public static MvcHtmlString Pager(this HtmlHelper htmlHelper, IPagedEnumerable list, int maximumNumericLinks, string pagerPreviousClass, string pagerNextClass, string pagerDisabledClass, string pagingNumberClass, string pagingNumberCurrentClass)
{
if (maximumNumericLinks % 2 != 1)
throw new ArgumentException("Value must be an odd number.", "maximumNumericLinks");
var url = new UrlHelper(htmlHelper.ViewContext.RequestContext);
#region Previous Link
var prev = new TagBuilder("div");
prev.AddCssClass("pagerPreviousHolder");
var prevLink = new TagBuilder("a");
prevLink.SetInnerText("<< Prev");
if (list.Page > 1)
prevLink.MergeAttribute("href", url.StateUrl(new { page = list.Page - 1 }));
else
prevLink.AddCssClass(pagerDisabledClass);
prevLink.AddCssClass(pagerPreviousClass);
prev.InnerHtml = prevLink.ToString(TagRenderMode.Normal);
#endregion
#region Numeric Links
var numerics = new TagBuilder("div");
numerics.AddCssClass("pagerNumberHolder");
if (list.TotalPages > 0)
{
int pagingStartNumber = -1;
int pagingEndNumber = -1;
if ((list.TotalPages >= maximumNumericLinks) && (list.Page > (int)Math.Ceiling((double)maximumNumericLinks / 2D)))
pagingStartNumber = list.Page - (int)Math.Floor((double)maximumNumericLinks / 2D);
else
pagingStartNumber = 1;
if (list.TotalPages >= (pagingStartNumber + maximumNumericLinks))
pagingEndNumber = pagingStartNumber + (maximumNumericLinks - 1);
else
{
if (list.TotalPages >= maximumNumericLinks)
pagingStartNumber = list.TotalPages - (maximumNumericLinks - 1);
pagingEndNumber = list.TotalPages;
}
//for (int i = pagingStartNumber; i <= pagingEndNumber; i++)
for (int i = pagingEndNumber; i >= pagingStartNumber; i--)
{
var numberTag = new TagBuilder("a");
numberTag.SetInnerText(i.ToString());
if (i == list.Page)
numberTag.AddCssClass(pagingNumberCurrentClass);
else
numberTag.MergeAttribute("href", url.StateUrl(new { page = i }));
numberTag.AddCssClass(pagingNumberClass);
numerics.InnerHtml = numerics.InnerHtml + numberTag.ToString();
}
}
else
{
//numerics.InnerHtml = " "; // Stops div colapsing
}
#endregion
#region Next Link
var next = new TagBuilder("div");
next.AddCssClass("pagerNextHolder");
var nextLink = new TagBuilder("a");
nextLink.SetInnerText("Next >>");
if (list.Page < list.TotalPages)
nextLink.MergeAttribute("href", url.StateUrl(new { page = list.Page + 1 }));
else
nextLink.AddCssClass(pagerDisabledClass);
nextLink.AddCssClass(pagerNextClass);
next.InnerHtml = nextLink.ToString();
#endregion
return MvcHtmlString.Create(string.Format("<div class=\"pagerHolder\">{0}{3}{0}{2}{0}{1}</div>", Environment.NewLine, prev, numerics, next));
}
