122 lines
4.5 KiB
Swift
122 lines
4.5 KiB
Swift
//
|
|
// NavigationSplitView.swift
|
|
// Adwaita
|
|
//
|
|
// Created by david-swift on 24.09.23.
|
|
//
|
|
|
|
import CAdw
|
|
|
|
/// A navigation split view widget.
|
|
public struct NavigationSplitView: AdwaitaWidget {
|
|
|
|
/// The sidebar's content.
|
|
var sidebar: Body
|
|
/// The split view's main content.
|
|
var content: Body
|
|
/// Whether the split view is collapsed.
|
|
var collapsed = false
|
|
/// Whether the content is visible (if the split view is collapsed).
|
|
var showContent: Binding<Bool>?
|
|
|
|
/// The sidebar content's id.
|
|
let sidebarID = "sidebar"
|
|
/// The main content's id.
|
|
let contentID = "content"
|
|
|
|
/// Initialize a navigation split view.
|
|
/// - Parameters:
|
|
/// - sidebar: The sidebar content.
|
|
/// - content: The main content.
|
|
public init(@ViewBuilder sidebar: @escaping () -> Body, @ViewBuilder content: @escaping () -> Body) {
|
|
self.sidebar = sidebar()
|
|
self.content = 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>(
|
|
data: WidgetData,
|
|
type: Data.Type
|
|
) -> ViewStorage where Data: ViewRenderData {
|
|
let splitView = adw_navigation_split_view_new()
|
|
var content: [String: [ViewStorage]] = [:]
|
|
|
|
let sidebar = sidebar.storage(data: data, type: type)
|
|
let label = sidebar.fields[.navigationLabel] as? String ?? ""
|
|
let sidebarPage = adw_navigation_page_new(sidebar.opaquePointer?.cast(), label)
|
|
adw_navigation_split_view_set_sidebar(.init(splitView), sidebarPage?.cast())
|
|
content[sidebarID] = [sidebar]
|
|
|
|
let mainContent = self.content.storage(data: data, type: type)
|
|
let mainLabel = mainContent.fields[.navigationLabel] as? String ?? ""
|
|
let mainPage = adw_navigation_page_new(mainContent.opaquePointer?.cast(), mainLabel)
|
|
adw_navigation_split_view_set_content(.init(splitView), mainPage?.cast())
|
|
content[contentID] = [mainContent]
|
|
|
|
let storage = ViewStorage(splitView?.opaque(), content: content)
|
|
update(storage, data: data, updateProperties: true, type: type)
|
|
|
|
storage.notify(name: "show-content") {
|
|
showContent?.wrappedValue = adw_navigation_split_view_get_show_content(storage.opaquePointer) != 0
|
|
}
|
|
|
|
return storage
|
|
}
|
|
|
|
/// 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,
|
|
data: WidgetData,
|
|
updateProperties: Bool,
|
|
type: Data.Type
|
|
) where Data: ViewRenderData {
|
|
if let storage = storage.content[contentID]?[safe: 0] {
|
|
content
|
|
.updateStorage(storage, data: data, updateProperties: updateProperties, type: type)
|
|
}
|
|
if let storage = storage.content[sidebarID]?[safe: 0] {
|
|
sidebar
|
|
.updateStorage(storage, data: data, updateProperties: updateProperties, type: type)
|
|
}
|
|
guard updateProperties else {
|
|
return
|
|
}
|
|
let collapsed = adw_navigation_split_view_get_collapsed(storage.opaquePointer) != 0
|
|
if collapsed != self.collapsed {
|
|
adw_navigation_split_view_set_collapsed(storage.opaquePointer, self.collapsed.cBool)
|
|
}
|
|
let showContent = adw_navigation_split_view_get_show_content(storage.opaquePointer) != 0
|
|
if let binding = self.showContent, showContent != binding.wrappedValue {
|
|
adw_navigation_split_view_set_show_content(storage.opaquePointer, binding.wrappedValue.cBool)
|
|
}
|
|
}
|
|
|
|
/// Whether the navigation split view is collapsed, meaning in its compact form.
|
|
/// - Parameter collapsed: Whether the view is collapsed.
|
|
/// - Returns: The navigation split view.
|
|
public func collapsed(_ collapsed: Bool) -> Self {
|
|
var newSelf = self
|
|
newSelf.collapsed = collapsed
|
|
return newSelf
|
|
}
|
|
|
|
/// Whether the content view is visible if the split view is collapsed.
|
|
/// - Parameter showContent: Whether the content view is visible.
|
|
/// - Returns: The navigation split view.
|
|
public func showContent(_ showContent: Binding<Bool>) -> Self {
|
|
var newSelf = self
|
|
newSelf.showContent = showContent
|
|
return newSelf
|
|
}
|
|
|
|
}
|