77 lines
2.5 KiB
Swift
77 lines
2.5 KiB
Swift
//
|
|
// StateWrapper.swift
|
|
// Meta
|
|
//
|
|
// Created by david-swift on 09.06.24.
|
|
//
|
|
|
|
/// A storage for `@State` properties.
|
|
struct StateWrapper: ConvenienceWidget {
|
|
|
|
/// The content.
|
|
var content: () -> Body
|
|
/// The state information (from properties with the `State` wrapper).
|
|
var state: [String: StateProtocol] = [:]
|
|
|
|
/// Initialize a `StateWrapper`.
|
|
/// - Parameter content: The view content.
|
|
init(@ViewBuilder content: @escaping () -> Body) {
|
|
self.content = content
|
|
}
|
|
|
|
/// Initialize a `StateWrapper`.
|
|
/// - Parameters:
|
|
/// - content: The view content.
|
|
/// - state: The state information.
|
|
init(content: @escaping () -> Body, state: [String: StateProtocol]) {
|
|
self.content = content
|
|
self.state = state
|
|
}
|
|
|
|
/// Update a view storage.
|
|
/// - Parameters:
|
|
/// - storage: The view storage.
|
|
/// - modifiers: Modify views before being updated.
|
|
/// - updateProperties: Whether to update properties.
|
|
/// - type: The type of the app storage.
|
|
/// - Returns: The view storage.
|
|
func update<Data>(
|
|
_ storage: ViewStorage,
|
|
modifiers: [(AnyView) -> AnyView],
|
|
updateProperties: Bool,
|
|
type: Data.Type
|
|
) where Data: ViewRenderData {
|
|
var updateProperties = updateProperties
|
|
for property in state {
|
|
if let oldID = storage.state[property.key]?.id {
|
|
StateManager.changeID(old: oldID, new: property.value.id)
|
|
storage.state[property.key]?.id = property.value.id
|
|
}
|
|
if StateManager.getUpdateState(id: property.value.id) {
|
|
updateProperties = true
|
|
StateManager.updatedState(id: property.value.id)
|
|
}
|
|
}
|
|
guard let storage = storage.content[.mainContent]?.first else {
|
|
return
|
|
}
|
|
content().updateStorage(storage, modifiers: modifiers, updateProperties: updateProperties, type: type)
|
|
}
|
|
|
|
/// Get a view storage.
|
|
/// - Parameters:
|
|
/// - modifiers: Modify views before being updated.
|
|
/// - type: The type of the app storage.
|
|
/// - Returns: The view storage.
|
|
func container<Data>(
|
|
modifiers: [(AnyView) -> AnyView],
|
|
type: Data.Type
|
|
) -> ViewStorage where Data: ViewRenderData {
|
|
let content = content().storage(modifiers: modifiers, type: type)
|
|
let storage = ViewStorage(content.pointer, content: [.mainContent: [content]])
|
|
storage.state = state
|
|
return storage
|
|
}
|
|
|
|
}
|