/*
 * @(#)WindowsIconFactory.java	1.12 01/11/29
 *
 * Copyright 2002 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

package com.sun.java.swing.plaf.windows;

import javax.swing.*;
import javax.swing.plaf.UIResource;

import java.awt.Graphics;
import java.awt.Color;
import java.awt.Component;
import java.awt.Polygon;
import java.io.Serializable;

/**
 * Factory object that can vend Icons appropriate for the Windows L & F.
 * <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.  A future release of Swing will provide support for
 * long term persistence.
 *
 * @version 1.12 11/29/01
 * @author David Kloba
 * @author Georges Saab
 * @author Rich Schiavi
 */
public class WindowsIconFactory implements Serializable
{
    private static Icon frame_closeIcon;
    private static Icon frame_iconifyIcon;
    private static Icon frame_maxIcon;
    private static Icon frame_minIcon;
    private static Icon frame_resizeIcon;
    private static Icon checkBoxIcon;
    private static Icon radioButtonIcon;
    private static Icon checkBoxMenuItemIcon;
    private static Icon radioButtonMenuItemIcon;
    private static Icon menuItemCheckIcon;
    private static Icon menuItemArrowIcon;
    private static Icon menuArrowIcon;

    public static Icon getMenuItemCheckIcon() {
	if (menuItemCheckIcon == null) {
	    menuItemCheckIcon = new MenuItemCheckIcon();
	}
	return menuItemCheckIcon;
    }

    public static Icon getMenuItemArrowIcon() {
	if (menuItemArrowIcon == null) {
	    menuItemArrowIcon = new MenuItemArrowIcon();
	}
	return menuItemArrowIcon;
    }

    public static Icon getMenuArrowIcon() {
	if (menuArrowIcon == null) {
	    menuArrowIcon = new MenuArrowIcon();
	}
	return menuArrowIcon;
    }

    public static Icon getCheckBoxIcon() {
	if (checkBoxIcon == null) {
	    checkBoxIcon = new CheckBoxIcon();
	}
	return checkBoxIcon;
    }

    public static Icon getRadioButtonIcon() {
	if (radioButtonIcon == null) {
	    radioButtonIcon = new RadioButtonIcon();
	}
	return radioButtonIcon;
    }

    public static Icon getCheckBoxMenuItemIcon() {
	if (checkBoxMenuItemIcon == null) {
	    checkBoxMenuItemIcon = new CheckBoxMenuItemIcon();
	}
	return checkBoxMenuItemIcon;
    }

    public static Icon getRadioButtonMenuItemIcon() {
	if (radioButtonMenuItemIcon == null) {
	    radioButtonMenuItemIcon = new RadioButtonMenuItemIcon();
	}
	return radioButtonMenuItemIcon;
    }

    public static Icon createFrameCloseIcon() {
	if(frame_closeIcon == null)
	    frame_closeIcon = new CloseIcon();
	return frame_closeIcon;
    }

    public static Icon createFrameIconifyIcon() {
	if(frame_iconifyIcon == null)
	    frame_iconifyIcon = new IconifyIcon();
	return frame_iconifyIcon;
    }

    public static Icon createFrameMaximizeIcon() {
	if(frame_maxIcon == null)
	    frame_maxIcon = new MaximizeIcon();
	return frame_maxIcon;
    }

    public static Icon createFrameMinimizeIcon() {
	if(frame_minIcon == null)
	    frame_minIcon = new MinimizeIcon();
	return frame_minIcon;
    }

    public static Icon createFrameResizeIcon() {
	if(frame_resizeIcon == null)
	    frame_resizeIcon = new ResizeIcon();
	return frame_resizeIcon;
    }


        private static class CloseIcon implements Icon, Serializable {
            int height = 16;
            int width = 14;
            public void paintIcon(Component c, Graphics g, int x, int y) {
                g.setColor(Color.black);

                g.drawLine(4, 3, 10, 9);
                g.drawLine(5, 3, 11, 9);

                g.drawLine(10, 3, 4, 9);
                g.drawLine(11, 3, 5, 9);

            }
            public int getIconWidth() { return width; }
            public int getIconHeight() { return height; }
        };

        private static class IconifyIcon implements Icon, Serializable {
            int height = 16;
            int width = 14;
            public void paintIcon(Component c, Graphics g, int x, int y) {
                g.setColor(Color.black);
                g.drawRect(4, height - 7, 6, 1);
            }
            public int getIconWidth() { return width; }
            public int getIconHeight() { return height; }
        };

        private static class MaximizeIcon implements Icon, Serializable {
            int height = 16;
            int width = 14;
            public void paintIcon(Component c, Graphics g, int x, int y) {
                g.setColor(Color.black);
                g.drawRect(3, 2, 8, 8);
                g.drawLine(3, 3, 11, 3);
            }
            public int getIconWidth() { return width; }
            public int getIconHeight() { return height; }
        };

        private static class MinimizeIcon implements Icon, Serializable {
            int height = 16;
            int width = 14;
            public void paintIcon(Component c, Graphics g, int x, int y) {
                g.setColor(Color.black);
                g.drawRect(5, 2, 5, 5);
                g.drawLine(5, 3, 10, 3);

                g.drawRect(3, 5, 5, 5);
                g.drawLine(3, 6, 7, 6);

                g.setColor(UIManager.getColor("InternalFrame.minimizeIconBackground"));
                g.fillRect(4, 7, 4, 3);
            }
            public int getIconWidth() { return width; }
            public int getIconHeight() { return height; }
        };

        private static class ResizeIcon implements Icon, Serializable {
            public void paintIcon(Component c, Graphics g, int x, int y) {
                g.setColor(UIManager.getColor("InternalFrame.resizeIconHighlight"));
                g.drawLine(0, 11, 11, 0);
                g.drawLine(4, 11, 11, 4);
                g.drawLine(8, 11, 11, 8);

                g.setColor(UIManager.getColor("InternalFrame.resizeIconShadow"));
                g.drawLine(1, 11, 11, 1);
                g.drawLine(2, 11, 11, 2);
                g.drawLine(5, 11, 11, 5);
                g.drawLine(6, 11, 11, 6);
                g.drawLine(9, 11, 11, 9);
                g.drawLine(10, 11, 11, 10);
            }
            public int getIconWidth() { return 13; }
            public int getIconHeight() { return 13; }
        };

    private static class CheckBoxIcon implements Icon, Serializable
    {
	final static int csize = 13;
	public void paintIcon(Component c, Graphics g, int x, int y) {
	    AbstractButton b = (AbstractButton) c;
	    ButtonModel model = b.getModel();

	    // outer bevel
	    g.setColor(UIManager.getColor("CheckBox.background"));
	    g.fill3DRect(x, y, csize, csize, false);
		
	    // inner bevel
	    g.setColor(UIManager.getColor("CheckBox.shadow"));
	    g.fill3DRect(x+1, y+1, csize-2, csize-2, false);

		// inside box 
	    if((model.isPressed() && model.isArmed()) || !model.isEnabled()) {
		g.setColor(UIManager.getColor("CheckBox.background"));
	    } else {
		g.setColor(UIManager.getColor("CheckBox.highlight"));
	    }
	    g.fillRect(x+2, y+2, csize-4, csize-4);
		    
	    if(model.isEnabled()) {
		g.setColor(UIManager.getColor("CheckBox.darkShadow"));
	    } else {
		g.setColor(UIManager.getColor("CheckBox.shadow"));
	    }

	    // paint check
	    if (model.isSelected()) {
		g.drawLine(x+9, y+3, x+9, y+3);
		g.drawLine(x+8, y+4, x+9, y+4);
		g.drawLine(x+7, y+5, x+9, y+5);
		g.drawLine(x+6, y+6, x+8, y+6);
		g.drawLine(x+3, y+7, x+7, y+7);
		g.drawLine(x+4, y+8, x+6, y+8);
		g.drawLine(x+5, y+9, x+5, y+9);
		g.drawLine(x+3, y+5, x+3, y+5);
		g.drawLine(x+3, y+6, x+4, y+6);
	    }
	}

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

    private static class RadioButtonIcon implements Icon, UIResource, Serializable
    {
	public void paintIcon(Component c, Graphics g, int x, int y) {
	    AbstractButton b = (AbstractButton) c;
	    ButtonModel model = b.getModel();

	    // fill interior
	    if((model.isPressed() && model.isArmed()) || !model.isEnabled()) {
		g.setColor(UIManager.getColor("RadioButton.background"));
	    } else {
		g.setColor(UIManager.getColor("RadioButton.highlight"));
	    }
	    g.fillRect(x+2, y+2, 8, 8);
		
		
		// outter left arc
	    g.setColor(UIManager.getColor("RadioButton.shadow"));
	    g.drawLine(x+4, y+0, x+7, y+0);
	    g.drawLine(x+2, y+1, x+3, y+1);
	    g.drawLine(x+8, y+1, x+9, y+1);
	    g.drawLine(x+1, y+2, x+1, y+3);
	    g.drawLine(x+0, y+4, x+0, y+7);
	    g.drawLine(x+1, y+8, x+1, y+9);
 
	    // outter right arc
	    g.setColor(UIManager.getColor("RadioButton.highlight"));
	    g.drawLine(x+2, y+10, x+3, y+10);
	    g.drawLine(x+4, y+11, x+7, y+11);
	    g.drawLine(x+8, y+10, x+9, y+10);
	    g.drawLine(x+10, y+9, x+10, y+8);
	    g.drawLine(x+11, y+7, x+11, y+4);
	    g.drawLine(x+10, y+3, x+10, y+2);
 
 
	    // inner left arc
	    g.setColor(UIManager.getColor("RadioButton.darkShadow"));
	    g.drawLine(x+4, y+1, x+7, y+1);
	    g.drawLine(x+2, y+2, x+3, y+2);
	    g.drawLine(x+8, y+2, x+9, y+2);
	    g.drawLine(x+2, y+3, x+2, y+3);
	    g.drawLine(x+1, y+4, x+1, y+7);
	    g.drawLine(x+2, y+8, x+2, y+8);

 
	    // inner right arc
	    g.setColor(UIManager.getColor("RadioButton.background"));
	    g.drawLine(x+2,  y+9,  x+3,  y+9);
	    g.drawLine(x+4,  y+10, x+7,  y+10);
	    g.drawLine(x+8,  y+9,  x+9,  y+9);
	    g.drawLine(x+9,  y+8,  x+9,  y+8);
	    g.drawLine(x+10, y+7,  x+10, y+4);
	    g.drawLine(x+9,  y+3,  x+9,  y+3);
 
 
	    // indicate whether selected or not
	    if(model.isSelected()) {
		g.setColor(UIManager.getColor("RadioButton.darkShadow"));
		g.fillRect(x+4, y+5, 4, 2);
		g.fillRect(x+5, y+4, 2, 4);
	    } 
	}

	public int getIconWidth() {
	    return 13;
	}
		
	public int getIconHeight() {
	    return 13;
	}
    } // end class RadioButtonIcon


    private static class CheckBoxMenuItemIcon implements Icon, UIResource, Serializable
    {
	public void paintIcon(Component c, Graphics g, int x, int y) {
	    AbstractButton b = (AbstractButton) c;
	    ButtonModel model = b.getModel();
	    boolean isSelected = model.isSelected();
	    if (isSelected) {
		y = y - getIconHeight() / 2;
		g.drawLine(x+9, y+3, x+9, y+3);
		g.drawLine(x+8, y+4, x+9, y+4);
		g.drawLine(x+7, y+5, x+9, y+5);
		g.drawLine(x+6, y+6, x+8, y+6);
		g.drawLine(x+3, y+7, x+7, y+7);
		g.drawLine(x+4, y+8, x+6, y+8);
		g.drawLine(x+5, y+9, x+5, y+9);
		g.drawLine(x+3, y+5, x+3, y+5);
		g.drawLine(x+3, y+6, x+4, y+6);
	    }
	}
	public int getIconWidth() { return 9; }
	public int getIconHeight() { return 9; }

    } // End class CheckBoxMenuItemIcon

    
    private static class RadioButtonMenuItemIcon implements Icon, UIResource, Serializable
    {
	public void paintIcon(Component c, Graphics g, int x, int y) {
	    AbstractButton b = (AbstractButton) c;
	    ButtonModel model = b.getModel();
	    if (b.isSelected() == true) {
               g.fillArc(0,0,getIconWidth()-2, getIconHeight()-2, 0, 360);
	    }
	}
	public int getIconWidth() { return 12; }
	public int getIconHeight() { return 12; }

    } // End class RadioButtonMenuItemIcon


    private static class MenuItemCheckIcon implements Icon, UIResource, Serializable{
	public void paintIcon(Component c, Graphics g, int x, int y) {
	    /* For debugging:
	       Color oldColor = g.getColor();
	    g.setColor(Color.orange);
	    g.fill3DRect(x,y,getIconWidth(), getIconHeight(), true);
	    g.setColor(oldColor);
	    */
	}
	public int getIconWidth() { return 9; }
	public int getIconHeight() { return 9; }

    } // End class MenuItemCheckIcon

    private static class MenuItemArrowIcon implements Icon, UIResource, Serializable {
	public void paintIcon(Component c, Graphics g, int x, int y) {
	    /* For debugging:
	    Color oldColor = g.getColor();
	    g.setColor(Color.green);
	    g.fill3DRect(x,y,getIconWidth(), getIconHeight(), true);
	    g.setColor(oldColor);
	    */
	}
	public int getIconWidth() { return 4; }
	public int getIconHeight() { return 8; }

    } // End class MenuItemArrowIcon

    private static class MenuArrowIcon implements Icon, UIResource, Serializable {
	public void paintIcon(Component c, Graphics g, int x, int y) {
            g.translate(x,y);
            if( WindowsUtils.isLeftToRight(c) ) {
                g.drawLine( 0, 0, 0, 7 );
                g.drawLine( 1, 1, 1, 6 );
                g.drawLine( 2, 2, 2, 5 );
                g.drawLine( 3, 3, 3, 4 );
            } else {
                g.drawLine( 4, 0, 4, 7 );
                g.drawLine( 3, 1, 3, 6 );
                g.drawLine( 2, 2, 2, 5 );
                g.drawLine( 1, 3, 1, 4 );
            }
            g.translate(-x,-y);
	}
	public int getIconWidth() { return 4; }
	public int getIconHeight() { return 8; }
    } // End class MenuArrowIcon
}