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Update swift code snippets for PFQueryTableViewController #599

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Mar 13, 2019
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Update swift code snippets for PFQueryTableViewController #599

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104 changes: 52 additions & 52 deletions _includes/ios/user-interface.md
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Original file line number Diff line number Diff line change
Expand Up @@ -502,55 +502,55 @@ The easiest way to understand this class is with an example. This subclass of `P
@end
```
```swift
class SimpleTableViewController : PFQueryTableViewController {

override init(style: UITableViewStyle, className: String?) {
super.init(style: style, className: className)
parseClassName = "Todo"
pullToRefreshEnabled = true
paginationEnabled = true
objectsPerPage = 25
}

required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
parseClassName = "Todo"
pullToRefreshEnabled = true
paginationEnabled = true
objectsPerPage = 25
}

override func queryForTable() -> PFQuery {
let query = PFQuery(className: self.parseClassName!)
class SimpleTableViewController: PFQueryTableViewController {

override init(style: UITableView.Style, className: String?) {
super.init(style: style, className: className)
parseClassName = "Todo"
pullToRefreshEnabled = true
paginationEnabled = true
objectsPerPage = 25
}

// If no objects are loaded in memory, we look to the cache first to fill the table
// and then subsequently do a query against the network.
if self.objects!.count == 0 {
query.cachePolicy = .CacheThenNetwork
}
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
parseClassName = "Todo"
pullToRefreshEnabled = true
paginationEnabled = true
objectsPerPage = 25
}

query.orderByDescending("createdAt")
override func queryForTable() -> PFQuery<PFObject> {
let query = PFQuery(className: self.parseClassName!)

return query
// If no objects are loaded in memory, we look to the cache first to fill the table
// and then subsequently do a query against the network.
if self.objects!.count == 0 {
query.cachePolicy = .cacheThenNetwork
}

override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath, object: PFObject?) -> PFTableViewCell? {
let cellIdentifier = "cell"
query.order(byDescending: "createdAt")

var cell = tableView.dequeueReusableCellWithIdentifier(cellIdentifier) as? PFTableViewCell
if cell == nil {
cell = PFTableViewCell(style: .Subtitle, reuseIdentifier: cellIdentifier)
}
return query
}

// Configure the cell to show todo item with a priority at the bottom
if let object = object {
cell!.textLabel?.text = object["text"] as? String
let priority = object["priority"] as? String
cell!.detailTextLabel?.text = "Priority \(priority)"
}
func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath, object: PFObject?) -> PFTableViewCell? {
let cellIdentifier = "cell"

return cell
var cell = tableView.dequeueReusableCell(withIdentifier: cellIdentifier) as? PFTableViewCell
if cell == nil {
cell = PFTableViewCell(style: .subtitle, reuseIdentifier: cellIdentifier)
}

// Configure the cell to show todo item with a priority at the bottom
if let object = object {
cell!.textLabel?.text = object["text"] as? String
let priority = object["priority"] as? String
cell!.detailTextLabel?.text = "Priority \(String(describing: priority))"
}

return cell
}
}
```
</div>
Expand Down Expand Up @@ -586,21 +586,21 @@ A good starting point to learn more is to look at the [API for the class](http:/
@end
```
```swift
override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath, object: PFObject?) -> PFTableViewCell? {
let identifier = "cell"
func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath, object: PFObject?) -> PFTableViewCell? {
let identifier = "cell"

var cell = tableView.dequeueReusableCellWithIdentifier(identifier) as? PFTableViewCell
if cell == nil {
cell = PFTableViewCell(style: .Default, reuseIdentifier: identifier)
}
var cell = tableView.dequeueReusableCell(withIdentifier: identifier) as? PFTableViewCell
if cell == nil {
cell = PFTableViewCell(style: .default, reuseIdentifier: identifier)
}

if let object = object {
cell?.textLabel?.text = object["title"] as? String
cell?.imageView?.image = UIImage(named: "placeholder.jpg")
cell?.imageView?.file = object["thumbnail"] as? PFFileObject
}
if let object = object {
cell?.textLabel?.text = object["title"] as? String
cell?.imageView?.image = UIImage(named: "placeholder.jpg")
cell?.imageView?.file = object["thumbnail"] as? PFFileObject
}

return cell
return cell
}
```
</div>
Expand Down