public BaseViewModel()
{
Validator = new ValidationHelper();
NotifyDataErrorInfoAdapter = new NotifyDataErrorInfoAdapter(Validator);
NotifyDataErrorInfoAdapter.ErrorsChanged += OnErrorsChanged;
}
protected ValidatableViewModelBase()
{
Validator = new ValidationHelper();
NotifyDataErrorInfoAdapter = new NotifyDataErrorInfoAdapter(Validator);
NotifyDataErrorInfoAdapter.ErrorsChanged += OnErrorsChanged;
}
private void SetupValidation()
{
var validationRules = new ValidationHelper();
// Simple properties
validationRules.AddRule(nameof(StringProperty),
() =>
RuleResult.Assert(!string.IsNullOrEmpty(StringProperty),
"StringProperty cannot be null or empty string"));
validationRules.AddRule(nameof(IntProperty),
() => RuleResult.Assert(IntProperty > 0, "IntProperty should be greater than zero."));
// Dependant properties
validationRules.AddRule(nameof(RangeStart),
nameof(RangeEnd),
() => RuleResult.Assert(RangeEnd > RangeStart, "RangeEnd must be grater than RangeStart"));
// Long-running validation (simulates call to a web service or something)
validationRules.AddRule(
nameof(StringProperty2),
() =>
{
SyncValidationRuleExecutedAsyncroniouslyDelegate?.Invoke();
return(RuleResult.Assert(!string.IsNullOrEmpty(StringProperty2),
"StringProperty2 cannot be null or empty string"));
});
Validation = validationRules;
DataErrorInfoValidationAdapter = new NotifyDataErrorInfoAdapter(Validation);
}
public ValidateableBaseViewModel()// IUnityContainer container)
{
Validator = new ValidationHelper();
NotifyDataErrorInfoAdapter = new NotifyDataErrorInfoAdapter(Validator);
NotifyDataErrorInfoAdapter.ErrorsChanged += OnErrorsChanged;
}
protected ViewModelBase(IUnitOfWorkFactory factory)
{
this.factory = factory;
Validator = new ValidationHelper();
NotifyDataErrorInfoAdapter = new NotifyDataErrorInfoAdapter(Validator);
NotifyDataErrorInfoAdapter.ErrorsChanged += OnErrorChanged;
}
public IEnumerable GetErrors(string propertyName)
{
try
{
return(NotifyDataErrorInfoAdapter.GetErrors(propertyName));
}
catch (Exception ex)
{
return(null);
}
}
public Student()
{
Validator = new ValidationHelper();
this.PropertyChanged += Student_PropertyChanged;
NotifyDataErrorInfoAdapter = new NotifyDataErrorInfoAdapter(Validator);
OnCreated();
ConfigureRules();
}
public ValidatableViewModelBase()
{
Validator = new ValidationHelper();
#if SILVERLIGHT
NotifyDataErrorInfoAdapter = new NotifyDataErrorInfoAdapter(Validator);
#else
DataErrorInfoAdapter = new DataErrorInfoAdapter(Validator);
#endif
OnCreated();
}
//constructor for mainview
public MainViewModel(IDialogCoordinator dialogCoordinator)
{
_canExecute = true;
_dialogCoordinator = dialogCoordinator;
try
{
Channel_list = mysql_data.get_channel_list();
Mysql_Status = mysql_data.live_ping();
Sqlite_Status = mysql_data.localDB_ping();
Validator = new ValidationHelper();
NotifyDataErrorInfoAdapter = new NotifyDataErrorInfoAdapter(Validator);
}
catch
{
}
}
protected ValidatableViewModelBase()
{
NotifyDataErrorInfoAdapter = new NotifyDataErrorInfoAdapter(Validator);
Observable.FromEventPattern <DataErrorsChangedEventArgs>(
ev => NotifyDataErrorInfoAdapter.ErrorsChanged += ev,
ev => NotifyDataErrorInfoAdapter.ErrorsChanged -= ev)
.Select(e => e.EventArgs.PropertyName)
.Subscribe(OnPropertyChanged);
var obs = Observable.FromEventPattern <ValidationResultChangedEventArgs>(
ev => Validator.ResultChanged += ev,
ev => Validator.ResultChanged -= ev)
.Select(e => e.EventArgs.NewResult)
.CombineLatest(IsValid, ValidateCommand as ReactiveCommand, (a, b, c) => (a, b, c))
.Where((ab) => ab.b == false)
.Select(ab => ab.a);
obs.Subscribe(a => IsValid.Value = a.IsValid);
ValidationErrorsString = obs.Select(a => a.ToString()).ToReadOnlyReactiveProperty();
}
public MainViewModel(IDialogCoordinator dialogCoordinator)
{
Validator = new ValidationHelper();
NotifyDataErrorInfoAdapter = new NotifyDataErrorInfoAdapter(Validator);
Validator.AddRequiredRule(() => Asset_tag, "Asset Tag is required");
Validator.AddRequiredRule(() => Selected_resou, "Please Select Resolution");
Validator.AddRequiredRule(() => Selected_device, "Please Select a Device");
NotifyDataErrorInfoAdapter.ErrorsChanged += OnErrorsChanged;
_canExecute = true;
_dialogCoordinator = dialogCoordinator;
Mysql_Status = mysql_data.live_ping();
Sqlite_Status = mysql_data.localDB_ping();
//Validator.AddRequiredRule(() => Users_SelectedValue, "User is required");
//Validator.AddRequiredRule(() => Computer_type_value, "Computer Type is required");
//Validator.AddRequiredRule(() => Selected_channel, "Channel is required");
//Validator.AddRequiredRule(() => Selected_sku, "SKU is required");
}
public ValidatableViewModel()
{
Validator = new ValidationHelper();
DataErrorInfoValidationAdapter = new NotifyDataErrorInfoAdapter(Validator);
}
public ValidatableViewModel()
{
Validator = new ValidationHelper();
DataErrorInfoValidationAdapter = new NotifyDataErrorInfoAdapter(Validator);
}
public ValidatableObservableObject()
{
_validator = new ValidationHelper();
_notifyDataErrorInfoAdapter = new NotifyDataErrorInfoAdapter(_validator);
_notifyDataErrorInfoAdapter.ErrorsChanged += OnErrorsChanged;
}
public IEnumerable GetErrors(string propertyName)
{
return(NotifyDataErrorInfoAdapter.GetErrors(propertyName));
}
private void SetupValidation()
{
var validationRules = new ValidationHelper();
// Simple properties
validationRules.AddRule(() => StringProperty,
() => { return RuleResult.Assert(!string.IsNullOrEmpty(StringProperty), "StringProperty cannot be null or empty string"); });
validationRules.AddRule(() => IntProperty,
() => { return RuleResult.Assert(IntProperty > 0, "IntProperty should be greater than zero."); });
// Dependant properties
validationRules.AddRule(() => RangeStart,
() => RangeEnd,
() =>
{
return RuleResult.Assert(RangeEnd > RangeStart, "RangeEnd must be grater than RangeStart");
});
// Long-running validation (simulates call to a web service or something)
validationRules.AddRule(
() => StringProperty2,
() =>
{
if (SyncValidationRuleExecutedAsyncroniouslyDelegate != null)
{
SyncValidationRuleExecutedAsyncroniouslyDelegate();
}
return RuleResult.Assert(!string.IsNullOrEmpty(StringProperty2), "StringProperty2 cannot be null or empty string");
});
Validation = validationRules;
DataErrorInfoValidationAdapter = new NotifyDataErrorInfoAdapter(Validation);
}
public ValidatingViewModel()
{
this.Validator = new ValidationHelper();
this.notifyDataErrorInfoAdapter = new NotifyDataErrorInfoAdapter(this.Validator);
}
