fAnnotationAccess = createAnnotationAccess();
fOverviewRuler = createOverviewRuler(getSharedColors());
ProjectionViewer viewer =
new ProjectionViewer(parent, ruler, getOverviewRuler(), isOverviewRulerVisible(), styles);
fProjectionSupport = new ProjectionSupport(viewer, getAnnotationAccess(), getSharedColors());
fProjectionSupport.addSummarizableAnnotationType(ANNOTATION_TYPE_APEX_ERROR); //$NON-NLS-1$
fProjectionSupport.addSummarizableAnnotationType(ANNOTATION_TYPE_APEX_WARNING); //$NON-NLS-1$
fProjectionSupport.install();
// viewer.doOperation(ProjectionViewer.TOGGLE);
setTitleToolTip(EDITOR_NAME);