Exemplo n.º 1
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);
      }
    }
  }
    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();
      }
    }