tableview 编辑状态设置

#pragma mark - tableview 编辑状态设置
-(BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath
{
    return YES;
}

- (UITableViewCellEditingStyle)tableView:(UITableView *)tableView
           editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath {
    return UITableViewCellEditingStyleDelete;
}

-(NSString *)tableView:(UITableView *)tableView titleForDeleteConfirmationButtonForRowAtIndexPath:(NSIndexPath *)indexPath
{
    return @"删除";
}

-(void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath
{
    NSLog(@"编辑操作");
    if (editingStyle == UITableViewCellEditingStyleDelete) {
//        NSUInteger row = [indexPath row];
//        [self.dataArray removeObjectAtIndex:row];
        NSMutableDictionary * dics = [self.dataDictionary objectForKey:KEY_SECTION(indexPath.section)];
         CELL_STRUCT * cellstruct = [dics objectForKey:KEY_INDEXPATH(indexPath.section, indexPath.row)];
         PengChanelChat *pcc = (PengChanelChat *)cellstruct.object;
        [[MIChatModel sharedInstance] removeOneChaterNoSignal:[NSString stringWithFormat:@"%@",pcc.m_cid]];
        [dics removeObjectForKey:KEY_INDEXPATH(indexPath.section, indexPath.row)];
        [self.dataDictionary setObject:dics forKey:KEY_SECTION(indexPath.section)];

        [tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath]
                         withRowAnimation:UITableViewRowAnimationAutomatic];
    }
}