BooleanBinding.java
资源名称:swingx.zip [点击查看]
上传用户:zhengdagz
上传日期:2014-03-06
资源大小:1956k
文件大小:3k
源码类别:
xml/soap/webservice
开发平台:
Java
- /*
- * $Id: BooleanBinding.java,v 1.2 2005/10/10 17:00:54 rbair Exp $
- *
- * Copyright 2004 Sun Microsystems, Inc., 4150 Network Circle,
- * Santa Clara, California 95054, U.S.A. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
- package org.jdesktop.binding.swingx;
- import java.awt.event.ItemEvent;
- import java.awt.event.ItemListener;
- import javax.swing.ButtonModel;
- import javax.swing.JComponent;
- import javax.swing.JToggleButton;
- import org.jdesktop.binding.DataModel;
- /**
- * Class which binds a component that supports setting a boolean
- * value (JCheckBox) to a data model field which is type Boolean.
- * Although this binding is most commonly used for checkboxes, it may
- * be used with any component that defines a ButtonModel to represent
- * its selected state.
- *
- * @author Amy Fowler
- * @version 1.0
- */
- public class BooleanBinding extends AbstractBinding {
- private JComponent component;
- private ButtonModel buttonModel;
- public BooleanBinding(JToggleButton toggleButton,
- DataModel dataModel, String fieldName) {
- // checkboxes don't need to be validated because they cannot have a null
- // value and type conversion should not be necessary.
- super(toggleButton, dataModel, fieldName, AbstractBinding.AUTO_VALIDATE_NONE);
- initModel(toggleButton.getModel());
- }
- public BooleanBinding(JComponent component, ButtonModel buttonModel,
- DataModel dataModel, String fieldName) {
- super(component, dataModel, fieldName, AbstractBinding.AUTO_VALIDATE_NONE);
- initModel(buttonModel);
- }
- public JComponent getComponent() {
- return component;
- }
- protected void setComponent(JComponent component) {
- this.component = component;
- }
- protected Object getComponentValue(){
- return Boolean.valueOf(buttonModel.isSelected());
- }
- protected void setComponentValue(Object value) {
- if (value != null) {
- buttonModel.setSelected( ( (Boolean) value).booleanValue());
- } else {
- buttonModel.setSelected(false);
- }
- }
- private void initModel(ButtonModel model) {
- buttonModel = model;
- buttonModel.addItemListener(new ItemListener() {
- public void itemStateChanged(ItemEvent e) {
- if (!pulling) {
- setModified(true);
- }
- }
- });
- }
- }