mirror of
https://github.com/MessageKit/MessageKit.git
synced 2026-02-06 19:03:19 +00:00
Nathan Tannar
80 lines
2.7 KiB
Swift
80 lines
2.7 KiB
Swift
/*
|
|
MIT License
|
|
|
|
Copyright (c) 2017 MessageKit
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in all
|
|
copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
SOFTWARE.
|
|
*/
|
|
|
|
import Foundation
|
|
import UIKit
|
|
|
|
public class NSLayoutConstraintSet {
|
|
|
|
public var top: NSLayoutConstraint?
|
|
public var bottom: NSLayoutConstraint?
|
|
public var left: NSLayoutConstraint?
|
|
public var right: NSLayoutConstraint?
|
|
public var centerX: NSLayoutConstraint?
|
|
public var centerY: NSLayoutConstraint?
|
|
public var width: NSLayoutConstraint?
|
|
public var height: NSLayoutConstraint?
|
|
|
|
public init(top: NSLayoutConstraint? = nil, bottom: NSLayoutConstraint? = nil,
|
|
left: NSLayoutConstraint? = nil, right: NSLayoutConstraint? = nil,
|
|
centerX: NSLayoutConstraint? = nil, centerY: NSLayoutConstraint? = nil,
|
|
width: NSLayoutConstraint? = nil, height: NSLayoutConstraint? = nil) {
|
|
self.top = top
|
|
self.bottom = bottom
|
|
self.left = left
|
|
self.right = right
|
|
self.centerX = centerX
|
|
self.centerY = centerY
|
|
self.width = width
|
|
self.height = height
|
|
}
|
|
|
|
func forEach(_ body: (NSLayoutConstraint) -> Void) {
|
|
let constraints = [top, bottom, left, right, centerX, centerY, width, height]
|
|
for constraint in constraints {
|
|
if let constraint = constraint {
|
|
body(constraint)
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Activates all of the non-nil constraints
|
|
///
|
|
/// - Returns: Self
|
|
@discardableResult
|
|
func activate() -> Self {
|
|
forEach { $0.isActive = true }
|
|
return self
|
|
}
|
|
|
|
/// Deactivates all of the non-nil constraints
|
|
///
|
|
/// - Returns: Self
|
|
@discardableResult
|
|
func deactivate() -> Self {
|
|
forEach { $0.isActive = false }
|
|
return self
|
|
}
|
|
}
|