PagingExtensions.cs :  » Content-Management-Systems-CMS » Kooboo » Everest » Library » Mvc » Paging » C# / CSharp Open Source

/*
Kooboo is a content management system based on ASP.NET MVC framework. Copyright 2009 Yardi Technology Limited.

This program is free software: you can redistribute it and/or modify it under the terms of the
GNU General Public License version 3 as published by the Free Software Foundation.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program.
If not, see http://www.kooboo.com/gpl3/.
*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web.Mvc;
using System.Web.Routing;
namespace Everest.Library.Mvc.Paging{
    public static class PagingExtensions
    {
        #region HtmlHelper extensions

        public static string Pager(this HtmlHelper htmlHelper, int pageSize, int currentPage, int totalItemCount)
        {
            return Pager(htmlHelper, pageSize, currentPage, totalItemCount, null, null);
        }

        public static string Pager(this HtmlHelper htmlHelper, int pageSize, int currentPage, int totalItemCount, string actionName)
        {
            return Pager(htmlHelper, pageSize, currentPage, totalItemCount, actionName, null);
        }

        public static string Pager(this HtmlHelper htmlHelper, int pageSize, int currentPage, int totalItemCount, object values)
        {
            return Pager(htmlHelper, pageSize, currentPage, totalItemCount, null, new RouteValueDictionary(values));
        }

        public static string Pager(this HtmlHelper htmlHelper, int pageSize, int currentPage, int totalItemCount, string actionName, object values)
        {
            return Pager(htmlHelper, pageSize, currentPage, totalItemCount, actionName, new RouteValueDictionary(values));
        }

        public static string Pager(this HtmlHelper htmlHelper, int pageSize, int currentPage, int totalItemCount, RouteValueDictionary valuesDictionary)
        {
            return Pager(htmlHelper, pageSize, currentPage, totalItemCount, null, valuesDictionary);
        }

        public static string Pager(this HtmlHelper htmlHelper, int pageSize, int currentPage, int totalItemCount, string actionName, RouteValueDictionary valuesDictionary)
        {
            if (valuesDictionary == null)
            {
                valuesDictionary = new RouteValueDictionary();
            }

            if (actionName != null)
            {
                if (valuesDictionary.ContainsKey("action"))
                {
                    throw new ArgumentException("The valuesDictionary already contains an action.", "actionName");
                }
                valuesDictionary.Add("action", actionName);
            }
            var pager = new Pager(htmlHelper.ViewContext, pageSize, currentPage, totalItemCount, valuesDictionary, htmlHelper.RouteCollection);
            return pager.RenderHtml();
        }

        #endregion

        #region IQueryable<T> extensions

        public static IPagedList<T> ToPagedList<T>(this IQueryable<T> source, int pageIndex, int pageSize)
        {
            return new PagedList<T>(source, pageIndex, pageSize);
        }

        public static IPagedList<T> ToPagedList<T>(this IQueryable<T> source, int pageIndex, int pageSize, int totalCount)
        {
            return new PagedList<T>(source, pageIndex, pageSize, totalCount);
        }

        #endregion

        #region IEnumerable<T> extensions

        public static IPagedList<T> ToPagedList<T>(this IEnumerable<T> source, int pageIndex, int pageSize)
        {
            return new PagedList<T>(source, pageIndex, pageSize);
        }

        public static IPagedList<T> ToPagedList<T>(this IEnumerable<T> source, int pageIndex, int pageSize, int totalCount)
        {
            return new PagedList<T>(source, pageIndex, pageSize, totalCount);
        }

        #endregion
    }
}