/*
 * Copyright (C) 2015 Jack Jiang(cngeeker.com) The BeautyEye Project. 
 * All rights reserved.
 * Project URL:https://github.com/JackJiang2011/beautyeye
 * Version 3.6
 * 
 * Jack Jiang PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 * 
 * BEMenuItemUI.java at 2015-2-1 20:25:38, original version by Jack Jiang.
 * You can contact author with [email protected].
 */

package org.jb2011.lnf.beautyeye.ch9_menu;

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;

import javax.swing.ButtonModel;
import javax.swing.JComponent;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.basic.BasicMenuItemUI;

// TODO: Auto-generated Javadoc
/**
 * JMenuItem的UI实现类。.
 *
 * @author Jack Jiang([email protected])
 */
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 一些说明 Start
//特别注意：BasicMenuItemUI中针对Vista及后来的Windows版本预设了很多其它LNF不需要的属性，
//预设的属性详见BasicMenuItemUI及WindowsLookAndFeel中的initVistaComponentDefaults(..)方法.
//这些属性只能会在vista及更新的windows平台上过运行时才会起效，所以除此之外的windows测不出来,
//容易出现ui视觉差异.
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 一些说明 END
public class BEMenuItemUI extends BasicMenuItemUI//WindowsMenuItemUI
{
	
	/** 是否强制单项透明(当强制不透明时，在普通状态下该item将不会被绘制背景）. */
	private static boolean enforceTransparent = true;// TODO 可以提炼成UI属性
	
	/**
	 * Creates the ui.
	 *
	 * @param c the c
	 * @return the component ui
	 */
	public static ComponentUI createUI(JComponent c)
	{
		return new BEMenuItemUI();
	}


	/* (non-Javadoc)
	 * @see javax.swing.plaf.basic.BasicMenuItemUI#paintBackground(java.awt.Graphics, javax.swing.JMenuItem, java.awt.Color)
	 */
	@Override
	protected void paintBackground(Graphics g, JMenuItem menuItem, Color bgColor)
	{
		// see parent!
		ButtonModel model = menuItem.getModel();
		Color oldColor = g.getColor();
		int menuWidth = menuItem.getWidth();
		int menuHeight = menuItem.getHeight();
		
		Graphics2D g2 = (Graphics2D)g;
		
		if (model.isArmed()
				|| (menuItem instanceof JMenu && model.isSelected()))
		{
			//菜单项的样式绘制(用NinePatch图来填充)
			__Icon9Factory__.getInstance().getBgIcon_ItemSelected()
					.draw(g2, 0, 0, menuWidth, menuHeight);
		}
		else
		{
			if(!enforceTransparent)
			{
				g.setColor(menuItem.getBackground());
				g.fillRect(0, 0, menuWidth, menuHeight);
			}
		}
		g.setColor(oldColor);
	}
}