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Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2019 TIBCO Software Inc. 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 .
*/
package net.sf.jasperreports.engine.fill;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import net.sf.jasperreports.engine.JRBreak;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRExpressionCollector;
import net.sf.jasperreports.engine.JRPrintElement;
import net.sf.jasperreports.engine.JRVisitor;
import net.sf.jasperreports.engine.type.BreakTypeEnum;
/**
* @author Teodor Danciu ([email protected])
*/
public class JRFillBreak extends JRFillElement implements JRBreak
{
private static final Log log = LogFactory.getLog(JRFillBreak.class);
/**
*
*/
protected JRFillBreak(
JRBaseFiller filler,
JRBreak breakElement,
JRFillObjectFactory factory
)
{
super(filler, breakElement, factory);
}
protected JRFillBreak(JRFillBreak breakElement, JRFillCloneFactory factory)
{
super(breakElement, factory);
}
@Override
public int getWidth()
{
int width;
switch (getTypeValue())
{
case PAGE:
width = filler.pageWidth - filler.leftMargin - filler.rightMargin;
break;
default:
width = filler.columnWidth;
break;
}
return width;
}
@Override
public BreakTypeEnum getTypeValue()
{
return ((JRBreak)parent).getTypeValue();
}
@Override
public void setType(BreakTypeEnum type)
{
throw new UnsupportedOperationException();
}
@Override
protected void evaluate(
byte evaluation
) throws JRException
{
this.reset();
this.evaluatePrintWhenExpression(evaluation);
evaluateProperties(evaluation);
evaluateStyle(evaluation);
setValueRepeating(true);
}
@Override
protected JRPrintElement fill()
{
return null;
// JRPrintLine printLine = null;
//
// printLine = new JRBasePrintLine(filler.getJasperPrint().getDefaultStyleProvider());
// printLine.setX(0);
// printLine.setY(this.getRelativeY());
// printLine.setWidth(getWidth());
// printLine.setHeight(1);
// printLine.setPen(JRGraphicElement.PEN_DOTTED);
// printLine.setForecolor(getForecolor());
//
// return printLine;
}
@Override
protected JRTemplateElement createElementTemplate()
{
// not called
return null;
}
@Override
public void collectExpressions(JRExpressionCollector collector)
{
collector.collect(this);
}
@Override
public void visit(JRVisitor visitor)
{
visitor.visitBreak(this);
}
@Override
protected void resolveElement (JRPrintElement element, byte evaluation)
{
// nothing
}
@Override
public JRFillCloneable createClone(JRFillCloneFactory factory)
{
return new JRFillBreak(this, factory);
}
@Override
public void rewind()
{
}
@Override
protected boolean prepare(
int availableHeight,
boolean isOverflow
) throws JRException
{
super.prepare(availableHeight, isOverflow);
if (!this.isToPrint())
{
return false;
}
boolean isToPrint = true;
if (isOverflow && this.isAlreadyPrinted())// && !this.isPrintWhenDetailOverflows())
{
isToPrint = false;
}
//boolean willOverflow = false;
if (
isToPrint &&
availableHeight < getRelativeY() + getHeight()
)
{
isToPrint = false;
//willOverflow = true;
}
if (isToPrint)
{
boolean paginationIgnored = filler.isIgnorePagination();
if (getTypeValue() == BreakTypeEnum.COLUMN)
{
//column break
if (paginationIgnored)
{
// unpaginated report, column breaks not honoured
if (log.isTraceEnabled())
{
log.trace("unpaginated report, column break not triggered");
}
}
else if (!filler.isFirstColumnBand || band.atLeastOneElementIsToPrint)
{
setPrepareHeight(availableHeight - getRelativeY());
}
}
else
{
//page break
if (!band.isPageBreakInhibited())
{
boolean apply = true;
if (paginationIgnored)
{
String propValue = filler.getPropertiesUtil().getProperty(this, PROPERTY_PAGE_BREAK_NO_PAGINATION);
apply = propValue != null && propValue.equals(PAGE_BREAK_NO_PAGINATION_APPLY);
if (log.isTraceEnabled())
{
log.trace("unpaginated report, page break appied " + apply);
}
}
if (apply)
{
setPrepareHeight(availableHeight - getRelativeY());
filler.columnIndex = filler.columnCount - 1;
}
}
}
}
this.setToPrint(isToPrint);
this.setReprinted(false);
return false;
}
}