bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/componentTypeEditor/ProceduralComponentTypeCodeDocumentProvider.java

   1 package org.simantics.modeling.ui.componentTypeEditor;\r
   2 \r
   3 import java.io.PrintWriter;\r
   4 import java.io.StringWriter;\r
   5 import java.util.Arrays;\r
   6 import java.util.Collections;\r
   7 \r
   8 import org.eclipse.core.runtime.CoreException;\r
   9 import org.eclipse.core.runtime.IProgressMonitor;\r
  10 import org.eclipse.core.runtime.IStatus;\r
  11 import org.eclipse.core.runtime.Status;\r
  12 import org.eclipse.jface.text.Document;\r
  13 import org.eclipse.jface.text.IDocument;\r
  14 import org.eclipse.swt.widgets.Display;\r
  15 import org.simantics.Simantics;\r
  16 import org.simantics.databoard.Bindings;\r
  17 import org.simantics.db.ReadGraph;\r
  18 import org.simantics.db.Resource;\r
  19 import org.simantics.db.WriteGraph;\r
  20 import org.simantics.db.common.request.ResourceRead;\r
  21 import org.simantics.db.common.request.UniqueRead;\r
  22 import org.simantics.db.common.request.WriteRequest;\r
  23 import org.simantics.db.exception.DatabaseException;\r
  24 import org.simantics.db.layer0.scl.SCLDatabaseException;\r
  25 import org.simantics.db.procedure.Listener;\r
  26 import org.simantics.layer0.Layer0;\r
  27 import org.simantics.modeling.ui.Activator;\r
  28 import org.simantics.modeling.userComponent.ComponentTypeCommands;\r
  29 import org.simantics.scl.compiler.errors.CompilationError;\r
  30 import org.simantics.scl.ui.editor.SCLSourceViewerConfigurationNew;\r
  31 import org.simantics.scl.ui.editor.TextAndErrors;\r
  32 import org.simantics.structural2.scl.procedural.CompileProceduralComponentTypeRequest;\r
  33 import org.simantics.structural2.scl.procedural.ProceduralComponentTypeCompilationException;\r
  34 import org.simantics.ui.workbench.ResourceEditorInput;\r
  35 import org.simantics.utils.logging.TimeLogger;\r
  36 import org.simantics.utils.ui.SWTUtils;\r
  37 \r
  38 public class ProceduralComponentTypeCodeDocumentProvider extends SCLModuleEditorDocumentProvider {\r
  39 \r
  40     Display display;\r
  41     ProceduralComponentTypeCodeEditor editor;\r
  42 \r
  43     public ProceduralComponentTypeCodeDocumentProvider(SCLSourceViewerConfigurationNew sourceViever, Display display, ProceduralComponentTypeCodeEditor editor) {\r
  44         super(sourceViever);\r
  45         this.display = display;\r
  46         this.editor = editor;\r
  47     }\r
  48 \r
  49     @Override\r
  50     protected IDocument createDocument(Object element) throws CoreException {\r
  51         ResourceEditorInput input = (ResourceEditorInput)element;\r
  52         resource = input.getResource();\r
  53         try {\r
  54             return Simantics.getSession().syncRequest(new UniqueRead<Document>() {\r
  55                 @Override\r
  56                 public Document perform(ReadGraph graph) throws DatabaseException {\r
  57                     currentText = graph.getValue(resource, Bindings.STRING);\r
  58                     errorHappened = false;\r
  59                     return new Document(currentText != null ? currentText : "");\r
  60                 }\r
  61             });\r
  62         } catch (DatabaseException e) {\r
  63             StringWriter sw = new StringWriter();\r
  64             PrintWriter pw = new PrintWriter(sw);\r
  65             e.printStackTrace(pw);\r
  66             errorHappened = true;\r
  67             return new Document(sw.toString());\r
  68         }\r
  69     }\r
  70 \r
  71     protected void updateAnnotations() {\r
  72         Simantics.getSession().asyncRequest(new ResourceRead<TextAndErrors>(resource) {\r
  73             @Override\r
  74             public TextAndErrors perform(ReadGraph graph) throws DatabaseException {\r
  75                 Layer0 L0 = Layer0.getInstance(graph);\r
  76                 String text = graph.getValue(resource, Bindings.STRING);\r
  77                 Resource componentType = graph.getPossibleObject(resource, L0.PropertyOf);\r
  78                 CompilationError[] errors = CompilationError.EMPTY_ARRAY;\r
  79                 if (componentType != null) {\r
  80                     try { \r
  81                         graph.syncRequest(new CompileProceduralComponentTypeRequest(componentType));\r
  82                     } catch (SCLDatabaseException e) {\r
  83                         // Can't compile effectively empty code\r
  84                         errors = e.compilationErrors;\r
  85                     } catch (ProceduralComponentTypeCompilationException e) {\r
  86                         // TODO: this exception is not thrown anywhere. Remove it?\r
  87                         errors = e.errors;\r
  88                     }\r
  89                 }\r
  90                 return new TextAndErrors(text, errors);\r
  91             }\r
  92         }, new Listener<TextAndErrors>() {\r
  93             @Override\r
  94             public void execute(final TextAndErrors textAndErrors) {\r
  95                 if (editor.isDisposed())\r
  96                     return;\r
  97                 SWTUtils.asyncExec(display, new Runnable() {\r
  98                     @Override\r
  99                     public void run() {\r
 100                         if (editor.isDisposed())\r
 101                             return;\r
 102                         if(textAndErrors.errors.length > 0) {\r
 103                             setAnnotations(Arrays.asList(textAndErrors.errors));\r
 104                         } else {\r
 105                             setAnnotations(Collections.<CompilationError>emptyList());\r
 106                         }\r
 107                     }\r
 108                 });\r
 109             }\r
 110 \r
 111             @Override\r
 112             public void exception(Throwable t) {\r
 113                 Activator.getDefault().getLog().log(\r
 114                         new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Internal error in procedural user component code compilation.", t));\r
 115             }\r
 116 \r
 117             @Override\r
 118             public boolean isDisposed() {\r
 119                 return editor.isDisposed();\r
 120             }\r
 121         });\r
 122     }\r
 123 \r
 124     @Override\r
 125     protected void doSaveDocument(IProgressMonitor monitor, Object element,\r
 126             IDocument document, boolean overwrite) throws CoreException {\r
 127         TimeLogger.resetTimeAndLog(getClass(), "doSaveDocument");\r
 128         currentText = document.get();\r
 129         Simantics.getSession().asyncRequest(new WriteRequest() {\r
 130             @Override\r
 131             public void perform(WriteGraph graph) throws DatabaseException {\r
 132                 graph.markUndoPoint();\r
 133                 ComponentTypeCommands.saveProceduralCode(graph, resource, currentText);\r
 134             }\r
 135         });\r
 136     }\r
 137 \r
 138 }\r