PDF_Office/PDF Office/PDF Master/Class/Common/Reusable/KMReusable.swift

//
//  KMReusable.swift
//  PDF Reader Pro
//
//  Created by tangchao on 2023/12/11.
//

import Foundation

public protocol KMReusable: AnyObject {
    static var identifier: String { get }
    
    static var itemIdentifier: NSUserInterfaceItemIdentifier { get }
}

extension KMReusable {
    public static var identifier: String {
        return String(describing: Self.self)
    }
    
    public static var itemIdentifier: NSUserInterfaceItemIdentifier {
        return NSUserInterfaceItemIdentifier(rawValue: self.identifier)
    }
}

extension KM where Base: NSCollectionView {
    public func register<T: NSCollectionViewItem>(cell: T.Type) where T: KMReusable {
        base.register(cell, forItemWithIdentifier: T.itemIdentifier)
    }
    
    public func dequeueReusableCell<T: NSCollectionViewItem>(for indexPath: IndexPath) -> T where T: KMReusable {
        guard let cell = base.makeItem(withIdentifier: T.itemIdentifier, for: indexPath) as? T else {
            fatalError("Could not dequeue reusable cell with identifier: \(T.itemIdentifier)")
        }
        return cell
    }
}