/*
* 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) 2009 Pentaho Corporation. All rights reserved.
*/
package org.pentaho.reporting.designer.core.editor.report;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.geom.Rectangle2D;
import java.awt.image.ImageObserver;
import org.pentaho.reporting.designer.core.editor.ReportRenderContext;
import org.pentaho.reporting.designer.core.model.CachedLayoutData;
import org.pentaho.reporting.designer.core.model.ModelUtility;
import org.pentaho.reporting.designer.core.settings.WorkspaceSettings;
import org.pentaho.reporting.engine.classic.core.Element;
import org.pentaho.reporting.engine.classic.core.ReportElement;
import org.pentaho.reporting.engine.classic.core.Section;
import org.pentaho.reporting.engine.classic.core.util.geom.StrictGeomUtility;
/**
* Todo: Document me!
* <p/>
* Date: 26.04.2009
* Time: 20:44:33
*
* @author Thomas Morgner.
*/
public class OverlappingElementOverlayRenderer implements OverlayRenderer
{
private static final Color HIGHLIGHT = new Color(255, 128, 128, 64);
private Element rootElement;
private double zoomFactor;
private Rectangle2D elementBounds;
public OverlappingElementOverlayRenderer(final Element defaultElement)
{
this.elementBounds = new Rectangle2D.Double();
this.rootElement = defaultElement;
}
public void validate(final ReportRenderContext context, final double zoomFactor)
{
this.zoomFactor = zoomFactor;
}
public void draw(final Graphics2D graphics, final Rectangle2D bounds, final ImageObserver obs)
{
if (WorkspaceSettings.getInstance().isShowOverlappingElements() == false)
{
return;
}
draw(rootElement, graphics);
}
private void draw(final Element element, final Graphics2D graphics2D)
{
final CachedLayoutData layoutData = ModelUtility.getCachedLayoutData(element);
if (layoutData.getLayoutAge() > -1 && layoutData.isConflictsInTableMode())
{
final double x = StrictGeomUtility.toExternalValue(layoutData.getX());
final double y = StrictGeomUtility.toExternalValue(layoutData.getY());
final double width = StrictGeomUtility.toExternalValue(layoutData.getWidth());
final double height = StrictGeomUtility.toExternalValue(layoutData.getHeight());
elementBounds.setFrame(x * zoomFactor, y * zoomFactor, width * zoomFactor, height * zoomFactor);
graphics2D.setPaint(HIGHLIGHT);
graphics2D.fill(elementBounds);
}
if (element instanceof Section)
{
final Section section = (Section) element;
final int count = section.getElementCount();
for (int i = 0; i < count; i++)
{
final ReportElement e = section.getElement(i);
if (e instanceof Element)
{
draw((Element) e, graphics2D);
}
}
}
}
}