public abstract class InternalFrameFocusTraversalPolicy extends FocusTraversalPolicy
Constructor and Description |
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InternalFrameFocusTraversalPolicy() |
Modifier and Type | Method and Description |
---|---|
Component |
getInitialComponent(JInternalFrame frame)
Returns the Component that should receive the focus when a
JInternalFrame is selected for the first time.
|
getComponentAfter, getComponentBefore, getDefaultComponent, getFirstComponent, getInitialComponent, getLastComponent
public Component getInitialComponent(JInternalFrame frame)
setSelected(true)
, the
initial Component will not be used again. Instead, if the JInternalFrame
loses and subsequently regains selection, or is made invisible or
undisplayable and subsequently made visible and displayable, the
JInternalFrame's most recently focused Component will become the focus
owner. The default implementation of this method returns the
JInternalFrame's default Component to focus.frame
- the JInternalFrame whose initial Component is to be
returnedIllegalArgumentException
- if window is nullJInternalFrame.getMostRecentFocusOwner()
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