PopOverShell.java 文件源码

/**
 * Shows the PopOverShell in a suitable location relative to the parent component. Classes extending PopOverShell will
 * provide the <code>Region</code> via the abstract <code>getAppropriatePopOverRegion()</code> method.
 */
public void show() {
  runBeforeShowPopOverShell();

  Point popOverShellSize = getAppropriatePopOverSize();
  popOverRegion = new Region();
  popOverRegion.add(new Rectangle(0, 0, popOverShellSize.x, popOverShellSize.y));

  Point location = getPopOverShellLocation(parentShell, poppedOverItem, popOverRegion);

  popOverShell.setRegion(popOverRegion);
  popOverShell.setSize(popOverRegion.getBounds().width, popOverRegion.getBounds().height);
  popOverShell.setLocation(location);
  popOverShell.setAlpha(FULLY_VISIBLE_ALPHA);
  popOverShell.setVisible(true);
}