Package bibliothek.gui.dock.facile.menu

Class SubmenuPiece

java.lang.Object

bibliothek.gui.dock.support.menu.MenuPiece

bibliothek.gui.dock.facile.menu.SubmenuPiece

public class SubmenuPiece
extends MenuPiece

A MenuPiece which consists only of one JMenu. There is a new subtree attached to this SubmenuPiece.

Author:

Benjamin Sigg

Constructor Summary

Constructors

Constructor	Description
SubmenuPiece()	Creates a new submenu-piece, using a normal JMenu to inserts its content.
SubmenuPiece(String text, boolean disableWhenEmpty, MenuPiece... pieces)	Creates a new submenu-piece, using a normal JMenu.
SubmenuPiece(JMenu menu)	Creates a new submenu-piece.

Method Summary

Modifier and Type	Method	Description
void	bind()	This method is called if there is a possibility for the user to see this menu.
void	fill(List<Component> items)	Inserts all items of this piece into items.
int	getItemCount()	Gets the number of items this MenuPiece added to its menu.
JMenu	getMenu()	Gets the menu into which this MenuPiece adds its items.
RootMenuPiece	getRoot()	Gets the root of this subtree.
boolean	isDisableWhenEmpty()	Whether to disable the menu when it is empty or not.
boolean	isEnabled()	Tells whether the submenu could be enabled.
void	setDisableWhenEmpty(boolean disableWhenEmpty)	Disables the menu if there are no items in the menu.
void	setEnabled(boolean enabled)	Sets whether the submenu can be enabled.
void	unbind()	This method is called if the user has no longer any possibility to see this menu.

Methods inherited from class bibliothek.gui.dock.support.menu.MenuPiece

addListener, fireInsert, fireRemove, getParent, isBound, items, removeListener, setParent

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

SubmenuPiece

public SubmenuPiece()

Creates a new submenu-piece, using a normal JMenu to inserts its content.

SubmenuPiece

public SubmenuPiece(String text,
 boolean disableWhenEmpty,
 MenuPiece... pieces)

Creates a new submenu-piece, using a normal JMenu.

Parameters:

text - the text of the menu

disableWhenEmpty - whether to disable the menu when it is empty

pieces - the elements of this piece

SubmenuPiece

public SubmenuPiece(JMenu menu)

Creates a new submenu-piece.

Parameters:

menu - the menu into which this piece will insert its content

Method Details

bind

public void bind()

Description copied from class: MenuPiece

This method is called if there is a possibility for the user to see this menu. The menu should register listeners, update its text etc. to be ready for that event. This method must never be called twice in a row.

Overrides:

bind in class MenuPiece

See Also:

• MenuPiece.unbind()

unbind

public void unbind()

Description copied from class: MenuPiece

This method is called if the user has no longer any possibility to see this menu. The menu should unregister its listeners. This method must never be called twice in a row.

Overrides:

unbind in class MenuPiece

See Also:

• MenuPiece.bind()

fill

public void fill(List<Component> items)

Description copied from class: MenuPiece

Inserts all items of this piece into items.

Specified by:

fill in class MenuPiece

Parameters:

items - the list which has to be filled in the same order as the items will appear on the menu

getItemCount

public int getItemCount()

Description copied from class: MenuPiece

Gets the number of items this MenuPiece added to its menu.

Specified by:

getItemCount in class MenuPiece

Returns:

the number of items

setDisableWhenEmpty

public void setDisableWhenEmpty(boolean disableWhenEmpty)

Disables the menu if there are no items in the menu.

Parameters:

disableWhenEmpty - true if the menu should be disabled when empty

isDisableWhenEmpty

public boolean isDisableWhenEmpty()

Whether to disable the menu when it is empty or not.

Returns:

true if the menu gets disabled

setEnabled

public void setEnabled(boolean enabled)

Sets whether the submenu can be enabled. The actual state of the menu also depends on isDisableWhenEmpty().

Parameters:

enabled - whether the submenu can be enabled

isEnabled

public boolean isEnabled()

Tells whether the submenu could be enabled. The actual state of the menu also depends on isDisableWhenEmpty()

Returns:

whether the menu could be enabled

getMenu

public JMenu getMenu()

Description copied from class: MenuPiece

Gets the menu into which this MenuPiece adds its items.

Overrides:

getMenu in class MenuPiece

Returns:

the menu

getRoot

public RootMenuPiece getRoot()

Gets the root of this subtree.

Returns:

the root