Exemplo n.º 1
0
 /**
  * Creates a new JScrollBar object with the given orientation, value, min, max, and extent.
  *
  * @param orientation The orientation to use.
  * @param value The value to use.
  * @param extent The extent to use.
  * @param min The minimum value of the scrollbar.
  * @param max The maximum value of the scrollbar.
  */
 public JScrollBar(int orientation, int value, int extent, int min, int max) {
   model = new DefaultBoundedRangeModel(value, extent, min, max);
   if (orientation != SwingConstants.HORIZONTAL && orientation != SwingConstants.VERTICAL)
     throw new IllegalArgumentException(orientation + " is not a legal orientation");
   this.orientation = orientation;
   updateUI();
 }
Exemplo n.º 2
0
 /**
  * Creates a scrollbar with the specified orientation, value, extent, minimum, and maximum. The
  * "extent" is the size of the viewable area. It is also known as the "visible amount".
  *
  * <p>Note: Use <code>setBlockIncrement</code> to set the block increment to a size slightly
  * smaller than the view's extent. That way, when the user jumps the knob to an adjacent position,
  * one or two lines of the original contents remain in view.
  *
  * @exception IllegalArgumentException if orientation is not one of VERTICAL, HORIZONTAL
  * @see #setOrientation
  * @see #setValue
  * @see #setVisibleAmount
  * @see #setMinimum
  * @see #setMaximum
  */
 public JScrollBar(int orientation, int value, int extent, int min, int max) {
   checkOrientation(orientation);
   this.unitIncrement = 1;
   this.blockIncrement = (extent == 0) ? 1 : extent;
   this.orientation = orientation;
   this.model = new DefaultBoundedRangeModel(value, extent, min, max);
   this.model.addChangeListener(fwdAdjustmentEvents);
   setRequestFocusEnabled(false);
   updateUI();
 }