/**
* The method computes a preferred size for the specified target component.
*
* @param target the specified layoutable container.
*/
public Dimension calcPreferredSize(LayoutContainer target) {
Dimension ps =
center != null && center.isVisible() ? center.getPreferredSize() : new Dimension();
if (label != null && label.isVisible()) {
Dimension lps = label.getPreferredSize();
lps.width += INDENT;
ps.height += lps.height;
ps.width = Math.max(ps.width, lps.width);
}
ps.width += (hGap * 2);
ps.height += (vGap * 2);
return ps;
}
/**
* The method is an implementation of appropriate layout manager method. The method performs
* layouting of the child layoutable components for the specified target component.
*
* @param target the specified layoutable container.
*/
public void layout(LayoutContainer target) {
Insets targetInsets = getInsets();
int y = 0, x = 0, w = 0, h = 0;
if (label != null && label.isVisible()) {
Dimension ps = label.getPreferredSize();
y =
(getTitleAlignment() == LwToolkit.BOTTOM)
? (height - targetInsets.bottom - ps.height)
: targetInsets.top;
x =
(xAlignment == LwToolkit.LEFT)
? targetInsets.left + INDENT
: ((xAlignment == LwToolkit.RIGHT)
? width - targetInsets.right - ps.width - INDENT
: (width - ps.width) / 2);
w = ps.width;
h = ps.height;
label.setSize(w, h);
label.setLocation(x, y);
}
if (center != null && center.isVisible()) {
center.setLocation(
targetInsets.left + hGap,
(getTitleAlignment() == LwToolkit.BOTTOM ? targetInsets.top : targetInsets.top + h)
+ vGap);
center.setSize(
width - targetInsets.right - targetInsets.left - 2 * hGap,
height - targetInsets.top - targetInsets.bottom - h - 2 * vGap);
}
}