/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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.
*
* Copyright (c) 2002-2013 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.core.designtime.compat;
import org.pentaho.reporting.engine.classic.core.AbstractReportDefinition;
import org.pentaho.reporting.engine.classic.core.ClassicEngineBoot;
import org.pentaho.reporting.engine.classic.core.CrosstabGroup;
import org.pentaho.reporting.engine.classic.core.Group;
import org.pentaho.reporting.engine.classic.core.GroupBody;
import org.pentaho.reporting.engine.classic.core.ReportElement;
import org.pentaho.reporting.engine.classic.core.RootLevelBand;
import org.pentaho.reporting.engine.classic.core.Section;
import org.pentaho.reporting.engine.classic.core.SubReport;
import org.pentaho.reporting.engine.classic.core.metadata.ElementMetaData;
import org.pentaho.reporting.engine.classic.core.style.BandStyleKeys;
import org.pentaho.reporting.engine.classic.core.style.ElementStyleKeys;
import org.pentaho.reporting.engine.classic.core.style.ResolverStyleSheet;
import org.pentaho.reporting.engine.classic.core.style.resolver.SimpleStyleResolver;
public class LayoutCompatibility_5_0_Converter extends AbstractCompatibilityConverter
{
private SimpleStyleResolver styleResolver;
private ResolverStyleSheet resolverStyleSheet;
public LayoutCompatibility_5_0_Converter()
{
this.styleResolver = new SimpleStyleResolver(true);
this.resolverStyleSheet = new ResolverStyleSheet();
}
public int getTargetVersion()
{
return ClassicEngineBoot.computeVersionId(5, 0, 0);
}
private boolean isBlockLevelBox(final Section s)
{
if (s == null)
{
return true;
}
styleResolver.resolve(s, resolverStyleSheet);
final Object layout = resolverStyleSheet.getStyleProperty(BandStyleKeys.LAYOUT);
if (BandStyleKeys.LAYOUT_BLOCK.equals(layout))
{
return true;
}
if (layout == null || BandStyleKeys.LAYOUT_AUTO.equals(layout))
{
return isBlockLevelBox(s.getParent());
}
return false;
}
public void inspectElement(final ReportElement element)
{
if (element.getMetaData().getReportElementType() == ElementMetaData.TypeClassification.CONTROL)
{
element.getStyle().setStyleProperty(BandStyleKeys.LAYOUT, null);
element.setStyleExpression(BandStyleKeys.LAYOUT, null);
}
if (element instanceof CrosstabGroup)
{
// legacy crosstab reports did not have a notion of details headers, so they would be empty.
// make sure that they do not appear by default.
final CrosstabGroup g = (CrosstabGroup) element;
g.setPrintDetailsHeader(false);
}
if (element instanceof AbstractReportDefinition ||
element instanceof Group ||
element instanceof GroupBody)
{
// users may have set all sorts of random values. We need to auto-correct that.
element.getStyle().setStyleProperty(BandStyleKeys.LAYOUT, null);
}
final Section parentSection = element.getParentSection();
if (isBlockLevelBox(parentSection))
{
if (element instanceof SubReport && parentSection instanceof RootLevelBand)
{
final SubReport subReport = (SubReport) element;
final RootLevelBand rootLevelBand = (RootLevelBand) parentSection;
for (final SubReport r : rootLevelBand.getSubReports())
{
if (r == subReport)
{
// In the old days, banded-subreports did not receive any style when computing the layout.
// When migrating report, we at least remove the most offensive properties on subreports.
subReport.getStyle().setStyleProperty(ElementStyleKeys.MIN_WIDTH, null);
subReport.getStyle().setStyleProperty(ElementStyleKeys.MIN_HEIGHT, null);
subReport.getStyle().setStyleProperty(ElementStyleKeys.MAX_WIDTH, null);
subReport.getStyle().setStyleProperty(ElementStyleKeys.MAX_HEIGHT, null);
subReport.getStyle().setStyleProperty(ElementStyleKeys.WIDTH, null);
subReport.getStyle().setStyleProperty(ElementStyleKeys.HEIGHT, null);
subReport.getStyle().setStyleProperty(ElementStyleKeys.AVOID_PAGEBREAK_INSIDE, null);
}
}
}
}
}
}