public static void AddAutocompleteFunction(this ModuleBase module, AutocompleteFunction autocompleteFunction, Type type, string property)
{
var functions = (AutocompleteFunctions)module.ApplicationController.ResolveInstance(typeof(AutocompleteFunctions), type.AssemblyQualifiedName);
functions.AddAutocompleteFunction(property, autocompleteFunction);
module.ApplicationController.RegisterInstance(typeof(AutocompleteFunctions), type.AssemblyQualifiedName, functions);
}
public StringAutocompleteViewModel(StringFieldViewModel stringField, AutocompleteFunction autocompleteFunction)
: base(stringField.ApplicationController)
{
SearchText = stringField.Value;
StringField = stringField;
AutocompleteFunction = autocompleteFunction;
var typeAheadOptions = new TypeAheadOptions();
var typeAheadRecordService = new ObjectRecordService(typeAheadOptions, ApplicationController);
var formController = FormController.CreateForObject(typeAheadOptions, ApplicationController, null);
IEnumerable <object> autoCompleteStrings = null;
if (AutocompleteFunction.CacheAsStaticList)
{
try
{
autoCompleteStrings = autocompleteFunction.GetAutocompleteStrings(StringField.RecordEntryViewModel);
}
catch (Exception ex)
{
StringField.AddError($"Error Loading Autocomplete {ex.Message}\n{ex.DisplayString()}");
}
}
Func <bool, GetGridRecordsResponse> getGridRecords = (ignorePages) =>
{
try
{
LoadOptionsError = null;
autoCompleteStrings = autoCompleteStrings != null && AutocompleteFunction.CacheAsStaticList
? autoCompleteStrings
: autocompleteFunction
.GetAutocompleteStrings(StringField.RecordEntryViewModel);
if (autoCompleteStrings == null)
{
return(new GetGridRecordsResponse(new IRecord[0]));
}
var searchToLower = SearchText?.ToLower();
typeAheadOptions.Options = autoCompleteStrings
.Where(ta => searchToLower == null || AutocompleteFunction.SearchFields.Any(sf => ta.GetPropertyValue(sf)?.ToString().ToLower().StartsWith(searchToLower) ?? false))
.OrderBy(ta => (string)ta.GetPropertyValue(AutocompleteFunction.SortField))
.ThenBy(ta => (string)ta.GetPropertyValue(AutocompleteFunction.ValueField));
var records = typeAheadOptions
.Options
.Select(o => new ObjectRecord(o))
.Take(MaxRecordsForLookup)
.ToArray();
if (stringField.DisplayAutocomplete &&
(!records.Any() ||
(records.Count() == 1 && records.First().GetStringField(AutocompleteFunction.ValueField)?.ToLower() == searchToLower)))
{
stringField.DisplayAutocomplete = false;
}
else
{
stringField.DisplayAutocomplete = true;
}
return(new GetGridRecordsResponse(records));
}
catch (Exception ex)
{
LoadOptionsError = $"Autocomplete could not be loaded\n\n{ex.Message}{(ex.InnerException == null ? null : ("\n\n" + ex.InnerException.Message))}\n\n{ex.StackTrace}";
return(new GetGridRecordsResponse(new IRecord[0]));
}
};
DynamicGridViewModel = new DynamicGridViewModel(ApplicationController)
{
FormController = formController,
GetGridRecords = getGridRecords,
OnDoubleClick = OnDoubleClick,
ViewType = ViewType.LookupView,
RecordService = typeAheadRecordService,
RecordType = AutocompleteFunction.RecordType,
IsReadOnly = true,
DisplayHeaders = false,
NoMargins = true,
FieldMetadata = AutocompleteFunction.GridFields
};
}
