lookandfeel.java

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/* LookAndFeel.java -- 
   Copyright (C) 2002 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 javax.swing.text.*;

public abstract class LookAndFeel
{
    public UIDefaults getDefaults()
    {
	//This method is called once by UIManager.setLookAndFeel to create the look and feel specific defaults table.
	return null;
    }

    public abstract  String getDescription();  
    public abstract  String getID();
    public abstract  String getName();

    public void initialize()
    {
	//UIManager.setLookAndFeel calls this method before the first call (and typically the only call) to getDefaults(). 
    }

    static void installBorder(JComponent c, String defaultBorderName)
    {
	//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 installColors(JComponent c, String defaultBgName, String defaultFgName)
    {
	//Convenience method for initializing a component's foreground and background color properties with values from the current defaults table. 
    }

    public static void installColorsAndFont(JComponent c, String defaultBgName, String defaultFgName, String defaultFontName)
    {
	//Convenience method for initializing a components foreground background and font properties with values from the current defaults table. 
    }
  
    public abstract  boolean isNativeLookAndFeel();
    public abstract  boolean isSupportedLookAndFeel();

    public static void loadKeyBindings(InputMap retMap, Object[] keys)
    {
	//Loads the bindings in keys into retMap. 
    }

    public static ComponentInputMap makeComponentInputMap(JComponent c, Object[] keys)
    {
	//    Creates a ComponentInputMap from keys. 
	return null;
    }  

    public static Object makeIcon(Class baseClass, String gifFile)
    {
	//Utility method that creates a UIDefaults.LazyValue that creates an ImageIcon UIResource for the specified gifFile filename. 
	return null;
    }
  
    public static InputMap makeInputMap(Object[] keys)
    {
	//Creates a InputMap from keys. 
	return null;
    }

    public static JTextComponent.KeyBinding[] makeKeyBindings(Object[] keyBindingList)
    {
	//        Convenience method for building lists of KeyBindings.  
	return null;
    }

  
    public String toString()
    {
	//Returns a string that displays and identifies this object's properties. 
	return "LookAndFeel";
    }
  
    public void uninitialize()
    {
	//UIManager.setLookAndFeel calls this method just before we're replaced by a new default look and feel. 
    }

  
    public static void uninstallBorder(JComponent c)
    {
	//Convenience method for un-installing a component's default border on the specified component if the border is currently an instance of UIResource.
    }

}