CODEWITHSUNDEEP
iosobjective-cuitableviewuitextfield
Marcus
Marcus

Reputation: 522

Add a UITextField that retains its text in a UITableViewCell

How do I achieve a UITableViewCell with a textField in it? Ive been through a few similar questions on StackOverflow, but I find most of them deal with cases where the tableView's display is always constant and the know exactly what values go where. For my implementation the number of section and number of rows per section are determined by the user and could be anything. I have been able to get a textField in the cell but I find any text entered is lost when I scroll the table and the cell disappears from view. This is what i have so far

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    UITableViewCell *cell = [self.myTableView dequeueReusableCellWithIdentifier:@"Cell" forIndexPath:indexPath];

    UITextField *myTextField = [[UITextField alloc]
                          initWithFrame:CGRectMake(215, (cell.contentView.bounds.size.height-30)/2, 60, 30)];

    [myTextField setDelegate: self];
    myTextField.tag = indexPath.section;
    NSLog(@"%ld", (long)myTextField.tag);


    myTextField.placeholder = @"0%";
    myTextField.borderStyle = UITextBorderStyleRoundedRect;

    [cell addSubview:myTextField];

    cell.textLabel.text = self.cellLabels[indexPath.section];
    return cell;
}

I know what the problem is, I just cant figure out a work around. Even if I store everything the user enters in each textField in an array somehow, I cant set the text for each field when it return from being off screen as the cellForRowAtIndexPath gets called again and the textField is redrawn.

This is pretty much what I want, functionality wise. But "Paper1" and "Paper2" may be different sections...

This is pretty much what I want

Upvotes: 0

Views: 128

Answers (1)

CrimsonChris
CrimsonChris

Reputation: 4641

Use a view model. Store the text for each cell in an array and then set the text in cellForRowAtIndexpath. 

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    UITableViewCell *cell = [self.myTableView dequeueReusableCellWithIdentifier:@"Cell" forIndexPath:indexPath];

    UITextField *myTextField = [[UITextField alloc]
                      initWithFrame:CGRectMake(215, (cell.contentView.bounds.size.height-30)/2, 60, 30)];

    [myTextField setDelegate: self];
    myTextField.tag = indexPath.section;
    NSLog(@"%ld", (long)myTextField.tag);

   myTextField.placeholder = @"0%";
   myTextField.borderStyle = UITextBorderStyleRoundedRect;
    myTextField.text = [self textForCellAtIndexPath:indexPath];
    [cell addSubview:myTextField];

    cell.textLabel.text = self.cellLabels[indexPath.section];
    return cell;

}

Upvotes: 1

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