我有一个带有可编辑单元格的JTable
。当我单击单元格时,它会进入编辑模式;当我使用方向箭头穿过单元格时,也会发生同样的情况。
现在我想选择单元格而不是开始编辑,并且仅在按下 Enter 键时编辑单元格。
如果需要任何其他信息,请直接询问。
编辑:Enter 键的操作
class EnterAction extends AbstractAction {
@Override
public void actionPerformed(ActionEvent e) {
JTable tbl = (JTable) e.getSource();
tbl.editCellAt(tbl.getSelectedRow(), tbl.getSelectedColumn());
if (tbl.getEditorComponent() != null) {
tbl.getEditorComponent().requestFocus();
}
}
}
现在这是左箭头操作,其余 3 个操作不难从这个中推断出来:
class LeftAction extends AbstractAction {
@Override
public void actionPerformed(ActionEvent e) {
JTable tbl = (JTable)e.getSource();
tbl.requestFocus();
tbl.changeSelection(tbl.getSelectedRow(), tbl.getSelectedColumn() > 0 ? tbl.getSelectedColumn()-1:tbl.getSelectedColumn(), false, false);
if(tbl.getCellEditor()!=null)
tbl.getCellEditor().stopCellEditing();
}
}
这就是绑定(bind)此操作的方式:
final String solve = "Solve";
KeyStroke enter = KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0);
table.getInputMap(JTable.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(enter, solve);
table.getActionMap().put(solve, new EnterAction());
final String sel = "Sel";
KeyStroke arrow = KeyStroke.getKeyStroke(KeyEvent.VK_LEFT, 0);
table.getInputMap(JTable.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(arrow, sel);
table.getActionMap().put(sel, new LeftAction());
哦,我差点忘了,选择单元格而不是通过鼠标单击进行编辑:
public static MouseListener mAdapterTable = new MouseListener()
{
@Override
public void mousePressed(MouseEvent e)
{
JTable tbl=((JTable)e.getComponent());
if(tbl.isEditing())
{
tbl.getCellEditor().stopCellEditing();
}
}
@Override
public void mouseClicked(MouseEvent e) {
JTable tbl=((JTable)e.getComponent());
if(tbl.isEditing() )
tbl.getCellEditor().stopCellEditing();
}
@Override
public void mouseReleased(MouseEvent e) {
JTable tbl=((JTable)e.getComponent());
if(tbl.isEditing() )
tbl.getCellEditor().stopCellEditing();
}
};
EventListner
必须添加到表中,如下所示:
table.addMouseListener(mAdapterTable);
最佳答案
使用Key Bindings为了这。大多数外观实现已将 F2 绑定(bind)到表的 startEditing
操作,但您添加不同的绑定(bind):
tree.getInputMap().put(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0), "startEditing");
这将有效取代之前将 Enter 绑定(bind)到表格的 selectNextRowCell
操作。
关于java - 更改 JTable 关键操作的行为,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/11668294/