Package bibliothek.gui.dock.facile.menu

Class RootMenuPiece

java.lang.Object

bibliothek.gui.dock.support.menu.MenuPiece

bibliothek.gui.dock.facile.menu.NodeMenuPiece

bibliothek.gui.dock.facile.menu.RootMenuPiece

public class RootMenuPiece
extends NodeMenuPiece

The root of a tree of MenuPieces. This MenuPiece is a direct representation of a JMenu

Author:

Benjamin Sigg

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
JMenu	getMenu()	Gets the menu into which this MenuPiece adds its items.
boolean	isDisableWhenEmpty()	Whether to disable the menu when it is empty or not.
boolean	isEnabled()	Tells whether the menu can be enabled or not.
void	setDisableWhenEmpty(boolean disableWhenEmpty)	Disables the menu if there are no items in the menu.
void	setEnabled(boolean enabled)	Enables or disables the menu.
void	setParent(MenuPiece parent)	Sets the parent of this piece.
protected void	updateEnabled()	Calls JMenuItem.setEnabled(boolean) with a parameter that is calculated using isDisableWhenEmpty(), NodeMenuPiece.getItemCount() and

Methods inherited from class bibliothek.gui.dock.facile.menu.NodeMenuPiece

add, bind, fill, getChild, getChildrenCount, getItemCount, insert, remove, remove, unbind

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

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

Methods inherited from class java.lang.Object

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

Constructor Details

RootMenuPiece

public RootMenuPiece()

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

RootMenuPiece

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

Creates a new root-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

RootMenuPiece

public RootMenuPiece(JMenu menu)

Creates a new root-piece.

Parameters:

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

Method Details

updateEnabled

protected void updateEnabled()

Calls JMenuItem.setEnabled(boolean) with a parameter that is calculated using isDisableWhenEmpty(), NodeMenuPiece.getItemCount() and

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

See Also:

• setEnabled(boolean)

setEnabled

public void setEnabled(boolean enabled)

Enables or disables the menu. If the argument is false, then the menu is disabled in any case. Otherwise the menu may be enabled or disabled depending on the value of isDisableWhenEmpty().

Parameters:

enabled - wether the menu should be enabled

See Also:

• setEnabled(boolean)

isEnabled

public boolean isEnabled()

Tells whether the menu can be enabled or not.

Returns:

true if the menu can 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

setParent

public void setParent(MenuPiece parent)

Description copied from class: MenuPiece

Sets the parent of this piece. Note that clients normally do not need to invoke this method.

Overrides:

setParent in class MenuPiece

Parameters:

parent - the parent, might be null