public virtual void AddInlineTextChild(DocumentNode child)
{
ITextFlowSceneNode textFlowSceneNode = this.HostElement as ITextFlowSceneNode;
if (textFlowSceneNode == null)
{
return;
}
textFlowSceneNode.AddInlineTextChild(child);
}
public virtual void InsertInlineTextChild(int index, DocumentNode child)
{
ITextFlowSceneNode textFlowSceneNode = this.HostElement as ITextFlowSceneNode;
if (textFlowSceneNode == null)
{
return;
}
textFlowSceneNode.InsertInlineTextChild(index, child);
}
public IViewTextPointer GetPositionFromPoint(Point point)
{
ITextFlowSceneNode textFlowSceneNode = this.HostElement as ITextFlowSceneNode;
if (textFlowSceneNode != null)
{
return(textFlowSceneNode.GetPositionFromPoint(point));
}
return(this.ContentEnd);
}
protected override void AdjustIndexAfterRemovingFromSceneView()
{
ITextFlowSceneNode textFlowSceneNode = this.InsertionPoint.Element as ITextFlowSceneNode;
if (textFlowSceneNode != null && textFlowSceneNode.ContentStart != null && (this.insertionPositionToAdjust != null && this.insertionPositionToAdjust.IsInSameDocument(textFlowSceneNode.ContentStart)))
{
this.InsertionPoint.Index = textFlowSceneNode.ContentStart.GetOffsetToPosition(this.insertionPositionToAdjust);
}
this.insertionPositionToAdjust = (IViewTextPointer)null;
}
protected override void AdjustIndexBeforeRemovingFromSceneView()
{
ITextFlowSceneNode textFlowSceneNode = this.InsertionPoint.Element as ITextFlowSceneNode;
if (textFlowSceneNode == null || textFlowSceneNode.ContentStart == null)
{
return;
}
this.insertionPositionToAdjust = textFlowSceneNode.ContentStart.GetPositionAtOffset(this.InsertionPoint.Index);
}
protected override IPropertyId GetInsertionPointChildProperty()
{
IPropertyId propertyId = (IPropertyId)null;
ITextFlowSceneNode textFlowSceneNode = this.InsertionPoint.Element as ITextFlowSceneNode;
if (textFlowSceneNode != null)
{
propertyId = textFlowSceneNode.TextChildProperty;
}
return(propertyId);
}
private IViewTextPointer GetTextPointerFromIndex(int insertionIndex, bool isCursorAtEnd)
{
if (!this.Element.IsViewObjectValid)
{
return((IViewTextPointer)null);
}
ITextFlowSceneNode textFlowSceneNode = this.Element as ITextFlowSceneNode;
if (textFlowSceneNode == null)
{
return((IViewTextPointer)null);
}
if (isCursorAtEnd)
{
return(textFlowSceneNode.ContentEnd.GetInsertionPosition(LogicalDirection.Backward));
}
return(textFlowSceneNode.ContentStart.GetPositionAtOffset(insertionIndex, LogicalDirection.Forward));
}
protected override void UpdateInsertionPoint()
{
this.ClearAdorner();
this.InsertionPoint.Element = this.LayoutContainer;
ITextFlowSceneNode textFlowSceneNode = this.InsertionPoint.Element as ITextFlowSceneNode;
Point mousePosition = this.InsertionPoint.Element.ViewModel.DefaultView.GetMousePosition(this.Pointer, MoveStrategy.GetContainerHost((SceneElement)this.InsertionPoint.Element));
IViewTextPointer positionFromPoint = textFlowSceneNode.GetPositionFromPoint(mousePosition);
IViewTextPointer position = positionFromPoint != null?positionFromPoint.GetInsertionPosition(LogicalDirection.Forward) : textFlowSceneNode.ContentEnd.GetNextInsertionPosition(LogicalDirection.Backward);
this.InsertionPoint.IsCursorAtEnd = false;
if (textFlowSceneNode.ContentStart == null)
{
this.InsertionPoint.IsCursorAtEnd = true;
}
else
{
this.InsertionPoint.Index = textFlowSceneNode.ContentStart.GetOffsetToPosition(position);
this.AdornerSet = (AdornerSet) new TextFlowInsertionPointAdornerSet(this.ToolContext, this.LayoutContainer, (TextFlowInsertionPoint)this.InsertionPoint);
this.ActiveView.AdornerLayer.Add((IAdornerSet)this.AdornerSet);
}
}
public override void Instantiate()
{
base.Instantiate();
this.CopyProperty(RichTextBoxElement.VerticalScrollBarVisibilityProperty);
this.CopyProperty(RichTextBoxElement.HorizontalScrollBarVisibilityProperty);
this.CopyProperty(RichTextBoxRangeElement.TextBlockTextAlignmentPropertyId);
if (this.TextSource.ProjectContext.ResolveProperty(RichTextBoxElement.CaretBrushProperty) != null)
{
this.CopyProperty(RichTextBoxElement.CaretBrushProperty);
}
ITextFlowSceneNode textFlowSceneNode = (ITextFlowSceneNode)this.TextSource;
DocumentNodePath documentNodePath = this.TextSource.DocumentNodePath;
SceneViewModel viewModel = this.TextSource.ViewModel;
IDocumentContext documentContext = viewModel.Document.DocumentContext;
IProjectContext projectContext = viewModel.Document.ProjectContext;
using (InstanceBuilderContext instanceBuilderContext = new InstanceBuilderContext(projectContext, viewModel, true, (Microsoft.Expression.DesignModel.DocumentModel.DocumentNode)null))
{
using (instanceBuilderContext.DisablePostponedResourceEvaluation())
{
instanceBuilderContext.ViewNodeManager.RootNodePath = documentNodePath;
instanceBuilderContext.ViewNodeManager.Instantiate(instanceBuilderContext.ViewNodeManager.Root);
}
this.UpdateUIChildrenInstances((IInstanceBuilderContext)instanceBuilderContext);
ReferenceStep referenceStep = (ReferenceStep)projectContext.ResolveProperty(textFlowSceneNode.TextChildProperty);
bool flag1 = false;
bool flag2 = false;
bool flag3 = false;
FlowDocument flowDocument = (FlowDocument)referenceStep.GetCurrentValue(instanceBuilderContext.ViewNodeManager.Root.Instance);
DependencyPropertyReferenceStep shadowProperty = DesignTimeProperties.GetShadowProperty(projectContext.ResolveProperty(TextElementSceneElement.FontFamilyProperty), (ITypeId)null);
if (flowDocument == null)
{
flowDocument = new FlowDocument();
}
else
{
flag1 = ((ReferenceStep)projectContext.ResolveProperty(TextElementSceneElement.FontSizeProperty)).IsSet((object)flowDocument);
flag2 = ((ReferenceStep)projectContext.ResolveProperty(ParagraphElement.TextAlignmentProperty)).IsSet((object)flowDocument);
flag3 = shadowProperty.IsSet((object)flowDocument);
}
double fontSize = flowDocument.FontSize;
FontFamily fontFamily = (FontFamily)shadowProperty.GetValue((object)flowDocument);
Thickness pagePadding = flowDocument.PagePadding;
TextAlignment textAlignment = flowDocument.TextAlignment;
referenceStep.SetValue(instanceBuilderContext.ViewNodeManager.Root.Instance, (object)new FlowDocument());
this.RichTextBox.Document = (IViewFlowDocument)this.TextSource.Platform.ViewObjectFactory.Instantiate((object)flowDocument);
if (flag1)
{
flowDocument.FontSize = fontSize;
}
if (flag3)
{
if (!DesignTimeProperties.UseShadowPropertyForInstanceBuilding(this.TypeResolver, ControlElement.FontFamilyProperty))
{
flowDocument.FontFamily = fontFamily;
}
else
{
shadowProperty.SetValue((object)flowDocument, (object)fontFamily);
}
}
if (flag2)
{
flowDocument.TextAlignment = textAlignment;
}
flowDocument.PagePadding = pagePadding;
}
}