macos-stats/Stats/Modules/Disk/Disk.swift

//
//  Disk.swift
//  Stats
//
//  Created by Serhiy Mytrovtsiy on 01.06.2019.
//  Copyright © 2019 Serhiy Mytrovtsiy. All rights reserved.
//

import Cocoa

class Disk: Module {
    let name: String = "Disk"
    let shortName: String = "SSD"
    var view: NSView = NSView()
    var menu: NSMenuItem = NSMenuItem()
    let defaults = UserDefaults.standard
    var widgetType: WidgetType
    
    var active: Observable<Bool>
    var reader: Reader = DiskReader()
    
    @IBOutlet weak var value: NSTextField!
    
    init() {
        self.active = Observable(defaults.object(forKey: name) != nil ? defaults.bool(forKey: name) : true)
        self.widgetType = defaults.object(forKey: "\(name)_widget") != nil ? defaults.float(forKey: "\(name)_widget") : Widgets.Mini
        
        self.initMenu()
        
        let widget = Mini(frame: NSMakeRect(0, 0, MODULE_WIDTH, MODULE_HEIGHT))
        widget.label = self.shortName
        self.view = widget
    }
    
    func initMenu() {
        menu = NSMenuItem(title: name, action: #selector(toggle), keyEquivalent: "")
        if defaults.object(forKey: name) != nil {
            menu.state = defaults.bool(forKey: name) ? NSControl.StateValue.on : NSControl.StateValue.off
        } else {
            menu.state = NSControl.StateValue.on
        }
        menu.target = self
        menu.isEnabled = true
    }
    
    @objc func toggle(_ sender: NSMenuItem) {
        let state = sender.state != NSControl.StateValue.on
        
        sender.state = sender.state == NSControl.StateValue.on ? NSControl.StateValue.off : NSControl.StateValue.on
        self.defaults.set(state, forKey: name)
        self.active << state
        
        if !state {
            self.stop()
        } else {
            self.start()
        }
    }
}