public void Can_Generate_Page_Links()
{
HtmlHelper helper = null;
PagingInfo pagingInfo = new PagingInfo {
CurrentPage = 2,
TotalItems = 28,
ItemsPerPage = 10
};
Func<int, string> pageUrlDelegate = i => "Page" + i;
MvcHtmlString result = helper.PageLinks(pagingInfo, pageUrlDelegate);
Assert.AreEqual(result.ToString(), @"<li><a href=""Page1"">1</a></li>"
+ @"<li><a class=""selected"" href=""Page2"">2</a></li>"
+ @"<li><a href=""Page3"">3</a></li>");
}
public static MvcHtmlString PageLinks(this HtmlHelper html, PagingInfo pagingInfo, Func<int, string> pageUrl) {
StringBuilder builder = new StringBuilder();
for (int i = 1; i <= pagingInfo.TotalPages; i++)
{
TagBuilder liTag = new TagBuilder("li");
TagBuilder tag = new TagBuilder("a");
tag.MergeAttribute("href", pageUrl(i));
tag.InnerHtml = i.ToString();
if (i == pagingInfo.CurrentPage)
{
tag.AddCssClass("selected");
}
liTag.InnerHtml = tag.ToString();
builder.Append(liTag.ToString());
}
return MvcHtmlString.Create(builder.ToString());
}