bundles/org.simantics.document.ui/src/org/simantics/document/ui/graphfile/ExternalEditorAdapter.java

   1 package org.simantics.document.ui.graphfile;\r
   2 \r
   3 import java.io.File;\r
   4 \r
   5 import org.eclipse.swt.widgets.Display;\r
   6 import org.eclipse.ui.PartInitException;\r
   7 import org.simantics.db.ReadGraph;\r
   8 import org.simantics.db.Resource;\r
   9 import org.simantics.db.common.request.ReadRequest;\r
  10 import org.simantics.db.exception.DatabaseException;\r
  11 import org.simantics.document.DocumentResource;\r
  12 import org.simantics.document.ui.Activator;\r
  13 import org.simantics.editors.Editors;\r
  14 import org.simantics.graphfile.ontology.GraphFileResource;\r
  15 import org.simantics.graphfile.util.GraphFileUtil;\r
  16 import org.simantics.ui.SimanticsUI;\r
  17 import org.simantics.ui.workbench.editor.AbstractResourceEditorAdapter;\r
  18 import org.simantics.ui.workbench.editor.EditorAdapter;\r
  19 import org.simantics.utils.ui.ExceptionUtils;\r
  20 \r
  21 public class ExternalEditorAdapter extends AbstractResourceEditorAdapter implements EditorAdapter {\r
  22         \r
  23         public ExternalEditorAdapter() {\r
  24                 super("External Editor",Activator.imageDescriptorFromPlugin("com.famfamfam.silk", "icons/page.png"));\r
  25         }\r
  26 \r
  27         \r
  28         @Override\r
  29         public boolean canHandle(ReadGraph g, Resource r) throws DatabaseException {\r
  30                 GraphFileResource gf = GraphFileResource.getInstance(g);\r
  31                 DocumentResource doc = DocumentResource.getInstance(g);\r
  32                 if (!g.isInstanceOf(r, doc.FileDocument))\r
  33                         return false;\r
  34                 String filename = g.getPossibleRelatedValue(r, gf.HasResourceName);\r
  35                 return filename != null;\r
  36         }\r
  37         \r
  38         @Override\r
  39         protected void openEditor(final Resource input) throws Exception {\r
  40                 SimanticsUI.getSession().asyncRequest(new ReadRequest() {\r
  41                         \r
  42                         @Override\r
  43                         public void run(ReadGraph graph) throws DatabaseException {\r
  44                                 final File file = GraphFileUtil.toTempFile(graph, input);\r
  45                                 file.deleteOnExit();\r
  46                                 Display.getDefault().asyncExec(new Runnable() {\r
  47                                         \r
  48                                         @Override\r
  49                                         public void run() {\r
  50                                                 \r
  51                                                 if (file.exists() && file.canRead()) {\r
  52                                                         try {\r
  53                                                                 Editors.openExternalEditor(file);\r
  54                                                         } catch (PartInitException e) {\r
  55                                                                 ExceptionUtils.logAndShowError(e);\r
  56                                                         }\r
  57                                                 }\r
  58                                         }\r
  59                                 });\r
  60                         }\r
  61                 });\r
  62                 \r
  63 \r
  64         }\r
  65 \r
  66 }\r