| /* LookAndFeel.java -- |
| Copyright (C) 2002, 2004 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package javax.swing; |
| |
| import java.awt.Component; |
| import java.awt.Toolkit; |
| |
| import javax.swing.text.JTextComponent; |
| |
| public abstract class LookAndFeel |
| { |
| /** |
| * This method is called once by UIManager.setLookAndFeel to create |
| * the look and feel specific defaults table. |
| * |
| * @return the UI defaults |
| */ |
| public UIDefaults getDefaults() |
| { |
| return null; |
| } |
| |
| public abstract String getDescription(); |
| |
| public static Object getDesktopPropertyValue(String systemPropertyName, Object fallbackValue) |
| { |
| Object value = Toolkit.getDefaultToolkit().getDesktopProperty(systemPropertyName); |
| return value != null ? value : fallbackValue; |
| } |
| |
| public abstract String getID(); |
| |
| public abstract String getName(); |
| |
| /** |
| * Returns true when the Look and Feel supports window decorations, |
| * false others. This method returns always false and needs to be overwritten |
| * when the derived Look and Feel supports this. |
| * |
| * @return false |
| * |
| * @since 1.4 |
| */ |
| public boolean getSupportsWindowDecorations() |
| { |
| return false; |
| } |
| |
| /** |
| * UIManager.setLookAndFeel calls this method before the first call |
| * (and typically the only call) to getDefaults(). |
| */ |
| public void initialize() |
| { |
| } |
| |
| /** |
| * Convenience method for installing a component's default Border object |
| * on the specified component if either the border is currently null |
| * or already an instance of UIResource. |
| */ |
| public static void installBorder(JComponent c, String defaultBorderName) |
| { |
| } |
| |
| /** |
| * Convenience method for initializing a component's foreground and |
| * background color properties with values from the current defaults table. |
| */ |
| public static void installColors(JComponent c, String defaultBgName, String defaultFgName) |
| { |
| } |
| |
| /** |
| * Convenience method for initializing a components foreground background |
| * and font properties with values from the current defaults table. |
| */ |
| public static void installColorsAndFont(JComponent component, |
| String defaultBgName, |
| String defaultFgName, |
| String defaultFontName) |
| { |
| } |
| |
| public abstract boolean isNativeLookAndFeel(); |
| |
| public abstract boolean isSupportedLookAndFeel(); |
| |
| /** |
| * Loads the bindings in keys into retMap. |
| */ |
| public static void loadKeyBindings(InputMap retMap, Object[] keys) |
| { |
| } |
| |
| /** |
| * Creates a ComponentInputMap from keys. |
| */ |
| public static ComponentInputMap makeComponentInputMap(JComponent c, |
| Object[] keys) |
| { |
| return null; |
| } |
| |
| /** |
| * Utility method that creates a UIDefaults.LazyValue that creates an |
| * ImageIcon UIResource for the specified gifFile filename. |
| */ |
| public static Object makeIcon(Class baseClass, String gifFile) |
| { |
| return null; |
| } |
| |
| /** |
| * Creates a InputMap from keys. |
| */ |
| public static InputMap makeInputMap(Object[] keys) |
| { |
| return null; |
| } |
| |
| /** |
| * Convenience method for building lists of KeyBindings. |
| */ |
| public static JTextComponent.KeyBinding[] makeKeyBindings(Object[] keyBindingList) |
| { |
| return null; |
| } |
| |
| /** |
| * Invoked when the user attempts an invalid operation. The default implement |
| * just beeps. Subclasses that wish to change this need to override this |
| * method. |
| * |
| * @param component the component the error occured in |
| */ |
| public void provideErrorFeedback(Component component) |
| { |
| Toolkit.getDefaultToolkit().beep(); |
| } |
| |
| /** |
| * Returns a string that displays and identifies this object's properties. |
| * |
| * @return the string "LookAndFeel" |
| */ |
| public String toString() |
| { |
| return "LookAndFeel"; |
| } |
| |
| /** |
| * UIManager.setLookAndFeel calls this method just before we're replaced by |
| * a new default look and feel. |
| */ |
| public void uninitialize() |
| { |
| } |
| |
| /** |
| * Convenience method for un-installing a component's default border on the |
| * specified component if the border is currently an instance of UIResource. |
| */ |
| public static void uninstallBorder(JComponent c) |
| { |
| } |
| } |