numberlabel.java

扫雷完整的程序

/*
 * Created on 2005-6-18
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package view;

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.Rectangle2D;


import javax.swing.JPanel;

/**
 * @author rover
 * 
 * TODO To change the template for this generated type comment go to Window -
 * Preferences - Java - Code Style - Code Templates
 */
public class NumberLabel extends JPanel {

	/**
	 *  
	 */
	public NumberLabel() {
		super();
		side = 0;		
		number = new StringBuffer();
		// TODO Auto-generated constructor stub
	}

	public void paintComponent(Graphics g) {

		super.paintComponent(g);

		if (font != null && number != null) {
			drawMapFrame(0, 0, getWidth(), getHeight(), side, false, g);
			if (fontColor != null) {
				g.setColor(fontColor);
			}
			g.setFont(font);			
			g.drawString(number.toString(), x, y);
		}
	}

	public void setNumber(String number) {
		this.number = new StringBuffer(number);
		if (number.length() < length) {
			for (int i = 0; i != length - number.length(); i++) {
				this.number.insert(0, '0');
			}
		}
	}

	public void setFontColor(Color fontColor) {
		this.fontColor = fontColor;
	}

	private Color fontColor;

	private int length;

	public void setFontAndBoard(Font font, int length, int side) {
		this.side = side;
		this.length = length;
		this.font = font;
		number = new StringBuffer();
		for (int i = 0; i != length; i++) {
			number.append('0');
		}
	}

	public void fitSizeToFont(){
		Graphics2D g2 = (Graphics2D) getGraphics();
		if (g2 == null) return;
		Rectangle2D bounds = font.getStringBounds(number.toString(),
				(g2).getFontRenderContext());
		this.setSize((int) bounds.getWidth() + 8,
				(int) bounds.getHeight() + 4);
		x = (int) (getWidth() - bounds.getWidth()) / 2;
		y = (int) ((getHeight() + bounds.getY()) / 2 - bounds.getY());
	}
	

	
	private Font font;

	private int side;

	private int x;

	private int y;

	private StringBuffer number;

	private int fontSize;

	//	draw the map side frame
	private void drawMapFrame(int x, int y, int width, int height, int side,
			boolean raised, Graphics g) {

		//the sets of coordinate of side Polygons
		int setX[][] = { { x, x + width, x + width - side, x + side },//up
				{ x + width - side, x + width, x + width, x + width - side },//right
				{ x + side, x + width - side, x + width, x },//down
				{ x, x + side, x + side, x } };//left

		int setY[][] = {
				{ y, y, y + side, y + side },//up
				{ y + side, y, y + height, y + height - side },//right
				{ y + height - side, y + height - side, y + height, y + height },//down
				{ y, y + side, y + height - side, y + height } };//left

		//draw the side polygons
		for (int i = 0; i <= 3; i++) {
			if (raised) {//raised
				switch (i) {//set color
				case 0:
					g.setColor(new Color(244, 242, 232));
					break;
				case 1:
					g.setColor(new Color(152, 150, 139));
					break;
				case 2:
					g.setColor(new Color(102, 101, 93));
					break;
				case 3:
					g.setColor(new Color(240, 238, 224));
					break;
				}

			} else {//lowered
				switch (i) {//set color
				case 0:
					g.setColor(new Color(100, 100, 100));
					break;
				case 1:
					g.setColor(new Color(240, 240, 240));
					break;
				case 2:
					g.setColor(new Color(250, 250, 250));
					break;
				case 3:
					g.setColor(new Color(120, 120, 120));
					break;
				}
			}
			g.fillPolygon(setX[i], setY[i], 4);//draw
		}
	}
}