Java Swing JCheckbox JCombBox的组件
package com.test;import java.awt.Dimension;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax.swing.JComponent;import javax.swing.JFrame;import javax.swing.JOptionPane;import com.cody.JCheckCombo;public class TestFrame{ /** * @author cody 2011-2-27 * @param args */ public static void main(String[] args) { JFrame frame = new JFrame(); frame.add(new TestFrame().getComponent()); frame.setSize(500, 80); frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); frame.setLocationRelativeTo(null); frame.setVisible(true); } public JComponent getComponent() { final JCheckCombo combo = new JCheckCombo(" + ", "请选择选项"); combo.setPreferredSize(new Dimension(200, 22)); combo.addItem(new TestStructData("第一个复选框")); combo.addItem(new TestStructData("第二个复选框")); combo.addItem(new TestStructData("第三个复选框")); combo.addItem(new TestStructData("第四个复选框")); TestStructData data = new TestStructData("第一个特殊选项"); data.setNeedCheckbox(false); combo.addItem(data); combo.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { showAlert(combo); } }); combo.setStartListen(true); return combo; } private void showAlert(JCheckCombo combo) { Object obj = combo.getSelectedItem(); if (obj instanceof TestStructData) { if (!((TestStructData) obj).isNeedCheckbox()) { JOptionPane.showMessageDialog(null, ((TestStructData) obj).toString()); } } }}
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