Ptidej-v5.2-master/Ptidej Reporting Tests/src/net/sf/jasperreports/engine/base/JRBaseLine.java
/*
 * ============================================================================
 * GNU Lesser General Public License
 * ============================================================================
 *
 * JasperReports - Free Java report-generating library.
 * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
 * 
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
 * 
 * JasperSoft Corporation
 * 303 Second Street, Suite 450 North
 * San Francisco, CA 94107
 * http://www.jaspersoft.com
 */
package net.sf.jasperreports.engine.base;

import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.JRExpressionCollector;
import net.sf.jasperreports.engine.JRLine;
import net.sf.jasperreports.engine.JRVisitor;


/**
 * The actual implementation of a graphic element representing a straight line.
 * @author Teodor Danciu (teodord@users.sourceforge.net)
 * @version $Id: JRBaseLine.java,v 1.1 2008/09/29 16:21:16 guehene Exp $
 */
public class JRBaseLine extends JRBaseGraphicElement implements JRLine
{


	/**
	 *
	 */
	private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
	
	public static final String PROPERTY_DIRECTION = "direction";

	/**
	 *
	 */
	protected byte direction = DIRECTION_TOP_DOWN;


	/**
	 * Initializes properties that are specific to lines. Common properties are initialized by its
	 * parent constructors.
	 * @param line an element whose properties are copied to this element. Usually it is a
	 * {@link net.sf.jasperreports.engine.design.JRDesignLine} that must be transformed into an
	 * <tt>JRBaseLine</tt> at compile time.
	 * @param factory a factory used in the compile process
	 */
	protected JRBaseLine(JRLine line, JRBaseObjectFactory factory)
	{
		super(line, factory);
		
		this.direction = line.getDirection();
	}
		

	/**
	 *
	 */
	public void setWidth(int width)
	{
		if (width == 0)
		{
			width = 1;
		}
		
		super.setWidth(width);
	}

	/**
	 *
	 */
	public byte getDirection()
	{
		return this.direction;
	}

	/**
	 *
	 */
	public void setDirection(byte direction)
	{
		byte old = this.direction;
		this.direction = direction;
		getEventSupport().firePropertyChange(PROPERTY_DIRECTION, (float) old, (float) this.direction);
	}

	/**
	 *
	 */
	public void collectExpressions(JRExpressionCollector collector)
	{
		collector.collect(this);
	}

	/**
	 *
	 */
	public void visit(JRVisitor visitor)
	{
		visitor.visitLine(this);
	}


}
