jcolorchooser.java

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    reset.addActionListener(new DefaultResetListener(chooserPane));

    dialog.getContentPane().add(chooserPane, BorderLayout.NORTH);

    panel.add(ok);
    panel.add(cancel);
    panel.add(reset);

    dialog.getContentPane().add(panel, BorderLayout.SOUTH);

    return dialog;
  } // createDialog()

  /**
   * This method returns the UI Component used for this JColorChooser.
   *
   * @return The UI Component for this JColorChooser.
   */
  public ColorChooserUI getUI()
  {
    return (ColorChooserUI) ui;
  } // getUI()

  /**
   * This method sets the UI Component used for this JColorChooser.
   *
   * @param ui The UI Component to use with this JColorChooser.
   */
  public void setUI(ColorChooserUI ui)
  {
    super.setUI(ui);
  } // setUI()

  /**
   * This method resets the UI Component property to the Look and Feel
   * default.
   */
  public void updateUI()
  {
    setUI((ColorChooserUI) UIManager.getUI(this));
  }

  /**
   * This method returns a String identifier for the UI Class to be used with
   * the JColorChooser.
   *
   * @return The String identifier for the UI Class.
   */
  public String getUIClassID()
  {
    return "ColorChooserUI";
  } // getUIClassID()

  /**
   * This method returns the current color for the JColorChooser.
   *
   * @return The current color for the JColorChooser.
   */
  public Color getColor()
  {
    return selectionModel.getSelectedColor(); // TODO
  } // getColor()

  /**
   * This method changes the previewPanel property for the JTabbedPane. The
   * previewPanel is responsible for indicating the current color of the
   * JColorChooser.
   *
   * @param component The Component that will act as the previewPanel.
   */
  public void setPreviewPanel(JComponent component)
  {
    if (component != previewPanel)
      {
        JComponent old = previewPanel;
        previewPanel = component;
        firePropertyChange(PREVIEW_PANEL_PROPERTY, old, previewPanel);
      }
  } // setPreviewPanel()

  /**
   * This method returns the current previewPanel used with this
   * JColorChooser.
   *
   * @return The current previewPanel.
   */
  public JComponent getPreviewPanel()
  {
    return previewPanel; // TODO
  } // getPreviewPanel()

  /**
   * This method adds the given AbstractColorChooserPanel to the list of the
   * JColorChooser's chooserPanels.
   *
   * @param panel The AbstractColorChooserPanel to add.
   */
  public void addChooserPanel(AbstractColorChooserPanel panel)
  {
    if (panel == null)
      return;
    AbstractColorChooserPanel[] old = chooserPanels;
    AbstractColorChooserPanel[] newPanels =
      new AbstractColorChooserPanel[(old == null) ? 1 : old.length + 1];
    if (old != null)
      System.arraycopy(old, 0, newPanels, 0, old.length);
    newPanels[newPanels.length - 1] = panel;
    chooserPanels = newPanels;
    panel.installChooserPanel(this);
    firePropertyChange(CHOOSER_PANELS_PROPERTY, old, newPanels);
  } // addChooserPanel()

  /**
   * This method removes the given AbstractColorChooserPanel from the
   * JColorChooser's list of chooserPanels.
   *
   * @param panel The AbstractColorChooserPanel to remove.
   *
   * @return The AbstractColorChooserPanel that was removed.
   */
  public AbstractColorChooserPanel removeChooserPanel(AbstractColorChooserPanel panel)
  {
    int index = -1;
    for (int i = 0; i < chooserPanels.length; i++)
      if (panel == chooserPanels[i])
        {
          index = i;
          break;
        }

    if (index == -1)
      return null;

    AbstractColorChooserPanel[] old = chooserPanels;
    if (chooserPanels.length == 1)
      chooserPanels = null;
    else
      {
        AbstractColorChooserPanel[] newPanels =
          new AbstractColorChooserPanel[chooserPanels.length - 1];
        System.arraycopy(chooserPanels, 0, newPanels, 0, index);
        System.arraycopy(chooserPanels, index, newPanels, index - 1,
                         chooserPanels.length - index);
        chooserPanels = newPanels;
      }
    panel.uninstallChooserPanel(this);
    firePropertyChange(CHOOSER_PANELS_PROPERTY, old, chooserPanels);
    return panel;
  }

  /**
   * This method sets the chooserPanels property for this JColorChooser.
   *
   * @param panels The new set of AbstractColorChooserPanels to use.
   */
  public void setChooserPanels(AbstractColorChooserPanel[] panels)
  {
    if (panels != chooserPanels)
      {
        if (chooserPanels != null)
          for (int i = 0; i < chooserPanels.length; i++)
            if (chooserPanels[i] != null)
              chooserPanels[i].uninstallChooserPanel(this);

        AbstractColorChooserPanel[] old = chooserPanels;
        chooserPanels = panels;

        if (panels != null)
          for (int i = 0; i < panels.length; i++)
            if (panels[i] != null)
              panels[i].installChooserPanel(this);

        firePropertyChange(CHOOSER_PANELS_PROPERTY, old, chooserPanels);
      }
  } // setChooserPanels()

  /**
   * This method returns the AbstractColorChooserPanels used with this
   * JColorChooser.
   *
   * @return The AbstractColorChooserPanels used with this JColorChooser.
   */
  public AbstractColorChooserPanel[] getChooserPanels()
  {
    return chooserPanels;
  } // getChooserPanels()

  /**
   * This method returns the ColorSelectionModel used with this JColorChooser.
   *
   * @return The ColorSelectionModel.
   */
  public ColorSelectionModel getSelectionModel()
  {
    return selectionModel;
  } // getSelectionModel()

  /**
   * This method sets the ColorSelectionModel to be used with this
   * JColorChooser.
   *
   * @param model The ColorSelectionModel to be used with this JColorChooser.
   *
   * @throws AWTError If the given model is null.
   */
  public void setSelectionModel(ColorSelectionModel model)
  {
    if (model == null)
      throw new AWTError("ColorSelectionModel is not allowed to be null.");
    selectionModel = model;
  } // setSelectionModel()

  /**
   * DOCUMENT ME!
   *
   * @return DOCUMENT ME!
   */
  public boolean getDragEnabled()
  {
    return dragEnabled;
  }

  /**
   * DOCUMENT ME!
   *
   * @param b DOCUMENT ME!
   */
  public void setDragEnabled(boolean b)
  {
    dragEnabled = b;
  }

  /**
   * This method returns a String describing the JColorChooser.
   *
   * @return A String describing the JColorChooser.
   */
  protected String paramString()
  {
    return "JColorChooser";
  } // paramString()

  /**
   * getAccessibleContext
   *
   * @return AccessibleContext
   */
  public AccessibleContext getAccessibleContext()
  {
    if (accessibleContext == null)
      accessibleContext = new AccessibleJColorChooser();

    return accessibleContext;
  }

  /**
   * A helper class that hides a JDialog when the action is performed.
   */
  static class DefaultOKCancelListener implements ActionListener
  {
    /** The JDialog to hide. */
    private JDialog dialog;

    /**
     * Creates a new DefaultOKCancelListener with the given JDialog to hide.
     *
     * @param dialog The JDialog to hide.
     */
    public DefaultOKCancelListener(JDialog dialog)
    {
      super();
      this.dialog = dialog;
    }

    /**
     * This method hides the JDialog when called.
     *
     * @param e The ActionEvent.
     */
    public void actionPerformed(ActionEvent e)
    {
      dialog.hide();
    }
  }

  /**
   * This method resets the JColorChooser color to the initial color when the
   * action is performed.
   */
  static class DefaultResetListener implements ActionListener
  {
    /** The JColorChooser to reset. */
    private JColorChooser chooser;

    /** The initial color. */
    private Color init;

    /**
     * Creates a new DefaultResetListener with the given JColorChooser.
     *
     * @param chooser The JColorChooser to reset.
     */
    public DefaultResetListener(JColorChooser chooser)
    {
      super();
      this.chooser = chooser;
      init = chooser.getColor();
    }

    /**
     * This method resets the JColorChooser to its initial color.
     *
     * @param e The ActionEvent.
     */
    public void actionPerformed(ActionEvent e)
    {
      chooser.setColor(init);
    }
  }

}