/**
* Remove a child Widget from this container.
*
* @param index the index of the Widget to remove
*/
public void remove(int index) {
Widget w = child.get(index).widget;
getComponent().remove(w.getComponent());
child.remove(index);
removeAsParent(w);
invalidateSize();
}
/**
* Add a Widget to this container. The Widget will occupy a rectangular block of cells.
*
* @param widget the Widget to add
* @param col the first column the Widget will occupy
* @param row the first row the Widget will occupy
* @param width the number of columns the Widget will occupy
* @param height the number of rows the Widget will occupy
* @param layout the LayoutInfo to use for this Widget. If null, the default LayoutInfo will be
* used.
*/
public void add(Widget widget, int col, int row, int width, int height, LayoutInfo layout) {
if (col < 0
|| col + width > colWeight.length
|| row < 0
|| row + height > rowWeight.length
|| width < 1
|| height < 1) throw new IllegalArgumentException();
if (widget.getParent() != null) widget.getParent().remove(widget);
child.add(new ChildInfo(widget, layout, col, row, width, height));
getComponent().add(widget.getComponent());
setAsParent(widget);
invalidateSize();
}