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

org.eclipse.jface.text.source.Annotation
Annotation managed by an {@link org.eclipse.jface.text.source.IAnnotationModel}.
Annotations are typed, can have an associated text and can be marked as persistent and deleted. Annotations which are not explicitly initialized with an annotation type are of type "org.eclipse.text.annotation.unknown".

                    int start = invalidFilters[i].getStartToken().getOffset();
                    int stop = invalidFilters[i].getStopToken() != null ? invalidFilters[i].getStopToken().getOffset()
                        + invalidFilters[i].getStopToken().getLength() : start
                        + invalidFilters[i].getStartToken().getLength();


                    Annotation annotation = new Annotation( "DEFAULT", true, invalidFilters[i].toString() ); //$NON-NLS-1$
                    Position position = new Position( start, stop - start );
                    positionList.add( position );
                    sourceViewer.getAnnotationModel().addAnnotation( annotation, position );
                }
            }


            for ( int i = 0; i < tokens.length; i++ )
            {
                if ( tokens[i].getType() == LdapFilterToken.ERROR )
                {


                    boolean overlaps = false;
                    for ( int k = 0; k < positionList.size(); k++ )
                    {
                        Position pos = positionList.get( k );
                        if ( pos.overlapsWith( tokens[i].getOffset(), tokens[i].getLength() ) )
                        {
                            overlaps = true;
                            break;
                        }
                    }
                    if ( !overlaps )
                    {
                        Annotation annotation = new Annotation( "DEFAULT", true, tokens[i].getValue() ); //$NON-NLS-1$
                        Position position = new Position( tokens[i].getOffset(), tokens[i].getLength() );
                        sourceViewer.getAnnotationModel().addAnnotation( annotation, position );
                    }
                }
            }

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      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);
      }

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  /*
   * @see org.eclipse.ui.texteditor.IVerticalRulerListener#annotationDefaultSelected(org.eclipse.ui.texteditor.VerticalRulerEvent)
   */
  public void annotationDefaultSelected(VerticalRulerEvent event) {
    Annotation a= event.getSelectedAnnotation();
    IAnnotationModel model= getAnnotationModel();
    Position position= model.getPosition(a);
    if (position == null)
      return;

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    annotModel.addAnnotationModelListener(this);
    resource = r;
    
    for (Iterator i = annotModel.getAnnotationIterator(); i.hasNext(); )
      {
      Annotation current = (Annotation)i.next();
      if (!annotationSupported(current)) continue;
      if (current.getType().equals("org.eclipse.ui.workbench.texteditor.bookmark"))
        annotations.put(current,buildXCDEAnnotation(annotModel.getPosition(current).offset,
                              annotModel.getPosition(current).length,
                              buildBookmarkDetails((MarkerAnnotation)current)));
      else if (current.getType().equals("org.eclipse.ui.workbench.texteditor.task"))
        annotations.put(current,buildXCDEAnnotation(annotModel.getPosition(current).offset,
                              annotModel.getPosition(current).length,
                              buildTaskDetails((MarkerAnnotation)current)));
      }
    }

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   */
  private Annotation findAnnotation(String type, int offset, int length, String text)
    {
    for (Iterator i = annotModel.getAnnotationIterator(); i.hasNext(); )
      {
      Annotation current = (Annotation)i.next();
      if (!annotationSupported(current)) continue;
      try
        {
        if (current.getType().equals(type) &&
          annotModel.getPosition(current).offset == offset &&
          annotModel.getPosition(current).length == length &&
          ((MarkerAnnotation)current).getMarker().getAttribute(IMarker.MESSAGE).equals(text))
          {
          return current;

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      found.add(i.next());
    
    //process all the annotations currently attached to the model
    for (Iterator i = annotModel.getAnnotationIterator(); i.hasNext(); )
      {
      Annotation current = (Annotation)i.next();


      //if we have a type we are not interested in, we will skip it
      if (!annotationSupported(current))
        continue;
      
      if (!annotations.containsKey(current))
        {
        //new annotaiton
        MarkerAnnotation toAdd = (MarkerAnnotation)current;
        if (toAdd.getType().equals("org.eclipse.ui.workbench.texteditor.bookmark"))
          {
          XCDEBookmarkDetails details = buildBookmarkDetails(toAdd);
          XCDEDocumentAnnotation a = buildXCDEAnnotation(annotModel.getPosition(current).offset, annotModel.getPosition(current).length, details);
          annotations.put(current,a);
          makeChange(new XCDEDocumentAnnotationStimulusAdd(parentRegister.getUsername(),a));
          }
        else if (toAdd.getType().equals("org.eclipse.ui.workbench.texteditor.task"))
          {
          XCDETaskDetails details = buildTaskDetails(toAdd);
          XCDEDocumentAnnotation a = buildXCDEAnnotation(annotModel.getPosition(current).offset, annotModel.getPosition(current).length, details);
          annotations.put(current,a);
          makeChange(new XCDEDocumentAnnotationStimulusAdd(parentRegister.getUsername(),a));
          }  
        }
      else
        {
        //changed
        MarkerAnnotation toChange = (MarkerAnnotation)current;
        if (toChange.getType().equals("org.eclipse.ui.workbench.texteditor.bookmark"))
          {
          XCDEBookmarkDetails details = buildBookmarkDetails(toChange);
          XCDEDocumentAnnotation a = buildXCDEAnnotation(annotModel.getPosition(current).offset, annotModel.getPosition(current).length, details);
          if (!((XCDEDocumentAnnotation)annotations.get(current)).details.equals(details))
            {
            makeChange(new XCDEDocumentAnnotationStimulusChange(parentRegister.getUsername(),
                  (XCDEDocumentAnnotation)annotations.get(current),a));
            }
          annotations.put(current,a);
          }
        else if (toChange.getType().equals("org.eclipse.ui.workbench.texteditor.task"))
          {
          XCDETaskDetails details = buildTaskDetails(toChange);
          XCDEDocumentAnnotation a = buildXCDEAnnotation(annotModel.getPosition(current).offset, annotModel.getPosition(current).length, details);
          if (!((XCDEDocumentAnnotation)annotations.get(current)).details.equals(details))
            {
            makeChange(new XCDEDocumentAnnotationStimulusChange(parentRegister.getUsername(),
                  (XCDEDocumentAnnotation)annotations.get(current),a));
            }
          annotations.put(current,a);
          }
        found.remove(current);
        }
      }
    
    for (Iterator i = found.iterator(); i.hasNext(); )
      {
      Annotation current = (Annotation)i.next();
      // This check should be unnecessary, because we only store MarkerAnnotations in the annotations map.
      //if (!(current instanceof MarkerAnnotation))
      //  continue;
      MarkerAnnotation toDelete = (MarkerAnnotation)current;
      if (toDelete.getType().equals("org.eclipse.ui.workbench.texteditor.bookmark"))

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    String text = "";
    if (a.details instanceof XCDEBookmarkDetails)
      text = ((XCDEBookmarkDetails)a.details).text;
    else if (a.details instanceof XCDETaskDetails)
      text = ((XCDETaskDetails)a.details).text;
    Annotation toRemove = findAnnotation(type,offset,length,text);
    if (toRemove != null)
      {
      // This check is unnecessary, because we only return MarkerAnnotations from findAnnotation().
      //if (toRemove instanceof MarkerAnnotation)
        //{

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  private void updateAnnotations(XCDEDocChange ch)
    {
    annotModel.removeAnnotationModelListener(this);
    for (Iterator i = annotModel.getAnnotationIterator(); i.hasNext(); )
      {
      Annotation a = (Annotation)i.next();
      if (!annotationSupported(a))
        continue;
      annotations.remove(a);
      XCDEDocumentSelection newSel = new XCDEDocumentSelection(annotModel.getPosition(a).offset, annotModel.getPosition(a).length);
      //We do not update the annotation model because that updates itself, it
      //is the marker attributes that don't get updated that we care about
      IMarker marker = ((MarkerAnnotation)a).getMarker();
      try
        {
        marker.setAttribute(IMarker.CHAR_START, newSel.pos);
        marker.setAttribute(IMarker.CHAR_END, newSel.pos + newSel.length);
        marker.setAttribute(IMarker.LINE_NUMBER, document.getLineOfOffset(newSel.pos)+1);
        }
      catch (Exception e)
        {
        throw new RuntimeException(e);
        }
      if (a.getType().equals("org.eclipse.ui.workbench.texteditor.bookmark"))
        annotations.put(a,buildXCDEAnnotation(newSel.pos,newSel.length,buildBookmarkDetails((MarkerAnnotation)a)));
      else
        annotations.put(a,buildXCDEAnnotation(newSel.pos,newSel.length,buildTaskDetails((MarkerAnnotation)a)));
      }
    annotModel.addAnnotationModelListener(this);

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  private List computeProposals(IQuickAssistInvocationContext context, IAnnotationModel model) {
    int offset= context.getOffset();
    ArrayList annotationList= new ArrayList();
    Iterator iter= model.getAnnotationIterator();
    while (iter.hasNext()) {
      Annotation annotation= (Annotation)iter.next();
      if (canFix(annotation)) {
        Position pos= model.getPosition(annotation);
        if (isAtPosition(offset, pos)) {
          collectSpellingProblems(annotation, pos, annotationList);
        }

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   * @since 3.2
   */
  public Annotation gotoAnnotation(boolean forward) {
    ITextSelection selection= (ITextSelection) getSelectionProvider().getSelection();
    Position position= new Position(0, 0);
    Annotation annotation= findAnnotation(selection.getOffset(), selection.getLength(), forward, position);
    setStatusLineErrorMessage(null);
    setStatusLineMessage(null);
    
    if (annotation != null) {
      selectAndReveal(position.getOffset(), position.getLength());
      setStatusLineMessage(annotation.getText());
    }
    return annotation;
  }

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