// Data Source

class MyOptionMenuDataSource : ListOptionsMenuDataSource {
    func optionsMenuTitle(_ optionsMenu: OptionsMenu) -> String? {
        return nil
    }
    
    func optionsMenuSubtitle(_ optionsMenu: OptionsMenu) -> String? {
        return nil
    }
    
    func optionsCount(_ optionsMenu: OptionsMenu) -> Int {
        return 5
    }
    
    func optionsMenu(_ optionsMenu: OptionsMenu, optionAtIndex index: Int) -> OptionsMenuItem? {
        return OptionsMenuItem(identifier: String(index),
                               title: "New Option Menu At \(index)",
                               imageName: "ic_optionmenu")    
    }
    
}


// Delegate

class MyOptionMenuDelegate : ListOptionsMenuDelegate {
    func optionsMenu(_ optionsMenu: OptionsMenu, didSelectOptionAtIndex index: Int) {
        print("Did select item at \(index)")
    }
}


// Style Customization

class MyOptionMenuDataStyle : ListOptionsMenuStyle {
    func optionsMenu(_ optionsMenu: OptionsMenu, fontForItemAtIndex index: Int) -> UIFont? {
       return UIFont.systemFont(ofSize: 14)
   }
   
   func optionsMenuBackgroundColor(_ optionsMenu: OptionsMenu) -> UIColor? {
       return UIColor.white
   }
 
   func optionsMenuTintColor(_ optionsMenu: OptionsMenu) -> UIColor? {
       return UIColor.black
   }
}

// Inside your View Controller

func show() {
    let myOptionMenu = OptionsMenu(parentViewController: self)
    myOptionMenu.behaviour = BottomSheetMenuDisplayBehaviour()
    myOptionMenu.style = MyOptionMenuDataStyle()
    myOptionMenu.dataSource = MyOptionMenuDataSource()
    myOptionMenu.delegate = MyOptionMenuDelegate()
    myOptionMenu.show(animated: true)
}