Esempio n. 1
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    /** @{inheritDoc} */
    @Override
    public void paintComponent(Graphics g) {
      super.paintComponent(g);

      g = g.create();

      try {
        AntialiasingManager.activateAntialiasing(g);

        g.setColor(Color.DARK_GRAY);
        g.fillRoundRect(0, 0, this.getWidth(), this.getHeight(), 10, 10);
      } finally {
        g.dispose();
      }
    }
  private void internalPaintTabBackground(
      Graphics g, int tabPlacement, int tabIndex, int x, int y, int w, int h, boolean isSelected) {
    BufferedImage leftImg = null;
    BufferedImage middleImg = null;
    BufferedImage rightImg = null;

    Graphics2D g2 = (Graphics2D) g;

    AntialiasingManager.activateAntialiasing(g2);

    int tabOverlap = 0;

    if (isSelected) {
      if (tabPane.isEnabledAt(tabIndex)) {
        leftImg = DesktopUtilActivator.getImage(SELECTED_TAB_LEFT_BG);
        middleImg = DesktopUtilActivator.getImage(SELECTED_TAB_MIDDLE_BG);
        rightImg = DesktopUtilActivator.getImage(SELECTED_TAB_RIGHT_BG);

        tabOverlap = TAB_OVERLAP;
      } else {
        leftImg = DesktopUtilActivator.getImage(TAB_LEFT_BG);
        middleImg = DesktopUtilActivator.getImage(TAB_MIDDLE_BG);
        rightImg = DesktopUtilActivator.getImage(TAB_RIGHT_BG);
      }
    } else {
      leftImg = DesktopUtilActivator.getImage(TAB_LEFT_BG);
      middleImg = DesktopUtilActivator.getImage(TAB_MIDDLE_BG);
      rightImg = DesktopUtilActivator.getImage(TAB_RIGHT_BG);
    }

    // Remove the existing gap between the tabs and the panel, which is due
    // to the removal of the tabbed pane border.
    y++;
    // If the current tab is not the selected tab we paint it 2 more pixels
    // to the bottom in order to create the disabled look.
    if (!isSelected) y += 2;

    g2.drawImage(leftImg, x, y, null);
    g2.drawImage(
        middleImg,
        x + leftImg.getWidth(),
        y,
        w - leftImg.getWidth() - rightImg.getWidth() + tabOverlap,
        leftImg.getHeight(),
        null);
    g2.drawImage(rightImg, x + w - rightImg.getWidth() + tabOverlap, y, null);
  }
  /**
   * Paints a customized background.
   *
   * @param g the <tt>Graphics</tt> object through which we paint
   */
  @Override
  protected void paintComponent(Graphics g) {
    super.paintComponent(g);

    g = g.create();

    if (!(treeNode instanceof GroupNode) && !isSelected) return;

    AntialiasingManager.activateAntialiasing(g);

    Graphics2D g2 = (Graphics2D) g;

    try {
      internalPaintComponent(g2);
    } finally {
      g.dispose();
    }
  }
  /**
   * Paints a custom gradient background for selected cells.
   *
   * @param g the <tt>Graphics</tt> object used for painting
   */
  private void internalPaintComponent(Graphics g) {
    AntialiasingManager.activateAntialiasing(g);

    Graphics2D g2 = (Graphics2D) g;
    int width = getWidth();
    int height = getHeight();

    if (this.isSelected) {
      GradientPaint p =
          new GradientPaint(
              width / 2, 0, SELECTED_START_COLOR, width / 2, height, SELECTED_END_COLOR);

      g2.setPaint(p);
      g2.fillRoundRect(1, 1, width, height - 1, 7, 7);
    }

    g2.setColor(SELECTED_START_COLOR);
    g2.drawLine(0, height - 1, width, height - 1);
  }
  /**
   * Draw the icon at the specified location. Paints this component as an icon.
   *
   * @param c the component which can be used as observer
   * @param g the <tt>Graphics</tt> object used for painting
   * @param x the position on the X coordinate
   * @param y the position on the Y coordinate
   */
  public void paintIcon(Component c, Graphics g, int x, int y) {
    g = g.create();
    try {
      Graphics2D g2 = (Graphics2D) g;
      AntialiasingManager.activateAntialiasing(g2);

      g2.setColor(Color.WHITE);
      g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.8f));
      g2.fillRoundRect(x, y, getIconWidth() - 1, getIconHeight() - 1, 10, 10);
      g2.setColor(Color.DARK_GRAY);
      g2.drawRoundRect(x, y, getIconWidth() - 1, getIconHeight() - 1, 10, 10);

      // Indent component content from the border.
      g2.translate(x + 5, y + 5);

      super.paint(g2);

      g2.translate(x, y);
    } finally {
      g.dispose();
    }
  }