我正在尝试轻松编辑使用自定义组件来显示信息的表格。每个单元格有 3 个数据文本。
我想要的是：
- 如果单元格获得焦点，则开始编辑第一个值。
- 在编辑第一个值时，用户按 [TAB]，然后编辑第二个值（不要转到下一个单元格）
- 如果我在第三个值中按 [TAB]，然后，去编辑下一个单元格（输入 1sr 值）
我在论坛中寻找，但我没有找到这个案例，这个问题......仍在阅读以学习 Swing
提前感谢您的回答，这是我的代码：
public class PruebaTabla extends JFrame {
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable(){
public void run() {
new PruebaTabla().setVisible(true);
}});
}
public PruebaTabla(){
JTable tabla = new JTable();
tabla.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
tabla.setCellSelectionEnabled(true);
tabla.setDefaultRenderer(ModelClass.class, new ModelClassCellRederer());
tabla.setDefaultEditor(ModelClass.class, new ModelClasstroCellEditor());
tabla.setRowHeight(30);
CustomModel model = new CustomModel();
model.setModel(new ModelClass[][]{
{new ModelClass(), new ModelClass(), new ModelClass()},
{new ModelClass(), new ModelClass(), new ModelClass()},
{new ModelClass(), new ModelClass(), new ModelClass()}});
tabla.setModel(model);
getContentPane().add(new JScrollPane(tabla));
setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
setSize(480,150);
setLocationRelativeTo(null);
}
private class ModelClass {
private String value1;
private String value2;
private String value3;
public ModelClass(){
setValue1("" + Math.round(Math.random() * 100));
setValue2("" + Math.round(Math.random() * 100));
setValue3("" + Math.round(Math.random() * 100));
}
public String getValue1() {
return value1;
}
public void setValue1(String value1) {
this.value1 = value1;
}
public String getValue2() {
return value2;
}
public void setValue2(String value2) {
this.value2 = value2;
}
public String getValue3() {
return value3;
}
public void setValue3(String value3) {
this.value3 = value3;
}
}
private class CustomModel extends AbstractTableModel{
ModelClass[][] model;
String[] columnNames = new String[] {"Column1", "Column2", "Column3"};
@Override
public Class<?> getColumnClass(int columnIndex) {
return ModelClass.class;
}
@Override
public String getColumnName(int column) {
return columnNames[column];
}
public int getColumnCount() {
return 3;
}
public int getRowCount() {
return 3;
}
public Object getValueAt(int rowIndex, int columnIndex) {
return model[rowIndex][columnIndex];
}
public ModelClass[][] getModel() {
return model;
}
public void setModel(ModelClass[][] model) {
this.model = model;
}
@Override
public boolean isCellEditable(int rowIndex, int columnIndex) {
return true;
}
}
private class ModelClassCellRederer implements TableCellRenderer {
JPanel panel = new JPanel();
private JLabel label1= new JLabel();
private JLabel label2 = new JLabel();
private JLabel label3 = new JLabel();
ModelClassCellRederer(){
panel.add(label1);
panel.add(label2);
panel.add(label3);
}
public Component getTableCellRendererComponent(JTable table,
Object value, boolean isSelected, boolean hasFocus, int row,
int column) {
if (isSelected) {
panel.setBackground(table.getSelectionBackground());
panel.setBorder(UIManager.getBorder("Table.focusCellHighlightBorder"));
} else {
panel.setBackground(table.getBackground());
panel.setBorder(null);
}
ModelClass v = (ModelClass) value;
label1.setText(v.getValue1());
label2.setText(v.getValue2());
label3.setText(v.getValue3());
return panel;
}
}
private class ModelClasstroCellEditor extends DefaultCellEditor {
JPanel panel = new JPanel();
private JTextField label1= new JTextField();
private JTextField label2 = new JTextField();
private JTextField label3 = new JTextField();
ModelClass actual;
public ModelClasstroCellEditor() {
super(new JCheckBox());
panel.add(label1);
panel.add(label2);
panel.add(label3);
setClickCountToStart(1);
}
@Override
public Component getTableCellEditorComponent(JTable table,
Object value, boolean isSelected, int row, int column) {
actual = (ModelClass) value;
label1.setText(actual.getValue1());
label2.setText(actual.getValue2());
label3.setText(actual.getValue3());
return panel;
}
@Override
public Object getCellEditorValue() {
if (actual != null){
actual.setValue1(label1.getText());
actual.setValue2(label2.getText());
actual.setValue3(label3.getText());
}
return actual;
}
@Override
public boolean isCellEditable(EventObject anEvent) {
if (anEvent instanceof KeyEvent) {
final KeyEvent keyEvent = (KeyEvent) anEvent;
SwingUtilities.invokeLater(new Runnable() {
public void run() {
if (!Character.isIdentifierIgnorable(keyEvent.getKeyChar())) {
label1.setText("" + keyEvent.getKeyChar());
}
label1.setCaretPosition(label1.getText().length());
label1.requestFocusInWindow();
}
});
}
return super.isCellEditable(anEvent);
}
}
}