public object Convert(object value, Type targetType, object parameter, string language)
{
bool negate = false;
if (null != parameter)
{
bool.TryParse(parameter.ToString(), out negate);
}
bool result = false;
RichTextBlock richBlock = new StoryTeller.Converter.StringToRtf().Convert(value.ToString(), null, null, null) as RichTextBlock;
if (null != richBlock)
{
foreach (Block block in richBlock.Blocks)
{
Paragraph p = block as Paragraph;
if (null != p)
{
foreach (Inline inline in p.Inlines)
{
Run run;
if (ImageInline.IsImageInline(inline))
{
continue;
}
else if (null != (run = inline as Run))
{
if (!string.IsNullOrWhiteSpace(run.Text))
{
result = true;
}
}
}
}
}
}
if (!negate)
{
return (result) ? Visibility.Visible : Visibility.Collapsed;
}
else
{
return (result) ? Visibility.Collapsed : Visibility.Visible;
}
}
public object Convert(object value, Type targetType, object parameter, string language)
{
ImageSource result = null;
string content = value as string;
if (null != content)
{
RichTextBlock richBlock = new StoryTeller.Converter.StringToRtf().Convert(content, null, null, null) as RichTextBlock;
if (null != richBlock)
{
foreach (Block block in richBlock.Blocks)
{
Paragraph p = block as Paragraph;
if (null != p)
{
foreach (Inline inline in p.Inlines)
{
if (ImageInline.IsImageInline(inline))
{
InlineUIContainer container = inline as InlineUIContainer;
Image imageChild = null;
if (null == container)
{
}
else if (null == (imageChild = container.Child as Image))
{
}
else
{
result = imageChild.Source;
break;
}
}
}
}
}
}
}
return result;
}
