org.surveyforge.util.jgoodies.JXPathPresentationModel.java Source code

Introduction

Here is the source code for org.surveyforge.util.jgoodies.JXPathPresentationModel.java

Source

/* 
 * surveyforge-util - Copyright (C) 2006 OPEN input - http://www.openinput.com/
 *
 * This program is free software; you can redistribute it and/or modify it 
 * under the terms of the GNU General Public License as published by the 
 * Free Software Foundation; either version 2 of the License, or (at your 
 * option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along 
 * with this program; if not, write to 
 *   the Free Software Foundation, Inc., 
 *   59 Temple Place, Suite 330, 
 *   Boston, MA 02111-1307 USA
 *   
 * $Id$
 */
package org.surveyforge.util.jgoodies;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyVetoException;

import com.jgoodies.binding.PresentationModel;
import com.jgoodies.binding.value.AbstractValueModel;
import com.jgoodies.binding.value.Trigger;
import com.jgoodies.binding.value.ValueHolder;
import com.jgoodies.binding.value.ValueModel;

/**
 * @author jgonzalez
 */
public class JXPathPresentationModel extends PresentationModel {
    private static final long serialVersionUID = 316651705706991364L;

    private final JXPathBeanAdapter beanAdapter;

    public JXPathPresentationModel(Object bean) {
        this(new ValueHolder(bean, true));
    }

    public JXPathPresentationModel(Object bean, ValueModel triggerChannel) {
        this(new ValueHolder(bean, true), triggerChannel);
    }

    public JXPathPresentationModel(ValueModel beanChannel) {
        this(beanChannel, new Trigger());
    }

    public JXPathPresentationModel(ValueModel beanChannel, ValueModel triggerChannel) {
        super(beanChannel, triggerChannel);
        this.beanAdapter = new JXPathBeanAdapter(beanChannel, true);
        this.beanAdapter.addPropertyChangeListener(new BeanChangeHandler());
        observeChanged(this.beanAdapter, JXPathBeanAdapter.PROPERTYNAME_CHANGED);
    }

    public Object getValue(String propertyName) {
        return this.beanAdapter.getValue(propertyName);
    }

    public void setValue(String propertyName, Object newValue) {
        this.beanAdapter.setValue(propertyName, newValue);
    }

    public void setVetoableValue(String propertyName, Object newValue) throws PropertyVetoException {
        this.beanAdapter.setVetoableValue(propertyName, newValue);
    }

    public AbstractValueModel getModel(String propertyName) {
        return this.beanAdapter.getValueModel(propertyName);
    }

    public AbstractValueModel getModel(String propertyName, String getterName, String setterName) {
        return this.beanAdapter.getValueModel(propertyName, getterName, setterName);
    }

    public void resetChanged() {
        setChanged(false);
        this.beanAdapter.resetChanged();
    }

    public synchronized void addBeanPropertyChangeListener(PropertyChangeListener listener) {
        this.beanAdapter.addBeanPropertyChangeListener(listener);
    }

    public synchronized void removeBeanPropertyChangeListener(PropertyChangeListener listener) {
        this.beanAdapter.removeBeanPropertyChangeListener(listener);
    }

    public synchronized void addBeanPropertyChangeListener(String propertyName, PropertyChangeListener listener) {
        this.beanAdapter.addBeanPropertyChangeListener(propertyName, listener);
    }

    public synchronized void removeBeanPropertyChangeListener(String propertyName,
            PropertyChangeListener listener) {
        this.beanAdapter.removeBeanPropertyChangeListener(propertyName, listener);
    }

    public synchronized PropertyChangeListener[] getBeanPropertyChangeListeners() {
        return this.beanAdapter.getBeanPropertyChangeListeners();
    }

    public synchronized PropertyChangeListener[] getBeanPropertyChangeListeners(String propertyName) {
        return this.beanAdapter.getBeanPropertyChangeListeners(propertyName);
    }

    private class BeanChangeHandler implements PropertyChangeListener {
        public void propertyChange(PropertyChangeEvent evt) {
            Object oldBean = evt.getOldValue();
            Object newBean = evt.getNewValue();
            String propertyName = evt.getPropertyName();
            if (JXPathBeanAdapter.PROPERTYNAME_BEFORE_BEAN.equals(propertyName)) {
                beforeBeanChange(oldBean, newBean);
            } else if (JXPathBeanAdapter.PROPERTYNAME_BEAN.equals(propertyName)) {
                firePropertyChange(PROPERTYNAME_BEAN, oldBean, newBean, true);
            } else if (JXPathBeanAdapter.PROPERTYNAME_AFTER_BEAN.equals(propertyName)) {
                afterBeanChange(oldBean, newBean);
            }
        }
    }
}