コード例 #1
0
 /** Gets the value for the given node at the given column. */
 public Object getValueAt(Object node, int col) {
   DefaultMutableTreeNode tree_node = (DefaultMutableTreeNode) node;
   Object value = tree_node.getUserObject();
   switch (col) {
       // Name
     case 0:
       return value;
       // Value
     case 1:
       if (value instanceof ConfigElement) {
         return null;
       } else if (value instanceof PropertyDefinition) {
         // Only provide comma delimited editing for simple types
         if (((PropertyDefinition) value).getType() != ConfigElement.class) {
           StringBuffer buffer = new StringBuffer();
           for (Enumeration e = tree_node.children(); e.hasMoreElements(); ) {
             DefaultMutableTreeNode child_node = (DefaultMutableTreeNode) e.nextElement();
             buffer.append(child_node.getUserObject());
             if (e.hasMoreElements()) {
               buffer.append(", ");
             }
           }
           return buffer.toString();
         }
         return null;
       }
       return value;
   }
   return null;
 }
コード例 #2
0
    /**
     * This gets called whenever one of the ConfigElements we are editing adds a new property value.
     */
    public void propertyValueAdded(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)) {
          // The newly inserted property value must be added as a child to
          // this node
          if (prop_def.getType() != ConfigElement.class) {
            DefaultMutableTreeNode new_child = new DefaultMutableTreeNode(evt.getValue());
            insertNodeInto(new_child, node, idx);
          } 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.
            addEmbeddedElement(node, (ConfigElement) evt.getValue(), idx);
          }
        }
      }
    }
コード例 #3
0
 /** This gets called whenever one of the ConfigElements we are modeling has changed its name. */
 public void nameChanged(ConfigElementEvent evt) {
   ConfigElement src = (ConfigElement) evt.getSource();
   DefaultMutableTreeNode root = (DefaultMutableTreeNode) getRoot();
   DefaultMutableTreeNode name_node = (DefaultMutableTreeNode) root.getChildAt(0);
   name_node.setUserObject(src.getName());
   fireTreeNodesChanged(
       this, new Object[] {getPathToRoot(root)}, new int[] {0}, new Object[] {name_node});
 }
コード例 #4
0
    /**
     * This gets called whenever one of the ConfigElements we are editing removes a property value.
     */
    public void propertyValueRemoved(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)) {
          // The newly removed property value must be a child to this node
          System.out.println("Removing child " + idx + " from node: " + node.getUserObject());
          DefaultMutableTreeNode child = (DefaultMutableTreeNode) node.getChildAt(idx);

          // If the child is an embedded element, stop listening to it
          if (child.getUserObject() instanceof ConfigElement) {
            ConfigElement removed_elt = (ConfigElement) child.getUserObject();
            removed_elt.removeConfigElementListener(this);
          }

          // Physically remove the child from the tree
          removeNodeFromParent(child);
        }
      }
    }
コード例 #5
0
  /** Clears the data in the model. */
  private void clear() {
    // Stop listening to all config elements in the tree
    List nodes = getNodesOfClass(ConfigElement.class);
    for (Iterator itr = nodes.iterator(); itr.hasNext(); ) {
      DefaultMutableTreeNode node = (DefaultMutableTreeNode) itr.next();
      ConfigElement elt = (ConfigElement) node.getUserObject();
      elt.removeConfigElementListener(mElementListener);
    }

    // Clear out all the old nodes from the tree.
    ((DefaultMutableTreeNode) getRoot()).removeAllChildren();
  }
コード例 #6
0
  /** Indicates whether the value for the given node at the given column is editable. */
  public boolean isCellEditable(Object node, int col) {
    // The tree column has to be editable so it can get the events
    if (col == 0) {
      return true;
    }

    DefaultMutableTreeNode tree_node = (DefaultMutableTreeNode) node;
    Object value = tree_node.getUserObject();
    // config elements nodes are not editable
    if (value instanceof ConfigElement) {
      return false;
    } else {
      return true;
    }
  }
コード例 #7
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;
  }
コード例 #8
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);
            }
          }
        }
      }
    }
コード例 #9
0
  /** Gets the node for the given object */
  private DefaultMutableTreeNode getNodeFor(Object obj, DefaultMutableTreeNode node) {
    //      System.out.println("getNodeFor() node: " + node.getUserObject());
    // Check if we found a match
    if (obj.equals(node.getUserObject())) {
      return node;
    }

    // Check all children of the current node
    for (Enumeration e = node.children(); e.hasMoreElements(); ) {
      DefaultMutableTreeNode child = (DefaultMutableTreeNode) e.nextElement();
      DefaultMutableTreeNode result = getNodeFor(obj, child);
      if (result != null) {
        return result;
      }
    }

    // Didn't find anything :(
    return null;
  }
コード例 #10
0
  /**
   * Adds the nodes necessary to display the property values for the given configuration element
   * described by the given property definition.
   */
  private void addProperty(ConfigElement elt, PropertyDefinition propDef) {
    DefaultMutableTreeNode parent = getNodeFor(elt);

    // This property has only one value, add it in
    if ((propDef.getPropertyValueDefinitionCount() == 1)
        && (!propDef.isVariable())
        && (propDef.getType() != ConfigElement.class)) {
      int idx = parent.getChildCount();
      //         System.out.println("Adding property node for single-valued property: "+
      //                            propDesc.getToken()+"["+idx+"]");
      Object value = elt.getProperty(propDef.getToken(), 0);
      DefaultMutableTreeNode value_node = new DefaultMutableTreeNode(value);
      insertNodeInto(value_node, parent, idx);
    }
    // This property has (or can have) more than one value, add a node that is
    // the parent for all its values.
    else {
      int idx = parent.getChildCount();
      //         System.out.println("Adding property node for multi-valued property: "+
      //                            propDesc.getToken()+"["+idx+"]");
      DefaultMutableTreeNode prop_def_node = new DefaultMutableTreeNode(propDef);
      insertNodeInto(prop_def_node, parent, idx);
      parent = prop_def_node;

      int num_props = elt.getPropertyValueCount(propDef.getToken());
      for (int i = 0; i < num_props; ++i) {
        Object value = elt.getProperty(propDef.getToken(), i);
        if (propDef.getType() != ConfigElement.class) {
          //               System.out.println("Adding property value:
          // "+propDesc.getToken()+"["+i+"]");
          DefaultMutableTreeNode child = new DefaultMutableTreeNode(value);
          int prop_idx = parent.getChildCount();
          insertNodeInto(child, parent, prop_idx);
        } else {
          addEmbeddedElement(parent, (ConfigElement) value, i);
        }
      }
    }
  }
コード例 #11
0
    /**
     * This gets called whenever one of the ConfigElements we are editing has one of its property
     * values change.
     */
    public void propertyValueChanged(ConfigElementEvent evt) {
      ConfigElement src = (ConfigElement) evt.getSource();
      int idx = evt.getIndex();
      PropertyDefinition prop_def = src.getDefinition().getPropertyDefinition(evt.getProperty());
      DefaultMutableTreeNode elt_node = getNodeFor(src);

      // Multi-valued properties and embedded elements are treated specially
      if ((prop_def.getPropertyValueDefinitionCount() > 1)
          || (prop_def.isVariable())
          || (prop_def.getType() == ConfigElement.class)) {
        // Look for the property definition node
        for (Enumeration e = elt_node.children(); e.hasMoreElements(); ) {
          DefaultMutableTreeNode node = (DefaultMutableTreeNode) e.nextElement();
          if (node.getUserObject().equals(prop_def)) {
            DefaultMutableTreeNode child = (DefaultMutableTreeNode) node.getChildAt(idx);
            fireTreeNodesChanged(
                this,
                new Object[] {getPathToRoot(node)},
                new int[] {node.getIndex(child)},
                new Object[] {child});
          }
        }
      }
      // Property value is not an embedded element
      else {
        // Take into account the extra two rows at the top of the table
        if (elt_node == getRoot()) {
          idx += 2;
        }

        fireTreeNodesChanged(
            this,
            new Object[] {getPathToRoot(elt_node)},
            new int[] {idx},
            new Object[] {elt_node.getChildAt(idx)});
      }
    }
コード例 #12
0
  /** Sets the value for the given node at the given column to the given value. */
  public void setValueAt(Object value, Object node, int col) {
    DefaultMutableTreeNode tree_node = (DefaultMutableTreeNode) node;
    Object node_value = tree_node.getUserObject();

    switch (col) {
        // Name (not supported)
      case 0:
        break;
        // Value
      case 1:
        DefaultMutableTreeNode parent_node = (DefaultMutableTreeNode) tree_node.getParent();

        // First child of root is always the element name
        if (parent_node == getRoot() && parent_node.getIndex((TreeNode) node) == 0) {
          ConfigElement elt = (ConfigElement) parent_node.getUserObject();
          elt.setName((String) value);
          tree_node.setUserObject(value);
        } else if (node_value instanceof PropertyDefinition) {
          // Hey, we're editing a property definition. If it's type is not a
          // configuration element, we're probably editing a summary list of
          // the valuesof the children.
          if (((PropertyDefinition) node_value).getType() != ConfigElement.class) {
            ConfigElement elt = (ConfigElement) parent_node.getUserObject();
            PropertyDefinition prop_def = (PropertyDefinition) node_value;
            StringTokenizer tokenizer = new StringTokenizer((String) value, ", ");
            int idx = 0;
            while (tokenizer.hasMoreTokens()) {
              String token = tokenizer.nextToken();

              // Make sure we don't overrun the property values
              if ((idx >= prop_def.getPropertyValueDefinitionCount()) && (!prop_def.isVariable())) {
                break;
              }

              // Convert the value to the appropriate type
              Object new_value = null;
              Class type = prop_def.getType();
              if (type == Boolean.class) {
                new_value = new Boolean(token);
              } else if (type == Integer.class) {
                new_value = new Integer(token);
              } else if (type == Float.class) {
                new_value = new Float(token);
              } else if (type == String.class) {
                new_value = new String(token);
              } else if (type == ConfigElementPointer.class) {
                new_value = new ConfigElementPointer(token);
              }

              setProperty(new_value, elt, prop_def.getToken(), idx);

              // Get the node for the current property value and update it
              if (idx < tree_node.getChildCount()) {
                DefaultMutableTreeNode child_node =
                    (DefaultMutableTreeNode) tree_node.getChildAt(idx);
                child_node.setUserObject(new_value);
              } else {
                // Insert the new property
                DefaultMutableTreeNode new_node = new DefaultMutableTreeNode(new_value);
                tree_node.add(new_node);
                fireTreeNodesInserted(
                    this,
                    new Object[] {getPathToRoot(tree_node)},
                    new int[] {tree_node.getIndex(new_node)},
                    new Object[] {new_node});
              }
              ++idx;
            }
          }
        } else {
          // Parent is a ConfigElement ... must be a single-valued property
          if (parent_node.getUserObject() instanceof ConfigElement) {
            ConfigElement elt = (ConfigElement) parent_node.getUserObject();
            int desc_idx = parent_node.getIndex(tree_node);

            // If the parent is the root, take into account the extra name
            // and type nodes
            if (parent_node == getRoot()) {
              desc_idx -= 2;
            }
            PropertyDefinition prop_def =
                (PropertyDefinition) elt.getDefinition().getPropertyDefinitions().get(desc_idx);
            setProperty(value, elt, prop_def.getToken(), 0);
            tree_node.setUserObject(value);
          } else {
            // Parent must be a PropertyDefinition
            PropertyDefinition prop_def = (PropertyDefinition) parent_node.getUserObject();
            int value_idx = parent_node.getIndex(tree_node);
            DefaultMutableTreeNode elt_node = (DefaultMutableTreeNode) parent_node.getParent();
            ConfigElement elt = (ConfigElement) elt_node.getUserObject();
            setProperty(value, elt, prop_def.getToken(), value_idx);
            tree_node.setUserObject(value);
          }
        }
        fireTreeNodesChanged(
            this,
            new Object[] {getPathToRoot(parent_node)},
            new int[] {parent_node.getIndex(tree_node)},
            new Object[] {tree_node});
        break;
      default:
        throw new IllegalArgumentException("Invalid column: " + col);
    }
  }