/// <summary>
/// Sets listing data (search keyword, sorting, advanced filters, pagination, saved search)
/// </summary>
/// <param name="listingDataModel"></param>
/// <param name="forIndex"></param>
private void SetData(ListingParams <M> listingDataModel, bool forIndex)
{
//read data from session only if the page is loaded for the first time (not AJAX search)
//but only if the page is not a lookup modal (these don't need to retain search parameters)
//for AJAX search, all parameters are sent by the client
var searchParams = (forIndex && !this.IsLookup) ? (Session[searchParamsSessionKey] as SearchParams) : null;
if (searchParams == null)
{
searchParams = new SearchParams();
}
var pages = this.IsSubDetailPage ? new string[] { "5", "15", "50" } : new string[] { "15", "25", "50", "100" };
var minPageSize = this.ListingViewModel.MinPageSize ?? (this.IsLookup ? 10 : (this.IsSubDetailPage ? 5 : 15));
//if no advanced filters, try to retrieve from value providers
if (listingDataModel.AdvancedFilters == null || listingDataModel.AdvancedFilters.Count == 0)
{
listingDataModel.AdvancedFilters = DataExtensions.JSONToDictionary(this.ValueProvider.GetValue("advancedFilters"));
}
//if no advanced filters, try to retrieve from session
if (listingDataModel.AdvancedFilters == null || listingDataModel.AdvancedFilters.Count == 0)
{
listingDataModel.AdvancedFilters = DataExtensions.JSONToDictionary(searchParams.AdvancedFilters);
}
//current page index
listingDataModel.PageIndex = (listingDataModel.PageIndex.HasValue) ? listingDataModel.PageIndex.Value - 1 : Convert.ToInt32(searchParams.PageIndex ?? 0);
//number of rows per page
if (listingDataModel.ItemsPerPage == 0)
{
//on lookup pages, the items per page is constant
if (this.IsLookup)
{
listingDataModel.ItemsPerPage = minPageSize;
}
else
{
listingDataModel.ItemsPerPage = Convert.ToInt32(searchParams.ItemsPerPage ?? minPageSize);
}
}
//keyword search
if (listingDataModel.Keyword == null)
{
listingDataModel.Keyword = "";
}
if (String.IsNullOrEmpty(listingDataModel.Keyword))
{
listingDataModel.Keyword = (searchParams.Keyword ?? "").ToString();
}
//sorting; if not set from request, retrieve data from session
if (listingDataModel.Sort == null)
{
listingDataModel.Sort = new ListingSortModel
{
Column = (searchParams.SortByColumn ?? "").ToString(),
Asc = Convert.ToBoolean(searchParams.SortAsc ?? true)
};
}
if (listingDataModel.Model == null)
{
listingDataModel.Model = new M();
}
//save data into session
if (!this.IsLookup && !this.IsSubDetailPage)
{
searchParams.ItemsPerPage = listingDataModel.ItemsPerPage;
searchParams.PageIndex = listingDataModel.PageIndex;
searchParams.Keyword = listingDataModel.Keyword;
searchParams.SortByColumn = listingDataModel.Sort.Column;
searchParams.SortAsc = listingDataModel.Sort.Asc;
searchParams.AdvancedFilters = listingDataModel.AdvancedFilters.ToJSON();
//disable session
//Session[this.searchParamsSessionKey] = searchParams;
}
//set view data
ViewBag.ItemsPerPage = listingDataModel.ItemsPerPage;
ViewBag.Pager = pages.ToSelectList(listingDataModel.ItemsPerPage.ToString(), false);
ViewBag.Sorted = listingDataModel.Sort.Column;
ViewBag.SortedAsc = listingDataModel.Sort.Asc;
}