/*
* 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/>.
*/
/*
* Contributors:
* Alex Parfenov - aparfeno@users.sourceforge.net
* Adrian Jackson - iapetus@users.sourceforge.net
* David Taylor - exodussystems@users.sourceforge.net
* Lars Kristensen - llk@users.sourceforge.net
*/
package net.sf.jasperreports.engine.export;
import java.util.Iterator;
import java.util.ListIterator;
import java.util.Stack;
import net.sf.jasperreports.crosstabs.JRCellContents;
import net.sf.jasperreports.engine.JRPrintElement;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.base.JRBasePrintFrame;
/**
* @author Teodor Danciu (teodord@users.sourceforge.net)
* @version $Id: JRHtmlExporter.java 3675 2010-04-02 08:58:23Z shertage $
*/
public class JRHtmlExporterHelper
{
private final static Integer TABLE_TYPE_TABLE = 1;
private final static Integer TABLE_TYPE_CROSSTAB = 2;
JasperPrint jasperPrint = null;
Stack<Integer> tableTypes = new Stack<Integer>();
public JRHtmlExporterHelper(JasperPrint jasperPrint)
{
this.jasperPrint = jasperPrint;
}
/**
*
*/
public void createNestedFrames(ListIterator elemIt, JRBasePrintFrame parentFrame)//FIXME need to make this recursive for frames
{
while (elemIt.hasNext())
{
JRPrintElement element = (JRPrintElement)elemIt.next();
if (element.hasProperties())
{
String tableTagProp = element.getPropertiesMap().getProperty(JRPdfExporterTagHelper.PROPERTY_TAG_TABLE);
boolean tableStart = JRPdfExporterTagHelper.TAG_START.equals(tableTagProp);// || JRPdfExporterTagHelper.TAG_FULL.equals(prop)))
String crosstabProp = element.getPropertiesMap().getProperty(JRCellContents.PROPERTY_TYPE);
boolean crosstabStart = JRCellContents.TYPE_CROSSTAB_HEADER.equals(crosstabProp);
if (tableStart || crosstabStart)
{
tableTypes.push(crosstabStart ? TABLE_TYPE_CROSSTAB : TABLE_TYPE_TABLE);
JRBasePrintFrame nestedFrame = new JRBasePrintFrame(jasperPrint.getDefaultStyleProvider());
nestedFrame.getPropertiesMap().setProperty(JRHtmlExporterParameter.PROPERTY_FRAMES_AS_NESTED_TABLES, Boolean.TRUE.toString());
nestedFrame.addElement(element);
createNestedFrames(elemIt, nestedFrame);
sizeFrame(nestedFrame);
parentFrame.addElement(nestedFrame);
continue;
}
if (
tableTypes.size() > 0
&& (TABLE_TYPE_CROSSTAB.equals(tableTypes.get(tableTypes.size() - 1))
&& crosstabProp == null)
||
JRPdfExporterTagHelper.TAG_END.equals(tableTagProp)// || JRPdfExporterTagHelper.TAG_FULL.equals(prop)))
)
{
//crosstab or table ended;
tableTypes.pop();
//parentFrame.addElement(element);
break;
}
}
parentFrame.addElement(element);
}
return;
}
/**
*
*/
private void sizeFrame(JRBasePrintFrame frame)
{
int x = Integer.MAX_VALUE;
int y = Integer.MAX_VALUE;
int width = 0;
int height = 0;
for (Iterator it = frame.getElements().iterator(); it.hasNext();)
{
JRPrintElement element = (JRPrintElement)it.next();
x = element.getX() < x ? element.getX() : x;
y = element.getY() < y ? element.getY() : y;
width = element.getX() + element.getWidth() > width ? element.getX() + element.getWidth() : width;
height = element.getY() + element.getHeight() > height ? element.getY() + element.getHeight() : height;
}
frame.setX(x);// - x);
frame.setY(y);// - y);
frame.setWidth(width - x);
frame.setHeight(height - y);
for (Iterator it = frame.getElements().iterator(); it.hasNext();)
{
JRPrintElement element = (JRPrintElement)it.next();
element.setX(element.getX() - x);
element.setY(element.getY() - y);
}
}
}