package com.vci.client.ui.swing;

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

import javax.swing.JComboBox;

/**
 * 继承JComboBox，在此基础上增加红色标记，目的是提醒用户此选择不能为空。
 * @author Administrator
 *
 */
public class KComboBox extends JComboBox {

    /**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	public KComboBox() {
		
	}
	
    public KComboBox(String[] s) {
		super(s);
	} 
    
    public KComboBox(int Width,int Height) {
    	setSize(Width,Height);
    }

    public void paint (Graphics g) { 
    	super.paint (g);
    	g.setColor (Color.red);
    	int text_XSize = this.getWidth ();

    	int[] xSeq = new int[3];
    	int[] ySeq = new int[3];
    	
    	xSeq[0] = text_XSize - 12;
    	ySeq[0] = 0;
    	xSeq[1] = text_XSize;
    	ySeq[1] = 0;
    	xSeq[2] = text_XSize;
    	ySeq[2] = 7;

    	g.fillPolygon (xSeq, ySeq, 3);
    }
}