Removed inEditMode property + refactoring

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

@@ -8,16 +8,17 @@ import com.paktalin.vocabularynotebook.utils.FirestoreManager.Companion.vocabula
 class Vocabulary() {
     private var words: MutableList<WordItem> = mutableListOf()
 
-/*    constructor(words: MutableList<WordItem>) : this() {
-        this.words = words
-    }*/
+    constructor(vocabulary: Vocabulary) : this() {
+        copyWordsFrom(vocabulary)
+    }
 
     constructor(documents: MutableList<DocumentSnapshot>) : this() {
-        for (ref in documents) {
-            val word = ref["word"].toString()
-            val translation = ref["translation"].toString()
-            val time = ref["time"] as Timestamp
-            words.add(WordItem(word, translation, time.toDate(), ref.id, vocabularyId!!))
+        documents.forEach { ref ->
+            words.add(WordItem(
+                    ref["word"].toString(),
+                    ref["translation"].toString(),
+                    (ref["time"] as Timestamp).toDate(),
+                    ref.id, vocabularyId!!))
         }
     }
 
@@ -46,24 +47,12 @@ class Vocabulary() {
         words.add(0, newWord)
     }
 
-    fun addWords(newWords:MutableList<WordItem>) {
-        words.addAll(newWords)
+    fun copyWordsFrom(vocabulary: Vocabulary) {
+        words.addAll(vocabulary.get())
     }
 
-    fun addWordsAsDocuments(documents: MutableList<DocumentSnapshot>) {
-        for (ref in documents) {
-            val word = ref["word"].toString()
-            val translation = ref["translation"].toString()
-            val time = ref["time"] as Timestamp
-            words.add(WordItem(word, translation, time.toDate(), ref.id, vocabularyId!!))
-        }
-    }
-
-    fun addWordsFittingQuery(newWords:MutableList<WordItem>, query:String) {
-        for (newWord in newWords) {
-            if (newWord.contains(query))
-                this.addWord(newWord)
-        }
+    fun addWordsFittingQuery(vocabulary: Vocabulary, query:String) {
+        vocabulary.get().filter { wordItem -> wordItem.contains(query) }.toCollection(words)
     }
 
     fun updateWord(updatedWord: WordItem) {

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

@@ -14,9 +14,9 @@ import com.paktalin.vocabularynotebook.ui.activities.MainActivity
 import com.paktalin.vocabularynotebook.utils.addFragment
 import kotlinx.android.synthetic.main.word_item.view.*
 
-class VocabularyAdapter(private val displayedVocabulary: Vocabulary, private val mainActivity: MainActivity) : RecyclerView.Adapter<VocabularyAdapter.ViewHolder>() {
+class VocabularyAdapter(private val fullVocabulary: Vocabulary, private val mainActivity: MainActivity) : RecyclerView.Adapter<VocabularyAdapter.ViewHolder>() {
 
-    private var fullVocabulary: MutableList<WordItem> = mutableListOf() // stores all the words loaded from the db
+    private var displayedVocabulary = Vocabulary(fullVocabulary)
     private lateinit var recyclerView: RecyclerView
 
     var sortOrder: Int = 0
@@ -24,10 +24,6 @@ class VocabularyAdapter(private val displayedVocabulary: Vocabulary, private val
             field = value; sort()
         }
 
-    init {
-        fullVocabulary.addAll(displayedVocabulary.get())
-    }
-
     override fun onAttachedToRecyclerView(recyclerView: RecyclerView) {
         super.onAttachedToRecyclerView(recyclerView)
         this.recyclerView = recyclerView
@@ -58,10 +54,11 @@ class VocabularyAdapter(private val displayedVocabulary: Vocabulary, private val
         inflater.inflate(R.menu.word_item_menu, popup.menu)
         popup.setOnMenuItemClickListener {
             if (it.itemId == R.id.option_delete) { deleteWord(position) }
-            if (it.itemId == R.id.option_edit) { editWord(v, displayedVocabulary.getAt(position)) }
+            if (it.itemId == R.id.option_edit) { startEditFragment(v, displayedVocabulary.getAt(position)) }
             true
         }
-        if (!mainActivity.inEditMode) popup.show()
+        if (mainActivity.supportFragmentManager.findFragmentByTag("edit_fragment") == null)
+            popup.show()
     }
 
     private fun deleteWord(position: Int) {
@@ -96,8 +93,7 @@ class VocabularyAdapter(private val displayedVocabulary: Vocabulary, private val
     }
 
     @SuppressLint("ResourceType")
-    private fun editWord(container: View, wordItem: WordItem) {
-        if (!mainActivity.inEditMode) {
+    private fun startEditFragment(container: View, wordItem: WordItem) {
         //set container id
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
             container.id = View.generateViewId()
@@ -106,8 +102,7 @@ class VocabularyAdapter(private val displayedVocabulary: Vocabulary, private val
         // start EditWordFragment
         val arguments = Bundle()
         arguments.putSerializable("wordItem", wordItem)
-            addFragment(mainActivity.supportFragmentManager, EditWordFragment(), container.id, arguments)
-        }
+        addFragment(mainActivity.supportFragmentManager, EditWordFragment(), container.id, arguments, "edit_fragment")
     }
 
     inner class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
@@ -119,7 +114,7 @@ class VocabularyAdapter(private val displayedVocabulary: Vocabulary, private val
     fun filter(query: String) {
         displayedVocabulary.clear()
         if (query.isEmpty())
-            displayedVocabulary.addWords(fullVocabulary)
+            displayedVocabulary.copyWordsFrom(fullVocabulary)
         else
             displayedVocabulary.addWordsFittingQuery(fullVocabulary, query.toLowerCase())
         notifyDataSetChanged()

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

@@ -24,7 +24,6 @@ class MainActivity : AppCompatActivity() {
 
     lateinit var vocabularyFragment: VocabularyFragment
     lateinit var searchView: SearchView
-    var inEditMode = false
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)

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

@@ -28,7 +28,6 @@ class EditWordFragment : WordFragment() {
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
         mainActivity = activity as MainActivity
-        mainActivity.inEditMode = true
         this.container = container
         hidePreviousViews()
         wordItem = arguments!!["wordItem"] as WordItem
@@ -87,8 +86,8 @@ class EditWordFragment : WordFragment() {
     }
 
     private fun onFailure() {
-        shortToast(mainActivity, getString(R.string.toast_update_word_failed))
-        stop()
+        /*shortToast(mainActivity, getString(R.string.toast_update_word_failed))
+        stop()*/
     }
 
     private fun stop() {
@@ -97,7 +96,6 @@ class EditWordFragment : WordFragment() {
         removeFragment(mainActivity.supportFragmentManager, this)
         mainActivity.hideKeyboardNotFromActivity(mainActivity)
         gone(mainActivity.btnSubmitLayout)
-        mainActivity.inEditMode = false
     }
 
     companion object {

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

@@ -13,12 +13,12 @@ import org.apache.commons.lang3.StringUtils
 
 val progressFragment: Fragment = ProgressFragment()
 
-fun addFragment(fragmentManager: FragmentManager, fragment: Fragment, containerId: Int, arguments: Bundle?) {
+fun addFragment(fragmentManager: FragmentManager, fragment: Fragment, containerId: Int, arguments: Bundle?, tag: String? = null) {
     fragment.arguments = arguments
     // remove progressFragment if it exists
     if(fragmentManager.findFragmentById(fragment.id) != null)
         removeFragment(fragmentManager, fragment)
-    fragmentManager.beginTransaction().add(containerId, fragment).commitAllowingStateLoss()
+    fragmentManager.beginTransaction().add(containerId, fragment, tag).commitAllowingStateLoss()
 }
 
 fun removeFragment(fragmentManager: FragmentManager, fragment: Fragment) {