IQKeyboardManager/IQKeyboardManagerSwift/Categories/IQNSArray+Sort.swift

//
//  IQNSArray+Sort.swift
// https://github.com/hackiftekhar/IQKeyboardManager
// Copyright (c) 2013-16 Iftekhar Qurashi.
//
// 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.

import Foundation
import UIKit

/**
UIView.subviews sorting category.
*/
internal extension Array where Element: UIView {
    
    ///--------------
    /// MARK: Sorting
    ///--------------
    
    /**
    Returns the array by sorting the UIView's by their tag property.
    */
    func sortedArrayByTag() -> [Element] {
        
        return sorted(by: { (obj1: Element, obj2: Element) -> Bool in
            
            return (obj1.tag < obj2.tag)
        })
    }
    
    /**
    Returns the array by sorting the UIView's by their tag property.
    */
    func sortedArrayByPosition() -> [Element] {
        
        return sorted(by: { (obj1: Element, obj2: Element) -> Bool in
            if obj1.frame.minY != obj2.frame.minY {
                return obj1.frame.minY < obj2.frame.minY
            } else {
                return obj1.frame.minX < obj2.frame.minX
            }
        })
    }
}