/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2009 Jaspersoft Corporation. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports 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.
*
* JasperReports 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 JasperReports. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.jasperreports.engine.base;
import java.io.IOException;
import java.io.ObjectInputStream;
import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.JRExpressionCollector;
import net.sf.jasperreports.engine.JRLine;
import net.sf.jasperreports.engine.JRVisitor;
import net.sf.jasperreports.engine.type.LineDirectionEnum;
/**
* The actual implementation of a graphic element representing a straight line.
* @author Teodor Danciu (teodord@users.sourceforge.net)
* @version $Id: JRBaseLine.java 3715 2010-04-08 18:08:49Z teodord $
*/
public class JRBaseLine extends JRBaseGraphicElement implements JRLine
{
/**
*
*/
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
public static final String PROPERTY_DIRECTION = "direction";
/**
*
*/
protected LineDirectionEnum directionValue = LineDirectionEnum.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);
directionValue = line.getDirectionValue();
}
/**
*
*/
public void setWidth(int width)
{
if (width == 0)
{
width = 1;
}
super.setWidth(width);
}
/**
* @deprecated Replaced by {@link #getDirectionValue()}.
*/
public byte getDirection()
{
return getDirectionValue().getValue();
}
/**
* @deprecated Replaced by {@link #setDirection(LineDirectionEnum)}.
*/
public void setDirection(byte direction)
{
setDirection(LineDirectionEnum.getByValue(direction));
}
/**
*
*/
public LineDirectionEnum getDirectionValue()
{
return directionValue;
}
/**
*
*/
public void setDirection(LineDirectionEnum directionValue)
{
LineDirectionEnum old = this.directionValue;
this.directionValue = directionValue;
getEventSupport().firePropertyChange(PROPERTY_DIRECTION, old, this.directionValue);
}
/**
*
*/
public void collectExpressions(JRExpressionCollector collector)
{
collector.collect(this);
}
/**
*
*/
public void visit(JRVisitor visitor)
{
visitor.visitLine(this);
}
/*
* These fields are only for serialization backward compatibility.
*/
private int PSEUDO_SERIAL_VERSION_UID = JRConstants.PSEUDO_SERIAL_VERSION_UID; //NOPMD
/**
* @deprecated
*/
private byte direction;
private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException
{
in.defaultReadObject();
if (PSEUDO_SERIAL_VERSION_UID < JRConstants.PSEUDO_SERIAL_VERSION_UID_3_7_2)
{
directionValue = LineDirectionEnum.getByValue(direction);
}
}
}