paiai_ios/PaiAi/PaiaiUIKit/Reusable/UIKit/SideViewController/SideViewController.swift

//
//  SideViewController.swift
//  PaiAi
//
//  Created by FFIB on 2018/12/12.
//  Copyright © 2018 FFIB. All rights reserved.
//

import UIKit

open class SideViewController: UIViewController, PresentViewController {

    public var animator: PresentAnimatable = SideAnimator()

    open var animationView: UIView? {
        return nil
    }

    override init(nibName nibNameOrNil: String?, bundle nibBundleOrNil: Bundle?) {
        super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)
        commonInit()
    }

    public required init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
        commonInit()
    }

    override open func viewDidLoad() {
        super.viewDidLoad()
        view.isUserInteractionEnabled = true
        view.backgroundColor = UIColor(gray: 52, alpha: 0)
        configurationGestures()
    }

    private func commonInit() {
        modalPresentationStyle = .custom
        setTransitioningDelegate(self)
    }

    @objc public func disappear() {
        dismiss(animated: true, completion: nil)
    }
}

/// gesture
fileprivate extension SideViewController {
     func configurationGestures() {
        configurationTapGesture()
        configurationSwipeGesture()
    }

    func configurationTapGesture() {
        let tap = UITapGestureRecognizer(target: self, action: #selector(disappear))
        tap.setDelegate(self)
        view.addGestureRecognizer(tap)
    }

     func configurationSwipeGesture() {
        let swipe = UISwipeGestureRecognizer(target: self, action: #selector(disappear))
        swipe.setDelegate(self)
        swipe.direction = .left
        view.addGestureRecognizer(swipe)
    }
}