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feat(auth): auto layout with snapkit, form slide if keyboard ✨
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waosSwift/lib/helpers/Extensions/KeyboardConstraints.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| // | ||
| // KeyboardConstraints.swift | ||
| // snapkitkeyboard | ||
| // | ||
| // Created by Szymon Maślanka on 03/01/2017. | ||
| // Copyright © 2017 Szymon Maślanka. All rights reserved. | ||
| // | ||
|
|
||
| import UIKit | ||
| import SnapKit | ||
|
|
||
| extension ConstraintMakerEditable { | ||
| @discardableResult | ||
| func keyboard(_ shown: Bool, in view: UIView) -> ConstraintMakerEditable { | ||
| switch view.traitCollection.verticalSizeClass { | ||
| case .regular: | ||
| if shown { view.shownRegularConstraints.append(constraint) } else { view.hiddenRegularConstraints.append(constraint) } | ||
| case .compact: | ||
| if shown { view.shownCompactConstraints.append(constraint) } else { view.hiddenCompactConstraints.append(constraint) } | ||
| case .unspecified: break | ||
| } | ||
| return self | ||
| } | ||
| } | ||
|
|
||
| private var ckmShownRegular: UInt8 = 0 | ||
| private var ckmShownCompact: UInt8 = 1 | ||
| private var ckmHiddenRegular: UInt8 = 2 | ||
| private var ckmHiddenCompact: UInt8 = 3 | ||
| extension UIView { | ||
|
|
||
| fileprivate var shownRegularConstraints: [Constraint]! { | ||
| get { return objc_getAssociatedObject(self, &ckmShownRegular) as? [Constraint] ?? [Constraint]() } | ||
| set(newValue) { objc_setAssociatedObject(self, &ckmShownRegular, newValue, objc_AssociationPolicy.OBJC_ASSOCIATION_RETAIN) } | ||
| } | ||
|
|
||
| fileprivate var shownCompactConstraints: [Constraint]! { | ||
| get { return objc_getAssociatedObject(self, &ckmShownCompact) as? [Constraint] ?? [Constraint]() } | ||
| set(newValue) { objc_setAssociatedObject(self, &ckmShownCompact, newValue, objc_AssociationPolicy.OBJC_ASSOCIATION_RETAIN) } | ||
| } | ||
|
|
||
| fileprivate var hiddenRegularConstraints: [Constraint]! { | ||
| get { return objc_getAssociatedObject(self, &ckmHiddenRegular) as? [Constraint] ?? [Constraint]() } | ||
| set(newValue) { objc_setAssociatedObject(self, &ckmHiddenRegular, newValue, objc_AssociationPolicy.OBJC_ASSOCIATION_RETAIN) } | ||
| } | ||
|
|
||
| fileprivate var hiddenCompactConstraints: [Constraint]! { | ||
| get { return objc_getAssociatedObject(self, &ckmHiddenCompact) as? [Constraint] ?? [Constraint]() } | ||
| set(newValue) { objc_setAssociatedObject(self, &ckmHiddenCompact, newValue, objc_AssociationPolicy.OBJC_ASSOCIATION_RETAIN) } | ||
| } | ||
|
|
||
| @objc private dynamic func keyboardWillShow(notification: Notification) { | ||
| let duration = (notification as NSNotification).userInfo![UIResponder.keyboardAnimationDurationUserInfoKey] as! TimeInterval | ||
| let option = (notification as NSNotification).userInfo![UIResponder.keyboardAnimationCurveUserInfoKey] as! NSNumber | ||
|
|
||
| switch traitCollection.verticalSizeClass { | ||
| case .regular: | ||
| hiddenRegularConstraints.forEach { $0.deactivate() } | ||
| shownRegularConstraints.forEach { $0.activate() } | ||
| case .compact: | ||
| hiddenCompactConstraints.forEach { $0.deactivate() } | ||
| shownCompactConstraints.forEach { $0.activate() } | ||
| case .unspecified: break | ||
| } | ||
|
|
||
| UIView.animate(withDuration: duration, delay: 0, | ||
| options: UIView.AnimationOptions(rawValue: option.uintValue), animations: { | ||
| self.layoutIfNeeded() | ||
| }, completion: nil) | ||
| } | ||
|
|
||
| @objc private dynamic func keyboardWillHide(notification: Notification) { | ||
| let duration = (notification as NSNotification).userInfo![UIResponder.keyboardAnimationDurationUserInfoKey] as! TimeInterval | ||
| let option = (notification as NSNotification).userInfo![UIResponder.keyboardAnimationCurveUserInfoKey] as! NSNumber | ||
|
|
||
| switch traitCollection.verticalSizeClass { | ||
| case .regular: | ||
| shownRegularConstraints.forEach { $0.deactivate() } | ||
| hiddenRegularConstraints.forEach { $0.activate() } | ||
| case .compact: | ||
| shownCompactConstraints.forEach { $0.deactivate() } | ||
| hiddenCompactConstraints.forEach { $0.activate() } | ||
| case .unspecified: break | ||
| } | ||
|
|
||
| UIView.animate(withDuration: duration, delay: 0, | ||
| options: UIView.AnimationOptions(rawValue: option.uintValue), animations: { | ||
| self.layoutIfNeeded() | ||
| }, completion: nil) | ||
| } | ||
|
|
||
| func registerAutomaticKeyboardConstraints() { | ||
| NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillShow(notification:)), name: UIResponder.keyboardWillShowNotification, object: nil) | ||
| NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillHide(notification:)), name: UIResponder.keyboardWillHideNotification, object: nil) | ||
| } | ||
| } |
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