[FEAT/#32] 만약에 다 삭제하여 좋아요에 남은 개수가 0개이면 삭제버튼 비활성화하기

Keyneez · Jul 5, 2023 · 76350f6 · 76350f6
1 parent d910adc
commit 76350f6
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Showing 3 changed files with 19 additions and 11 deletions.
diff --git a/app/src/main/java/com/release/keyneez/presentation/main/like/LikeAdapter.kt b/app/src/main/java/com/release/keyneez/presentation/main/like/LikeAdapter.kt
@@ -13,15 +13,12 @@ import com.release.keyneez.util.extension.setOnSingleClickListener
 
 class LikeAdapter(
     private val setItemsSelected: (Int) -> List<Int>,
-    private val getSelectedIdsCount: (Int) -> Int,
     private val isEdit: LiveData<Boolean>
 ) : ListAdapter<Activity, RecyclerView.ViewHolder>(diffUtil) {
-    private var selectedActivity = arrayListOf<Activity>()
 
     inner class LikeViewHolder(
         private val binding: ItemLikeContentBinding,
         private val setItemsSelected: (Int) -> List<Int>,
-        private val getSelectedIdsCount: (Int) -> Int,
         private val isEdit: LiveData<Boolean>
     ) : RecyclerView.ViewHolder(binding.root) {
         fun bind(item: Activity) {
@@ -50,7 +47,6 @@ class LikeAdapter(
         return LikeViewHolder(
             binding,
             setItemsSelected,
-            getSelectedIdsCount,
             isEdit
         )
     }

diff --git a/app/src/main/java/com/release/keyneez/presentation/main/like/LikeFragment.kt b/app/src/main/java/com/release/keyneez/presentation/main/like/LikeFragment.kt
@@ -37,7 +37,6 @@ class LikeFragment :
     private fun initLikeAdapter() {
         likeAdapter = LikeAdapter(
             setItemsSelected = likeViewModel::setItemsSelected,
-            getSelectedIdsCount = likeViewModel::getSelectedIdsCount,
             isEdit = likeViewModel.isEdit
         )
         binding.rvLike.adapter = likeAdapter
@@ -59,7 +58,6 @@ class LikeFragment :
 
     private fun initEditBtnClickListener() {
         binding.btnEdit.setOnSingleClickListener {
-            Log.d("1", "제발삭제버튼")
             likeViewModel.deleteSelectedItems()
             BindingToast.initLikeDeleteToast(
                 requireContext(),
@@ -76,6 +74,14 @@ class LikeFragment :
         likeViewModel.activityList.observe(viewLifecycleOwner) { activityList ->
             likeList = activityList
             likeAdapter?.submitList(activityList)
+            if (likeViewModel.isEdit.value == false) {
+                Log.d("1", "false일 때")
+                binding.tvLikeNum.setText(likeList.size.toString())
+            } else {
+                Log.d("1", "true일 때")
+                binding.tvLikeNum.setText(likeViewModel.getSelectedIdsCount().toString())
+            }
+            binding.btnLikeEdit.isEnabled = likeList.isNotEmpty()
         }
     }
 

diff --git a/app/src/main/java/com/release/keyneez/presentation/main/like/LikeViewModel.kt b/app/src/main/java/com/release/keyneez/presentation/main/like/LikeViewModel.kt
@@ -11,6 +11,9 @@ class LikeViewModel : ViewModel() {
     private val _isEdit = MutableLiveData<Boolean>()
     private val _isSelected = MutableLiveData<Boolean>()
     private val _selectedIds = MutableLiveData<MutableList<Int>>()
+    private val _selectedCount = MutableLiveData<Int>()
+    val selectedCount: LiveData<Int>
+        get() = _selectedCount
     val activityList: LiveData<List<Activity>>
         get() = _activityList
     val isEdit: LiveData<Boolean>
@@ -21,6 +24,7 @@ class LikeViewModel : ViewModel() {
 
     init {
         getLikeActivityList()
+        getSelectedIdsCount()
         _isEdit.value = false
         _isSelected.value = false
         _selectedIds.value = emptyList<Int>().toMutableList()
@@ -34,18 +38,20 @@ class LikeViewModel : ViewModel() {
             selectedIdsList.add(id)
         }
         _selectedIds.value = selectedIdsList
+        getSelectedIdsCount()
         return selectedIdsList.toList()
     }
 
-    fun getSelectedIdsCount(id: Int): Int {
-        val selectedIdsList = _selectedIds.value ?: mutableListOf()
-        return selectedIdsList.size
-    }
-
     fun updateEditView() {
         _isEdit.value = _isEdit.value?.not()
     }
 
+    fun getSelectedIdsCount() {
+        val selectedIdsList = _selectedIds.value ?: mutableListOf()
+        val selectedCount = selectedIdsList.size
+        _selectedCount.value = selectedCount
+    }
+
     fun updateSelected() {
         _isSelected.value = _isSelected.value?.not()
     }