term-kit-backend/Sources/TermKitBackend/View/Frame.swift

66 lines
2.0 KiB
Swift

//
// Frame.swift
// TermKitBackend
//
// Created by david-swift on 06.07.2024.
//
import TermKit
/// A container which draws a frame around its contents.
public struct Frame: TermKitWidget {
/// The frame's label.
var label: String?
/// The content.
var view: Body
/// Initialize a frame.
/// - Parameters:
/// - label: The frame's label.
/// - content: The content.
public init(_ label: String? = nil, @ViewBuilder content: @escaping () -> Body) {
self.label = label
self.view = content()
}
/// The view storage.
/// - Parameters:
/// - modifiers: Modify views before being updated.
/// - type: The type of the app storage.
/// - Returns: The view storage.
public func container<Data>(
modifiers: [(any AnyView) -> any AnyView],
type: Data.Type
) -> ViewStorage where Data: ViewRenderData {
let frame = TermKit.Frame(label)
let subview = view.storage(modifiers: modifiers, type: type)
if let pointer = subview.pointer as? TermKit.View {
frame.addSubview(pointer)
}
return .init(frame, content: [.mainContent: [subview]])
}
/// Update the stored content.
/// - Parameters:
/// - storage: The storage to update.
/// - modifiers: Modify views before being updated
/// - updateProperties: Whether to update the view's properties.
/// - type: The type of the app storage.
public func update<Data>(
_ storage: ViewStorage,
modifiers: [(any AnyView) -> any AnyView],
updateProperties: Bool,
type: Data.Type
) where Data: ViewRenderData {
if let storage = storage.content[.mainContent]?.first {
view.updateStorage(storage, modifiers: modifiers, updateProperties: updateProperties, type: type)
}
guard let storage = storage.pointer as? TermKit.Frame, updateProperties else {
return
}
storage.title = label
}
}