public override void MovedToSuperview()
{
base.MovedToSuperview();
TopAnchor.ConstraintEqualTo(Superview.TopAnchor).Active = true;
WidthAnchor.ConstraintEqualTo(Superview.WidthAnchor).Active = true;
CenterXAnchor.ConstraintEqualTo(Superview.CenterXAnchor).Active = true;
//Actual value is set with bindings a few lines below
heightConstraint.Active = true;
prepareTitleLabel();
LayoutIfNeeded();
}
public override void MovedToSuperview()
{
base.MovedToSuperview();
TopAnchor.ConstraintEqualTo(Superview.TopAnchor).Active = true;
WidthAnchor.ConstraintEqualTo(Superview.WidthAnchor).Active = true;
CenterXAnchor.ConstraintEqualTo(Superview.CenterXAnchor).Active = true;
//Actual value is set with bindings a few lines below
var heightConstraint = HeightAnchor.ConstraintEqualTo(1);
heightConstraint.Active = true;
prepareTitleLabel();
prepareSuggestionViews();
SetNeedsLayout();
LayoutIfNeeded();
this.DelayBind(() =>
{
var heightConverter = new CollectionSizeToHeightConverter <Suggestion>(
emptyHeight: emptyHeight,
heightPerElement: suggestionHeight + distanceBetweenSuggestions,
additionalHeight: distanceAbowTitleLabel
+ distanceBelowTitleLabel
+ (float)titleLabel.Frame.Height
);
heightConverter.MaxCollectionSize = suggestionViews.Count;
var bindingSet = this.CreateBindingSet <SuggestionsView, SuggestionsViewModel>();
bindingSet.Bind(this)
.For(v => v.BindVisibility())
.To(vm => vm.IsEmpty);
bindingSet.Bind(heightConstraint)
.For(c => c.BindConstant())
.To(vm => vm.Suggestions)
.WithConversion(heightConverter);
for (int i = 0; i < suggestionViews.Count; i++)
{
bindingSet.Bind(suggestionViews[i])
.For(v => v.Suggestion)
.To(vm => vm.Suggestions[i]);
}
bindingSet.Apply();
});
}
protected virtual void ConstrainInParent()
{
BottomConstraint =
BottomAnchor.ConstraintEqualToAnchor(ParentView.BottomAnchor, -Snackbar.Layout.MarginBottom);
BottomConstraint.Active = true;
TopConstraint =
TopAnchor.ConstraintGreaterThanOrEqualToAnchor(ParentView.TopAnchor, Snackbar.Layout.MarginTop);
TopConstraint.Active = true;
LeadingConstraint =
LeadingAnchor.ConstraintGreaterThanOrEqualToAnchor(ParentView.LeadingAnchor,
Snackbar.Layout.MarginLeading);
TrailingConstraint =
TrailingAnchor.ConstraintGreaterThanOrEqualToAnchor(ParentView.TrailingAnchor,
-Snackbar.Layout.MarginTrailing);
CenterXConstraint = CenterXAnchor.ConstraintEqualToAnchor(ParentView.CenterXAnchor);
NSLayoutConstraint.ActivateConstraints(new[] { LeadingConstraint, TrailingConstraint, CenterXConstraint });
}
