MenuItemIconFactory.java

/*******************************************************************************
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Tiny Look and Feel * * (C) Copyright 2003 - 2007 Hans Bickel * * For
 * licensing information and credits, please refer to the * comment in file
 * de.muntjak.tinylookandfeel.TinyLookAndFeel * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 */

package de.muntjak.tinylookandfeel;


import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import java.io.Serializable;

import javax.swing.ButtonModel;
import javax.swing.Icon;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.plaf.UIResource;


/**
 * MenuItemIconFactory
 * 
 * @version 1.0
 * @author Hans Bickel
 */
@SuppressWarnings (
{ "all" } )
public class MenuItemIconFactory implements Serializable
{

  private static Icon checkBoxMenuItemIcon;


  private static Icon radioButtonMenuItemIcon;


  private static Icon menuArrowIcon;


  static private final Dimension menuCheckIconSize = new Dimension ( 10, 10 );


  static private final Dimension menuArrowIconSize = new Dimension ( 4, 8 );


  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 getMenuArrowIcon ()
  {
    if ( menuArrowIcon == null )
    {
      menuArrowIcon = new MenuArrowIcon ();
    }

    return menuArrowIcon;
  }


  private static class CheckBoxMenuItemIcon implements Icon, UIResource,
      Serializable
  {

    public void paintIcon ( Component c, Graphics g, int x, int y )
    {
      JMenuItem item = ( JMenuItem ) c;
      ButtonModel model = item.getModel ();

      boolean isSelected = model.isSelected ();
      if ( !isSelected )
        return;

      boolean isEnabled = model.isEnabled ();
      boolean isPressed = model.isPressed ();
      boolean isArmed = model.isArmed ();

      g.translate ( x, y );

      if ( isEnabled )
      {
        if ( model.isArmed () || ( c instanceof JMenu && model.isSelected () ) )
        {
          // rollover
          g.setColor ( Theme.menuIconRolloverColor [ Theme.style ].getColor () );
        }
        else
        {
          // !rollover
          g.setColor ( Theme.menuIconColor [ Theme.style ].getColor () );
        }
      }
      else
      {
        // disabled
        g.setColor ( Theme.menuIconDisabledColor [ Theme.style ].getColor () );
      }

      // paint arrow
      g.drawLine ( 2, 4, 2, 6 );
      g.drawLine ( 3, 5, 3, 7 );
      g.drawLine ( 4, 6, 4, 8 );
      g.drawLine ( 5, 5, 5, 7 );
      g.drawLine ( 6, 4, 6, 6 );
      g.drawLine ( 7, 3, 7, 5 );
      g.drawLine ( 8, 2, 8, 4 );

      if ( !isEnabled && Theme.derivedStyle [ Theme.style ] == Theme.W99_STYLE )
      {
        // white shadow
        g.setColor ( Theme.menuIconShadowColor [ Theme.style ].getColor () );
        g.drawLine ( 9, 3, 9, 5 );
        g.drawLine ( 8, 5, 8, 6 );
        g.drawLine ( 7, 6, 7, 7 );
        g.drawLine ( 6, 7, 6, 8 );
        g.drawLine ( 5, 8, 5, 9 );
      }

      g.translate ( -x, -y );
    }


    public int getIconWidth ()
    {
      return menuCheckIconSize.width;
    }


    public int getIconHeight ()
    {
      return menuCheckIconSize.height;
    }
  }


  private static class RadioButtonMenuItemIcon implements Icon, UIResource,
      Serializable
  {

    public void paintIcon ( Component c, Graphics g, int x, int y )
    {
      JMenuItem b = ( JMenuItem ) c;
      ButtonModel model = b.getModel ();

      boolean isSelected = model.isSelected ();
      boolean isEnabled = model.isEnabled ();
      boolean isPressed = model.isPressed ();
      boolean isArmed = model.isArmed ();

      g.translate ( x, y );

      if ( isEnabled )
      {
        if ( isPressed || isArmed )
        {
          // rollover
          g.setColor ( Theme.menuIconRolloverColor [ Theme.style ].getColor () );
        }
        else
        {
          // !rollover
          g.setColor ( Theme.menuIconColor [ Theme.style ].getColor () );
        }
      }
      else
      {
        // disabled
        g.setColor ( Theme.menuIconDisabledColor [ Theme.style ].getColor () );
      }

      // draw circle
      g.drawLine ( 3, 0, 6, 0 );
      g.drawLine ( 9, 3, 9, 6 );
      g.drawLine ( 3, 9, 6, 9 );
      g.drawLine ( 0, 3, 0, 6 );
      g.drawLine ( 1, 1, 2, 1 );
      g.drawLine ( 7, 1, 8, 1 );
      g.drawLine ( 1, 8, 2, 8 );
      g.drawLine ( 7, 8, 8, 8 );
      g.drawLine ( 1, 2, 1, 2 );
      g.drawLine ( 8, 2, 8, 2 );
      g.drawLine ( 1, 7, 1, 7 );
      g.drawLine ( 8, 7, 8, 7 );

      if ( isSelected )
      {
        // draw check
        g.drawLine ( 4, 3, 5, 3 );
        g.drawLine ( 3, 4, 6, 4 );
        g.drawLine ( 3, 5, 6, 5 );
        g.drawLine ( 4, 6, 5, 6 );
      }

      g.translate ( -x, -y );
    }


    public int getIconWidth ()
    {
      return menuCheckIconSize.width;
    }


    public int getIconHeight ()
    {
      return menuCheckIconSize.height;
    }
  }


  private static class MenuArrowIcon implements Icon, UIResource, Serializable
  {

    public void paintIcon ( Component c, Graphics g, int x, int y )
    {
      JMenuItem b = ( JMenuItem ) c;
      ButtonModel model = b.getModel ();

      g.translate ( x, y );

      if ( !model.isEnabled () )
      {
        g.setColor ( Theme.menuDisabledFgColor [ Theme.style ].getColor () );
      }
      else
      {
        if ( model.isArmed () || ( c instanceof JMenu && model.isSelected () ) )
        {
          g.setColor ( Theme.menuSelectedTextColor [ Theme.style ].getColor () );
        }
        else
        {
          g.setColor ( b.getForeground () );
        }
      }
      if ( c.getComponentOrientation ().isLeftToRight () )
      {
        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 menuArrowIconSize.width;
    }


    public int getIconHeight ()
    {
      return menuArrowIconSize.height;
    }
  }
}