javax.swing.AbstractAction

public abstract class javax.swing

AbstractAction

Java SE 6

Implements: Action, Cloneable, Serializable

Extended by: BasicDesktopPaneUI.CloseAction, BasicDesktopPaneUI.MaximizeAction, BasicDesktopPaneUI.MinimizeAction, BasicDesktopPaneUI.NavigateAction, BasicDesktopPaneUI.OpenAction, BasicFileChooserUI.ApproveSelectionAction, BasicFileChooserUI.CancelSelectionAction, BasicFileChooserUI.ChangeToParentDirectoryAction, BasicFileChooserUI.GoHomeAction, BasicFileChooserUI.NewFolderAction, BasicFileChooserUI.UpdateAction, BasicInternalFrameTitlePane.CloseAction, BasicInternalFrameTitlePane.IconifyAction, BasicInternalFrameTitlePane.MaximizeAction, BasicInternalFrameTitlePane.MoveAction, BasicInternalFrameTitlePane.RestoreAction, BasicInternalFrameTitlePane.SizeAction, BasicSliderUI.ActionScroller, BasicTreeUI.TreeCancelEditingAction, BasicTreeUI.TreeHomeAction, BasicTreeUI.TreeIncrementAction, BasicTreeUI.TreePageAction, BasicTreeUI.TreeToggleAction, BasicTreeUI.TreeTraverseAction, MetalFileChooserUI.DirectoryComboBoxAction, TextAction

This class provides default implementations for the JFC Action interface. Standard behaviors like the get and set methods for Action object properties (icon, text, and enabled) are defined here. The developer need only subclass this abstract class and define the actionPerformed method.

Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans^TM has been added to the java.beans package. Please see java.beans.XMLEncoder.

version 1.56 03/28/06

See also javax.swing.Action

Fields

protected boolean

enabled
Specifies whether action is enabled; the default is true.

protected SwingPropertyChangeSupport

changeSupport
If any PropertyChangeListeners have been registered, the changeSupport field describes them.

Constructors

public

AbstractAction()
Defines an Action object with a default description string and default icon.

public

AbstractAction(String name)
Defines an Action object with the specified description string and a default icon.

public

AbstractAction(String name, Icon icon)
Defines an Action object with the specified description string and a the specified icon.

Methods

public void

addPropertyChangeListener(PropertyChangeListener listener) Details

Adds a PropertyChangeListener to the listener list. The listener is registered for all properties.

A PropertyChangeEvent will get fired in response to setting a bound property, e.g. setFont, setBackground, or setForeground. Note that if the current component is inheriting its foreground, background, or font from its container, then no event will be fired in response to a change in the inherited property.

listener The PropertyChangeListener to be added

See also addPropertyChangeListener

protected Object

clone() throws CloneNotSupportedException
Clones the abstract action. This gives the clone its own copy of the key/value list, which is not handled for you by Object.clone().

protected void

firePropertyChange(String propertyName, Object oldValue, Object newValue)
Supports reporting bound property changes. This method can be called when a bound property has changed and it will send the appropriate PropertyChangeEvent to any registered PropertyChangeListeners.

public void

putValue(String key, Object newValue) Details

Sets the Value associated with the specified key.

key	the `String` that identifies the stored object
newValue	the `Object` to store using this key
See also	putValue

public void

removePropertyChangeListener(PropertyChangeListener listener) Details

Removes a PropertyChangeListener from the listener list. This removes a PropertyChangeListener that was registered for all properties.

listener	the `PropertyChangeListener` to be removed
See also	removePropertyChangeListener

Properties

public void

setEnabled(boolean newValue) Details

Enables or disables the action.

newValue	true to enable the action, false to disable it
See also	setEnabled

public boolean

isEnabled() Details

Returns true if the action is enabled.

return	true if the action is enabled, false otherwise
See also	isEnabled

public Object[]

getKeys() Details

Returns an array of Objects which are keys for which values have been set for this AbstractAction, or null if no keys have values set.

return	an array of key objects, or `null` if no keys have values set
since	1.3

public PropertyChangeListener[]

getPropertyChangeListeners() Details

Returns an array of all the PropertyChangeListeners added to this AbstractAction with addPropertyChangeListener().

return	all of the `PropertyChangeListener`s added or an empty array if no listeners have been added
since	1.4

public Object

getValue(String key) Details

Gets the Object associated with the specified key.

key	a string containing the specified `key`
return	the binding `Object` stored with this key; if there are no keys, it will return `null`
See also	getValue

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Java SE 6

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