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Interface com.sun.java.swing.text.Keymap
- public interface Keymap
A collection of bindings of KeyStrokes to actions. The
bindings are basically name-value pairs that potentially
resolve in a hierarchy.
-
addActionForKeyStroke(KeyStroke, Action)
- Adds a binding to the keymap.
-
getAction(KeyStroke)
- Fetches the action appropriate for the given symbolic
event sequence.
-
getBoundActions()
- Fetches all of the actions defined in this keymap.
-
getBoundKeyStrokes()
- Fetches all of the keystrokes in this map that
are bound to some action.
-
getDefaultAction()
- Fetches the default action to fire if a
key is typed (i.e.
-
getKeyStrokesForAction(Action)
- Fetches the keystrokes that will result in
the given action.
-
getName()
- Fetches the name of the set of key-bindings.
-
getResolveParent()
- Fetches the parent keymap used to resolve key-bindings.
-
isLocallyDefined(KeyStroke)
- Determines if the given key sequence is locally defined.
-
removeBindings()
-
Removes all bindings from the keymap.
-
removeKeyStrokeBinding(KeyStroke)
- Removes a binding from the keymap.
-
setDefaultAction(Action)
- Set the default action to fire if a key is typed.
-
setResolveParent(Keymap)
- Sets the parent keymap, which will be used to
resolve key-bindings.
getName
public abstract String getName()
- Fetches the name of the set of key-bindings.
- Returns:
- the name
getDefaultAction
public abstract Action getDefaultAction()
- Fetches the default action to fire if a
key is typed (i.e. a KEY_TYPED KeyEvent is received)
and there is no binding for it. Typically this
would be some action that inserts text so that
the keymap doesn't require an action for each
possible key.
- Returns:
- the default action
setDefaultAction
public abstract void setDefaultAction(Action a)
- Set the default action to fire if a key is typed.
- Parameters:
- a - the action
getAction
public abstract Action getAction(KeyStroke key)
- Fetches the action appropriate for the given symbolic
event sequence. This is used by JTextController to
determine how to interpret key sequences. If the
binding is not resolved locally, an attempt is made
to resolve through the parent keymap, if one is set.
- Parameters:
- key - the key sequence
- Returns:
- s the action associated with the key
sequence if one is defined, otherwise null
getBoundKeyStrokes
public abstract KeyStroke[] getBoundKeyStrokes()
- Fetches all of the keystrokes in this map that
are bound to some action.
- Returns:
- the list of keystrokes
getBoundActions
public abstract Action[] getBoundActions()
- Fetches all of the actions defined in this keymap.
- Returns:
- the list of actions
getKeyStrokesForAction
public abstract KeyStroke[] getKeyStrokesForAction(Action a)
- Fetches the keystrokes that will result in
the given action.
- Parameters:
- a - the action
- Returns:
- the list of keystrokes
isLocallyDefined
public abstract boolean isLocallyDefined(KeyStroke key)
- Determines if the given key sequence is locally defined.
- Parameters:
- key - the key sequence
- Returns:
- true if the key sequence is locally defined else false
addActionForKeyStroke
public abstract void addActionForKeyStroke(KeyStroke key,
Action a)
- Adds a binding to the keymap.
- Parameters:
- key - the key sequence
- a - the action
removeKeyStrokeBinding
public abstract void removeKeyStrokeBinding(KeyStroke keys)
- Removes a binding from the keymap.
- Parameters:
- keys - the key sequence
removeBindings
public abstract void removeBindings()
- Removes all bindings from the keymap.
getResolveParent
public abstract Keymap getResolveParent()
- Fetches the parent keymap used to resolve key-bindings.
- Returns:
- the keymap
setResolveParent
public abstract void setResolveParent(Keymap parent)
- Sets the parent keymap, which will be used to
resolve key-bindings.
- Parameters:
- parent - the parent keymap
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