java swing中实现列表中加入单选按钮，单选按钮发生变化时能触发事件

Posted 2022-08-12 崔耀强

java swing中实现列表中加入单选按钮，单选按钮发生变化时能触发事件

package test;
import java.awt.Component;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.DefaultCellEditor;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JRadioButton;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.event.TableModelEvent;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableCellRenderer;

class RadioButtonRenderer implements TableCellRenderer 
	public Component getTableCellRendererComponent(JTable table, Object value,
			boolean isSelected, boolean hasFocus, int row, int column) 
		if (value == null)
			return null;
		return (Component) value;
	


class RadioButtonEditor extends DefaultCellEditor implements ItemListener 
	/**
	 */
	private static final long serialVersionUID = 1L;
	private JRadioButton button;

	public RadioButtonEditor(JCheckBox checkBox) 
		super(checkBox);
	

	public Component getTableCellEditorComponent(JTable table, Object value,
			boolean isSelected, int row, int column) 
		if (value == null)
			return null;
		button = (JRadioButton) value;
		button.addItemListener(this);
		return (Component) value;
	

	public Object getCellEditorValue() 
		button.removeItemListener(this);
		return button;
	

	public void itemStateChanged(ItemEvent e) 
		super.fireEditingStopped();
		System.out.println("111111111");
	


public class JRadioButtonTableExample extends JFrame 

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

	public JRadioButtonTableExample() 

		DefaultTableModel dm = new DefaultTableModel();
		Object [][]o= new Object[5][1];
		for(int i=0;i<5;i++)
			o[i][0]="Group 1";
		
		Object [][]o2= new Object[5][2];
		for(int i=0;i<5;i++)
			o2[i][0]=o[i][0];
			o2[i][1]=new JRadioButton();
		
		dm.setDataVector(o2, new Object[] 
				"String", "JRadioButton" );

		JTable table = new JTable(dm) 
			public void tableChanged(TableModelEvent e) 
				super.tableChanged(e);
				repaint();
			
		;
		table.getColumn("JRadioButton").setCellRenderer(
				new RadioButtonRenderer());
		table.getColumn("JRadioButton").setCellEditor(
				new RadioButtonEditor(new JCheckBox()));
		JScrollPane scroll = new JScrollPane(table);
		getContentPane().add(scroll);
		setSize(200, 140);
		setVisible(true);
	

	public static void main(String[] args) 
		JRadioButtonTableExample frame = new JRadioButtonTableExample();
		frame.addWindowListener(new WindowAdapter() 
			public void windowClosing(WindowEvent e) 
				System.exit(0);
			
		);
	

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