private void window_Loaded(object sender, RoutedEventArgs e)
{
doc = new XpsDocument("ch19.xps", FileAccess.ReadWrite);
docViewer.Document = doc.GetFixedDocumentSequence();
service = AnnotationService.GetService(docViewer);
if (service == null)
{
Uri annotationUri = PackUriHelper.CreatePartUri(new Uri("AnnotationStream", UriKind.Relative));
Package package = PackageStore.GetPackage(doc.Uri);
PackagePart annotationPart = null;
if (package.PartExists(annotationUri))
{
annotationPart = package.GetPart(annotationUri);
}
else
{
annotationPart = package.CreatePart(annotationUri, "Annotations/Stream");
}
// Load annotations from the package.
AnnotationStore store = new XmlStreamStore(annotationPart.GetStream());
service = new AnnotationService(docViewer);
service.Enable(store);
}
}
// Token: 0x060062D4 RID: 25300 RVA: 0x001BBA20 File Offset: 0x001B9C20
private static IList <IAttachedAnnotation> GetSpannedAnnotationsForFixed(AnnotationService service, int startPage, int endPage)
{
Invariant.Assert(service != null, "Need non-null service to get spanned annotations for fixed content.");
FixedPageProcessor fixedPageProcessor = service.LocatorManager.GetSubTreeProcessorForLocatorPart(FixedPageProcessor.CreateLocatorPart(0)) as FixedPageProcessor;
Invariant.Assert(fixedPageProcessor != null, "FixedPageProcessor should be available if we are processing fixed content.");
List <IAttachedAnnotation> result = null;
List <Annotation> annotations = new List <Annotation>();
try
{
fixedPageProcessor.UseLogicalTree = true;
for (int i = startPage; i <= endPage; i++)
{
ContentLocator contentLocator = new ContentLocator();
contentLocator.Parts.Add(FixedPageProcessor.CreateLocatorPart(i));
AnnotationHelper.AddRange(annotations, service.Store.GetAnnotations(contentLocator));
}
result = AnnotationHelper.ResolveAnnotations(service, annotations);
}
finally
{
fixedPageProcessor.UseLogicalTree = false;
}
return(result);
}
// Token: 0x060062DB RID: 25307 RVA: 0x001BBFD4 File Offset: 0x001BA1D4
private static Annotation ProcessHighlights(AnnotationService service, ITextRange textRange, string author, Color?color, bool create)
{
Invariant.Assert(textRange != null, "Parameter 'textRange' is null.");
IList <IAttachedAnnotation> spannedAnnotations = AnnotationHelper.GetSpannedAnnotations(service);
foreach (IAttachedAnnotation attachedAnnotation in spannedAnnotations)
{
if (HighlightComponent.TypeName.Equals(attachedAnnotation.Annotation.AnnotationType))
{
TextAnchor textAnchor = attachedAnnotation.FullyAttachedAnchor as TextAnchor;
Invariant.Assert(textAnchor != null, "FullyAttachedAnchor must not be null.");
TextAnchor textAnchor2 = new TextAnchor(textAnchor);
textAnchor2 = TextAnchor.TrimToRelativeComplement(textAnchor2, textRange.TextSegments);
if (textAnchor2 == null || textAnchor2.IsEmpty)
{
service.Store.DeleteAnnotation(attachedAnnotation.Annotation.Id);
}
else
{
AnnotationHelper.SetAnchor(service, attachedAnnotation.Annotation, textAnchor2);
}
}
}
if (create)
{
Annotation annotation = AnnotationHelper.CreateHighlight(service, textRange, author, color);
service.Store.AddAnnotation(annotation);
return(annotation);
}
return(null);
}
// Token: 0x060062CF RID: 25295 RVA: 0x001BB61C File Offset: 0x001B981C
private static Annotation CreateStickyNoteForSelection(AnnotationService service, XmlQualifiedName noteType, string author)
{
AnnotationHelper.CheckInputs(service);
ITextSelection textSelection = AnnotationHelper.GetTextSelection((FrameworkElement)service.Root);
Invariant.Assert(textSelection != null, "TextSelection is null");
if (textSelection.IsEmpty)
{
throw new InvalidOperationException(SR.Get("EmptySelectionNotSupported"));
}
Annotation annotation = null;
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordAnnotation, EventTrace.Event.CreateStickyNoteBegin);
try
{
annotation = AnnotationHelper.CreateAnnotationForSelection(service, textSelection, noteType, author);
Invariant.Assert(annotation != null, "CreateAnnotationForSelection returned null.");
service.Store.AddAnnotation(annotation);
textSelection.SetCaretToPosition(textSelection.MovingPosition, textSelection.MovingPosition.LogicalDirection, true, true);
}
finally
{
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordAnnotation, EventTrace.Event.CreateStickyNoteEnd);
}
return(annotation);
}
// Token: 0x060062C5 RID: 25285 RVA: 0x001BB4E0 File Offset: 0x001B96E0
internal static void OnClearHighlightsCommand(object sender, ExecutedRoutedEventArgs e)
{
DependencyObject dependencyObject = sender as DependencyObject;
if (dependencyObject != null)
{
AnnotationHelper.ClearHighlightsForSelection(AnnotationService.GetService(dependencyObject));
}
}
public static Annotation CreateTextStickyNoteForSelection(AnnotationService service, string author)
{
Contract.Ensures(!string.IsNullOrEmpty(System.Windows.Controls.StickyNoteControl.TextSchemaName.Name));
Contract.Ensures(!string.IsNullOrEmpty(System.Windows.Controls.StickyNoteControl.TextSchemaName.Namespace));
Contract.Ensures(Contract.Result <System.Windows.Annotations.Annotation>() != null);
Contract.Ensures(System.DateTime.Now.Kind == ((System.DateTimeKind)(2)));
return(default(Annotation));
}
// Token: 0x060062C4 RID: 25284 RVA: 0x001BB4B0 File Offset: 0x001B96B0
internal static void OnCreateInkStickyNoteCommand(object sender, ExecutedRoutedEventArgs e)
{
DependencyObject dependencyObject = sender as DependencyObject;
if (dependencyObject != null)
{
AnnotationHelper.CreateInkStickyNoteForSelection(AnnotationService.GetService(dependencyObject), e.Parameter as string);
}
}
// Token: 0x060062C2 RID: 25282 RVA: 0x001BB444 File Offset: 0x001B9644
internal static void OnCreateHighlightCommand(object sender, ExecutedRoutedEventArgs e)
{
DependencyObject dependencyObject = sender as DependencyObject;
if (dependencyObject != null)
{
AnnotationHelper.CreateHighlightForSelection(AnnotationService.GetService(dependencyObject), null, (e.Parameter != null) ? (e.Parameter as Brush) : null);
}
}
public static Annotation CreateTextStickyNoteForSelection(AnnotationService service, string author)
{
Contract.Ensures(!string.IsNullOrEmpty(System.Windows.Controls.StickyNoteControl.TextSchemaName.Name));
Contract.Ensures(!string.IsNullOrEmpty(System.Windows.Controls.StickyNoteControl.TextSchemaName.Namespace));
Contract.Ensures(Contract.Result<System.Windows.Annotations.Annotation>() != null);
Contract.Ensures(System.DateTime.Now.Kind == ((System.DateTimeKind)(2)));
return default(Annotation);
}
/// <summary>
/// Return an annotation component manager. If an annotation service is passed in, manager will
/// receive notification from the service. Otherwise it will expect to be called directly.
/// </summary>
/// <param name="service">optional, annotation service the annotation component manager will register on</param>
internal AnnotationComponentManager(AnnotationService service)
: base()
{
// Only register if a service was passed in. If no service was passed in, we will not receive events.
// This means a client will be calling us directly.
if (service != null)
{
service.AttachedAnnotationChanged += new AttachedAnnotationChangedEventHandler(AttachedAnnotationUpdateEventHandler);
}
}
// Token: 0x060062C6 RID: 25286 RVA: 0x001BB504 File Offset: 0x001B9704
internal static void OnDeleteStickyNotesCommand(object sender, ExecutedRoutedEventArgs e)
{
DependencyObject dependencyObject = sender as DependencyObject;
if (dependencyObject != null)
{
AnnotationHelper.DeleteTextStickyNotesForSelection(AnnotationService.GetService(dependencyObject));
AnnotationHelper.DeleteInkStickyNotesForSelection(AnnotationService.GetService(dependencyObject));
}
}
/// <summary>Clears all highlight annotations from the current selection of the viewer control associated with the given <see cref="T:System.Windows.Annotations.AnnotationService" />.</summary>
/// <param name="service">The annotation service from which to remove highlight annotations.</param>
/// <exception cref="T:System.ArgumentNullException">
/// <paramref name="service" /> is <see langword="null" />.</exception>
/// <exception cref="T:System.ArgumentException">
/// <paramref name="service" /> is not enabled.</exception>
// Token: 0x060062BE RID: 25278 RVA: 0x001BB204 File Offset: 0x001B9404
public static void ClearHighlightsForSelection(AnnotationService service)
{
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordAnnotation, EventTrace.Event.ClearHighlightBegin);
try
{
AnnotationHelper.Highlight(service, null, null, false);
}
finally
{
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordAnnotation, EventTrace.Event.ClearHighlightEnd);
}
}
/// <summary>Deletes ink sticky note annotations that are wholly contained within the current selection of the viewer control associated with the given <see cref="T:System.Windows.Annotations.AnnotationService" />.</summary>
/// <param name="service">The annotation service from which to delete ink sticky note annotations.</param>
/// <exception cref="T:System.ArgumentNullException">
/// <paramref name="service" /> is <see langword="null" />.</exception>
/// <exception cref="T:System.ArgumentException">
/// <paramref name="service" /> is not enabled.</exception>
// Token: 0x060062C0 RID: 25280 RVA: 0x001BB28C File Offset: 0x001B948C
public static void DeleteInkStickyNotesForSelection(AnnotationService service)
{
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordAnnotation, EventTrace.Event.DeleteInkNoteBegin);
try
{
AnnotationHelper.DeleteSpannedAnnotations(service, StickyNoteControl.InkSchemaName);
}
finally
{
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordAnnotation, EventTrace.Event.DeleteInkNoteEnd);
}
}
protected void OnInitialized(object sender, EventArgs e)
{
// Включить и загрузить комментарии
AnnotationService service = AnnotationService.GetService(reader);
if (service == null)
{
stream = new FileStream("storage.xml", FileMode.OpenOrCreate);
service = new AnnotationService(reader);
AnnotationStore store = new XmlStreamStore(stream);
store.AutoFlush = true;
service.Enable(store);
}
}
// Token: 0x060062D9 RID: 25305 RVA: 0x001BBE0C File Offset: 0x001BA00C
private static Annotation CreateAnnotationForSelection(AnnotationService service, ITextRange textSelection, XmlQualifiedName annotationType, string author)
{
Invariant.Assert(service != null && textSelection != null, "Parameter 'service' or 'textSelection' is null.");
Invariant.Assert(annotationType != null && (annotationType == HighlightComponent.TypeName || annotationType == StickyNoteControl.TextSchemaName || annotationType == StickyNoteControl.InkSchemaName), "Invalid Annotation Type");
Annotation annotation = new Annotation(annotationType);
AnnotationHelper.SetAnchor(service, annotation, textSelection);
if (author != null)
{
annotation.Authors.Add(author);
}
return(annotation);
}
private void Window_Initialized(object sender, EventArgs e)
{
// Enables and Loads Annotations
AnnotationService service = AnnotationService.GetService(reader);
if (service == null)
{
stream = new FileStream("storage.xml", FileMode.OpenOrCreate);
service = new AnnotationService(reader);
AnnotationStore store = new XmlStreamStore(stream);
store.AutoFlush = true;
service.Enable(store);
}
}
// Token: 0x060062DE RID: 25310 RVA: 0x001BC190 File Offset: 0x001BA390
private static void SetAnchor(AnnotationService service, Annotation annot, object selection)
{
Invariant.Assert(annot != null && selection != null, "null input parameter");
IList <ContentLocatorBase> list = service.LocatorManager.GenerateLocators(selection);
Invariant.Assert(list != null && list.Count > 0, "No locators generated for selection.");
AnnotationResource annotationResource = new AnnotationResource();
foreach (ContentLocatorBase item in list)
{
annotationResource.ContentLocators.Add(item);
}
annot.Anchors.Clear();
annot.Anchors.Add(annotationResource);
}
private void MainWindow_Loaded(object sender, RoutedEventArgs e)
{
// Load annotations store
_stream = new FileStream("storage.xml", FileMode.OpenOrCreate);
_service = new AnnotationService(flowDocumentReader);
_store = new XmlStreamStore(_stream) {AutoFlush = true};
_service.Enable(_store);
// Detect when annotations are added or deleted
_service.Store.StoreContentChanged +=
AnnotationStore_StoreContentChanged;
// Bind to annotations in store
BindToAnnotations(_store.GetAnnotations());
}
void MainWindow_Loaded(object sender, RoutedEventArgs e)
{
// Use permanent annotation storage
this.stream = new FileStream("storage.xml", FileMode.OpenOrCreate);
this.service = new AnnotationService(this.flowDocumentReader);
this.store = new XmlStreamStore(this.stream);
this.store.AutoFlush = true;
this.service.Enable(this.store);
// Detect when annotations are added or deleted
this.service.Store.StoreContentChanged += new StoreContentChangedEventHandler(AnnotationStore_StoreContentChanged);
// Bind to annotations in store
BindToAnnotations(this.store.GetAnnotations());
}
// Token: 0x060062D6 RID: 25302 RVA: 0x001BBB80 File Offset: 0x001B9D80
private static List <IAttachedAnnotation> ResolveAnnotations(AnnotationService service, IList <Annotation> annotations)
{
Invariant.Assert(annotations != null);
List <IAttachedAnnotation> list = new List <IAttachedAnnotation>(annotations.Count);
foreach (Annotation annotation in annotations)
{
AttachmentLevel attachmentLevel;
object obj = service.LocatorManager.ResolveLocator(annotation.Anchors[0].ContentLocators[0], 0, service.Root, out attachmentLevel);
if (attachmentLevel != AttachmentLevel.Incomplete && attachmentLevel != AttachmentLevel.Unresolved && obj != null)
{
list.Add(new AttachedAnnotation(service.LocatorManager, annotation, annotation.Anchors[0], obj, attachmentLevel));
}
}
return(list);
}
/// <summary>Creates a highlight annotation on the current selection of the viewer control associated with the specified <see cref="T:System.Windows.Annotations.AnnotationService" />.</summary>
/// <param name="service">The annotation service to use to create the highlight annotation.</param>
/// <param name="author">The author of the annotation.</param>
/// <param name="highlightBrush">The brush to use to draw the highlight over the selected content.</param>
/// <returns>The highlight annotation; or <see langword="null" />, if there is no selected content to highlight.</returns>
/// <exception cref="T:System.ArgumentNullException">
/// <paramref name="service" /> is <see langword="null" />.</exception>
/// <exception cref="T:System.ArgumentException">
/// <paramref name="service" /> is not enabled. -or-
/// <paramref name="highlightBrush" /> in not a <see cref="T:System.Windows.Media.SolidColorBrush" />.</exception>
/// <exception cref="T:System.InvalidOperationException">The viewer control contains no content selection.</exception>
// Token: 0x060062BB RID: 25275 RVA: 0x001BB194 File Offset: 0x001B9394
public static Annotation CreateHighlightForSelection(AnnotationService service, string author, Brush highlightBrush)
{
Annotation annotation = null;
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordAnnotation, EventTrace.Event.CreateHighlightBegin);
try
{
annotation = AnnotationHelper.Highlight(service, author, highlightBrush, true);
Invariant.Assert(annotation != null, "Highlight not returned from create call.");
}
finally
{
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordAnnotation, EventTrace.Event.CreateHighlightEnd);
}
return(annotation);
}
void Window1_Loaded(object sender, RoutedEventArgs e)
{
//throw new NotImplementedException();
XpsDocument xd =
new XpsDocument("annotation.xps", System.IO.FileAccess.ReadWrite);
dv.Document = xd.GetFixedDocumentSequence();
ans = new AnnotationService(dv);
fs=
new FileStream(
"annotation.dat", FileMode.OpenOrCreate, FileAccess.ReadWrite);
ans.Enable(new XmlStreamStore(fs));
ans.Store.AutoFlush = true;
}
// Token: 0x060062DC RID: 25308 RVA: 0x001BC0CC File Offset: 0x001BA2CC
private static Annotation CreateHighlight(AnnotationService service, ITextRange textRange, string author, Color?color)
{
Invariant.Assert(textRange != null, "textRange is null");
Annotation annotation = AnnotationHelper.CreateAnnotationForSelection(service, textRange, HighlightComponent.TypeName, author);
if (color != null)
{
ColorConverter colorConverter = new ColorConverter();
XmlDocument xmlDocument = new XmlDocument();
XmlElement xmlElement = xmlDocument.CreateElement("Colors", "http://schemas.microsoft.com/windows/annotations/2003/11/base");
xmlElement.SetAttribute("Background", colorConverter.ConvertToInvariantString(color.Value));
AnnotationResource annotationResource = new AnnotationResource("Highlight");
annotationResource.Contents.Add(xmlElement);
annotation.Cargos.Add(annotationResource);
}
return(annotation);
}
//-----------------------------------------------------
//
// Public Methods
//
//-----------------------------------------------------
#region Public Methods
/// <summary>
/// Creates a highlight annotation for the service. The anchor used is the
/// current selection in the DocumentViewerBase associated with the service.
/// If the selection length is 0 no highlight is created.
/// </summary>
/// <param name="service">service used to create annotation</param>
/// <param name="author">annotation author added to new annotation; if null, no author added</param>
/// <param name="highlightBrush">the brush to use when drawing the highlight; if null, uses default highlight brush</param>
/// <exception cref="ArgumentNullException">service is null</exception>
/// <exception cref="ArgumentException">service is not enabled or highlightBrush is not a SolidColorBrush</exception>
/// <exception cref="InvalidOperationException">selection is of zero length</exception>
/// <returns>the Annotation created</returns>
public static Annotation CreateHighlightForSelection(AnnotationService service, string author, Brush highlightBrush)
{
Annotation highlight = null;
//fire start trace event
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordAnnotation, EventTrace.Event.CreateHighlightBegin);
try
{
highlight = Highlight(service, author, highlightBrush, true);
Invariant.Assert(highlight != null, "Highlight not returned from create call.");
}
finally
{
//fire end trace event
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordAnnotation, EventTrace.Event.CreateHighlightEnd);
}
return highlight;
}
// Token: 0x0600629A RID: 25242 RVA: 0x001BA878 File Offset: 0x001B8A78
private DocumentPage ComposePageWithAnnotationVisuals(int pageNumber, DocumentPage page)
{
Size size = page.Size;
AdornerDecorator adornerDecorator = new AdornerDecorator();
adornerDecorator.FlowDirection = this._flowDirection;
DocumentPageView documentPageView = new DocumentPageView();
documentPageView.UseAsynchronousGetPage = false;
documentPageView.DocumentPaginator = this._originalPaginator;
documentPageView.PageNumber = pageNumber;
adornerDecorator.Child = documentPageView;
adornerDecorator.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
adornerDecorator.Arrange(new Rect(adornerDecorator.DesiredSize));
adornerDecorator.UpdateLayout();
AnnotationComponentManager annotationComponentManager = new AnnotationComponentManager(null);
if (this._isFixedContent)
{
AnnotationService.SetSubTreeProcessorId(adornerDecorator, FixedPageProcessor.Id);
this._locatorManager.RegisterSelectionProcessor(new FixedTextSelectionProcessor(), typeof(TextRange));
}
else
{
AnnotationService.SetDataId(adornerDecorator, "FlowDocument");
this._locatorManager.RegisterSelectionProcessor(new TextViewSelectionProcessor(), typeof(DocumentPageView));
TextSelectionProcessor textSelectionProcessor = new TextSelectionProcessor();
textSelectionProcessor.SetTargetDocumentPageView(documentPageView);
this._locatorManager.RegisterSelectionProcessor(textSelectionProcessor, typeof(TextRange));
}
IList <IAttachedAnnotation> list = this.ProcessAnnotations(documentPageView);
foreach (IAttachedAnnotation attachedAnnotation in list)
{
if (attachedAnnotation.AttachmentLevel != AttachmentLevel.Unresolved && attachedAnnotation.AttachmentLevel != AttachmentLevel.Incomplete)
{
annotationComponentManager.AddAttachedAnnotation(attachedAnnotation, false);
}
}
adornerDecorator.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
adornerDecorator.Arrange(new Rect(adornerDecorator.DesiredSize));
adornerDecorator.UpdateLayout();
return(new AnnotationDocumentPaginator.AnnotatedDocumentPage(page, adornerDecorator, size, new Rect(size), new Rect(size)));
}
// Token: 0x060062C7 RID: 25287 RVA: 0x001BB534 File Offset: 0x001B9734
internal static void OnDeleteAnnotationsCommand(object sender, ExecutedRoutedEventArgs e)
{
FrameworkElement frameworkElement = sender as FrameworkElement;
if (frameworkElement != null)
{
ITextSelection textSelection = AnnotationHelper.GetTextSelection(frameworkElement);
if (textSelection != null)
{
AnnotationService service = AnnotationService.GetService(frameworkElement);
AnnotationHelper.DeleteTextStickyNotesForSelection(service);
AnnotationHelper.DeleteInkStickyNotesForSelection(service);
if (!textSelection.IsEmpty)
{
AnnotationHelper.ClearHighlightsForSelection(service);
}
}
}
}
// ----------------------------- OnLoaded -----------------------------
/// <summary>
/// Turns Annotations on.
/// </summary>
protected void OnLoaded(object sender, RoutedEventArgs e)
{
// Make sure that an AnnotationService isn�t already enabled.
var service = AnnotationService.GetService(Viewer);
if (service == null)
{
// (a) Create a Stream for the annotations to be stored in.
_annotationStream =
new FileStream("annotations.xml", FileMode.OpenOrCreate);
// (b) Create an AnnotationService on our
// FlowDocumentPageViewer.
service = new AnnotationService(Viewer);
// (c) Create an AnnotationStore and give it the stream we
// created. (Autoflush == false)
AnnotationStore store = new XmlStreamStore(_annotationStream);
// (d) "Turn on annotations". Annotations will be persisted in
// the stream created at (a).
service.Enable(store);
}
} // end:OnLoaded
// Token: 0x060062E0 RID: 25312 RVA: 0x001BC2C0 File Offset: 0x001BA4C0
private static bool IsCommandEnabled(object sender, bool checkForEmpty)
{
Invariant.Assert(sender != null, "Parameter 'sender' is null.");
FrameworkElement frameworkElement = sender as FrameworkElement;
if (frameworkElement != null)
{
FrameworkElement frameworkElement2 = frameworkElement.Parent as FrameworkElement;
AnnotationService service = AnnotationService.GetService(frameworkElement);
if (service != null && service.IsEnabled && (service.Root == frameworkElement || (frameworkElement2 != null && service.Root == frameworkElement2.TemplatedParent)))
{
ITextSelection textSelection = AnnotationHelper.GetTextSelection(frameworkElement);
if (textSelection != null)
{
return(!checkForEmpty || !textSelection.IsEmpty);
}
}
}
return(false);
}
// Token: 0x060062D7 RID: 25303 RVA: 0x001BBC34 File Offset: 0x001B9E34
private static void DeleteSpannedAnnotations(AnnotationService service, XmlQualifiedName annotationType)
{
AnnotationHelper.CheckInputs(service);
Invariant.Assert(annotationType != null && (annotationType == HighlightComponent.TypeName || annotationType == StickyNoteControl.TextSchemaName || annotationType == StickyNoteControl.InkSchemaName), "Invalid Annotation Type");
ITextSelection textSelection = AnnotationHelper.GetTextSelection((FrameworkElement)service.Root);
Invariant.Assert(textSelection != null, "TextSelection is null");
IList <IAttachedAnnotation> spannedAnnotations = AnnotationHelper.GetSpannedAnnotations(service);
foreach (IAttachedAnnotation attachedAnnotation in spannedAnnotations)
{
if (annotationType.Equals(attachedAnnotation.Annotation.AnnotationType))
{
TextAnchor textAnchor = attachedAnnotation.AttachedAnchor as TextAnchor;
if (textAnchor != null && ((textSelection.Start.CompareTo(textAnchor.Start) > 0 && textSelection.Start.CompareTo(textAnchor.End) < 0) || (textSelection.End.CompareTo(textAnchor.Start) > 0 && textSelection.End.CompareTo(textAnchor.End) < 0) || (textSelection.Start.CompareTo(textAnchor.Start) <= 0 && textSelection.End.CompareTo(textAnchor.End) >= 0) || AnnotationHelper.CheckCaret(textSelection, textAnchor, annotationType)))
{
service.Store.DeleteAnnotation(attachedAnnotation.Annotation.Id);
}
}
}
}
// Token: 0x060062DA RID: 25306 RVA: 0x001BBE8C File Offset: 0x001BA08C
private static Annotation Highlight(AnnotationService service, string author, Brush highlightBrush, bool create)
{
AnnotationHelper.CheckInputs(service);
ITextSelection textSelection = AnnotationHelper.GetTextSelection((FrameworkElement)service.Root);
Invariant.Assert(textSelection != null, "TextSelection is null");
if (textSelection.IsEmpty)
{
throw new InvalidOperationException(SR.Get("EmptySelectionNotSupported"));
}
Color?color = null;
if (highlightBrush != null)
{
SolidColorBrush solidColorBrush = highlightBrush as SolidColorBrush;
if (solidColorBrush == null)
{
throw new ArgumentException(SR.Get("InvalidHighlightColor"), "highlightBrush");
}
byte a;
if (solidColorBrush.Opacity <= 0.0)
{
a = 0;
}
else if (solidColorBrush.Opacity >= 1.0)
{
a = solidColorBrush.Color.A;
}
else
{
a = (byte)(solidColorBrush.Opacity * (double)solidColorBrush.Color.A);
}
color = new Color?(Color.FromArgb(a, solidColorBrush.Color.R, solidColorBrush.Color.G, solidColorBrush.Color.B));
}
ITextRange textRange = new TextRange(textSelection.Start, textSelection.End);
Annotation result = AnnotationHelper.ProcessHighlights(service, textRange, author, color, create);
textSelection.SetCaretToPosition(textSelection.MovingPosition, textSelection.MovingPosition.LogicalDirection, true, true);
return(result);
}
// ------------------------ AddCommandHandlers ------------------------
private void AddCommandHandlers(FrameworkElement uiScope)
{
CommandManager.RegisterClassCommandBinding( typeof(ThumbViewer),
new CommandBinding( ApplicationCommands.Open,
new ExecutedRoutedEventHandler(OnOpen),
new CanExecuteRoutedEventHandler(OnNewQuery) ) );
// Add Command Handlers
CommandBindingCollection commandBindings = uiScope.CommandBindings;
commandBindings.Add(
new CommandBinding( ThumbViewer.Exit,
new ExecutedRoutedEventHandler(OnExit),
new CanExecuteRoutedEventHandler(OnNewQuery) ) );
commandBindings.Add(
new CommandBinding( ThumbViewer.SaveAs,
new ExecutedRoutedEventHandler(OnSaveAs),
new CanExecuteRoutedEventHandler(OnNewQuery) ) );
commandBindings.Add(
new CommandBinding(ThumbViewer.AddBookmark,
new ExecutedRoutedEventHandler(OnAddBookmark),
new CanExecuteRoutedEventHandler(OnNewQuery) ) );
commandBindings.Add(
new CommandBinding(ThumbViewer.AddComment,
new ExecutedRoutedEventHandler(OnAddComment),
new CanExecuteRoutedEventHandler(OnNewQuery) ) );
// Enable Annotations
_annotationBuffer = new MemoryStream();
_annStore = new XmlStreamStore(_annotationBuffer);
_annServ = new AnnotationService(FDPV);
_annStore.StoreContentChanged +=
new StoreContentChangedEventHandler(_annStore_StoreContentChanged);
_annServ.Enable(_annStore);
}// end:AddCommandHandlers()
protected void window_Loaded(object sender, RoutedEventArgs e)
{
WindowsIdentity identity = System.Security.Principal.WindowsIdentity.GetCurrent();
this.Resources["AuthorName"] = identity.Name;
service = AnnotationService.GetService(docReader);
if (service == null)
{
// Create a stream for the annotations to be stored in.
//AnnotationStream =
// new FileStream("annotations.xml", FileMode.OpenOrCreate);
annotationStream = new MemoryStream();
// Create the on the document container.
service = new AnnotationService(docReader);
// Create the AnnotationStore using the stream.
AnnotationStore store = new XmlStreamStore(annotationStream);
// Enable annotations.
service.Enable(store);
}
}
// Token: 0x060062DF RID: 25311 RVA: 0x001BC234 File Offset: 0x001BA434
private static void CheckInputs(AnnotationService service)
{
if (service == null)
{
throw new ArgumentNullException("service");
}
if (!service.IsEnabled)
{
throw new ArgumentException(SR.Get("AnnotationServiceNotEnabled"), "service");
}
DocumentViewerBase documentViewerBase = service.Root as DocumentViewerBase;
if (documentViewerBase == null)
{
FlowDocumentScrollViewer flowDocumentScrollViewer = service.Root as FlowDocumentScrollViewer;
FlowDocumentReader flowDocumentReader = service.Root as FlowDocumentReader;
Invariant.Assert(flowDocumentScrollViewer != null || flowDocumentReader != null, "Service's Root must be either a FlowDocumentReader, DocumentViewerBase or a FlowDocumentScrollViewer.");
return;
}
if (documentViewerBase.Document == null)
{
throw new InvalidOperationException(SR.Get("OnlyFlowFixedSupported"));
}
}
// Token: 0x060062D3 RID: 25299 RVA: 0x001BB8C4 File Offset: 0x001B9AC4
private static IList <IAttachedAnnotation> GetSpannedAnnotationsForFlow(AnnotationService service, ITextSelection selection)
{
Invariant.Assert(service != null);
ITextPointer textPointer = selection.Start.CreatePointer();
ITextPointer textPointer2 = selection.End.CreatePointer();
textPointer.MoveToNextInsertionPosition(LogicalDirection.Backward);
textPointer2.MoveToNextInsertionPosition(LogicalDirection.Forward);
ITextRange selection2 = new TextRange(textPointer, textPointer2);
IList <ContentLocatorBase> list = service.LocatorManager.GenerateLocators(selection2);
Invariant.Assert(list != null && list.Count > 0);
TextSelectionProcessor textSelectionProcessor = service.LocatorManager.GetSelectionProcessor(typeof(TextRange)) as TextSelectionProcessor;
TextSelectionProcessor textSelectionProcessor2 = service.LocatorManager.GetSelectionProcessor(typeof(TextAnchor)) as TextSelectionProcessor;
Invariant.Assert(textSelectionProcessor != null, "TextSelectionProcessor should be available for TextRange if we are processing flow content.");
Invariant.Assert(textSelectionProcessor2 != null, "TextSelectionProcessor should be available for TextAnchor if we are processing flow content.");
IList <IAttachedAnnotation> result = null;
try
{
textSelectionProcessor.Clamping = false;
textSelectionProcessor2.Clamping = false;
ContentLocator contentLocator = list[0] as ContentLocator;
Invariant.Assert(contentLocator != null, "Locators for selection in Flow should always be ContentLocators. ContentLocatorSets not supported.");
contentLocator.Parts[contentLocator.Parts.Count - 1].NameValuePairs.Add("IncludeOverlaps", bool.TrueString);
IList <Annotation> annotations = service.Store.GetAnnotations(contentLocator);
result = AnnotationHelper.ResolveAnnotations(service, annotations);
}
finally
{
textSelectionProcessor.Clamping = true;
textSelectionProcessor2.Clamping = true;
}
return(result);
}
private void EnableAnnotations()
{
AnnotationService anoService = new AnnotationService(myDocumentReader);
using (MemoryStream anoStream = new MemoryStream())
{
anoService.Enable(new XmlStreamStore(anoStream));
}
}
public static Annotation CreateHighlightForSelection(AnnotationService service, string author, System.Windows.Media.Brush highlightBrush)
{
return(default(Annotation));
}
/// <summary>Creates an ink sticky note annotation on the current selection of the viewer control associated with the specified <see cref="T:System.Windows.Annotations.AnnotationService" />..</summary>
/// <param name="service">The annotation service to use to create the ink sticky note annotation.</param>
/// <param name="author">The author of the annotation.</param>
/// <returns>The ink sticky note annotation; or <see langword="null" />, if there is no selected content to annotate.</returns>
/// <exception cref="T:System.ArgumentNullException">
/// <paramref name="service" /> is <see langword="null" />.</exception>
/// <exception cref="T:System.ArgumentException">
/// <paramref name="service" /> is not enabled.</exception>
/// <exception cref="T:System.InvalidOperationException">The viewer control contains no content selection.</exception>
// Token: 0x060062BD RID: 25277 RVA: 0x001BB1F6 File Offset: 0x001B93F6
public static Annotation CreateInkStickyNoteForSelection(AnnotationService service, string author)
{
return(AnnotationHelper.CreateStickyNoteForSelection(service, StickyNoteControl.InkSchemaName, author));
}
/// <summary>
/// Creates a highlight annotation with the specified color and author
/// </summary>
/// <param name="service">the AnnotationService</param>
/// <param name="textRange">highlight anchor</param>
/// <param name="author">highlight author</param>
/// <param name="color">highlight brush</param>
/// <returns>created annotation</returns>
private static Annotation CreateHighlight(AnnotationService service, ITextRange textRange, string author, Nullable<Color> color)
{
Invariant.Assert(textRange != null, "textRange is null");
Annotation annotation = CreateAnnotationForSelection(service, textRange, HighlightComponent.TypeName, author);
// Set the cargo with highlight color
if (color != null)
{
ColorConverter converter = new ColorConverter();
XmlDocument doc = new XmlDocument();
XmlElement colorsElement = doc.CreateElement(HighlightComponent.ColorsContentName, AnnotationXmlConstants.Namespaces.BaseSchemaNamespace);
colorsElement.SetAttribute(HighlightComponent.BackgroundAttributeName, converter.ConvertToInvariantString(color.Value));
AnnotationResource cargo = new AnnotationResource(HighlightComponent.HighlightResourceName);
cargo.Contents.Add(colorsElement);
annotation.Cargos.Add(cargo);
}
return annotation;
}
/// <summary>
/// Common input checks. Service must be non-null and enabled.
/// </summary>
/// <param name="service">service to check</param>
/// <exception cref="ArgumentNullException">service is null</exception>
/// <exception cref="ArgumentException">service is not enabled</exception>
private static void CheckInputs(AnnotationService service)
{
if (service == null)
{
throw new ArgumentNullException("service");
}
if (!service.IsEnabled)
{
throw new ArgumentException(SR.Get(SRID.AnnotationServiceNotEnabled), "service");
}
DocumentViewerBase viewer = service.Root as DocumentViewerBase;
if (viewer == null)
{
FlowDocumentScrollViewer scrollViewer = service.Root as FlowDocumentScrollViewer;
FlowDocumentReader reader = service.Root as FlowDocumentReader;
Invariant.Assert((scrollViewer != null) || (reader != null), "Service's Root must be either a FlowDocumentReader, DocumentViewerBase or a FlowDocumentScrollViewer.");
}
else
{
if (viewer.Document == null)
{
throw new InvalidOperationException(SR.Get(SRID.OnlyFlowFixedSupported));
}
}
}
private static List<IAttachedAnnotation> ResolveAnnotations(AnnotationService service, IList<Annotation> annotations)
{
Invariant.Assert(annotations != null);
List<IAttachedAnnotation> attachedAnnotations = new List<IAttachedAnnotation>(annotations.Count);
// Now resolve any that we queried and add them to list of attached annotations
foreach (Annotation annot in annotations)
{
AttachmentLevel level;
object anchor = service.LocatorManager.ResolveLocator(annot.Anchors[0].ContentLocators[0], 0, service.Root, out level);
if (level != AttachmentLevel.Incomplete && level != AttachmentLevel.Unresolved && anchor != null)
{
attachedAnnotations.Add(new AttachedAnnotation(service.LocatorManager, annot, annot.Anchors[0], anchor, level));
}
}
return attachedAnnotations;
}
/// <summary>
/// Finds and removes all annotations of the specified type that have part or the entire
/// anchor covered by the start-end range. If the delete range is adjacent to the anchor it
/// it will not be deleted
/// </summary>
/// <param name="service">service to use for this operation</param>
/// <param name="annotationType">type of the annotations to be removed</param>
private static void DeleteSpannedAnnotations(AnnotationService service, XmlQualifiedName annotationType)
{
CheckInputs(service);
// Limited set of annotation types supported in V1
Invariant.Assert(annotationType != null &&
(annotationType == HighlightComponent.TypeName ||
annotationType == StickyNoteControl.TextSchemaName ||
annotationType == StickyNoteControl.InkSchemaName), "Invalid Annotation Type");
// Get the selection from the viewer
ITextSelection selection = GetTextSelection((FrameworkElement)service.Root);
Invariant.Assert(selection != null, "TextSelection is null");
// Get annotations spanned by current selection
IList<IAttachedAnnotation> attachedAnnotations = GetSpannedAnnotations(service);
// Find the annotations that overlap with the selection
foreach (IAttachedAnnotation attachedAnnot in attachedAnnotations)
{
if (annotationType.Equals(attachedAnnot.Annotation.AnnotationType))
{
// Only annotations with TextRange anchors can be compared to
// the text selection, we ignore others
TextAnchor anchor = attachedAnnot.AttachedAnchor as TextAnchor;
if (anchor == null)
continue;
// Remove any annotations that overlap in anyway
if (((selection.Start.CompareTo(anchor.Start) > 0) && (selection.Start.CompareTo(anchor.End) < 0)) ||
((selection.End.CompareTo(anchor.Start) > 0) && (selection.End.CompareTo(anchor.End) < 0)) ||
((selection.Start.CompareTo(anchor.Start) <= 0) && (selection.End.CompareTo(anchor.End) >= 0)) ||
CheckCaret(selection, anchor, annotationType))
{
service.Store.DeleteAnnotation(attachedAnnot.Annotation.Id);
}
}
}
}
/// <summary>
/// Creates an annotation of the specified type in the service. The current
/// selection of the DocumentViewerBase is used as the anchor of the new
/// annotation.
/// If the selection is of length 0 no annotation is created.
/// If the no locators can be generated for the textAnchor, no annotation is created.
/// </summary>
/// <param name="service">the AnnotationService</param>
/// <param name="textSelection">text selection for new annotation</param>
/// <param name="annotationType">the type of the annotation to create</param>
/// <param name="author">optional author for new annotation</param>
/// <returns>the annotation created</returns>
/// <exception cref="ArgumentException">service is not enabled</exception>
/// <exception cref="InvalidOperationException">selection is of zero length</exception>
private static Annotation CreateAnnotationForSelection(AnnotationService service, ITextRange textSelection, XmlQualifiedName annotationType, string author)
{
Invariant.Assert(service != null && textSelection != null, "Parameter 'service' or 'textSelection' is null.");
// Limited set of annotation types supported in V1
Invariant.Assert(annotationType != null &&
(annotationType == HighlightComponent.TypeName ||
annotationType == StickyNoteControl.TextSchemaName ||
annotationType == StickyNoteControl.InkSchemaName), "Invalid Annotation Type");
Annotation annotation = new Annotation(annotationType);
SetAnchor(service, annotation, textSelection);
// Add the author to the annotation
if (author != null)
{
annotation.Authors.Add(author);
}
return annotation;
}
/// <summary>Returns an <see cref="T:System.Windows.Annotations.IAnchorInfo" /> object that provides anchoring information, such as the anchor location, about the specified annotation.</summary>
/// <param name="service">The annotation service to use for this operation.</param>
/// <param name="annotation">The annotation to get anchoring information for.</param>
/// <returns>An <see cref="T:System.Windows.Annotations.IAnchorInfo" /> object that provides anchoring information about the specified annotation, or <see langword="null" /> if it cannot be resolved.</returns>
// Token: 0x060062C1 RID: 25281 RVA: 0x001BB2D0 File Offset: 0x001B94D0
public static IAnchorInfo GetAnchorInfo(AnnotationService service, Annotation annotation)
{
AnnotationHelper.CheckInputs(service);
if (annotation == null)
{
throw new ArgumentNullException("annotation");
}
bool flag = true;
DocumentViewerBase documentViewerBase = service.Root as DocumentViewerBase;
if (documentViewerBase == null)
{
FlowDocumentReader flowDocumentReader = service.Root as FlowDocumentReader;
if (flowDocumentReader != null)
{
documentViewerBase = (AnnotationHelper.GetFdrHost(flowDocumentReader) as DocumentViewerBase);
}
}
else
{
flag = (documentViewerBase.Document is FlowDocument);
}
IList <IAttachedAnnotation> list = null;
if (flag)
{
TextSelectionProcessor textSelectionProcessor = service.LocatorManager.GetSelectionProcessor(typeof(TextRange)) as TextSelectionProcessor;
TextSelectionProcessor textSelectionProcessor2 = service.LocatorManager.GetSelectionProcessor(typeof(TextAnchor)) as TextSelectionProcessor;
Invariant.Assert(textSelectionProcessor != null, "TextSelectionProcessor should be available for TextRange if we are processing flow content.");
Invariant.Assert(textSelectionProcessor2 != null, "TextSelectionProcessor should be available for TextAnchor if we are processing flow content.");
try
{
textSelectionProcessor.Clamping = false;
textSelectionProcessor2.Clamping = false;
list = AnnotationHelper.ResolveAnnotations(service, new Annotation[]
{
annotation
});
goto IL_12E;
}
finally
{
textSelectionProcessor.Clamping = true;
textSelectionProcessor2.Clamping = true;
}
}
FixedPageProcessor fixedPageProcessor = service.LocatorManager.GetSubTreeProcessorForLocatorPart(FixedPageProcessor.CreateLocatorPart(0)) as FixedPageProcessor;
Invariant.Assert(fixedPageProcessor != null, "FixedPageProcessor should be available if we are processing fixed content.");
try
{
fixedPageProcessor.UseLogicalTree = true;
list = AnnotationHelper.ResolveAnnotations(service, new Annotation[]
{
annotation
});
}
finally
{
fixedPageProcessor.UseLogicalTree = false;
}
IL_12E:
Invariant.Assert(list != null);
if (list.Count > 0)
{
return(list[0]);
}
return(null);
}
/// <summary>
/// Creates a text sticky note annotation for the service. The anchor used is
/// the current selection in the DocumentViewerBase associated with the service.
/// If the selection length is 0 no sticky note is created.
/// </summary>
/// <param name="service">service used to create annotation</param>
/// <param name="author">annotation author added to new annotation; if null, no author added</param>
/// <exception cref="ArgumentNullException">service is null</exception>
/// <exception cref="ArgumentException">service is not enabled</exception>
/// <exception cref="InvalidOperationException">selection is of zero length</exception>
/// <returns>the Annotation created</returns>
public static Annotation CreateTextStickyNoteForSelection(AnnotationService service, string author)
{
return CreateStickyNoteForSelection(service, StickyNoteControl.TextSchemaName, author);
}
///<summary>
/// For a given page # and a page, returns a page that include the original
/// page along with any annotations that are displayed on that page.
/// </summary>
/// <param name="page"></param>
/// <param name="pageNumber"></param>
private DocumentPage ComposePageWithAnnotationVisuals(int pageNumber, DocumentPage page)
{
// Need to store these because our current highlight mechanism
// causes the page to be disposed
Size tempSize = page.Size;
AdornerDecorator decorator = new AdornerDecorator();
decorator.FlowDirection = _flowDirection;
DocumentPageView dpv = new DocumentPageView();
dpv.UseAsynchronousGetPage = false;
dpv.DocumentPaginator = _originalPaginator;
dpv.PageNumber = pageNumber;
decorator.Child = dpv;
// Arrange the first time to get the DPV setup right
decorator.Measure(new Size(Double.PositiveInfinity, Double.PositiveInfinity));
decorator.Arrange(new Rect(decorator.DesiredSize));
decorator.UpdateLayout();
// Create a new one for each page because it keeps a cache of annotation components
// and we don't want to be holding them in memory once the page is no longer used
AnnotationComponentManager manager = new MS.Internal.Annotations.Component.AnnotationComponentManager(null);
// Setup DPs and processors for annotation handling. If the service isn't already
// enabled the processors will be registered by the service when it is enabled.
if (_isFixedContent)
{
// Setup service to look for FixedPages in the content
AnnotationService.SetSubTreeProcessorId(decorator, FixedPageProcessor.Id);
// If the service is already registered, set it up for fixed content
_locatorManager.RegisterSelectionProcessor(new FixedTextSelectionProcessor(), typeof(TextRange));
}
else
{
// Setup up an initial DataId used to identify the document
AnnotationService.SetDataId(decorator, "FlowDocument");
_locatorManager.RegisterSelectionProcessor(new TextViewSelectionProcessor(), typeof(DocumentPageView));
// Setup the selection processor, pre-targeting it at a specific DocumentPageView
TextSelectionProcessor textSelectionProcessor = new TextSelectionProcessor();
textSelectionProcessor.SetTargetDocumentPageView(dpv);
_locatorManager.RegisterSelectionProcessor(textSelectionProcessor, typeof(TextRange));
}
// Get attached annotations for the page
IList <IAttachedAnnotation> attachedAnnotations = ProcessAnnotations(dpv);
// Now make sure they have a visual component added to the DPV via the component manager
foreach (IAttachedAnnotation attachedAnnotation in attachedAnnotations)
{
if (attachedAnnotation.AttachmentLevel != AttachmentLevel.Unresolved && attachedAnnotation.AttachmentLevel != AttachmentLevel.Incomplete)
{
manager.AddAttachedAnnotation(attachedAnnotation, false);
}
}
// Update layout a second time to get the annotations layed out correctly
decorator.Measure(new Size(Double.PositiveInfinity, Double.PositiveInfinity));
decorator.Arrange(new Rect(decorator.DesiredSize));
decorator.UpdateLayout();
/* Look into using the VisualBrush in order to get a dead page instead of a live one...
* VisualBrush visualBrush = new VisualBrush(decorator);
* Rectangle rectangle = new Rectangle();
* rectangle.Fill = visualBrush;
* rectangle.Margin = new Thickness(0);
*/
return(new AnnotatedDocumentPage(page, decorator, tempSize, new Rect(tempSize), new Rect(tempSize)));
}
/// <summary>
/// Deletes ink sticky notes whose anchors are wholly contained by the
/// service's viewer's selection. If no anchors are wholly contained
/// by the selection, then this method is a no-op.
/// </summary>
/// <param name="service">service from which to delete annotations</param>
/// <exception cref="ArgumentNullException">service is null</exception>
/// <exception cref="ArgumentException">service is not enabled</exception>
public static void DeleteInkStickyNotesForSelection(AnnotationService service)
{
//fire start trace event
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordAnnotation, EventTrace.Event.DeleteInkNoteBegin);
try
{
DeleteSpannedAnnotations(service, StickyNoteControl.InkSchemaName);
}
finally
{
//fire end trace event
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordAnnotation, EventTrace.Event.DeleteInkNoteEnd);
}
}
/// <summary>
/// Clears all highlights that overlap with the service's viewer's selection.
/// If a highlight overlaps the selection only partially, the portion
/// that is overlapping is cleared. The rest of it remains.
/// If no highlights overlap the selection, this method is a no-op.
/// If the selection is of zero length, this method is a no-op.
/// </summary>
/// <param name="service">service from which to delete annotations</param>
/// <exception cref="ArgumentNullException">service is null</exception>
/// <exception cref="ArgumentException">service is not enabled</exception>
public static void ClearHighlightsForSelection(AnnotationService service)
{
//fire start trace event
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordAnnotation, EventTrace.Event.ClearHighlightBegin);
try
{
Highlight(service, null, null, false);
}
finally
{
//fire end trace event
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordAnnotation, EventTrace.Event.ClearHighlightEnd);
}
}
private static IList<IAttachedAnnotation> GetSpannedAnnotationsForFixed(AnnotationService service, int startPage, int endPage)
{
Invariant.Assert(service != null, "Need non-null service to get spanned annotations for fixed content.");
FixedPageProcessor processor = service.LocatorManager.GetSubTreeProcessorForLocatorPart(FixedPageProcessor.CreateLocatorPart(0)) as FixedPageProcessor;
Invariant.Assert(processor != null, "FixedPageProcessor should be available if we are processing fixed content.");
List<IAttachedAnnotation> attachedAnnotations = null;
List<Annotation> annotations = new List<Annotation>();
try
{
// Turn resolving of non-visible anchors on
processor.UseLogicalTree = true;
// For each non-visible page, query the store for annotations on that page
for (int pageNumber = startPage; pageNumber <= endPage; pageNumber++)
{
ContentLocator locator = new ContentLocator();
locator.Parts.Add(FixedPageProcessor.CreateLocatorPart(pageNumber));
AddRange(annotations, service.Store.GetAnnotations(locator));
}
attachedAnnotations = ResolveAnnotations(service, annotations);
}
finally
{
// Turn resolving of non-visible anchors off again
processor.UseLogicalTree = false;
}
return attachedAnnotations;
}
private static void SetAnchor(AnnotationService service, Annotation annot, object selection)
{
Invariant.Assert(annot != null && selection != null, "null input parameter");
// Generate locators for the selection - add them to the anchor
IList<ContentLocatorBase> locators = service.LocatorManager.GenerateLocators(selection);
Invariant.Assert(locators != null && locators.Count > 0, "No locators generated for selection.");
// Create an annotation with a single anchor
AnnotationResource anchor = new AnnotationResource();
// Add the locators to the anchor
foreach (ContentLocatorBase locator in locators)
{
anchor.ContentLocators.Add(locator);
}
annot.Anchors.Clear();
annot.Anchors.Add(anchor);
}
private static IList<IAttachedAnnotation> GetSpannedAnnotationsForFlow(AnnotationService service, ITextSelection selection)
{
Invariant.Assert(service != null);
// Expand the range to get annotations that sit just outside the selection - important for merging
ITextPointer start = selection.Start.CreatePointer();
ITextPointer end = selection.End.CreatePointer();
start.MoveToNextInsertionPosition(LogicalDirection.Backward);
end.MoveToNextInsertionPosition(LogicalDirection.Forward);
ITextRange textRange = new TextRange(start, end);
// Create locator that reflects all spanned annotations for the current selection
IList<ContentLocatorBase> locators = service.LocatorManager.GenerateLocators(textRange);
Invariant.Assert(locators != null && locators.Count > 0);
TextSelectionProcessor rangeProcessor = service.LocatorManager.GetSelectionProcessor(typeof(TextRange)) as TextSelectionProcessor;
TextSelectionProcessor anchorProcessor = service.LocatorManager.GetSelectionProcessor(typeof(TextAnchor)) as TextSelectionProcessor;
Invariant.Assert(rangeProcessor != null, "TextSelectionProcessor should be available for TextRange if we are processing flow content.");
Invariant.Assert(anchorProcessor != null, "TextSelectionProcessor should be available for TextAnchor if we are processing flow content.");
IList<IAttachedAnnotation> attachedAnnotations = null;
IList<Annotation> annotations = null;
try
{
// Turn resolving for non-visible content on
rangeProcessor.Clamping = false;
anchorProcessor.Clamping = false;
ContentLocator locator = locators[0] as ContentLocator;
Invariant.Assert(locator != null, "Locators for selection in Flow should always be ContentLocators. ContentLocatorSets not supported.");
// Make sure we get all annotations that overlap with the selection
locator.Parts[locator.Parts.Count - 1].NameValuePairs.Add(TextSelectionProcessor.IncludeOverlaps, Boolean.TrueString);
// Query for the annotations
annotations = service.Store.GetAnnotations(locator);
//
attachedAnnotations = ResolveAnnotations(service, annotations);
}
finally
{
// Turn resolving of non-visible content off again
rangeProcessor.Clamping = true;
anchorProcessor.Clamping = true;
}
return attachedAnnotations;
}
private void EnableAnnotations()
{
// Create the AnnotationService object that works
// with our FlowDocumentReader.
AnnotationService anoService = new AnnotationService(myDocumentReader);
// Create a MemoryStream which will hold the annotations.
MemoryStream anoStream = new MemoryStream();
// Now, create a XML-based store based on the MemoryStream.
// You could use this object to programmatically add, delete
// or find annotations.
AnnotationStore store = new XmlStreamStore(anoStream);
// Enable the annotation services.
anoService.Enable(store);
}
private static IList<IAttachedAnnotation> GetSpannedAnnotations(AnnotationService service)
{
CheckInputs(service);
bool isFlow = true;
// Determine if we are using a viewer that supports pagination
DocumentViewerBase viewer = service.Root as DocumentViewerBase;
if (viewer == null)
{
FlowDocumentReader fdr = service.Root as FlowDocumentReader;
if (fdr != null)
{
viewer = GetFdrHost(fdr) as DocumentViewerBase;
}
}
else
{
// Only paginated viewers support non-FlowDocuments, so
// if we have one, check its content type
isFlow = viewer.Document is FlowDocument;
}
bool allPagesVisible = true;
ITextSelection selection = GetTextSelection((FrameworkElement)service.Root);
Invariant.Assert(selection != null, "TextSelection is null");
int selStartPage = 0, selEndPage = 0;
if(viewer != null)
{
//if this is a DocumentViewerBase check the selection pages
TextSelectionHelper.GetPointerPage(selection.Start, out selStartPage);
TextSelectionHelper.GetPointerPage(selection.End, out selEndPage);
// If either page cannot be found, the selection we are trying to anchor to
// is invalid. This can happen if the selection was created programmatically
// for TextPointers that don't have pages because pagination failed.
if (selStartPage == -1 || selEndPage == -1)
throw new ArgumentException(SR.Get(SRID.InvalidSelectionPages));
allPagesVisible = AreAllPagesVisible(viewer, selStartPage, selEndPage);
}
IList<IAttachedAnnotation> attachedAnnotations = null;
if (allPagesVisible)
{
// If viewer is not a DocumentViewerBase or the selection has
// no parts on non-visible pages, just use the attached annotations
attachedAnnotations = service.GetAttachedAnnotations();
}
else
{
// Use the method specific to the kind of content we are displaying
if (isFlow)
{
attachedAnnotations = GetSpannedAnnotationsForFlow(service, selection);
}
else
{
attachedAnnotations = GetSpannedAnnotationsForFixed(service, selStartPage, selEndPage);
}
}
IList<TextSegment> textSegments = selection.TextSegments;
Debug.Assert((textSegments != null) && (textSegments.Count > 0), "Invalid selection TextSegments");
if ((attachedAnnotations != null) && (attachedAnnotations.Count > 0))
{
if (allPagesVisible || !isFlow)
{
//if the list contains all currently attached annotations or the Annotations
// from all visible fixed pages we must remove the annotations that are not
// overlapped by the selection. This is not needed for Flow because
// GetSpannedAnnotationsForFlow will retrieve only the annotations covered by the selection
for (int i = attachedAnnotations.Count - 1; i >= 0; i--)
{
TextAnchor ta = attachedAnnotations[i].AttachedAnchor as TextAnchor;
if ((ta == null) || !ta.IsOverlapping(textSegments))
{
//remove this attached annotation - it is out of selection scope
attachedAnnotations.RemoveAt(i);
}
}
}
}
return attachedAnnotations;
}
public static IAnchorInfo GetAnchorInfo(AnnotationService service, Annotation annotation)
{
return(default(IAnchorInfo));
}
//-----------------------------------------------------
//
// Private Methods
//
//-----------------------------------------------------
#region Private Methods
/// <summary>
/// Creates a sticky note annotation of the specified type for the service. The anchor
/// used is the current selection in the DocumentViewerBase associated with the service.
/// If the selection length is 0 no sticky note is created.
/// </summary>
/// <param name="service">service in which to create annotation</param>
/// <param name="noteType">type of StickyNote to create</param>
/// <param name="author">optional author of new annotation</param>
/// <exception cref="ArgumentNullException">service is null</exception>
/// <exception cref="ArgumentException">service is not enabled</exception>
private static Annotation CreateStickyNoteForSelection(AnnotationService service, XmlQualifiedName noteType, string author)
{
CheckInputs(service);
// Get the selection for the viewer
ITextSelection selection = GetTextSelection((FrameworkElement)service.Root);
Invariant.Assert(selection != null, "TextSelection is null");
// Cannot create an annotation with zero length text anchor
if (selection.IsEmpty)
{
throw new InvalidOperationException(SR.Get(SRID.EmptySelectionNotSupported));
}
Annotation annotation = null;
//fire start trace event
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordAnnotation, EventTrace.Event.CreateStickyNoteBegin);
try
{
// Create the annotation
annotation = CreateAnnotationForSelection(service, selection, noteType, author);
Invariant.Assert(annotation != null, "CreateAnnotationForSelection returned null.");
// Add annotation to the store - causing it to be resolved and displayed, if possible
service.Store.AddAnnotation(annotation);
// Clear the selection
selection.SetCaretToPosition(selection.MovingPosition, selection.MovingPosition.LogicalDirection, true, true);
}
finally
{
//fire end trace event
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordAnnotation, EventTrace.Event.CreateStickyNoteEnd);
}
return annotation;
}
public static void DeleteTextStickyNotesForSelection(AnnotationService service)
{
}
// Token: 0x060062D1 RID: 25297 RVA: 0x001BB730 File Offset: 0x001B9930
private static IList <IAttachedAnnotation> GetSpannedAnnotations(AnnotationService service)
{
AnnotationHelper.CheckInputs(service);
bool flag = true;
DocumentViewerBase documentViewerBase = service.Root as DocumentViewerBase;
if (documentViewerBase == null)
{
FlowDocumentReader flowDocumentReader = service.Root as FlowDocumentReader;
if (flowDocumentReader != null)
{
documentViewerBase = (AnnotationHelper.GetFdrHost(flowDocumentReader) as DocumentViewerBase);
}
}
else
{
flag = (documentViewerBase.Document is FlowDocument);
}
bool flag2 = true;
ITextSelection textSelection = AnnotationHelper.GetTextSelection((FrameworkElement)service.Root);
Invariant.Assert(textSelection != null, "TextSelection is null");
int num = 0;
int num2 = 0;
if (documentViewerBase != null)
{
TextSelectionHelper.GetPointerPage(textSelection.Start, out num);
TextSelectionHelper.GetPointerPage(textSelection.End, out num2);
if (num == -1 || num2 == -1)
{
throw new ArgumentException(SR.Get("InvalidSelectionPages"));
}
flag2 = AnnotationHelper.AreAllPagesVisible(documentViewerBase, num, num2);
}
IList <IAttachedAnnotation> list;
if (flag2)
{
list = service.GetAttachedAnnotations();
}
else if (flag)
{
list = AnnotationHelper.GetSpannedAnnotationsForFlow(service, textSelection);
}
else
{
list = AnnotationHelper.GetSpannedAnnotationsForFixed(service, num, num2);
}
IList <TextSegment> textSegments = textSelection.TextSegments;
if (list != null && list.Count > 0 && (flag2 || !flag))
{
for (int i = list.Count - 1; i >= 0; i--)
{
TextAnchor textAnchor = list[i].AttachedAnchor as TextAnchor;
if (textAnchor == null || !textAnchor.IsOverlapping(textSegments))
{
list.RemoveAt(i);
}
}
}
return(list);
}
public static void ClearHighlightsForSelection(AnnotationService service)
{
}
/// <summary>
/// Gets the AttachedAnnotation for any annotation, even if its not visible.
/// </summary>
/// <param name="service">service from which to resolve annotations</param>
/// <param name="annotation">annotation to get anchor info for</param>
/// <exception cref="ArgumentNullException">service or annotation is null</exception>
/// <exception cref="ArgumentException">service is not enabled</exception>
public static IAnchorInfo GetAnchorInfo(AnnotationService service, Annotation annotation)
{
CheckInputs(service);
if (annotation == null)
throw new ArgumentNullException("annotation");
bool isFlow = true;
// Determine if we are using a viewer that supports pagination
DocumentViewerBase viewer = service.Root as DocumentViewerBase;
if (viewer == null)
{
FlowDocumentReader fdr = service.Root as FlowDocumentReader;
if (fdr != null)
{
viewer = GetFdrHost(fdr) as DocumentViewerBase;
}
}
else
{
// Only paginated viewers support non-FlowDocuments, so
// if we have one, check its content type
isFlow = viewer.Document is FlowDocument;
}
IList<IAttachedAnnotation> attachedAnnotations = null;
// Use the method specific to the kind of content we are displaying
if (isFlow)
{
TextSelectionProcessor rangeProcessor = service.LocatorManager.GetSelectionProcessor(typeof(TextRange)) as TextSelectionProcessor;
TextSelectionProcessor anchorProcessor = service.LocatorManager.GetSelectionProcessor(typeof(TextAnchor)) as TextSelectionProcessor;
Invariant.Assert(rangeProcessor != null, "TextSelectionProcessor should be available for TextRange if we are processing flow content.");
Invariant.Assert(anchorProcessor != null, "TextSelectionProcessor should be available for TextAnchor if we are processing flow content.");
try
{
// Turn resolving for non-visible content on
rangeProcessor.Clamping = false;
anchorProcessor.Clamping = false;
attachedAnnotations = ResolveAnnotations(service, new Annotation[] { annotation });
}
finally
{
// Turn resolving of non-visible content off again
rangeProcessor.Clamping = true;
anchorProcessor.Clamping = true;
}
}
else
{
FixedPageProcessor processor = service.LocatorManager.GetSubTreeProcessorForLocatorPart(FixedPageProcessor.CreateLocatorPart(0)) as FixedPageProcessor;
Invariant.Assert(processor != null, "FixedPageProcessor should be available if we are processing fixed content.");
try
{
// Turn resolving of non-visible anchors on
processor.UseLogicalTree = true;
attachedAnnotations = ResolveAnnotations(service, new Annotation[] { annotation });
}
finally
{
// Turn resolving of non-visible anchors off again
processor.UseLogicalTree = false;
}
}
Invariant.Assert(attachedAnnotations != null);
if (attachedAnnotations.Count > 0)
return attachedAnnotations[0];
return null;
}
/// <summary>
/// Highlights/Unhighlights selection
/// </summary>
/// <param name="service">annotation servise</param>
/// <param name="author">annotation author</param>
/// <param name="highlightBrush">highlight color</param>
/// <param name="create">true - highlight, false - clear highlight</param>
/// <returns>the annotation created, if create flag was true; null otherwise</returns>
private static Annotation Highlight(AnnotationService service, string author, Brush highlightBrush, bool create)
{
CheckInputs(service);
// Get the selection for the viewer and wrap it in a TextRange
ITextSelection selection = GetTextSelection((FrameworkElement)service.Root);
Invariant.Assert(selection != null, "TextSelection is null");
// Cannot create an annotation with zero length text anchor
if (selection.IsEmpty)
{
throw new InvalidOperationException(SR.Get(SRID.EmptySelectionNotSupported));
}
Nullable<Color> color = null;
if (highlightBrush != null)
{
SolidColorBrush brush = highlightBrush as SolidColorBrush;
if (brush == null)
throw new ArgumentException(SR.Get(SRID.InvalidHighlightColor), "highlightBrush");
// Opacity less than 0 is treated as 0; greater than 1 is treated a 1.
byte alpha;
if (brush.Opacity <= 0)
alpha = 0;
else if (brush.Opacity >= 1)
alpha = brush.Color.A;
else
alpha = (byte) (brush.Opacity * brush.Color.A);
color = Color.FromArgb(alpha, brush.Color.R, brush.Color.G, brush.Color.B);
}
// Create a range so we can move its ends without changing the selection
ITextRange anchor = new TextRange(selection.Start, selection.End);
Annotation highlight = ProcessHighlights(service, anchor, author, color, create);
// Clear the selection
selection.SetCaretToPosition(selection.MovingPosition, selection.MovingPosition.LogicalDirection, true, true);
return highlight;
}
/// <summary>
/// Merges highlights with the same color. Splits highlights with different colors
/// </summary>
/// <param name="service">the AnnotationService</param>
/// <param name="textRange">TextRange of the new highlight</param>
/// <param name="color">highlight color</param>
/// <param name="author">highlight author</param>
/// <param name="create">if true, this is create highlight operation, otherwise it is Clear</param>
/// <returns>the annotation created, if create flag was true; null otherwise</returns>
private static Annotation ProcessHighlights(AnnotationService service, ITextRange textRange, string author, Nullable<Color> color, bool create)
{
Invariant.Assert(textRange != null, "Parameter 'textRange' is null.");
IList<IAttachedAnnotation> spannedAnnots = GetSpannedAnnotations(service);
// Step one: trim all the spanned annotations so there is no overlap with the new annotation
foreach (IAttachedAnnotation attachedAnnotation in spannedAnnots)
{
if (HighlightComponent.TypeName.Equals(attachedAnnotation.Annotation.AnnotationType))
{
TextAnchor textAnchor = attachedAnnotation.FullyAttachedAnchor as TextAnchor;
Invariant.Assert(textAnchor != null, "FullyAttachedAnchor must not be null.");
TextAnchor copy = new TextAnchor(textAnchor);
// This modifies the current fully resolved anchor
copy = TextAnchor.TrimToRelativeComplement(copy, textRange.TextSegments);
// If the trimming resulting in no more content being in the anchor,
// delete the annotation
if (copy == null || copy.IsEmpty)
{
service.Store.DeleteAnnotation(attachedAnnotation.Annotation.Id);
continue;
}
// If there was some portion of content still in the anchor,
// generate new locators representing the modified anchor
SetAnchor(service, attachedAnnotation.Annotation, copy);
}
}
// Step two: create new annotation
if (create)
{
//create one annotation and return
Annotation highlight = CreateHighlight(service, textRange, author, color);
service.Store.AddAnnotation(highlight);
return highlight;
}
return null;
}
