public BoolNames Merge(BoolNames sec)
{
if (TrueName.IsNulle())
{
TrueName = sec?.TrueName;
}
if (FalseName.IsNulle())
{
FalseName = sec?.FalseName;
}
if (NotSetName.IsNulle())
{
NotSetName = sec?.NotSetName;
}
return(this);
}
public (string optionLabel, InputColItem[]) GetInputCollectionItems(
bool winnowNullSelectOption,
string optionLabel = null,
BoolNames boolNames = null,
IEnumerable <InputColItem> items = null,
IEnumerable <string> enumNames = null,
object selectedValueForModelCollection = null)
{
InputModelInfo modelInfo = this;
if (items != null)
{
InputColItem[] _items = items.ToArray();
if (_items.NotNulle())
{
if (!_items.Any(kv => kv.IsSelected))
{
throw new NotImplementedException();
// RUN to find first selected, if any...
}
return(optionLabel, _items);
}
}
Type mainTyp = modelInfo.MainType;
bool typeIsNullable = modelInfo.ModelTypeIsNullable;
bool isBool = mainTyp.IsPrimitive && mainTyp == typeof(bool);
bool isEnum = !isBool && mainTyp.IsEnum;
if (isBool)
{
bool?modelValBool = (bool?)ModelValue;
BoolNames bn = boolNames ?? DefaultBoolNames;
if (boolNames != null)
{
bn.HtmlEncodeValues().Merge(DefaultBoolNames);
}
var nameValues = new InputColItem[] {
new InputColItem(bn.TrueName, true, modelValBool == true),
new InputColItem(bn.FalseName, false, modelValBool == false),
modelInfo.ModelTypeIsNullable
? new InputColItem(bn.NotSetName, null, modelValBool == null)
: null,
};
var _items = _alterCollForSelectOption(nameValues, winnowNullSelectOption, ref optionLabel);
return(optionLabel, _items); // see note below, can't call with ref setter in return line
}
else if (isEnum)
{
InputColItem[] _items = GetInputEnumValues(enumNames, values: null, countNullAsIsChecked: true);
_items = _alterCollForSelectOption(_items, winnowNullSelectOption, ref optionLabel);
// interesting! - the ref set won't set if called within the return line! so must put this line above
return(optionLabel, _items);
}
else
{
object modelValue = modelInfo.ModelValue;
if (modelValue != null)
{
if (modelValue is IEnumerable <object> arr)
{
List <InputColItem> kvlist = new List <InputColItem>();
bool _allowStringEquality = selectedValueForModelCollection != null &&
AllowStringBasedEqualityComparison(selectedValueForModelCollection.GetType());
foreach (object value in arr)
{
if (value != null)
{
string valueName = value.ToString();
if (valueName.NotNulle())
{
bool isSel = selectedValueForModelCollection == null
? false
: ObjectIsEqual(selectedValueForModelCollection, valueName, value, countNullAsIsCheckedMatch: true, allowStringEquality: _allowStringEquality);
var _item = new InputColItem(valueName, value, isSel);
kvlist.Add(_item);
}
}
}
return(optionLabel, kvlist.Where(kv => kv != null).ToArray());
}
}
}
return(optionLabel, null);
}
