g2d.swing

Class IOPMenuItem

java.lang.Object

g2d.swing.IOPMenuItem

public class IOPMenuItem
extends java.lang.Object

Implements one menu item used in text menus.

Author:

linda

See Also:

IOPTextMenu

Constructor Summary

Constructors

Constructor and Description
IOPMenuItem(java.lang.String s) Construct new menu item with text to display (must be non-null) but no associated closure.
IOPMenuItem(java.lang.String s, Closure c) Construct new menu item with text to display (must be non-null) and the associated closure (can be null).
IOPMenuItem(java.lang.String s, Closure c, char key) Construct new menu item with text to display (must be non-null) and the associated closure (can be null) and a given key as short cut.

Method Summary

Modifier and Type	Method and Description
boolean	doAction(java.lang.Object source, java.lang.Object event) Execute associated action with this item if it is currently set.
boolean	equals(java.lang.Object o)
java.lang.Character	getShortcut()
int	hashCode()
void	setAction(Closure c) Set action associated with this menu item.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

IOPMenuItem

public IOPMenuItem(java.lang.String s)

Construct new menu item with text to display (must be non-null) but no associated closure.

Parameters:

s - Text to display for this menu item

IOPMenuItem

public IOPMenuItem(java.lang.String s,
                   Closure c)

Construct new menu item with text to display (must be non-null) and the associated closure (can be null).

Parameters:

s - Text to display for this menu item

c - Closure to invoke when menu item gets activated

IOPMenuItem

public IOPMenuItem(java.lang.String s,
                   Closure c,
                   char key)

Construct new menu item with text to display (must be non-null) and the associated closure (can be null) and a given key as short cut.

Parameters:

s - Text to display for this menu item

c - Closure to invoke when menu item gets activated

key - Character to be used as short cut

Method Detail

getShortcut

public java.lang.Character getShortcut()

setAction

public void setAction(Closure c)

Set action associated with this menu item. The given closure must have arity 2 or it will not get changed.

Parameters:

c - Closure to invoke when menu item gets activated

doAction

public boolean doAction(java.lang.Object source,
                        java.lang.Object event)

Execute associated action with this item if it is currently set. Then, return true. Otherwise do nothing and return false.

Parameters:

source - Object that is source of applied closure

event - Object that is event to which closure reacts

Returns:

True if action could apply closure, false otherwise

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object