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Updates to ItemCoordinator to properly support animations driven by B…
…lueprint-backed item content.
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112
Demo/Sources/Demos/Demo Screens/OnTapItemAnimationViewController.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| // | ||
| // OnTapItemAnimationViewController.swift | ||
| // Demo | ||
| // | ||
| // Created by Kyle Van Essen on 3/2/21. | ||
| // Copyright © 2021 Kyle Van Essen. All rights reserved. | ||
| // | ||
|
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| import ListableUI | ||
| import BlueprintUI | ||
| import BlueprintUICommonControls | ||
| import BlueprintUILists | ||
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| final class OnTapItemAnimationViewController : ListViewController { | ||
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| override func configure(list: inout ListProperties) { | ||
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| list.layout = .demoLayout | ||
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| list("items") { section in | ||
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| section += items.map { item in | ||
| Item(item) { item in | ||
| item.selectionStyle = .tappable | ||
| } | ||
| } | ||
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| } | ||
| } | ||
| } | ||
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| fileprivate struct ItemRow : BlueprintItemContent, Equatable { | ||
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| var name : String | ||
| var price : String | ||
| var onTapText : String = "Added" | ||
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| var isShowingPrice : Bool = true | ||
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| var identifier: Identifier<ItemRow> { | ||
| .init(name) | ||
| } | ||
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| func element(with info: ApplyItemContentInfo) -> Element { | ||
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| Row { row in | ||
| row.verticalAlignment = .center | ||
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| row.addFlexible(child: Label(text: self.name) { label in | ||
| label.font = .systemFont(ofSize: 18.0, weight: .semibold) | ||
| }) | ||
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| row.addFlexible(child: Overlay { overlay in | ||
| overlay.add( | ||
| Label(text: self.price) { label in | ||
| label.font = .systemFont(ofSize: 16.0, weight: .semibold) | ||
| } | ||
| .opacity(isShowingPrice ? 1 : 0) | ||
| ) | ||
|
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| overlay.add( | ||
| Label(text: self.onTapText) { label in | ||
| label.font = .systemFont(ofSize: 16.0, weight: .semibold) | ||
| } | ||
| .opacity(isShowingPrice ? 0 : 1) | ||
| ) | ||
| }) | ||
| } | ||
| .inset(uniform: 10.0) | ||
| .box(background: .white(0.95), corners: .rounded(radius: 10)) | ||
| } | ||
|
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| func makeCoordinator( | ||
| actions: CoordinatorActions, | ||
| info: CoordinatorInfo | ||
| ) -> OnTapCoordinator | ||
| { | ||
| OnTapCoordinator(actions: actions, info: info) | ||
| } | ||
| } | ||
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| fileprivate final class OnTapCoordinator : ItemContentCoordinator { | ||
| var actions: ItemRow.CoordinatorActions | ||
| var info: ItemRow.CoordinatorInfo | ||
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| init(actions: ItemRow.CoordinatorActions, info: ItemRow.CoordinatorInfo) { | ||
| self.actions = actions | ||
| self.info = info | ||
| } | ||
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| typealias ItemContentType = ItemRow | ||
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| func wasSelected() { | ||
| self.actions.update { item in | ||
| item.content.isShowingPrice = false | ||
| } | ||
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| self.actions.update(after: 1.0) { item in | ||
| item.content.isShowingPrice = true | ||
| } | ||
| } | ||
| } | ||
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| fileprivate let items : [ItemRow] = [ | ||
| .init(name: "Coffee", price: "$4.00"), | ||
| .init(name: "Cold Brew", price: "$5.00"), | ||
| .init(name: "Espresso", price: "$6.00"), | ||
| .init(name: "Flat White", price: "$5.00"), | ||
| .init(name: "Iced Coffee", price: "$5.00"), | ||
| .init(name: "Latte", price: "$6.00") | ||
| ] |
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