94 lines
3.0 KiB
Swift
94 lines
3.0 KiB
Swift
//
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// ToolbarView.swift
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// Adwaita
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//
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// Created by david-swift on 24.09.23.
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//
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import Libadwaita
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/// A toolbar view widget.
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struct ToolbarView: Widget {
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/// The sidebar's content.
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var content: View
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/// The toolbars.
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var toolbar: () -> Body
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/// Whether the toolbars are bottom toolbars.
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var bottom: Bool
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/// Whether the toolbar is visible.
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var visible: Bool
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/// The identifier of the toolbar content.
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let toolbarID = "toolbar"
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/// Get the container of the toolbar view widget.
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/// - Parameter modifiers: Modify views before being updated.
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/// - Returns: The view storage.
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func container(modifiers: [(View) -> View]) -> ViewStorage {
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let content = content.storage(modifiers: modifiers)
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let view = Libadwaita.ToolbarView(content.view)
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var toolbarContent: [ViewStorage] = []
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for item in toolbar() {
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let storage = item.storage(modifiers: modifiers)
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toolbarContent.append(storage)
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if bottom {
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_ = view.addBottomBar(storage.view)
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} else {
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_ = view.addTopBar(storage.view)
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}
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}
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if bottom {
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view.setRevealBottomBar(visible)
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} else {
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view.setRevealTopBar(visible)
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}
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return .init(view, content: [.mainContent: [content], toolbarID: toolbarContent])
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}
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/// Update the view storage of the toolbar view widget.
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/// - Parameters:
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/// - storage: The view storage.
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/// - modifiers: Modify views before being updated.
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func update(_ storage: ViewStorage, modifiers: [(View) -> View]) {
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if let mainContent = storage.content[.mainContent]?.first {
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content.widget(modifiers: modifiers).update(mainContent, modifiers: modifiers)
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}
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if let toolbar = storage.content[toolbarID] {
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for (index, content) in toolbar.enumerated() {
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self.toolbar()[safe: index]?.updateStorage(content, modifiers: modifiers)
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}
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}
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if let view = storage.view as? Libadwaita.ToolbarView {
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if bottom {
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view.setRevealBottomBar(visible)
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} else {
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view.setRevealTopBar(visible)
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}
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}
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}
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}
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extension View {
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/// Add a top toolbar to the view.
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/// - Parameters:
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/// - toolbar: The toolbar's content.
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/// - visible: Whether the toolbar is visible.
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/// - Returns: A view.
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public func topToolbar(visible: Bool = true, @ViewBuilder _ toolbar: @escaping () -> Body) -> View {
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ToolbarView(content: self, toolbar: toolbar, bottom: false, visible: visible)
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}
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/// Add a bottom toolbar to the view.
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/// - Parameters:
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/// - toolbar: The toolbar's content.
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/// - visible: Whether the toolbar is visible.
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/// - Returns: A view.
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public func bottomToolbar(visible: Bool = true, @ViewBuilder _ toolbar: @escaping () -> Body) -> View {
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ToolbarView(content: self, toolbar: toolbar, bottom: true, visible: visible)
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}
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}
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