gistfile1.rb

class MyCustomCell < UITableViewCell

  # This method is used by ProMotion to instantiate cells.
  def initWithStyle(style_name, reuseIdentifier: reuseIdentifier)
    super
     stylish
    self
  end
  
  # A delegate method when the user clicks the Row(it's blue by default)
  def setHighlighted(highlighted, animated: animated)
    if highlighted
      self.backgroundColor = UIColor.redColor
    else
      self.backgroundColor = UIColor.whiteColor
    end
  end
  
  def stylish
    self.backgroundColor = UIColor.whiteColor
    self.selectionStyle = UITableViewCellSelectionStyleNone
  end
  
  def user=(user)
    @user = user
    self.textLabel.text = self.user[:screen_name]
    self.detailTextLabel.text = self.user[:bio]
    self.imageView.url = {url: self.user[:profile_image_url].to_url, placeholder: UIImage.imageNamed("placeholder-image")}
    self.setNeedsLayout
    @user
  end
  
  # This is useful if you have cells of varying heights depending on the content
  def self.heightForCellWithUser(user)
    if user
      sizeToFit = user[:bio].sizeWithFont(UIFont.systemFontOfSize(12), constrainedToSize: CGSizeMake(220, Float::MAX), lineBreakMode:UILineBreakModeWordWrap)
      return [70, sizeToFit.height + 45].max
    else
      return 10 # arbitrary height
    end
  end
  
  def layoutSubviews
    super
    self.imageView.frame = CGRectMake(10, 10, 50, 50)
    self.textLabel.frame = CGRectMake(70, 10, 240, 20)
    detailTextLabelFrame = CGRectOffset(self.textLabel.frame, 0, 25);
    detailTextLabelFrame.size.height = self.class.heightForCellWithUser(self.user) - 45
    self.detailTextLabel.frame = detailTextLabelFrame
  end
end


class MyAwesomeScreen < ProMotion::TableScreen

  def on_init
    self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone #To remove the cell's separator
    self.tableView.backgroundColor = UIColor.yellowColor
  end
  
  def table_data
    [{
      cells: @users.map {|user|
        {
          cell_identifier: "MyCustomCellIdentifier",
          cell_class: MyCustomCell,
          height: MyCustomCell.heightForCellWithUser(user) # maybe some users need more room than others
        }
      }
    }]
  end
  
  # Override this method but call ProMotion's "table_view_cell" method so you can still use PM to set the table_data
  # Then you can customize the cell before returning it to the tableView
  # An example is passing in a user object so you can build a sweet custom cell for that User using a subclass of TableViewCell
  def tableView(tableView, cellForRowAtIndexPath:index_path)
    cell = table_view_cell(index_path: index_path)
    cell.user = @people[index_path.row] if @people
    cell
  end
end