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(),@"<a href=""page1"">1</a><a class=""selected"" href=""page2"">2</a><a href=""page3"">3</a>");
}
public static MvcHtmlString PageLinks(this HtmlHelper html,
PagingInfo pagingInfo, Func<int, string> pageUrl)
{
StringBuilder result = new StringBuilder();
for (int i = 1; i <= pagingInfo.TotalPages; i++)
{
TagBuilder tag = new TagBuilder("a");
tag.MergeAttribute("href", pageUrl(i));
tag.InnerHtml = i.ToString();
if (i == pagingInfo.CurrentPage)
{
tag.AddCssClass("selected");
}
result.Append(tag.ToString());
}
return MvcHtmlString.Create(result.ToString());
}
