--- /dev/null
+package org.simantics.document.ui;\r
+\r
+import java.io.PrintWriter;\r
+import java.io.StringWriter;\r
+import java.util.Collections;\r
+import java.util.List;\r
+\r
+import org.eclipse.core.runtime.CoreException;\r
+import org.eclipse.core.runtime.IProgressMonitor;\r
+import org.eclipse.jface.operation.IRunnableContext;\r
+import org.eclipse.jface.text.Document;\r
+import org.eclipse.jface.text.IDocument;\r
+import org.eclipse.jface.text.Position;\r
+import org.eclipse.jface.text.source.Annotation;\r
+import org.eclipse.jface.text.source.AnnotationModel;\r
+import org.eclipse.jface.text.source.IAnnotationModel;\r
+import org.eclipse.ui.texteditor.AbstractDocumentProvider;\r
+import org.simantics.Simantics;\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.common.request.ReadRequest;\r
+import org.simantics.db.common.request.UniqueRead;\r
+import org.simantics.db.common.request.WriteRequest;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.util.Layer0Utils;\r
+import org.simantics.document.DocumentResource;\r
+import org.simantics.layer0.Layer0;\r
+import org.simantics.scl.compiler.errors.CompilationError;\r
+import org.simantics.scl.compiler.errors.Locations;\r
+import org.simantics.ui.workbench.ResourceEditorInput2;\r
+import org.simantics.utils.logging.TimeLogger;\r
+\r
+public class CSSModuleEditorDocumentProvider extends AbstractDocumentProvider {\r
+\r
+ protected Resource resource;\r
+ protected String currentText;\r
+ protected boolean errorHappened;\r
+\r
+ protected AnnotationModel annotationModel = new AnnotationModel();\r
+ private final CSSSourceViewerConfiguration sourceViewer;\r
+\r
+ public CSSModuleEditorDocumentProvider(CSSSourceViewerConfiguration sourceViewer) {\r
+ this.sourceViewer = sourceViewer;\r
+ }\r
+\r
+ @Override\r
+ protected IDocument createDocument(Object element) throws CoreException {\r
+ ResourceEditorInput2 input = (ResourceEditorInput2)element;\r
+ resource = input.getResource();\r
+ try {\r
+ return Simantics.getSession().syncRequest(new UniqueRead<Document>() {\r
+ @Override\r
+ public Document perform(ReadGraph graph) throws DatabaseException {\r
+ DocumentResource DOC = DocumentResource.getInstance(graph);\r
+ currentText = graph.getPossibleRelatedValue(resource, DOC.cssDocument, Bindings.STRING);\r
+ errorHappened = false;\r
+ return new Document(currentText != null ? currentText : "");\r
+ }\r
+ });\r
+ } catch (DatabaseException e) {\r
+ StringWriter sw = new StringWriter();\r
+ PrintWriter pw = new PrintWriter(sw);\r
+ e.printStackTrace(pw);\r
+ errorHappened = true;\r
+ return new Document(sw.toString());\r
+ }\r
+ }\r
+\r
+ protected void updateAnnotations() {\r
+ Simantics.getSession().asyncRequest(new ReadRequest() {\r
+ @Override\r
+ public void run(ReadGraph graph) throws DatabaseException {\r
+ if (!graph.hasStatement(resource))\r
+ return;\r
+ setAnnotations(Collections.<CompilationError>emptyList());\r
+ }\r
+ });\r
+ }\r
+\r
+ protected void setAnnotations(List<CompilationError> errors) {\r
+ synchronized(annotationModel.getLockObject()) {\r
+ annotationModel.removeAllAnnotations();\r
+ for(CompilationError error : errors) {\r
+ Annotation annotation = new Annotation("org.eclipse.ui.workbench.texteditor.error", true,\r
+ error.description);\r
+ int begin = Locations.beginOf(error.location);\r
+ int end = Locations.endOf(error.location);\r
+ Position position = new Position(begin, end - begin);\r
+ annotationModel.addAnnotation(annotation, position);\r
+ }\r
+ }\r
+ }\r
+\r
+ boolean annotationsInitialized = false;\r
+\r
+ @Override\r
+ protected IAnnotationModel createAnnotationModel(Object element)\r
+ throws CoreException {\r
+ if(!annotationsInitialized) {\r
+ updateAnnotations();\r
+ annotationsInitialized = true;\r
+ }\r
+ return annotationModel;\r
+ }\r
+\r
+ @Override\r
+ protected void doSaveDocument(IProgressMonitor monitor, Object element,\r
+ IDocument document, boolean overwrite) throws CoreException {\r
+ TimeLogger.resetTimeAndLog("SCLModuleEditorDocumentProvider.doSaveDocument");\r
+ currentText = document.get();\r
+ Simantics.getSession().asyncRequest(new WriteRequest() {\r
+ @Override\r
+ public void perform(WriteGraph graph) throws DatabaseException {\r
+ graph.markUndoPoint();\r
+ DocumentResource DOC = DocumentResource.getInstance(graph);\r
+ graph.claimLiteral(resource, DOC.cssDocument, currentText, Bindings.STRING);\r
+ Layer0Utils.addCommentMetadata(graph, "Saved CSS " + graph.getRelatedValue2(resource, Layer0.getInstance(graph).HasName, Bindings.STRING));\r
+ }\r
+ });\r
+ }\r
+\r
+ @Override\r
+ protected IRunnableContext getOperationRunner(IProgressMonitor monitor) {\r
+ return null;\r
+ }\r
+\r
+ @Override\r
+ public boolean isModifiable(Object element) {\r
+ return !errorHappened;\r
+ }\r
+\r
+ @Override\r
+ public boolean isReadOnly(Object element) {\r
+ return errorHappened;\r
+ }\r
+\r
+}\r