public TopRightTopicNavigationTag(TopicNode node)
: base("ul")
{
AddClass("nav");
Style("float", "right");
var previous = node.FindPrevious();
if (previous != null)
{
Add("li/a")
.Attr("href", previous.Url)
.Text("Previous")
.Attr("title", previous.Title);
}
var next = node.FindNext();
if (next != null)
{
Add("li/a")
.Attr("href", next.Url)
.Text("Next")
.Attr("title", next.Title);
}
var index = node.FindIndex();
if (index != null && !ReferenceEquals(node, index))
{
Add("li/a")
.Attr("href", index.Url)
.Text("Index")
.Attr("title", index.Title);
}
}
public void find_previous_with_no_parent_or_sibling()
{
a.FindPrevious().ShouldBeNull();
a.AppendChild(b);
a.FindPrevious().ShouldBeNull();
}
public void find_previous_with_sibling()
{
a.InsertAfter(b);
b.FindPrevious().ShouldEqual(a);
}
