package com.vci.client.uif.engine.client.tableArea;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.LinearGradientPaint;
import java.awt.Point;
import java.awt.Rectangle;
import java.util.HashMap;
import java.util.Map;

import javax.swing.AbstractButton;
import javax.swing.ButtonModel;
import javax.swing.Icon;
import javax.swing.JComponent;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.metal.MetalButtonUI;

import com.vci.client.ui.swing.VCISwingUtil;

import sun.swing.SwingUtilities2;

/**
 * 查询区域标题按钮ButtonUI
 * @author VCI-STGK006
 *
 */
public class JXToggleButtonUI extends MetalButtonUI {
	
	protected static JXToggleButtonUI tbui = new JXToggleButtonUI();

	public static ComponentUI createUI(JComponent c) {
		return tbui;
	}
	
	@Override
	protected void paintText(Graphics g, JComponent c, Rectangle textRect,
			String text) {
		AbstractButton b = (AbstractButton) c;
		
		/* recount the letter position */
		int width = b.getWidth();
		textRect.x = textRect.x + (width - textRect.x - textRect.width) - 10;
		
		int textWidth = 0;
		ButtonModel model = b.getModel();
		FontMetrics fm = SwingUtilities2.getFontMetrics(c, g);
		int mnemIndex = b.getDisplayedMnemonicIndex();

		/* Draw the Text */
		if (model.isEnabled()) {
			/*** paint the text normally */
			g.setColor(b.getForeground());
		} else {
			/*** paint the text disabled ***/
			g.setColor(getDisabledTextColor());
		}
		SwingUtilities2.drawStringUnderlineCharAt(c, g, text, mnemIndex,
				textRect.x, textRect.y + fm.getAscent());
	}
	
	@Override
	protected void paintIcon(Graphics g, JComponent c, Rectangle iconRect) {
		/* draw the background*/
		drawBackground(g, c);
		
		AbstractButton b = (AbstractButton) c;
		
		/* recount the icon position */
		iconRect.x = iconRect.x + iconRect.x - 10;
		
		ButtonModel model = b.getModel();
		Icon icon = b.getIcon();
		Icon tmpIcon = null;

		if (icon == null) {
			return;
		}

		Icon selectedIcon = null;

		/* the fallback icon should be based on the selected state */
		if (model.isSelected()) {
			selectedIcon = (Icon) b.getSelectedIcon();
			if (selectedIcon != null) {
				icon = selectedIcon;
			}
		}

		if (!model.isEnabled()) {
			if (model.isSelected()) {
				tmpIcon = (Icon) b.getDisabledSelectedIcon();
				if (tmpIcon == null) {
					tmpIcon = selectedIcon;
				}
			}

			if (tmpIcon == null) {
				tmpIcon = (Icon) b.getDisabledIcon();
			}
		} else if (model.isPressed() && model.isArmed()) {
			tmpIcon = (Icon) b.getPressedIcon();
			if (tmpIcon != null) {
				// revert back to 0 offset
				clearTextShiftOffset();
			}
		} else if (b.isRolloverEnabled() && model.isRollover()) {
			if (model.isSelected()) {
				tmpIcon = (Icon) b.getRolloverSelectedIcon();
				if (tmpIcon == null) {
					tmpIcon = selectedIcon;
				}
			}

			if (tmpIcon == null) {
				tmpIcon = (Icon) b.getRolloverIcon();
			}
		}

		if (tmpIcon != null) {
			icon = tmpIcon;
		}

		if (model.isPressed() && model.isArmed()) {
			icon.paintIcon(c, g, iconRect.x + getTextShiftOffset(), iconRect.y
					+ getTextShiftOffset());
		} else {
			icon.paintIcon(c, g, iconRect.x, iconRect.y);
		}
	}
	
	/* Do nothing */
	@Override
	protected void paintFocus(Graphics g, AbstractButton b, Rectangle viewRect,
			Rectangle textRect, Rectangle iconRect) {
//		Rectangle focusRect = new Rectangle();
//		String text = b.getText();
//		boolean isIcon = b.getIcon() != null;
//
//		// If there is text
//		if (text != null && !text.equals("")) {
//			if (!isIcon) {
//				focusRect.setBounds(textRect);
//			} else {
//				focusRect.setBounds(iconRect.union(textRect));
//			}
//		}
//		// If there is an icon and no text
//		else if (isIcon) {
//			focusRect.setBounds(iconRect);
//		}
//		/* r=245,g=165,b=16 */
//		g.setColor(getFocusColor());
//		g.drawRect((focusRect.x - 1), (focusRect.y - 1), focusRect.width + 1,
//				focusRect.height + 1);
	}
	
	@Override
	protected void paintButtonPressed(Graphics g, AbstractButton b) {
		if (b.isContentAreaFilled()) {
			Dimension size = b.getSize();
			/* r=189,g=190,b=176 */
			g.setColor(getSelectColor());
			g.fillRect(0, 0, size.width, size.height);
		}
	}
	
	private void drawBackground(Graphics g, JComponent c) {
		JXToggleButton b = (JXToggleButton) c;
		String title = b.getTitle();
		String iconUrl = b.getIconUrl();
		
	    Graphics2D g2 = (Graphics2D)g;
	    Point start = new Point(0, 0);
	    Point end = new Point(0, c.getHeight());
	    float[] dist = { 0.0F, 0.45F, 0.5F, 1.0F };
	    Color[] colors = { VCISwingUtil.TBC1, VCISwingUtil.TBC2, VCISwingUtil.TBC3, VCISwingUtil.TBC4 };
	    LinearGradientPaint lgp = new LinearGradientPaint(start, end, dist, 
	      colors);
	    g2.setPaint(lgp);
	    g2.fillRect(0, 0, c.getWidth(), c.getHeight());
	    g2.setColor(VCISwingUtil.FRAMECOLOR);
	    g2.drawRect(0, 0, c.getWidth() - 1, c.getHeight() - 1);
	    if (iconUrl != null && !iconUrl.equals("")) {
	      Image img = VCISwingUtil.createImageIcon(iconUrl).getImage();
	      if (img != null) {
	        g2.drawImage(img, 8, 4, 16, 16, null);
	      }
	    }
	    g2.setColor(VCISwingUtil.TEXTCOLOR);
	    g2.setFont(VCISwingUtil.Font12B);
	    g2.drawString(title, 30, 17);
	}
}