C# Class Mvvm.BindableValidator

The BindableValidator class run validation rules of an entity, and stores a collection of errors of the properties that did not pass validation. The validation is run on each property change or whenever the ValidateProperties method is called. It also provides an indexer property, that uses the property names as keys and return the error list for the specified property.

Inheritance: INotifyPropertyChanged

Datei anzeigen Open project: XamlBrewer/UWP-Prism-Validation-Sample

Public Properties

Property	Type	Description
EmptyErrorsCollection	ReadOnlyCollection

Public Methods

Method	Description
BindableValidator ( INotifyPropertyChanged entityToValidate ) : System	Initializes a new instance of the BindableValidator class with the entity to validate.
BindableValidator ( INotifyPropertyChanged entityToValidate, Func getResourceDelegate ) : System	Initializes a new instance of the BindableValidator class with the entity to validate.
GetAllErrors ( ) : ReadOnlyCollection>.ReadOnlyDictionary	Returns a new ReadOnlyDictionary containing all the errors of the Entity, separated by property.
SetAllErrors ( IDictionary entityErrors ) : void	Updates the errors collection of the entity, notifying if the errors collection has changed.
ValidateProperties ( ) : bool	Validates all the properties decorated with the ValidationAttribute attribute. It updates each property errors collection with the new validation results (notifying if necessary).
ValidateProperty ( string propertyName ) : bool	Validates the property, based on the rules set in the property ValidationAttributes attributes. It updates the errors collection with the new validation results (notifying if necessary).
this ( string propertyName ) : ReadOnlyCollection	Returns the errors of the property.

Private Methods

Method	Description
OnErrorsChanged ( string propertyName ) : void	Notifies listeners that the errors of a property have changed.
OnPropertyChanged ( string propertyName ) : void	Notifies listeners that a property value has changed.
SetPropertyErrors ( string propertyName, IList propertyNewErrors ) : bool	Updates the errors collection of the property.
TryValidateProperty ( PropertyInfo propertyInfo, List propertyErrors ) : bool	Performs a validation of a property, adding the results in the propertyErrors list.

Method Details

BindableValidator() public method

Initializes a new instance of the BindableValidator class with the entity to validate.

When is .

public BindableValidator ( INotifyPropertyChanged entityToValidate ) : System
entityToValidate	INotifyPropertyChanged	The entity to validate
return	System

BindableValidator() public method

Initializes a new instance of the BindableValidator class with the entity to validate.

When is .

public BindableValidator ( INotifyPropertyChanged entityToValidate, Func getResourceDelegate ) : System
entityToValidate	INotifyPropertyChanged	The entity to validate
getResourceDelegate	Func	A delegate that returns a string resource given a resource map Id and resource Id
return	System

GetAllErrors() public method

Returns a new ReadOnlyDictionary containing all the errors of the Entity, separated by property.

public GetAllErrors ( ) : ReadOnlyCollection>.ReadOnlyDictionary
return	ReadOnlyCollection>.ReadOnlyDictionary

SetAllErrors() public method

Updates the errors collection of the entity, notifying if the errors collection has changed.

public SetAllErrors ( IDictionary entityErrors ) : void
entityErrors	IDictionary	The collection of errors for the entity.
return	void

ValidateProperties() public method

Validates all the properties decorated with the ValidationAttribute attribute. It updates each property errors collection with the new validation results (notifying if necessary).

public ValidateProperties ( ) : bool
return	bool

ValidateProperty() public method

Validates the property, based on the rules set in the property ValidationAttributes attributes. It updates the errors collection with the new validation results (notifying if necessary).

When is or an empty string value. When the parameter does not match any property name.

public ValidateProperty ( string propertyName ) : bool
propertyName	string	The name of the property to validate.
return	bool

this() public method

Returns the errors of the property.

public this ( string propertyName ) : ReadOnlyCollection
propertyName	string	The name of the property.
return	ReadOnlyCollection

Property Details

EmptyErrorsCollection public_oe static_oe property

Represents a collection of empty error values.

public static ReadOnlyCollection EmptyErrorsCollection
return	ReadOnlyCollection