private static bool AddExternalLink(
DocumentDefBuilder docBuilder,
Uri externalLinkUrl,
StringBuilder externalLinkDescription)
{
Contract.Requires(docBuilder != null);
Contract.Requires(externalLinkUrl != null);
string description = null;
if (externalLinkDescription != null)
{
description = externalLinkDescription.ToString().Trim();
if (description.Length == 0)
{
description = null;
}
}
ExternalLinkElement linkEl = new ExternalLinkElement(externalLinkUrl, description);
docBuilder.AddToParagraph(linkEl);
return(true);
}
private void ProcessParagraphContents(ParagraphElement paragraphEl)
{
Contract.Requires(paragraphEl != null);
foreach (IDocumentElement el in paragraphEl.Children)
{
TextElement textEl = el as TextElement;
InternalLinkElement internalLinkEl = el as InternalLinkElement;
ExternalLinkElement externalLinkEl = el as ExternalLinkElement;
if (textEl != null)
{
ProcessTextElement(textEl);
}
else if (internalLinkEl != null)
{
ProcessInternalLinkElement(internalLinkEl);
}
else if (externalLinkEl != null)
{
ProcessExternalLinkElement(externalLinkEl);
}
else
{
throw new NotImplementedException("todo next:");
}
}
}
protected override void OnExternalLinkElement(ExternalLinkElement linkEl)
{
writer.AddAttribute(HtmlTextWriterAttribute.Href, linkEl.Url.ToString());
writer.RenderBeginTag(HtmlTextWriterTag.A);
if (linkEl.LinkDescription != null)
{
writer.WriteEncodedText(linkEl.LinkDescription);
}
else
{
writer.Write(linkEl.Url);
}
writer.RenderEndTag();
}
private void ProcessExternalLinkElement(ExternalLinkElement linkEl)
{
Contract.Requires(linkEl != null);
OnExternalLinkElement(linkEl);
}
protected virtual void OnExternalLinkElement(ExternalLinkElement linkEl)
{
Contract.Requires(linkEl != null);
}
