package com.gavin.gui;

import java.awt.Color;
import java.awt.Cursor;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Paint;
import java.awt.RenderingHints;

import javax.swing.Action;
import javax.swing.Icon;
import javax.swing.JButton;

public class RolloverBackgroundButton extends JButton {

	private static final long serialVersionUID = 1L;

	protected Color normalBackground;// 默认无状态时背景颜色,此属性父类中已定义(background)
	protected Color pressedBackground;// 鼠标按下时背景颜色
	protected Color rolloverBackground;// 鼠标悬浮时背景颜色
	protected Color selectedBackground;// 选中时背景颜色

	protected Color normalBorderColor;// 默认无状态时边框颜色
	protected Color pressedBorderColor;// 鼠标按下时边框颜色
	protected Color rolloverBorderColor;// 鼠标悬浮时边框颜色
	protected Color selectedBorderColor;// 选中时边框颜色

	protected Color normalForeground;// 默认时前景颜色
	protected Color pressedForeground;// 鼠标按下时前景颜色
	protected Color rolloverForeground;// 鼠标悬浮时前景颜色
	protected Color selectedForeground;// 选中时前景颜色

	{
		initRolloverButton();
	}

	public RolloverBackgroundButton() {
	}

	public RolloverBackgroundButton(Icon icon) {
		super(icon);
	}

	public RolloverBackgroundButton(String text, Icon icon) {
		super(text, icon);
	}

	public RolloverBackgroundButton(String text) {
		super(text);
	}

	public RolloverBackgroundButton(Action a) {
		super(a);
	}

	private void initRolloverButton() {
		setRolloverEnabled(true);
		setBorderPainted(false);
		setContentAreaFilled(false);
		setFocusPainted(false);
		setFont(new Font(Font.DIALOG, Font.PLAIN, 14));

		setNormalBackground(new Color(216, 216, 216));
		setPressedBackground(new Color(216, 216, 216, 100));
		setNormalBorderColor(new Color(174, 174, 174));
		setRolloverBorderColor(new Color(95, 205, 245));
		setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
	}

	@Override
	public void paint(Graphics g) {
		Graphics2D g2d = (Graphics2D) g;
		g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

		Paint oldPaint = g2d.getPaint();
		if (isSelected() && selectedBackground != null) {// 选中时
			g2d.setPaint(selectedBackground);
			g2d.fillRect(0, 0, getWidth(), getHeight());// 背景
		} else if (getModel().isPressed() && pressedBackground != null) {// 鼠标按下时
			g2d.setPaint(pressedBackground);
			g2d.fillRect(0, 0, getWidth(), getHeight());// 背景
		} else if (getModel().isRollover() && rolloverBackground != null) {// 鼠标悬浮时
			g2d.setPaint(rolloverBackground);
			g2d.fillRect(0, 0, getWidth(), getHeight());// 背景
		} else if (normalBackground != null) {// 默认无状态时
			g2d.setPaint(normalBackground);
			g2d.fillRect(0, 0, getWidth(), getHeight());// 背景
		}
		g2d.setPaint(oldPaint);

		if (isSelected() && selectedForeground != null) {// 选中时
			setForeground(selectedForeground);
		} else if (getModel().isPressed() && pressedForeground != null) {// 鼠标按下时
			setForeground(pressedForeground);
		} else if (getModel().isRollover() && rolloverForeground != null) {// 鼠标悬浮时
			setForeground(rolloverForeground);
		} else if (normalForeground != null) {// 默认无状态时
			setForeground(normalForeground);
		}

		super.paint(g2d);

		if (isSelected() && selectedBorderColor != null) {// 选中时
			g2d.setPaint(selectedBorderColor);
			g2d.drawRect(0, 0, getWidth() - 1, getHeight() - 1);// 边框
		} else if (getModel().isPressed() && pressedBorderColor != null) {// 鼠标按下时
			g2d.setPaint(pressedBorderColor);
			g2d.drawRect(0, 0, getWidth() - 1, getHeight() - 1);// 边框
		} else if (getModel().isRollover() && rolloverBorderColor != null) {// 鼠标悬浮时
			g2d.setPaint(rolloverBorderColor);
			g2d.drawRect(0, 0, getWidth() - 1, getHeight() - 1);// 边框
		} else if (normalBorderColor != null) {// 默认无状态时
			g2d.setPaint(normalBorderColor);
			g2d.drawRect(0, 0, getWidth() - 1, getHeight() - 1);// 边框
		}
		g2d.setPaint(oldPaint);
	}

	/**
	 * 清空设置的默认属性值：<br>
	 * 
	 * setNormalBackground(null);<br>
	 * setPressedBackground(null); <br>
	 * setNormalBorderColor(null); <br>
	 * setRolloverBorderColor(null);
	 * 
	 */
	public void clearDefaultAttribute() {
		setNormalBackground(null);
		setPressedBackground(null);
		setNormalBorderColor(null);
		setRolloverBorderColor(null);
	}

	public Color getNormalBackground() {
		return normalBackground;
	}

	public void setNormalBackground(Color normalBackground) {
		this.normalBackground = normalBackground;
	}

	public Color getPressedBackground() {
		return pressedBackground;
	}

	public void setPressedBackground(Color pressedBackground) {
		this.pressedBackground = pressedBackground;
	}

	public Color getRolloverBackground() {
		return rolloverBackground;
	}

	public void setRolloverBackground(Color rolloverBackground) {
		this.rolloverBackground = rolloverBackground;
	}

	public Color getNormalBorderColor() {
		return normalBorderColor;
	}

	public void setNormalBorderColor(Color normalBorderColor) {
		this.normalBorderColor = normalBorderColor;
	}

	public Color getPressedBorderColor() {
		return pressedBorderColor;
	}

	public void setPressedBorderColor(Color pressedBorderColor) {
		this.pressedBorderColor = pressedBorderColor;
	}

	public Color getRolloverBorderColor() {
		return rolloverBorderColor;
	}

	public void setRolloverBorderColor(Color rolloverBorderColor) {
		this.rolloverBorderColor = rolloverBorderColor;
	}

	public Color getPressedForeground() {
		return pressedForeground;
	}

	public void setPressedForeground(Color pressedForeground) {
		this.pressedForeground = pressedForeground;
	}

	public Color getRolloverForeground() {
		return rolloverForeground;
	}

	public void setRolloverForeground(Color rolloverForeground) {
		this.rolloverForeground = rolloverForeground;
	}

	public Color getNormalForeground() {
		return normalForeground;
	}

	public void setNormalForeground(Color normalForeground) {
		this.normalForeground = normalForeground;
	}

	public Color getSelectedBackground() {
		return selectedBackground;
	}

	public void setSelectedBackground(Color selectedBackground) {
		this.selectedBackground = selectedBackground;
	}

	public Color getSelectedBorderColor() {
		return selectedBorderColor;
	}

	public void setSelectedBorderColor(Color selectedBorderColor) {
		this.selectedBorderColor = selectedBorderColor;
	}

	public Color getSelectedForeground() {
		return selectedForeground;
	}

	public void setSelectedForeground(Color selectedForeground) {
		this.selectedForeground = selectedForeground;
	}
}