From 8df24dc1c47949018e9fdf682af23c7db073385f Mon Sep 17 00:00:00 2001
From: Kacper Ziubryniewicz <kapi2289@gmail.com>
Date: Sun, 1 Dec 2019 20:25:28 +0100
Subject: [PATCH] [Dialog/Events] Create adapter outside of the observer.

---
 .../ui/dialogs/event/EventListAdapter.kt          |  3 ++-
 .../edziennik/ui/dialogs/event/EventListDialog.kt | 15 ++++++++++++---
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/event/EventListAdapter.kt b/app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/event/EventListAdapter.kt
index 11752ec3..a9525c08 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/event/EventListAdapter.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/event/EventListAdapter.kt
@@ -23,12 +23,13 @@ import pl.szczodrzynski.edziennik.utils.models.Date
 
 class EventListAdapter(
         val context: Context,
-        val eventList: List<EventFull>,
         val parentDialog: EventListDialog
 ) : RecyclerView.Adapter<EventListAdapter.ViewHolder>() {
 
     private val app by lazy { context.applicationContext as App }
 
+    val eventList = mutableListOf<EventFull>()
+
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
         val inflater = LayoutInflater.from(parent.context)
         val view: RowDialogEventListItemBinding = DataBindingUtil.inflate(inflater, R.layout.row_dialog_event_list_item, parent, false)
diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/event/EventListDialog.kt b/app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/event/EventListDialog.kt
index 548cf7d4..4edfd598 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/event/EventListDialog.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/event/EventListDialog.kt
@@ -43,6 +43,7 @@ class EventListDialog(
     private val app by lazy { activity.application as App }
     private lateinit var b: DialogEventListBinding
     private lateinit var dialog: AlertDialog
+    private lateinit var adapter: EventListAdapter
 
     private var lesson: LessonFull? = null
 
@@ -111,16 +112,24 @@ class EventListDialog(
         b.eventListView.apply {
             setHasFixedSize(false)
             isNestedScrollingEnabled = true
-            layoutManager = LinearLayoutManager(context)
+            layoutManager = LinearLayoutManager(activity)
         }
 
+        adapter = EventListAdapter(activity, this@EventListDialog)
+        b.eventListView.adapter = adapter
+
         app.db.eventDao().getAllByDateTime(profileId, date, time).observe(activity, Observer { events ->
             if (events.isNullOrEmpty()) {
                 b.eventListView.visibility = View.GONE
                 b.textNoEvents.visibility = View.VISIBLE
             } else {
-                val adapter = EventListAdapter(activity, events, this)
-                b.eventListView.adapter = adapter
+                adapter.run {
+                    eventList.apply {
+                        clear()
+                        addAll(events)
+                    }
+                    notifyDataSetChanged()
+                }
             }
         })
     }