是否有任何干净的方法允许用户选择 JTable 的多个非连续单元格?还是我被迫实现自己的 ListSelectionModel?
我在 JTable 上使用了 setCellSelectionEnabled() 和 setSelectionModel() 方法,但我只能选择连续单元格组。
编辑:
我试过@mKorbel 不错的 SSCCE。它适用于列表,但似乎不能完全适用于表格。这是一个SSCCE:
import java.awt.Component;
import java.awt.event.InputEvent;
import java.awt.event.MouseEvent;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
public class TableSelection extends JFrame{
String[] columnNames = {"First Name",
"Last Name",
"Sport",
"# of Years",
"Vegetarian"};
Object[][] data = {
{"Kathy", "Smith",
"Snowboarding", new Integer(5), new Boolean(false)},
{"John", "Doe",
"Rowing", new Integer(3), new Boolean(true)},
{"Sue", "Black",
"Knitting", new Integer(2), new Boolean(false)},
{"Jane", "White",
"Speed reading", new Integer(20), new Boolean(true)},
{"Joe", "Brown",
"Pool", new Integer(10), new Boolean(false)}
};
public TableSelection(){
JPanel main= new JPanel();
JTable table = new JTable(data, columnNames){
@Override
protected void processMouseEvent(MouseEvent e) {
int modifiers = e.getModifiers() | InputEvent.CTRL_MASK;
// change the modifiers to believe that control key is down
int modifiersEx = e.getModifiersEx() | InputEvent.CTRL_MASK;
// can I use this anywhere? I don't see how to change the modifiersEx of the MouseEvent
MouseEvent myME = new MouseEvent((Component) e.getSource(), e.getID(), e.getWhen(), modifiers, e.getX(),
e.getY(), e.getXOnScreen(), e.getYOnScreen(), e.getClickCount(), e.isPopupTrigger(), e.getButton());
super.processMouseEvent(myME);
}
};
JScrollPane pane = new JScrollPane(table);
main.add(pane);
this.add(main);
this.setSize(800, 600);
this.setVisible(true);
}
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
new TableSelection();
}
}
我可以选择不连续的行,但不能选择单个单元格。我的意思是,例如,我希望能够选择单元格 0,0 和 3,3。