JTable中的JButton：按钮正常工作，但单击时文本消失

Question

我有一个Jtable，每行上都有一个按钮来删除该行。 文本设置为“删除”。 当我选择按钮时，文本消失。 如何设置所选按钮的文字？

渲染器：

public class JButtonRenderer  extends JButton implements TableCellRenderer {

    public JButtonRenderer(){
        this.setText("Delete");
    }

    @Override
    public Component getTableCellRendererComponent(JTable arg0, Object arg1, boolean arg2, boolean arg3, int arg4,
            int arg5) {
        return this;
    }
}

编辑：

public class DeleteButtonCellEditor extends AbstractCellEditor implements
TableCellEditor {

private JButton button = new JButton();

private static final long serialVersionUID = 1L;

public DeleteButtonCellEditor(){
    button.addActionListener(new ActionListener(){
        @Override
        public void actionPerformed(ActionEvent arg0) {
              //Perform Button Actions
        }
    });
}

@Override
public Object getCellEditorValue() {
    return "Delete";
}

@Override
public Component getTableCellEditorComponent(JTable arg0, Object arg1, boolean arg2, int arg3, int arg4) {
    return button;
}
}

Answer 1

尝试将此类与TableCellEditor ， TableCellRenderer

class JButtonRenderer extends AbstractCellEditor implements TableCellEditor, TableCellRenderer {

        public JButtonRenderer() {
        }

        @Override
        public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
            JButton b = new JButton("Delete");
            return b;
        }

        @Override
        public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected, final int row, int column) {
            JButton b = new JButton("Delete");
            b.addActionListener(new java.awt.event.ActionListener() {

                @Override
                public void actionPerformed(ActionEvent e) {
                    // code
                }
            });
            return b;
        }

        @Override
        public Object getCellEditorValue() {
            return null;
        }

        @Override
        public boolean isCellEditable(EventObject anEvent) {
            return true;
        }

        @Override
        public boolean shouldSelectCell(EventObject anEvent) {
            return true;
        }
    }

并使用：

JButtonRenderer compCellDelete = new JButtonRenderer();

jTable1.getColumnModel().getColumn(your_column_index).setCellEditor(compCellDelete);
jTable1.getColumnModel().getColumn(your_column_index).setCellRenderer(compCellDelete);