/
UIViewController+QuickAlert.swift
221 lines (186 loc) · 8.89 KB
/
UIViewController+QuickAlert.swift
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//
// UIViewController+QuickAlert.swift
// MTSR
//
// Created by Derrick Walker on 2/19/15.
//
//
import Foundation
import UIKit
extension UIViewController {
// MARK: Defines
typealias OptionalClosure = (() -> Void)?
// MARK: UIAlert Methods
func showMessage(message: String) {
self.showMessage(message,
title: nil,
style: .Alert,
buttonCancelText: "OK",
button1Text: nil,
button2Text: nil,
button3Text: nil,
button4Text: nil,
cancelAction: nil,
button1Action: nil,
button2Action: nil,
button3Action: nil,
button4Action: nil)
}
func showMessage(message: String?, title: String?) {
self.showMessage(message,
title: title,
style: .Alert,
buttonCancelText: "OK",
button1Text: nil,
button2Text: nil,
button3Text: nil,
button4Text: nil,
cancelAction: nil,
button1Action: nil,
button2Action: nil,
button3Action: nil,
button4Action: nil)
}
func showMessage(message: String?, title: String?, buttonText: String?, buttonAction: OptionalClosure) {
self.showMessage(message,
title: title,
style: .Alert,
buttonCancelText: buttonText,
button1Text: nil,
button2Text: nil,
button3Text: nil,
button4Text: nil,
cancelAction: buttonAction,
button1Action: nil,
button2Action: nil,
button3Action: nil,
button4Action: nil)
}
func showMessage(message: String?, title: String?, buttonCancelText: String?, buttonText: String?, buttonCancelAction: OptionalClosure, buttonAction: OptionalClosure) {
self.showMessage(message,
title: title,
style: .Alert,
buttonCancelText: buttonCancelText,
button1Text: buttonText,
button2Text: nil,
button3Text: nil,
button4Text: nil,
cancelAction: buttonCancelAction,
button1Action: buttonAction,
button2Action: nil,
button3Action: nil,
button4Action: nil)
}
func showMessage(message: String?, title: String?, buttonCancelText: String?, button1Text: String?, button2Text: String?, buttonCancelAction: OptionalClosure, button1Action: OptionalClosure, button2Action: OptionalClosure) {
self.showMessage(message,
title: title,
style: .Alert,
buttonCancelText: buttonCancelText,
button1Text: button1Text,
button2Text: button2Text,
button3Text: nil,
button4Text: nil,
cancelAction: buttonCancelAction,
button1Action: button1Action,
button2Action: button2Action,
button3Action: nil,
button4Action: nil)
}
func showMessage(message: String?, title: String?, buttonCancelText: String?, button1Text: String?, button2Text: String?, button3Text: String?, buttonCancelAction: OptionalClosure, button1Action: OptionalClosure, button2Action: OptionalClosure, button3Action: OptionalClosure) {
self.showMessage(message,
title: title,
style: .Alert,
buttonCancelText: buttonCancelText,
button1Text: button1Text,
button2Text: button2Text,
button3Text: button3Text,
button4Text: nil,
cancelAction: buttonCancelAction,
button1Action: button1Action,
button2Action: button2Action,
button3Action: button3Action,
button4Action: nil)
}
func showMessage(message: String?, title: String?, buttonCancelText: String?, button1Text: String?, button2Text: String?, button3Text: String?, button4Text: String?, buttonCancelAction: OptionalClosure, button1Action : OptionalClosure, button2Action: OptionalClosure, button3Action: OptionalClosure, button4Action: OptionalClosure) {
self.showMessage(message,
title: title,
style: .Alert,
buttonCancelText: buttonCancelText,
button1Text: button1Text,
button2Text: button2Text,
button3Text: button3Text,
button4Text: button4Text,
cancelAction: buttonCancelAction,
button1Action: button1Action,
button2Action: button2Action,
button3Action: button3Action,
button4Action: button4Action);
}
// MARK: Private Methods
private func showMessage(message: String?, title: String?, style: UIAlertControllerStyle, buttonCancelText: String?, buttonDestructiveText: String? = nil, button1Text: String?, button2Text: String?, button3Text: String?, button4Text: String?, cancelAction: OptionalClosure, destructiveAction: OptionalClosure = nil, button1Action: OptionalClosure, button2Action: OptionalClosure, button3Action: OptionalClosure, button4Action: OptionalClosure) {
let currentVersion = UIDevice.currentDevice().systemVersion as NSString
if currentVersion.floatValue < 8 {
QuickAlert.showMessage(message, withTitle: title, buttonCancel: buttonCancelText, button1: button1Text, button2: button2Text, button3: button3Text, button4: button4Text, cancelBlock: cancelAction, action1Block: button1Action, action2Block: button2Action, action3Block: button3Action, action4Block: button4Action)
} else {
func createAlertAction(title: String, style: UIAlertActionStyle, handler: OptionalClosure) -> UIAlertAction {
func createAlertActionHandler(action: OptionalClosure) -> (UIAlertAction!) -> Void {
var alertAction: (UIAlertAction!) -> Void = {
(UIAlertAction) -> Void in
if action != nil {
action!()
}
}
return alertAction
}
return UIAlertAction(title: title, style: style, handler: createAlertActionHandler(handler))
}
var actionsArray = Array<UIAlertAction>()
if buttonCancelText != nil {
actionsArray.append(createAlertAction(buttonCancelText!, .Cancel, cancelAction))
}
if buttonDestructiveText != nil {
actionsArray.append(createAlertAction(buttonDestructiveText!, .Destructive, destructiveAction))
}
if button1Text != nil {
actionsArray.append(createAlertAction(button1Text!, .Default, button1Action))
}
if button2Text != nil {
actionsArray.append(createAlertAction(button2Text!, .Default, button2Action))
}
if button3Text != nil {
actionsArray.append(createAlertAction(button3Text!, .Default, button3Action))
}
if button4Text != nil {
actionsArray.append(createAlertAction(button4Text!, .Default, button4Action))
}
self.showAlert(title, message: message, style: style, actions: actionsArray)
}
}
private func showAlert(title: String?, message: String?, style: UIAlertControllerStyle, actions: [UIAlertAction]) {
self.showAlert(title: title, message: message, style: style, animated: true, completion: nil, actions: actions)
}
private func showAlert(#title: String?, message: String?, style: UIAlertControllerStyle, animated: Bool, completion: (() -> Void)?, actions: [UIAlertAction]) {
if (title == nil && message == nil && style == .Alert) {
return;
}
var alertController = UIAlertController(title: title, message: message, preferredStyle: style)
for action in actions {
alertController.addAction(action)
}
self.presentViewController(alertController, animated: animated, completion: completion)
}
private func showAlert(#title: String?, message: String?, animated: Bool, completion: (() -> Void)?, actions: UIAlertAction?...) {
if (title == nil && message == nil) {
return;
}
var alertController = UIAlertController(title: title, message: message, preferredStyle: UIAlertControllerStyle.Alert)
for action in actions {
if let _action = action {
alertController.addAction(_action)
} else {
alertController.addAction(UIAlertAction(title: "OK", style: .Default, handler: nil))
}
}
self.presentViewController(alertController, animated: animated, completion: completion)
}
}