Examples of org.eclipse.jface.text.source.IAnnotationModelExtension

org.eclipse.jface.text.source.IAnnotationModelExtension
Extends {@link org.eclipse.jface.text.source.IAnnotationModel}with the ability piggyback other annotation models. It also introduces the concept of modification time stamps and adds methods for richer manipulation methods. @since 3.0

    IAnnotationModel model= null;
    if (viewer instanceof ISourceViewerExtension2) {
      ISourceViewerExtension2 viewerExtension= (ISourceViewerExtension2) viewer;
      IAnnotationModel visual= viewerExtension.getVisualAnnotationModel();
      if (visual instanceof IAnnotationModelExtension) {
        IAnnotationModelExtension modelExtension= (IAnnotationModelExtension) visual;
        model= modelExtension.getAnnotationModel(ProjectionSupport.PROJECTION);
      }
    }


    if (model != null) {
      try {

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  private boolean isCanceled(IProgressMonitor monitor) {
    return monitor != null && monitor.isCanceled();
  }


  private void removeSummaries(IProgressMonitor monitor, IAnnotationModel visualAnnotationModel) {
    IAnnotationModelExtension extension= null;
    List bags= null;


    if (visualAnnotationModel instanceof IAnnotationModelExtension) {
      extension= (IAnnotationModelExtension)visualAnnotationModel;
      bags= new ArrayList();
    }


    Iterator e= visualAnnotationModel.getAnnotationIterator();
    while (e.hasNext()) {
      Annotation annotation= (Annotation) e.next();
      if (annotation instanceof AnnotationBag) {
        if (bags == null)
          visualAnnotationModel.removeAnnotation(annotation);
        else
          bags.add(annotation);
      }


      if (isCanceled(monitor))
        return;
    }


    if (bags != null && bags.size() > 0) {
      Annotation[] deletions= new Annotation[bags.size()];
      bags.toArray(deletions);
      if (!isCanceled(monitor))
        extension.replaceAnnotations(deletions, null);
    }
  }

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        return;
    }


    if (additions.size() > 0) {
      if (visualAnnotationModel instanceof IAnnotationModelExtension) {
        IAnnotationModelExtension extension= (IAnnotationModelExtension)visualAnnotationModel;
        if (!isCanceled(monitor))
          extension.replaceAnnotations(null, additions);
      } else {
        Iterator e1= additions.keySet().iterator();
        while (e1.hasNext()) {
          AnnotationBag bag= (AnnotationBag) e1.next();
          Position position= (Position) additions.get(bag);

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        }
      }
    }


    if (fAnnotationModel instanceof IAnnotationModelExtension) {
      IAnnotationModelExtension ext= (IAnnotationModelExtension) fAnnotationModel;
      ext.replaceAnnotations((Annotation[]) fAnnotations.toArray(new Annotation[fAnnotations.size()]), added);
    } else {
      for (Iterator it= fAnnotations.iterator(); it.hasNext();) {
        Annotation annotation= (Annotation) it.next();
        fAnnotationModel.removeAnnotation(annotation);
      }

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      ITextViewer viewer= fCurrentTarget.getViewer();
      if (viewer instanceof ISourceViewer) {
        ISourceViewer sv= (ISourceViewer) viewer;
        IAnnotationModel model= sv.getAnnotationModel();
        if (model instanceof IAnnotationModelExtension) {
          IAnnotationModelExtension ext= (IAnnotationModelExtension) model;
          IAnnotationModel ourModel= ext.getAnnotationModel(getUniqueKey());
          if (ourModel == null) {
            ext.addAnnotationModel(getUniqueKey(), lpa);
          }
        }
      }
    }
  }

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    ITextViewer viewer= target.getViewer();
    if (viewer instanceof ISourceViewer) {
      ISourceViewer sv= (ISourceViewer) viewer;
      IAnnotationModel model= sv.getAnnotationModel();
      if (model instanceof IAnnotationModelExtension) {
        IAnnotationModelExtension ext= (IAnnotationModelExtension) model;
        ext.removeAnnotationModel(getUniqueKey());
      }
    }
  }

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     *
     * @param annotations
     */
    @Override
    public void addedAnnotation(Collection<AnnotationFS> annotations) {
      IAnnotationModelExtension annotationModel = (IAnnotationModelExtension) getDocumentProvider().getAnnotationModel(getEditorInput());
      
      Map<Annotation, Position> addAnnotationMap = new HashMap<Annotation, Position>();
      
      for (AnnotationFS annotation : annotations) {
        addAnnotationMap.put(new EclipseAnnotationPeer(annotation), new Position(annotation.getBegin(), 
                annotation.getEnd() - annotation.getBegin()));
      }
      
      annotationModel.replaceAnnotations(null, addAnnotationMap);
    }

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        mFeatureStructureSelectionProvider.clearSelectionSilently();
      }


      highlight(0, 0); // TODO: only if removed annotation was selected


      IAnnotationModelExtension annotationModel = (IAnnotationModelExtension) getDocumentProvider().getAnnotationModel(getEditorInput());
      
      Annotation removeAnnotations[] = new Annotation[deletedAnnotations.size()];
      int removeAnnotationsIndex = 0;
      for (AnnotationFS annotation : deletedAnnotations) {
        removeAnnotations[removeAnnotationsIndex++] = new EclipseAnnotationPeer(annotation);
      }
      
      annotationModel.replaceAnnotations(removeAnnotations, null);
    }

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      return;
    IAnnotationModel model = provider.getAnnotationModel(editor
        .getEditorInput());
    if (!(model instanceof IAnnotationModelExtension))
      return;
    IAnnotationModelExtension modelex = (IAnnotationModelExtension) model;


    IDocument document = provider.getDocument(editor.getEditorInput());


    CoverageAnnotationModel coveragemodel = (CoverageAnnotationModel) modelex
        .getAnnotationModel(KEY);
    if (coveragemodel == null) {
      coveragemodel = new CoverageAnnotationModel(editor, document);
      modelex.addAnnotationModel(KEY, coveragemodel);
    }
  }

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      return;
    IAnnotationModel model = provider.getAnnotationModel(editor
        .getEditorInput());
    if (!(model instanceof IAnnotationModelExtension))
      return;
    IAnnotationModelExtension modelex = (IAnnotationModelExtension) model;
    modelex.removeAnnotationModel(KEY);
  }

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