SpinnerBinding.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:4k
源码类别:
xml/soap/webservice
开发平台:
Java
- /*
- * $Id: SpinnerBinding.java,v 1.2 2005/10/10 17:00:53 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.beans.PropertyChangeEvent;
- import java.beans.PropertyChangeListener;
- import javax.swing.JComponent;
- import javax.swing.JSpinner;
- import javax.swing.SpinnerModel;
- import javax.swing.event.ChangeEvent;
- import javax.swing.event.ChangeListener;
- import org.jdesktop.binding.DataModel;
- /**
- * Class which binds a component that supports setting a value within
- * a sequence of values (JSpinner) to a field in a data model.
- * Although this binding is most commonly used for spinners, it may
- * be used with any component that defines a SpinnerModel to represent
- * its current value.
- * @author Amy Fowler
- * @version 1.0
- */
- public class SpinnerBinding extends AbstractBinding {
- private JComponent component;
- private SpinnerModel spinnerModel;
- public SpinnerBinding(JSpinner spinner,
- DataModel dataModel, String fieldName) {
- super(spinner, dataModel, fieldName, AbstractBinding.AUTO_VALIDATE);
- initModel(spinner.getModel());
- }
- public SpinnerBinding(JSpinner spinner,
- DataModel dataModel, String fieldName,
- int validationPolicy) {
- super(spinner, dataModel, fieldName, validationPolicy);
- initModel(spinner.getModel());
- }
- public SpinnerBinding(JComponent component, SpinnerModel spinnerModel,
- DataModel dataModel, String fieldName,
- int validationPolicy) {
- super(component, dataModel, fieldName, validationPolicy);
- initModel(spinnerModel);
- }
- public JComponent getComponent() {
- return component;
- }
- protected void setComponent(JComponent component) {
- this.component = component;
- configureEditability();
- }
- protected void configureEditability() {
- if (!(component instanceof JSpinner)) return;
- JSpinner spinnerComponent = (JSpinner) component;
- spinnerComponent.setEnabled(!metaData.isReadOnly());
- }
- protected void installMetaDataListener() {
- PropertyChangeListener l = new PropertyChangeListener() {
- public void propertyChange(PropertyChangeEvent evt) {
- if ("readOnly".equals(evt.getPropertyName())) {
- configureEditability();
- }
- }
- };
- metaData.addPropertyChangeListener(l);
- }
- protected Object getComponentValue(){
- return spinnerModel.getValue();
- }
- protected void setComponentValue(Object value) {
- if (value != null) {
- spinnerModel.setValue(value);
- }
- }
- private void initModel(SpinnerModel spinnerModel) {
- this.spinnerModel = spinnerModel;
- spinnerModel.addChangeListener(new ChangeListener() {
- public void stateChanged(ChangeEvent e) {
- if (!pulling) {
- setModified(true);
- }
- }
- });
- }
- }