElementEvent evt) {
      ConfigElement src = (ConfigElement) evt.getSource();
      int idx = evt.getIndex();
      PropertyDefinition prop_def = src.getDefinition().getPropertyDefinition(evt.getProperty());
      DefaultMutableTreeNode elt_node = getNodeFor(src);

      // Get the node containing the property description under the source
      // ConfigElement node.
      for (Enumeration e = elt_node.children(); e.hasMoreElements(); ) {
        DefaultMutableTreeNode node = (DefaultMutableTreeNode) e.nextElement();

        if (node.getUserObject().equals(prop_def)) {
          int start_index = Math.min(evt.getIndex0(), evt.getIndex1());
          int end_index = Math.max(evt.getIndex0(), evt.getIndex1());

          List removed_children = new ArrayList();
          for (int c = start_index; c <= end_index; ++c) {
            removed_children.add(getChild(node, c));
          }

          for (Iterator c = removed_children.iterator(); c.hasNext(); ) {
            removeNodeFromParent((MutableTreeNode) c.next());
          }

          String prop_token = prop_def.getToken();
          for (int v = start_index; v <= end_index; ++v) {
            if (prop_def.getType() != ConfigElement.class) {
              // Create a new node for the reordered property value.
              DefaultMutableTreeNode new_node =
                  new DefaultMutableTreeNode(src.getProperty(prop_token, v));

              // Add the new node into the tree.
              insertNodeInto(new_node, node, v);
            } else {
              // Embedded elements are handled specially in that all of
              // their respective child properties and such also need to
              // be added to the tree at this time.
              ConfigElement cur_value = (ConfigElement) src.getProperty(prop_token, v);
              addEmbeddedElement(node, cur_value, v);
            }
          }
        }
      }
    }