70 lines
2.0 KiB
Swift
70 lines
2.0 KiB
Swift
//
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// ListView.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 list view contains multiple clickable rows.
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public struct ListView<Element>: TermKitWidget where Element: CustomStringConvertible {
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/// The rows.
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var items: [Element]
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/// Execute when a row gets clicked.
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var activate: (Element) -> Void
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/// Initialize the list view.
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/// - Parameters:
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/// - items: The rows.
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/// - activate: Execute when a row gets clicked.
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public init(_ items: [Element], activate: @escaping (Element) -> Void = { _ in }) {
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self.items = items
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self.activate = activate
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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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public func container<Storage>(
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modifiers: [(any AnyView) -> any AnyView],
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type: Storage.Type
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) -> ViewStorage where Storage: AppStorage {
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let list = TermKit.ListView(items: items.map { $0.description })
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setClosure(list: list)
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return .init(list)
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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<Storage>(
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_ storage: ViewStorage,
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modifiers: [(any AnyView) -> any AnyView],
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updateProperties: Bool,
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type: Storage.Type
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) where Storage: AppStorage {
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guard let list = storage.pointer as? TermKit.ListView else {
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return
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}
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setClosure(list: list)
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}
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/// Set the closure executed when the row gets clicked.
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/// - Parameter list: The list view object.
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func setClosure(list: TermKit.ListView) {
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list.activate = { index in
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if let item = items[safe: index] {
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activate(item)
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}
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return false
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}
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}
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}
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