/*
 *                 Sun Public License Notice
 *
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 *
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Nokia. Portions Copyright 2004 Nokia. All Rights Reserved.
 */

package org.openide.awt;

import java.awt.image.BufferedImage;
import javax.swing.AbstractButton;
import javax.swing.AbstractAction;
import javax.swing.JButton;
import javax.swing.Icon;
import javax.swing.ImageIcon;

import org.openide.util.actions.SystemAction;

import org.netbeans.junit.*;
import junit.textui.TestRunner;

/**
 * Tests for the Actions class.
 * @author David Strupl
 */
public class ActionsTest extends NbTestCase {

    // colors of the testing images in this order:
    // testIcon.gif
    // testIcon_rollover.gif
    // testIcon_pressed.gif
    // testIcon_disabled.gif
    private static int[][] RESULT_COLORS = {
        {83, 155, 226 },
        {206, 132, 202}, 
        {216, 202, 130}, 
        {221, 130, 130}
    };
    
    public ActionsTest(String name) {
        super(name);
    }
    
    public static void main(String[] args) {
        TestRunner.run(new NbTestSuite(ActionsTest.class));
    }
    
    protected void setUp() throws Exception {
    }
    
    /**
     * Test whether pressed, rollover and disabled icons
     * work for SystemAction.
     */
    public void testIconsSystemAction() throws Exception {
        SystemAction saInstance = SystemAction.get(TestSystemAction.class);
        
        JButton jb = new JButton();
        Actions.connect(jb, saInstance);
        
        Icon icon = jb.getIcon();
        assertNotNull(icon);
        if (! isIconOk(icon, jb, RESULT_COLORS[0])) fail();
        
        Icon rolloverIcon = jb.getRolloverIcon();
        assertNotNull(rolloverIcon);
        if (! isIconOk(rolloverIcon, jb, RESULT_COLORS[1])) fail();
        
        Icon pressedIcon = jb.getPressedIcon();
        assertNotNull(pressedIcon);
        if (! isIconOk(pressedIcon, jb, RESULT_COLORS[2])) fail();
        
        Icon disabledIcon = jb.getDisabledIcon();
        assertNotNull(disabledIcon);
        if (! isIconOk(disabledIcon, jb, RESULT_COLORS[3])) fail();
    }
    
    /**
     * Test whether pressed, rollover and disabled icons
     * work for javax.swing.Action.
     */
    public void testIconsAction() throws Exception {
        JButton jb = new JButton();
        Actions.connect(jb, new TestAction());
        
        Icon icon = jb.getIcon();
        assertNotNull(icon);
        if (! isIconOk(icon, jb, RESULT_COLORS[0])) fail();
        
        Icon rolloverIcon = jb.getRolloverIcon();
        assertNotNull(rolloverIcon);
        if (! isIconOk(rolloverIcon, jb, RESULT_COLORS[1])) fail();
        
        Icon pressedIcon = jb.getPressedIcon();
        assertNotNull(pressedIcon);
        if (! isIconOk(pressedIcon, jb, RESULT_COLORS[2])) fail();
        
        Icon disabledIcon = jb.getDisabledIcon();
        assertNotNull(disabledIcon);
        if (! isIconOk(disabledIcon, jb, RESULT_COLORS[3])) fail();
    }
    
    /**
     * Checks colors on coordinates 0,0 of the icon and compares them
     * to expectedResult.
     */
    private boolean isIconOk(Icon icon, java.awt.Component c, int[] expectedResult) {
        BufferedImage bufImg = new BufferedImage(16, 16, BufferedImage.TYPE_INT_RGB);
        icon.paintIcon(c, bufImg.getGraphics(), 0, 0);
        int[] res = bufImg.getData().getPixel(0, 0, (int[])null);
        for (int i = 0; i < res.length; i++) {
            if (res[i] != expectedResult[i]) {
                return false;
            }
        }
        return true;
    }
    
    private static final class TestSystemAction extends SystemAction {
        
        public void actionPerformed(java.awt.event.ActionEvent e) {
        }
        
        public org.openide.util.HelpCtx getHelpCtx() {
            return null;
        }
        
        public String getName() {
            return "TestSystemAction";
        }
        
        protected String iconResource() {
            return "org/openide/awt/testIcon.gif";
        }
        
    }
    
    private static final class TestAction extends AbstractAction {
        
        public TestAction() {
            putValue("iconBase", "org/openide/awt/testIcon");
            putValue(NAME, "test");
        }
        
        public void actionPerformed(java.awt.event.ActionEvent e) {
        }
        
    }
}