/*
 Copyright (C) 2024 Rubén Beltrán del Río

 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program. If not, see https://map.tranquil.systems.
 */
import SwiftUI

struct DocumentFocusedValueKey: FocusedValueKey {
  typealias Value = Binding<MapDocument>
}

struct IsSearchingValueKey: FocusedValueKey {
  typealias Value = Binding<Bool>
}

struct SelectedEvolutionValueKey: FocusedValueKey {
  typealias Value = Binding<StageType>
}

struct FileURLValueKey: FocusedValueKey {
  typealias Value = URL
}

extension FocusedValues {
  var document: DocumentFocusedValueKey.Value? {
    get { self[DocumentFocusedValueKey.self] }
    set { self[DocumentFocusedValueKey.self] = newValue }
  }
  var isSearching: IsSearchingValueKey.Value? {
    get { self[IsSearchingValueKey.self] }
    set { self[IsSearchingValueKey.self] = newValue }
  }
  var selectedEvolution: SelectedEvolutionValueKey.Value? {
    get { self[SelectedEvolutionValueKey.self] }
    set { self[SelectedEvolutionValueKey.self] = newValue }
  }
  var fileURL: FileURLValueKey.Value? {
    get { self[FileURLValueKey.self] }
    set { self[FileURLValueKey.self] = newValue }
  }
}