public SuggestionsView()
{
TranslatesAutoresizingMaskIntoConstraints = false;
BackgroundColor = UIColor.White;
ClipsToBounds = true;
heightConstraint = HeightAnchor.ConstraintEqualTo(0);
}
public ActionButton()
{
BackgroundColor = ApplicationTheme.ActionBackgroundColor;
SetTitleColor(ApplicationTheme.ActionForegroundColor, UIControlState.Normal);
SetTitleColor(ApplicationTheme.ActionForegroundColor.ColorWithAlpha(0.5f), UIControlState.Disabled);
Layer.CornerRadius = ApplicationTheme.CornerRadius;
HeightAnchor.ConstraintEqualTo(ApplicationTheme.ActionButtonHeight).Active = true;
}
public ToggleButton(string optionKey, bool selected, float width, float height)
{
OptionKey = optionKey;
WidthAnchor.ConstraintEqualTo(width).Active = true;
HeightAnchor.ConstraintEqualTo(height).Active = true;
Layer.CornerRadius = 5;
Selected = selected;
TouchUpInside += (sender, args) => Selected = !Selected;
}
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();
});
}
public override void LayoutSubviews()
{
if (FormsCell == null)
{
return;
}
//This sets the content views frame.
base.LayoutSubviews();
if (CustomCell.IsMeasureOnce && Frame.Width <= _lastWidth && Frame.Height <= _lastHeight)
{
Layout.LayoutChildIntoBoundingRegion(FormsCell,
new Rectangle(0, 0, _lastWidth, _lastHeight));
return;
}
SizeToFit();
Layout.LayoutChildIntoBoundingRegion(FormsCell,
new Rectangle(0, 0, Frame.Width, Frame.Height));
if (_rendererRef == null)
{
return;
}
IVisualElementRenderer renderer;
if (_rendererRef.TryGetTarget(out renderer))
{
renderer.NativeView.Frame = FormsCell.Bounds.ToRectangleF();
}
if (_heightConstraint != null)
{
_heightConstraint.Active = false;
_heightConstraint?.Dispose();
}
_heightConstraint = HeightAnchor.ConstraintEqualTo(Frame.Height);
_heightConstraint.Priority = 999f;
_heightConstraint.Active = true;
_lastWidth = Frame.Width;
_lastHeight = Frame.Height;
}
private void ApplyDimensions()
{
if (Width == 0 && Height == 0)
{
return;
}
TranslatesAutoresizingMaskIntoConstraints = false;
if (Width != 0)
{
WidthAnchor.ConstraintEqualTo(Width).Active = true;
}
if (Height != 0)
{
HeightAnchor.ConstraintEqualTo(Height).Active = true;
}
}
public CustomFloatingactionbutton(ActionButtonView View)
{
_view = View;
SetIcon();
Layer.CornerRadius = (nfloat)_view.HeightRequest / 2;
BackgroundColor = _view.BackgroundColor.ToUIColor();
heightConstraint = HeightAnchor.ConstraintEqualTo((nfloat)View.HeightRequest);
heightConstraint.Active = true;
widthConstraint = WidthAnchor.ConstraintEqualTo((nfloat)View.HeightRequest);
widthConstraint.Active = true;
TouchDown += delegate(object sender, EventArgs e)
{
UIView.Animate(0.1, 0, UIViewAnimationOptions.Autoreverse,
() => { BackgroundColor = View.SelectedColor.ToUIColor(); },
() => { BackgroundColor = View.BackgroundColor.ToUIColor(); });
View.ClickAction();
};
_view.PropertyChanged += _view_PropertyChanged;
}