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Add infinite scrolling and pull to refresh to timeline

This commit is contained in:
Shadowfacts 2018-08-18 17:46:28 -04:00
parent a6f8565ab3
commit 8526613189
Signed by untrusted user: shadowfacts
GPG Key ID: 94A5AB95422746E5
2 changed files with 52 additions and 53 deletions
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6
Tusker/Storyboards/Statuses.storyboard
View File

@ -68,6 +68,12 @@
</tableView>
<navigationItem key="navigationItem" id="SQS-FM-ReS"/>
<simulatedTabBarMetrics key="simulatedBottomBarMetrics"/>
<refreshControl key="refreshControl" opaque="NO" multipleTouchEnabled="YES" contentMode="center" insetsLayoutMarginsFromSafeArea="NO" enabled="NO" contentHorizontalAlignment="center" contentVerticalAlignment="center" id="K3b-fx-67z">
<autoresizingMask key="autoresizingMask"/>
<connections>
<action selector="refreshStatuses:" destination="6nb-nb-cMm" eventType="valueChanged" id="ndM-Yv-ISu"/>
</connections>
</refreshControl>
</tableViewController>
<placeholder placeholderIdentifier="IBFirstResponder" id="5GO-2u-UCr" userLabel="First Responder" sceneMemberID="firstResponder"/>
</objects>

85
Tusker/View Controllers/StatusesTableViewController.swift
View File

@ -20,10 +20,18 @@ class StatusesTableViewController: UITableViewController {
}
}
var newer: RequestRange?
var older: RequestRange?
override func viewWillAppear(_ animated: Bool) {
MastodonController.shared.client.run(Timelines.home()) { result in
guard case let .success(statuses, _) = result else { fatalError() }
guard case let .success(statuses, pagination) = result else { fatalError() }
self.statuses = statuses
self.newer = pagination?.previous
self.older = pagination?.next
DispatchQueue.main.async {
self.tableView.reloadData()
}
}
}
@ -32,14 +40,18 @@ class StatusesTableViewController: UITableViewController {
tableView.rowHeight = UITableView.automaticDimension
tableView.estimatedRowHeight = 140
// Uncomment the following line to preserve selection between presentations
// self.clearsSelectionOnViewWillAppear = false
// Uncomment the following line to display an Edit button in the navigation bar for this view controller.
// self.navigationItem.rightBarButtonItem = self.editButtonItem
}
/*
// MARK: - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
// Get the new view controller using segue.destination.
// Pass the selected object to the new view controller.
}
*/
// MARK: - Table view data source
override func numberOfSections(in tableView: UITableView) -> Int {
@ -47,7 +59,6 @@ class StatusesTableViewController: UITableViewController {
}
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
// #warning Incomplete implementation, return the number of rows
return statuses.count
}
@ -64,50 +75,32 @@ class StatusesTableViewController: UITableViewController {
return cell
}
override func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
if indexPath.row == statuses.count - 1 {
guard let older = older else { return }
/*
// Override to support conditional editing of the table view.
override func tableView(_ tableView: UITableView, canEditRowAt indexPath: IndexPath) -> Bool {
// Return false if you do not want the specified item to be editable.
return true
}
*/
/*
// Override to support editing the table view.
override func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCellEditingStyle, forRowAt indexPath: IndexPath) {
if editingStyle == .delete {
// Delete the row from the data source
tableView.deleteRows(at: [indexPath], with: .fade)
} else if editingStyle == .insert {
// Create a new instance of the appropriate class, insert it into the array, and add a new row to the table view
MastodonController.shared.client.run(Timelines.home(range: older)) { result in
guard case let .success(newStatuses, pagination) = result else { fatalError() }
self.older = pagination?.next
self.statuses.append(contentsOf: newStatuses)
}
}
*/
/*
// Override to support rearranging the table view.
override func tableView(_ tableView: UITableView, moveRowAt fromIndexPath: IndexPath, to: IndexPath) {
}
*/
/*
// Override to support conditional rearranging of the table view.
override func tableView(_ tableView: UITableView, canMoveRowAt indexPath: IndexPath) -> Bool {
// Return false if you do not want the item to be re-orderable.
return true
@IBAction func refreshStatuses(_ sender: Any) {
guard let newer = newer else { return }
MastodonController.shared.client.run(Timelines.home(range: newer)) { result in
guard case let .success(newStatuses, pagination) = result else { fatalError() }
self.newer = pagination?.previous
self.statuses.insert(contentsOf: newStatuses, at: 0)
DispatchQueue.main.async {
self.refreshControl?.endRefreshing()
// maintain the current position in the list (don't scroll to the top)
self.tableView.scrollToRow(at: IndexPath(row: newStatuses.count, section: 0), at: .top, animated: false)
}
}
*/
/*
// MARK: - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
// Get the new view controller using segue.destination.
// Pass the selected object to the new view controller.
}
*/
}