org.jfree.ui.action
Class DowngradeActionMap
java.lang.Object
org.jfree.ui.action.DowngradeActionMap
An actionmap, which is JDK 1.2.2 compatible.
This implementation does not implement the ActionMap interface of
JDK 1.3 or higher to maintain the compatibility with JDK 1.2 which
does not know this interface.
The usage is still the same.
Object[] | allKeys() - Returns an array of the keys defined in this
ActionMap and
its parent.
|
void | clear() - Removes all the mappings from this
ActionMap .
|
Action | get(Object key) - Returns the binding for
key , messaging the
parent ActionMap if the binding is not locally defined.
|
DowngradeActionMap | getParent() - Returns this
ActionMap 's parent.
|
Object[] | keys() - Returns the
Action names that are bound in this ActionMap .
|
void | put(Object key, Action action) - Adds a binding for
key to action .
|
void | remove(Object key) - Removes the binding for
key from this ActionMap .
|
void | setParent(DowngradeActionMap map) - Sets this
ActionMap 's parent.
|
int | size() - Returns the number of bindings.
|
DowngradeActionMap
public DowngradeActionMap()
Default Constructor. Creates a new empty map.
allKeys
public Object[] allKeys()
Returns an array of the keys defined in this ActionMap
and
its parent. This method differs from keys()
in that
this method includes the keys defined in the parent.
- all keys of this map and all parents.
clear
public void clear()
Removes all the mappings from this ActionMap
.
get
public Action get(Object key)
Returns the binding for key
, messaging the
parent ActionMap
if the binding is not locally defined.
key
- the key to be queried.
- the action for this key, or null if there is no such action.
getParent
public DowngradeActionMap getParent()
Returns this ActionMap
's parent.
- the
ActionMap
that is the parent of this one,
or null if this ActionMap
has no parent
keys
public Object[] keys()
Returns the Action
names that are bound in this ActionMap
.
- the keys which are directly bound to this map.
put
public void put(Object key,
Action action)
Adds a binding for
key
to
action
.
If
action
is null, this removes the current binding
for
key
.
In most instances,
key
will be
action.getValue(NAME)
.
key
- the key for the action.action
- the action to be added.
remove
public void remove(Object key)
Removes the binding for key
from this ActionMap
.
key
- the key to be removed.
setParent
public void setParent(DowngradeActionMap map)
Sets this ActionMap
's parent.
map
- the ActionMap
that is the parent of this one
size
public int size()
Returns the number of bindings.
- the number of entries in this map.