metalcheckboxicon.java

Mobile 应用程序使用 Java Micro Edition (Java ME) 平台

/*
 * @(#)MetalCheckBoxIcon.java	1.18 05/11/17
 *
 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

package javax.swing.plaf.metal;

import javax.swing.*;

import java.awt.*;
import java.awt.event.*;
import java.io.*;
import javax.swing.plaf.*;

/**
 * CheckboxIcon implementation for OrganicCheckBoxUI
 * <p>
 * <strong>Warning:</strong>
 * Serialized objects of this class will not be compatible with
 * future Swing releases. The current serialization support is
 * appropriate for short term storage or RMI between applications running
 * the same version of Swing.  As of 1.4, support for long term storage
 * of all JavaBeans<sup><font size="-2">TM</font></sup>
 * has been added to the <code>java.beans</code> package.
 * Please see {@link java.beans.XMLEncoder}.
 *
 * @version 1.18 11/17/05
 * @author Steve Wilson
 */
public class MetalCheckBoxIcon implements Icon, UIResource, Serializable {

    protected int getControlSize() { return 13; }

    public void paintIcon(Component c, Graphics g, int x, int y) {

        JCheckBox cb = (JCheckBox)c;
	ButtonModel model = cb.getModel();
	int controlSize = getControlSize();

       	boolean drawCheck = model.isSelected();

	if (model.isEnabled()) {
	    if(cb.isBorderPaintedFlat()) {
		g.setColor(MetalLookAndFeel.getControlDarkShadow());
		g.drawRect(x+1, y, controlSize-1, controlSize-1);
	    }
   	    if (model.isPressed() && model.isArmed()) {
		if(cb.isBorderPaintedFlat()) {
		    g.setColor(MetalLookAndFeel.getControlShadow());
		    g.fillRect(x+2, y+1, controlSize-2, controlSize-2);
		} else {
		    g.setColor(MetalLookAndFeel.getControlShadow());
		    g.fillRect(x, y, controlSize-1, controlSize-1);
		    MetalUtils.drawPressed3DBorder(g, x, y, controlSize, controlSize);
		}
	    } else if(!cb.isBorderPaintedFlat()) {
	        MetalUtils.drawFlush3DBorder(g, x, y, controlSize, controlSize);
	    }
	    g.setColor( MetalLookAndFeel.getControlInfo() );
       	} else {
	    g.setColor( MetalLookAndFeel.getControlShadow() );
	    g.drawRect( x, y, controlSize-1, controlSize-1);
	}

	
	if(drawCheck) {
	    if (cb.isBorderPaintedFlat()) {
		x++;
	    }
	    drawCheck(c,g,x,y);
	}
    }

    protected void drawCheck(Component c, Graphics g, int x, int y) {
	int controlSize = getControlSize();
	g.fillRect( x+3, y+5, 2, controlSize-8 );
	g.drawLine( x+(controlSize-4), y+3, x+5, y+(controlSize-6) );
	g.drawLine( x+(controlSize-4), y+4, x+5, y+(controlSize-5) );
    }

    public int getIconWidth() {
        return getControlSize();
    }
       
    public int getIconHeight() {
        return getControlSize();
    }
 }