package org.gvt.action;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.MessageBox;
import org.gvt.ChisioMain;
import org.gvt.model.BioPAXGraph;
import org.gvt.model.basicsif.BasicSIFGraph;
import org.gvt.model.sif.SIFGraph;
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
/**
* @author Ozgun Babur
*
* Copyright: Bilkent Center for Bioinformatics, 2007 - present
*/
public class SaveToSIFFileAction extends Action
{
ChisioMain main;
public boolean isSaved = true;
/**
* Constructor
*
* @param chisio
*/
public SaveToSIFFileAction(ChisioMain chisio)
{
super("Save As SIF File ...");
setImageDescriptor(ImageDescriptor.createFromFile(ChisioMain.class, "icon/save-as.png"));
setToolTipText(getText());
this.main = chisio;
}
public void run()
{
String fileName = null;
boolean done = false;
SIFGraph sifGraph = null;
BasicSIFGraph basicSifGraph = null;
if (main.getPathwayGraph().getGraphType().equals(BioPAXGraph.SIF))
{
sifGraph = (SIFGraph) main.getPathwayGraph();
}
else if (main.getPathwayGraph().getGraphType().equals(BioPAXGraph.BASIC_SIF))
{
basicSifGraph = (BasicSIFGraph) main.getPathwayGraph();
}
if (sifGraph == null && basicSifGraph == null)
{
MessageDialog.openError(main.getShell(), "Not A Valid View!",
"Only Simple Interaction Views can be written in SIF format.");
return;
}
while (!done)
{
// Get the user to choose a file name and type to save.
FileDialog fileChooser = new FileDialog(main.getShell(), SWT.SAVE);
// Do not let user to overwrite a non-graphml file by default
String currentFilename = main.getOwlFileName();
if (!currentFilename.endsWith(".sif"))
{
if (currentFilename.indexOf(".") > 0)
{
currentFilename = currentFilename.substring(
0, currentFilename.lastIndexOf("."));
}
currentFilename += ".sif";
}
fileChooser.setFileName(currentFilename);
String[] filterExtensions = new String[]{"*.sif"};
String[] filterNames = new String[]{"Simple Interaction Format (*.sif)"};
fileChooser.setFilterExtensions(filterExtensions);
fileChooser.setFilterNames(filterNames);
fileName = fileChooser.open();
if (fileName == null)
{
// User has cancelled, so quit and return
done = true;
}
else
{
// User has selected a file; see if it already exists
File file = new File(fileName);
if (file.exists())
{
// The file already exists; asks for confirmation
MessageBox mb = new MessageBox(
fileChooser.getParent(),
SWT.ICON_WARNING | SWT.YES | SWT.NO);
// We really should read this string from a
// resource bundle
mb.setMessage(fileName + " already exists. Do you want to replace it?");
mb.setText("Confirm Replace File");
// If they click Yes, we're done and we drop out. If
// they click No, we redisplay the File Dialog
done = mb.open() == SWT.YES;
}
else
{
// File does not exist, so drop out
done = true;
}
}
}
if (fileName == null)
{
isSaved = false;
return;
}
try
{
OutputStream os = new FileOutputStream(fileName);
if (sifGraph != null)
{
sifGraph.write(os);
}
else if (basicSifGraph != null)
{
basicSifGraph.write(os);
}
}
catch (Exception e)
{
// e.printStackTrace();
MessageBox messageBox = new MessageBox(main.getShell(), SWT.ERROR_UNSUPPORTED_FORMAT);
messageBox.setMessage("File cannot be saved!");
messageBox.setText(ChisioMain.TOOL_NAME);
messageBox.open();
}
}
}