Eric_heightForRow

    func rowHeightForRowWithIndexPath(indexPath: NSIndexPath) -> CGFloat {
        var identifier = self.segmentBar.selectedSegmentIndex == 0 ? "DataCellDefault" : "DataCellExcerpt"
        let cell = tableView.dequeueReusableCellWithIdentifier(identifier) as DataTableViewCell
        
        let dataItem = self.data[indexPath.section]
        var result = CGFloat(0)
        var sideMargin = CGFloat(8)
        var screenWidth = UIScreen.mainScreen().bounds.width
        var labelWidth = screenWidth - (2 * sideMargin)
    
        if dataItem.imageUrl == "" {
            
            result += sideMargin
            
            if let postTitleLabel = cell.viewWithTag(101) as? UILabel {
                postTitleLabel.text = dataItem.postTitle
                result += postTitleLabel.sizeThatFits(CGSizeMake(labelWidth, CGFloat(FLT_MAX))).height
                result += 2
            }
            
            if let authorNameLabel = cell.viewWithTag(102) as? UILabel {
                authorNameLabel.text = dataItem.authorName
                result += authorNameLabel.sizeThatFits(CGSizeMake(labelWidth, CGFloat(FLT_MAX))).height
                result += sideMargin + 1
            }
            
        }
        else {
            result = cell.imageViewWidth
        }
        
        if self.segmentBar.selectedSegmentIndex == 1 {
            if let excerptLabel = cell.viewWithTag(104) as? UILabel {
                excerptLabel.text = dataItem.excerpt
                result += 5
                result += excerptLabel.sizeThatFits(CGSizeMake(labelWidth, CGFloat(FLT_MAX))).height
                result += 3
            }
        }
        
        return result
    }