bibliothek.gui.dock.station.screen
Interface ScreenDropSizeStrategy

public interface ScreenDropSizeStrategy

A ScreenDropSizeStrategy is used by a ScreenDockStation to decide some details on how to drop a Dockable.

Author:

Benjamin Sigg

Field Summary

static ScreenDropSizeStrategy	CURRENT_SIZE The getDropSize(ScreenDockStation, Dockable) of a Dockable is always its current size when using this strategy.
static ScreenDropSizeStrategy	PREFERRED_SIZE This strategy always returns the preferred size of a Dockable.

Method Summary

Dimension	getAddSize(ScreenDockStation station, Dockable dockable) Called when dockable is added to station, but not by a drag and drop operation.
Dimension	getDropSize(ScreenDockStation station, Dockable dockable) Called when dockable is about to be dropped into station and the new size of dockable must be found.
void	install(ScreenDockStation station) Informs this strategy that is is used by station.
void	uninstall(ScreenDockStation station) Informs this strategy that it is no longer used by station.

Field Detail

CURRENT_SIZE

static final ScreenDropSizeStrategy CURRENT_SIZE

The getDropSize(ScreenDockStation, Dockable) of a Dockable is always its current size when using this strategy. This is the default strategy.

PREFERRED_SIZE

static final ScreenDropSizeStrategy PREFERRED_SIZE

This strategy always returns the preferred size of a Dockable.

Method Detail

install

void install(ScreenDockStation station)

Informs this strategy that is is used by station.

Parameters:

station - the station using this strategy

uninstall

void uninstall(ScreenDockStation station)

Informs this strategy that it is no longer used by station.

Parameters:

station - the station no longer using this strategy

getDropSize

Dimension getDropSize(ScreenDockStation station,
                      Dockable dockable)

Called when dockable is about to be dropped into station and the new size of dockable must be found.

Parameters:

station - the new parent of dockable

dockable - the item that is about to be dropped

Returns:

the new size of dockable. This size will be validated by the current BoundaryRestriction.

getAddSize

Dimension getAddSize(ScreenDockStation station,
                     Dockable dockable)

Called when dockable is added to station, but not by a drag and drop operation.

Parameters:

station - the new parent of dockable

dockable - the item that is about to be dropped

Returns:

the new size of dockable, usually this is the preferred size