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Merge pull request #17 from AckeeCZ/jo/new_stuff
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| import Foundation | ||
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| precedencegroup ConditionalAssignmentPrecedence { | ||
| associativity: left | ||
| assignment: true | ||
| higherThan: AssignmentPrecedence | ||
| } | ||
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| infix operator =?: ConditionalAssignmentPrecedence | ||
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| public func =?<T>(variable: inout T, value: T?) { | ||
| if let v = value { | ||
| variable = v | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| import Foundation | ||
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| /// Safe subscript for collections | ||
| public protocol SafeRandomAccessCollection: RandomAccessCollection { | ||
| subscript(safe index: Int) -> Iterator.Element? { get } | ||
| } | ||
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| extension Array: SafeRandomAccessCollection { | ||
| public subscript(safe index: Int) -> Iterator.Element? { | ||
| return indices ~= index ? self[index] : nil | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| import UIKit | ||
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| extension UIImage { | ||
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| // taken from http://stackoverflow.com/questions/10850184/ios-image-get-rotated-90-degree-after-saved-as-png-representation-data | ||
| public func fixedOrientation() -> UIImage { | ||
| guard imageOrientation != .up else { return self } | ||
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| UIGraphicsBeginImageContextWithOptions(size, false, scale) | ||
| draw(in: CGRect(x: 0, y: 0, width: size.width, height: size.height)) | ||
| let normalizedImage = UIGraphicsGetImageFromCurrentImageContext()! | ||
| UIGraphicsEndImageContext() | ||
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| return normalizedImage | ||
| } | ||
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| public func resized(maxDimension: CGFloat) -> UIImage? { | ||
| let isLandscape = size.width > size.height | ||
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| let newSize: CGSize | ||
| if isLandscape { | ||
| newSize = CGSize(width: maxDimension, height: (size.height / size.width) * maxDimension) | ||
| } else { | ||
| newSize = CGSize(width: (size.width / size.height) * maxDimension, height: maxDimension) | ||
| } | ||
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| UIGraphicsBeginImageContextWithOptions(newSize, false, scale) | ||
| draw(in: CGRect(origin: .zero, size: newSize)) | ||
| let newImage = UIGraphicsGetImageFromCurrentImageContext() | ||
| UIGraphicsEndImageContext() | ||
| return newImage | ||
| } | ||
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| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| import UIKit | ||
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| public extension UISearchBar { | ||
| public var textField: UITextField! { return value(forKey: "searchField") as! UITextField } | ||
| } |
30 changes: 30 additions & 0 deletions
30
ACKategories/Classes/UIViewController+SafeAreaCompat.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| import UIKit | ||
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| @available(iOS 9.0, *) | ||
| extension UIViewController { | ||
| private enum Keys { | ||
| static var safeArea: UInt8 = 0 | ||
| } | ||
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| /// Layout guide compatibility extension for iOS 11 safe area | ||
| /// | ||
| /// On iOS 11+ is the same as `view.safeAreaLayoutGuide`. | ||
| /// | ||
| /// On older systems it fallbacks to `topLayoutGuide.bottom` and `bottomLayoutGuide.top`, side constraints are equal to superview. | ||
| public var safeArea: UILayoutGuide { | ||
| if #available(iOS 11.0, *) { | ||
| return view.safeAreaLayoutGuide | ||
| } else { | ||
| if let layoutGuide = objc_getAssociatedObject(self, &Keys.safeArea) as? UILayoutGuide { return layoutGuide } | ||
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| let layoutGuide = UILayoutGuide() | ||
| view.addLayoutGuide(layoutGuide) | ||
| layoutGuide.topAnchor.constraint(equalTo: topLayoutGuide.bottomAnchor).isActive = true | ||
| layoutGuide.bottomAnchor.constraint(equalTo: bottomLayoutGuide.topAnchor).isActive = true | ||
| layoutGuide.leadingAnchor.constraint(equalTo: view.leadingAnchor).isActive = true | ||
| layoutGuide.trailingAnchor.constraint(equalTo: view.trailingAnchor).isActive = true | ||
| objc_setAssociatedObject(self, &Keys.safeArea, layoutGuide, .OBJC_ASSOCIATION_ASSIGN) | ||
| return layoutGuide | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,20 @@ | ||
| import Foundation | ||
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| extension UserDefaults { | ||
| private enum Keys { | ||
| static let deviceID = "ud_device_id_b8cb6644-43fa-4bc4-a4f3-23f9e5d25c8f" | ||
| } | ||
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| public var deviceID: String { | ||
| if let result = string(forKey: Keys.deviceID) { | ||
| return result | ||
| } | ||
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| let newDeviceID = NSUUID().uuidString | ||
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| set(newDeviceID, forKey: Keys.deviceID) | ||
| synchronize() | ||
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| return newDeviceID | ||
| } | ||
| } |
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