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Java™ Platform Standard Ed. 7 DRAFT internal-b23 |
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java.lang.Objectjava.awt.FocusTraversalPolicy
javax.swing.InternalFrameFocusTraversalPolicy
public abstract class InternalFrameFocusTraversalPolicy
A FocusTraversalPolicy which can optionally provide an algorithm for determining a JInternalFrame's initial Component. The initial Component is the first to receive focus when the JInternalFrame is first selected. By default, this is the same as the JInternalFrame's default Component to focus.
Constructor Summary | |
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InternalFrameFocusTraversalPolicy()
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Method Summary | |
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Component |
getInitialComponent(JInternalFrame frame)
Returns the Component that should receive the focus when a JInternalFrame is selected for the first time. |
Methods inherited from class java.awt.FocusTraversalPolicy |
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getComponentAfter, getComponentBefore, getDefaultComponent, getFirstComponent, getInitialComponent, getLastComponent |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public InternalFrameFocusTraversalPolicy()
Method Detail |
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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
returned
IllegalArgumentException
- if window is nullJInternalFrame.getMostRecentFocusOwner()
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Java™ Platform Standard Ed. 7 DRAFT internal-b23 |
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Copyright 2007 Sun Microsystems, Inc. All Rights Reserved. Use is subject to license terms.