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WhenĪn Action is set on a component, the following things Many of Swing's components have an Action property. You should take care to only use Actions where their benefitsĪre desired, and use simple ActionListeners elsewhere. Which does not offer the benefits of centralized control ofįunctionality and broadcast of property changes. In terms of storage than a typical ActionListener, Note that Action implementations tend to be more expensive The GUI controls can then be activated orĭeactivated all at once by invoking the Action object's This interface can be added to an existing class or used to create anĪdapter (typically, by subclassing AbstractAction).Ĭan then be added to multiple Action-aware containersĬomponents. Then know to disable event generation for that item and to modify the To separately disable the menu item and the toolbar button, theĪpplication can disable the function that implements this interface.Īll components which are registered as listeners for the state change The enabled/disabled state of the functionality.These icons can be usedįor the images in a menu control, or for composite entries in a more One or more icons that depict the function.These stringsĬan be used, for example, to display the flyover text for a button One or more text strings that describe the function.In addition to the actionPerformed method defined by theĪctionListener interface, this interface allows theĪpplication to define, in a single place:

Interface in cases where the same functionality may be accessed by The Action interface provides a useful extension to the