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

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
   3  * in Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.document.ui.actions;\r
  13 \r
  14 import java.io.File;\r
  15 \r
  16 import org.eclipse.swt.SWT;\r
  17 import org.eclipse.swt.widgets.Display;\r
  18 import org.eclipse.swt.widgets.FileDialog;\r
  19 import org.simantics.db.ReadGraph;\r
  20 import org.simantics.db.Resource;\r
  21 import org.simantics.db.exception.DatabaseException;\r
  22 import org.simantics.db.layer0.adapter.ActionFactory;\r
  23 import org.simantics.db.request.Read;\r
  24 import org.simantics.document.DocumentResource;\r
  25 import org.simantics.graphfile.ontology.GraphFileResource;\r
  26 import org.simantics.graphfile.util.GraphFileUtil;\r
  27 import org.simantics.layer0.Layer0;\r
  28 import org.simantics.ui.SimanticsUI;\r
  29 import org.simantics.utils.ui.ExceptionUtils;\r
  30 \r
  31 /**\r
  32  * Action for exporting file based documents.\r
  33  * \r
  34  * @author Marko Luukkainen <marko.luukkainen@vtt.fi>\r
  35  *\r
  36  */\r
  37 public class ExportDocumentFile implements ActionFactory {\r
  38 \r
  39         \r
  40         @Override\r
  41         public Runnable create(Object target) {\r
  42 \r
  43                 if(!(target instanceof Resource))\r
  44                         return null;\r
  45 \r
  46                 final Resource resource = (Resource)target;\r
  47 \r
  48                 return new Runnable() {\r
  49                         @Override\r
  50                         public void run() {\r
  51                                 try {\r
  52                                         String name = SimanticsUI.getSession().syncRequest(new Read<String>() {\r
  53                                                 public String perform(ReadGraph graph) throws DatabaseException {\r
  54                                                         DocumentResource doc = DocumentResource.getInstance(graph);\r
  55                                                         GraphFileResource gf = GraphFileResource.getInstance(graph);\r
  56                                                         if (!graph.isInstanceOf(resource, doc.FileDocument))\r
  57                                                                 return null;\r
  58                                                         String resourceName = graph.getPossibleRelatedValue(resource, gf.HasResourceName);\r
  59                                                         if (resourceName != null) {\r
  60                                                                 return resourceName;\r
  61                                                         } else {\r
  62                                                                 Layer0 L0 = Layer0.getInstance(graph);\r
  63                                                                 return graph.getPossibleRelatedValue(resource, L0.HasName);\r
  64                                                         }\r
  65                                                 };\r
  66                                         });\r
  67                                         \r
  68                                         FileDialog dialog = new FileDialog(Display.getCurrent().getActiveShell(),SWT.SAVE);\r
  69                                         dialog.setFileName(name);\r
  70                                         final String filename = dialog.open();\r
  71                                         if (filename == null)\r
  72                                                 return;\r
  73                                         exportDocument(resource, filename);\r
  74                                 } catch (DatabaseException e) {\r
  75                                         ExceptionUtils.logAndShowError("Cannot export document.", e);\r
  76                                 }\r
  77 \r
  78                         }\r
  79                 };\r
  80         }\r
  81         \r
  82         public static void exportDocument(Resource document, String fileName) throws DatabaseException {\r
  83             GraphFileUtil.writeDataToFile(document, new File(fileName));\r
  84         }\r
  85 }\r