FocusTraversalPolicy JDK 1.6)

Description

publicabstract abstract class FocusTraversalPolicy

A FocusTraversalPolicy defines the order in which Components with a particular focus cycle root are traversed.

See also: Container.setFocusTraversalPolicy(java.awt.FocusTraversalPolicy) Container.getFocusTraversalPolicy() Container.setFocusCycleRoot(boolean) Container.isFocusCycleRoot(java.awt.Container) Container.setFocusTraversalPolicyProvider(boolean) Container.isFocusTraversalPolicyProvider() KeyboardFocusManager.setDefaultFocusTraversalPolicy(java.awt.FocusTraversalPolicy) KeyboardFocusManager.getDefaultFocusTraversalPolicy()

Methods

Hide/Show inherited methods

publicabstract Component getComponentAfter (Container aContainer, Component aComponent)

Returns the Component that should receive the focus after aComponent.

publicabstract Component getComponentBefore (Container aContainer, Component aComponent)

Returns the Component that should receive the focus before aComponent.

publicabstract Component getDefaultComponent (Container aContainer)

Returns the default Component to focus.

publicabstract Component getFirstComponent (Container aContainer)

Returns the first Component in the traversal cycle.

public Component getInitialComponent (Window window)

Returns the Component that should receive the focus when a Window is made visible for the first time.

Returns the Component that should receive the focus when a Window is
made visible for the first time. Once the Window has been made visible
by a call to show() or setVisible(true), the
initial Component will not be used again. Instead, if the Window loses
and subsequently regains focus, or is made invisible or undisplayable
and subsequently made visible and displayable, the Window's most
recently focused Component will become the focus owner. The default
implementation of this method returns the default Component.
Returns: the Component that should receive the focus when window is made visible for the first time, or null if no suitable Component can be found
Parameters:
- window - the Window whose initial Component is to be returned
Throws:
- IllegalArgumentException - if window is null
See Also: FocusTraversalPolicy.getDefaultComponent(java.awt.Container), Window.getMostRecentFocusOwner(),

publicabstract Component getLastComponent (Container aContainer)

Returns the last Component in the traversal cycle.