public async void Should_Produce_Value_On_Activator_True()
{
var activator = new BehaviorSubject<bool>(true);
var target = new StyleBinding(activator, 1, string.Empty);
var result = await target.Take(1);
Assert.Equal(1, result);
}
public async void Should_Produce_Value_On_Activator_True()
{
var activator = new BehaviorSubject <bool>(true);
var target = new StyleBinding(activator, 1, string.Empty);
var result = await target.Take(1);
Assert.Equal(1, result);
}
public async void Should_Produce_UnsetValue_On_Activator_False()
{
var activator = new BehaviorSubject<bool>(false);
var target = new StyleBinding(activator, 1, string.Empty);
var result = await target.Take(1);
Assert.Equal(PerspexProperty.UnsetValue, result);
}
public async void Should_Produce_UnsetValue_On_Activator_False()
{
var activator = new BehaviorSubject <bool>(false);
var target = new StyleBinding(activator, 1, string.Empty);
var result = await target.Take(1);
Assert.Equal(PerspexProperty.UnsetValue, result);
}
public void Should_Complete_When_Activator_Completes()
{
var activator = new BehaviorSubject<bool>(false);
var target = new StyleBinding(activator, 1, string.Empty);
var completed = false;
target.Subscribe(_ => { }, () => completed = true);
activator.OnCompleted();
Assert.True(completed);
}
public void Should_Complete_When_Activator_Completes()
{
var activator = new BehaviorSubject <bool>(false);
var target = new StyleBinding(activator, 1, string.Empty);
var completed = false;
target.Subscribe(_ => { }, () => completed = true);
activator.OnCompleted();
Assert.True(completed);
}
/// <summary>
/// Applies the setter to the control.
/// </summary>
/// <param name="style">The style that is being applied.</param>
/// <param name="control">The control.</param>
/// <param name="activator">An optional activator.</param>
public void Apply(IStyle style, IStyleable control, IObservable<bool> activator)
{
if (activator == null)
{
control.Bind(Property, Source, BindingPriority.Style);
}
else
{
var binding = new StyleBinding(activator, Source, style.ToString());
control.Bind(Property, binding, BindingPriority.StyleTrigger);
}
}
public void Should_Change_Value_On_Activator_Change()
{
var activator = new BehaviorSubject<bool>(false);
var target = new StyleBinding(activator, 1, string.Empty);
var result = new List<object>();
target.Subscribe(x => result.Add(x));
activator.OnNext(true);
activator.OnNext(false);
Assert.Equal(new[] { PerspexProperty.UnsetValue, 1, PerspexProperty.UnsetValue }, result);
}
public void Should_Change_Value_On_Activator_Change()
{
var activator = new BehaviorSubject <bool>(false);
var target = new StyleBinding(activator, 1, string.Empty);
var result = new List <object>();
target.Subscribe(x => result.Add(x));
activator.OnNext(true);
activator.OnNext(false);
Assert.Equal(new[] { PerspexProperty.UnsetValue, 1, PerspexProperty.UnsetValue }, result);
}
public void Attach(IStyleable control)
{
var description = "Style " + this.Selector.ToString();
var match = this.Selector.Match(control);
if (match.ImmediateResult.HasValue)
{
if (match.ImmediateResult == true)
{
foreach (Setter setter in this.Setters)
{
if (setter.Source != null && setter.Value != null)
{
throw new InvalidOperationException("Cannot set both Source and Value on a Setter.");
}
if (setter.Source == null)
{
control.SetValue(setter.Property, setter.Value, BindingPriority.Style);
}
else
{
control.Bind(setter.Property, setter.Source, BindingPriority.Style);
}
}
}
}
else
{
foreach (Setter setter in this.Setters)
{
if (setter.Source != null && setter.Value != null)
{
throw new InvalidOperationException("Cannot set both Source and Value on a Setter.");
}
StyleBinding binding;
if (setter.Source == null)
{
binding = new StyleBinding(match.ObservableResult, setter.Value, description);
}
else
{
binding = new StyleBinding(match.ObservableResult, setter.Source, description);
}
control.Bind(setter.Property, binding, BindingPriority.StyleTrigger);
}
}
}
