gerrit.simantics Code Review - simantics/sysdyn.git/blob

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2011 Association for Decentralized Information Management in\r
   3  * 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.sysdyn.ui.handlers;\r
  13 \r
  14 import java.io.File;\r
  15 import java.io.IOException;\r
  16 import java.util.ArrayList;\r
  17 \r
  18 import org.eclipse.core.commands.AbstractHandler;\r
  19 import org.eclipse.core.commands.ExecutionEvent;\r
  20 import org.eclipse.core.commands.ExecutionException;\r
  21 import org.eclipse.core.runtime.Platform;\r
  22 import org.eclipse.jface.viewers.ISelection;\r
  23 import org.eclipse.swt.SWT;\r
  24 import org.eclipse.swt.widgets.FileDialog;\r
  25 import org.eclipse.swt.widgets.Shell;\r
  26 import org.eclipse.ui.handlers.HandlerUtil;\r
  27 import org.simantics.databoard.Bindings;\r
  28 import org.simantics.databoard.Files;\r
  29 import org.simantics.databoard.binding.error.RuntimeBindingConstructionException;\r
  30 import org.simantics.db.ReadGraph;\r
  31 import org.simantics.db.Resource;\r
  32 import org.simantics.db.common.primitiverequest.PossibleRelatedValue;\r
  33 import org.simantics.db.common.request.ReadRequest;\r
  34 import org.simantics.db.exception.DatabaseException;\r
  35 import org.simantics.db.layer0.util.TransferableGraphRequest2;\r
  36 import org.simantics.db.request.Read;\r
  37 import org.simantics.graph.representation.TransferableGraph1;\r
  38 import org.simantics.layer0.Layer0;\r
  39 import org.simantics.ui.SimanticsUI;\r
  40 import org.simantics.ui.utils.ResourceAdaptionUtils;\r
  41 import org.simantics.utils.datastructures.Pair;\r
  42 \r
  43 public class ExportFunctionLibrary  extends AbstractHandler {\r
  44 \r
  45         @Override\r
  46         public Object execute(ExecutionEvent event) throws ExecutionException {\r
  47 \r
  48         ISelection sel = HandlerUtil.getCurrentSelection(event);\r
  49         final Resource functionLibrary = ResourceAdaptionUtils.toSingleResource(sel);\r
  50         if(functionLibrary == null) return null;\r
  51                 \r
  52                 String name = null;\r
  53                 try {\r
  54                         name = SimanticsUI.getSession().syncRequest(new Read<String>() {\r
  55 \r
  56                                 @Override\r
  57                                 public String perform(ReadGraph graph) throws DatabaseException {\r
  58                                         if (!graph.hasStatement(functionLibrary, Layer0.getInstance(graph).PartOf))\r
  59                                                 return null;\r
  60                                         Layer0 l0 = Layer0.getInstance(graph);\r
  61                                         String name = graph.syncRequest(new PossibleRelatedValue<String>(functionLibrary, l0.HasName, Bindings.STRING ));\r
  62                                         return name;\r
  63                                         \r
  64                                 }\r
  65                                 \r
  66                         });\r
  67                 } catch (DatabaseException e1) {\r
  68                         e1.printStackTrace();\r
  69                 }\r
  70                 if(name == null) return null;\r
  71                 \r
  72                 Shell shell = HandlerUtil.getActiveShellChecked(event);\r
  73                 FileDialog fd = new FileDialog(shell, SWT.SAVE);\r
  74                 fd.setText("Export..");\r
  75                 fd.setFileName(name);\r
  76                 fd.setFilterPath(Platform.getLocation().toOSString());\r
  77                 String[] filterExt = {"*.tg"};\r
  78                 fd.setFilterExtensions(filterExt);\r
  79                 final String selected = fd.open();\r
  80                 if(selected == null) return null;\r
  81                 \r
  82                 \r
  83                 SimanticsUI.getSession().asyncRequest(new ReadRequest() {\r
  84                         \r
  85                         @Override\r
  86                         public void run(ReadGraph graph) throws DatabaseException {\r
  87                                 Layer0 l0 = Layer0.getInstance(graph);\r
  88                                 String name = graph.syncRequest(new PossibleRelatedValue<String>(functionLibrary, l0.HasName, Bindings.STRING ));\r
  89                                 ArrayList<Pair<Resource, String>> roots = new ArrayList<Pair<Resource, String>>();\r
  90                                 roots.add(Pair.make(functionLibrary, name));\r
  91                                 TransferableGraph1 tg = graph.syncRequest(new TransferableGraphRequest2(roots, functionLibrary));\r
  92 \r
  93                                 try {\r
  94                                         Files.createFile(new File(selected), Bindings.getBindingUnchecked(TransferableGraph1.class), tg);\r
  95                                 } catch (RuntimeBindingConstructionException e) {\r
  96                                         e.printStackTrace();\r
  97                                 } catch (IOException e) {\r
  98                                         e.printStackTrace();\r
  99                                 }\r
 100 \r
 101                                 \r
 102                         }\r
 103                 });\r
 104 \r
 105                 return null;\r
 106         }\r
 107 \r
 108 }\r