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use WayToUpdateTableView for feedsTableView update

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This commit is contained in:
nixzhu
2015-12-11 16:22:58 +08:00
parent 49f98e3d23
commit 8fd348a6d1
1 changed files with 45 additions and 7 deletions
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Yep/ViewControllers/Feeds/FeedsViewController.swift
+45 -7
View File
@@ -393,6 +393,23 @@ class FeedsViewController: BaseViewController {
}
}
enum WayToUpdateTableView {
case None
case ReloadData
case Insert([NSIndexPath])
var needsLabor: Bool {
switch self {
case .None:
return false
case .ReloadData:
return true
case .Insert:
return true
}
}
}
private var currentPageIndex = 1
private var isFetchingFeeds = false
private func updateFeeds(isLoadMore isLoadMore: Bool = false, finish: (() -> Void)? = nil) {
@@ -447,20 +464,28 @@ class FeedsViewController: BaseViewController {
let newFeeds = feeds
let oldFeeds = strongSelf.feeds
var needReloadData = false
//var needReloadData = false
var wayToUpdateTableView: WayToUpdateTableView = .None
needReloadData = strongSelf.feeds.isEmpty
//needReloadData = strongSelf.feeds.isEmpty
if strongSelf.feeds.isEmpty {
wayToUpdateTableView = .ReloadData
}
if isLoadMore {
let oldFeedsCount = strongSelf.feeds.count
strongSelf.feeds += newFeeds
let newFeedsCount = strongSelf.feeds.count
needReloadData = !newFeeds.isEmpty
//needReloadData = !newFeeds.isEmpty
let indexPaths = Array(oldFeedsCount..<newFeedsCount).map({ NSIndexPath(forRow: $0, inSection: Section.Feed.rawValue) })
wayToUpdateTableView = .Insert(indexPaths)
} else {
strongSelf.feeds = newFeeds
}
if !needReloadData && !newFeeds.isEmpty {
if !wayToUpdateTableView.needsLabor && !newFeeds.isEmpty {
if newFeeds.count == oldFeeds.count {
@@ -470,7 +495,8 @@ class FeedsViewController: BaseViewController {
let oldFeed = oldFeeds[index]
if newFeed.id != oldFeed.id {
needReloadData = true
//needReloadData = true
wayToUpdateTableView = .ReloadData
break
}
@@ -478,13 +504,25 @@ class FeedsViewController: BaseViewController {
}
} else {
needReloadData = true
//needReloadData = true
wayToUpdateTableView = .ReloadData
}
}
if needReloadData {
// if needReloadData {
// println("new feeds, reloadData")
// strongSelf.feedsTableView.reloadData()
// }
switch wayToUpdateTableView {
case .None:
println("no new feeds")
case .ReloadData:
println("new feeds, reloadData")
strongSelf.feedsTableView.reloadData()
case .Insert(let indexPaths):
println("new feeds, Insert")
strongSelf.feedsTableView.insertRowsAtIndexPaths(indexPaths, withRowAnimation: .None)
}
}
}