bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/componentTypeEditor/SymbolDropHandlerDocumentProvider.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.Collection;\r
   7 import java.util.Collections;\r
   8 \r
   9 import org.eclipse.core.runtime.CoreException;\r
  10 import org.eclipse.core.runtime.IProgressMonitor;\r
  11 import org.eclipse.core.runtime.IStatus;\r
  12 import org.eclipse.core.runtime.Status;\r
  13 import org.eclipse.jface.text.Document;\r
  14 import org.eclipse.jface.text.IDocument;\r
  15 import org.eclipse.swt.widgets.Display;\r
  16 import org.simantics.Simantics;\r
  17 import org.simantics.databoard.Bindings;\r
  18 import org.simantics.db.ReadGraph;\r
  19 import org.simantics.db.Resource;\r
  20 import org.simantics.db.WriteGraph;\r
  21 import org.simantics.db.common.request.ResourceRead;\r
  22 import org.simantics.db.common.request.UniqueRead;\r
  23 import org.simantics.db.common.request.WriteRequest;\r
  24 import org.simantics.db.exception.DatabaseException;\r
  25 import org.simantics.db.layer0.util.Layer0Utils;\r
  26 import org.simantics.db.procedure.Listener;\r
  27 import org.simantics.diagram.stubs.DiagramResource;\r
  28 import org.simantics.layer0.Layer0;\r
  29 import org.simantics.modeling.ModelingResources;\r
  30 import org.simantics.modeling.ui.Activator;\r
  31 import org.simantics.scl.compiler.errors.CompilationError;\r
  32 import org.simantics.scl.ui.editor.SCLSourceViewerConfigurationNew;\r
  33 import org.simantics.scl.ui.editor.TextAndErrors;\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 SymbolDropHandlerDocumentProvider extends SCLModuleEditorDocumentProvider {\r
  39 \r
  40     Display display;\r
  41     SCLModuleEditor editor;\r
  42 \r
  43     public SymbolDropHandlerDocumentProvider(SCLSourceViewerConfigurationNew sourceViewer, Display display, SCLModuleEditor editor) {\r
  44         super(sourceViewer);\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                         return new Document(getText(graph));\r
  58                 }\r
  59             });\r
  60         } catch (DatabaseException e) {\r
  61             StringWriter sw = new StringWriter();\r
  62             PrintWriter pw = new PrintWriter(sw);\r
  63             e.printStackTrace(pw);\r
  64             return new Document(sw.toString());\r
  65         }\r
  66     }\r
  67     \r
  68     private String getText(ReadGraph graph) throws DatabaseException {\r
  69         Layer0 L0 = Layer0.getInstance(graph);\r
  70         DiagramResource DIA = DiagramResource.getInstance(graph);\r
  71         for(Resource text : graph.getAssertedObjects(resource, DIA.symbolDropHandler)) {\r
  72                 errorHappened = false;\r
  73                 return graph.getRelatedValue(text, L0.SCLValue_expression, Bindings.STRING);\r
  74         }\r
  75         throw new DatabaseException("No symbol code was defined.");\r
  76     }\r
  77 \r
  78     protected void updateAnnotations() {\r
  79         Simantics.getSession().asyncRequest(new ResourceRead<TextAndErrors>(resource) {\r
  80             @Override\r
  81             public TextAndErrors perform(ReadGraph graph) throws DatabaseException {\r
  82                 return new TextAndErrors(getText(graph), CompilationError.EMPTY_ARRAY);\r
  83             }\r
  84         }, new Listener<TextAndErrors>() {\r
  85             @Override\r
  86             public void execute(final TextAndErrors textAndErrors) {\r
  87                 if (editor.isDisposed())\r
  88                     return;\r
  89                 SWTUtils.asyncExec(display, new Runnable() {\r
  90                     @Override\r
  91                     public void run() {\r
  92                         if (editor.isDisposed())\r
  93                             return;\r
  94                         if(textAndErrors.errors.length > 0) {\r
  95                             setAnnotations(Arrays.asList(textAndErrors.errors));\r
  96                         } else {\r
  97                             setAnnotations(Collections.<CompilationError>emptyList());\r
  98                         }\r
  99                     }\r
 100                 });\r
 101             }\r
 102 \r
 103             @Override\r
 104             public void exception(Throwable t) {\r
 105                 Activator.getDefault().getLog().log(\r
 106                         new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Internal error in procedural user component code compilation.", t));\r
 107             }\r
 108 \r
 109             @Override\r
 110             public boolean isDisposed() {\r
 111                 return editor.isDisposed();\r
 112             }\r
 113         });\r
 114     }\r
 115 \r
 116     @Override\r
 117     protected void doSaveDocument(IProgressMonitor monitor, Object element,\r
 118             IDocument document, boolean overwrite) throws CoreException {\r
 119         TimeLogger.resetTimeAndLog(getClass(), "doSaveDocument");\r
 120         currentText = document.get();\r
 121         Simantics.getSession().asyncRequest(new WriteRequest() {\r
 122             @Override\r
 123             public void perform(WriteGraph graph) throws DatabaseException {\r
 124                 graph.markUndoPoint();\r
 125                 Layer0 L0 = Layer0.getInstance(graph);\r
 126                 DiagramResource DIA = DiagramResource.getInstance(graph);\r
 127                 Collection<Resource> ass = graph.getAssertedObjects(resource, DIA.symbolDropHandler);\r
 128                 if(ass.size() == 0) {\r
 129                         \r
 130                         ModelingResources MOD = ModelingResources.getInstance(graph);\r
 131                         Resource newValue = graph.newResource();\r
 132                         graph.claim(newValue, L0.InstanceOf, MOD.SCLValue);\r
 133                         graph.claimLiteral(newValue, L0.HasValueType, "[WorkbenchSelectionElement] -> <WriteGraph,Proc> ()", Bindings.STRING);\r
 134                         graph.claimLiteral(newValue, L0.SCLValue_expression, currentText, Bindings.STRING);\r
 135                         \r
 136                         Layer0Utils.assert_(graph, resource, DIA.symbolDropHandler, newValue);\r
 137                         return;\r
 138 \r
 139                 }\r
 140                 \r
 141                 for(Resource text : ass) {\r
 142                         graph.claimLiteral(text, L0.SCLValue_expression, currentText, Bindings.STRING);\r
 143                         return;\r
 144                 }\r
 145                 \r
 146             }\r
 147         });\r
 148     }\r
 149 \r
 150 }\r