unsafe public object Convert(object value, Type targetType, object parameter, string language)
{
if (value is MarkdownData)
{
var markdownData = value as MarkdownData;
try
{
var categoryVisitor = new SnuDomCategoryVisitor();
((IDomObject)markdownData.MarkdownDom).Accept(categoryVisitor);
switch (categoryVisitor.Category)
{
case MarkdownCategory.PlainText:
{
var visitor = new SnuDomPlainTextVisitor();
((IDomObject)markdownData.MarkdownDom).Accept(visitor);
return MakePlain(visitor.Result);
}
case MarkdownCategory.Formatted:
case MarkdownCategory.Full:
{
var visitor = new SnuDomFullUIVisitor(new SolidColorBrush(Colors.White));
((IDomObject)markdownData.MarkdownDom).Accept(visitor);
if (visitor.ResultGroup != null)
return visitor.ResultGroup;
else
return visitor.Result;
}
default:
return new TextBlock { Text = "" };
}
}
catch (Exception ex)
{
return MakePlain(ex.ToString());
}
}
else
return new TextBlock { Text = "" };
}
private IEnumerable<UIElement> BuildChildUIList(IEnumerable<IDomObject> objects)
{
List<UIElement> results = new List<UIElement>();
foreach (var item in objects)
{
SnuDomCategoryVisitor categoryVisitor = new SnuDomCategoryVisitor();
item.Accept(categoryVisitor);
var column = item as TableColumn;
if (categoryVisitor.Category == MarkdownCategory.PlainText)
{
var plainTextVisitor = new SnuDomPlainTextVisitor();
//this might be a pp
if (column != null)
{
foreach (var contents in column.Contents)
{
contents.Accept(plainTextVisitor);
}
}
else if (item is SnuDom.Paragraph)
{
item.Accept(plainTextVisitor);
}
results.Add(new TextBlock { Text = plainTextVisitor.Result });
}
else
{
var fullUIVisitor = new SnuDomFullUIVisitor(_forgroundBrush);
item.Accept(fullUIVisitor);
results.Add(fullUIVisitor.Result);
}
if (column != null)
{
switch (column.Alignment)
{
case ColumnAlignment.Center:
results.Last().SetValue(FrameworkElement.HorizontalAlignmentProperty, HorizontalAlignment.Center);
break;
case ColumnAlignment.Left:
results.Last().SetValue(FrameworkElement.HorizontalAlignmentProperty, HorizontalAlignment.Left);
break;
case ColumnAlignment.Right:
results.Last().SetValue(FrameworkElement.HorizontalAlignmentProperty, HorizontalAlignment.Right);
break;
}
}
}
return results;
}
public void Visit(Quote code)
{
var inlineContainer = new InlineUIContainer();
SnuDomCategoryVisitor categoryVisitor = new SnuDomCategoryVisitor();
foreach (var item in code)
{
item.Accept(categoryVisitor);
}
if (categoryVisitor.Category == MarkdownCategory.PlainText && code.Count() == 1)
{
var plainTextVisitor = new SnuDomPlainTextVisitor();
foreach (var item in code)
item.Accept(plainTextVisitor);
inlineContainer.Child = new MarkdownQuote(plainTextVisitor.Result);
}
else
{
var fullUIVisitor = new SnuDomFullUIVisitor(_forgroundBrush);
//cant be null in this category
foreach (var item in code)
item.Accept(fullUIVisitor);
inlineContainer.Child = new MarkdownQuote(fullUIVisitor.Result);
}
if (_currentParagraph == null)
{
MaybeSplitForParagraph();
}
else
{
_currentParagraph.Inlines.Add(new Windows.UI.Xaml.Documents.LineBreak());
}
_currentParagraph.Inlines.Add(inlineContainer);
_currentParagraph.Inlines.Add(new Windows.UI.Xaml.Documents.LineBreak());
}
public void Visit(Link link)
{
var inlineContainer = new InlineUIContainer();
SnuDomCategoryVisitor categoryVisitor = new SnuDomCategoryVisitor();
if (link.Display != null)
{
foreach (var item in link.Display)
{
item.Accept(categoryVisitor);
}
}
if (categoryVisitor.Category == MarkdownCategory.PlainText)
{
var plainTextVisitor = new SnuDomPlainTextVisitor();
if (link.Display != null)
{
foreach (var item in link.Display)
item.Accept(plainTextVisitor);
}
else
plainTextVisitor.Result = link.Url;
inlineContainer.Child = new MarkdownLink(link.Url, plainTextVisitor.Result);
}
else
{
var fullUIVisitor = new SnuDomFullUIVisitor(_forgroundBrush);
//cant be null in this category
foreach (var item in link.Display)
item.Accept(fullUIVisitor);
inlineContainer.Child = new MarkdownLink(link.Url, fullUIVisitor.Result);
}
_currentParagraph.Inlines.Add(inlineContainer);
}
