How do I programmatically implement editing of a UITableViewCell?

Question

Created Apr ’22

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I have a UITableView added as a subview to a UIViewController and I used the built-in editButtonItem with

self.navigationItem.rightBarButtonItem = editButtonItem

Also, after reading other forum threads, I called these functions:

func tableView(_ tableView: UITableView, canEditRowAt indexPath: IndexPath) -> Bool {
    return true
}

override func setEditing(_ editing: Bool, animated: Bool) {
    super.setEditing(editing, animated: true)
    tableview.setEditing(editing, animated: true)
}

When I tap "Edit", it does toggle the red minuses for each cell and it changes to "Done", but I still can't edit the text for the cells. Am I missing something?

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Answer 1

Claude31 OP

Apr ’22

Where did you read that setEditing allowed to change the content ? It is only to remove, insert or move cells in the table.

To do what you want, you need to implement the cell editing func, independently of setEditing.

For instance,

have a button in cell to edit, or
insert such button in a left of rightSwipe on the cell.

Then,

if it is a label: overlay a textField over the label you want to edit,
if it is a textField, when you setEditingOn, enable the textField for user interaction for the textField

self.textField.enabled = true

insert a done button somewhere (or rely on return)
preload with the present label content
when text edited, fill the label with it

And, essential,

don't forget to update your data source.

Get details here: http://www.apeth.com/iOSBook/ch21.html#_table_view_editing

it is objC, but easy to adapt.

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