#179. Add some logic to RecordReportAdapter. Add RecordReportItem entity for RecordReportAdapter.

Author: bogdan-evtushenko

app/src/main/java/com/blogspot/e_kanivets/moneytracker/activity/ReportActivity.kt

@@ -15,6 +15,8 @@ import com.blogspot.e_kanivets.moneytracker.report.ReportMaker
 import com.blogspot.e_kanivets.moneytracker.report.record.RecordReportConverter
 import com.blogspot.e_kanivets.moneytracker.ui.presenter.ShortSummaryPresenter
 import kotlinx.android.synthetic.main.activity_report.*
+import java.util.ArrayList
+import java.util.HashMap
 import javax.inject.Inject
 
 class ReportActivity : BaseBackActivity() {
@@ -60,7 +62,22 @@ class ReportActivity : BaseBackActivity() {
 
         var adapter: ExpandableListReportAdapter? = null
 
+        //val childData = ArrayList<List<Map<String, String>>>()
+
         if (report != null) {
+            /*for (categoryRecord in report.summary) {
+                val childDataItem = ArrayList<Map<String, String>>()
+                for (summaryRecord in categoryRecord.summaryRecordList) {
+                    val m = HashMap<String, String>()
+                    //m[TITLE_PARAM_NAME] = summaryRecord.title
+                    //m[PRICE_PARAM_NAME] = java.lang.Double.toString(summaryRecord.amount)
+
+                    childDataItem.add(m)
+                }
+
+                childData.add(childDataItem)
+            }*/
+
             val recordReportConverter = RecordReportConverter(report)
             adapter = ExpandableListReportAdapter(this, recordReportConverter)
         }

app/src/main/java/com/blogspot/e_kanivets/moneytracker/adapter/RecordAdapter.kt

@@ -76,7 +76,7 @@ class RecordAdapter : RecyclerView.Adapter<RecyclerView.ViewHolder> {
 
     override fun onBindViewHolder(viewHolder: RecyclerView.ViewHolder, position: Int) {
         if (position == 0 && isSummaryViewNeeded) {
-            //adapter already bound to view
+            //view holder already bound to view
             return
         }
 

app/src/main/java/com/blogspot/e_kanivets/moneytracker/adapter/RecordReportAdapter.kt

@@ -6,21 +6,37 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import com.blogspot.e_kanivets.moneytracker.R
+import com.blogspot.e_kanivets.moneytracker.entity.RecordReportItem
 
-class RecordReportAdapter(private var items: List<Long>, private val ctx: Context) : RecyclerView.Adapter<RecordReportAdapter.ViewHolder>() {
+class RecordReportAdapter(private var items: List<RecordReportItem>, private val ctx: Context) : RecyclerView.Adapter<RecordReportAdapter.ViewHolder>() {
 
     override fun getItemCount(): Int {
-        return items.size
+        return items.size + 1
     }
 
-    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
-        return ViewHolder(LayoutInflater.from(ctx).inflate(R.layout.view_report_item_exp, parent, false))
+    override fun getItemViewType(position: Int): Int = when {
+        position == 0 -> TYPE_SUMMARY
+        items[position - 1] is RecordReportItem.ChildRow -> TYPE_PARENT
+        else -> TYPE_CHILD
     }
 
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) =
+            when (viewType) {
+                TYPE_PARENT -> ViewHolder(LayoutInflater.from(ctx).inflate(R.layout.view_report_item_exp, parent, false))
+                TYPE_CHILD -> ViewHolder(LayoutInflater.from(ctx).inflate(R.layout.view_report_item, parent, false))
+                else -> ViewHolder(LayoutInflater.from(ctx).inflate(R.layout.view_report_item, parent, false))
+            }
+
     override fun onBindViewHolder(holder: ViewHolder, position: Int) {
 
     }
 
     class ViewHolder(view: View) : RecyclerView.ViewHolder(view)
 
+    companion object {
+        private const val TYPE_SUMMARY = 0
+        private const val TYPE_PARENT = 1
+        private const val TYPE_CHILD = 2
+    }
+
 }

app/src/main/java/com/blogspot/e_kanivets/moneytracker/entity/Record.kt renamed to app/src/main/java/com/blogspot/e_kanivets/moneytracker/entity/RecordItem.kt

@@ -0,0 +1,9 @@
+package com.blogspot.e_kanivets.moneytracker.entity
+
+sealed class RecordReportItem {
+
+    data class ChildRow(val title: String, val amount: Long) : RecordReportItem()
+
+    data class ParentRow(val category: String, val totalAmount: Long, val isOpen: Boolean) : RecordReportItem()
+
+}

app/src/main/java/com/blogspot/e_kanivets/moneytracker/entity/RecordReportItem.kt

@@ -1,6 +1,7 @@
 package com.blogspot.e_kanivets.moneytracker.ui.presenter;
 
 import android.content.Context;
+import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.TextView;
@@ -103,7 +104,7 @@ private String formatPeriod(Period period) {
         }
     }
 
-    public static class ViewHolder implements SummaryViewInterface {
+    public static class ViewHolder extends RecyclerView.ViewHolder implements SummaryViewInterface {
 
         @BindView(R.id.tvPeriod)
         TextView tvPeriod;
@@ -138,6 +139,7 @@ public TextView getTvTotal() {
         }
 
         public ViewHolder(View view) {
+            super(view);
             ButterKnife.bind(this, view);
         }
     }