private static void OnParentModelPropertyChanged(SpreadsheetCellDataFieldViewModel vm, object parentModel, PropertyChangedEventArgs args)
{
if (args.PropertyName == vm._propertyInfo.Name || args.PropertyName == "MasterObject")
{
vm.RaisePropertyChanged("DisplayInfo");
vm.RaisePropertyChanged("Error");
if (args.PropertyName == "MasterObject" &&
vm._fieldViewModelType != typeof(SingleCrossRefFieldViewModel))
{
MethodCaller.CallMethod(parentModel, "RaisePropertyChanged", vm._propertyInfo.Name);
}
}
}
public Task<ICellDataContextObject> CreateAndInitialize(Type type, PropertyInfo propertyInfo, object model)
{
var syncTask = new TaskCompletionSource<ICellDataContextObject>();
ICellDataContextObject newInstance = null;
if (typeof(IFieldViewModel).IsAssignableFrom(type))
{
var parentModel = model as IEditableProxy;
var parentDetailsVM = CustomParametres[0] as DetailsViewModel;
if (parentModel == null || parentDetailsVM == null || propertyInfo == null)
{
syncTask.SetResult(null);
return syncTask.Task;
}
IColumnItem columnItem = null;
var columns = CustomParametres[1] as ColumnCollection;
if (columns != null)
columnItem = columns.FirstOrDefault(x => x.Property == propertyInfo);
if (!parentModel.IsProxyNew)
{
var keyCode = string.Format(CultureInfo.InvariantCulture, "{0}_{1}_{2}", parentModel.GetType().Name, parentModel.Id, propertyInfo.Name);
if (!_vmDictionary.TryGetValue(keyCode, out newInstance))
{
newInstance = new SpreadsheetCellDataFieldViewModel(type, propertyInfo, parentModel, parentDetailsVM, columnItem);
_vmDictionary.Add(keyCode, newInstance);
}
else if (model != ((SpreadsheetCellDataFieldViewModel) newInstance).ParentModel)
{
newInstance = new SpreadsheetCellDataFieldViewModel(type, propertyInfo, parentModel, parentDetailsVM, columnItem);
_vmDictionary[keyCode] = newInstance;
}
}
else
newInstance = new SpreadsheetCellDataFieldViewModel(type, propertyInfo, parentModel, parentDetailsVM, columnItem);
}
syncTask.SetResult(newInstance);
return syncTask.Task;
}
private static bool ProcessCRDisplayField(SpreadsheetCellDataFieldViewModel vm)
{
var crElement = vm._parentProperty.GetValue(vm._parentPropertyOwner, null) as IEditableProxy;
if (crElement != null)
{
var crElementProperties = crElement.GetAllPropertiesForInstance();
vm.GetCRDisplayFieldValue(vm._childProperty, crElementProperties[vm._childProperty]);
return true;
}
return false;
}
