xdev.ui.XdevNmListBox Maven / Gradle / Ivy

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/*
 * XDEV Application Framework - XDEV Application Framework
 * Copyright © 2003 XDEV Software (https://xdev.software)
 *
 * This program 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 3 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see .
 */
package xdev.ui;


import java.util.ArrayList;
import java.util.List;

import xdev.db.DBConnection;
import xdev.db.DBException;
import xdev.db.sql.Condition;
import xdev.ui.ManyToMany.State;
import xdev.util.logging.LoggerFactory;
import xdev.util.logging.XdevLogger;
import xdev.vt.KeyValues;
import xdev.vt.VirtualTable;
import xdev.vt.VirtualTable.VirtualTableRow;
import xdev.vt.VirtualTableException;


public class XdevNmListBox extends XdevListBox implements ManyToManyComponent
{
	
	/**
	 * Logger instance for this class.
	 */
	private static final XdevLogger	log	= LoggerFactory.getLogger(XdevNmListBox.class);
	
	private State					state;
	private VirtualTable			savedState;
	
	
	public XdevNmListBox()
	{
		super(true);
	}
	
	
	@Override
	public void setModel(VirtualTable vt, String itemCol, String dataCol, boolean queryData)
	{
		/*
		 * Dont't use unique indices in this VT because most of the values are
		 * not used, default values will be added and
		 * UniqueIndexDoubleValuesException are thrown
		 */
		vt = vt.clone(!queryData);
		vt.setCheckUniqueIndexDoubleValues(false);
		
		super.setModel(vt,itemCol,dataCol,false);
		
		/*
		 * Don't query all the data of the nm-table, use the refresh method
		 * instead to get a reasonable result.
		 */
		if(queryData)
		{
			Formular form = FormularSupport.getFormularOf(this);
			if(form != null)
			{
				VirtualTable masterVT = form.getVirtualTable();
				if(masterVT != null)
				{
					refresh(masterVT.createRow());
				}
			}
		}
	}
	
	
	@Override
	public void refresh(VirtualTableRow masterRecord)
	{
		try
		{
			state = new State(masterRecord,getVirtualTable());
			
			List