/// <summary>
/// Factory method for creating new ListControlViewModel instances.
/// </summary>
/// <param name="control">Underlying list-based Control_t (of type <see cref="ListControlBase"/>) for this ControlViewModel.</param>
/// <param name="referencedParameter">Parameter that the specified Control_t relates to. May be null.</param>
/// <param name="mode">Data entry mode (create/amend/view).</param>
/// <returns>New instance of ListControlViewModel.</returns>
public static ListControlViewModel Create(ListControlBase control, IParameter referencedParameter)
{
ListControlViewModel controlViewModel = new ListControlViewModel(control, referencedParameter);
controlViewModel._listItems = ViewModelListItemCollection.Create(controlViewModel);
return(controlViewModel);
}
/// <summary>
/// Factory method for creating new ControlViewModel instances.
/// </summary>
/// <param name="underlyingStrategy"><see cref="Strategy_t"/> that this ControlViewModel's <see cref="Control_t"/> is a member of.</param>
/// <param name="control">Underlying Control_t for this ControlViewModel.</param>
/// <returns>New ControlViewModel instance.</returns>
public static ControlViewModel Create(Strategy_t underlyingStrategy, Control_t control, IInitialFixValueProvider initialValueProvider)
{
IParameter referencedParameter = null;
if (control.ParameterRef != null)
{
referencedParameter = underlyingStrategy.Parameters[control.ParameterRef];
if (referencedParameter == null)
{
throw ThrowHelper.New <ReferencedObjectNotFoundException>(ErrorMessages.UnresolvedParameterRefError, control.ParameterRef);
}
}
ControlViewModel controlViewModel;
#if !NET_40
// This is to workaround a bug in .NET Framework 3.5 where it is possible for more than one radio button in a
// group to be checked at a time.
if (control is RadioButton_t)
{
controlViewModel = new RadioButtonViewModel(control as RadioButton_t, referencedParameter);
}
else
#endif
if (control is ListControlBase)
{
controlViewModel = ListControlViewModel.Create(control as ListControlBase, referencedParameter);
}
else if (InvalidatableControlViewModel.IsInvalidatable(control))
{
controlViewModel = InvalidatableControlViewModel.Create(control, referencedParameter);
}
else
{
controlViewModel = new ControlViewModel(control, referencedParameter);
}
controlViewModel._stateRules = new ViewModelStateRuleCollection(controlViewModel, control.StateRules);
controlViewModel._fixFieldValues = new FixFieldValueProvider(initialValueProvider, underlyingStrategy.Parameters);
return(controlViewModel);
}
/// <summary>
/// Factory method for creating new ViewModelListItemCollection instances, based on the supplied <see cref="ListControlViewModel"/>.
/// </summary>
/// <param name="controlViewModel">ListControlViewModel that represents the list-based control that contains the set
/// of <see cref="ListItem_t"/>s that this ViewModelListItemCollection relates to.</param>
/// <returns>A new ViewModelListItemCollection instance. May be an empty collection.</returns>
public static ViewModelListItemCollection Create(ListControlViewModel controlViewModel)
{
bool controlIsRadioButtonList = controlViewModel.UnderlyingControl is RadioButtonList_t;
ViewModelListItemCollection collection = new ViewModelListItemCollection(controlViewModel, controlIsRadioButtonList);
// Make a unique group name for use with RadioButtonLists to ensure individual radio buttons are mutually exclusive.
string groupName = Guid.NewGuid().ToString();
foreach (ListItem_t item in (controlViewModel.UnderlyingControl as ListControlBase).ListItems)
{
ListItemViewModel listItem = new ListItemViewModel(collection, item);
if (controlIsRadioButtonList)
{
listItem.GroupName = groupName;
}
collection.Add(listItem);
}
return(collection);
}
private ViewModelListItemCollection(ListControlViewModel controlViewModel, bool controlIsRadioButtonList)
{
_owningControlViewModel = controlViewModel;
_controlIsRadioButtonList = controlIsRadioButtonList;
}
