package org.gvt.action;
import org.eclipse.draw2d.Figure;
import org.eclipse.draw2d.Graphics;
import org.eclipse.draw2d.SWTGraphics;
import org.eclipse.draw2d.ScalableLayeredPane;
import org.eclipse.gef.ui.parts.ScrollingGraphicalViewer;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.widgets.Shell;
import org.gvt.ChisioMain;
import org.gvt.editpart.ChsRootEditPart;
import org.gvt.editpart.ChsScalableRootEditPart;
import org.gvt.model.CompoundModel;
import javax.print.*;
import javax.print.attribute.HashPrintRequestAttributeSet;
import javax.print.attribute.PrintRequestAttributeSet;
import javax.print.attribute.standard.Copies;
import javax.print.attribute.standard.JobName;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.util.Locale;
/**
* Action for printing the graph from default printer.
*
* @author Cihan Kucukkececi
* @author Ozgun Babur
*
* Copyright: Bilkent Center for Bioinformatics, 2007 - present
*/
public class PrintAction extends Action
{
ChisioMain main;
public PrintAction(ChisioMain chisio)
{
super("Print Pathway ...");
setToolTipText(getText());
setImageDescriptor(ImageDescriptor.createFromFile(
ChisioMain.class,
"icon/print.png"));
this.main = chisio;
}
public void run()
{
final Shell shell = main.getShell();
Figure rootFigure;
Rectangle bounds;
if (main.getViewer() == null) return;
rootFigure = (Figure) ((ChsScalableRootEditPart) main.getViewer().
getRootEditPart()).getFigure().getChildren().get(0);
ScalableLayeredPane layer =
(ScalableLayeredPane) rootFigure.getChildren().get(0);
double scale = layer.getScale();
layer.setScale(1.0);
bounds = getBounds(main.getViewer(), rootFigure);
final Image image = new Image(shell.getDisplay(), bounds);
GC gc = new GC(image);
if (ChisioMain.runningOnWindows)
{
gc.setAntialias(SWT.ON);
gc.setTextAntialias(SWT.ON);
}
else
{
gc.setAntialias(SWT.OFF);
gc.setTextAntialias(SWT.OFF);
}
Graphics graphics = new SWTGraphics(gc);
rootFigure.paint(graphics);
graphics.dispose();
ImageLoader loader = new ImageLoader();
loader.data = new ImageData[]{image.getImageData()};
ByteArrayOutputStream os = new ByteArrayOutputStream();
loader.save(os, SWT.IMAGE_BMP);
layer.setScale(scale);
try
{
PrintRequestAttributeSet pras = new HashPrintRequestAttributeSet();
pras.add(new Copies(1));
pras.add(new JobName(main.getOwlFileName(), Locale.getDefault()));
PrintService ps = ServiceUI.printDialog(null, 100, 100,
PrintServiceLookup.lookupPrintServices(DocFlavor.INPUT_STREAM.JPEG, pras),
PrintServiceLookup.lookupDefaultPrintService(),
DocFlavor.INPUT_STREAM.JPEG,
pras);
if (ps != null)
{
DocPrintJob job = ps.createPrintJob();
ByteArrayInputStream bis =
new ByteArrayInputStream(os.toByteArray());
Doc doc = new SimpleDoc(bis, DocFlavor.INPUT_STREAM.JPEG, null);
job.print(doc, pras);
}
}
catch (PrintException pe)
{
pe.printStackTrace();
MessageDialog.openError(main.getShell(), "Print Error!", pe.getMessage());
}
}
public Rectangle getBounds(ScrollingGraphicalViewer viewer, Figure f)
{
CompoundModel rootModel = (CompoundModel) ((ChsRootEditPart) viewer.
getRootEditPart().getChildren().get(0)).getModel();
org.eclipse.draw2d.geometry.Rectangle bounds
= rootModel.calculateBounds();
org.eclipse.draw2d.geometry.Rectangle boundsRoot = f.getBounds();
boundsRoot.setSize(bounds.x + bounds.width + CompoundModel.MARGIN_SIZE,
bounds.y + bounds.height + CompoundModel.MARGIN_SIZE);
return new Rectangle(boundsRoot.x,
boundsRoot.y,
boundsRoot.width,
boundsRoot.height);
}
}