public virtual JsonResult DropList(string filterExpression, string pySearch)
{
try
{
ClearClientPageCache(Response);
IEntry rep = EntryRepository;
CacheInit.RefreshCache(HttpContext, rep, ControllerName + "DropList", DateTime.Now.AddMinutes(CacheExpiryMinute), CachePriority, CacheCreateType.IfNoThenGenerated);
DataTable source = (DataTable)HttpContext.Cache[ControllerName + "DropList"];
filterExpression = DFT.HandleExpress(filterExpression);
List <DropListSource> dropList = rep.DropList(source, filterExpression);
if (DataConvert.ToString(pySearch) != "")
{
List <DropListSource> filterDrop = new List <DropListSource>();
foreach (var obj in dropList)
{
string pyf = PinYin.GetFirstPinyin(DataConvert.ToString(obj.Text)).ToUpper();
string[] pyfs = pyf.Split(',');
foreach (string py in pyfs)
{
if (py.StartsWith(pySearch.ToUpper()) && !filterDrop.Contains(obj))
{
filterDrop.Add(obj);
}
}
}
return(DropListJson(filterDrop));
}
return(DropListJson(dropList));
}
catch (Exception ex)
{
AppLog.WriteLog(AppMember.AppText["SystemUser"], LogType.Error, "MasterController.DropList", ControllerName + "[Message]:" + ex.Message + " [StackTrace]:" + ex.StackTrace);
return(new JsonResult());
}
}
public NodesFragment()
{
InitializeComponent();
var loaded = Observable.FromEventPattern <RoutedEventArgs>(AllNodesFragment, nameof(AllNodesFragment.Loaded))
.SelectMany(x => ApiClient.GetNodes())
.Retry(10)
.Select(x =>
{
return(x.GroupBy(y =>
{
var begin = y.Title.Trim().First();
if (begin >= 'A' && begin <= 'Z')
{
return $"{begin}";
}
if (begin >= 'a' && begin <= 'z')
{
return $"{(char)(begin + 'A' - 'a')}";
}
if (begin >= 0 && begin <= 256)
{
return "0-9";
}
var first = PinYin.GetFirstPinyin(begin.ToString());
return string.IsNullOrEmpty(first) ? "其他" : first;
})
.Select(y => new NodeInGroup {
Key = y.Key, NodeContent = y.ToList()
})
.OrderBy(y => y.Key));
})
.ObserveOnCoreDispatcher()
.Subscribe(x =>
{
SortNodesCVS.Source = x;
OutView.ItemsSource = SortNodesCVS.View.CollectionGroups;
InView.ItemsSource = SortNodesCVS.View;
});
var click = Observable.FromEventPattern <ItemClickEventArgs>(InView, nameof(InView.ItemClick))
.Select(x => x.EventArgs.ClickedItem as NodeModel)
.ObserveOnCoreDispatcher()
.Subscribe(x => PageStack.Next("Left", "Right", typeof(OneNodeTopicsView), x));
this.Unloaded += (s, e) =>
{
loaded.Dispose();
click.Dispose();
};
}