/// <summary>
/// Initializes a new instance of the <see cref="ValidationParameter"/> struct.
/// </summary>
/// <param name="propertyMetadata">The property metadata.</param>
/// <param name="propertyInstance">The property instance.</param>
/// <param name="propertyValue">The property value.</param>
/// <param name="cancellationToken">The cancellation token.</param>
public ValidationParameter(PropertyInfo propertyMetadata, IViewModelProperty propertyInstance, object propertyValue, CancellationToken cancellationToken) : this()
{
_propertyMetadata = propertyMetadata;
_propertyInstance = propertyInstance;
_propertyValue = propertyValue;
_cancellationToken = cancellationToken;
}
/// <summary>
/// Set the targeted ViewModel
/// </summary>
public void SetViewModel(ViewModelInfo vm)
{
var type = vm.ViewModel.GetType();
Properties.Clear();
foreach (var prop in type.GetProperties().OrderBy(e => e.Name))
{
IViewModelProperty property = null;
if (prop.PropertyType == typeof(string))
{
property = new StringViewModelProperty(vm.ViewModel, prop);
}
else if (prop.PropertyType == typeof(bool))
{
property = new BoolViewModelProperty(vm.ViewModel, prop);
}
else if (prop.PropertyType == typeof(ICommand) || prop.PropertyType.GetInterfaces().Any(e => e == typeof(ICommand)))
{
property = new CommandViewModelProperty(vm.ViewModel, prop);
}
if (property == null)
{
property = new ObjectViewModelProperty(vm.ViewModel, prop);
}
property.ReadValue();
Properties.Add(property);
}
}
public static EqualToExpression EqualToProperty(IViewModelProperty property, IViewModelProperty valueProperty)
{
var leftValueProvider = new Func <object>(property.GetValue);
var rightValueProvider = new Func <object>(valueProperty.GetValue);
return(EqualToGeneric(leftValueProvider, rightValueProvider));
}
public static EqualToExpression EqualToLateValue(IViewModelProperty property, LateValue <object> lateValue)
{
var leftValueProvider = new Func <object>(property.GetValue);
var rightValueProvider = new Func <object>(() => lateValue());
return(EqualToGeneric(leftValueProvider, rightValueProvider));
}
public static LessThanExpression LessThanLateValue(IViewModelProperty property, LateValue <object> lateValue)
{
var leftValueProvider = new Func <object>(property.GetValue);
var rightValueProvider = new Func <object>(() => lateValue());
return(LessThanGeneric(leftValueProvider, rightValueProvider));
}
public static LessThanExpression LessThanProperty(IViewModelProperty property, IViewModelProperty valueProperty)
{
var leftValueProvider = new Func <object>(property.GetValue);
var rightValueProvider = new Func <object>(valueProperty.GetValue);
return(LessThanGeneric(leftValueProvider, rightValueProvider));
}
public static GreaterThanExpression GreaterThanValue(IViewModelProperty property, object value)
{
var leftValueProvider = new Func <object>(property.GetValue);
var rightValueProvider = new Func <object>(() => value);
return(GreaterThanGeneric(leftValueProvider, rightValueProvider));
}
protected override void OnCreateViewModelProperties()
{
FirstName = CreateValueProperty(Model.FirstName);
LastName = CreateValueProperty(Model.LastName);
PhoneNumber = CreateValueProperty(Model.PhoneNumber);
Sex = CreateEnumProperty(Model.Sex);
DateOfBirth = CreateValueProperty(Model.DateOfBirth);
DateOfDeath = CreateValueProperty(Model.DateOfDeath);
Email = CreateValueProperty(Model.Email);
}
public static void OnSet(this IViewModelMutable @this, IViewModelProperty property, object value)
{
PropertyChange[] changes;
{
var list = new List <PropertyChange>();
var node = @this;
var p = property;
var v = value;
while (node != null)
{
list.Add(new PropertyChange(node, p, v));
p = node.StateProperty;
v = node;
node = node.Parent;
}
list.Reverse();
changes = list.ToArray();
}
var request = new ReduceRequest(changes);
var root = (IViewModelRootMutable)(changes[0].ViewModel);
root.ReduceCommand.Execute(request);
}
/// <summary>
/// Register the view model property so that it can participate in refreshing command procedure.
/// </summary>
private void RegisterViewModelProperty(IViewModelProperty property)
{
_registeredProperties.Add(property);
}
public static CustomValidationExpression CustomValidation(IViewModelProperty property, CustomValidator <object> customValidator)
{
var leftValueProvider = new Func <object>(property.GetValue);
return(new CustomValidationExpression(leftValueProvider, customValidator));
}
public static MatchingExpression MatchingProperty(IViewModelProperty property, string pattern)
{
var evaluatedValueProvider = new Func <object>(property.GetValue);
return(MatchingGeneric(evaluatedValueProvider, pattern));
}
/// <summary>Record Constructor</summary>
/// <param name="viewModel"><see cref="ViewModel"/></param>
/// <param name="property"><see cref="Property"/></param>
/// <param name="oldValue"><see cref="OldValue"/></param>
/// <param name="newValue"><see cref="NewValue"/></param>
public PropertyChange(IViewModelMutable viewModel, IViewModelProperty property, object newValue)
{
ViewModel = viewModel;
Property = property;
NewValue = newValue;
}
