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.FileInputStream;\r
  16 import java.io.IOException;\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.swt.SWT;\r
  23 import org.eclipse.swt.widgets.FileDialog;\r
  24 import org.eclipse.swt.widgets.Shell;\r
  25 import org.eclipse.ui.handlers.HandlerUtil;\r
  26 import org.simantics.databoard.Bindings;\r
  27 import org.simantics.db.Resource;\r
  28 import org.simantics.db.WriteGraph;\r
  29 import org.simantics.db.common.request.WriteRequest;\r
  30 import org.simantics.db.exception.DatabaseException;\r
  31 import org.simantics.layer0.Layer0;\r
  32 import org.simantics.layer0.utils.direct.GraphUtils;\r
  33 import org.simantics.sysdyn.SysdynResource;\r
  34 import org.simantics.ui.SimanticsUI;\r
  35 import org.simantics.utils.datastructures.Pair;\r
  36 \r
  37 /**\r
  38  * Imports external functions to SysdynModelicaFunctions using FileDialog.\r
  39  * \r
  40  * @author Teemu Lempinen\r
  41  *\r
  42  */\r
  43 public class ImportExternalFunctionFilesHandler extends AbstractHandler {\r
  44 \r
  45         public static final String[] C_EXTENSIONS = {"*.c","*.h","*.a","*.o"};\r
  46         @Override\r
  47         public Object execute(ExecutionEvent event) throws ExecutionException {\r
  48                 Shell shell = HandlerUtil.getActiveShellChecked(event);\r
  49                 Pair<String, String[]> selected = importFiles(shell, "Import...", C_EXTENSIONS);\r
  50                 if(selected.second == null || selected.second.length < 1) return null;\r
  51 \r
  52                 SimanticsUI.getSession().asyncRequest(new WriteRequest() {\r
  53                         \r
  54                         @Override\r
  55                         public void perform(WriteGraph graph) throws DatabaseException {\r
  56                                 // TODO: include files to database\r
  57                         }\r
  58                 });\r
  59                 \r
  60                 return null;\r
  61         }\r
  62         \r
  63         /**\r
  64          * Opens a {@link FileDialog} to select the imported files.\r
  65          *  \r
  66          * @param shell SWT Shell\r
  67          * @param text Header text for the FileDialog\r
  68          * @param filter Filters for the FileDialog\r
  69          * @return File names and paths for the files to be imported\r
  70          */\r
  71         public static Pair<String, String[]> importFiles(Shell shell, String text, String[] filter) {\r
  72                 FileDialog fd = new FileDialog(shell, SWT.OPEN);\r
  73                 fd.setText(text);\r
  74                 fd.setFilterPath(Platform.getLocation().toOSString());\r
  75                 fd.setFilterExtensions(filter);\r
  76                 fd.open();\r
  77                 return new Pair<String, String[]>(fd.getFilterPath(), fd.getFileNames());\r
  78         }\r
  79         \r
  80         \r
  81         /**\r
  82          * Saves the given files as byte arrays to a function\r
  83          * \r
  84          * @param graph WriteGraph\r
  85          * @param function Function where the files are to be added\r
  86          * @param files Files to be added\r
  87          * @throws DatabaseException\r
  88          */\r
  89         public static void addFilesToFunction(WriteGraph graph, Resource function, Pair<String, String[]> files) throws DatabaseException {\r
  90                 SysdynResource sr = SysdynResource.getInstance(graph);\r
  91                 Layer0 l0 = Layer0.getInstance(graph);\r
  92                 \r
  93                 if(!graph.isInstanceOf(function, sr.SysdynModelicaFunction))\r
  94                         return;\r
  95 \r
  96                 for(String filename : files.second) {\r
  97                         File file = new File(files.first, filename);\r
  98                                         \r
  99                         String name = file.getName();\r
 100                         \r
 101                         Resource externalFile = GraphUtils.create2(graph, \r
 102                                         sr.ExternalFunctionFile,\r
 103                                         l0.PartOf, function,\r
 104                                         l0.HasName, name);\r
 105                         \r
 106                         try {\r
 107                                 byte[] fileBArray = new byte[(int)file.length()];\r
 108                                 FileInputStream fis = new FileInputStream(file);\r
 109                                 fis.read(fileBArray);\r
 110                                 graph.claimLiteral(externalFile, sr.ExternalFunctionFile_externalFile, fileBArray, Bindings.BYTE_ARRAY);\r
 111                                 fis.close();\r
 112                         } catch (IOException e) {\r
 113                                 e.printStackTrace();\r
 114                         }\r
 115 \r
 116                 }\r
 117                 \r
 118         }\r
 119 \r
 120 }\r