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.imports;\r
  13 \r
  14 import java.io.File;\r
  15 import java.io.IOException;\r
  16 \r
  17 import org.eclipse.core.commands.AbstractHandler;\r
  18 import org.eclipse.core.commands.ExecutionEvent;\r
  19 import org.eclipse.core.commands.ExecutionException;\r
  20 import org.eclipse.core.runtime.Platform;\r
  21 import org.eclipse.jface.viewers.ISelection;\r
  22 import org.eclipse.swt.SWT;\r
  23 import org.eclipse.swt.widgets.FileDialog;\r
  24 import org.eclipse.swt.widgets.MessageBox;\r
  25 import org.eclipse.swt.widgets.Shell;\r
  26 import org.eclipse.ui.handlers.HandlerUtil;\r
  27 import org.simantics.browsing.ui.common.node.AbstractNode;\r
  28 import org.simantics.databoard.Bindings;\r
  29 import org.simantics.databoard.Files;\r
  30 import org.simantics.databoard.binding.error.RuntimeBindingConstructionException;\r
  31 import org.simantics.db.Resource;\r
  32 import org.simantics.db.WriteGraph;\r
  33 import org.simantics.db.common.request.WriteRequest;\r
  34 import org.simantics.db.common.utils.NameUtils;\r
  35 import org.simantics.db.exception.DatabaseException;\r
  36 import org.simantics.db.layer0.adapter.impl.DefaultPasteHandler;\r
  37 import org.simantics.db.layer0.adapter.impl.DefaultPasteImportAdvisor;\r
  38 import org.simantics.graph.db.MissingDependencyException;\r
  39 import org.simantics.graph.representation.TransferableGraph1;\r
  40 import org.simantics.layer0.Layer0;\r
  41 import org.simantics.sysdyn.SysdynResource;\r
  42 import org.simantics.sysdyn.ui.Activator;\r
  43 import org.simantics.ui.SimanticsUI;\r
  44 import org.simantics.ui.utils.AdaptionUtils;\r
  45 \r
  46 /**\r
  47  * Imports modules from exported transferable graph files.\r
  48  * \r
  49  * @author Teemu Lempinen\r
  50  *\r
  51  */\r
  52 public class ImportModuleHandler extends AbstractHandler {\r
  53 \r
  54     public static String IMPORTMODULETPATH = "IMPORT_MODULE_PATH";\r
  55 \r
  56     @Override\r
  57     public Object execute(ExecutionEvent event) throws ExecutionException {\r
  58         ISelection sel = HandlerUtil.getCurrentSelection(event);\r
  59 \r
  60         @SuppressWarnings("unchecked")\r
  61         AbstractNode<Resource> node = AdaptionUtils.adaptToSingle(sel, AbstractNode.class);\r
  62         if (node == null)\r
  63             return null;\r
  64 \r
  65         final Resource model = node.data;\r
  66 \r
  67         // Get imported transferable graph file using FileDialog\r
  68         final Shell shell = HandlerUtil.getActiveShellChecked(event);\r
  69         FileDialog fd = new FileDialog(shell, SWT.OPEN);\r
  70         fd.setText("Import Module");\r
  71 \r
  72         String path = Activator.getDefault().getPreferenceStore().getString(IMPORTMODULETPATH);\r
  73         if(path.isEmpty() || !(new File(path).exists()))\r
  74             path = Platform.getLocation().toOSString();\r
  75         fd.setFilterPath(path);\r
  76         String[] filterExt = {"*.tg"};\r
  77         fd.setFilterExtensions(filterExt);\r
  78         String selected = fd.open();\r
  79         if(selected == null) return null;\r
  80 \r
  81         Activator.getDefault().getPreferenceStore().setValue(IMPORTMODULETPATH, (new File(selected)).getParent());\r
  82 \r
  83         // Get the transferable graph from file\r
  84         TransferableGraph1 tg = null;\r
  85         try {\r
  86             tg = (TransferableGraph1)Files.readFile(new File(selected), Bindings.getBindingUnchecked(TransferableGraph1.class));\r
  87         } catch (RuntimeBindingConstructionException e) {\r
  88             e.printStackTrace();\r
  89         } catch (IOException e) {\r
  90             MessageBox mb = new MessageBox(shell, SWT.OK | SWT.ERROR);\r
  91             mb.setText("Error");\r
  92             mb.setMessage("The imported file is not of type: Module Type");\r
  93             mb.open();\r
  94             return null;\r
  95         }\r
  96         if(tg == null) return null;\r
  97 \r
  98 \r
  99         // Import the module to model\r
 100         DefaultPasteImportAdvisor ia = new DefaultPasteImportAdvisor(model);\r
 101         try {\r
 102             DefaultPasteHandler.defaultExecute(tg, model, ia);\r
 103         } catch (MissingDependencyException e) {\r
 104             e.printStackTrace();\r
 105         } catch (Exception e) {\r
 106             e.printStackTrace();\r
 107         }\r
 108 \r
 109         final Resource root = ia.getRoot();\r
 110 \r
 111         // Check that the imported file actually was a module. Display error message otherwise.\r
 112         SimanticsUI.getSession().asyncRequest(new WriteRequest() {\r
 113 \r
 114             @Override\r
 115             public void perform(WriteGraph graph) throws DatabaseException {\r
 116                 if(!graph.isInheritedFrom(root, SysdynResource.getInstance(graph).Module)) {\r
 117                     Resource instanceOf = graph.getPossibleObject(root, Layer0.getInstance(graph).InstanceOf);\r
 118                     String type = "...";\r
 119                     if(instanceOf != null)\r
 120                         type = NameUtils.getSafeName(graph, instanceOf);\r
 121                     else {\r
 122                         Resource inheritedFrom = graph.getPossibleObject(root, Layer0.getInstance(graph).Inherits);\r
 123                         if(inheritedFrom != null)\r
 124                             type = NameUtils.getSafeName(graph, inheritedFrom);\r
 125                     }\r
 126                     final String ft = type; \r
 127                     graph.deny(root, Layer0.getInstance(graph).PartOf);\r
 128 \r
 129                     shell.getDisplay().asyncExec(new Runnable() {\r
 130 \r
 131                         @Override\r
 132                         public void run() {\r
 133                             MessageBox mb = new MessageBox(shell, SWT.OK | SWT.ERROR);\r
 134                             mb.setText("Error");\r
 135                             mb.setMessage("The imported file is not of type: System Dynamics Module (" + ft +")");\r
 136                             mb.open();                                                          \r
 137                         }\r
 138                     });\r
 139                 } \r
 140             }\r
 141         });\r
 142         return null;\r
 143     }\r
 144 \r
 145 }\r