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[Examples] Fix a couple of examples due to API changes recently #trivial (#267)

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* Fix ASDKGram example

* Fix some more examples

* Convert Swift example to 3.0

* Fix VerticalWithinHorizontalScrolling

* Fix some headers

* Fix some more API changes

* Remove semicolons
This commit is contained in:
Michael Schneider
2017-05-15 09:48:45 -07:00
committed by GitHub
parent 9d84b9e635
commit 299df0aa8c
15 changed files with 149 additions and 153 deletions
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64
examples/Swift/Sample/ViewController.swift
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@@ -4,21 +4,21 @@
//
// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
// LICENSE file in the /ASDK-Licenses directory of this source tree. An additional
// grant of patent rights can be found in the PATENTS file in the same directory.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// Modifications to this file made after 4/13/2017 are: Copyright (c) 2017-present,
// Pinterest, Inc. Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
import UIKit
import AsyncDisplayKit
final class ViewController: ASViewController, ASTableDataSource, ASTableDelegate {
final class ViewController: ASViewController<ASDisplayNode>, ASTableDataSource, ASTableDelegate {
struct State {
var itemCount: Int
@@ -27,15 +27,15 @@ final class ViewController: ASViewController, ASTableDataSource, ASTableDelegate
}
enum Action {
case BeginBatchFetch
case EndBatchFetch(resultCount: Int)
case beginBatchFetch
case endBatchFetch(resultCount: Int)
}
var tableNode: ASTableNode {
return node as! ASTableNode
}
private(set) var state: State = .empty
fileprivate(set) var state: State = .empty
init() {
super.init(node: ASTableNode())
@@ -49,7 +49,7 @@ final class ViewController: ASViewController, ASTableDataSource, ASTableDelegate
// MARK: ASTableNode data source and delegate.
func tableNode(tableNode: ASTableNode, nodeForRowAtIndexPath indexPath: NSIndexPath) -> ASCellNode {
func tableNode(_ tableNode: ASTableNode, nodeForRowAt indexPath: IndexPath) -> ASCellNode {
// Should read the row count directly from table view but
// https://github.com/facebook/AsyncDisplayKit/issues/1159
let rowCount = self.tableNode(tableNode, numberOfRowsInSection: 0)
@@ -66,11 +66,11 @@ final class ViewController: ASViewController, ASTableDataSource, ASTableDelegate
return node
}
func numberOfSectionsInTableNode(tableNode: ASTableNode) -> Int {
func numberOfSections(in tableNode: ASTableNode) -> Int {
return 1
}
func tableNode(tableNode: ASTableNode, numberOfRowsInSection section: Int) -> Int {
func tableNode(_ tableNode: ASTableNode, numberOfRowsInSection section: Int) -> Int {
var count = state.itemCount
if state.fetchingMore {
count += 1
@@ -78,17 +78,17 @@ final class ViewController: ASViewController, ASTableDataSource, ASTableDelegate
return count
}
func tableNode(tableNode: ASTableNode, willBeginBatchFetchWithContext context: ASBatchContext) {
func tableNode(_ tableNode: ASTableNode, willBeginBatchFetchWith context: ASBatchContext) {
/// This call will come in on a background thread. Switch to main
/// to add our spinner, then fire off our fetch.
dispatch_async(dispatch_get_main_queue()) {
DispatchQueue.main.async {
let oldState = self.state
self.state = ViewController.handleAction(.BeginBatchFetch, fromState: oldState)
self.state = ViewController.handleAction(.beginBatchFetch, fromState: oldState)
self.renderDiff(oldState)
}
ViewController.fetchDataWithCompletion { resultCount in
let action = Action.EndBatchFetch(resultCount: resultCount)
let action = Action.endBatchFetch(resultCount: resultCount)
let oldState = self.state
self.state = ViewController.handleAction(action, fromState: oldState)
self.renderDiff(oldState)
@@ -96,7 +96,7 @@ final class ViewController: ASViewController, ASTableDataSource, ASTableDelegate
}
}
private func renderDiff(oldState: State) {
fileprivate func renderDiff(_ oldState: State) {
self.tableNode.performBatchUpdates({
@@ -104,9 +104,9 @@ final class ViewController: ASViewController, ASTableDataSource, ASTableDelegate
let rowCountChange = state.itemCount - oldState.itemCount
if rowCountChange > 0 {
let indexPaths = (oldState.itemCount..<state.itemCount).map { index in
NSIndexPath(forRow: index, inSection: 0)
IndexPath(row: index, section: 0)
}
tableNode.insertRowsAtIndexPaths(indexPaths, withRowAnimation: .None)
tableNode.insertRows(at: indexPaths, with: .none)
} else if rowCountChange < 0 {
assertionFailure("Deleting rows is not implemented. YAGNI.")
}
@@ -115,12 +115,12 @@ final class ViewController: ASViewController, ASTableDataSource, ASTableDelegate
if state.fetchingMore != oldState.fetchingMore {
if state.fetchingMore {
// Add spinner.
let spinnerIndexPath = NSIndexPath(forRow: state.itemCount, inSection: 0)
tableNode.insertRowsAtIndexPaths([ spinnerIndexPath ], withRowAnimation: .None)
let spinnerIndexPath = IndexPath(row: state.itemCount, section: 0)
tableNode.insertRows(at: [ spinnerIndexPath ], with: .none)
} else {
// Remove spinner.
let spinnerIndexPath = NSIndexPath(forRow: oldState.itemCount, inSection: 0)
tableNode.deleteRowsAtIndexPaths([ spinnerIndexPath ], withRowAnimation: .None)
let spinnerIndexPath = IndexPath(row: oldState.itemCount, section: 0)
tableNode.deleteRows(at: [ spinnerIndexPath ], with: .none)
}
}
}, completion:nil)
@@ -128,20 +128,20 @@ final class ViewController: ASViewController, ASTableDataSource, ASTableDelegate
/// (Pretend) fetches some new items and calls the
/// completion handler on the main thread.
private static func fetchDataWithCompletion(completion: (Int) -> Void) {
let time = dispatch_time(DISPATCH_TIME_NOW, Int64(NSTimeInterval(NSEC_PER_SEC) * 1.0))
dispatch_after(time, dispatch_get_main_queue()) {
fileprivate static func fetchDataWithCompletion(_ completion: @escaping (Int) -> Void) {
let time = DispatchTime.now() + Double(Int64(TimeInterval(NSEC_PER_SEC) * 1.0)) / Double(NSEC_PER_SEC)
DispatchQueue.main.asyncAfter(deadline: time) {
let resultCount = Int(arc4random_uniform(20))
completion(resultCount)
}
}
private static func handleAction(action: Action, fromState state: State) -> State {
fileprivate static func handleAction(_ action: Action, fromState state: State) -> State {
var state = state
switch action {
case .BeginBatchFetch:
case .beginBatchFetch:
state.fetchingMore = true
case let .EndBatchFetch(resultCount):
case let .endBatchFetch(resultCount):
state.itemCount += resultCount
state.fetchingMore = false
}