/*
 * @(#)InactivatableColorUIResource.java  
 *
 * Copyright (c) 2007-2010 Werner Randelshofer, Immensee, Switzerland.
 * All rights reserved.
 *
 * You may not use, copy or modify this file, except in compliance with the
 * license agreement you entered into with Werner Randelshofer.
 * For details see accompanying license terms.
 */

package ch.randelshofer.quaqua.color;

import java.awt.*;
import java.awt.geom.*;
import java.awt.image.*;
import javax.swing.plaf.UIResource;

/**
 * InactivatableColorUIResource is a color, that can be rendered using an
 * an active state and an inactive state.
 *
 * @author Werner Randelshofer
 * @version $Id: InactivatableColorUIResource.java 399 2011-07-24 07:43:24Z wrandelshofer $
 */
public class InactivatableColorUIResource extends PaintableColor implements UIResource {
    private boolean isActive;
    private Color active;
    private Color inactive;
    private boolean isTransparent;
    
    /** Creates a new instance. */
    public InactivatableColorUIResource(int activeRGB, int inactiveRGB) {
        super(activeRGB);
        this.active = new Color(activeRGB);
        this.inactive = new Color(inactiveRGB);
    }
    public InactivatableColorUIResource(int activeRGB, int inactiveRGB, boolean hasAlpha) {
        super(activeRGB, hasAlpha);
        this.active = new Color(activeRGB, hasAlpha);
        this.inactive = new Color(inactiveRGB, hasAlpha);
    }
    public InactivatableColorUIResource(Color active, Color inactive) {
        super(active.getRGB(), true);
        this.active = active;
        this.inactive = inactive;
    }
    
    public void setActive(boolean newValue) {
        isActive = newValue;
    }
    public void setTransparent(boolean newValue) {
        isTransparent = newValue;
    }
    
    @Override
    public int getTransparency() {
        return (isTransparent) ? Paint.TRANSLUCENT : super.getTransparency();
    }
    
    @Override
    public int getAlpha() {
        return (isTransparent) ? 0x0 : super.getAlpha();
    }
    
    @Override
    public int getRGB() {
        return (isTransparent) ? 0x0 : ((isActive) ? active.getRGB() : inactive.getRGB());
        
    }
    
    @Override
    public PaintContext createContext(ColorModel cm, Rectangle r, Rectangle2D r2d, AffineTransform xform, RenderingHints hints) {
        return (isActive) ? active.createContext(cm, r, r2d, xform, hints)
                : inactive.createContext(cm, r, r2d, xform, hints)
                ;
    }

    @Override
    public Paint getPaint(Component c, int x, int y, int width, int height) {
       Color clr=(isActive) ? active
                : inactive;
       if (clr instanceof PaintableColor) {
           return ((PaintableColor)clr).getPaint(c,x,y,width,height);
       } else {
           return clr;
       }
    }
    
}