TelegramSwift/Telegram-Mac/CalendarController.swift at master · overtake/TelegramSwift · GitHub

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//
//  CalendarController.swift
//  TelegramMac
//
//  Created by keepcoder on 17/01/2017.
//  Copyright © 2017 Telegram. All rights reserved.
//

import Cocoa
import TGUIKit
import CalendarUtils

class CalendarControllerView : View {

}

private final class CalendarNavigation : NavigationViewController {


}

class CalendarController: GenericViewController<CalendarControllerView> {

    private var navigation:CalendarNavigation!
    private var interactions:CalendarMonthInteractions!
    private let onlyFuture: Bool
    private let lowYear: Int
    private let current: Date
    private let limitedBy: Date?
    override func viewDidLoad() {
        super.viewDidLoad()
        addSubview(navigation.view)
        readyOnce()
    }

    override func viewDidAppear(_ animated: Bool) {
        super.viewDidAppear(animated)

        self.navigation.viewDidAppear(animated)

        self.window?.set(handler: { [weak self] _ -> KeyHandlerResult in
            if let current = self?.navigation.controller as? CalendarMonthController, current.isPrevEnabled, let backAction = self?.interactions.backAction {
                backAction(current.month.month)
            }
            return .invoked
        }, with: self, for: .LeftArrow, priority: .modal)

        self.window?.set(handler: { [weak self] _ -> KeyHandlerResult in
            if let current = self?.navigation.controller as? CalendarMonthController, current.isNextEnabled, let nextAction = self?.interactions.nextAction {
                nextAction(current.month.month)
            }
            return .invoked
        }, with: self, for: .RightArrow, priority: .modal)
    }

    override func viewWillDisappear(_ animated: Bool) {
        super.viewWillDisappear(animated)
        self.navigation.viewWillDisappear(animated)
        self.window?.remove(object: self, for: .LeftArrow)
        self.window?.remove(object: self, for: .RightArrow)
    }

    override func viewDidDisappear(_ animated: Bool) {
        super.viewDidDisappear(animated)
        self.navigation.viewDidDisappear(animated)
    }
    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        self.navigation.viewWillAppear(animated)
    }

    init(_ frameRect:NSRect, _ window: Window, current: Date = Date(), onlyFuture: Bool = false, limitedBy: Date? = nil, lowYear: Int = 2013, canBeNoYear: Bool = false, selectHandler:@escaping (Date)->Void) {
        self.onlyFuture = onlyFuture
        self.current = current
        self.limitedBy = limitedBy
        self.lowYear = lowYear
        super.init(frame: frameRect)
        bar = .init(height: 0)
        self.interactions = CalendarMonthInteractions(lowYear: lowYear, canBeNoYear: canBeNoYear, selectAction: { [weak self] (selected) in
            self?.popover?.hide()
            self?.navigationController?.modal?.close()
            selectHandler(selected)
        }, backAction: { [weak self] date in
            if let strongSelf = self {
                strongSelf.navigation.push(strongSelf.stepMonth(date: CalendarUtils.stepMonth(-1, date: date)), style: .pop)
            }
        }, nextAction: { [weak self] date in
            if let strongSelf = self {
                strongSelf.navigation.push(strongSelf.stepMonth(date: CalendarUtils.stepMonth(1, date: date)), style: .push)
            }
        }, changeYear: { [weak self] year, date in
            if let strongSelf = self {
                strongSelf.navigation.push(strongSelf.stepMonth(date: CalendarUtils.year(Int(year), date: date)), style: .push)
            }
        })

        self.navigation = CalendarNavigation(stepMonth(date: current), window)
        self.navigation._frameRect = frameRect

    }

    func stepMonth(date:Date) -> CalendarMonthController {
        return CalendarMonthController(date, onlyFuture: self.onlyFuture, limitedBy: limitedBy, selectDayAnyway: CalendarUtils.isSameDate(current, date: date, checkDay: false), interactions: interactions, lowYear: self.lowYear)
    }

    override var isAutoclosePopover: Bool {
        return false
    }
}