ButtonRenderer和ButtonEditor在哪
时间: 2024-03-01 11:53:32 浏览: 29
这里是ButtonRenderer和ButtonEditor的代码实现:
```
import java.awt.Component;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JTable;
import javax.swing.table.TableCellEditor;
import javax.swing.table.TableCellRenderer;
// 自定义的单元格渲染器,用于渲染按钮
class ButtonRenderer implements TableCellRenderer {
private JButton button;
public ButtonRenderer() {
button = new JButton();
}
public Component getTableCellRendererComponent(JTable table, Object value,
boolean isSelected, boolean hasFocus, int row, int column) {
button.setText((value == null) ? "" : value.toString());
return button;
}
}
// 自定义的单元格编辑器,用于编辑按钮
class ButtonEditor extends DefaultCellEditor {
private JButton button;
private JCheckBox checkBox;
private boolean value;
public ButtonEditor(JCheckBox checkBox) {
super(checkBox);
button = new JButton();
this.checkBox = checkBox;
checkBox.setVisible(false);
}
public Component getTableCellEditorComponent(JTable table, Object value,
boolean isSelected, int row, int column) {
this.value = (value instanceof Boolean) ? (Boolean) value : false;
checkBox.setSelected(this.value);
return button;
}
public Object getCellEditorValue() {
return checkBox.isSelected();
}
public boolean stopCellEditing() {
value = checkBox.isSelected();
return super.stopCellEditing();
}
protected void fireEditingStopped() {
super.fireEditingStopped();
button.setEnabled(true);
}
protected void fireEditingCanceled() {
super.fireEditingCanceled();
button.setEnabled(true);
}
}
```
ButtonRenderer实现了TableCellRenderer接口,用于渲染单元格。它包含一个JButton,用于渲染单元格。ButtonEditor继承了DefaultCellEditor类,并实现了TableCellEditor接口,用于编辑单元格。它包含一个JButton和一个JCheckBox,用于编辑单元格。当用户单击单元格时,它将显示一个带有复选框的按钮,用户可以选择或取消选择该按钮。