我试图使 JTable 单元格不可编辑,但如果我这样做,我将无法选择单个单元格值,而是当我尝试复制整个行时被选中 我只想复制选定的单元格值而不是整个行。有办法做到这一点吗?
public class EmployeeWin extends JFrame {
DefaultTableModel model = new DefaultTableModel() {
@Override
public boolean isCellEditable(int row, int column){
return false;
}
};
Container cont = this.getContentPane();
JTable tab = new JTable(model);
private TableRowSorter<TableModel> rowSorter = new TableRowSorter<>(model);
private final JTextField searchFilter = new JTextField();
public EmpDataWin(List<EmployeeDTO> pEmployeeDTO) {
initialize(pEmployeeDTO);
}
public void initialize(List<EmployeeDTO> pEmployeeDTOList) {
JPanel panelParent = new JPanel(new BorderLayout());
// Add Header
model.addColumn("Employee Name");
model.addColumn("Department");
model.addColumn("Details");
// Add data row to table
for (EmployeeDTO aEmployeeDTO : pEmployeeDTOList) {
model.addRow(new Object[] { aEmployeeDTO.getEmployee_Name(), aEmployeeDTO.getDepartment(),
aEmployeeDTO.getDetails()});
}
tab.setRowSorter(rowSorter);
tab.setAutoCreateRowSorter(true);
JPanel panel = new JPanel(new BorderLayout());
panel.add(new JLabel(UIConstants.SEARCH), BorderLayout.WEST);
JTextField searchFilter = SearchFilter.createRowFilter(tab);
panel.add(searchFilter, BorderLayout.CENTER);
panel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
tab.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
JScrollPane sp = new JScrollPane(tab,ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS,ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ALWAYS);
panelParent.add(panel,BorderLayout.NORTH);
panelParent.add(sp,BorderLayout.CENTER);
panelParent.setBorder(BorderFactory.createEmptyBorder(10 , 10, 10, 10));
cont.add(panelParent);
this.pack();
}
public static void main(String[] args) {
EmployeeDAO dao = new EmployeeDAO();
List<EmployeeDTO> dto = dao.getemployeeData();
JFrame frame = new EmployeeDataWin(dto);
}
}
最佳答案
when i try to copy the entire row is getting selected I want to copy only the selected cell value instead of entire row
Ctrl+C
键的默认操作
是复制整行。如果您只需要当前选定单元格的数据,那么您需要将默认的 Action
替换为自定义 Action
。
逻辑如下:
Action copyCell = new AbstractAction()
{
@Override
public void actionPerformed(ActionEvent e)
{
JTable table = (JTable)e.getSource();
int row = table.getSelectedRow();
int column = table.getSelectedColumn();
Object value = table.getValueAt(row, column);
// copy the data to the clipboard
Clipboard c = Toolkit.getDefaultToolkit().getSystemClipboard();
StringSelection testData = new StringSelection( value.toString() );
c.setContents(testData, testData);
}
};
table.getActionMap().put("copy", copyCell);
上面的代码将创建自定义Action
并将其替换在JTable
的ActionMap
中。请参阅Key Bindings 。链接中提供的程序显示了所有默认操作以及每个操作的关键字。
关于java - 如何使 JTable 单元格不可编辑,但应该能够选择并复制当前单元格中的值,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/60086679/