[英]how to make JTable cell non editable but should be able to select and copy the value in current cell
我試圖使 JTable 單元格不可編輯,但如果我這樣做,當我嘗試復制整行被選中時,我無法選擇單個單元格值,我只想復制選定的單元格值而不是整行。是有辦法嗎?
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);
}
}
當我嘗試復制整行被選中時,我只想復制選定的單元格值而不是整行
Ctrl+C
鍵的默認Action
是復制整行。 如果您只想要當前選定單元格的數據,則需要將默認Action
替換為自定義Action
。
邏輯將是這樣的:
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);
上面的代碼將創建自定義Action
並在JTable
的ActionMap
中替換它。 請參閱鍵綁定。 鏈接中提供的程序顯示了所有默認操作和每個操作的關鍵字。
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