public void ImportFromModel(object model, params object[] context)
{
TValue input = default(TValue);
if (model != null)
{
input = (TValue)model;
}
ChoiceList <TChoiceItem, TValue, TDisplay> choiceList = context[0] as ChoiceList <TChoiceItem, TValue, TDisplay>;
List <MutualExclusionListItem <TValue> > items = new List <MutualExclusionListItem <TValue> >();
foreach (TChoiceItem item in choiceList.Items)
{
MutualExclusionListItem <TValue> mutualExclusionListItem = new MutualExclusionListItem <TValue>();
mutualExclusionListItem.Value = choiceList.ValueSelector(item);
mutualExclusionListItem.Label = choiceList.DisplaySelector(item).ToString();
if (choiceList.LabelAttributesSelector != null)
{
mutualExclusionListItem.LabelAttributes = choiceList.LabelAttributesSelector(item);
}
else
{
mutualExclusionListItem.LabelAttributes = new { }
};
if (choiceList.DisplayAttributesSelector != null)
{
mutualExclusionListItem.DisplayAttributes = choiceList.DisplayAttributesSelector(item);
}
else
{
mutualExclusionListItem.DisplayAttributes = new { }
};
items.Add(mutualExclusionListItem);
if (((IComparable)input).CompareTo(mutualExclusionListItem.Value) == 0)
{
mutualExclusionListItem.Selected = true;
}
}
Items = items.ToArray();
}
}
private static List <ExtendedSelectListItem> prepareItems <TItem, TDisplay, TValue>(ChoiceList <TItem, TDisplay, TValue> choices, bool isDropDown, ModelMetadata model)
{
List <ExtendedSelectListItem> res = new List <ExtendedSelectListItem>();
if (choices.isInClientBlock)
{
return(res);
}
if (isDropDown && (choices.UsePrompt || choices.OverridePrompt != null))
{
string prompt = choices.OverridePrompt;
if (prompt == null)
{
prompt = model.Watermark;
}
if (prompt != null)
{
res.Add(new ExtendedSelectListItem
{
Value = string.Empty,
Text = prompt,
Attributes =
choices.LabelAttributesSelector == null ?
null : choices.LabelAttributesSelector(default(TItem))
});
}
}
foreach (TItem item in choices.Items)
{
res.Add(new ExtendedSelectListItem
{
Attributes =
choices.LabelAttributesSelector == null ?
null : choices.LabelAttributesSelector(item),
Value = Convert.ToString(choices.ValueSelector(item), CultureInfo.CurrentCulture),
Text = Convert.ToString(choices.DisplaySelector(item), CultureInfo.CurrentCulture),
GroupKey = choices is IGroupedChoiceList ? Convert.ToString(((IGroupedChoiceList)choices).GroupValueSelector(item), CultureInfo.CurrentCulture) : null,
GroupName = choices is IGroupedChoiceList ? Convert.ToString(((IGroupedChoiceList)choices).GroupDisplaySelector(item), CultureInfo.CurrentCulture):null,
GroupAttributes = choices is IGroupedChoiceList && ((IGroupedChoiceList)choices).GroupAttributesSelector != null ?
((IGroupedChoiceList)choices).GroupAttributesSelector(item) : null
});
}
return(res);
}
public void ImportFromModel(object model, params object[] context)
{
IEnumerable input = model as IEnumerable;
List <TValue> inputList;
if (input == null)
{
inputList = new List <TValue>();
}
else
{
inputList = EnumerableHelper.CreateFrom <TValue>(typeof(List <TValue>), input, 0) as List <TValue>;
inputList.Sort();
ChoiceList <TChoiceItem, TValue, TDisplay> choiceList = context[0] as ChoiceList <TChoiceItem, TValue, TDisplay>;
List <CheckBoxListItem <TValue> > items = new List <CheckBoxListItem <TValue> >();
List <OrderItem <TValue> > orderer = new List <OrderItem <TValue> >();
int index = 0;
foreach (TChoiceItem item in choiceList.Items)
{
CheckBoxListItem <TValue> checkBoxListItem = new CheckBoxListItem <TValue>();
OrderItem <TValue> orderItem = new OrderItem <TValue>();
checkBoxListItem.Code = choiceList.ValueSelector(item);
checkBoxListItem.Label = choiceList.DisplaySelector(item).ToString();
if (choiceList.LabelAttributesSelector != null)
{
checkBoxListItem.LabelAttributes = choiceList.LabelAttributesSelector(item);
}
else
{
checkBoxListItem.LabelAttributes = new { }
};
if (choiceList.DisplayAttributesSelector != null)
{
checkBoxListItem.DisplayAttributes = choiceList.DisplayAttributesSelector(item);
}
else
{
checkBoxListItem.DisplayAttributes = new { }
};
items.Add(checkBoxListItem);
orderItem.Value = checkBoxListItem.Code;
orderItem.Place = index;
orderer.Add(orderItem);
index++;
}
Items = items.ToArray();
orderer.Sort();
IEnumerator <OrderItem <TValue> > ordererIterator = (orderer as IEnumerable <OrderItem <TValue> >).GetEnumerator();
ordererIterator.Reset();
ordererIterator.MoveNext();
foreach (TValue selectedValue in inputList)
{
while (((IComparable)selectedValue).CompareTo(ordererIterator.Current.Value) > 0)
{
ordererIterator.MoveNext();
}
if (((IComparable)selectedValue).CompareTo(ordererIterator.Current.Value) == 0)
{
Items[ordererIterator.Current.Place].Selected = true;
}
}
}
}
}
