bundles/org.simantics.document.ui/src/org/simantics/document/ui/actions/ExportDocumentFile.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.document.ui.actions;
  13
  14 import java.io.File;
  15
  16 import org.eclipse.swt.SWT;
  17 import org.eclipse.swt.widgets.Display;
  18 import org.eclipse.swt.widgets.FileDialog;
  19 import org.simantics.Simantics;
  20 import org.simantics.db.ReadGraph;
  21 import org.simantics.db.Resource;
  22 import org.simantics.db.exception.DatabaseException;
  23 import org.simantics.db.layer0.adapter.ActionFactory;
  24 import org.simantics.db.request.Read;
  25 import org.simantics.document.DocumentResource;
  26 import org.simantics.graphfile.ontology.GraphFileResource;
  27 import org.simantics.graphfile.util.GraphFileUtil;
  28 import org.simantics.layer0.Layer0;
  29 import org.simantics.utils.ui.ExceptionUtils;
  30
  31 /**
  32  * Action for exporting file based documents.
  33  *
  34  * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
  35  *
  36  */
  37 public class ExportDocumentFile implements ActionFactory {
  38
  39
  40         @Override
  41         public Runnable create(Object target) {
  42
  43                 if(!(target instanceof Resource))
  44                         return null;
  45
  46                 final Resource resource = (Resource)target;
  47
  48                 return new Runnable() {
  49                         @Override
  50                         public void run() {
  51                                 try {
  52                                         String name = Simantics.getSession().syncRequest(new Read<String>() {
  53                                                 public String perform(ReadGraph graph) throws DatabaseException {
  54                                                         DocumentResource doc = DocumentResource.getInstance(graph);
  55                                                         GraphFileResource gf = GraphFileResource.getInstance(graph);
  56                                                         if (!graph.isInstanceOf(resource, doc.FileDocument))
  57                                                                 return null;
  58                                                         String resourceName = graph.getPossibleRelatedValue(resource, gf.HasResourceName);
  59                                                         if (resourceName != null) {
  60                                                                 return resourceName;
  61                                                         } else {
  62                                                                 Layer0 L0 = Layer0.getInstance(graph);
  63                                                                 return graph.getPossibleRelatedValue(resource, L0.HasName);
  64                                                         }
  65                                                 };
  66                                         });
  67
  68                                         FileDialog dialog = new FileDialog(Display.getCurrent().getActiveShell(),SWT.SAVE);
  69                                         dialog.setFileName(name);
  70                                         final String filename = dialog.open();
  71                                         if (filename == null)
  72                                                 return;
  73                                         exportDocument(resource, filename);
  74                                 } catch (DatabaseException e) {
  75                                         ExceptionUtils.logAndShowError(Messages.ExportDocumentFile_CannotExportDocument, e);
  76                                 }
  77
  78                         }
  79                 };
  80         }
  81
  82         public static void exportDocument(Resource document, String fileName) throws DatabaseException {
  83             GraphFileUtil.writeDataToFile(document, new File(fileName));
  84         }
  85 }