Minor refactoring

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

@@ -7,6 +7,7 @@ import com.paktalin.vocabularynotebook.utils.FirestoreManager.Companion.vocabula
 
 class Vocabulary() {
     private var words: MutableList<WordItem> = mutableListOf()
+    private var displayed: MutableList<WordItem> = mutableListOf()
 
     constructor(vocabulary: Vocabulary) : this() {
         copyWordsFrom(vocabulary)
@@ -22,14 +23,6 @@ class Vocabulary() {
         }
     }
 
-    companion object {
-        private val TAG = "VN/" + Vocabulary::class.java.simpleName
-
-        const val SORT_BY_TIME = 0
-        const val SORT_BY_WORD = 1
-        const val SORT_BY_TRANSLATION = 2
-    }
-
     fun sort(sortOrder:Int) {
         when(sortOrder) {
             SORT_BY_TIME -> sortByTime()
@@ -82,4 +75,12 @@ class Vocabulary() {
         words.sortWith(Comparator { item1, item2 ->
             item1.pojo.translation.toLowerCase().compareTo(item2.pojo.translation.toLowerCase()) })
     }
+
+    companion object {
+        private val TAG = "VN/" + Vocabulary::class.java.simpleName
+
+        const val SORT_BY_TIME = 0
+        const val SORT_BY_WORD = 1
+        const val SORT_BY_TRANSLATION = 2
+    }
 }
\ No newline at end of file

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

@@ -55,15 +55,6 @@ class VocabularyAdapter(private val fullVocabulary: Vocabulary, private val main
             popup.show()
     }
 
-    private fun deleteWord(position: Int) {
-        //TODO delete from fullVocabulary
-        displayedVocabulary.deleteWord(position)
-        // update recyclerView
-        recyclerView.removeViewAt(position)
-        this.notifyItemRemoved(position)
-        this.notifyItemRangeChanged(position, displayedVocabulary.size())
-    }
-
     fun refresh() {
         /*displayedVocabulary.clear()
         FirestoreManager().extractVocabulary { documents ->
@@ -72,6 +63,14 @@ class VocabularyAdapter(private val fullVocabulary: Vocabulary, private val main
         }*/
     }
 
+    private fun deleteWord(position: Int) {
+        //TODO delete from fullVocabulary
+        displayedVocabulary.deleteWord(position)
+        recyclerView.removeViewAt(position)
+        this.notifyItemRemoved(position)
+        this.notifyItemRangeChanged(position, displayedVocabulary.size())
+    }
+
     fun addWord(newWord: WordItem) {
         displayedVocabulary.addWord(newWord)
         // TODO add word to fullVocabulary

app/src/main/java/com/paktalin/vocabularynotebook/ui/activities/MainActivity.kt

@@ -82,7 +82,7 @@ class MainActivity : AppCompatActivity() {
     }
 
     private fun setUpVocabularyAdapter() {
-        addProgressBar()
+        addProgressBar(supportFragmentManager, R.id.container_main)
         FirestoreManager().extractVocabularyId({
 //                    recyclerView.adapter = VocabularyAdapter(Vocabulary(), this@MainActivity)
                     recyclerView.layoutManager = LockableLayoutManager(this@MainActivity)
@@ -96,8 +96,8 @@ class MainActivity : AppCompatActivity() {
                         }
                     }
                 },
-                { showToastNoWords() },
-                { removeProgressBar() }, this)
+                { shortToast(this, getString(R.string.toast_empty_vocabulary)) },
+                { removeProgressBar(supportFragmentManager) }, this)
     }
 
     private fun hideKeyboard() {
@@ -113,14 +113,6 @@ class MainActivity : AppCompatActivity() {
         imm.hideSoftInputFromWindow(view.windowToken, 0)
     }
 
-    fun addProgressBar() {
-        com.paktalin.vocabularynotebook.utils.addProgressBar(supportFragmentManager, R.id.container_main)
-    }
-
-    fun removeProgressBar() {
-        com.paktalin.vocabularynotebook.utils.removeProgressBar(supportFragmentManager)
-    }
-
     private fun showToastNoWords() {
         shortToast(this, getString(R.string.toast_empty_vocabulary))
     }