objectpropertysheetview.java

来自「Hibernate开发及整合应用大全 蔡雪焘编著 本书用典型的示例剖析Hiber」· Java 代码 · 共 113 行

/*
 * Created on 13-08-2004
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
package net.sf.hibernate.console.views;

import java.awt.Container;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

import net.sf.hibernate.console.HibernateIdentifierProperty;
import net.sf.hibernate.console.HibernateProperty;
import net.sf.hibernate.HibernateException;
import net.sf.hibernate.Session;
import net.sf.hibernate.metadata.ClassMetadata;
import net.sf.hibernate.proxy.HibernateProxyHelper;

import com.l2fprod.common.propertysheet.Property;
import com.l2fprod.common.propertysheet.PropertySheet;
import com.l2fprod.common.propertysheet.PropertySheetPanel;

/**
 * @author MAX
 *
 */
public class ObjectPropertySheetView extends AbstractSessionView {

	final private PropertySheetPanel sheet;
	
	public ObjectPropertySheetView() {
		sheet = new PropertySheetPanel(); 
		sheet.setMode(PropertySheet.VIEW_AS_CATEGORIES);				
	}
	
	public void objectUpdated(Session session, Object o) {
		updateSheet(o, session);
	}

	public Container getContainer() {
		return sheet;
	}

	void updateSheet(final Object o, Session s) {
		/*DefaultBeanInfoResolver resolver = new HibernateBeanInfoResolver(sf);
		BeanInfo beanInfo = resolver.getBeanInfo(o);
		PropertyDescriptor[] propertyDescriptors = new PropertyDescriptor[0];
		if(beanInfo!=null) {
			propertyDescriptors = beanInfo.getPropertyDescriptors();
		}*/
		
		Property[] propertyDescriptors = extractProperties(o, s);
	
		if(pcl!=null) {
			sheet.removePropertySheetChangeListener(pcl);
		}
		
		sheet.setProperties(propertyDescriptors);
		sheet.readFromObject(o);
		pcl = new PropertyChangeListener() {
			public void propertyChange(PropertyChangeEvent evt) {
				sheet.writeToObject(o);
			}
		};
		sheet.addPropertySheetChangeListener(pcl);
										
	}

	PropertyChangeListener pcl = null;
	
	private Property[] extractProperties(Object o, Session s) {
		try {
		if(!s.contains(o)) {
			return new Property[0];
		}
		ClassMetadata classMetadata = s.getSessionFactory().getClassMetadata(HibernateProxyHelper.getClass(o));
		
		String[] propertyNames = classMetadata.getPropertyNames();
		int length = propertyNames.length;
		Property identifier = null;
		Property version = null;
		if(classMetadata.hasIdentifierProperty()) {
			identifier = new HibernateIdentifierProperty(classMetadata.getIdentifierPropertyName(),classMetadata);
			length++;
		}
		/*
		if(classMetadata.isVersioned()) {
			version = new HibernateProperty(classMetadata.getV,classMetadata, HibernateProperty.VERSION);
			length++;
		}*/
		
		Property[] properties = new Property[length];
		
		int idx = 0;
		if(identifier!=null) {
			properties[idx++] = identifier; 
		}
		if(version!=null) {
			properties[idx++] = version;
		}
		
		for (int i = 0; i < propertyNames.length; i++) {
			properties[i+idx] = new HibernateProperty(propertyNames[i],classMetadata);
		}
		return properties;
		} catch (HibernateException he) {
			throw new RuntimeException("extractProperties", he);
		}
	}

}