Display popover for textfield

gistfile1.txt

- (BOOL)textFieldShouldBeginEditing:(UITextField *)textField
{
    // prevent the start date from manually entering text.
    // instead, we display a popover with a date picker
    if (textField == self.startDateField && self.popover == nil) {        
        [self.view endEditing:NO];
        [self presentDatePickerFromField:textField pickerID:nil];
        return NO;
    }
    
    return YES;
}