/*
* 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.components.barbecue;
import java.util.HashMap;
import java.util.Map;
import net.sf.jasperreports.engine.JRComponentElement;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRPrintElement;
import net.sf.jasperreports.engine.JRStyle;
import net.sf.jasperreports.engine.component.BaseFillComponent;
import net.sf.jasperreports.engine.component.FillPrepareResult;
import net.sf.jasperreports.engine.fill.JRTemplateImage;
import net.sf.jasperreports.engine.fill.JRTemplatePrintImage;
import net.sf.jasperreports.engine.type.EvaluationTimeEnum;
import net.sf.jasperreports.engine.type.ScaleImageEnum;
import net.sourceforge.barbecue.Barcode;
/**
*
* @author Lucian Chirita (lucianc@users.sourceforge.net)
* @version $Id: BarbecueFillComponent.java 4087 2010-12-15 12:57:45Z narcism $
*/
public class BarbecueFillComponent extends BaseFillComponent
{
private final BarbecueComponent barcodeComponent;
private final Map printTemplates = new HashMap();
private String code;
private String applicationIdentifier;
public BarbecueFillComponent(BarbecueComponent barcode)
{
this.barcodeComponent = barcode;
}
protected BarbecueComponent getBarcode()
{
return barcodeComponent;
}
public void evaluate(byte evaluation) throws JRException
{
if (isEvaluateNow())
{
evaluateBarcode(evaluation);
}
}
protected void evaluateBarcode(byte evaluation) throws JRException
{
code = (String) fillContext.evaluate(
barcodeComponent.getCodeExpression(), evaluation);
applicationIdentifier = (String) fillContext.evaluate(
barcodeComponent.getApplicationIdentifierExpression(), evaluation);
}
protected boolean isEvaluateNow()
{
return barcodeComponent.getEvaluationTimeValue() == EvaluationTimeEnum.NOW;
}
public FillPrepareResult prepare(int availableHeight)
{
return isEvaluateNow() && code == null
? FillPrepareResult.NO_PRINT_NO_OVERFLOW
: FillPrepareResult.PRINT_NO_STRETCH;
}
public JRPrintElement fill()
{
JRTemplateImage templateImage = getTemplateImage();
JRTemplatePrintImage image = new JRTemplatePrintImage(templateImage);
JRComponentElement element = fillContext.getComponentElement();
image.setX(element.getX());
image.setY(fillContext.getElementPrintY());
image.setWidth(element.getWidth());
image.setHeight(element.getHeight());
if (isEvaluateNow())
{
setBarcodeImage(image);
}
else
{
fillContext.registerDelayedEvaluation(image,
barcodeComponent.getEvaluationTimeValue(),
barcodeComponent.getEvaluationGroup());
}
return image;
}
public void evaluateDelayedElement(JRPrintElement element, byte evaluation)
throws JRException
{
evaluateBarcode(evaluation);
setBarcodeImage((JRTemplatePrintImage) element);
}
protected void setBarcodeImage(JRTemplatePrintImage image)
{
BarcodeInfo barcodeInfo = new BarcodeInfo();
barcodeInfo.setType(barcodeComponent.getType());
barcodeInfo.setCode(code);
barcodeInfo.setApplicationIdentifier(applicationIdentifier);
barcodeInfo.setDrawText(barcodeComponent.isDrawText());
barcodeInfo.setRequiresChecksum(barcodeComponent.isChecksumRequired());
barcodeInfo.setBarWidth(barcodeComponent.getBarWidth());
barcodeInfo.setBarHeight(barcodeComponent.getBarHeight());
Barcode barcode = BarcodeProviders.createBarcode(barcodeInfo);
BarbecueRenderer renderer = new BarbecueRenderer(barcode);
renderer.setRotation(BarbecueStyleResolver.getRotationValue(fillContext.getComponentElement()));
image.setRenderer(renderer);
}
protected JRTemplateImage getTemplateImage()
{
JRStyle elementStyle = fillContext.getElementStyle();
JRTemplateImage templateImage = (JRTemplateImage) printTemplates.get(elementStyle);
if (templateImage == null)
{
templateImage = new JRTemplateImage(
fillContext.getElementOrigin(),
fillContext.getDefaultStyleProvider());
templateImage.setStyle(elementStyle);
templateImage.setScaleImage(ScaleImageEnum.RETAIN_SHAPE);
printTemplates.put(elementStyle, templateImage);
}
return templateImage;
}
}