public override void ApplyPropertyChange(DocumentNodeChange change)
{
base.ApplyPropertyChange(change);
if (!RichTextBoxRangeElement.ShouldClearPropertyOnTextRuns((SceneNode)this.TextSource, new PropertyReference((ReferenceStep)change.PropertyKey)))
{
return;
}
this.ClearTextProperty(change.PropertyKey);
}
private bool IsRichTextBoxRange(SceneNodeObjectSet sceneNodeObjectSet)
{
if (sceneNodeObjectSet.IsMultiSelection || sceneNodeObjectSet.Count != 1)
{
return(true);
}
RichTextBoxRangeElement textBoxRangeElement = sceneNodeObjectSet.Objects[0] as RichTextBoxRangeElement;
if (textBoxRangeElement == null)
{
return(false);
}
return(PlatformTypes.RichTextBox.IsAssignableFrom((ITypeId)textBoxRangeElement.TextEditProxy.TextSource.Type));
}
public override bool IsTextChange(DocumentNodeChange change)
{
if (base.IsTextChange(change))
{
return(true);
}
if (change.PropertyKey != null)
{
ReferenceStep singleStep = this.ResolveProperty((IPropertyId)change.PropertyKey) as ReferenceStep;
if (singleStep != null)
{
return(RichTextBoxRangeElement.IsTextProperty((SceneNode)this.TextSource, new PropertyReference(singleStep)));
}
}
return(false);
}
internal override object GetTextValueAtPoint(Point point, bool snapToText, PropertyReference propertyReference)
{
IViewTextPointer positionFromPoint = this.RichTextBox.GetPositionFromPoint(point);
PropertyReference propertyReference1 = this.DesignerContext.PropertyManager.FilterProperty((ITypeResolver)this.ProjectContext, positionFromPoint.Parent.GetIType((ITypeResolver)this.ProjectContext), propertyReference);
if (propertyReference1 == null)
{
return(this.GetComputedValue(propertyReference));
}
object textPointerValue = RichTextBoxRangeElement.GetTextPointerValue(positionFromPoint, propertyReference1);
if (DependencyProperty.UnsetValue == textPointerValue)
{
return(MixedProperty.Mixed);
}
return(textPointerValue);
}
private void ClearPropertyOnTextRuns(PropertyReference propertyReference)
{
if (!RichTextBoxRangeElement.ShouldClearPropertyOnTextRuns((SceneNode)this, propertyReference))
{
return;
}
propertyReference = propertyReference.Subreference(0, 0);
foreach (SceneNode sceneNode in SceneElementHelper.GetElementTree((SceneElement)this))
{
TextElementSceneElement elementSceneElement = sceneNode as TextElementSceneElement;
if (elementSceneElement != null)
{
PropertyReference propertyReference1 = this.DesignerContext.PropertyManager.FilterProperty((SceneNode)elementSceneElement, propertyReference);
if (propertyReference1 != null)
{
elementSceneElement.ClearValue(propertyReference1);
}
}
}
}
