1 package org.simantics.document.ui;
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3 import java.io.PrintWriter;
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4 import java.io.StringWriter;
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5 import java.util.Collections;
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6 import java.util.List;
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8 import org.eclipse.core.runtime.CoreException;
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9 import org.eclipse.core.runtime.IProgressMonitor;
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10 import org.eclipse.jface.operation.IRunnableContext;
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11 import org.eclipse.jface.text.Document;
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12 import org.eclipse.jface.text.IDocument;
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13 import org.eclipse.jface.text.Position;
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14 import org.eclipse.jface.text.source.Annotation;
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15 import org.eclipse.jface.text.source.AnnotationModel;
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16 import org.eclipse.jface.text.source.IAnnotationModel;
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17 import org.eclipse.ui.texteditor.AbstractDocumentProvider;
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18 import org.simantics.Simantics;
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19 import org.simantics.databoard.Bindings;
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20 import org.simantics.db.ReadGraph;
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21 import org.simantics.db.Resource;
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22 import org.simantics.db.WriteGraph;
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23 import org.simantics.db.common.request.ReadRequest;
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24 import org.simantics.db.common.request.UniqueRead;
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25 import org.simantics.db.common.request.WriteRequest;
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26 import org.simantics.db.exception.DatabaseException;
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27 import org.simantics.db.layer0.util.Layer0Utils;
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28 import org.simantics.document.DocumentResource;
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29 import org.simantics.layer0.Layer0;
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30 import org.simantics.scl.compiler.errors.CompilationError;
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31 import org.simantics.scl.compiler.errors.Locations;
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32 import org.simantics.ui.workbench.ResourceEditorInput2;
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33 import org.simantics.utils.logging.TimeLogger;
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35 public class CSSModuleEditorDocumentProvider extends AbstractDocumentProvider {
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37 protected Resource resource;
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38 protected String currentText;
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39 protected boolean errorHappened;
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41 protected AnnotationModel annotationModel = new AnnotationModel();
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42 private final CSSSourceViewerConfiguration sourceViewer;
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44 public CSSModuleEditorDocumentProvider(CSSSourceViewerConfiguration sourceViewer) {
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45 this.sourceViewer = sourceViewer;
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49 protected IDocument createDocument(Object element) throws CoreException {
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50 ResourceEditorInput2 input = (ResourceEditorInput2)element;
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51 resource = input.getResource();
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53 return Simantics.getSession().syncRequest(new UniqueRead<Document>() {
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55 public Document perform(ReadGraph graph) throws DatabaseException {
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56 DocumentResource DOC = DocumentResource.getInstance(graph);
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57 currentText = graph.getPossibleRelatedValue(resource, DOC.cssDocument, Bindings.STRING);
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58 errorHappened = false;
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59 return new Document(currentText != null ? currentText : "");
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62 } catch (DatabaseException e) {
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63 StringWriter sw = new StringWriter();
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64 PrintWriter pw = new PrintWriter(sw);
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65 e.printStackTrace(pw);
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66 errorHappened = true;
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67 return new Document(sw.toString());
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71 protected void updateAnnotations() {
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72 Simantics.getSession().asyncRequest(new ReadRequest() {
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74 public void run(ReadGraph graph) throws DatabaseException {
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75 if (!graph.hasStatement(resource))
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77 setAnnotations(Collections.<CompilationError>emptyList());
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82 protected void setAnnotations(List<CompilationError> errors) {
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83 synchronized(annotationModel.getLockObject()) {
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84 annotationModel.removeAllAnnotations();
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85 for(CompilationError error : errors) {
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86 Annotation annotation = new Annotation("org.eclipse.ui.workbench.texteditor.error", true,
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88 int begin = Locations.beginOf(error.location);
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89 int end = Locations.endOf(error.location);
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90 Position position = new Position(begin, end - begin);
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91 annotationModel.addAnnotation(annotation, position);
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96 boolean annotationsInitialized = false;
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99 protected IAnnotationModel createAnnotationModel(Object element)
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100 throws CoreException {
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101 if(!annotationsInitialized) {
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102 updateAnnotations();
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103 annotationsInitialized = true;
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105 return annotationModel;
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109 protected void doSaveDocument(IProgressMonitor monitor, Object element,
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110 IDocument document, boolean overwrite) throws CoreException {
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111 TimeLogger.resetTimeAndLog("SCLModuleEditorDocumentProvider.doSaveDocument");
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112 currentText = document.get();
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113 Simantics.getSession().asyncRequest(new WriteRequest() {
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115 public void perform(WriteGraph graph) throws DatabaseException {
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116 graph.markUndoPoint();
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117 DocumentResource DOC = DocumentResource.getInstance(graph);
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118 graph.claimLiteral(resource, DOC.cssDocument, currentText, Bindings.STRING);
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119 Layer0Utils.addCommentMetadata(graph, "Saved CSS " + graph.getRelatedValue2(resource, Layer0.getInstance(graph).HasName, Bindings.STRING));
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125 protected IRunnableContext getOperationRunner(IProgressMonitor monitor) {
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130 public boolean isModifiable(Object element) {
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131 return !errorHappened;
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135 public boolean isReadOnly(Object element) {
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136 return errorHappened;
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