package com.vci.client.ui.swing;
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import java.awt.Color;
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import java.awt.Graphics;
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import javax.swing.JComboBox;
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/**
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* 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。
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* @author Administrator
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*
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*/
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public class KComboBox extends JComboBox {
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/**
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*
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*/
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private static final long serialVersionUID = 1L;
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public KComboBox() {
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}
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public KComboBox(String[] s) {
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super(s);
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}
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public KComboBox(int Width,int Height) {
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setSize(Width,Height);
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}
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public void paint (Graphics g) {
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super.paint (g);
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g.setColor (Color.red);
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int text_XSize = this.getWidth ();
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int[] xSeq = new int[3];
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int[] ySeq = new int[3];
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xSeq[0] = text_XSize - 12;
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ySeq[0] = 0;
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xSeq[1] = text_XSize;
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ySeq[1] = 0;
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xSeq[2] = text_XSize;
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ySeq[2] = 7;
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g.fillPolygon (xSeq, ySeq, 3);
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}
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}
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