Exemplo n.º 1
0
 /**
  * If necessary paints the background of the component, then invokes <code>paint</code>.
  *
  * @param g Graphics to paint to
  * @param c JComponent painting on
  * @throws NullPointerException if <code>g</code> or <code>c</code> is null
  * @see javax.swing.plaf.ComponentUI#update
  * @see javax.swing.plaf.ComponentUI#paint
  * @since 1.5
  */
 public void update(Graphics g, JComponent c) {
   AbstractButton button = (AbstractButton) c;
   if ((c.getBackground() instanceof UIResource)
       && button.isContentAreaFilled()
       && c.isEnabled()) {
     ButtonModel model = button.getModel();
     if (!MetalUtils.isToolBarButton(c)) {
       if (!model.isArmed()
           && !model.isPressed()
           && MetalUtils.drawGradient(
               c, g, "Button.gradient", 0, 0, c.getWidth(), c.getHeight(), true)) {
         paint(g, c);
         return;
       }
     } else if (model.isRollover()
         && MetalUtils.drawGradient(
             c, g, "Button.gradient", 0, 0, c.getWidth(), c.getHeight(), true)) {
       paint(g, c);
       return;
     }
   }
   super.update(g, c);
 }
  public void paintComponent(Graphics g) {
    if (isPalette) {
      paintPalette(g);
      return;
    }

    boolean leftToRight = MetalUtils.isLeftToRight(frame);
    boolean isSelected = frame.isSelected();

    int width = getWidth();
    int height = getHeight();

    Color background = null;
    Color foreground = null;
    Color shadow = null;

    MetalBumps bumps;
    String gradientKey;

    if (isSelected) {
      if (!MetalLookAndFeel.usingOcean()) {
        closeButton.setContentAreaFilled(true);
        maxButton.setContentAreaFilled(true);
        iconButton.setContentAreaFilled(true);
      }
      if (selectedBackgroundKey != null) {
        background = UIManager.getColor(selectedBackgroundKey);
      }
      if (background == null) {
        background = MetalLookAndFeel.getWindowTitleBackground();
      }
      if (selectedForegroundKey != null) {
        foreground = UIManager.getColor(selectedForegroundKey);
      }
      if (selectedShadowKey != null) {
        shadow = UIManager.getColor(selectedShadowKey);
      }
      if (shadow == null) {
        shadow = MetalLookAndFeel.getPrimaryControlDarkShadow();
      }
      if (foreground == null) {
        foreground = MetalLookAndFeel.getWindowTitleForeground();
      }
      activeBumps.setBumpColors(
          activeBumpsHighlight,
          activeBumpsShadow,
          UIManager.get("InternalFrame.activeTitleGradient") != null ? null : background);
      bumps = activeBumps;
      gradientKey = "InternalFrame.activeTitleGradient";
    } else {
      if (!MetalLookAndFeel.usingOcean()) {
        closeButton.setContentAreaFilled(false);
        maxButton.setContentAreaFilled(false);
        iconButton.setContentAreaFilled(false);
      }
      background = MetalLookAndFeel.getWindowTitleInactiveBackground();
      foreground = MetalLookAndFeel.getWindowTitleInactiveForeground();
      shadow = MetalLookAndFeel.getControlDarkShadow();
      bumps = inactiveBumps;
      gradientKey = "InternalFrame.inactiveTitleGradient";
    }

    if (!MetalUtils.drawGradient(this, g, gradientKey, 0, 0, width, height, true)) {
      g.setColor(background);
      g.fillRect(0, 0, width, height);
    }

    g.setColor(shadow);
    g.drawLine(0, height - 1, width, height - 1);
    g.drawLine(0, 0, 0, 0);
    g.drawLine(width - 1, 0, width - 1, 0);

    int titleLength = 0;
    int xOffset = leftToRight ? 5 : width - 5;
    String frameTitle = frame.getTitle();

    Icon icon = frame.getFrameIcon();
    if (icon != null) {
      if (!leftToRight) xOffset -= icon.getIconWidth();
      int iconY = ((height / 2) - (icon.getIconHeight() / 2));
      icon.paintIcon(frame, g, xOffset, iconY);
      xOffset += leftToRight ? icon.getIconWidth() + 5 : -5;
    }

    if (frameTitle != null) {
      Font f = getFont();
      g.setFont(f);
      FontMetrics fm = SwingUtilities2.getFontMetrics(frame, g, f);
      int fHeight = fm.getHeight();

      g.setColor(foreground);

      int yOffset = ((height - fm.getHeight()) / 2) + fm.getAscent();

      Rectangle rect = new Rectangle(0, 0, 0, 0);
      if (frame.isIconifiable()) {
        rect = iconButton.getBounds();
      } else if (frame.isMaximizable()) {
        rect = maxButton.getBounds();
      } else if (frame.isClosable()) {
        rect = closeButton.getBounds();
      }
      int titleW;

      if (leftToRight) {
        if (rect.x == 0) {
          rect.x = frame.getWidth() - frame.getInsets().right - 2;
        }
        titleW = rect.x - xOffset - 4;
        frameTitle = getTitle(frameTitle, fm, titleW);
      } else {
        titleW = xOffset - rect.x - rect.width - 4;
        frameTitle = getTitle(frameTitle, fm, titleW);
        xOffset -= SwingUtilities2.stringWidth(frame, fm, frameTitle);
      }

      titleLength = SwingUtilities2.stringWidth(frame, fm, frameTitle);
      SwingUtilities2.drawString(frame, g, frameTitle, xOffset, yOffset);
      xOffset += leftToRight ? titleLength + 5 : -5;
    }

    int bumpXOffset;
    int bumpLength;
    if (leftToRight) {
      bumpLength = width - buttonsWidth - xOffset - 5;
      bumpXOffset = xOffset;
    } else {
      bumpLength = xOffset - buttonsWidth - 5;
      bumpXOffset = buttonsWidth + 5;
    }
    int bumpYOffset = 3;
    int bumpHeight = getHeight() - (2 * bumpYOffset);
    bumps.setBumpArea(bumpLength, bumpHeight);
    bumps.paintIcon(this, g, bumpXOffset, bumpYOffset);
  }