Reputation: 551
I am trying to implement a custom table view which has different types of cells: type A and type B. All of my cells should be of type A, except for one that will be of type B. Whenever the users selects a cell, this one changes to type B.
My code is the following one:
func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
let row = indexPath.row
if (row == typeBCellIndex) {
// Get Type B cell
let cell = tableView.dequeueReusableCellWithIdentifier(typeBCellIdentifier, forIndexPath: indexPath) as! TypeBTableViewCell
return cell
} else {
// Get Type A cell
let cell = tableView.dequeueReusableCellWithIdentifier(typeACellIdentifier, forIndexPath: indexPath) as! TypeATableViewCell
cell.detailLabel.text = "I am a type A cell"
return cell
}
}
The variable typeBCellIndex is initialised in 0, and this code gives an error when I add a new cell and try to dequeue the cell at index 1.
In Objective-C, as this links indicates, I would check if the cell is nil, and if not create a new instance of the corresponding cell. However, I am not sure if this concept applies to Swift, and in case it does, I don't know how to do it.
Upvotes: 2
Views: 1003
Reputation: 11
declare a variable cellindex before viewdidload method and initialize to 3 or any number
and in tableview design two different cells and assign unique identifier for each
code for tableview is
func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
var cell : UITableViewCell!
var row = indexPath.row
if(row == cellindex){
cell = tableView.dequeueReusableCellWithIdentifier("Cell2", forIndexPath: indexPath) as! UITableViewCell
}else{
cell = tableView.dequeueReusableCellWithIdentifier("Cell1", forIndexPath: indexPath) as! UITableViewCell
}
return cell
}
the cellindex row will be cell2 and other cells are cell1
Upvotes: 1