public void Pageable_Builder_CreatesGridPager()
{
htmlGrid.Grid.Pager = null;
htmlGrid.Pageable(pager => { });
IGridPager <GridModel> expected = new GridPager <GridModel>(htmlGrid.Grid);
IGridPager <GridModel> actual = htmlGrid.Grid.Pager;
Assert.AreEqual(expected.FirstDisplayPage, actual.FirstDisplayPage);
Assert.AreEqual(expected.PartialViewName, actual.PartialViewName);
Assert.AreEqual(expected.PagesToDisplay, actual.PagesToDisplay);
Assert.AreEqual(expected.ProcessorType, actual.ProcessorType);
Assert.AreEqual(expected.InitialPage, actual.InitialPage);
Assert.AreEqual(expected.CurrentPage, actual.CurrentPage);
Assert.AreEqual(expected.RowsPerPage, actual.RowsPerPage);
Assert.AreEqual(expected.TotalPages, actual.TotalPages);
Assert.AreEqual(expected.TotalRows, actual.TotalRows);
Assert.AreSame(expected.Grid, actual.Grid);
}
public async Task UpdateGrid()
{
try
{
ItemsDTO <T> response;
if (_dataService == null)
{
string urlParameters = ((GridPager)_pager).GetLink();
if (Url.Contains("?"))
{
urlParameters = urlParameters.Replace("?", "&");
}
HttpClient httpClient = new HttpClient();
response = await httpClient.GetJsonAsync <ItemsDTO <T> >(Url + urlParameters);
}
else
{
response = _dataService((QueryDictionary <StringValues>)_query);
}
if (response != null && response.Items != null && response.Pager != null)
{
Items = response.Items;
EnablePaging = response.Pager.EnablePaging;
_pager = new GridPager(_query, response.Pager.CurrentPage);
((GridPager)_pager).PageSize = response.Pager.PageSize;
((GridPager)_pager).ItemsCount = response.Pager.ItemsCount;
if (response.Totals != null)
{
if (response.Totals.Sum != null)
{
foreach (var keyValue in response.Totals.Sum)
{
var column = (GridColumnBase <T>)Columns.SingleOrDefault(r => r.Name != null && r.Name.Equals(keyValue.Key));
if (column != null && column.IsSumEnabled)
{
column.SumString = keyValue.Value;
}
}
}
if (response.Totals.Average != null)
{
foreach (var keyValue in response.Totals.Average)
{
var column = (GridColumnBase <T>)Columns.SingleOrDefault(r => r.Name != null && r.Name.Equals(keyValue.Key));
if (column != null && column.IsAverageEnabled)
{
column.AverageString = keyValue.Value;
}
}
}
if (response.Totals.Max != null)
{
foreach (var keyValue in response.Totals.Max)
{
var column = (GridColumnBase <T>)Columns.SingleOrDefault(r => r.Name != null && r.Name.Equals(keyValue.Key));
if (column != null && column.IsMaxEnabled)
{
column.MaxString = keyValue.Value;
}
}
}
if (response.Totals.Min != null)
{
foreach (var keyValue in response.Totals.Min)
{
var column = (GridColumnBase <T>)Columns.SingleOrDefault(r => r.Name != null && r.Name.Equals(keyValue.Key));
if (column != null && column.IsMinEnabled)
{
column.MinString = keyValue.Value;
}
}
}
}
}
else
{
Console.WriteLine("Response is null");
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
/// <summary>
/// Extract query string parameter name from default grid pager (if using)
/// </summary>
private string GetPagerQueryParameterName(IGridPager pager)
{
var defaultPager = pager as GridPager;
if (defaultPager == null)
return string.Empty;
return defaultPager.ParameterName;
}
public PagerGridItemsProcessor(IGridPager pager)
{
_pager = pager;
}