需求:
使用JTable显示列表框时,希望实现滑动鼠标、拖动鼠标,即可将勾选框选择上,试了一下可以实现。
代码:
package com.swing.view;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.MouseInfo;
import java.awt.Point;
import java.awt.event.MouseEvent;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.border.EmptyBorder;
import javax.swing.event.MouseInputListener;
import com.swing.model.CheckHeaderCellRenderer;
import com.swing.model.TableModelProxy;
public class TestFrame extends JFrame {
private JPanel contentPane;
private JTable table;
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
TestFrame frame = new TestFrame();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the frame.
*/
public TestFrame() {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setTitle("CheckBox Table");
this.setPreferredSize(new Dimension(400, 300));
// setBounds(100, 100, 450, 300);
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
contentPane.setLayout(new BorderLayout(0, 0));
setContentPane(contentPane);
table = new JTable();
JScrollPane scrollPane = new JScrollPane(table, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
contentPane.add(scrollPane, BorderLayout.CENTER);
initTable();
final MouseInputListener mouseInputListener = getMouseInputListener(table);//添加鼠标右键选择行
table.addMouseListener(mouseInputListener);
table.addMouseMotionListener(mouseInputListener);
pack();
}
private void initTable() {
String[] columnNames = {"name","age", "choose"};
Object[][] data = this.getData();
TableModelProxy tableModel = new TableModelProxy(columnNames, data);
table.setModel(tableModel);
table.getTableHeader().setDefaultRenderer(new CheckHeaderCellRenderer(table));//全选按钮
}
/**
* 获得数据
*
* @return
*/
private Object[][] getData() {
Object[][] data = {
{ "Kathy", 5, new Boolean(false) },
{ "John", 15, new Boolean(true) },
{ "Sue", 16, new Boolean(false) },
{ "Jane",17, new Boolean(true) },
{ "Joe", 18, new Boolean(false) },
{ "John", 15, new Boolean(true) },
{ "Sue", 16, new Boolean(false) },
{ "Jane",17, new Boolean(true) },
{ "Joe", 18, new Boolean(false) }};
return data;
}
private static MouseInputListener getMouseInputListener(final JTable jTable){
return new MouseInputListener() {
int[] aa= {};
public void mouseClicked(MouseEvent e) {
}
public void mousePressed(MouseEvent e) {
}
public void mouseReleased(MouseEvent e) {
}
public void mouseEntered(MouseEvent e) {
}
public void mouseExited(MouseEvent e) {
}
public void mouseDragged(MouseEvent e) {
processEvent(e);
int b=jTable.getRowCount();
System.out.println(b);
// for(int i=0;i<b-aa.length;i++) {
// jTable.setValueAt(false, aa.length+i, 2);
// }
for(int i=0;i<aa.length;i++) {
jTable.setValueAt(true, aa[i], 2);
// System.out.println(aa[i]);
}
}
public void mouseMoved(MouseEvent e) {
}
private void processEvent(MouseEvent e) {
aa=jTable.getSelectedRows();
}
};
}
}
效果:
JTable拖动表格的时候,右边的复选框就会选择上。