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

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2013 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.exports;\r
  13 \r
  14 import java.io.File;\r
  15 \r
  16 import org.eclipse.core.commands.AbstractHandler;\r
  17 import org.eclipse.core.commands.ExecutionEvent;\r
  18 import org.eclipse.core.commands.ExecutionException;\r
  19 import org.eclipse.core.runtime.Platform;\r
  20 import org.eclipse.jface.viewers.ISelection;\r
  21 import org.eclipse.swt.SWT;\r
  22 import org.eclipse.swt.widgets.FileDialog;\r
  23 import org.eclipse.swt.widgets.Shell;\r
  24 import org.eclipse.ui.handlers.HandlerUtil;\r
  25 import org.simantics.databoard.Bindings;\r
  26 import org.simantics.db.ReadGraph;\r
  27 import org.simantics.db.Resource;\r
  28 import org.simantics.db.common.primitiverequest.PossibleRelatedValue;\r
  29 import org.simantics.db.common.request.ReadRequest;\r
  30 import org.simantics.db.exception.DatabaseException;\r
  31 import org.simantics.db.layer0.util.ModelTransferableGraphSourceRequest;\r
  32 import org.simantics.db.layer0.util.TransferableGraphConfiguration2;\r
  33 import org.simantics.db.request.Read;\r
  34 import org.simantics.graph.db.TransferableGraphSource;\r
  35 import org.simantics.graph.db.TransferableGraphs;\r
  36 import org.simantics.layer0.Layer0;\r
  37 import org.simantics.sysdyn.ui.Activator;\r
  38 import org.simantics.sysdyn.ui.utils.imports.ImportUtilsUI;\r
  39 import org.simantics.ui.SimanticsUI;\r
  40 import org.simantics.ui.utils.ResourceAdaptionUtils;\r
  41 \r
  42 /**\r
  43  * Exports a function library\r
  44  * \r
  45  * @author Teemu Lempinen\r
  46  * @author Tuomas Miettinen\r
  47  *\r
  48  */\r
  49 public class ExportFunctionLibrary  extends AbstractHandler {\r
  50 \r
  51         @Override\r
  52         public Object execute(ExecutionEvent event) throws ExecutionException {\r
  53 \r
  54         ISelection sel = HandlerUtil.getCurrentSelection(event);\r
  55         final Resource functionLibrary = ResourceAdaptionUtils.toSingleResource(sel);\r
  56         if(functionLibrary == null) return null;\r
  57                 \r
  58                 String name = null;\r
  59                 try {\r
  60                         name = SimanticsUI.getSession().syncRequest(new Read<String>() {\r
  61 \r
  62                                 @Override\r
  63                                 public String perform(ReadGraph graph) throws DatabaseException {\r
  64                                         if (!graph.hasStatement(functionLibrary, Layer0.getInstance(graph).PartOf))\r
  65                                                 return null;\r
  66                                         Layer0 l0 = Layer0.getInstance(graph);\r
  67                                         String name = graph.syncRequest(new PossibleRelatedValue<String>(functionLibrary, l0.HasName, Bindings.STRING ));\r
  68                                         return name;\r
  69                                         \r
  70                                 }\r
  71                                 \r
  72                         });\r
  73                 } catch (DatabaseException e1) {\r
  74                         e1.printStackTrace();\r
  75                 }\r
  76                 // Do not export if the resource has no name\r
  77                 if(name == null) return null;\r
  78                 \r
  79                 // Find a location (and name) for the exported library using FileDialog\r
  80                 Shell shell = HandlerUtil.getActiveShellChecked(event);\r
  81                 FileDialog fd = new FileDialog(shell, SWT.SAVE);\r
  82                 fd.setText("Export Function Library");\r
  83                 fd.setFileName(name);\r
  84                 String path = Activator.getDefault().getPreferenceStore().getString(ImportUtilsUI.IMPORTFUNCTIONLIBRARYPATH);\r
  85                 if(path.isEmpty() || !(new File(path).exists()))\r
  86                         path = Platform.getLocation().toOSString();\r
  87                 fd.setFilterPath(path);\r
  88                 String[] filterExt = {"*.sysdynFunctions"};\r
  89                 fd.setFilterExtensions(filterExt);\r
  90                 fd.setOverwrite(true);\r
  91                 final String selected = fd.open();\r
  92                 if(selected == null) return null;\r
  93                 \r
  94                 // Save location to preference store\r
  95                 Activator.getDefault().getPreferenceStore().setValue(ImportUtilsUI.IMPORTFUNCTIONLIBRARYPATH, (new File(selected)).getParent());\r
  96 \r
  97                 // Asynchronously create the file using transferable graph\r
  98                 SimanticsUI.getSession().asyncRequest(new ReadRequest() {\r
  99 \r
 100                     @Override\r
 101                     public void run(ReadGraph graph) throws DatabaseException {\r
 102                         TransferableGraphConfiguration2 conf = new TransferableGraphConfiguration2(graph, functionLibrary);\r
 103                         TransferableGraphSource s = graph.syncRequest(new ModelTransferableGraphSourceRequest(conf));\r
 104                         try {\r
 105                             TransferableGraphs.writeTransferableGraph(graph, "sysdynFunctionLibrary", 1, s,new File(selected));\r
 106                         } catch (Exception e) {\r
 107                             e.printStackTrace();\r
 108                         }\r
 109                     }\r
 110                 });\r
 111 \r
 112                 return null;\r
 113         }\r
 114 \r
 115 }\r