/// <summary>
/// Constraint height anchor with a constant.
/// </summary>
public static T ConstraintHeightEqualTo <T>(this T view, nfloat constant, LayoutConstraints constraints = default) where T : UIView
{
var heightConstraint = view.HeightAnchor.ConstraintEqualTo(constant);
if (constraints != null)
{
constraints.Height = heightConstraint;
}
heightConstraint.Active = true;
return(view);
}
/// <summary>
/// Constraint width anchor with a constant.
/// </summary>
public static T ConstraintWidthEqualTo <T>(this T view, nfloat constant, LayoutConstraints constraints = default) where T : UIView
{
var widthConstraint = view.WidthAnchor.ConstraintEqualTo(constant);
if (constraints != null)
{
constraints.Width = widthConstraint;
}
widthConstraint.Active = true;
return(view);
}
/// <summary>
/// Constraint centreY anchor to an anchor.
/// </summary>
public static T ConstraintCentreYEqualTo <T>(this T view, NSLayoutYAxisAnchor anchor, nfloat constant = default, LayoutConstraints constraints = default) where T : UIView
{
var centerYConstraint = view.CenterYAnchor.ConstraintEqualTo(anchor, constant);
if (constraints != null)
{
constraints.CenterY = centerYConstraint;
}
centerYConstraint.Active = true;
return(view);
}
/// <summary>
/// Constraint bottom anchor to an anchor.
/// </summary>
public static T ConstraintBottomEqualTo <T>(this T view, NSLayoutYAxisAnchor anchor, nfloat constant = default, LayoutConstraints constraints = default) where T : UIView
{
var bottomConstraint = view.BottomAnchor.ConstraintEqualTo(anchor, -constant);
if (constraints != null)
{
constraints.Bottom = bottomConstraint;
}
bottomConstraint.Active = true;
return(view);
}
/// <summary>
/// Constraint trailing anchor to an anchor.
/// </summary>
public static T ConstraintTrailingEqualTo <T>(this T view, NSLayoutXAxisAnchor anchor, nfloat constant = default, LayoutConstraints constraints = default) where T : UIView
{
var trailingConstraint = view.TrailingAnchor.ConstraintEqualTo(anchor, -constant);
if (constraints != null)
{
constraints.Trailing = trailingConstraint;
}
trailingConstraint.Active = true;
return(view);
}
/// <summary>
/// Constraint top anchor to an anchor.
/// </summary>
public static T ConstraintTopEqualTo <T>(this T view, NSLayoutYAxisAnchor anchor, nfloat constant = default, LayoutConstraints constraints = default) where T : UIView
{
var topConstraint = view.TopAnchor.ConstraintEqualTo(anchor, constant);
if (constraints != null)
{
constraints.Top = topConstraint;
}
topConstraint.Active = true;
return(view);
}
/// <summary>
/// Center in superview by constraining centerX and centerY to superview, respectively.
/// </summary>
public static T AnchorCenter <T>(this T view, UIOffset offset = default, CGSize size = default, LayoutConstraints constraints = default) where T : UIView
{
return(view.ActivateConstaints()
.ConstraintCentreXEqualTo(view.Superview.CenterXAnchor, offset.Horizontal, constraints)
.ConstraintCentreYEqualTo(view.Superview.CenterYAnchor, offset.Vertical, constraints)
.ConstraintWidthEqualTo(size.Width, constraints)
.ConstraintHeightEqualTo(size.Height, constraints));
}
/// <summary>
/// Fill superview by constraining leading, top, trailing and bottom to superview.
/// </summary>
public static T AnchorFill <T>(this T view, UIEdgeInsets edgeInsets = default, LayoutConstraints constraints = default) where T : UIView
{
return(view.ActivateConstaints()
.ConstraintLeadingEqualTo(view.Superview.LeadingAnchor, edgeInsets.Left, constraints)
.ConstraintTopEqualTo(view.Superview.TopAnchor, edgeInsets.Top, constraints)
.ConstraintTrailingEqualTo(view.Superview.TrailingAnchor, edgeInsets.Right, constraints)
.ConstraintBottomEqualTo(view.Superview.BottomAnchor, edgeInsets.Bottom, constraints));
}
/// <summary>
/// Constraint height anchor to an anchor.
/// </summary>
public static T ConstraintHeightEqualTo <T>(this T view, NSLayoutAnchor <NSLayoutDimension> anchor, LayoutConstraints constraints = default) where T : UIView
{
var heightConstraint = view.HeightAnchor.ConstraintEqualTo(anchor);
if (constraints != null)
{
constraints.Height = heightConstraint;
}
heightConstraint.Active = true;
return(view);
}
/// <summary>
/// Constraint width anchor to an anchor.
/// </summary>
public static T ConstraintWidthEqualTo <T>(this T view, NSLayoutAnchor <NSLayoutDimension> anchor, LayoutConstraints constraints = default) where T : UIView
{
var widthConstraint = view.WidthAnchor.ConstraintEqualTo(anchor);
var test = new UIView();
if (constraints != null)
{
constraints.Width = widthConstraint;
}
widthConstraint.Active = true;
return(view);
}
