Java 多表单选
我正在开发一个应用程序,它利用一组JTables,每个JTables由不同的数据模型(例如,每个表中的不同对象)支持。用例要求表集具有多个排除范围(即,在任何给定点,每组表最多可以选择1行)Java 多表单选,java,swing,jtable,Java,Swing,Jtable,我正在开发一个应用程序,它利用一组JTables,每个JTables由不同的数据模型(例如,每个表中的不同对象)支持。用例要求表集具有多个排除范围(即,在任何给定点,每组表最多可以选择1行) JDK按钮组为一组抽象按钮实现此功能。有人见过表的类似实现吗?如果不是,这是最好的方法吗?也许有一种更好的设计模式/习惯用法。您必须自己动手,但这可以通过使用自定义ListSelectionListener来实现。类似这样的方法可能会奏效: @Override public void valueChange
JDK按钮组为一组抽象按钮实现此功能。有人见过表的类似实现吗?如果不是,这是最好的方法吗?也许有一种更好的设计模式/习惯用法。您必须自己动手,但这可以通过使用自定义ListSelectionListener来实现。类似这样的方法可能会奏效:
@Override
public void valueChanged(ListSelectionEvent e) {
ListSelectionModel selectedModel = (ListSelectionModel) e.getSource();
for (ListSelectionModel model : models) {
if (model != selectedModel) {
model.removeListSelectionListener(this);
model.clearSelection();
model.addListSelectionListener(this);
}
}
}
其中models是一个ArrayList,它保存所有JTable的ListSelectionModels
例如:
import java.awt.GridLayout;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.ListSelectionModel;
import javax.swing.SwingUtilities;
import javax.swing.table.DefaultTableModel;
@SuppressWarnings("serial")
public class ListSelectionListenerExample extends JPanel {
private static final int TABLE_COUNT = 4;
private static final Integer[][] DATA = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
private static final String[] COL_NAMES = {"A", "B", "C"};
public ListSelectionListenerExample() {
ListSelectionGroup listSelectionGroup = new ListSelectionGroup();
setLayout(new GridLayout(1, 0));
for (int i = 0; i < TABLE_COUNT; i++) {
DefaultTableModel model = new DefaultTableModel(DATA, COL_NAMES);
JTable table = new JTable(model);
ListSelectionModel selectionModel = table.getSelectionModel();
listSelectionGroup.register(selectionModel);
add(new JScrollPane(table));
}
}
private static void createAndShowGui() {
ListSelectionListenerExample mainPanel = new ListSelectionListenerExample();
JFrame frame = new JFrame("ListSelectionListener Example");
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
frame.getContentPane().add(mainPanel);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
public static void main(String[] args) {
SwingUtilities.invokeLater(() -> createAndShowGui());
}
}
导入java.awt.GridLayout;
导入javax.swing.JFrame;
导入javax.swing.JPanel;
导入javax.swing.JScrollPane;
导入javax.swing.JTable;
导入javax.swing.ListSelectionModel;
导入javax.swing.SwingUtilities;
导入javax.swing.table.DefaultTableModel;
@抑制警告(“串行”)
公共类ListSelectionListenerExample扩展了JPanel{
私有静态最终整数表_计数=4;
私有静态最终整数[][]数据={{1,2,3},{4,5,6},{7,8,9};
私有静态最终字符串[]COL_NAMES={“A”、“B”、“C”};
public ListSelectionListenerExample(){
ListSelectionGroup ListSelectionGroup=新建ListSelectionGroup();
setLayout(新的GridLayout(1,0));
对于(int i=0;icreateAndShowGui());
}
}
import java.util.ArrayList;
导入java.util.List;
导入javax.swing.ListSelectionModel;
导入javax.swing.event.ListSelectionEvent;
导入javax.swing.event.ListSelectionListener;
公共类ListSelectionGroup{
私有列表模型=新的ArrayList();
私有MyListener MyListener=新MyListener();
公共作废登记簿(ListSelectionModel){
模型。添加(模型);
model.addListSelectionListener(myListener);
}
//过载法
公共无效寄存器(JTable表){
寄存器(table.getSelectionModel());
}
//创建一个私有的内部类,这样我们就不会意外地将其添加到
//ListSelectionModel而不经过register方法
私有类MyListener实现ListSelectionListener{
@凌驾
public void值已更改(ListSelectionEvent e){
ListSelectionModel selectedModel=(ListSelectionModel)e.getSource();
用于(ListSelectionModel:models){
如果(型号!=所选型号){
model.removeListSelectionListener(此);
model.clearSelection();
model.addListSelectionListener(此);
}
}
}
}
}
我认为您必须自己编写代码,我打赌您会很容易地解决这个问题。我没有这样做,但您可能希望使用所有JTable共享的自定义选择模型。不,不是自定义选择模型,但我们需要的是一个定制的、共享的ListSelectionListener
,它已经实现并开始工作。简单而优雅+SCCE为1。
import java.util.ArrayList;
import java.util.List;
import javax.swing.ListSelectionModel;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
public class ListSelectionGroup {
private List<ListSelectionModel> models = new ArrayList<>();
private MyListener myListener = new MyListener();
public void register(ListSelectionModel model) {
models.add(model);
model.addListSelectionListener(myListener);
}
// overload method for convenience
public void register(JTable table) {
register(table.getSelectionModel());
}
// make a private inner class so that we don't accidentally add this to a
// ListSelectionModel without going through the register method
private class MyListener implements ListSelectionListener {
@Override
public void valueChanged(ListSelectionEvent e) {
ListSelectionModel selectedModel = (ListSelectionModel) e.getSource();
for (ListSelectionModel model : models) {
if (model != selectedModel) {
model.removeListSelectionListener(this);
model.clearSelection();
model.addListSelectionListener(this);
}
}
}
}
}