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package egorikem.mybet.presentation.view.adapters

import android.os.Bundle
import android.support.v4.app.Fragment
import android.support.v7.widget.LinearLayoutManager
import android.support.v7.widget.RecyclerView
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import butterknife.BindView

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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): BaseHolder {
    val inflater = LayoutInflater.from(parent.context)
    val itemView: View
    val dataHolder: BaseHolder = when(viewType) {
        Type.NORMAL.value -> {
            itemView  = inflater.inflate(normalCellLayout, parent, false)
            NormalGoodHolder(itemView, callback)
        }
        Type.SALE.value -> {
            itemView  = inflater.inflate(saleCellLayout, parent, false)

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override fun getItemViewType(position: Int): Int {
    if(getItemAtPosition(position).saleAmount > 0) {
        return Type.SALE.value
    }
    return Type.NORMAL.value
}

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class SaleGoodHolder(itemView: View, callback: Callback) : BaseHolder(itemView, callback) {

    @BindView(R.id.sale_item_name)
    lateinit var name: TextView

    @BindView(R.id.sale_item_sale_amount)
    lateinit var saleAmount: TextView

    @BindView(R.id.sale_item_price)
    lateinit var price: TextView

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class GoodsAdapter (dataSet: MutableList<Good>, val callback: Callback) : AbstractArrayAdapter<Good, GoodsAdapter.BaseHolder>(dataSet) {

    interface Callback {
        fun onNormalGoodClick(data: Good)
        fun onSaleGoodClick(data: Good)
    }

    enum class Type(val value: Int) {
        NORMAL(1),
        SALE(2)

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data class Good(
        val name: String,
        val saleAmount: Int,
        val price: Int
) {
    /**
     * Method to get current price with sale
     */
    fun calculatePrice(): Int {
        return price - price*saleAmount/100

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 abstract class BaseHolder(itemView: View, protected var callback: Callback) : RecyclerView.ViewHolder(itemView) {
	 protected var unbinder: Unbinder? = null
	 protected lateinit var data: Good
	 abstract fun bindData(data: Good)
 }

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import android.support.v7.widget.RecyclerView
import java.util.*

abstract class AbstractArrayAdapter<ITEM, VH : RecyclerView.ViewHolder>(dataSet: MutableList<ITEM>?) : RecyclerView.Adapter<VH>() {

    //region Data

    private val dataSet: MutableList<ITEM>

    //endregion

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Gravity 

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Gravity