public RichTextBoxRangeElement Instantiate(IViewTextRange textRange, SceneViewModel viewModel, ITypeId targetType)
{
RichTextBoxRangeElement textBoxRangeElement = (RichTextBoxRangeElement)this.Instantiate(viewModel, targetType);
textBoxRangeElement.SetTextRange(textRange);
return(textBoxRangeElement);
}
public object GetTextValue(IViewTextRange textRange, PropertyReference propertyReference)
{
object textRangeValue = RichTextBoxRangeElement.GetTextRangeValue(textRange, propertyReference);
if (DependencyProperty.UnsetValue == textRangeValue)
{
return(MixedProperty.Mixed);
}
return(textRangeValue);
}
private static object GetUpdatedComplexProperty(IViewTextRange target, PropertyReference propertyReference, int index, object value, SceneNode.Modification modification)
{
ReferenceStep firstStep = propertyReference.FirstStep;
IProperty property = target.Platform.Metadata.ResolveProperty((IPropertyId)firstStep);
if (property != null && RichTextBoxRangeElement.IsComplexProperty((IPlatformMetadata)target.Platform.Metadata, property) && propertyReference.Count > 1)
{
PropertyReference subReference = RichTextBoxRangeElement.CreateSubReference(propertyReference);
object target1;
if (target.IsEmpty)
{
target1 = target.GetPropertyValue((IPropertyId)property);
}
else
{
IViewTextPointer viewTextPointer = target.Start;
if (!viewTextPointer.IsAtInsertionPosition)
{
viewTextPointer = viewTextPointer.GetNextInsertionPosition(LogicalDirection.Forward);
}
target1 = !RichTextBoxElement.IsParagraphProperty(propertyReference) ? viewTextPointer.Parent.GetValue(property) : viewTextPointer.Paragraph.GetValue(property);
}
Freezable freezable = target1 as Freezable;
if (freezable != null)
{
target1 = (object)freezable.Clone();
}
if (target1 != null)
{
switch (modification)
{
case SceneNode.Modification.SetValue:
target1 = subReference.SetValue(target1, value);
break;
case SceneNode.Modification.InsertValue:
subReference.Insert(target1, index, value);
break;
case SceneNode.Modification.RemoveValue:
subReference.RemoveAt(target1, index);
break;
default:
throw new InvalidEnumArgumentException("modification", (int)modification, typeof(SceneNode.Modification));
}
}
value = target1;
}
return(value);
}
private static object GetTextRangeValue(IViewTextRange textRange, PropertyReference propertyReference)
{
object target = (object)null;
ReferenceStep firstStep = propertyReference.FirstStep;
IProperty property = textRange.Platform.Metadata.ResolveProperty((IPropertyId)firstStep);
if (property != null)
{
target = textRange.GetPropertyValue((IPropertyId)property, true);
if (target == DependencyProperty.UnsetValue || propertyReference.Count <= 1)
{
return(target);
}
target = RichTextBoxRangeElement.CreateSubReference(propertyReference).GetValue(target);
}
return(target);
}
private void SetTextRange(IViewTextRange textRange)
{
this.textRange = textRange;
}
private void ModifyTextValue(IViewTextRange textRange, PropertyReference propertyReference, int index, object value, SceneNode.Modification modification)
{
if (value is Microsoft.Expression.DesignModel.DocumentModel.DocumentNode || value is MarkupExtension)
{
return;
}
PerformanceUtility.MeasurePerformanceUntilRender(PerformanceEvent.TextSetProperty);
value = RichTextBoxRangeElement.GetUpdatedComplexProperty(textRange, propertyReference, index, value, modification);
ReferenceStep firstStep = propertyReference.FirstStep;
IProperty property = textRange.Platform.Metadata.ResolveProperty((IPropertyId)firstStep);
if (property != null)
{
if (modification == SceneNode.Modification.ClearValue)
{
value = this.ViewModel.DefaultView.ConvertToWpfValue(this.ViewModel.DefaultView.ConvertFromWpfPropertyReference(propertyReference).LastStep.GetDefaultValue(typeof(object)));
}
if (property.Equals((object)RichTextBoxRangeElement.TextIndentPropertyId) && (double)value < 0.0)
{
value = (object)0.0;
}
textRange.ApplyPropertyValue((IPropertyId)property, value);
bool flag = RichTextBoxElement.IsParagraphProperty(propertyReference);
PropertyReference propertyReference1 = DesignTimeProperties.GetShadowPropertyReference(propertyReference, (ITypeId)this.Type);
if (propertyReference1 != null && !DesignTimeProperties.UseShadowPropertyForInstanceBuilding(this.ViewModel.Document.DocumentContext.TypeResolver, (IPropertyId)propertyReference1.FirstStep))
{
propertyReference1 = (PropertyReference)null;
}
if (modification == SceneNode.Modification.ClearValue && propertyReference1 == null)
{
propertyReference1 = propertyReference;
}
if (propertyReference1 != null)
{
IViewTextElement viewTextElement1 = (IViewTextElement)null;
if (textRange.Start.CompareTo(textRange.End) != 0 || textRange.Start.CompareTo(((IViewTextElement)textRange.Start.Parent).ContentStart) != 0 && textRange.Start.CompareTo(((IViewTextElement)textRange.Start.Parent).ContentEnd) != 0)
{
for (IViewTextPointer viewTextPointer = textRange.Start; viewTextPointer != null && viewTextPointer.CompareTo(textRange.End) <= 0; viewTextPointer = viewTextPointer.GetNextInsertionPosition(LogicalDirection.Forward))
{
IViewTextElement viewTextElement2 = viewTextPointer.Parent as IViewTextElement;
if (viewTextElement2 != null && (viewTextElement1 == null || viewTextElement1.PlatformSpecificObject != viewTextElement2.PlatformSpecificObject))
{
viewTextElement1 = viewTextElement2;
if (viewTextElement1 != null && (flag && viewTextElement1 is Paragraph || !flag && viewTextElement1 is Run))
{
if (modification == SceneNode.Modification.ClearValue)
{
propertyReference1.ClearValue((object)viewTextElement1);
}
else
{
propertyReference1.SetValue((object)viewTextElement1, value);
}
}
}
}
}
}
}
if (property.Equals((object)RichTextBoxRangeElement.ForegroundProperty) || property.Equals((object)RichTextBoxRangeElement.TextElementForegroundProperty))
{
TextBlockEditProxy textBlockEditProxy = this.TextEditProxy as TextBlockEditProxy;
if (textBlockEditProxy != null)
{
textBlockEditProxy.UpdateCaretBrush();
}
}
if (this.TextEditProxy == null)
{
return;
}
this.TextEditProxy.Serialize();
this.TextEditProxy.UpdateDocumentModel();
}
public void ClearTextValue(IViewTextRange textRange, PropertyReference propertyReference)
{
this.ModifyTextValue(textRange, propertyReference, -1, (object)null, SceneNode.Modification.ClearValue);
}
public void RemoveTextValueAt(IViewTextRange textRange, PropertyReference propertyReference, int index)
{
this.ModifyTextValue(textRange, propertyReference, index, (object)null, SceneNode.Modification.RemoveValue);
}
public void InsertTextValue(IViewTextRange textRange, PropertyReference propertyReference, int index, object value)
{
this.ModifyTextValue(textRange, propertyReference, index, value, SceneNode.Modification.InsertValue);
}
public void SetTextValue(IViewTextRange textRange, PropertyReference propertyReference, object value)
{
this.ModifyTextValue(textRange, propertyReference, -1, value, SceneNode.Modification.SetValue);
}
public PropertyState IsValueSetOnTextRange(IViewTextRange textRange, PropertyReference propertyReference)
{
return(RichTextBoxRangeElement.GetTextRangeValue(textRange, propertyReference) == null ? PropertyState.Unset : PropertyState.Set);
}
public override void Serialize()
{
IDocumentContext documentContext = this.TextSource.DocumentContext;
IPlatformTypes metadata = this.ProxyPlatform.Metadata;
DependencyPropertyReferenceStep propertyReferenceStep = DesignTimeProperties.ResolveDesignTimeReferenceStep(DesignTimeProperties.UpdateContextProperty, (IPlatformMetadata)metadata);
switch (this.SerializationType)
{
case RichTextSerializationType.FlowDocument:
this.richTextBox.SetValue(metadata.DefaultTypeResolver, (IProperty)propertyReferenceStep, (object)this.instanceDictionary);
this.flowDocumentNode = (DocumentCompositeNode)documentContext.CreateNode(typeof(FlowDocument), (object)(FlowDocument)this.richTextBox.Document.PlatformSpecificObject);
this.richTextBox.ClearValue((IProperty)propertyReferenceStep);
break;
case RichTextSerializationType.BlockCollection:
this.richTextBox.SetValue(metadata.DefaultTypeResolver, (IProperty)propertyReferenceStep, (object)this.instanceDictionary);
this.blockCollectionNode = documentContext.CreateNode(PlatformTypes.BlockCollection);
foreach (IViewBlock viewBlock in (IEnumerable <IViewBlock>) this.richTextBox.BlockContainer.Blocks)
{
IViewParagraph viewParagraph = viewBlock as IViewParagraph;
if (viewParagraph == null)
{
IViewTextRange textRange = this.ProxyPlatform.ViewTextObjectFactory.CreateTextRange(this.richTextBox.BlockContainer, viewBlock.ContentStart, viewBlock.ContentEnd);
viewParagraph = this.ProxyPlatform.ViewTextObjectFactory.CreateParagraph();
IViewRun run = this.ProxyPlatform.ViewTextObjectFactory.CreateRun();
run.Text = textRange.Text;
viewParagraph.Inlines.Add((IViewInline)run);
}
this.blockCollectionNode.Children.Add(this.PostProcessDocumentNodeFromEditProxy(this.TextSource.ViewModel.DefaultView.ConvertFromWpfValueAsDocumentNode(viewParagraph.PlatformSpecificObject)));
}
this.richTextBox.ClearValue((IProperty)propertyReferenceStep);
break;
case RichTextSerializationType.InlineCollection:
this.inlinesCollectionNode = documentContext.CreateNode(PlatformTypes.InlineCollection);
using (IEnumerator <IViewBlock> enumerator = this.richTextBox.Document.Blocks.GetEnumerator())
{
while (enumerator.MoveNext())
{
IViewBlock current = enumerator.Current;
IViewParagraph viewParagraph = current as IViewParagraph;
if (viewParagraph != null)
{
this.ProcessInlinesForSerialization(viewParagraph.Inlines);
if (current.PlatformSpecificObject != ((FlowDocument)this.richTextBox.Document.PlatformSpecificObject).Blocks.LastBlock)
{
this.inlinesCollectionNode.Children.Add(this.TextSource.ViewModel.DefaultView.ConvertFromWpfValueAsDocumentNode((object)new LineBreak()));
}
}
else
{
Microsoft.Expression.DesignModel.DocumentModel.DocumentNode documentNode = this.TextSource.ViewModel.DefaultView.ConvertFromWpfValueAsDocumentNode((object)new Run(new TextRange(((TextElement)current.PlatformSpecificObject).ContentStart, ((TextElement)current.PlatformSpecificObject).ContentEnd).Text));
if (documentNode != null)
{
this.inlinesCollectionNode.Children.Add(documentNode);
}
}
}
break;
}
}
}
