84 lines
1.7 KiB
Swift
84 lines
1.7 KiB
Swift
//
|
|
// Action.swift
|
|
// Delta
|
|
//
|
|
// Created by Riley Testut on 5/18/16.
|
|
// Copyright © 2016 Riley Testut. All rights reserved.
|
|
//
|
|
|
|
import UIKit
|
|
|
|
extension Action
|
|
{
|
|
enum Style
|
|
{
|
|
case Default
|
|
case Cancel
|
|
case Destructive
|
|
case Selected
|
|
}
|
|
}
|
|
|
|
extension Action.Style
|
|
{
|
|
var alertActionStyle: UIAlertActionStyle
|
|
{
|
|
switch self
|
|
{
|
|
case .Default, .Selected: return .Default
|
|
case .Cancel: return .Cancel
|
|
case .Destructive: return .Destructive
|
|
}
|
|
}
|
|
|
|
var previewActionStyle: UIPreviewActionStyle
|
|
{
|
|
switch self
|
|
{
|
|
case .Default, .Cancel: return .Default
|
|
case .Destructive: return .Destructive
|
|
case .Selected: return .Selected
|
|
}
|
|
}
|
|
}
|
|
|
|
struct Action
|
|
{
|
|
let title: String
|
|
let style: Style
|
|
let action: (Action -> Void)?
|
|
|
|
var alertAction: UIAlertAction
|
|
{
|
|
let alertAction = UIAlertAction(title: self.title, style: self.style.alertActionStyle) { (action) in
|
|
self.action?(self)
|
|
}
|
|
return alertAction
|
|
}
|
|
|
|
var previewAction: UIPreviewAction
|
|
{
|
|
let previewAction = UIPreviewAction(title: self.title, style: self.style.previewActionStyle) { (action, viewController) in
|
|
self.action?(self)
|
|
}
|
|
return previewAction
|
|
}
|
|
}
|
|
|
|
// There is no public designated initializer for UIAlertAction or UIPreviewAction, so we cannot add our own convenience init
|
|
// If only there were factory initializers... https://github.com/apple/swift-evolution/pull/247
|
|
/*
|
|
extension UIAlertAction
|
|
{
|
|
convenience init(action: Action)
|
|
{
|
|
}
|
|
}
|
|
|
|
extension UIPreviewAction
|
|
{
|
|
convenience init(action: Action)
|
|
{
|
|
}
|
|
}
|
|
*/ |