Scroll to the edited position; freeze layout while editing

app/src/main/java/com/paktalin/vocabularynotebook/ui/fragments/SubmitEditedFragment.kt

@@ -3,18 +3,25 @@ package com.paktalin.vocabularynotebook.ui.fragments
 import android.view.View
 import android.widget.EditText
 import com.paktalin.vocabularynotebook.firestoreitems.WordPojo
+import com.paktalin.vocabularynotebook.ui.views.LockableLayoutManager
 import com.paktalin.vocabularynotebook.utils.gone
 import com.paktalin.vocabularynotebook.utils.removeFragment
 import com.paktalin.vocabularynotebook.utils.showKeyboard
 import com.paktalin.vocabularynotebook.utils.visible
+import kotlinx.android.synthetic.main.content_main.*
 import kotlinx.android.synthetic.main.word_item.*
 
 class SubmitEditedFragment : SubmitFragment() {
 
     private lateinit var clickableView: View
     private lateinit var wordPojo: WordPojo
+    private var recyclerViewPosition: Int = 0
 
     override fun init() {
+        (mainActivity.recyclerView.layoutManager as LockableLayoutManager).apply {
+            scrollToPositionWithOffset(recyclerViewPosition, 2)
+            isScrollEnabled = false
+        }
         mainActivity.vocabularyAdapter.showPopupMenu = false
         visible(mainActivity.clickable_view)
         gone(clickableView)
@@ -42,14 +49,20 @@ class SubmitEditedFragment : SubmitFragment() {
         gone(mainActivity.clickable_view)
         mainActivity.hideKeyboardNotFromActivity(mainActivity)
         mainActivity.vocabularyAdapter.showPopupMenu = true
+        (mainActivity.recyclerView.layoutManager as LockableLayoutManager).isScrollEnabled = true
         removeFragment(mainActivity.supportFragmentManager, this)
         return
     }
 
-    fun setData(wordEt: EditText, translationEt: EditText, wordPojo: WordPojo, clickableView: View) {
+    fun setData(wordEt: EditText,
+                translationEt: EditText,
+                wordPojo: WordPojo,
+                clickableView: View,
+                recyclerViewPosition: Int) {
         this.wordEt = wordEt
         this.translationEt = translationEt
         this.wordPojo = wordPojo
         this.clickableView = clickableView
+        this.recyclerViewPosition = recyclerViewPosition
     }
 }
\ No newline at end of file

app/src/main/java/com/paktalin/vocabularynotebook/ui/recycler_view/VocabularyAdapter.kt

@@ -67,7 +67,7 @@ class VocabularyAdapter(private val vocabulary: VocabSet, private val mainActivi
             popup.setOnMenuItemClickListener {
                 when (it.itemId) {
                     R.id.option_delete -> deleteWord(vocabulary.displayedAt(position), position)
-                    R.id.option_edit -> editWord(v, vocabulary.displayedAt(position))
+                    R.id.option_edit -> editWord(v, position)
                 }
                 true
             }
@@ -103,10 +103,14 @@ class VocabularyAdapter(private val vocabulary: VocabSet, private val mainActivi
     }
 
     @SuppressLint("ResourceType")
-    private fun editWord(container: View, wordPojo: WordPojo) {
+    private fun editWord(container: View, wordPosition: Int) {
         addSubmitFragment(mainActivity.supportFragmentManager,
                 SubmitEditedFragment().apply {
-                    setData(container.word, container.translation, wordPojo, container.clickable_view)
+                    setData(container.word,
+                            container.translation,
+                            vocabulary.displayedAt(wordPosition),
+                            container.clickable_view,
+                            wordPosition)
                 },
                 R.id.main_activity_container)
     }

app/src/main/java/com/paktalin/vocabularynotebook/ui/views/LockableLayoutManager.kt

@@ -4,7 +4,7 @@ import android.content.Context
 import androidx.recyclerview.widget.LinearLayoutManager
 
 class LockableLayoutManager(context: Context) : LinearLayoutManager(context) {
-    private var isScrollEnabled = true
+    var isScrollEnabled = true
 
     override fun canScrollVertically(): Boolean {
         return isScrollEnabled && super.canScrollVertically()