How to passing different data on UICollection every time user push the button?

Question

Can you show me how to passing different data on UICollection every time user push the button, each button is for one data and I have three button. I need to know how to passing data by using button as trigger to change the data. This is my code so far:

@IBAction func openNewFilter(sender: AnyObject) {
    self.collectionView.dataSource = self
}
func numberOfSections() -> Int {
    return 2
}

//For the collectionView, number of filters in the section
func collectionView(collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {

    if section == 0 {
        return self.filters.count
    } else if section == 1 {
        println("great")
        return 1
    } else {
        return 0
    }
}

func collectionView(collectionView: UICollectionView, cellForItemAtIndexPath indexPath: NSIndexPath) -> UICollectionViewCell {
    let cell = collectionView.dequeueReusableCellWithReuseIdentifier("FILTER_CELL", forIndexPath: indexPath) as FilterThumbnailCell
    var filterThumbnail = self.filterThumbnails[indexPath.row]
    cell.filterTitle.text = filterThumbnail.filterName
    //Lazy Loading

    if indexPath.section == 0 {
        // set up the standard cell, using the data from the army
        if filterThumbnail.filteredThumbnail != nil {
            cell.imageView.image = filterThumbnail.filteredThumbnail
        } else {
            cell.imageView.image = filterThumbnail.originalThumbnail
            //filterThumbnail is a class instance
            filterThumbnail.generateThumbnail({ (image) -> Void in
                if let cell = collectionView.cellForItemAtIndexPath(indexPath) as? FilterThumbnailCell {
                    cell.imageView.image = image
                }
            })
        }
    } else if indexPath.section == 1 {
        //set up the "+" cell
        println("booya")
    }

    return cell
}

Answer 1

您可以在每个操作中使用不同的内容初始化filterArray ，然后在CollectionView使用它。

Answer 2

You already have your array to load data into Collection view ie self.filters. What you need to do is on press of each button re-initiate your array with new values and then call

        [<Your collectionView> reloadData];

By the way is there any use of Collection View section's as i can see in above code?