Get max mini-cell width

gistfile1.m

// Beta !!

- (NSArray *)widthForData:(NSArray *)dataArray
{
    if ([dataArray count] < 1) return nil;
    
    CGFloat totalWidth = 0.0f;
    
    UIFont *font = [UIFont systemFontOfSize:12.0f];
    
    float maxWidth = 400.0f;
    float minWidth = 20.0f;
    
    int sCount = [[dataArray objectAtIndex:0] count];
    float sSizes[sCount];
    
    for (NSArray *stringArray in dataArray) {
        int idx = 0;
        for (NSString *s in stringArray) {
            CGSize sSize = [s sizeWithFont:font constrainedToSize:CGSizeMake(maxWidth, 20.0f) lineBreakMode:UILineBreakModeTailTruncation];
            float sWidth = sSize.width + 20.0f;
            
            if (sWidth > sSizes[idx]) {
                sSizes[idx] = (sWidth < maxWidth) ? (sWidth > minWidth) ? sWidth : minWidth : maxWidth;
            }
            
            idx++;
        }
    }
    
    NSMutableArray *mA = [NSMutableArray arrayWithCapacity:sCount];
    for (int i=0; i<sCount; i++) {
        totalWidth += sSizes[i];
        [mA addObject:[NSNumber numberWithFloat:sSizes[i]]];
    }
    
    
    //hack
    CGRect tableFrame = self.tableView.frame;
    tableFrame.size.width = (totalWidth + 30.0f);
    self.tableView.frame = tableFrame;
    
    return mA;
}