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