/**
* Positions the specified dialog at a position relative to its parent.
*
* @param dialog the dialog to be positioned.
* @param horizontalPercent the relative location.
* @param verticalPercent the relative location.
*/
public static void positionDialogRelativeToParent(
final Dialog dialog, final double horizontalPercent, final double verticalPercent) {
final Container parent = dialog.getParent();
if (parent == null || (parent.isVisible() == false)) {
positionFrameOnScreen(dialog, horizontalPercent, verticalPercent);
return;
}
final Dimension d = dialog.getSize();
final Dimension p = parent.getSize();
final int baseX = parent.getX();
final int baseY = parent.getY();
final int parentPointX = baseX + (int) (horizontalPercent * p.width);
final int parentPointY = baseY + (int) (verticalPercent * p.height);
final int dialogPointX = parentPointX - (int) (horizontalPercent * d.width);
final int dialogPointY = parentPointY - (int) (verticalPercent * d.height);
// make sure the dialog fits completely on the screen...
final Rectangle s = parent.getGraphicsConfiguration().getBounds();
final Rectangle r = new Rectangle(dialogPointX, dialogPointY, d.width, d.height);
final Rectangle intersectedDialogBounds = r.intersection(s);
if (intersectedDialogBounds.width < d.width) {
r.x = s.width - d.width;
r.width = d.width;
}
if (intersectedDialogBounds.height < d.height) {
r.y = s.height - d.height;
r.height = d.height;
}
final Rectangle finalIntersection = r.intersection(s);
dialog.setBounds(finalIntersection);
}
public void centerDialog(Dialog dialog) {
// For centering dialogs
Dimension size = dialog.getSize();
Dimension parentSize = getSize();
Point parentLocation = getLocationOnScreen();
if ((parentSize.width <= size.width) || (parentSize.height <= size.height))
// If this window is bigger than the parent window,
// place it at the same coordinates as the parent.
dialog.setLocation(parentLocation.x, parentLocation.y);
else
// Otherwise, place it centered within the parent window.
dialog.setLocation(
(((parentSize.width - size.width) / 2) + parentLocation.x),
(((parentSize.height - size.height) / 2) + parentLocation.y));
}