Only one word can be edited in a time

app/src/main/java/com/paktalin/vocabularynotebook/ActivityUtil.kt

@@ -6,7 +6,9 @@ import android.support.v4.app.Fragment
 import android.support.v4.app.FragmentManager
 import android.text.TextUtils
 import android.widget.Toast
+import com.paktalin.vocabularynotebook.ui.activities.MainActivity
 import com.paktalin.vocabularynotebook.ui.fragments.ProgressFragment
+import kotlinx.android.synthetic.main.content_main.*
 
 val progressFragment: Fragment = ProgressFragment()
 
@@ -35,6 +37,14 @@ fun fieldsNotEmpty(text1: String, text2: String, toastMessage: String, context:
     return true
 }
 
+fun disableScrolling(mainActivity: MainActivity) {
+    mainActivity.scrollView!!.setScrollingEnabled(false)
+}
+
+fun enableScrolling(mainActivity: MainActivity) {
+    mainActivity.scrollView!!.setScrollingEnabled(true)
+}
+
 fun shortToast(context: Context, text: String) {
     Toast.makeText(context, text, Toast.LENGTH_SHORT).show()
 }
\ No newline at end of file

app/src/main/java/com/paktalin/vocabularynotebook/Random.java

-package com.paktalin.vocabularynotebook;
-
-public class Random {
-}

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

@@ -62,7 +62,7 @@ class VocabularyAdapter(private val displayedVocabulary: Vocabulary, private val
             if (it.itemId == R.id.option_edit) { editWord(v, displayedVocabulary.getAt(position)) }
             true
         }
-        popup.show()
+        if (EditWordFragment.notInEditMode) popup.show()
     }
 
     private fun deleteWord(position: Int) {
@@ -95,15 +95,17 @@ class VocabularyAdapter(private val displayedVocabulary: Vocabulary, private val
 
     @SuppressLint("ResourceType")
     private fun editWord(container: View, wordItem: WordItem) {
-        //set container id
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
-            container.id = View.generateViewId()
-        } else container.id = 18071999
-
-        // start EditWordFragment
-        val arguments = Bundle()
-        arguments.putSerializable("wordItem", wordItem)
-        addFragment(mainActivity.supportFragmentManager, EditWordFragment(), container.id, arguments)
+        if (EditWordFragment.notInEditMode) {
+            //set container id
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+                container.id = View.generateViewId()
+            } else container.id = 18071999
+
+            // start EditWordFragment
+            val arguments = Bundle()
+            arguments.putSerializable("wordItem", wordItem)
+            addFragment(mainActivity.supportFragmentManager, EditWordFragment(), container.id, arguments)
+        }
     }
 
     inner class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {

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

@@ -7,13 +7,11 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.view.inputmethod.InputMethodManager
-import com.paktalin.vocabularynotebook.R
+import com.paktalin.vocabularynotebook.*
 import com.paktalin.vocabularynotebook.firestoreitems.WordItem
 import com.paktalin.vocabularynotebook.appsetup.ConfiguredFirestore
 import com.paktalin.vocabularynotebook.firestoreitems.Vocabulary.Companion.VOCABULARIES
 import com.paktalin.vocabularynotebook.firestoreitems.Vocabulary.Companion.WORDS
-import com.paktalin.vocabularynotebook.removeFragment
-import com.paktalin.vocabularynotebook.shortToast
 import com.paktalin.vocabularynotebook.ui.activities.MainActivity
 import kotlinx.android.synthetic.main.fragment_editable_word.*
 import kotlinx.android.synthetic.main.content_main.*
@@ -23,6 +21,7 @@ class EditWordFragment : WordFragment() {
     private lateinit var wordItem: WordItem
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        notInEditMode = false
         mainActivity = activity as MainActivity
         hidePreviousViews(container)
         wordItem = arguments!!["wordItem"] as WordItem
@@ -32,6 +31,7 @@ class EditWordFragment : WordFragment() {
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         super.onActivityCreated(savedInstanceState)
         setWordItemData()
+        disableScrolling(mainActivity)
         setFocusOnWord()
     }
 
@@ -39,7 +39,6 @@ class EditWordFragment : WordFragment() {
         word.setText(wordItem.pojo.word)
         translation.setText(wordItem.pojo.translation)
         editable_word.setBackgroundColor(resources.getColor(R.color.green_highlight))
-        disableScrolling()
     }
 
     private fun setFocusOnWord() {
@@ -79,11 +78,9 @@ class EditWordFragment : WordFragment() {
     private fun stop() {
         // set onClickListener from AddWordFragment
         mainActivity.btnSubmit.setOnClickListener { (mainActivity.fragmentAddWord as AddWordFragment).submitWord() }
+        enableScrolling(mainActivity)
         removeFragment(mainActivity.supportFragmentManager, this)
-    }
-
-    private fun disableScrolling() {
-        mainActivity.scrollView!!.setScrollingEnabled(false)
+        notInEditMode = true
     }
 
     override fun updateRecycleView(wordItem: WordItem) {
@@ -92,5 +89,6 @@ class EditWordFragment : WordFragment() {
 
     companion object {
         private val TAG = "VN/" + EditWordFragment::class.java.simpleName
+        var notInEditMode = true
     }
 }
\ No newline at end of file

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

@@ -16,6 +16,7 @@ import com.paktalin.vocabularynotebook.firestoreitems.Vocabulary.Companion.VOCAB
 import com.paktalin.vocabularynotebook.firestoreitems.Vocabulary.Companion.WORDS
 import com.paktalin.vocabularynotebook.firestoreitems.WordItem
 import com.paktalin.vocabularynotebook.ui.activities.MainActivity
+import com.paktalin.vocabularynotebook.ui.views.LockableLayoutManager
 import kotlinx.android.synthetic.main.fragment_vocabulary.*
 
 class VocabularyFragment : Fragment() {

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

-package com.paktalin.vocabularynotebook
+package com.paktalin.vocabularynotebook.ui.views
 
 import android.content.Context
 import android.support.v7.widget.LinearLayoutManager

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

-package com.paktalin.vocabularynotebook
+package com.paktalin.vocabularynotebook.ui.views
 
 import android.content.Context
 import android.util.AttributeSet

app/src/main/res/layout/content_main.xml

@@ -31,7 +31,7 @@
             android:layout_height="wrap_content"/>
     </FrameLayout>
 
-    <com.paktalin.vocabularynotebook.LockableScrollView
+    <com.paktalin.vocabularynotebook.ui.views.LockableScrollView
         android:id="@+id/scrollView"
         android:layout_width="match_parent"
         android:layout_height="0dp"
@@ -58,7 +58,7 @@
             android:paddingBottom="@dimen/small_padding">
         </LinearLayout>
 
-    </com.paktalin.vocabularynotebook.LockableScrollView>
+    </com.paktalin.vocabularynotebook.ui.views.LockableScrollView>
 
     <LinearLayout
         android:id="@+id/btnSubmitLayout"