/// <summary>
/// Gets a <see cref="RichTextBlock"/> from given <see cref="UIElementCollection"/> or creates and adds one.
/// </summary>
/// <param name="elements">The <see cref="UIElementCollection"/> collection to add <see cref="RichTextBlock"/> to.</param>
/// <returns>The last <see cref="RichTextBlock"/> of the collection.</returns>
protected RichTextBlock GetOrCreateLastRichTextBlock(UIElementCollection elements)
{
if (elements.LastOrDefault() is RichTextBlock textBlock)
{
return(textBlock);
}
textBlock = new RichTextBlock();
elements.Add(textBlock);
return(textBlock);
}
/// <summary>
/// Loops through children of an <see cref="INode"/> and appends as <see cref="UIElement"/> to given <see cref="UIElementCollection"/>.
/// </summary>
/// <param name="node">The parent <see cref="INode"/>.</param>
/// <param name="elements">The <see cref="UIElementCollection"/> collection to add elements to.</param>
protected void AddChildren(INode node, UIElementCollection elements)
{
foreach (var child in node.ChildNodes)
{
var element = GenerateUIElementForNode(child, elements);
if (elements.LastOrDefault() != element)
{
elements.Add(element);
}
}
}