public SearchHints(ITradeService tradeService, UserInputThrottlingOcDispatcher throttling, OcDispatcher backgroundOcDispatcher, WpfOcDispatcher wpfOcDispatcher)
{
_searchTextThrottled =
new Computing <string>(() => SearchText)
.ScalarDispatching(throttling)
.SetDefaultValue("")
.For(_consumer);
_searchTextThrottled.PreValueChanged += (sender, args) =>
wpfOcDispatcher.IsPaused = true;
_searchTextThrottled.PostValueChanged += (sender, args) =>
{
wpfOcDispatcher.IsPaused = false;
wpfOcDispatcher.Invoke(CommandManager.InvalidateRequerySuggested);
};
_hints =
tradeService.Live.Selecting(t => t.CurrencyPair).Distincting()
.Concatenating(
tradeService.Live.Selecting(t => t.Customer).Distincting())
.Filtering(str =>
str.Contains(_searchTextThrottled.Value, StringComparison.OrdinalIgnoreCase) ||
str.Contains(_searchTextThrottled.Value, StringComparison.OrdinalIgnoreCase))
.Ordering(s => s)
.CollectionDispatching(wpfOcDispatcher, backgroundOcDispatcher)
.For(_consumer);
}
public SearchHints(ITradeService tradeService, UserInputThrottlingOcDispatcher throttling)
{
_searchTextThrottled =
new Computing <string>(() => SearchText)
.ScalarDispatching(throttling)
.SetDefaultValue("")
.For(_consumer);
_hints =
tradeService.Live.Selecting(t => t.CurrencyPair).Distincting()
.Concatenating(
tradeService.Live.Selecting(t => t.Customer).Distincting())
.Filtering(str =>
str.Contains(_searchTextThrottled.Value, StringComparison.OrdinalIgnoreCase) ||
str.Contains(_searchTextThrottled.Value, StringComparison.OrdinalIgnoreCase))
.Ordering(s => s)
.For(_consumer);
}
