optiondesigner.java

WAP ide 代码

        }
      }
      catch (NullPointerException nullerr) {}
      catch (ArrayIndexOutOfBoundsException arrerr) {}
    }
    if (b.getActionCommand().equals("left")) {
      DefaultMutableTreeNode child = (DefaultMutableTreeNode) path.getPathComponent(cnt -1);
      DefaultMutableTreeNode parent = (DefaultMutableTreeNode) child.getParent();
      DefaultMutableTreeNode superparent = null;
      try {
        superparent = (DefaultMutableTreeNode) parent.getParent();

        int newNodeIndex = 0;
        if (superparent == null) {
          superparent = (DefaultMutableTreeNode) parent.getRoot();
          newNodeIndex = superparent.getIndex(child);
        }
        else {
          newNodeIndex = superparent.getIndex(parent);
        }
        tm.removeNodeFromParent(child);
        tm.insertNodeInto(child, superparent, newNodeIndex);
        OptionTree.setSelectionPath(new TreePath(child.getPath()));
        updateSample();
      }
      catch (NullPointerException nullerr) {}
    }
    if (b.getActionCommand().equals("right")) {
      try {
        DefaultMutableTreeNode child = (DefaultMutableTreeNode) path.getPathComponent(cnt -1);
        DefaultMutableTreeNode parent = child.getNextSibling();

        if (parent.getAllowsChildren()) {
          try {
            tm.removeNodeFromParent(child);
            tm.insertNodeInto(child, parent, 0);
            OptionTree.setSelectionPath(new TreePath(child.getPath()));
            updateSample();
          }
          catch (ArrayIndexOutOfBoundsException err) {}
        }
      }
      catch (NullPointerException nullerr) {}
      catch (ArrayIndexOutOfBoundsException bounderr) {}
    }

  }

  /**
   * When a node is selected, updates the path.
   */
  private void OptionTree_valueChanged(TreeSelectionEvent e) {
    path = e.getPath();
  }

  /**
   * Updates the tree and if right clicked displays a context
   * menu.
   */
  private void OptionTree_mouseClicked(MouseEvent e) {
    updateSample();
    if (e.getModifiers() == RIGHT_MOUSE_BUTTON) {
      TreePopupMenu.show((JTree) e.getSource(), e.getX(), e.getY());
    }
  }

  /**
   * Updates the sample display if a tree node value is changed.
   */
  private void tm_treeNodesChanged(TreeModelEvent e) {
    int cnt = path.getPathCount();

    DefaultMutableTreeNode child = (DefaultMutableTreeNode) path.getPathComponent(cnt -1);
    if (child.getAllowsChildren()) {
      optgroupNode n = (optgroupNode) child;
     n.setTitle((String) child.getUserObject());
    }
    else {
      optionNode n = (optionNode) child;
      n.setData((String) child.getUserObject());
    }
    updateSample();
  }

  /**
   * Displays the proper properties dialog box for the selected node.
   */
  private void NodePropertiesButton_actionPerformed(ActionEvent e) {
    try {
      int cnt = path.getPathCount();

      DefaultMutableTreeNode child = (DefaultMutableTreeNode) path.getPathComponent(cnt -1);

      GraphicalControlsProperties gcp = new GraphicalControlsProperties();
      if (child.getAllowsChildren()) {
        optgroupNode n = (optgroupNode) child;
        gcp.showOptionGroupPanel(n.getTitle(), n.getExtra());
        gcp.show();
        Vector dialogData = gcp.getData();
        n.setTitle((String) dialogData.get(0));
        n.setExtra((String) dialogData.get(1));
        updateSample();
      }
      else {
        optionNode n = (optionNode) child;
        gcp.showOptionPanel(n.getOnpick(), n.getTitle(), n.getValue(), n.getExtra());
        gcp.show();
        Vector dialogData = gcp.getData();
        n.setOnpick((String) dialogData.get(0));
        n.setTitle((String) dialogData.get(1));
        n.setValue((String) dialogData.get(2));
        n.setExtra((String) dialogData.get(3));
        updateSample();
      }
    }
    catch (NullPointerException nullerr) {}
  }

  /**
   * Performs the actual construction of the sample that is displayed in
   * preview pane.
   */
  private void updateSample() {
    try {
      int cnt = path.getPathCount();

      DefaultMutableTreeNode child = (DefaultMutableTreeNode) path.getPathComponent(cnt -1);
      DefaultMutableTreeNode parent = (DefaultMutableTreeNode) child.getParent();

      PreviewPane.requestFocus();
      PreviewPane.setEditable(true);
      PreviewPane.setText("");

      GridLayout grid = new GridLayout();
      grid.setRows(parent.getChildCount());
      grid.setColumns(1);
      JPanel p = new JPanel();
      p.setLayout(grid);
      p.setSize(p.getWidth(), 13 * parent.getChildCount());

      JLabel l = new JLabel();
      int nodeIndex = parent.getIndex(child);
      for (int i = 0; i < parent.getChildCount(); i++) {
        DefaultMutableTreeNode node = (DefaultMutableTreeNode) parent.getChildAt(i);
        if (node.getAllowsChildren()) {
          optgroupNode n = (optgroupNode) node;

          BorderLayout border = new BorderLayout();
          JPanel compoundPanel = new JPanel();
          compoundPanel.setLayout(border);

          // add the icon
          l = new JLabel("");
          l.setIcon(image9);
          l.setForeground(fg);
          l.setBackground(bkg);
          l.setOpaque(true);
          compoundPanel.add(l, BorderLayout.WEST);

          // add the text
          l = new JLabel(n.getTitle());
          l.setFont(f);
          if (i == nodeIndex) {
            l.setForeground(bkg);
            l.setBackground(fg);
          }
          else {
            l.setForeground(fg);
            l.setBackground(bkg);
          }

          l.setOpaque(true);
          //l.setSize(p.getWidth(), l.getHeight());
          compoundPanel.add(l, BorderLayout.CENTER);
          p.add(compoundPanel);
        }
        else {
          optionNode n = (optionNode) node;

          BorderLayout border = new BorderLayout();
          JPanel compoundPanel = new JPanel();
          compoundPanel.setLayout(border);

          String s  = n.getData();
          if (s.equals(""))
            s = n.getTitle();

          if (i == nodeIndex) {
            // add the icon
            l = new JLabel("");
            l.setIcon(image10);
            l.setForeground(fg);
            l.setBackground(bkg);
            l.setOpaque(true);
            compoundPanel.add(l, BorderLayout.WEST);
            // add the text
            l = new JLabel(s);
            l.setFont(f);
            l.setForeground(bkg);
            l.setBackground(fg);
            l.setOpaque(true);
            compoundPanel.add(l, BorderLayout.CENTER);
            p.add(compoundPanel);
          }
          else {
            // add the icon
            l = new JLabel("");
            l.setIcon(image8);
            l.setForeground(fg);
            l.setBackground(bkg);
            l.setOpaque(true);
            compoundPanel.add(l, BorderLayout.WEST);
            // add the text
            l = new JLabel(s);
            l.setFont(f);
            l.setForeground(fg);
            l.setBackground(bkg);
            l.setOpaque(true);
            compoundPanel.add(l, BorderLayout.CENTER);
            p.add(compoundPanel);
          }
        }
      }
      PreviewPane.insertComponent(p);
      PreviewPane.setEditable(false);
    }
    catch (NullPointerException nullerr) {}
  }


  /**
   * Inner Class - encapsulates all the data that an optgroup tag can
   * contain and provides methods for accessing that data.
   */
  private class optgroupNode extends DefaultMutableTreeNode {

    private String Title = "";
    private String Extra = "";

    /**
     * Constructs an optgroupNode.
     * @param String s - the title of the optgroup, used as title for the node.
     */
    public optgroupNode(String s) {
      super(s);
      setUserObject(s);
      setAllowsChildren(true);
      Title = s;
    }

    /**
    * Constructs an optgroupNode.
    * @param String s - the title of the optgroup, used as title for the node.
    * @param String extra - extra tag attributes such as id and class.
     */
    public optgroupNode(String s, String extra) {
      super(s);
      setUserObject(s);
      setAllowsChildren(true);
      Title = s;
      Extra = extra;
    }

    /**
     * Gets the title attribute of the node.
     * @return String title.
     */
    public String getTitle() {
      return Title;
    }

    /**
     * Sets this node's title attribute.
     * @param String title.
     */
    public void setTitle(String title) {
      Title = title;
      setUserObject(title);
    }

    /**
     * Gets the extra attribute of the node.
     * @return String title.
     */
    public String getExtra() {
      return Extra;
    }

    /**
     * Sets this node's extra attribute.
     * @param String title.
     */
    public void setExtra(String extra) {
      Extra = extra;
    }
  }

  private class optionNode extends DefaultMutableTreeNode {

    private String Onpick = "";
    private String Title = "";
    private String Value = "";
    private String Extra = "";
    /**
     * extra text that can be placed between the &lt;option&gt;&lt;/option&gt; tags.
     */
    private String Data =  "";


    /**
     * Constructs a new optionNode.
     * @param String data.
     * @param String title.
     * @param String value.
     * @param String onpick.
     */
    public optionNode(String data, String title, String value, String onpick) {

      setUserObject(data);
      setAllowsChildren(false);
      Data = data;
      Title = title;
      Value = value;
      Onpick = onpick;
    }

    /**
     * Constructs a new optionNode.
     * @param String data.
     * @param String title.
     * @param String value.
     * @param String onpick.
     * @param String extra.
     */
    public optionNode(String data, String title, String value, String onpick, String extra) {

      setUserObject(data);
      setAllowsChildren(false);
      Data = data;
      Title = title;
      Value = value;
      Onpick = onpick;
      Extra = extra;
    }

    /**
     * Gets the node's data attribute.
     * @return String data.
     */
    public String getData() {
      return Data;
    }

    /**
     * Gets the node's title attribute.
     * @return String title.
     */
    public String getTitle() {
      return Title;
    }

    /**
     * Gets the node's value attribute.
     * @return String value.
     */
    public String getValue() {
      return Value;
    }

    /**
     * Gets the node's onpick attribute.
     * @return String onpick.
     */
    public String getOnpick() {
      return Onpick;
    }

    /**
     * Gets the node's extra attribute.
     * @return String extra.
     */
    public String getExtra() {
      return Extra;
    }

    /**
     * Sets the node's title attribute.
     * @param String title.
     */
    public void setTitle(String title) {
      Title = title;
    }