UITableViewCell Reordering

CellReordering - UITableView.swift

    var arrays: [[String: AnyObject]] = [[String: AnyObject]]()
    
    func tableView(_ tableView: UITableView, canMoveRowAt indexPath: IndexPath) -> Bool {
        return true
    }
      
      func tableView(_ tableView: UITableView, moveRowAt sourceIndexPath: IndexPath, to destinationIndexPath: IndexPath) {
        let dic = self.arrays[sourceIndexPath.section]
        
        if let array = dic["arrays"] as? NSMutableArray
        {
          let fromIndex = sourceIndexPath.row
          let toIndex = destinationIndexPath.row
          let fromSection = sourceIndexPath.section
          let toSection = destinationIndexPath.section
          
          if fromSection == toSection && fromIndex == toIndex
          {
            let fromObject = array.object(at: fromIndex)
            array.removeObject(at: fromIndex)
            array.insert(fromObject, at: toIndex)
            if let objToMove = fromObject as? NSMutableDictionary
            {
              objToMove["position"] = toIndex
            }
          }
        } else {
        }
      }
      
      func tableView(_ tableView: UITableView, canEditRowAt indexPath: IndexPath) -> Bool
      {
        return true
      }
      
      func tableView(_ tableView: UITableView, editingStyleForRowAt indexPath: IndexPath) -> UITableViewCellEditingStyle
      {
        return .none
      }
      
      func tableView(_ tableView: UITableView, shouldIndentWhileEditingRowAt indexPath: IndexPath) -> Bool
      {
        return false
      }
      
      func tableView(_ tableView: UITableView, targetIndexPathForMoveFromRowAt sourceIndexPath: IndexPath, toProposedIndexPath proposedDestinationIndexPath: IndexPath) -> IndexPath
      {
        if sourceIndexPath.section == proposedDestinationIndexPath.section
        {
          return proposedDestinationIndexPath
        } else {
          return sourceIndexPath
        }
      }
    
      func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int
      {
        if let countOfRowsInSection = (arrays[section])["arrays"] as? NSArray
        {
          return countOfRowsInSection.count
        }
        
        return 0
      }