javax.swing.plaf.basic
Class BasicViewportUI
contains, createUI, getAccessibleChild, getAccessibleChildrenCount, getMaximumSize, getMinimumSize, getPreferredSize, installUI, paint, uninstallUI, update |
clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait |
createUI
public static ComponentUI createUI(JComponent c)
Creates a delegate object for the specified component. Users
should use the createUI method of a suitable
subclass. The implementation of ComponentUI
always throws an error.
- createUI in interface ComponentUI
c - the component for which a UI delegate is requested.
installUI
public void installUI(JComponent c)
Sets up the specified component so it conforms the the design
guidelines of the implemented look and feel. When the look and
feel changes, a
ComponentUI delegate is created.
The delegate object then receives an
installUI
message.
This method should perform the following tasks:
- Set visual properties such as borders, fonts, colors, or
icons. However, no change should be performed for those
properties whose values have been directly set by the client
application. To allow the distinction, LookAndFeels are expected
to use values that implement the
UIResource marker
interface, such as BorderUIResource or ColorUIResource. - If necessary, install a
LayoutManager. - Embed custom sub-components. For instance, the UI delegate
for a
JSplitPane might install a special
component for the divider. - Register event listeners.
- Set up properties related to keyborad navigation, such as
mnemonics or focus traversal policies.
- installUI in interface ComponentUI
c - the component for which this delegate will provide
services.
BasicViewportUI.java --
Copyright (C) 2002, 2004 Free Software Foundation, Inc.
This file is part of GNU Classpath.
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