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

60 lines
1.6 KiB
Swift

//
// ProgressBar.swift
// TermKitBackend
//
// Created by david-swift on 07.07.2024.
//
import TermKit
/// A simple progress bar view.
public struct ProgressBar: TermKitWidget {
/// The current value.
var value: Double
/// The maximum value.
var max: Double
/// Initialize a progress bar.
/// - Parameters:
/// - value: The current value.
/// - max: The maximum value.
public init(value: Double, max: Double = 1) {
self.value = value
self.max = max
}
/// 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 bar = TermKit.ProgressBar()
bar.fraction = .init(value / max)
return .init(bar)
}
/// 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 {
guard let storage = storage.pointer as? TermKit.ProgressBar, updateProperties else {
return
}
storage.fraction = .init(value / max)
}
}