/**
* 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();
}
/** Get a Collection containing all child Widgets of this container. */
public Collection<Widget> getChildren() {
ArrayList<Widget> list = new ArrayList<Widget>(child.size());
for (int i = 0; i < child.size(); i++) list.add(child.get(i).widget);
return list;
}