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Merge branch 'master' into gradient-messages
This commit is contained in:
Peter
587
submodules/ItemListUI/Sources/ItemListController.swift
Normal file
587
submodules/ItemListUI/Sources/ItemListController.swift
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@@ -0,0 +1,587 @@
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import Foundation
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import UIKit
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import Display
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import SwiftSignalKit
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import TelegramCore
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import TelegramPresentationData
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import AccountContext
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import ProgressNavigationButtonNode
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public enum ItemListNavigationButtonStyle {
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case regular
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case bold
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case activity
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public var barButtonItemStyle: UIBarButtonItem.Style {
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switch self {
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case .regular, .activity:
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return .plain
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case .bold:
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return .done
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}
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}
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}
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||||
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public enum ItemListNavigationButtonContentIcon {
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case search
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case add
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}
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public enum ItemListNavigationButtonContent: Equatable {
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case none
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case text(String)
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case icon(ItemListNavigationButtonContentIcon)
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}
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public struct ItemListNavigationButton {
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public let content: ItemListNavigationButtonContent
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public let style: ItemListNavigationButtonStyle
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public let enabled: Bool
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public let action: () -> Void
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||||
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public init(content: ItemListNavigationButtonContent, style: ItemListNavigationButtonStyle, enabled: Bool, action: @escaping () -> Void) {
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self.content = content
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self.style = style
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self.enabled = enabled
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self.action = action
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}
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}
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public struct ItemListBackButton: Equatable {
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public let title: String
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public init(title: String) {
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self.title = title
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}
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||||
}
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||||
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public enum ItemListControllerTitle: Equatable {
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case text(String)
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case sectionControl([String], Int)
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}
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public final class ItemListControllerTabBarItem: Equatable {
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let title: String
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let image: UIImage?
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let selectedImage: UIImage?
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let tintImages: Bool
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let badgeValue: String?
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public init(title: String, image: UIImage?, selectedImage: UIImage?, tintImages: Bool = true, badgeValue: String? = nil) {
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self.title = title
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self.image = image
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self.selectedImage = selectedImage
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self.tintImages = tintImages
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self.badgeValue = badgeValue
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}
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public static func ==(lhs: ItemListControllerTabBarItem, rhs: ItemListControllerTabBarItem) -> Bool {
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return lhs.title == rhs.title && lhs.image === rhs.image && lhs.selectedImage === rhs.selectedImage && lhs.tintImages == rhs.tintImages && lhs.badgeValue == rhs.badgeValue
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}
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}
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public struct ItemListControllerState {
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let theme: PresentationTheme
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let title: ItemListControllerTitle
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let leftNavigationButton: ItemListNavigationButton?
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let rightNavigationButton: ItemListNavigationButton?
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let secondaryRightNavigationButton: ItemListNavigationButton?
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let backNavigationButton: ItemListBackButton?
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let tabBarItem: ItemListControllerTabBarItem?
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let animateChanges: Bool
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public init(theme: PresentationTheme, title: ItemListControllerTitle, leftNavigationButton: ItemListNavigationButton?, rightNavigationButton: ItemListNavigationButton?, secondaryRightNavigationButton: ItemListNavigationButton? = nil, backNavigationButton: ItemListBackButton?, tabBarItem: ItemListControllerTabBarItem? = nil, animateChanges: Bool = true) {
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self.theme = theme
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self.title = title
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self.leftNavigationButton = leftNavigationButton
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self.rightNavigationButton = rightNavigationButton
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self.secondaryRightNavigationButton = secondaryRightNavigationButton
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self.backNavigationButton = backNavigationButton
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self.tabBarItem = tabBarItem
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self.animateChanges = animateChanges
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}
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}
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open class ItemListController<Entry: ItemListNodeEntry>: ViewController, KeyShortcutResponder, PresentableController {
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private let state: Signal<(ItemListControllerState, (ItemListNodeState<Entry>, Entry.ItemGenerationArguments)), NoError>
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private var leftNavigationButtonTitleAndStyle: (ItemListNavigationButtonContent, ItemListNavigationButtonStyle)?
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private var rightNavigationButtonTitleAndStyle: [(ItemListNavigationButtonContent, ItemListNavigationButtonStyle)] = []
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private var backNavigationButton: ItemListBackButton?
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private var tabBarItemInfo: ItemListControllerTabBarItem?
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private var navigationButtonActions: (left: (() -> Void)?, right: (() -> Void)?, secondaryRight: (() -> Void)?) = (nil, nil, nil)
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private var segmentedTitleView: ItemListControllerSegmentedTitleView?
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||||
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private var theme: PresentationTheme
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||||
private var strings: PresentationStrings
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||||
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private var validLayout: ContainerViewLayout?
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private var didPlayPresentationAnimation = false
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||||
public private(set) var didAppearOnce = false
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||||
public var didAppear: ((Bool) -> Void)?
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||||
private var isDismissed = false
|
||||
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||||
public var titleControlValueChanged: ((Int) -> Void)?
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||||
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||||
private var tabBarItemDisposable: Disposable?
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||||
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||||
private let _ready = Promise<Bool>()
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||||
override open var ready: Promise<Bool> {
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||||
return self._ready
|
||||
}
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||||
public var experimentalSnapScrollToItem: Bool = false {
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didSet {
|
||||
if self.isNodeLoaded {
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(self.displayNode as! ItemListControllerNode<Entry>).listNode.experimentalSnapScrollToItem = self.experimentalSnapScrollToItem
|
||||
}
|
||||
}
|
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}
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public var enableInteractiveDismiss = false {
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didSet {
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if self.isNodeLoaded {
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(self.displayNode as! ItemListControllerNode<Entry>).enableInteractiveDismiss = self.enableInteractiveDismiss
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||||
}
|
||||
}
|
||||
}
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||||
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public var alwaysSynchronous = false {
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didSet {
|
||||
if self.isNodeLoaded {
|
||||
(self.displayNode as! ItemListControllerNode<Entry>).alwaysSynchronous = self.alwaysSynchronous
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||||
}
|
||||
}
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||||
}
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||||
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public var visibleEntriesUpdated: ((ItemListNodeVisibleEntries<Entry>) -> Void)? {
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didSet {
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if self.isNodeLoaded {
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(self.displayNode as! ItemListControllerNode<Entry>).visibleEntriesUpdated = self.visibleEntriesUpdated
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}
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}
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}
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public var visibleBottomContentOffsetChanged: ((ListViewVisibleContentOffset) -> Void)? {
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didSet {
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if self.isNodeLoaded {
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(self.displayNode as! ItemListControllerNode<Entry>).visibleBottomContentOffsetChanged = self.visibleBottomContentOffsetChanged
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}
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}
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}
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||||
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public var contentOffsetChanged: ((ListViewVisibleContentOffset, Bool) -> Void)? {
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didSet {
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if self.isNodeLoaded {
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(self.displayNode as! ItemListControllerNode<Entry>).contentOffsetChanged = self.contentOffsetChanged
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||||
}
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}
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}
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||||
public var contentScrollingEnded: ((ListView) -> Bool)? {
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didSet {
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if self.isNodeLoaded {
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(self.displayNode as! ItemListControllerNode<Entry>).contentScrollingEnded = self.contentScrollingEnded
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||||
}
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||||
}
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||||
}
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||||
public var searchActivated: ((Bool) -> Void)? {
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didSet {
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if self.isNodeLoaded {
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(self.displayNode as! ItemListControllerNode<Entry>).searchActivated = self.searchActivated
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}
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}
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}
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public var willScrollToTop: (() -> Void)?
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public var reorderEntry: ((Int, Int, [Entry]) -> Void)? {
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didSet {
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if self.isNodeLoaded {
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(self.displayNode as! ItemListControllerNode<Entry>).reorderEntry = self.reorderEntry
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}
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}
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}
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public var previewItemWithTag: ((ItemListItemTag) -> UIViewController?)?
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public var commitPreview: ((UIViewController) -> Void)?
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public var willDisappear: ((Bool) -> Void)?
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public var didDisappear: ((Bool) -> Void)?
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convenience public init(context: AccountContext, state: Signal<(ItemListControllerState, (ItemListNodeState<Entry>, Entry.ItemGenerationArguments)), NoError>, tabBarItem: Signal<ItemListControllerTabBarItem, NoError>? = nil) {
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self.init(sharedContext: context.genericSharedContext, state: state, tabBarItem: tabBarItem)
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}
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convenience public init(sharedContext: SharedAccountContext, state: Signal<(ItemListControllerState, (ItemListNodeState<Entry>, Entry.ItemGenerationArguments)), NoError>, tabBarItem: Signal<ItemListControllerTabBarItem, NoError>? = nil) {
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let presentationData = sharedContext.currentPresentationData.with { $0 }
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self.init(theme: presentationData.theme, strings: presentationData.strings, updatedPresentationData: sharedContext.presentationData |> map { ($0.theme, $0.strings) }, state: state, tabBarItem: tabBarItem)
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}
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public init(theme: PresentationTheme, strings: PresentationStrings, updatedPresentationData: Signal<(theme: PresentationTheme, strings: PresentationStrings), NoError>, state: Signal<(ItemListControllerState, (ItemListNodeState<Entry>, Entry.ItemGenerationArguments)), NoError>, tabBarItem: Signal<ItemListControllerTabBarItem, NoError>?) {
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self.state = state
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self.theme = theme
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self.strings = strings
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super.init(navigationBarPresentationData: NavigationBarPresentationData(theme: NavigationBarTheme(rootControllerTheme: theme), strings: NavigationBarStrings(presentationStrings: strings)))
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self.isOpaqueWhenInOverlay = true
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self.blocksBackgroundWhenInOverlay = true
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self.statusBar.statusBarStyle = theme.rootController.statusBarStyle.style
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self.scrollToTop = { [weak self] in
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self?.willScrollToTop?()
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(self?.displayNode as! ItemListControllerNode<Entry>).scrollToTop()
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}
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if let tabBarItem = tabBarItem {
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self.tabBarItemDisposable = (tabBarItem |> deliverOnMainQueue).start(next: { [weak self] tabBarItemInfo in
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if let strongSelf = self {
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if strongSelf.tabBarItemInfo != tabBarItemInfo {
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strongSelf.tabBarItemInfo = tabBarItemInfo
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strongSelf.tabBarItem.title = tabBarItemInfo.title
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strongSelf.tabBarItem.image = tabBarItemInfo.image
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strongSelf.tabBarItem.selectedImage = tabBarItemInfo.selectedImage
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strongSelf.tabBarItem.badgeValue = tabBarItemInfo.badgeValue
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||||
}
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||||
}
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||||
})
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||||
}
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||||
}
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|
||||
required public init(coder aDecoder: NSCoder) {
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||||
fatalError("init(coder:) has not been implemented")
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||||
}
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||||
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||||
deinit {
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self.tabBarItemDisposable?.dispose()
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}
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override open func loadDisplayNode() {
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let previousControllerState = Atomic<ItemListControllerState?>(value: nil)
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let nodeState = self.state
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|> deliverOnMainQueue
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|> afterNext { [weak self] controllerState, state in
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Queue.mainQueue().async {
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if let strongSelf = self {
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let previousState = previousControllerState.swap(controllerState)
|
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if previousState?.title != controllerState.title {
|
||||
switch controllerState.title {
|
||||
case let .text(text):
|
||||
strongSelf.title = text
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||||
strongSelf.navigationItem.titleView = nil
|
||||
strongSelf.segmentedTitleView = nil
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||||
case let .sectionControl(sections, index):
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||||
strongSelf.title = ""
|
||||
if let segmentedTitleView = strongSelf.segmentedTitleView, segmentedTitleView.segments == sections {
|
||||
segmentedTitleView.index = index
|
||||
} else {
|
||||
let segmentedTitleView = ItemListControllerSegmentedTitleView(segments: sections, index: index, color: controllerState.theme.rootController.navigationBar.accentTextColor)
|
||||
strongSelf.segmentedTitleView = segmentedTitleView
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||||
strongSelf.navigationItem.titleView = strongSelf.segmentedTitleView
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||||
segmentedTitleView.indexUpdated = { index in
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||||
if let strongSelf = self {
|
||||
strongSelf.titleControlValueChanged?(index)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
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||||
strongSelf.navigationButtonActions = (left: controllerState.leftNavigationButton?.action, right: controllerState.rightNavigationButton?.action, secondaryRight: controllerState.secondaryRightNavigationButton?.action)
|
||||
|
||||
if strongSelf.leftNavigationButtonTitleAndStyle?.0 != controllerState.leftNavigationButton?.content || strongSelf.leftNavigationButtonTitleAndStyle?.1 != controllerState.leftNavigationButton?.style {
|
||||
if let leftNavigationButton = controllerState.leftNavigationButton {
|
||||
let item: UIBarButtonItem
|
||||
switch leftNavigationButton.content {
|
||||
case .none:
|
||||
item = UIBarButtonItem(title: "", style: leftNavigationButton.style.barButtonItemStyle, target: strongSelf, action: #selector(strongSelf.leftNavigationButtonPressed))
|
||||
case let .text(value):
|
||||
item = UIBarButtonItem(title: value, style: leftNavigationButton.style.barButtonItemStyle, target: strongSelf, action: #selector(strongSelf.leftNavigationButtonPressed))
|
||||
case let .icon(icon):
|
||||
var image: UIImage?
|
||||
switch icon {
|
||||
case .search:
|
||||
image = PresentationResourcesRootController.navigationCompactSearchIcon(controllerState.theme)
|
||||
case .add:
|
||||
image = PresentationResourcesRootController.navigationAddIcon(controllerState.theme)
|
||||
}
|
||||
item = UIBarButtonItem(image: image, style: leftNavigationButton.style.barButtonItemStyle, target: strongSelf, action: #selector(strongSelf.leftNavigationButtonPressed))
|
||||
}
|
||||
strongSelf.leftNavigationButtonTitleAndStyle = (leftNavigationButton.content, leftNavigationButton.style)
|
||||
strongSelf.navigationItem.setLeftBarButton(item, animated: false)
|
||||
item.isEnabled = leftNavigationButton.enabled
|
||||
} else {
|
||||
strongSelf.leftNavigationButtonTitleAndStyle = nil
|
||||
strongSelf.navigationItem.setLeftBarButton(nil, animated: false)
|
||||
}
|
||||
} else if let barButtonItem = strongSelf.navigationItem.leftBarButtonItem, let leftNavigationButton = controllerState.leftNavigationButton, leftNavigationButton.enabled != barButtonItem.isEnabled {
|
||||
barButtonItem.isEnabled = leftNavigationButton.enabled
|
||||
}
|
||||
|
||||
var rightNavigationButtonTitleAndStyle: [(ItemListNavigationButtonContent, ItemListNavigationButtonStyle, Bool)] = []
|
||||
if let secondaryRightNavigationButton = controllerState.secondaryRightNavigationButton {
|
||||
rightNavigationButtonTitleAndStyle.append((secondaryRightNavigationButton.content, secondaryRightNavigationButton.style, secondaryRightNavigationButton.enabled))
|
||||
}
|
||||
if let rightNavigationButton = controllerState.rightNavigationButton {
|
||||
rightNavigationButtonTitleAndStyle.append((rightNavigationButton.content, rightNavigationButton.style, rightNavigationButton.enabled))
|
||||
}
|
||||
|
||||
var updateRightButtonItems = false
|
||||
if rightNavigationButtonTitleAndStyle.count != strongSelf.rightNavigationButtonTitleAndStyle.count {
|
||||
updateRightButtonItems = true
|
||||
} else {
|
||||
for i in 0 ..< rightNavigationButtonTitleAndStyle.count {
|
||||
if rightNavigationButtonTitleAndStyle[i].0 != strongSelf.rightNavigationButtonTitleAndStyle[i].0 || rightNavigationButtonTitleAndStyle[i].1 != strongSelf.rightNavigationButtonTitleAndStyle[i].1 {
|
||||
updateRightButtonItems = true
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if updateRightButtonItems {
|
||||
strongSelf.rightNavigationButtonTitleAndStyle = rightNavigationButtonTitleAndStyle.map { ($0.0, $0.1) }
|
||||
var items: [UIBarButtonItem] = []
|
||||
var index = 0
|
||||
for (content, style, _) in rightNavigationButtonTitleAndStyle {
|
||||
let item: UIBarButtonItem
|
||||
if case .activity = style {
|
||||
item = UIBarButtonItem(customDisplayNode: ProgressNavigationButtonNode(theme: controllerState.theme))
|
||||
} else {
|
||||
let action: Selector = (index == 0 && rightNavigationButtonTitleAndStyle.count > 1) ? #selector(strongSelf.secondaryRightNavigationButtonPressed) : #selector(strongSelf.rightNavigationButtonPressed)
|
||||
switch content {
|
||||
case .none:
|
||||
item = UIBarButtonItem(title: "", style: style.barButtonItemStyle, target: strongSelf, action: action)
|
||||
case let .text(value):
|
||||
item = UIBarButtonItem(title: value, style: style.barButtonItemStyle, target: strongSelf, action: action)
|
||||
case let .icon(icon):
|
||||
var image: UIImage?
|
||||
switch icon {
|
||||
case .search:
|
||||
image = PresentationResourcesRootController.navigationCompactSearchIcon(controllerState.theme)
|
||||
case .add:
|
||||
image = PresentationResourcesRootController.navigationAddIcon(controllerState.theme)
|
||||
}
|
||||
item = UIBarButtonItem(image: image, style: style.barButtonItemStyle, target: strongSelf, action: action)
|
||||
}
|
||||
}
|
||||
items.append(item)
|
||||
index += 1
|
||||
}
|
||||
strongSelf.navigationItem.setRightBarButtonItems(items, animated: false)
|
||||
index = 0
|
||||
for (_, _, enabled) in rightNavigationButtonTitleAndStyle {
|
||||
items[index].isEnabled = enabled
|
||||
index += 1
|
||||
}
|
||||
} else {
|
||||
for i in 0 ..< rightNavigationButtonTitleAndStyle.count {
|
||||
strongSelf.navigationItem.rightBarButtonItems?[i].isEnabled = rightNavigationButtonTitleAndStyle[i].2
|
||||
}
|
||||
}
|
||||
|
||||
if strongSelf.backNavigationButton != controllerState.backNavigationButton {
|
||||
strongSelf.backNavigationButton = controllerState.backNavigationButton
|
||||
|
||||
if let backNavigationButton = strongSelf.backNavigationButton {
|
||||
strongSelf.navigationItem.backBarButtonItem = UIBarButtonItem(title: backNavigationButton.title, style: .plain, target: nil, action: nil)
|
||||
} else {
|
||||
strongSelf.navigationItem.backBarButtonItem = nil
|
||||
}
|
||||
}
|
||||
|
||||
if strongSelf.theme !== controllerState.theme {
|
||||
strongSelf.theme = controllerState.theme
|
||||
|
||||
strongSelf.navigationBar?.updatePresentationData(NavigationBarPresentationData(theme: NavigationBarTheme(rootControllerTheme: strongSelf.theme), strings: NavigationBarStrings(presentationStrings: strongSelf.strings)))
|
||||
strongSelf.statusBar.statusBarStyle = strongSelf.theme.rootController.statusBarStyle.style
|
||||
|
||||
strongSelf.segmentedTitleView?.color = controllerState.theme.rootController.navigationBar.accentTextColor
|
||||
|
||||
var items = strongSelf.navigationItem.rightBarButtonItems ?? []
|
||||
for i in 0 ..< strongSelf.rightNavigationButtonTitleAndStyle.count {
|
||||
if case .activity = strongSelf.rightNavigationButtonTitleAndStyle[i].1 {
|
||||
items[i] = UIBarButtonItem(customDisplayNode: ProgressNavigationButtonNode(theme: controllerState.theme))!
|
||||
}
|
||||
}
|
||||
strongSelf.navigationItem.setRightBarButtonItems(items, animated: false)
|
||||
}
|
||||
}
|
||||
}
|
||||
} |> map { ($0.theme, $1) }
|
||||
let displayNode = ItemListControllerNode<Entry>(controller: self, navigationBar: self.navigationBar!, updateNavigationOffset: { [weak self] offset in
|
||||
if let strongSelf = self {
|
||||
strongSelf.navigationOffset = offset
|
||||
}
|
||||
}, state: nodeState)
|
||||
displayNode.dismiss = { [weak self] in
|
||||
self?.presentingViewController?.dismiss(animated: true, completion: nil)
|
||||
}
|
||||
displayNode.enableInteractiveDismiss = self.enableInteractiveDismiss
|
||||
displayNode.alwaysSynchronous = self.alwaysSynchronous
|
||||
displayNode.visibleEntriesUpdated = self.visibleEntriesUpdated
|
||||
displayNode.visibleBottomContentOffsetChanged = self.visibleBottomContentOffsetChanged
|
||||
displayNode.contentOffsetChanged = self.contentOffsetChanged
|
||||
displayNode.contentScrollingEnded = self.contentScrollingEnded
|
||||
displayNode.searchActivated = self.searchActivated
|
||||
displayNode.reorderEntry = self.reorderEntry
|
||||
displayNode.listNode.experimentalSnapScrollToItem = self.experimentalSnapScrollToItem
|
||||
displayNode.requestLayout = { [weak self] transition in
|
||||
self?.requestLayout(transition: transition)
|
||||
}
|
||||
self.displayNode = displayNode
|
||||
super.displayNodeDidLoad()
|
||||
self._ready.set((self.displayNode as! ItemListControllerNode<Entry>).ready)
|
||||
}
|
||||
|
||||
override open func containerLayoutUpdated(_ layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
|
||||
super.containerLayoutUpdated(layout, transition: transition)
|
||||
|
||||
self.validLayout = layout
|
||||
|
||||
(self.displayNode as! ItemListControllerNode<Entry>).containerLayoutUpdated(layout, navigationBarHeight: self.navigationInsetHeight, transition: transition)
|
||||
}
|
||||
|
||||
@objc func leftNavigationButtonPressed() {
|
||||
self.navigationButtonActions.left?()
|
||||
}
|
||||
|
||||
@objc func rightNavigationButtonPressed() {
|
||||
self.navigationButtonActions.right?()
|
||||
}
|
||||
|
||||
@objc func secondaryRightNavigationButtonPressed() {
|
||||
self.navigationButtonActions.secondaryRight?()
|
||||
}
|
||||
|
||||
override open func viewDidAppear(_ animated: Bool) {
|
||||
super.viewDidAppear(animated)
|
||||
|
||||
self.viewDidAppear(completion: {})
|
||||
}
|
||||
|
||||
public func viewDidAppear(completion: @escaping () -> Void) {
|
||||
(self.displayNode as! ItemListControllerNode<Entry>).listNode.preloadPages = true
|
||||
|
||||
if let presentationArguments = self.presentationArguments as? ViewControllerPresentationArguments, !self.didPlayPresentationAnimation {
|
||||
self.didPlayPresentationAnimation = true
|
||||
if case .modalSheet = presentationArguments.presentationAnimation {
|
||||
(self.displayNode as! ItemListControllerNode<Entry>).animateIn(completion: {
|
||||
presentationArguments.completion?()
|
||||
completion()
|
||||
})
|
||||
} else {
|
||||
completion()
|
||||
}
|
||||
} else {
|
||||
completion()
|
||||
}
|
||||
|
||||
let firstTime = !self.didAppearOnce
|
||||
self.didAppearOnce = true
|
||||
self.didAppear?(firstTime)
|
||||
}
|
||||
|
||||
override open func viewWillDisappear(_ animated: Bool) {
|
||||
super.viewWillDisappear(animated)
|
||||
|
||||
self.willDisappear?(animated)
|
||||
}
|
||||
|
||||
override open func viewDidDisappear(_ animated: Bool) {
|
||||
super.viewDidDisappear(animated)
|
||||
|
||||
self.didDisappear?(animated)
|
||||
}
|
||||
|
||||
override open func dismiss(completion: (() -> Void)? = nil) {
|
||||
if !self.isDismissed {
|
||||
self.isDismissed = true
|
||||
(self.displayNode as! ItemListControllerNode<Entry>).animateOut(completion: completion)
|
||||
}
|
||||
}
|
||||
|
||||
public func frameForItemNode(_ predicate: (ListViewItemNode) -> Bool) -> CGRect? {
|
||||
var result: CGRect?
|
||||
(self.displayNode as! ItemListControllerNode<Entry>).listNode.forEachItemNode { itemNode in
|
||||
if let itemNode = itemNode as? ListViewItemNode {
|
||||
if predicate(itemNode) {
|
||||
result = itemNode.convert(itemNode.bounds, to: self.displayNode)
|
||||
}
|
||||
}
|
||||
}
|
||||
return result
|
||||
}
|
||||
|
||||
public func forEachItemNode(_ f: (ListViewItemNode) -> Void) {
|
||||
(self.displayNode as! ItemListControllerNode<Entry>).listNode.forEachItemNode { itemNode in
|
||||
if let itemNode = itemNode as? ListViewItemNode {
|
||||
f(itemNode)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public func ensureItemNodeVisible(_ itemNode: ListViewItemNode) {
|
||||
(self.displayNode as! ItemListControllerNode<Entry>).listNode.ensureItemNodeVisible(itemNode)
|
||||
}
|
||||
|
||||
public func afterLayout(_ f: @escaping () -> Void) {
|
||||
(self.displayNode as! ItemListControllerNode<Entry>).afterLayout(f)
|
||||
}
|
||||
|
||||
public func previewingController(from sourceView: UIView, for location: CGPoint) -> (UIViewController, CGRect)? {
|
||||
guard let layout = self.validLayout else {
|
||||
return nil
|
||||
}
|
||||
|
||||
let boundsSize = self.view.bounds.size
|
||||
let contentSize: CGSize
|
||||
if let metrics = DeviceMetrics.forScreenSize(layout.size) {
|
||||
contentSize = metrics.previewingContentSize(inLandscape: boundsSize.width > boundsSize.height)
|
||||
} else {
|
||||
contentSize = boundsSize
|
||||
}
|
||||
|
||||
var selectedNode: ItemListItemNode?
|
||||
let listLocation = self.view.convert(location, to: (self.displayNode as! ItemListControllerNode<Entry>).listNode.view)
|
||||
(self.displayNode as! ItemListControllerNode<Entry>).listNode.forEachItemNode { itemNode in
|
||||
if itemNode.frame.contains(listLocation), let itemNode = itemNode as? ItemListItemNode {
|
||||
selectedNode = itemNode
|
||||
}
|
||||
}
|
||||
if let selectedNode = selectedNode as? (ItemListItemNode & ListViewItemNode), let tag = selectedNode.tag {
|
||||
var sourceRect = selectedNode.view.superview!.convert(selectedNode.frame, to: sourceView)
|
||||
sourceRect.size.height -= UIScreenPixel
|
||||
|
||||
if let controller = self.previewItemWithTag?(tag) {
|
||||
if let controller = controller as? ContainableController {
|
||||
controller.containerLayoutUpdated(ContainerViewLayout(size: contentSize, metrics: LayoutMetrics(), intrinsicInsets: UIEdgeInsets(), safeInsets: UIEdgeInsets(), statusBarHeight: nil, inputHeight: nil, standardInputHeight: 216.0, inputHeightIsInteractivellyChanging: false, inVoiceOver: false), transition: .immediate)
|
||||
}
|
||||
return (controller, sourceRect)
|
||||
} else {
|
||||
return nil
|
||||
}
|
||||
} else {
|
||||
return nil
|
||||
}
|
||||
}
|
||||
|
||||
public func clearItemNodesHighlight(animated: Bool = false) {
|
||||
(self.displayNode as! ItemListControllerNode<Entry>).listNode.clearHighlightAnimated(animated)
|
||||
}
|
||||
|
||||
public func previewingCommit(_ viewControllerToCommit: UIViewController) {
|
||||
self.commitPreview?(viewControllerToCommit)
|
||||
}
|
||||
|
||||
public var keyShortcuts: [KeyShortcut] {
|
||||
return [KeyShortcut(input: UIKeyCommand.inputEscape, action: { [weak self] in
|
||||
if !(self?.navigationController?.topViewController is TabBarController) {
|
||||
_ = self?.navigationBar?.executeBack()
|
||||
}
|
||||
})]
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user