package com.vci.client.uif.engine.client.compare.dialog;

import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.BorderFactory;
import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.border.BevelBorder;
import javax.swing.border.Border;

/**
 * 无边框按钮
 * 建议使用20x15大小的图片
 * @author VCI-STGK006
 *
 */
public class CompareDialogNoBorderButton extends JButton {
	
	/**
	 * serialVersionUID
	 */
	private static final long serialVersionUID = 2467215220113221419L;
	
	/**
	 * 判断按钮是否被选中
	 */
	private boolean click = false;
	
	/**
	 * 是否可以被选择
	 */
	private boolean select = false;

	/**
	 * Empty 边框
	 * 如果边框宽度为0，
	 * 导致在设置其它边框是按钮的大小发生变化
	 * 会出现按钮跳动的情况
	 */
	private Border border = BorderFactory.createEmptyBorder(2, 2, 2, 2);
	
	/**
	 * bevel边框
	 */
	Border bevelBorder = BorderFactory.createBevelBorder(BevelBorder.LOWERED);
	
	private Border roverBorder = BorderFactory.createLineBorder(Color.BLACK);

	/**
	 * 构造器
	 * @param icon 图片
	 */
	public CompareDialogNoBorderButton(Icon icon) {
		this(icon, false);
	}
	
	/**
	 * 构造器
	 * @param icon
	 * @param select 是否可以被选择，
	 *        如果为true当点击后会有选中效果
	 */
	public CompareDialogNoBorderButton(Icon icon, boolean select) {
		super(icon);
		this.select = select;
		setStyle();
	}
	
	/**
	 * 构造器
	 * @param text 文字
	 * @param icon 图片
	 */
	private CompareDialogNoBorderButton(String text, Icon icon) {
		super(text, icon);
		setStyle();
	}
	
	/**
	 * 设置按钮样式
	 */
	private void setStyle() {
		this.setOpaque(false);
		this.setBorder(border);
		this.setContentAreaFilled(false);
		this.setFocusPainted(false);
		this.setRolloverEnabled(false);
		
		if(this.getIcon() != null) {
			setPreferredSize(new Dimension(
					this.getIcon().getIconWidth() + 2, 
					this.getIcon().getIconHeight() + 2));
		}
		
		if(select) {
			this.addActionListener(new ActionListener() {
				@Override
				public void actionPerformed(ActionEvent e) {
					if(click) {
						setClick(false);
					} else {
						setClick(true);
					}
				}
			});
		}
		
		this.addMouseListener(new MouseAdapter() {
			
			@Override
			public void mouseEntered(MouseEvent e) {
				if(!click && isEnabled()) {
					setBorder(customBorder);
					//setBorder(roverBorder);
				}
			}
			
			@Override
			public void mouseExited(MouseEvent e) {
				if(!click) {
					setBorder(border);
				}
			}
		});
	}
	
	public boolean isClick() {
		return click;
	}

	public void setClick(boolean click) {
		this.click = click;
		if(click) {
			setBorder(bevelBorder);
		} else {
			setBorder(border);
		}
	}

	/**
	 * 自定义边框
	 */
	private Border customBorder = new Border() {
		
		public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
			g.setColor(Color.GRAY);
			g.drawRect(x, y, width - 1, height - 1);
		}
		
		public Insets getBorderInsets(Component c) {
			return new Insets(1, 1, 1, 1);
		}
		
		public boolean isBorderOpaque() {
			return true;
		}
	};
}