public NewsPagingModel NewsPading(List<News> news, PagingSettingModel pagingSettingModel)
{
var newsSettingModel = new NewsPagingModel(pagingSettingModel);
if (news != null)
{
newsSettingModel.Total = news.Count;
if (news.Count > newsSettingModel.PageSize)
{
var pagingInfo = new PagingInfo("page");
pagingInfo.TotalItems = news.Count;
pagingInfo.CurrentPage = newsSettingModel.PageIndex;
pagingInfo.ItemsPerPage = newsSettingModel.PageSize;
var url = Request.Url.ToString().TrimEnd('/');
if (!url.Contains("?" + pagingSettingModel.PageIndexQueryKeyName))
url += "?" + pagingSettingModel.PageIndexQueryKeyName + "=1";
pagingInfo.RequestUrl = url;
pagingInfo.PageQueryStringKeyName = pagingSettingModel.PageIndexQueryKeyName;
pagingInfo.ShowAllPages = pagingSettingModel.EnableFullPagingControl;
pagingInfo.PageCount = pagingSettingModel.PagingLength;
newsSettingModel.Results = news.Skip((pagingInfo.CurrentPage - 1) * pagingInfo.ItemsPerPage).Take(pagingInfo.ItemsPerPage).ToList();
ViewData["PageInfoModel"] = pagingInfo;
}
else
newsSettingModel.Results = news.ToList();
}
return newsSettingModel;
}
public MvcHtmlString PageLinks(PagingInfo pagingInfo)
{
if (pagingInfo.TotalPages <= 1)
return new MvcHtmlString("");
#region recheck page info
var defaultInfo = new PagingInfo();
if (pagingInfo.ItemsPerPage <= 0)
pagingInfo.ItemsPerPage = defaultInfo.ItemsPerPage;
if (pagingInfo.PageCount <= 0)
pagingInfo.PageCount = defaultInfo.PageCount;
if (pagingInfo.CurrentPage <= 0 || pagingInfo.CurrentPage > pagingInfo.TotalPages)
pagingInfo.CurrentPage = 1;
var startPage = 0;
if (pagingInfo.CurrentPage % pagingInfo.PageCount == 0)
startPage = (int)(pagingInfo.CurrentPage / pagingInfo.PageCount) * pagingInfo.PageCount - pagingInfo.PageCount + 1;
else
startPage = (int)(pagingInfo.CurrentPage / pagingInfo.PageCount) * pagingInfo.PageCount + 1;
var endPage = startPage + pagingInfo.PageCount - 1;
if (endPage > pagingInfo.TotalPages)
endPage = pagingInfo.TotalPages;
#endregion
var result = new StringBuilder();
if (pagingInfo.ShowAllPages)
{
#region Enable full paging
for (int i = 1; i <= pagingInfo.TotalPages; i++)
{
var tag = new TagBuilder("a");
var cssClass = "";
if (i == 1)
cssClass = !string.IsNullOrEmpty(pagingInfo.FirstPageNumberCssClass) ? pagingInfo.FirstPageNumberCssClass : defaultInfo.FirstPageNumberCssClass;
else if (i == pagingInfo.CurrentPage)
cssClass = !string.IsNullOrEmpty(pagingInfo.CurrentPageCssClass) ? pagingInfo.CurrentPageCssClass : defaultInfo.CurrentPageCssClass;
else
cssClass = !string.IsNullOrEmpty(pagingInfo.PageNumberCssClass) ? pagingInfo.PageNumberCssClass : defaultInfo.PageNumberCssClass;
tag.MergeAttribute("href", AddQueryString(pagingInfo.RequestUrl, pagingInfo.PageQueryStringKeyName, i.ToString()));
tag.InnerHtml = i.ToString();
tag.AddCssClass(cssClass);
result.Append(tag.ToString());
}
#endregion
}
else
{
#region show paging with current paging length settings
for (int i = startPage; i <= endPage; i++)
{
var tag = new TagBuilder("a");
var cssClass = "";
if (i == 1)
cssClass = !string.IsNullOrEmpty(pagingInfo.FirstPageNumberCssClass) ? pagingInfo.FirstPageNumberCssClass : defaultInfo.FirstPageNumberCssClass;
else if (i == pagingInfo.CurrentPage)
cssClass = !string.IsNullOrEmpty(pagingInfo.CurrentPageCssClass) ? pagingInfo.CurrentPageCssClass : defaultInfo.CurrentPageCssClass;
else
cssClass = !string.IsNullOrEmpty(pagingInfo.PageNumberCssClass) ? pagingInfo.PageNumberCssClass : defaultInfo.PageNumberCssClass;
tag.MergeAttribute("href", AddQueryString(pagingInfo.RequestUrl, pagingInfo.PageQueryStringKeyName, i.ToString()));
tag.InnerHtml = i.ToString();
tag.AddCssClass(cssClass);
result.Append(tag.ToString());
}
#endregion
}
var controlBuilder = new StringBuilder();
#region show first/preview/compact link
#region Show first Page
if (pagingInfo.CurrentPage > 1 && pagingInfo.ShowFirstLast)
{
var tag = new TagBuilder("a");
tag.AddCssClass(defaultInfo.FirstPageLinkCssClass);
if (!string.IsNullOrEmpty(pagingInfo.FirstPageLinkCssClass) && string.Compare(defaultInfo.FirstPageLinkCssClass, pagingInfo.FirstPageLinkCssClass, true) != 0)
{
tag.AddCssClass(pagingInfo.FirstPageLinkCssClass);
}
tag.MergeAttribute("href", AddQueryString(pagingInfo.RequestUrl, pagingInfo.PageQueryStringKeyName, "1"));
tag.InnerHtml = "‹";//.Localize("First");
controlBuilder.Append(tag.ToString());
}
#endregion
#region Show previous Page
if (pagingInfo.CurrentPage > 1 && pagingInfo.ShowNextPrevious)
{
var tag = new TagBuilder("a");
tag.AddCssClass(defaultInfo.PrePageCssClass);
if (!string.IsNullOrEmpty(pagingInfo.PrePageCssClass) && string.Compare(defaultInfo.PrePageCssClass, pagingInfo.PrePageCssClass, true) != 0)
{
tag.AddCssClass(pagingInfo.PrePageCssClass);
}
tag.MergeAttribute("href", AddQueryString(pagingInfo.RequestUrl, pagingInfo.PageQueryStringKeyName, (pagingInfo.CurrentPage - 1).ToString()));
tag.InnerHtml = "«";//.Localize("Previous");
controlBuilder.Append(tag.ToString());
}
#endregion
#region show compact link
if (pagingInfo.ShowCompactLink && startPage > 1)
{
var tag = new TagBuilder("a");
var css = !string.IsNullOrEmpty(pagingInfo.CompactPageLinkCssClass) ? pagingInfo.CompactPageLinkCssClass : defaultInfo.FirstPageLinkCssClass;
var pageIndex = (startPage - 1).ToString();
tag.AddCssClass(css);
tag.MergeAttribute("href", AddQueryString(pagingInfo.RequestUrl, pagingInfo.PageQueryStringKeyName, pageIndex));
tag.InnerHtml = "...";//.Localize("...");
controlBuilder.Append(tag.ToString());
}
if (controlBuilder.Length > 0)
result.Insert(0, controlBuilder);
#endregion
#endregion
#region show compact/next/last link
controlBuilder = new StringBuilder();
#region show compact link
if (pagingInfo.ShowCompactLink && endPage < pagingInfo.TotalPages)
{
var tag = new TagBuilder("a");
var css = !string.IsNullOrEmpty(pagingInfo.CompactPageLinkCssClass) ? pagingInfo.CompactPageLinkCssClass : defaultInfo.FirstPageLinkCssClass;
var pageIndex = (endPage + 1).ToString();
tag.AddCssClass(css);
tag.MergeAttribute("href", AddQueryString(pagingInfo.RequestUrl, pagingInfo.PageQueryStringKeyName, pageIndex));
tag.InnerHtml = "...";//.Localize("...");
controlBuilder.Append(tag.ToString());
}
#endregion
#region Show next Page
if (pagingInfo.CurrentPage < pagingInfo.TotalPages && pagingInfo.ShowNextPrevious)
{
var tag = new TagBuilder("a");
tag.AddCssClass(defaultInfo.NextPageCssClass);
if (!string.IsNullOrEmpty(pagingInfo.NextPageCssClass) && string.Compare(defaultInfo.NextPageCssClass, pagingInfo.NextPageCssClass, true) != 0)
{
tag.AddCssClass(pagingInfo.NextPageCssClass);
}
tag.MergeAttribute("href", AddQueryString(pagingInfo.RequestUrl, pagingInfo.PageQueryStringKeyName, (pagingInfo.CurrentPage + 1).ToString()));
tag.InnerHtml = "›";//.Localize("Next");
controlBuilder.Append(tag.ToString());
}
#endregion
#region Show last Page
if (pagingInfo.CurrentPage < pagingInfo.TotalPages && pagingInfo.ShowFirstLast)
{
var tag = new TagBuilder("a");
tag.AddCssClass(defaultInfo.LastPageLinkCssClass);
if (!string.IsNullOrEmpty(pagingInfo.LastPageLinkCssClass) && string.Compare(defaultInfo.LastPageLinkCssClass, pagingInfo.LastPageLinkCssClass, true) != 0)
{
tag.AddCssClass(pagingInfo.LastPageLinkCssClass);
}
tag.MergeAttribute("href", AddQueryString(pagingInfo.RequestUrl, pagingInfo.PageQueryStringKeyName, pagingInfo.TotalPages.ToString()));
tag.InnerHtml = "»";//.Localize("Last");
controlBuilder.Append(tag.ToString());
}
#endregion
if (controlBuilder.Length > 0)
result.Append(controlBuilder);
#endregion
#region show summary Info
if (pagingInfo.ShowSummaryInfo)
{
var infoTemplate = pagingInfo.SummaryInfoTemplate;
infoTemplate = !string.IsNullOrEmpty(infoTemplate) ? infoTemplate : ""; //"Trang {0}/{1} ({2} items)";
var summary = string.Format(infoTemplate, pagingInfo.CurrentPage, pagingInfo.TotalPages, pagingInfo.TotalItems);
result.Insert(0, summary);
}
#endregion
return MvcHtmlString.Create(result.ToString());
}
