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 \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.swt.SWT;\r
  21 import org.eclipse.swt.widgets.FileDialog;\r
  22 import org.eclipse.swt.widgets.Shell;\r
  23 import org.eclipse.ui.handlers.HandlerUtil;\r
  24 import org.simantics.db.Resource;\r
  25 import org.simantics.db.WriteGraph;\r
  26 import org.simantics.db.common.request.WriteRequest;\r
  27 import org.simantics.db.exception.DatabaseException;\r
  28 import org.simantics.sysdyn.mdlImport.MdlParser;\r
  29 import org.simantics.sysdyn.mdlImport.mdlElements.Model;\r
  30 import org.simantics.sysdyn.ui.Activator;\r
  31 import org.simantics.ui.SimanticsUI;\r
  32 \r
  33 /**\r
  34  * Class for importing Vensim models (.mdl) to Simantics SysDyn using MdlParser \r
  35  * \r
  36  * @author Teemu Lempinen\r
  37  *\r
  38  */\r
  39 public class ImportMdlHandler extends AbstractHandler {\r
  40 \r
  41         public static String IMPORTMDLTPATH = "IMPORT_MDL_PATH";\r
  42 \r
  43         @Override\r
  44         public Object execute(ExecutionEvent event) throws ExecutionException {\r
  45                 \r
  46                 final Resource project = SimanticsUI.getProject().get();\r
  47                 if(project == null) return null;\r
  48 \r
  49                 // Get the .mdl file\r
  50                 Shell shell = HandlerUtil.getActiveShellChecked(event);\r
  51                 FileDialog fd = new FileDialog(shell, SWT.OPEN);\r
  52                 fd.setText("Import .mdl");\r
  53                 String path = Activator.getDefault().getPreferenceStore().getString(IMPORTMDLTPATH);\r
  54                 if(path.isEmpty() || !(new File(path).exists()))\r
  55                         path = Platform.getLocation().toOSString();\r
  56                 fd.setFilterPath(path);\r
  57                 String[] filterExt = {"*.mdl"};\r
  58                 fd.setFilterExtensions(filterExt);\r
  59                 String selected = fd.open();\r
  60                 if(selected == null) return null;\r
  61 \r
  62                 File file = new File(selected);\r
  63                 if(!file.isFile()) return null;\r
  64                 \r
  65                 Activator.getDefault().getPreferenceStore().setValue(IMPORTMDLTPATH, (new File(selected)).getParent());\r
  66                 \r
  67                 // Convert Vensim model to Simantics SysDyn format using MdlParser\r
  68                 final Model model = MdlParser.parse(file);\r
  69                 \r
  70                 SimanticsUI.getSession().asyncRequest(new WriteRequest() {\r
  71                         \r
  72                         @Override\r
  73                         public void perform(WriteGraph graph) throws DatabaseException {\r
  74                                 model.write(graph, project);\r
  75                         }\r
  76                 });\r
  77                 \r
  78                 return null;\r
  79         }\r
  80 \r
  81 }\r