public static MvcHtmlString PagedListPagerWithSize(this System.Web.Mvc.HtmlHelper helper,
IPagedList pagedList,
Func <int, string> generatePageUrl,
Func <int, string> generateSizeUrl,
PagedListRenderOptions pageNumberOptions = null,
PagedListSizeRenderOptions pageSizeOptions = null)
{
if (pageNumberOptions == null)
{
pageNumberOptions = new PagedListRenderOptions();
}
if (pageSizeOptions == null)
{
pageSizeOptions = new PagedListSizeRenderOptions();
}
var pagedListPart = helper.PagedListPager(pagedList, generatePageUrl, pageNumberOptions);
var pagedSizeListPart = GeneratePageSizeList(pagedList, generateSizeUrl, pageSizeOptions);
var outerWrapper = new TagBuilder("div");
outerWrapper.InnerHtml = pagedListPart.ToString() + pagedSizeListPart;
return(new MvcHtmlString(outerWrapper.ToString()));
}
private static string GenerateSizeItems(IPagedList pagedList, Func <int, string> generateSizeUrl, PagedListSizeRenderOptions options)
{
var itemList = new List <TagBuilder>();
foreach (var size in options.AllSizes)
{
//look like:
// <a href="http://sampleurl.com">10</a>
var a = new TagBuilder("a");
a.Attributes["href"] = generateSizeUrl(size);
a.SetInnerText(size.ToString());
//will looks like
// <li class="active"><a href="http://sampleurl.com">10</a></li>
var li = new TagBuilder("li");
li.InnerHtml = a.ToString();
if (pagedList.PageSize == size)
{
li.AddCssClass("active");
}
itemList.Add(li);
}
string result = itemList.Select(r => r.ToString()).Aggregate((left, right) => left + right);
return(result);
}
private static string GeneratePageSizeList(IPagedList pagedList, Func <int, string> generateSizeUrl, PagedListSizeRenderOptions options)
{
if (pagedList.TotalItemCount <= 0)
{
return(string.Empty);
}
//header part, will looks like:
// <div class="pagesize-header">Page Size :</div>
var header = new TagBuilder("div");
header.AddCssClass("pagesize-header");
header.SetInnerText(options.HeaderText);
//paged size list part, will looks like:
// <ul class="pagination">
// <li class="active"><a href="http://url.com?size=10">10</a></li>
// <li class="active"><a href="http://url.com?size=25">14</a></li>
// </ul>
var itemWrapper = new TagBuilder("ul");
itemWrapper.AddCssClass("pagination");
itemWrapper.InnerHtml = GenerateSizeItems(pagedList, generateSizeUrl, options);
//a <div> tage to wrap heaser and size list
var container = new TagBuilder("div");
container.AddCssClass("pagesize-container");
container.InnerHtml = header.ToString() + itemWrapper.ToString();
return(container.ToString());
}
