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Базовая модель которая реализует общий протокол CompoundItemProtocol
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class BaseCompoundItem: CompoundItemProtocol { | |
var children: [CompoundItemProtocol] = [] | |
let level: CompoundItemLevel | |
let identifier: String | |
var items: [CompoundItemProtocol] { | |
return children | |
} | |
// инициализация без параметров создает рутовый элемент структуры | |
init() { | |
self.identifier = "root" | |
self.level = .root | |
} | |
init(identifier: String, level: CompoundItemLevel) { | |
self.identifier = identifier | |
self.level = level | |
} | |
func add(_ model: CompoundItemProtocol...) { | |
self.children.append(contentsOf: model) | |
} | |
func remove(_ model: CompoundItemProtocol) { | |
if let index = self.children.index(where: { $0 == model }) { | |
children.remove(at: index) | |
} | |
} | |
} |
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