public protocol SwiftDataTableDataSource: class {
    
    /// The number of columns to display
    func numberOfColumns(in: SwiftDataTable) -> Int
    
    /// Return the total number of rows that will be displayed in the table
    func numberOfRows(in: SwiftDataTable) -> Int
    
    /// Return the data for the given row
    func dataTable(_ dataTable: SwiftDataTable, dataForRowAt index: NSInteger) -> [DataTableValueType]
    
    /// The header title for the column position to be displayed
    func dataTable(_ dataTable: SwiftDataTable, headerTitleForColumnAt columnIndex: NSInteger) -> String
}

@objc public protocol SwiftDataTableDelegate: class {
    /// Fired when a cell is selected.
    ///
    /// - Parameters:
    ///   - dataTable: SwiftDataTable
    ///   - indexPath: the index path of the row selected
    @objc optional func didSelectItem(_ dataTable: SwiftDataTable, indexPath: IndexPath)

    /// Fired when a cell has been deselected
    ///
    /// - Parameters:
    ///   - dataTable: SwiftDataTable
    ///   - indexPath: the index path of the row deselected
    @objc optional func didDeselectItem(_ dataTable: SwiftDataTable, indexPath: IndexPath)

    /// Specify custom heights for specific rows. A row height of 0 is valid and will be used.
    @objc optional func dataTable(_ dataTable: SwiftDataTable, heightForRowAt index: Int) -> CGFloat

    /// Specify custom widths for columns. This method once implemented overrides the automatic width calculation for remaining columns and therefor widths for all columns must be given. This behaviour may change so that custom widths on a single column basis can be given with the automatic width calculation behaviour applied for the remaining columns.
    @objc optional func dataTable(_ dataTable: SwiftDataTable, widthForColumnAt index: Int) -> CGFloat
    
    /// Column Width scaling. If set to true and the column's total width is smaller than the content size then the width of each column will be scaled proprtionately to fill the frame of the table. Otherwise an automatic calculated width size will be used by processing the data within each column.
    /// Defaults to true.
    @objc optional func shouldContentWidthScaleToFillFrame(in dataTable: SwiftDataTable) -> Bool
    
    /// Section Header floating. If set to true headers can float and remain in view during scroll. Otherwise if set to false the header will be fixed at the top and scroll off view along with the content.
    /// Defaults to true
    @objc optional func shouldSectionHeadersFloat(in dataTable: SwiftDataTable) -> Bool
    
    /// Section Footer floating. If set to true footers can float and remain in view during scroll. Otherwise if set to false the footer will be fixed at the top and scroll off view along with the content.
    /// Defaults to true.
    @objc optional func shouldSectionFootersFloat(in dataTable: SwiftDataTable) -> Bool
    
    
    /// Search View floating. If set to true the search view can float and remain in view during scroll. Otherwise if set to false the search view will be fixed at the top and scroll off view along with the content.
    //  Defaults to true.
    @objc optional func shouldSearchHeaderFloat(in dataTable: SwiftDataTable) -> Bool
    
    /// Disable search view. Hide search view. Defaults to true.
    @objc optional func shouldShowSearchSection(in dataTable: SwiftDataTable) -> Bool
    
    /// The height of the section footer. Defaults to 44.
    @objc optional func heightForSectionFooter(in dataTable: SwiftDataTable) -> CGFloat
    
    /// The height of the section header. Defaults to 44.
    @objc optional func heightForSectionHeader(in dataTable: SwiftDataTable) -> CGFloat
    
    /// The height of the search view. Defaults to 44.
    @objc optional func heightForSearchView(in dataTable: SwiftDataTable) -> CGFloat
    
    /// Height of the inter row spacing. Defaults to 1.
    @objc optional func heightOfInterRowSpacing(in dataTable: SwiftDataTable) -> CGFloat
    
    /// Control the display of the vertical scroll bar. Defaults to true.
    @objc optional func shouldShowVerticalScrollBars(in dataTable: SwiftDataTable) -> Bool
    
    /// Control the display of the horizontal scroll bar. Defaults to true.
    @objc optional func shouldShowHorizontalScrollBars(in dataTable: SwiftDataTable) -> Bool
    
    /// Control the background color for cells in rows intersecting with a column that's highlighted.
    @objc optional func dataTable(_ dataTable: SwiftDataTable, highlightedColorForRowIndex at: Int) -> UIColor
    
    /// Control the background color for an unhighlighted row.
    @objc optional func dataTable(_ dataTable: SwiftDataTable, unhighlightedColorForRowIndex at: Int) -> UIColor

    /// Return the number of fixed columns
    @objc optional func fixedColumns(for dataTable: SwiftDataTable) -> DataTableFixedColumnType
    
    /// Return `true` to support RTL layouts by flipping horizontal scroll on `CollectionViewFlowLayout`, if the current interface direction is RTL.
    @objc optional func shouldSupportRightToLeftInterfaceDirection(in dataTable: SwiftDataTable) -> Bool
}