data

Object

class TodayAdapter(val context: Context?) : BaseRecyclerAdapter<BlockToday, BlockTodayHolder>() {
    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): BlockTodayHolder {
        val inflate = when (viewType) {
            TodayType.TOP_SALES.ordinal -> R.layout.item_top_sale
            TodayType.CATEGORIES.ordinal -> R.layout.item_categories
            TodayType.EVENTS.ordinal -> R.layout.item_events
            else -> R.layout.item_banner
        }
        return BlockTodayHolder(LayoutInflater.from(context).inflate(inflate, parent, false))
    }

    override fun onBindViewHolder(holder: BlockTodayHolder, position: Int) {
        when(getItem(position).type){
            TodayType.TOP_SALES -> TodayType.TOP_SALES.ordinal
            TodayType.CATEGORIES -> TodayType.CATEGORIES.ordinal
            TodayType.EVENTS -> TodayType.EVENTS.ordinal
            TodayType.BANNER -> {
                holder.bindBanner(getItem(position).data)
            }
        }
    }

import org.junit.Test

class BlockToday(val type: TodayType, var data: Any)

enum class TodayType {
    BANNER, EVENTS, CATEGORIES, TOP_SALES
}

abstract class BaseRecyclerAdapter<M, V> {

    var data = ArrayList<M>()

    fun getItem(position: Int): M = data[position]
}

class BlockTodayHolder {
    fun bindBanner(data: Any) {
        val images = data as ArrayList<String>
        println(images)
    }
}

class TodayAdapter : BaseRecyclerAdapter<BlockToday, BlockTodayHolder>() {

    fun onBindViewHolder(holder: BlockTodayHolder, position: Int) {
        when (getItem(position).type) {
            TodayType.TOP_SALES -> TodayType.TOP_SALES.ordinal
            TodayType.CATEGORIES -> TodayType.CATEGORIES.ordinal
            TodayType.EVENTS -> TodayType.EVENTS.ordinal
            TodayType.BANNER -> {
                holder.bindBanner(getItem(position).data)
            }
        }
    }
}

class Test {

    @Test
    fun name() {
        TodayAdapter().apply {
            data = arrayListOf(
                BlockToday(TodayType.BANNER, arrayListOf("element"))
            )

            onBindViewHolder(BlockTodayHolder(), 0)
        }
    }
}

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