mirror of https://github.com/SnapKit/SnapKit
107 lines
4.7 KiB
Swift
107 lines
4.7 KiB
Swift
//
|
|
// Snappy
|
|
//
|
|
// Copyright (c) 2011-2014 Masonry Team - https://github.com/Masonry
|
|
//
|
|
// 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.
|
|
|
|
#if os(iOS)
|
|
import UIKit
|
|
#else
|
|
import AppKit
|
|
#endif
|
|
|
|
/**
|
|
* ConstraintMaker is the maker in snappy that gets all constraints kickstarted
|
|
*/
|
|
public class ConstraintMaker {
|
|
public var left: Constraint { return addConstraint(ConstraintAttributes.Left) }
|
|
public var top: Constraint { return addConstraint(ConstraintAttributes.Top) }
|
|
public var right: Constraint { return addConstraint(ConstraintAttributes.Right) }
|
|
public var bottom: Constraint { return addConstraint(ConstraintAttributes.Bottom) }
|
|
public var leading: Constraint { return addConstraint(ConstraintAttributes.Leading) }
|
|
public var trailing: Constraint { return addConstraint(ConstraintAttributes.Trailing) }
|
|
public var width: Constraint { return addConstraint(ConstraintAttributes.Width) }
|
|
public var height: Constraint { return addConstraint(ConstraintAttributes.Height) }
|
|
public var centerX: Constraint { return addConstraint(ConstraintAttributes.CenterX) }
|
|
public var centerY: Constraint { return addConstraint(ConstraintAttributes.CenterY) }
|
|
public var baseline: Constraint { return addConstraint(ConstraintAttributes.Baseline) }
|
|
|
|
public var edges: Constraint { return addConstraint(ConstraintAttributes.Edges) }
|
|
public var size: Constraint { return addConstraint(ConstraintAttributes.Size) }
|
|
public var center: Constraint { return addConstraint(ConstraintAttributes.Center) }
|
|
|
|
init(view: View) {
|
|
self.view = view
|
|
}
|
|
|
|
internal weak var view: View?
|
|
internal var constraints = Array<Constraint>()
|
|
|
|
internal func addConstraint(attributes: ConstraintAttributes) -> Constraint {
|
|
let item = ConstraintItem(object: self.view, attributes: attributes)
|
|
let constraint = Constraint(fromItem: item)
|
|
self.constraints.append(constraint)
|
|
return constraint
|
|
}
|
|
|
|
internal class func makeConstraints(view: View, block: (make: ConstraintMaker) -> ()) {
|
|
#if os(iOS)
|
|
view.setTranslatesAutoresizingMaskIntoConstraints(false)
|
|
#else
|
|
view.translatesAutoresizingMaskIntoConstraints = false
|
|
#endif
|
|
let maker = ConstraintMaker(view: view)
|
|
block(make: maker)
|
|
|
|
var layoutConstraints = LayoutConstraint.layoutConstraintsInstalledOnView(view)
|
|
for constraint in maker.constraints {
|
|
layoutConstraints += constraint.install()
|
|
}
|
|
LayoutConstraint.setLayoutConstraints(layoutConstraints, installedOnView: view)
|
|
}
|
|
|
|
internal class func remakeConstraints(view: View, block: (make: ConstraintMaker) -> ()) {
|
|
#if os(iOS)
|
|
view.setTranslatesAutoresizingMaskIntoConstraints(false)
|
|
#else
|
|
view.translatesAutoresizingMaskIntoConstraints = false
|
|
#endif
|
|
let maker = ConstraintMaker(view: view)
|
|
block(make: maker)
|
|
|
|
var layoutConstraints: Array<LayoutConstraint> = LayoutConstraint.layoutConstraintsInstalledOnView(view)
|
|
for existingLayoutConstraint in layoutConstraints {
|
|
existingLayoutConstraint.constraint?.uninstall()
|
|
}
|
|
layoutConstraints = []
|
|
|
|
for constraint in maker.constraints {
|
|
layoutConstraints += constraint.install()
|
|
}
|
|
LayoutConstraint.setLayoutConstraints(layoutConstraints, installedOnView: view)
|
|
}
|
|
|
|
internal class func removeConstraints(view: View) {
|
|
for existingLayoutConstraint in LayoutConstraint.layoutConstraintsInstalledOnView(view) {
|
|
existingLayoutConstraint.constraint?.uninstall()
|
|
}
|
|
LayoutConstraint.setLayoutConstraints([], installedOnView: view)
|
|
}
|
|
} |