Access an IBOutlet from another class

Question

I have 2 swift files the one is my HomeViewController and the second is my EventCollectionViewCell. In the second one I have an IBOutlet = informationView :UIView and I want to access this from the HomeViewController.

Is there any way ? Thank you in advance, KS

Answer 1

Well I suppose that in HomeViewController you have a UICollectionView and that acts as a datasource for it, then in your collectionView dataSource you can make:

func collectionView(collectionView: UICollectionView, cellForItemAtIndexPath indexPath: NSIndexPath) -> UICollectionViewCell {

    let cell = collectionView.dequeueReusableCellWithReuseIdentifier("cellIdentifier", forIndexPath: indexPath) as! EventCollectionViewCell

    //Here you can access the IBOulets define in your cell
    cell.informationView.backgroundColor = UIColor.greenColor()

    return cell
}

Edit:

Problem: When you tap on a cell you want to show an Overlay inside the cell.

Solution: You need you data model to maintain the state, if it's active or not (the informationView), suppose that ItemCell is my model (in your case Event can be):

class ItemCell{
    var active:Bool = false
}

In the collectionView:cellForRowAtIndexPath:, you're going to check the current status of your model, and base on that, show or hide that overlay:

func collectionView(collectionView: UICollectionView, cellForItemAtIndexPath indexPath: NSIndexPath) -> UICollectionViewCell {

    let cell = collectionView.dequeueReusableCellWithReuseIdentifier("cellIdentifier", forIndexPath: indexPath) as! EventCollectionViewCell

    let event = self.data[indexPath.row]
    //Here you can access the IBOulets define in your cell
    cell.informationView.hidden = !event.active

    return cell
}

Then as a final step, every time you select a cell (func collectionView(collectionView: UICollectionView, didSelectItemAtIndexPath indexPath: NSIndexPath) method), you're going to update the status of your model:

func collectionView(collectionView: UICollectionView, didSelectItemAtIndexPath indexPath: NSIndexPath){
    let event = self.data[indexPath.row]
    event.active = !event.active
    collectionView.reloadData()
}

Sample Project: https://github.com/Abreu0101/SampleTap