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75 lines
4.1 KiB
Swift
75 lines
4.1 KiB
Swift
import Foundation
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import UIKit
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import AsyncDisplayKit
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import SwiftSignalKit
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final class NavigationSplitContainer: ASDisplayNode {
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private var theme: NavigationControllerTheme
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private let masterContainer: NavigationContainer
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private let detailContainer: NavigationContainer
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private let separator: ASDisplayNode
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private var masterControllers: [ViewController] = []
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private var detailControllers: [ViewController] = []
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init(theme: NavigationControllerTheme, controllerRemoved: @escaping (ViewController) -> Void) {
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self.theme = theme
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self.masterContainer = NavigationContainer(controllerRemoved: controllerRemoved)
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self.masterContainer.clipsToBounds = true
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self.detailContainer = NavigationContainer(controllerRemoved: controllerRemoved)
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self.detailContainer.clipsToBounds = true
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self.separator = ASDisplayNode()
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self.separator.backgroundColor = theme.navigationBar.separatorColor
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super.init()
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self.addSubnode(self.masterContainer)
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self.addSubnode(self.detailContainer)
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self.addSubnode(self.separator)
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}
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func updateTheme(theme: NavigationControllerTheme) {
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self.separator.backgroundColor = theme.navigationBar.separatorColor
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}
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func update(layout: ContainerViewLayout, masterControllers: [ViewController], detailControllers: [ViewController], transition: ContainedViewLayoutTransition) {
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let masterWidth = min(max(320.0, floor(layout.size.width / 3.0)), floor(layout.size.width / 2.0))
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let detailWidth = layout.size.width - masterWidth
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transition.updateFrame(node: self.masterContainer, frame: CGRect(origin: CGPoint(), size: CGSize(width: masterWidth, height: layout.size.height)))
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transition.updateFrame(node: self.detailContainer, frame: CGRect(origin: CGPoint(x: masterWidth, y: 0.0), size: CGSize(width: detailWidth, height: layout.size.height)))
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transition.updateFrame(node: self.separator, frame: CGRect(origin: CGPoint(x: masterWidth, y: 0.0), size: CGSize(width: UIScreenPixel, height: layout.size.height)))
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self.masterContainer.update(layout: ContainerViewLayout(size: CGSize(width: masterWidth, height: layout.size.height), metrics: layout.metrics, deviceMetrics: layout.deviceMetrics, intrinsicInsets: layout.intrinsicInsets, safeInsets: layout.safeInsets, statusBarHeight: layout.statusBarHeight, inputHeight: layout.inputHeight, inputHeightIsInteractivellyChanging: layout.inputHeightIsInteractivellyChanging, inVoiceOver: layout.inVoiceOver), canBeClosed: false, controllers: masterControllers, transition: transition)
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self.detailContainer.update(layout: ContainerViewLayout(size: CGSize(width: detailWidth, height: layout.size.height), metrics: layout.metrics, deviceMetrics: layout.deviceMetrics, intrinsicInsets: layout.intrinsicInsets, safeInsets: layout.safeInsets, statusBarHeight: layout.statusBarHeight, inputHeight: layout.inputHeight, inputHeightIsInteractivellyChanging: layout.inputHeightIsInteractivellyChanging, inVoiceOver: layout.inVoiceOver), canBeClosed: true, controllers: detailControllers, transition: transition)
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var controllersUpdated = false
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if self.detailControllers.last !== detailControllers.last {
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controllersUpdated = true
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} else if self.masterControllers.count != masterControllers.count {
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controllersUpdated = true
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} else {
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for i in 0 ..< masterControllers.count {
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if masterControllers[i] !== self.masterControllers[i] {
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controllersUpdated = true
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break
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}
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}
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}
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self.masterControllers = masterControllers
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self.detailControllers = detailControllers
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if controllersUpdated {
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let data = self.detailControllers.last?.customData
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for controller in self.masterControllers {
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controller.updateNavigationCustomData(data, progress: 1.0, transition: transition)
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}
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}
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}
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}
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