mirror of https://github.com/SnapKit/SnapKit
53 lines
1.2 KiB
Swift
53 lines
1.2 KiB
Swift
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// Operators.swift
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// ExpressiveLayout
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//
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// Created by Jonas Budelmann on 5/06/14.
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// Copyright (c) 2014 Jonas Budelmann. All rights reserved.
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//
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import UIKit
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//TODO spilt into different files
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enum ViewLayoutAttribute {
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case CenterX
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case CenterY
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case Left
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case Right
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case Top
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case Bottom
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case Width
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case Height
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}
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class ViewAttribute {
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weak var view: UIView?
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let attribute: ViewLayoutAttribute
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init(view: UIView, attribute: ViewLayoutAttribute) {
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self.view = view
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self.attribute = attribute
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}
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}
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@infix func + (left: Constraint, right: Any) -> Constraint {
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return left.add(right);
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}
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@infix func == (left: Constraint, right: Any) -> Constraint {
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return left.equalTo(right);
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}
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func installConstraints(constraints: Array<Constraint>) {
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// find common superview
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// create NSLayoutConstraint
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}
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extension UIView {
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var left: Constraint { return SingleConstraint(view: self, attribute: .Left) }
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var right: Constraint { return SingleConstraint(view: self, attribute: .Right) }
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var top: Constraint { return SingleConstraint(view: self, attribute: .Top) }
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var bottom: Constraint { return SingleConstraint(view: self, attribute: .Bottom) }
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}
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