如何将所选的customTableCellA替换为customTableCellB

Question

如何将所选的customTableCellA替换为customTableCellB

• 我已经有一个使用customTableCellAs的表视图
• 我想在选择customTableCellB时将其替换为customTableCellA。
• customTableCellB比customTableCellA
高50像素

如何正确实施？

Answer 1

试试这个，

创建@property数组NSMutableArray *selectedIndexPathArray并在viewDidLoad中实例化，然后

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
    CGFloat cellHeight = //customTableCellA height
    if ([self.selectedIndexPathArray containsObject:indexPath]) {
         cellHeight = //customTableCellB height
    } else {
         cellHeight = //customTableCellA height
    }
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    ...
    if ([self.selectedIndexPathArray containsObject:indexPath]) {
         //Load customTableCellB
    } else {
         //Load customTableCellA
    }
    //Other code
    ...
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    if ([self.selectedIndexPathArray containsObject:indexPath]) {
         //If you want to remove the selection in second touch, do
         //[self.selectedIndexPathArray removeObject:indexPath];
    } else {
         [self.selectedIndexPathArray addObject:indexPath];
    }
    [tableView beginUpdates];
    [tableView reloadRowsAtIndexPaths:[NSArray arrayWithObjects:indexPath, nil] withRowAnimation:UITableViewRowAnimationNonne]; 
    //Select appropriate UITableViewRowAnimation
    [tableView endUpdates];
}