/*!
* 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.designer.core.editor.report.layouting;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import org.pentaho.reporting.designer.core.model.CachedLayoutData;
import org.pentaho.reporting.designer.core.model.ModelUtility;
import org.pentaho.reporting.designer.core.util.BreakPositionsList;
import org.pentaho.reporting.engine.classic.core.Element;
import org.pentaho.reporting.engine.classic.core.MasterReport;
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.layout.model.LogicalPageBox;
import org.pentaho.reporting.engine.classic.core.layout.model.RenderBox;
import org.pentaho.reporting.engine.classic.core.layout.model.context.BoxDefinition;
import org.pentaho.reporting.engine.classic.core.layout.process.IterateSimpleStructureProcessStep;
import org.pentaho.reporting.engine.classic.core.util.InstanceID;
/**
* Computes the mapping between elements and their layouted position.
*
* @author Thomas Morgner
*/
public class TransferGlobalLayoutProcessStep extends IterateSimpleStructureProcessStep
{
private Map<InstanceID, Element> elementsById;
private long age;
private BreakPositionsList horizontalEdgePositions;
private Map<InstanceID, Set<InstanceID>> conflicts;
public TransferGlobalLayoutProcessStep()
{
horizontalEdgePositions = new BreakPositionsList();
elementsById = new HashMap<InstanceID, Element>();
}
public Map<InstanceID, Element> getElementsById()
{
return elementsById;
}
public void performTransfer(final LogicalPageBox logicalPageBox,
final Map<InstanceID, Set<InstanceID>> conflicts,
final MasterReport report)
{
//noinspection AssignmentToCollectionOrArrayFieldFromParameter
this.conflicts = conflicts;
this.age += 1;
try
{
this.elementsById.clear();
elementsById.put(report.getObjectID(), report);
collectDesignTimeElements(report);
startProcessing(logicalPageBox);
}
finally
{
this.conflicts = null;
}
}
private void collectDesignTimeElements(final Section sectionReportElement)
{
final int count = sectionReportElement.getElementCount();
for (int i = 0; i < count; i++)
{
final Element reportElement = sectionReportElement.getElement(i);
final InstanceID id = reportElement.getObjectID();
elementsById.put(id, reportElement);
if (reportElement instanceof Section)
{
collectDesignTimeElements((Section) reportElement);
}
}
if (sectionReportElement instanceof RootLevelBand)
{
final RootLevelBand rlb = (RootLevelBand) sectionReportElement;
for (int i = 0; i < rlb.getSubReportCount(); i += 1)
{
final SubReport reportElement = rlb.getSubReport(i);
final InstanceID id = reportElement.getObjectID();
elementsById.put(id, reportElement);
collectDesignTimeElements(reportElement);
}
}
}
public boolean startBox(final RenderBox box)
{
final InstanceID id = box.getNodeLayoutProperties().getInstanceId();
final Element element = elementsById.get(id);
if (element == null)
{
return true;
}
final CachedLayoutData data = ModelUtility.getCachedLayoutData(element);
if (data.getLayoutAge() == age)
{
return true;
}
data.setX(box.getX());
data.setY(box.getY());
data.setWidth(box.getWidth());
data.setHeight(box.getHeight());
final BoxDefinition boxDefinition = box.getBoxDefinition();
data.setPaddingX(boxDefinition.getPaddingLeft() + boxDefinition.getBorder().getLeft().getWidth());
data.setPaddingY(boxDefinition.getPaddingTop() + boxDefinition.getBorder().getTop().getWidth());
data.setLayoutAge(age);
data.setElementType(box.getNodeType());
data.setConflictsInTableMode(conflicts.containsKey(id));
horizontalEdgePositions.add(data.getX(), id);
horizontalEdgePositions.add(data.getX() + data.getWidth(), id);
return true;
}
public BreakPositionsList getHorizontalEdgePositions()
{
return horizontalEdgePositions;
}
public void reset()
{
horizontalEdgePositions.clear();
elementsById.clear();
}
}