/*
* Copyright (c) 2009, Tony Kohar. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied.
*
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.qi4j.library.swing.entityviewer;
import java.awt.BorderLayout;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableModel;
import org.qi4j.api.association.AssociationStateHolder;
import org.qi4j.api.entity.EntityComposite;
import org.qi4j.api.entity.EntityDescriptor;
import org.qi4j.api.property.PropertyDescriptor;
import org.qi4j.api.query.Query;
import org.qi4j.spi.Qi4jSPI;
/**
* Entity Properties Viewer as Swing Component.
*/
public class PropertiesPanel
extends JPanel
{
protected JTable propertiesTable;
protected Qi4jSPI qi4jspi;
public PropertiesPanel()
{
this.setLayout( new BorderLayout() );
JScrollPane scrollPane = new JScrollPane();
this.add( scrollPane, BorderLayout.CENTER );
propertiesTable = new JTable();
scrollPane.setViewportView( propertiesTable );
}
public void initializeQi4J( Qi4jSPI qi4j )
{
this.qi4jspi = qi4j;
}
/**
* Reload the table data with query based on the supplied query
*
* @param query the query to generate table data
*/
public void reload( Query query )
{
TableModel tableModel = createData( query );
propertiesTable.setModel( tableModel );
}
/**
* Create table table or properties using the supplied query
*
* @param query the Query
*
* @return TableModel
*/
protected TableModel createData( Query query )
{
DefaultTableModel model = new DefaultTableModel();
for( Object qObj : query )
{
AssociationStateHolder state = qi4jspi.stateOf( (EntityComposite) qObj );
EntityDescriptor descriptor = qi4jspi.entityDescriptorFor( (EntityComposite) qObj );
// genereate column, first time only
if( model.getColumnCount() < 1 )
{
for( PropertyDescriptor persistentPropertyDescriptor : descriptor.state()
.properties() )
{
model.addColumn( persistentPropertyDescriptor.qualifiedName().name() );
}
}
Object[] rowData = new Object[ model.getColumnCount() ];
int i = 0;
for( PropertyDescriptor persistentPropertyDescriptor : descriptor.state().properties() )
{
rowData[ i++] = state.propertyFor( persistentPropertyDescriptor.accessor() );
}
model.addRow( rowData );
}
return model;
}
}