Class IsEmptyVisibilityCondition

Namespace

Kentico.Xperience.Admin.Base.Forms

Assembly

Kentico.Xperience.Admin.Base.dll

Indicates that a form component will be visible only when the dependee property is empty string, empty collection or null.

[VisibilityConditionAttribute(typeof(VisibleIfEmptyAttribute))]
public class IsEmptyVisibilityCondition : VisibilityConditionWithDependency, IVisibilityCondition

Inheritance

object

VisibilityCondition<VisibilityConditionWithDependencyProperties>

VisibilityConditionWithDependency<VisibilityConditionWithDependencyProperties>

VisibilityConditionWithDependency

IsEmptyVisibilityCondition

Implements

IVisibilityCondition

Inherited Members

VisibilityConditionWithDependency<VisibilityConditionWithDependencyProperties>.DependsOnFields

VisibilityConditionWithDependency<VisibilityConditionWithDependencyProperties>.GetValueOfDependency<TValue>(IFormFieldValueProvider)

VisibilityConditionWithDependency<VisibilityConditionWithDependencyProperties>.GetObjectValueOfDependency<TValue>(IFormFieldValueProvider)

VisibilityCondition<VisibilityConditionWithDependencyProperties>.Properties

Extension Methods

DataExtensions.With<T>(T, Action<T>)

QueryExtensions.AsLiteral<T>(T)

QueryExtensions.AsValue<T>(T, bool)

Methods

Evaluate(IFormFieldValueProvider)

Evaluates the visibility condition and returns the result.

public override bool Evaluate(IFormFieldValueProvider formFieldValueProvider)

Parameters

formFieldValueProvider IFormFieldValueProvider

Provider of values of other form fields for contextual evaluation. Only fields logically preceding the current field are available.

Returns

bool

Returns true is the visibility condition is met (i.e. the associated component is to be displayed), otherwise returns false.