bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/documents/OpenPlainTextDocumentAdapter.java

   1 package org.simantics.modeling.ui.documents;\r
   2 \r
   3 import java.io.File;\r
   4 import java.io.IOException;\r
   5 \r
   6 import org.eclipse.core.runtime.IPath;\r
   7 import org.eclipse.core.runtime.Platform;\r
   8 import org.eclipse.ui.IEditorPart;\r
   9 import org.eclipse.ui.IPartListener;\r
  10 import org.eclipse.ui.IWorkbenchPage;\r
  11 import org.eclipse.ui.IWorkbenchPart;\r
  12 import org.eclipse.ui.PlatformUI;\r
  13 import org.eclipse.ui.editors.text.EditorsUI;\r
  14 import org.eclipse.ui.ide.IDE;\r
  15 import org.simantics.databoard.Bindings;\r
  16 import org.simantics.db.ReadGraph;\r
  17 import org.simantics.db.Resource;\r
  18 import org.simantics.db.common.request.PossibleTypedParent;\r
  19 import org.simantics.db.common.request.ReadRequest;\r
  20 import org.simantics.db.exception.DatabaseException;\r
  21 import org.simantics.document.DocumentResource;\r
  22 import org.simantics.layer0.Layer0;\r
  23 import org.simantics.modeling.ui.Activator;\r
  24 import org.simantics.simulation.ontology.SimulationResource;\r
  25 import org.simantics.ui.SimanticsUI;\r
  26 import org.simantics.ui.workbench.editor.AbstractResourceEditorAdapter;\r
  27 import org.simantics.utils.FileUtils;\r
  28 import org.simantics.utils.ui.ErrorLogger;\r
  29 \r
  30 /**\r
  31  * @author Tuukka Lehtonen\r
  32  */\r
  33 public class OpenPlainTextDocumentAdapter extends AbstractResourceEditorAdapter {\r
  34 \r
  35     public OpenPlainTextDocumentAdapter() {\r
  36         super("Text Editor", Activator.COMPOSITE_ICON);\r
  37     }\r
  38 \r
  39     @Override\r
  40     public boolean canHandle(ReadGraph g, Resource r) throws DatabaseException {\r
  41         DocumentResource DOC = DocumentResource.getInstance(g);\r
  42         return g.isInstanceOf(r, DOC.PlainTextDocument);\r
  43     }\r
  44 \r
  45     @Override\r
  46     public void openEditor(final Resource r) throws Exception {\r
  47         SimanticsUI.getSession().asyncRequest(new ReadRequest() {\r
  48             @Override\r
  49             public void run(ReadGraph g) throws DatabaseException {\r
  50                 Layer0 L0 = Layer0.getInstance(g);\r
  51                 DocumentResource DOC = DocumentResource.getInstance(g);\r
  52                 String documentName = g.getPossibleRelatedValue(r, L0.HasName);\r
  53                 if (documentName == null)\r
  54                     documentName = "";\r
  55                 final String text = g.getPossibleRelatedValue(r, DOC.PlainTextDocument_text, Bindings.STRING);\r
  56                 if (text == null)\r
  57                     return;\r
  58 \r
  59                 try {\r
  60                         final Resource model = g.syncRequest(new PossibleTypedParent(r, SimulationResource.getInstance(g).Model));\r
  61                         final String dir = model == null ? "" + r.getResourceId() : (String)(g.getRelatedValue(model, L0.HasName));\r
  62                     IPath state = Platform.getStateLocation(Platform.getBundle(Activator.PLUGIN_ID));\r
  63                     final File stateDir = new File(state.toFile(), dir);\r
  64                     stateDir.mkdirs();\r
  65                     final File tempFile = new File(stateDir, FileUtils.escapeFileName(documentName) + ".txt");\r
  66                     FileUtils.writeFile(tempFile, text.getBytes("US-ASCII"));\r
  67 \r
  68                     PlatformUI.getWorkbench().getDisplay().asyncExec(new Runnable() {\r
  69                         @Override\r
  70                         public void run() {\r
  71                             try {\r
  72                                 final IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();\r
  73                                 final IEditorPart editor = IDE.openEditor(page, tempFile.toURI(), EditorsUI.DEFAULT_TEXT_EDITOR_ID, true);\r
  74                                 page.addPartListener(new IPartListener() {\r
  75                                     @Override\r
  76                                     public void partOpened(IWorkbenchPart part) {\r
  77                                     }\r
  78                                     @Override\r
  79                                     public void partDeactivated(IWorkbenchPart part) {\r
  80                                     }\r
  81                                     @Override\r
  82                                     public void partClosed(IWorkbenchPart part) {\r
  83                                         if (part == editor) {\r
  84                                             page.removePartListener(this);\r
  85                                             if (!PlatformUI.getWorkbench().isClosing()) {\r
  86                                                 try {\r
  87                                                     FileUtils.deleteAll(stateDir);\r
  88                                                 } catch (IOException e) {\r
  89                                                     ErrorLogger.defaultLogError(e);\r
  90                                                 }\r
  91                                             }\r
  92                                         }\r
  93                                     }\r
  94                                     @Override\r
  95                                     public void partBroughtToTop(IWorkbenchPart part) {\r
  96                                     }\r
  97                                     @Override\r
  98                                     public void partActivated(IWorkbenchPart part) {\r
  99                                     }\r
 100                                 });\r
 101                             } catch (Exception e) {\r
 102                                 ErrorLogger.defaultLogError(e);\r
 103                             }\r
 104                         }\r
 105                     });\r
 106                 } catch (IOException e1) {\r
 107                     ErrorLogger.defaultLogError(e1);\r
 108                 }\r
 109             }\r
 110         });\r
 111     }\r
 112 \r
 113 }\r