Interface Arrangement

public void add(Block block,
                Object key)

Adds a block and a key which can be used to determine the position of the block in the arrangement. This method is called by the container (you don't need to call this method directly) and gives the arrangement an opportunity to record the details if they are required.

Parameters:

block - the block.

key - the key (null permitted).

public Size2D arrange(BlockContainer container,
                      Graphics2D g2,
                      RectangleConstraint constraint)

Arranges the blocks within the specified container, subject to the given constraint.

Parameters:

container - the container.

g2 - the graphics device.

constraint - the constraint.

Returns:

The container size after the arrangement.

public void clear()

Clears any cached layout information retained by the arrangement.