/**
  * Returns the spacing between each of the cells/units in the progress bar. However, for text
  * rendering simplification and aesthetic considerations, this function will return 0 when the
  * progress string is being rendered.
  *
  * @return the value representing the spacing between cells
  * @see #setCellSpacing
  * @see JProgressBar#isStringPainted
  */
 protected int getCellSpacing() {
   if (progressBar.isStringPainted()) {
     return 0;
   } else {
     return cellSpacing;
   }
 }
  /**
   * All purpose paint method that should do the right thing for all linear bouncing-box progress
   * bars. Override this if you are making another kind of progress bar.
   *
   * @see #paintDeterminate
   * @since 1.4
   */
  protected void paintIndeterminate(Graphics g, JComponent c) {
    if (!(g instanceof Graphics2D)) {
      return;
    }

    Insets b = progressBar.getInsets(); // area for border
    int barRectWidth = progressBar.getWidth() - (b.right + b.left);
    int barRectHeight = progressBar.getHeight() - (b.top + b.bottom);

    if (barRectWidth <= 0 || barRectHeight <= 0) {
      return;
    }

    Graphics2D g2 = (Graphics2D) g;

    // Paint the bouncing box.
    boxRect = getBox(boxRect);
    if (boxRect != null) {
      g2.setColor(progressBar.getForeground());
      g2.fillRect(boxRect.x, boxRect.y, boxRect.width, boxRect.height);
    }

    // Deal with possible text painting
    if (progressBar.isStringPainted()) {
      if (progressBar.getOrientation() == JProgressBar.HORIZONTAL) {
        paintString(g2, b.left, b.top, barRectWidth, barRectHeight, boxRect.x, boxRect.width, b);
      } else {
        paintString(g2, b.left, b.top, barRectWidth, barRectHeight, boxRect.y, boxRect.height, b);
      }
    }
  }
 /**
  * Returns the width (if HORIZONTAL) or height (if VERTICAL) of each of the individual cells/units
  * to be rendered in the progress bar. However, for text rendering simplification and aesthetic
  * considerations, this function will return 1 when the progress string is being rendered.
  *
  * @return the value representing the spacing between cells
  * @see #setCellLength
  * @see JProgressBar#isStringPainted
  */
 protected int getCellLength() {
   if (progressBar.isStringPainted()) {
     return 1;
   } else {
     return cellLength;
   }
 }
 /**
  * Returns an enum indicating how the baseline of the component changes as the size changes.
  *
  * @throws NullPointerException {@inheritDoc}
  * @see javax.swing.JComponent#getBaseline(int, int)
  * @since 1.6
  */
 public Component.BaselineResizeBehavior getBaselineResizeBehavior(JComponent c) {
   super.getBaselineResizeBehavior(c);
   if (progressBar.isStringPainted() && progressBar.getOrientation() == JProgressBar.HORIZONTAL) {
     return Component.BaselineResizeBehavior.CENTER_OFFSET;
   }
   return Component.BaselineResizeBehavior.OTHER;
 }
Esempio n. 5
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 private static int getProgressBarBaseline(JProgressBar pb, int height) {
   if (pb.isStringPainted() && pb.getOrientation() == JProgressBar.HORIZONTAL) {
     FontMetrics metrics = pb.getFontMetrics(pb.getFont());
     Insets insets = pb.getInsets();
     int y = insets.top;
     if (isWindows() && isXP()) {
       if (pb.isIndeterminate()) {
         y = -1;
         height--;
       } else {
         y = 0;
         height -= 3;
       }
     } else if (isGTK()) {
       return (height - metrics.getAscent() - metrics.getDescent()) / 2 + metrics.getAscent();
     } else if (isAqua()) {
       if (pb.isIndeterminate()) {
         // Aqua doesn't appear to support text on indeterminate
         // progress bars.
         return -1;
       }
       y -= 1;
       height -= (insets.top + insets.bottom);
     } else {
       height -= insets.top + insets.bottom;
     }
     return y + (height + metrics.getAscent() - metrics.getLeading() - metrics.getDescent()) / 2;
   }
   return -1;
 }
  public Dimension getPreferredSize(JComponent c) {
    Dimension size;
    Insets border = progressBar.getInsets();
    FontMetrics fontSizer = progressBar.getFontMetrics(progressBar.getFont());

    if (progressBar.getOrientation() == JProgressBar.HORIZONTAL) {
      size = new Dimension(getPreferredInnerHorizontal());
      // Ensure that the progress string will fit
      if (progressBar.isStringPainted()) {
        // I'm doing this for completeness.
        String progString = progressBar.getString();
        int stringWidth = SwingUtilities2.stringWidth(progressBar, fontSizer, progString);
        if (stringWidth > size.width) {
          size.width = stringWidth;
        }
        // This uses both Height and Descent to be sure that
        // there is more than enough room in the progress bar
        // for everything.
        // This does have a strange dependency on
        // getStringPlacememnt() in a funny way.
        int stringHeight = fontSizer.getHeight() + fontSizer.getDescent();
        if (stringHeight > size.height) {
          size.height = stringHeight;
        }
      }
    } else {
      size = new Dimension(getPreferredInnerVertical());
      // Ensure that the progress string will fit.
      if (progressBar.isStringPainted()) {
        String progString = progressBar.getString();
        int stringHeight = fontSizer.getHeight() + fontSizer.getDescent();
        if (stringHeight > size.width) {
          size.width = stringHeight;
        }
        // This is also for completeness.
        int stringWidth = SwingUtilities2.stringWidth(progressBar, fontSizer, progString);
        if (stringWidth > size.height) {
          size.height = stringWidth;
        }
      }
    }

    size.width += border.left + border.right;
    size.height += border.top + border.bottom;
    return size;
  }
 /**
  * Returns the baseline.
  *
  * @throws NullPointerException {@inheritDoc}
  * @throws IllegalArgumentException {@inheritDoc}
  * @see javax.swing.JComponent#getBaseline(int, int)
  * @since 1.6
  */
 public int getBaseline(JComponent c, int width, int height) {
   super.getBaseline(c, width, height);
   if (progressBar.isStringPainted() && progressBar.getOrientation() == JProgressBar.HORIZONTAL) {
     FontMetrics metrics = progressBar.getFontMetrics(progressBar.getFont());
     Insets insets = progressBar.getInsets();
     int y = insets.top;
     height = height - insets.top - insets.bottom;
     return y + (height + metrics.getAscent() - metrics.getLeading() - metrics.getDescent()) / 2;
   }
   return -1;
 }
  /**
   * All purpose paint method that should do the right thing for almost all linear, determinate
   * progress bars. By setting a few values in the defaults table, things should work just fine to
   * paint your progress bar. Naturally, override this if you are making a circular or semi-circular
   * progress bar.
   *
   * @see #paintIndeterminate
   * @since 1.4
   */
  protected void paintDeterminate(Graphics g, JComponent c) {
    if (!(g instanceof Graphics2D)) {
      return;
    }

    Insets b = progressBar.getInsets(); // area for border
    int barRectWidth = progressBar.getWidth() - (b.right + b.left);
    int barRectHeight = progressBar.getHeight() - (b.top + b.bottom);

    if (barRectWidth <= 0 || barRectHeight <= 0) {
      return;
    }

    int cellLength = getCellLength();
    int cellSpacing = getCellSpacing();
    // amount of progress to draw
    int amountFull = getAmountFull(b, barRectWidth, barRectHeight);

    Graphics2D g2 = (Graphics2D) g;
    g2.setColor(progressBar.getForeground());

    if (progressBar.getOrientation() == JProgressBar.HORIZONTAL) {
      // draw the cells
      if (cellSpacing == 0 && amountFull > 0) {
        // draw one big Rect because there is no space between cells
        g2.setStroke(
            new BasicStroke((float) barRectHeight, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL));
      } else {
        // draw each individual cell
        g2.setStroke(
            new BasicStroke(
                (float) barRectHeight,
                BasicStroke.CAP_BUTT,
                BasicStroke.JOIN_BEVEL,
                0.f,
                new float[] {cellLength, cellSpacing},
                0.f));
      }

      if (BasicGraphicsUtils.isLeftToRight(c)) {
        g2.drawLine(
            b.left, (barRectHeight / 2) + b.top, amountFull + b.left, (barRectHeight / 2) + b.top);
      } else {
        g2.drawLine(
            (barRectWidth + b.left),
            (barRectHeight / 2) + b.top,
            barRectWidth + b.left - amountFull,
            (barRectHeight / 2) + b.top);
      }

    } else { // VERTICAL
      // draw the cells
      if (cellSpacing == 0 && amountFull > 0) {
        // draw one big Rect because there is no space between cells
        g2.setStroke(
            new BasicStroke((float) barRectWidth, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL));
      } else {
        // draw each individual cell
        g2.setStroke(
            new BasicStroke(
                (float) barRectWidth,
                BasicStroke.CAP_BUTT,
                BasicStroke.JOIN_BEVEL,
                0f,
                new float[] {cellLength, cellSpacing},
                0f));
      }

      g2.drawLine(
          barRectWidth / 2 + b.left,
          b.top + barRectHeight,
          barRectWidth / 2 + b.left,
          b.top + barRectHeight - amountFull);
    }

    // Deal with possible text painting
    if (progressBar.isStringPainted()) {
      paintString(g, b.left, b.top, barRectWidth, barRectHeight, amountFull, b);
    }
  }
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 private static int getProgressBarBaselineResizeBehavior(JProgressBar pb) {
   if (pb.isStringPainted() && pb.getOrientation() == JProgressBar.HORIZONTAL) {
     return BRB_CENTER_OFFSET;
   }
   return BRB_OTHER;
 }