public static IHtmlContent Pager(this IHtmlHelper htmlHelper, IPagedList pagedList, PagerOptions pagerOptions)
{
var tagBuilder = new TagBuilder(pagerOptions.TagName);
tagBuilder.MergeAttribute("id", pagerOptions.Id);
tagBuilder.AddCssClass(pagerOptions.CssClass);
if (!pagerOptions.NoPageHide || pagedList.MaxPageIndex != 1)
{
IUrlHelper urlHelper = new UrlHelperFactory().GetUrlHelper(htmlHelper.ViewContext);
var dictionary = new Dictionary <String, object>();
foreach (var keypair in htmlHelper.ViewContext.HttpContext.Request.Query)
{
dictionary.Add(keypair.Key, keypair.Value);
}
if (dictionary.ContainsKey(pagerOptions.PageIndexParameterName))
{
dictionary[pagerOptions.PageIndexParameterName] = 1;
}
else
{
dictionary.Add(pagerOptions.PageIndexParameterName, (int)1);
}
if (pagedList.CurrentPageIndex > 1)
{
var itemPageUrl = urlHelper.Link(pagerOptions.RouteName, dictionary);
AddPageItem(tagBuilder, Constants.DEFAULT_PAGE_TEXT_TEMPLATE, itemPageUrl, pagerOptions.FirstText);
}
int num = pagedList.CurrentPageIndex - 1;
if (num > 1)
{
dictionary[pagerOptions.PageIndexParameterName] = num;
AddPageItem(tagBuilder, Constants.DEFAULT_PAGE_TEXT_TEMPLATE, urlHelper.Link(pagerOptions.RouteName, dictionary), pagerOptions.PreText);
}
int minPageIndex = pagedList.CurrentPageIndex - Constants.PADDING_PAGE_NUM;
if (minPageIndex < 1)
{
minPageIndex = 1;
}
int maxPageIndex = pagedList.CurrentPageIndex + 4;
if (maxPageIndex > pagedList.MaxPageIndex)
{
maxPageIndex = pagedList.MaxPageIndex;
}
for (int i = minPageIndex; i <= maxPageIndex; i++)
{
var itemTemplate = pagerOptions.ItemTemplate;
if (i == pagedList.CurrentPageIndex)
{
itemTemplate = pagerOptions.CurrentTemplate;
}
dictionary[pagerOptions.PageIndexParameterName] = i;
AddPageItem(tagBuilder, itemTemplate, urlHelper.Link(pagerOptions.RouteName, dictionary), i);
}
int next = pagedList.CurrentPageIndex + 1;
if (next < pagedList.MaxPageIndex)
{
dictionary[pagerOptions.PageIndexParameterName] = next;
AddPageItem(tagBuilder, Constants.DEFAULT_PAGE_TEXT_TEMPLATE, urlHelper.Link(pagerOptions.RouteName, dictionary), pagerOptions.NextText);
}
if (pagedList.CurrentPageIndex < pagedList.MaxPageIndex)
{
dictionary[pagerOptions.PageIndexParameterName] = pagedList.MaxPageIndex;
AddPageItem(tagBuilder, Constants.DEFAULT_PAGE_TEXT_TEMPLATE, urlHelper.Link(pagerOptions.RouteName, dictionary), pagerOptions.LastText);
}
}
return(tagBuilder);
}