Reputation: 1436
I'm trying to make a Query with a Pointer in Parse. I have two classes "Discover" and "DiscoveryDetails". I want to get the discovery details of an object that's picked from the discovery class.
DiscoveryDetails Class - with the discoverID as the pointer.
The discovery objects are displayed in a DiscoveryTableView and on selecting one of the items, I want to query the objects of with an ID related to that selection in a DiscoveryDetailsTableView.
The DiscoveryTableView shows the objects as they appear in the class but the DiscoveryDetailsTableView shows all the objects instead of those related to the Cell I selected.
This is my didSelectRowAtIndexPath Code in the DiscoveryTableView:
override func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {
tableView.deselectRowAtIndexPath(indexPath, animated: true)
let mainStoryboard = UIStoryboard(name: "Discovery", bundle: nil)
let discoveryDetailView = mainStoryboard.instantiateViewControllerWithIdentifier("discoveryDetailTVC") as! DiscoveryDetailTableViewController
let object = self.objectAtIndexPath(indexPath)
discoveryDetailView.titleString = object?.objectForKey("workoutName") as! String
discoveryDetailView.describtionString = object?.objectForKey("workoutDetails") as! String
discoveryDetailView.numberOfWorkouts = object?.objectForKey("numberOfWorkouts") as! Int
discoveryDetailView.imageFile1 = object?.objectForKey("image1") as! PFFile
discoveryDetailView.imageFile2 = object?.objectForKey("image2") as! PFFile
discoveryDetailView.imageFile3 = object?.objectForKey("image3") as! PFFile
let row = indexPath.row //we know that sender is an NSIndexPath here.
let selectedObj = objects![row] // some var where you hold your data
discoveryDetailView.varInDDT = selectedObj
self.navigationController?.pushViewController(discoveryDetailView, animated: true)
}
In my DiscoveryDetailsTableView I have this code:
var titleString: String!
var describtionString: String!
var numberOfWorkouts: Int!
var imageFile1: PFFile!
var imageFile2: PFFile!
var imageFile3: PFFile!
var varInDDT : PFObject?
//MARK: Query for Table with the details
override func queryForTable() -> PFQuery {
let discoveryQuery = PFQuery(className: "DiscoveryDetails")
discoveryQuery.cachePolicy = .CacheElseNetwork
discoveryQuery.whereKey("discoveryID", equalTo: PFObject(withoutDataWithClassName: "Discovery", objectId: "\(varInDDT!.objectId!)"))
discoveryQuery.orderByDescending("createdAt")
return discoveryQuery
}
override func viewDidLoad() {
super.viewDidLoad()
//Header Display
let imagesArray = [imageFile1, imageFile2, imageFile3]
let imagePicked = randomIntergerInRange(0, high: imagesArray.count)
titleLabel.text = titleString.uppercaseString
self.subtitleLabel.text = describtionString
self.numberOfWorkoutsLabel.text = "\(numberOfWorkouts!) Workouts"
//Pick a random Image from the Images
imagesArray[imagePicked].getDataInBackgroundWithBlock({ (imageData, error) -> Void in
if error == nil
{
if let imageData = imageData
{
let image = UIImage(data:imageData)
self.backgroundImage.image = image
}
}
})
...
}
override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath, object: PFObject?) -> PFTableViewCell? {
var discoveryDetailItemsCell:DiscoveryDetailTableViewCell! = tableView.dequeueReusableCellWithIdentifier("DiscoveryDetailTableViewCell") as? DiscoveryDetailTableViewCell
...
discoveryDetailItemsCell.titleLabel.text = object?.objectForKey("exerciseName") as? String
discoveryDetailItemsCell.titleLabel.textColor = UIColor.whiteColor()
discoveryDetailItemsCell.durationAndSetsLabel.text = "\((object?.objectForKey("durationOrSets"))!)"
discoveryDetailItemsCell.minAndSetLabel.text = "mins"
...
return discoveryDetailItemsCell
}
There may be similar questions out there but I have not found anything that answers this or I am probably not seeing my mistake clearly.
Thanks for the help in advance. :)
Upvotes: 0
Views: 259
Reputation: 2182
for query with pointer U have to use query like that
let discoveryQuery = PFQuery(className: "DiscoveryDetails")
discoveryQuery.cachePolicy = .CacheElseNetwork
discoveryQuery.whereKey("discoveryID", equalTo: PFObject(withoutDataWithClassName: "Discovery", objectId: "\(varInDDT!.objectId!)"))
discoveryQuery.orderByDescending("createdAt")
return discoveryQuery
for downloading the detail you have to pass at least ID of the object you want to download from the first viewController to the second or you can pass the whole PFObject
DiscoveryTableView
override func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {
self.performSegueWithIdentifier("showDetail", sender: indexPath)
}
override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
if(segue.identifier == "showDetail"){ // define the segue Name
let controller = (segue.destinationViewController as! DiscoveryDetailTableViewController)
let row = sender!.row //we know that sender is an NSIndexPath here.
let selectedObj = discoveryObjects[row] // some var where you hold your data
controller.varInDDT = selectedObj
}
}
and define the var of PFObject in detailVC
DiscoveryDetailTableViewController
var varInDDT : PFObject?
Upvotes: 1