// Token: 0x06007C8D RID: 31885 RVA: 0x00230668 File Offset: 0x0022E868
private void AddComponent(IAttachedAnnotation attachedAnnotation, IAnnotationComponent component, bool reorder)
{
UIElement uielement = attachedAnnotation.Parent as UIElement;
if (component.PresentationContext != null)
{
return;
}
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(uielement);
if (adornerLayer != null)
{
this.AddToAttachedAnnotations(attachedAnnotation, component);
component.AddAttachedAnnotation(attachedAnnotation);
AdornerPresentationContext.HostComponent(adornerLayer, component, uielement, reorder);
return;
}
if (PresentationSource.FromVisual(uielement) == null)
{
return;
}
throw new InvalidOperationException(SR.Get("NoPresentationContextForGivenElement", new object[]
{
uielement
}));
}
// Token: 0x06007C73 RID: 31859 RVA: 0x0022FF34 File Offset: 0x0022E134
public void UpdateComponentZOrder(IAnnotationComponent component)
{
Invariant.Assert(component != null, "null component");
int componentLevel = AdornerPresentationContext.GetComponentLevel(component);
AnnotationAdorner annotationAdorner = this.FindAnnotationAdorner(component);
if (annotationAdorner == null)
{
return;
}
this._adornerLayer.SetAdornerZOrder(annotationAdorner, AdornerPresentationContext.ComponentToAdorner(component.ZOrder, componentLevel));
List <AnnotationAdorner> topAnnotationAdorners = this.GetTopAnnotationAdorners(componentLevel, component);
if (topAnnotationAdorners == null)
{
return;
}
int num = component.ZOrder + 1;
foreach (AnnotationAdorner annotationAdorner2 in topAnnotationAdorners)
{
annotationAdorner2.AnnotationComponent.ZOrder = num;
this._adornerLayer.SetAdornerZOrder(annotationAdorner2, AdornerPresentationContext.ComponentToAdorner(num, componentLevel));
num++;
}
}
// Token: 0x06007C6B RID: 31851 RVA: 0x0022FD94 File Offset: 0x0022DF94
public override void RemoveFromHost(IAnnotationComponent component, bool reorder)
{
if (component == null)
{
throw new ArgumentNullException("component");
}
if (this.IsInternalComponent(component))
{
this._annotationAdorner.AnnotationComponent.PresentationContext = null;
this._adornerLayer.Remove(this._annotationAdorner);
this._annotationAdorner.RemoveChildren();
this._annotationAdorner = null;
return;
}
AnnotationAdorner annotationAdorner = this.FindAnnotationAdorner(component);
if (annotationAdorner == null)
{
throw new InvalidOperationException(SR.Get("ComponentNotInPresentationContext", new object[]
{
component
}));
}
this._adornerLayer.Remove(annotationAdorner);
annotationAdorner.RemoveChildren();
AdornerPresentationContext adornerPresentationContext = component.PresentationContext as AdornerPresentationContext;
if (adornerPresentationContext != null)
{
adornerPresentationContext.ResetInternalAnnotationAdorner();
}
component.PresentationContext = null;
}
// Token: 0x06007C6A RID: 31850 RVA: 0x0022FD71 File Offset: 0x0022DF71
public override void AddToHost(IAnnotationComponent component)
{
if (component == null)
{
throw new ArgumentNullException("component");
}
AdornerPresentationContext.HostComponent(this._adornerLayer, component, component.AnnotatedElement, false);
}
/// <summary>
/// Determines if the passed in object is equal to this object.
/// Two AdornerPresentationContexts will be equal if they both have the same adorner layer.
/// </summary>
/// <param name="o">The object to compare with.</param>
/// <returns>True if the objects are equal. False otherwise.</returns>
public override bool Equals(object o)
{
AdornerPresentationContext p = o as AdornerPresentationContext;
if (p != null)
{
return(p._adornerLayer == this._adornerLayer);
}
return(false);
}
// Token: 0x06007C6E RID: 31854 RVA: 0x0022FEB8 File Offset: 0x0022E0B8
public override void SendToBack(IAnnotationComponent component)
{
AnnotationAdorner annotationAdorner = this.GetAnnotationAdorner(component);
int componentLevel = AdornerPresentationContext.GetComponentLevel(component);
if (component.ZOrder != 0)
{
component.ZOrder = 0;
this.UpdateComponentZOrder(component);
}
}
// Token: 0x06007C6D RID: 31853 RVA: 0x0022FE64 File Offset: 0x0022E064
public override void BringToFront(IAnnotationComponent component)
{
AnnotationAdorner annotationAdorner = this.GetAnnotationAdorner(component);
int componentLevel = AdornerPresentationContext.GetComponentLevel(component);
int nextZOrder = AdornerPresentationContext.GetNextZOrder(this._adornerLayer, componentLevel);
if (nextZOrder != component.ZOrder + 1)
{
component.ZOrder = nextZOrder;
this._adornerLayer.SetAdornerZOrder(annotationAdorner, AdornerPresentationContext.ComponentToAdorner(component.ZOrder, componentLevel));
}
}
// Token: 0x06007C65 RID: 31845 RVA: 0x0022FC4C File Offset: 0x0022DE4C
internal static void HostComponent(AdornerLayer adornerLayer, IAnnotationComponent component, UIElement annotatedElement, bool reorder)
{
AnnotationAdorner annotationAdorner = new AnnotationAdorner(component, annotatedElement);
annotationAdorner.AnnotationComponent.PresentationContext = new AdornerPresentationContext(adornerLayer, annotationAdorner);
int componentLevel = AdornerPresentationContext.GetComponentLevel(component);
if (reorder)
{
component.ZOrder = AdornerPresentationContext.GetNextZOrder(adornerLayer, componentLevel);
}
adornerLayer.Add(annotationAdorner, AdornerPresentationContext.ComponentToAdorner(component.ZOrder, componentLevel));
}
// Token: 0x06007C79 RID: 31865 RVA: 0x0023013C File Offset: 0x0022E33C
private static int GetNextZOrder(AdornerLayer adornerLayer, int level)
{
Invariant.Assert(adornerLayer != null, "null adornerLayer");
int num = 0;
int childrenCount = VisualTreeHelper.GetChildrenCount(adornerLayer);
if (childrenCount == 0)
{
return(num);
}
for (int i = 0; i < childrenCount; i++)
{
DependencyObject child = VisualTreeHelper.GetChild(adornerLayer, i);
AnnotationAdorner annotationAdorner = child as AnnotationAdorner;
if (annotationAdorner != null && AdornerPresentationContext.GetComponentLevel(annotationAdorner.AnnotationComponent) == level && annotationAdorner.AnnotationComponent.ZOrder >= num)
{
num = annotationAdorner.AnnotationComponent.ZOrder + 1;
}
}
return(num);
}
/// <summary>
/// Remove annotation component from host; in our case: respective annotation adorner from adornerLayer.
/// If this presentation context does not contain the component search the adorner layer.
/// Null out the presentation context of the component and set the local annotationAdorner to null if necessary,
/// ask the annotation adorner to remove all visual children.
/// </summary>
/// <param name="component">Component to remove from host</param>
/// <param name="reorder">if true - recalculate z-order</param>
public override void RemoveFromHost(IAnnotationComponent component, bool reorder)
{
if (component == null)
{
throw new ArgumentNullException("component");
}
if (IsInternalComponent(component))
{
_annotationAdorner.AnnotationComponent.PresentationContext = null;
_adornerLayer.Remove(_annotationAdorner);
_annotationAdorner.RemoveChildren();
_annotationAdorner = null;
}
else
{// need to find annotation adorner in layer, remove it and do house-keeping
AnnotationAdorner foundAdorner = this.FindAnnotationAdorner(component);
if (foundAdorner == null)
{
throw new InvalidOperationException(SR.Get(SRID.ComponentNotInPresentationContext, component));
}
_adornerLayer.Remove(foundAdorner);
foundAdorner.RemoveChildren();
// now get rid of reference from presentation context of annotation component to annotation adorner
AdornerPresentationContext p = component.PresentationContext as AdornerPresentationContext;
if (p != null)
{
p.ResetInternalAnnotationAdorner();
}
// finally get rid of reference from annotation component to presentation context
component.PresentationContext = null;
}
}
/// <summary>
/// Add an attached annotation to a component and add the component to the adorner layer
/// if the annotation component is not already in a presentation context.
/// </summary>
/// <param name="attachedAnnotation">the attachedAnnotation we are to add to the component</param>
/// <param name="component">the component we are to add to the adorner layer</param>
/// <param name="reorder">if true - the z-order must be reevaluated</param>
private void AddComponent(IAttachedAnnotation attachedAnnotation, IAnnotationComponent component, bool reorder)
{
UIElement annotatedElement = attachedAnnotation.Parent as UIElement; // casted from DependencyObject
Debug.Assert(annotatedElement != null, "the annotatedElement should inherit from UIElement");
// if annotation component is already in presentation context, nothing else to do
if (component.PresentationContext != null)
{
return;
}
// otherwise host in the appropriate adorner layer
AdornerLayer layer = AdornerLayer.GetAdornerLayer(annotatedElement); // note, GetAdornerLayer requires UIElement
if (layer == null)
{
if (PresentationSource.FromVisual(annotatedElement) == null)
{
// The annotated element is no longer part of the application tree.
// This probably means we are out of [....] - trying to add an annotation
// for an element that has already gone away. Bug # 1580288 tracks
// the need to figure this out.
return;
}
throw new InvalidOperationException(SR.Get(SRID.NoPresentationContextForGivenElement, annotatedElement));
}
// add to the attachedAnnotations
this.AddToAttachedAnnotations(attachedAnnotation, component);
// let the annotation component know about the attached annotation
// call add before adding to adorner layer so the component can be initialized
component.AddAttachedAnnotation(attachedAnnotation); // this might cause recursion in modify if annotation component adds to annotation
AdornerPresentationContext.HostComponent(layer, component, annotatedElement, reorder);
}
// Token: 0x06007CE0 RID: 31968 RVA: 0x00231F28 File Offset: 0x00230128
private void RegisterAnchor()
{
TextAnchor textAnchor = this._attachedAnnotation.AttachedAnchor as TextAnchor;
if (textAnchor == null)
{
throw new ArgumentException(SR.Get("InvalidAttachedAnchor"));
}
ITextContainer textContainer = textAnchor.Start.TextContainer;
this.HighlightAnchor.AddAttachedAnnotation(this._attachedAnnotation);
this.UpdateGeometry();
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(this.AnnotatedElement);
if (adornerLayer == null)
{
throw new InvalidOperationException(SR.Get("NoPresentationContextForGivenElement", new object[]
{
this.AnnotatedElement
}));
}
AdornerPresentationContext.HostComponent(adornerLayer, this, this.AnnotatedElement, false);
this._selection = textContainer.TextSelection;
if (this._selection != null)
{
this._uiParent = (PathNode.GetParent(textContainer.Parent) as UIElement);
this.RegisterComponent();
if (this._uiParent != null)
{
this._uiParent.GotKeyboardFocus += this.OnContainerGotFocus;
this._uiParent.LostKeyboardFocus += this.OnContainerLostFocus;
if (this.HighlightAnchor.IsSelected(this._selection))
{
this.SetSelected(true);
}
}
}
}
// Token: 0x06007C77 RID: 31863 RVA: 0x0023006C File Offset: 0x0022E26C
private List <AnnotationAdorner> GetTopAnnotationAdorners(int level, IAnnotationComponent component)
{
List <AnnotationAdorner> list = new List <AnnotationAdorner>();
int childrenCount = VisualTreeHelper.GetChildrenCount(this._adornerLayer);
if (childrenCount == 0)
{
return(list);
}
for (int i = 0; i < childrenCount; i++)
{
DependencyObject child = VisualTreeHelper.GetChild(this._adornerLayer, i);
AnnotationAdorner annotationAdorner = child as AnnotationAdorner;
if (annotationAdorner != null)
{
IAnnotationComponent annotationComponent = annotationAdorner.AnnotationComponent;
if (annotationComponent != component && AdornerPresentationContext.GetComponentLevel(annotationComponent) == level && annotationComponent.ZOrder >= component.ZOrder)
{
this.AddAdorner(list, annotationAdorner);
}
}
}
return(list);
}
// Token: 0x06007C6F RID: 31855 RVA: 0x0022FEEC File Offset: 0x0022E0EC
public override bool Equals(object o)
{
AdornerPresentationContext adornerPresentationContext = o as AdornerPresentationContext;
return(adornerPresentationContext != null && adornerPresentationContext._adornerLayer == this._adornerLayer);
}
