Java Swing 开发之JTable中在添加组件(JCheckBox)

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JTable demoTable= new JTable();

DefaultTableModel dtmDemo = (DefaultTableModel) demoTable.getModel();

String[] tableHeads = { "序号","id","jCheckBox"};

dtmDemo.setColumnIdentifiers(tableHeads);

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demoTable.getColumnModel().getColumn(2).setCellEditor(new CheckBoxCellEditor());

demoTable.getColumnModel().getColumn(2).setCellRenderer(new CWCheckBoxRenderer());

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for(int i=0;i<10;i++){

 Object[] objdata = { i,2,new Boolean(false)/**这里就那个JCheckBox位置*/};

 dtmDemo.addRow(objdata);

}

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//~ Inner Classes ----------------------------------------------------------------------------------------------------

class CheckBoxCellEditor extends AbstractCellEditor implements TableCellEditor {

  //~ Static fields/initializers -------------------------------------------------------------------------------------

  private static final long serialVersionUID = 1L;

  //~ Instance fields ------------------------------------------------------------------------------------------------

  protected JCheckBox checkBox;

  //~ Constructors ---------------------------------------------------------------------------------------------------

  public CheckBoxCellEditor() {

    checkBox = new JCheckBox();

    checkBox.setHorizontalAlignment(SwingConstants.CENTER);

    // checkBox.setBackground( Color.white);

  }

  //~ Methods --------------------------------------------------------------------------------------------------------

  @Override public Object getCellEditorValue() {

    return Boolean.valueOf(checkBox.isSelected());

  }

  //~ ----------------------------------------------------------------------------------------------------------------

  @Override public Component getTableCellEditorComponent(

    JTable  table,

    Object  value,

    boolean isSelected,

    int     row,

    int     column) {

    checkBox.setSelected(((Boolean) value).booleanValue());

    return checkBox;

  }

} // end class CheckBoxCellEditor

class CWCheckBoxRenderer extends JCheckBox implements TableCellRenderer {

  //~ Static fields/initializers -------------------------------------------------------------------------------------

  private static final long serialVersionUID = 1L;

  //~ Instance fields ------------------------------------------------------------------------------------------------

  Border border = new EmptyBorder(1, 2, 1, 2);

  //~ Constructors ---------------------------------------------------------------------------------------------------

  public CWCheckBoxRenderer() {

    super();

    setOpaque(true);

    setHorizontalAlignment(SwingConstants.CENTER);

  }

  //~ Methods --------------------------------------------------------------------------------------------------------

  @Override public Component getTableCellRendererComponent(

    JTable  table,

    Object  value,

    boolean isSelected,

    boolean hasFocus,

    int     row,

    int     column) {

    if (value instanceof Boolean) {

      setSelected(((Boolean) value).booleanValue());

      // setEnabled(table.isCellEditable(row, column));

      setForeground(table.getForeground());

      setBackground(table.getBackground());

    }

    return this;

  }

} // end class CWCheckBoxRenderer