metalborders.java

gcc的组建

   * This border is used in Toolbar buttons as inner border.
   */
  static class RolloverMarginBorder extends AbstractBorder
  {
    /** The borders insets. */
    protected static Insets borderInsets = new Insets(3, 3, 3, 3);

    /**
     * Creates a new instance of RolloverBorder.
     */
    public RolloverMarginBorder()
    {
      // Nothing to do here.
    }
    
    /**
     * Returns the insets of the RolloverBorder.
     *
     * @param c the component for which the border is used
     *
     * @return the insets of the RolloverBorder
     */
    public Insets getBorderInsets(Component c)
    {
      return getBorderInsets(c, null);
    }

    /**
     * Returns the insets of the RolloverMarginBorder in the specified
     * Insets object.
     *
     * @param c the component for which the border is used
     * @param newInsets the insets object where to put the values
     *
     * @return the insets of the RolloverMarginBorder
     */
    public Insets getBorderInsets(Component c, Insets newInsets)
    {
      if (newInsets == null)
        newInsets = new Insets(0, 0, 0, 0);

      AbstractButton b = (AbstractButton) c;
      Insets margin = b.getMargin();
      newInsets.bottom = borderInsets.bottom;
      newInsets.left = borderInsets.left;
      newInsets.right = borderInsets.right;
      newInsets.top = borderInsets.top;
      return newInsets;
    }
  }

  /**
   * A border implementation for popup menus.
   */
  public static class PopupMenuBorder
    extends AbstractBorder
    implements UIResource
  {

    /** The border's insets. */
    protected static Insets borderInsets = new Insets(3, 1, 2, 1);

    /**
     * Constructs a new PopupMenuBorder.
     */
    public PopupMenuBorder()
    {
      // Nothing to do here.
    }
    
    /**
     * Returns the insets of the border, creating a new Insets instance
     * with each call.
     *
     * @param c the component for which we return the border insets
     *          (not used here)
     */
    public Insets getBorderInsets(Component c)
    {
      return getBorderInsets(c, null);
    }
    
    /**
     * Returns the insets of the border, using the supplied Insets instance.
     *
     * @param c the component for which we return the border insets
     *          (not used here)
     * @param i the Insets instance to fill with the Insets values
     */
    public Insets getBorderInsets(Component c, Insets i)
    {
      Insets insets;
      if (i == null)
        insets = new Insets(borderInsets.top, borderInsets.left,
                            borderInsets.bottom, borderInsets.right);
      else
        {
          insets = i;
          insets.top = borderInsets.top;
          insets.left = borderInsets.left;
          insets.bottom = borderInsets.bottom;
          insets.right = borderInsets.right;
        }
      
      return insets;
    }

    /**
     * Paints the border for component <code>c</code> using the
     * Graphics context <code>g</code> with the dimension
     * <code>x, y, w, h</code>.
     *
     * @param c the component for which we paint the border
     * @param g the Graphics context to use
     * @param x the X coordinate of the upper left corner of c
     * @param y the Y coordinate of the upper left corner of c
     * @param w the width of c
     * @param h the height of c
     */
    public void paintBorder(Component c, Graphics g, int x, int y, int w,
                            int h)
    {
      Color darkShadow = MetalLookAndFeel.getPrimaryControlDarkShadow();
      Color light = MetalLookAndFeel.getPrimaryControlHighlight();

      // draw dark outer border
      g.setColor(darkShadow);
      g.drawRect(x, y, w - 1, h - 1);
      
      // draw highlighted inner border (only top and left)
      g.setColor(light);
      g.drawLine(x + 1, y + 1, x + w - 2, y + 1);
    }
    
  }

  /**
   * A border used for the {@link JToggleButton} component.
   * 
   * @since 1.3
   */
  public static class ToggleButtonBorder
    extends ButtonBorder 
  {
    /**
     * Creates a new border instance.
     */
    public ToggleButtonBorder()
    {
      // Nothing to do here.
    }
    
    /**
     * Paints the toggle button border.
     *
     * @param c the component for which we paint the border
     * @param g the Graphics context to use
     * @param x the X coordinate of the upper left corner of c
     * @param y the Y coordinate of the upper left corner of c
     * @param w the width of c
     * @param h the height of c
     */
    public void paintBorder(Component c, Graphics g, int x, int y, int w,
                            int h)
    {
      ButtonModel bmodel = null;
      
      if (c instanceof AbstractButton)
        bmodel = ((AbstractButton) c).getModel();

      Color darkShadow = MetalLookAndFeel.getControlDarkShadow();
      Color shadow = MetalLookAndFeel.getControlShadow();
      Color light = MetalLookAndFeel.getWhite();
      Color middle = MetalLookAndFeel.getControl();

      if (c.isEnabled())
        {
          // draw dark border
          g.setColor(darkShadow);
          g.drawRect(x, y, w - 2, h - 2);

          if (!bmodel.isArmed())
            {
              // draw light border
              g.setColor(light);
              g.drawLine(x + 1, y + h - 1, x + w - 1, y + h - 1);
              g.drawLine(x + w - 1, y + 1, x + w - 1, y + h - 1);
              if (bmodel.isSelected())
                g.setColor(middle);
              g.drawLine(x + 1, y + 1, x + w - 3, y + 1);
              g.drawLine(x + 1, y + 1, x + 1, y + h - 3);

              // draw crossing pixels of both borders
              g.setColor(shadow);
              g.drawLine(x + 1, y + h - 2, x + 1, y + h - 2);
              g.drawLine(x + w - 2, y + 1, x + w - 2, y + 1);
            }
          else
            {
              // draw light border
              g.setColor(light);
              g.drawLine(x + w - 1, y + 1, x + w - 1, y + h - 1);
              g.drawLine(x + 1, y + h - 1, x + w - 1, y + h - 1);

              // draw shadow border
              g.setColor(shadow);
              g.drawLine(x + 1, y + 1, x + w - 2, y + 1);
              g.drawLine(x + 1, y + 1, x + 1, y + h - 2);
 
              // draw crossing pixels of both borders
              g.setColor(shadow);
              g.drawLine(x + 1, y + h - 2, x + 1, y + h - 2);
              g.drawLine(x + w - 2, y + 1, x + w - 2, y + 1);
              
            }
          // draw corners
          g.setColor(middle);
          g.drawLine(x, y + h - 1, x, y + h - 1);
          g.drawLine(x + w - 1, y, x + w - 1, y);
        }
      else 
        {
          // draw disabled border
          g.setColor(MetalLookAndFeel.getControlDisabled());
          g.drawRect(x, y, w - 2, h - 2);          
        }
    }
  }

  /**
   * A border used for the {@link JToolBar} component.
   */
  public static class ToolBarBorder extends AbstractBorder
    implements UIResource, SwingConstants
  {
    /**
     * Creates a new border instance.
     */
    public ToolBarBorder()
    {
      // Nothing to do here.
    }
    
    /**
     * Returns the border insets.
     * 
     * @param c  the component (ignored).
     * 
     * @return The border insets.
     */
    public Insets getBorderInsets(Component c)
    {
      return getBorderInsets(c, null);
    }
    
    /**
     * Returns the border insets.
     * 
     * @param c  the component (ignored).
     * @return The border insets.
     */
    public Insets getBorderInsets(Component c, Insets newInsets)
    {
      JToolBar tb = (JToolBar) c;
      if (tb.getOrientation() == JToolBar.HORIZONTAL)
        {   
          if (newInsets == null)
            newInsets = new Insets(2, 16, 2, 2);
          else
            {
              newInsets.top = 2;
              newInsets.left = 16;
              newInsets.bottom = 2;
              newInsets.right = 2;
            }
          return newInsets;  
        }
      else // assume JToolBar.VERTICAL
        { 
          if (newInsets == null)
            newInsets = new Insets(16, 2, 2, 2);
          else
            {
              newInsets.top = 16;
              newInsets.left = 2;
              newInsets.bottom = 2;
              newInsets.right = 2;
            }
          return newInsets;  
        }

    }
    
    /**
     * Paints the border for the specified component.
     * 
     * @param c  the component.
     * @param g  the graphics device.
     * @param x  the x-coordinate.
     * @param y  the y-coordinate.
     * @param w  the width.
     * @param h  the height.
     */
    public void paintBorder(Component c, Graphics g, int x, int y, int w, 
        int h)
    {
        
      JToolBar tb = (JToolBar) c;
      if (tb.getOrientation() == JToolBar.HORIZONTAL)
        {
           MetalUtils.fillMetalPattern(tb, g, x + 2, y + 2, x + 11, y + h - 5, 
                  MetalLookAndFeel.getControlHighlight(), 
                  MetalLookAndFeel.getControlDarkShadow());
        }
      else
        { 
          MetalUtils.fillMetalPattern(tb, g, x + 2, y + 2, x + w - 5, y + 11, 
                  MetalLookAndFeel.getControlHighlight(), 
                  MetalLookAndFeel.getControlDarkShadow());
        }
    }
    
  }
  
  /**
   * A border for table header cells.
   *
   * @since 1.3
   */
  public static class TableHeaderBorder extends AbstractBorder
  {
    /**
     * The insets of this border.
     */
    // TODO: According to tests that I have done, this is really the border
    // that should be returned by getBorderInsets(). However, the name
    // is very distracting. Is there any deeper meaning in it?
    protected Insets editorBorderInsets;

    /**
     * Creates a new instance of <code>TableHeaderBorder</code>.
     */
    public TableHeaderBorder()
    {
      editorBorderInsets = new Insets(1, 1, 1, 1);
    }

    /**
     * Return the insets of this border.
     *
     * @return the insets of this border
     */
    public Insets getBorderInsets(Component c)
    {
      return editorBorderInsets;
    }

    /**
     * Paints the border.
     *
     * @param c the component for which to paint the border
     * @param g the graphics context to use
     * @param x the x cooridinate of the border rectangle
     * @param y the y cooridinate of the border rectangle
     * @param w the width of the border rectangle
     * @param h the height of the border rectangle
     */
    public void paintBorder(Component c, Graphics g, int x, int y, int w, int h)
    {
      Color dark = MetalLookAndFeel.getControlDarkShadow();
      Color light = MetalLookAndFeel.getWhite();
      Color old = g.getColor();
      g.setColor(light);
      g.drawLine(x, y, x + w - 2, y);
      g.drawLine(x, y, x, y + h - 2);
      g.setColor(dark);
      g.drawLine(x + w - 1, y, x + w - 1, y + h - 1);
      g.drawLine(x + 1, y + h - 1, x + w - 1, y + h - 1);
      g.setColor(old);
    }
  }

  /**
   * Returns a border for Swing buttons in the Metal Look &amp; Feel.
   *
   * @return a border for Swing buttons in the Metal Look &amp; Feel
   */
  public static Border getButtonBorder()
  {
    if (buttonBorder == null)
      {
        Border outer = new ButtonBorder();
        Border inner = getMarginBorder();
        buttonBorder = new BorderUIResource.CompoundBorderUIResource
            (outer, inner);
      }
    return buttonBorder;
  }
  
  /**
   * Returns a border for use with {@link JToggleButton} components.
   *
   * @return A border.
   * 
   * @since 1.3
   */
  public static Border getToggleButtonBorder()
  {
    if (toggleButtonBorder == null)
      {
        Border outer = new ToggleButtonBorder();
        Border inner = getMarginBorder();
        toggleButtonBorder = new BorderUIResource.CompoundBorderUIResource
            (outer, inner);
      }
    return toggleButtonBorder;
  }

  /**
   * Returns a border instance that is used with a {@link JInternalFrame} when
   * it is in the iconified state.
   * 
   * @return A border.
   * 
   * @since 1.3
   */
  public static Border getDesktopIconBorder()
  {
    if (desktopIconBorder == null)
      desktopIconBorder = new DesktopIconBorder();
    return desktopIconBorder;      
  }

  /**
   * Returns a border for use by the {@link JTextField} component.
   * 
   * @return A border.
   * 
   * @since 1.3
   */
  public static Border getTextFieldBorder()
  {
    if (textFieldBorder == null)
      {
        Border inner = getMarginBorder();
        Border outer = new TextFieldBorder();
        textFieldBorder =
          new BorderUIResource.CompoundBorderUIResource(outer, inner);
      }
    return textFieldBorder;
  }

  /**
   * Returns the border that is used for text components (except text fields,
   * which use {@link #getTextFieldBorder}.
   *
   * @return the border that is used for text components
   *
   * @since 1.3
   */
  public static Border getTextBorder()
  {
    if (textBorder == null)
      {
        Border inner = getMarginBorder();
        Border outer = new Flush3DBorder();
        textBorder =
          new BorderUIResource.CompoundBorderUIResource(outer, inner);
      }
    return textBorder;
  }

  /**
   * Returns a border for Toolbar buttons in the Metal Look &amp; Feel.
   *
   * @return a border for Toolbar buttons in the Metal Look &amp; Feel
   */
  static Border getToolbarButtonBorder()
  {
    if (toolbarButtonBorder == null)
      {
        Border outer = new ButtonBorder();
        Border inner = new RolloverMarginBorder();
        toolbarButtonBorder = new BorderUIResource.CompoundBorderUIResource
          (outer, inner);
      }
    return toolbarButtonBorder;
  }

  /**
   * Returns a shared instance of {@link BasicBorders.MarginBorder}.
   *
   * @return a shared instance of {@link BasicBorders.MarginBorder}
   */
  static Border getMarginBorder()
  {
    if (marginBorder == null)
      marginBorder = new BasicBorders.MarginBorder();
    return marginBorder;
  }

  /**
   * Returns a shared instance of a compound border for rollover buttons.
   * 
   * @return A shared border instance.
   */
  static Border getRolloverBorder()
  {
    if (rolloverBorder == null)
      {
        Border outer = new MetalBorders.RolloverButtonBorder();
        Border inner = MetalBorders.getMarginBorder();
        rolloverBorder = new BorderUIResource.CompoundBorderUIResource(outer, 
            inner);
      }
    return rolloverBorder;
  }

}