javax.swing.UIDefaults#LazyInputMap ( )源码实例Demo

@Override
public Object[] createLookAndFeelCustomizationKeysAndValues() {
    if (ThemeValue.functioning()) {
        return new Object[] {
            //XXX once the JDK team has integrated support for standard
            //UIManager keys into 1.5 (not there as of b47), these can 
            //probably be deleted, resulting in a performance improvement:
            "control", control,
            "controlHighlight", new ThemeValue (Region.PANEL, ThemeValue.LIGHT, Color.LIGHT_GRAY), //NOI18N
            "controlShadow", new ThemeValue (Region.PANEL, ThemeValue.DARK, Color.DARK_GRAY), //NOI18N
            "controlDkShadow", new ThemeValue (Region.PANEL, ThemeValue.BLACK, Color.BLACK), //NOI18N
            "controlLtHighlight", new ThemeValue (Region.PANEL, ThemeValue.WHITE, Color.WHITE), //NOI18N
            "textText", new ThemeValue (Region.PANEL, ColorType.TEXT_FOREGROUND, Color.BLACK), //NOI18N
            "text", new ThemeValue (Region.PANEL, ColorType.TEXT_BACKGROUND, Color.GRAY), //NOI18N
            
            "tab_unsel_fill", control, //NOI18N
             
            "SplitPane.dividerSize", new Integer (2),  //NOI18N
            
            SYSTEMFONT, controlFont, //NOI18N
            USERFONT, controlFont, //NOI18N
            MENUFONT, controlFont, //NOI18N
            LISTFONT, controlFont, //NOI18N
            "Label.font", controlFont, //NOI18N
            "Panel.font", controlFont, //NOI18N

            // workaround: GTKLookAndFeel FileChooser is unusable, cannot
            // choose a dir and doesn't look native anyway.  We force MetalFileChooserUI
                    
            "FileChooserUI", "javax.swing.plaf.metal.MetalFileChooserUI", // NOI18N
            "FileView.computerIcon",       javax.swing.plaf.metal.MetalIconFactory.getTreeComputerIcon(), // NOI18N
            "FileView.hardDriveIcon",      javax.swing.plaf.metal.MetalIconFactory.getTreeHardDriveIcon(), // NOI18N
            "FileView.floppyDriveIcon",    javax.swing.plaf.metal.MetalIconFactory.getTreeFloppyDriveIcon(), // NOI18N
            "FileChooser.newFolderIcon",   javax.swing.plaf.metal.MetalIconFactory.getFileChooserNewFolderIcon(), // NOI18N
            "FileChooser.upFolderIcon",    javax.swing.plaf.metal.MetalIconFactory.getFileChooserUpFolderIcon(), // NOI18N
            "FileChooser.homeFolderIcon",  javax.swing.plaf.metal.MetalIconFactory.getFileChooserHomeFolderIcon(), // NOI18N
            "FileChooser.detailsViewIcon", javax.swing.plaf.metal.MetalIconFactory.getFileChooserDetailViewIcon(), // NOI18N
            "FileChooser.listViewIcon",    javax.swing.plaf.metal.MetalIconFactory.getFileChooserListViewIcon(), // NOI18N
            "FileChooser.usesSingleFilePane", Boolean.TRUE, // NOI18N
            "FileChooser.ancestorInputMap", // NOI18N
                        new UIDefaults.LazyInputMap(new Object[] {
                            "ESCAPE", "cancelSelection", // NOI18N
                            "F2", "editFileName", // NOI18N
                            "F5", "refresh", // NOI18N
                            "BACK_SPACE", "Go Up", // NOI18N
                            "ENTER", "approveSelection", // NOI18N
                            "ctrl ENTER", "approveSelection" // NOI18N
                        }),
            // special tree icons - only for property sheet
            "Tree.gtk_expandedIcon", new GTKExpandedIcon(),
            "Tree.gtk_collapsedIcon", new GTKCollapsedIcon(),
        };
    } else {
        Object[] result = new Object[] {
            TOOLBAR_UI, new UIDefaults.ProxyLazyValue("org.netbeans.swing.plaf.gtk.GtkToolbarUI"), //NOI18N
            // special tree icons - only for property sheet
            "Tree.gtk_expandedIcon", new GTKExpandedIcon(),
            "Tree.gtk_collapsedIcon", new GTKCollapsedIcon(),
        };
        return result;
    }
}