private static SelectorMatch MatchPropertyEquals(IStyleable x, PerspexProperty property, object value)
{
if (!PerspexPropertyRegistry.Instance.IsRegistered(x, property))
{
return(SelectorMatch.False);
}
else
{
return(new SelectorMatch(x.GetObservable(property).Select(v => Equals(v, value))));
}
}
/// <inheritdoc/>
protected override SelectorMatch Evaluate(IStyleable control, bool subscribe)
{
if (subscribe)
{
return(new SelectorMatch(control.GetObservable(_property).Select(v => Equals(v ?? string.Empty, _value))));
}
else
{
return(new SelectorMatch((control.GetValue(_property) ?? string.Empty).Equals(_value)));
}
}
/// <inheritdoc/>
protected override SelectorMatch Evaluate(IStyleable control, bool subscribe)
{
if (subscribe)
{
return(new SelectorMatch(control.GetObservable(_property).Select(v => Equals(v ?? string.Empty, _value))));
}
else
{
var result = (control.GetValue(_property) ?? string.Empty).Equals(_value);
return(result ? SelectorMatch.AlwaysThisInstance : SelectorMatch.NeverThisInstance);
}
}
/// <inheritdoc/>
protected override SelectorMatch Evaluate(IStyleable control, bool subscribe)
{
if (!PerspexPropertyRegistry.Instance.IsRegistered(control, _property))
{
return(SelectorMatch.False);
}
else if (subscribe)
{
return(new SelectorMatch(control.GetObservable(_property).Select(v => Equals(v, _value))));
}
else
{
return(new SelectorMatch(control.GetValue(_property).Equals(_value)));
}
}
/// <inheritdoc/>
protected override SelectorMatch Evaluate(IStyleable control, bool subscribe)
{
if (!AvaloniaPropertyRegistry.Instance.IsRegistered(control, _property))
{
return SelectorMatch.False;
}
else if (subscribe)
{
return new SelectorMatch(control.GetObservable(_property).Select(v => Equals(v, _value)));
}
else
{
return new SelectorMatch(control.GetValue(_property).Equals(_value));
}
}
protected override void Initialize()
{
_subscription = _control.GetObservable(_property).Subscribe(this);
}