LayoutElement Protocol Reference
LayoutElement
public protocol LayoutElement : AnyObject, LayoutCoordinateSpace, RectBasedElementProtocol for any layout element
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External representation of layout entity in coordinate space
Declaration
Swift
var frame: CGRect { get set } -
Internal coordinate space of layout entity
Declaration
Swift
var bounds: CGRect { get set } -
Internal space for layout subelements
Declaration
Swift
var layoutBounds: CGRect { get } -
Layout element that maintains this layout entity
Declaration
Swift
var superElement: LayoutElement? { get } -
Entity that represents element in layout time
Declaration
Swift
var inLayoutTime: ElementInLayoutTime { get } -
Removes layout element from hierarchy
Declaration
Swift
func removeFromSuperElement()
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layoutConstraint(for:)Extension methodConvenience getter for constraint element related to this entity
Declaration
Swift
public func layoutConstraint(for anchors: [LayoutAnchor]) -> LayoutConstraintParameters
anchorsArray of anchor constraints
Return Value
Related constraint element
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layoutBlock(with:constraints:)Extension methodConvenience getter for layout block related to this entity
Declaration
Swift
public func layoutBlock(with layout: Layout = Layout.equal, constraints: [LayoutConstraintProtocol]) -> LayoutBlock<Self>Parameters
layoutMain layout for this entity
constraintsArray of related constraint elements
Return Value
Related layout block
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layoutBlock(with:)Extension methodUndocumented
Declaration
Swift
public func layoutBlock(with layout: Layout = Layout.equal) -> LayoutBlock<Self> -
contentLayoutConstraint(for:)Extension methodConvenience getter for constraint that uses internal bounds to constrain, defined in ‘layoutBounds’ property
Declaration
Swift
public func contentLayoutConstraint(for anchors: [LayoutAnchor]) -> ContentLayoutConstraintParameters
anchorsArray of anchor constraints
Return Value
Related constraint element
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layoutConstraint(for:debug:)Extension methodUndocumented
Declaration
Swift
public func layoutConstraint(for anchors: [LayoutAnchor], debug: @escaping ((before: CGRect, after: CGRect), CGRect) -> Void) -> LayoutConstraint
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baselineLayoutConstraint(for:)Extension methodConvenience getter for constraint by baseline position
Declaration
Swift
func baselineLayoutConstraint(for anchors: [LayoutAnchor]) -> LayoutConstraintParameters
anchorsArray of anchor constraints
Return Value
Related constraint element