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

   1 package org.simantics.modeling.ui.componentTypeEditor;
   2
   3 import java.io.PrintWriter;
   4 import java.io.StringWriter;
   5 import java.util.Collections;
   6 import java.util.List;
   7
   8 import org.eclipse.core.runtime.CoreException;
   9 import org.eclipse.core.runtime.IProgressMonitor;
  10 import org.eclipse.jface.operation.IRunnableContext;
  11 import org.eclipse.jface.text.Document;
  12 import org.eclipse.jface.text.IDocument;
  13 import org.eclipse.jface.text.Position;
  14 import org.eclipse.jface.text.source.Annotation;
  15 import org.eclipse.jface.text.source.AnnotationModel;
  16 import org.eclipse.jface.text.source.IAnnotationModel;
  17 import org.eclipse.ui.texteditor.AbstractDocumentProvider;
  18 import org.simantics.Simantics;
  19 import org.simantics.databoard.Bindings;
  20 import org.simantics.db.ReadGraph;
  21 import org.simantics.db.Resource;
  22 import org.simantics.db.WriteGraph;
  23 import org.simantics.db.common.request.PossibleIndexRoot;
  24 import org.simantics.db.common.request.ReadRequest;
  25 import org.simantics.db.common.request.UniqueRead;
  26 import org.simantics.db.common.request.WriteRequest;
  27 import org.simantics.db.exception.DatabaseException;
  28 import org.simantics.db.layer0.util.Layer0Utils;
  29 import org.simantics.graph.refactoring.GraphRefactoringUtils;
  30 import org.simantics.graph.representation.PrettyPrintTG;
  31 import org.simantics.graph.representation.TransferableGraph1;
  32 import org.simantics.layer0.Layer0;
  33 import org.simantics.modeling.ModelingUtils;
  34 import org.simantics.modeling.ui.sharedontology.wizard.Constants;
  35 import org.simantics.scl.compiler.errors.CompilationError;
  36 import org.simantics.scl.compiler.errors.Locations;
  37 import org.simantics.ui.workbench.ResourceEditorInput;
  38 import org.simantics.utils.logging.TimeLogger;
  39
  40 public class PGraphEditorDocumentProvider extends AbstractDocumentProvider {
  41
  42     protected Resource resource;
  43     protected String currentText;
  44     protected boolean errorHappened;
  45
  46     protected AnnotationModel annotationModel = new AnnotationModel();
  47
  48     @Override
  49     protected IDocument createDocument(Object element) throws CoreException {
  50         ResourceEditorInput input = (ResourceEditorInput)element;
  51         resource = input.getResource();
  52         try {
  53             return Simantics.getSession().syncRequest(new UniqueRead<Document>() {
  54                 @Override
  55                 public Document perform(ReadGraph graph) throws DatabaseException {
  56                     Layer0 L0 = Layer0.getInstance(graph);
  57                     if(graph.isInstanceOf(resource, L0.PGraph)) {
  58                         currentText = graph.getRelatedValue(resource, L0.PGraph_definition, Bindings.STRING);
  59                         errorHappened = false;
  60                         return new Document(currentText != null ? currentText : "");
  61                     } else {
  62                         Resource indexRoot = graph.syncRequest(new PossibleIndexRoot(resource));
  63                         if(indexRoot != null && graph.isInstanceOf(indexRoot, L0.Ontology)) {
  64                                 TransferableGraph1 tg = ModelingUtils.exportSharedOntology(graph, indexRoot, null, Constants.SHARED_LIBRARY_FORMAT, Constants.SHARED_LIBRARY_CURRENT_VERSION);
  65                                         GraphRefactoringUtils.fixOntologyExport(tg);
  66                             currentText = PrettyPrintTG.print(tg);
  67                             errorHappened = false;
  68                             return new Document(currentText != null ? currentText : "");
  69                         }
  70                         throw new DatabaseException("Could not get PGraph from " + resource);
  71                     }
  72                 }
  73             });
  74         } catch (DatabaseException e) {
  75             StringWriter sw = new StringWriter();
  76             PrintWriter pw = new PrintWriter(sw);
  77             e.printStackTrace(pw);
  78             errorHappened = true;
  79             return new Document(sw.toString());
  80         }
  81     }
  82
  83     protected void updateAnnotations() {
  84         Simantics.getSession().asyncRequest(new ReadRequest() {
  85             @Override
  86             public void run(ReadGraph graph) throws DatabaseException {
  87                 setAnnotations(Collections.emptyList());
  88             }
  89         });
  90     }
  91
  92     protected void setAnnotations(List<CompilationError> errors) {
  93         synchronized(annotationModel.getLockObject()) {
  94             annotationModel.removeAllAnnotations();
  95             for(CompilationError error : errors) {
  96                 Annotation annotation = new Annotation("org.eclipse.ui.workbench.texteditor.error", true,
  97                         error.description);
  98                 int begin = Locations.beginOf(error.location);
  99                 int end = Locations.endOf(error.location);
 100                 Position position = new Position(begin, end - begin);
 101                 annotationModel.addAnnotation(annotation, position);
 102             }
 103         }
 104     }
 105
 106     boolean annotationsInitialized = false;
 107
 108     @Override
 109     protected IAnnotationModel createAnnotationModel(Object element)
 110             throws CoreException {
 111         if(!annotationsInitialized) {
 112             updateAnnotations();
 113             annotationsInitialized = true;
 114         }
 115         return annotationModel;
 116     }
 117
 118     @Override
 119     protected void doSaveDocument(IProgressMonitor monitor, Object element,
 120             IDocument document, boolean overwrite) throws CoreException {
 121         TimeLogger.resetTimeAndLog("PGraphEditorDocumentProvider.doSaveDocument");
 122         currentText = document.get();
 123         Simantics.getSession().asyncRequest(new WriteRequest() {
 124             @Override
 125             public void perform(WriteGraph graph) throws DatabaseException {
 126                 graph.markUndoPoint();
 127                 Layer0 L0 = Layer0.getInstance(graph);
 128                 graph.claimLiteral(resource, L0.PGraph_definition, currentText, Bindings.STRING);
 129                 Layer0Utils.addCommentMetadata(graph, "Saved Ontology Definition File " + graph.getRelatedValue2(resource, Layer0.getInstance(graph).HasName, Bindings.STRING));
 130             }
 131         });
 132     }
 133
 134     @Override
 135     protected IRunnableContext getOperationRunner(IProgressMonitor monitor) {
 136         return null;
 137     }
 138
 139     @Override
 140     public boolean isModifiable(Object element) {
 141         return !errorHappened;
 142     }
 143
 144     @Override
 145     public boolean isReadOnly(Object element) {
 146         return errorHappened;
 147     }
 148
 149 }