ActionMap provides mappings from Objects (called keys or Action names) to Actions. An ActionMap is usually used with an InputMap to locate a particular action when a key is pressed. As with InputMap, an ActionMap can have a parent that is searched for keys not defined in the ActionMap. As with InputMap if you create a cycle, eg:
ActionMap am = new ActionMap(); ActionMap bm = new ActionMap(): am.setParent(bm); bm.setParent(am); some of the methods will cause a StackOverflowError to be thrown.
ActionMap provides mappings from Objects (called keys or Action names) to Actions. An ActionMap is usually used with an InputMap to locate a particular action when a key is pressed. As with InputMap, an ActionMap can have a parent that is searched for keys not defined in the ActionMap. As with InputMap if you create a cycle, eg: ActionMap am = new ActionMap(); ActionMap bm = new ActionMap(): am.setParent(bm); bm.setParent(am); some of the methods will cause a StackOverflowError to be thrown.
(->action-map)
Constructor.
Creates an ActionMap with no parent and no mappings.
Constructor. Creates an ActionMap with no parent and no mappings.
(all-keys this)
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.
returns: java.lang.Object[]
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. returns: `java.lang.Object[]`
(clear this)
Removes all the mappings from this ActionMap.
Removes all the mappings from this ActionMap.
(get this key)
Returns the binding for key, messaging the parent ActionMap if the binding is not locally defined.
key - java.lang.Object
returns: javax.swing.Action
Returns the binding for key, messaging the parent ActionMap if the binding is not locally defined. key - `java.lang.Object` returns: `javax.swing.Action`
(get-parent this)
Returns this ActionMap's parent.
returns: the ActionMap that is the parent of this one,
or null if this ActionMap has no parent - javax.swing.ActionMap
Returns this ActionMap's parent. returns: the ActionMap that is the parent of this one, or null if this ActionMap has no parent - `javax.swing.ActionMap`
(keys this)
Returns the Action names that are bound in this ActionMap.
returns: java.lang.Object[]
Returns the Action names that are bound in this ActionMap. returns: `java.lang.Object[]`
(put this key 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 - java.lang.Object
action - javax.swing.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 - `java.lang.Object` action - `javax.swing.Action`
(remove this key)
Removes the binding for key from this ActionMap.
key - java.lang.Object
Removes the binding for key from this ActionMap. key - `java.lang.Object`
(set-parent this map)
Sets this ActionMap's parent.
map - the ActionMap that is the parent of this one - javax.swing.ActionMap
Sets this ActionMap's parent. map - the ActionMap that is the parent of this one - `javax.swing.ActionMap`
(size this)
Returns the number of bindings in this ActionMap.
returns: the number of bindings in this ActionMap - int
Returns the number of bindings in this ActionMap. returns: the number of bindings in this ActionMap - `int`
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