properley handle grid/list view initialization

Author: tibbi

app/src/main/kotlin/com/simplemobiletools/filemanager/pro/activities/MainActivity.kt

@@ -97,8 +97,8 @@ class MainActivity : SimpleActivity() {
             findItem(R.id.temporarily_show_hidden).isVisible = !config.shouldShowHidden
             findItem(R.id.stop_showing_hidden).isVisible = config.temporarilyShowHidden
 
-            findItem(R.id.increase_column_count).isVisible = config.viewType == VIEW_TYPE_GRID && config.fileColumnCnt < MAX_COLUMN_COUNT
-            findItem(R.id.reduce_column_count).isVisible = config.viewType == VIEW_TYPE_GRID && config.fileColumnCnt > 1
+            findItem(R.id.increase_column_count).isVisible = config.getFolderViewType(fragment.currentPath) == VIEW_TYPE_GRID && config.fileColumnCnt < MAX_COLUMN_COUNT
+            findItem(R.id.reduce_column_count).isVisible = config.getFolderViewType(fragment.currentPath) == VIEW_TYPE_GRID && config.fileColumnCnt > 1
         }
 
         return true

app/src/main/kotlin/com/simplemobiletools/filemanager/pro/adapters/ItemsAdapter.kt

@@ -72,7 +72,7 @@ class ItemsAdapter(activity: SimpleActivity, var listItems: MutableList<ListItem
     private var timeFormat = ""
 
     private val config = activity.config
-    private val viewType = config.getFolderViewType(listItems.firstOrNull { !it.isSectionTitle }?.mPath ?: "")
+    private val viewType = config.getFolderViewType(listItems.firstOrNull { !it.isSectionTitle }?.mPath?.getParentPath() ?: "")
     private val isListViewType = viewType == VIEW_TYPE_LIST
 
     init {

app/src/main/kotlin/com/simplemobiletools/filemanager/pro/fragments/ItemsFragment.kt

@@ -9,10 +9,7 @@ import androidx.fragment.app.Fragment
 import com.simplemobiletools.commons.activities.BaseSimpleActivity
 import com.simplemobiletools.commons.dialogs.StoragePickerDialog
 import com.simplemobiletools.commons.extensions.*
-import com.simplemobiletools.commons.helpers.SORT_BY_SIZE
-import com.simplemobiletools.commons.helpers.VIEW_TYPE_GRID
-import com.simplemobiletools.commons.helpers.ensureBackgroundThread
-import com.simplemobiletools.commons.helpers.isRPlus
+import com.simplemobiletools.commons.helpers.*
 import com.simplemobiletools.commons.models.FileDirItem
 import com.simplemobiletools.commons.views.Breadcrumbs
 import com.simplemobiletools.commons.views.MyGridLayoutManager
@@ -46,6 +43,7 @@ class ItemsFragment : Fragment(), ItemOperationsListener, Breadcrumbs.Breadcrumb
     private var skipItemUpdating = false
     private var isSearchOpen = false
     private var lastSearchedText = ""
+    private var currentViewType = VIEW_TYPE_LIST
     private var scrollStates = HashMap<String, Parcelable>()
     private var zoomListener: MyRecyclerView.MyZoomListener? = null
 
@@ -71,7 +69,6 @@ class ItemsFragment : Fragment(), ItemOperationsListener, Breadcrumbs.Breadcrumb
             breadcrumbs.listener = this@ItemsFragment
             breadcrumbs.updateFontSize(context!!.getTextSize())
         }
-        setupLayoutManager(false)
         initZoomListener()
     }
 
@@ -159,6 +156,10 @@ class ItemsFragment : Fragment(), ItemOperationsListener, Breadcrumbs.Breadcrumb
             activity?.runOnUiThread {
                 activity?.invalidateOptionsMenu()
                 addItems(listItems, forceRefresh)
+                val curr = context?.config?.getFolderViewType(currentPath)
+                if (currentViewType != context?.config?.getFolderViewType(currentPath)) {
+                    setupLayoutManager(true)
+                }
             }
         }
     }
@@ -413,8 +414,10 @@ class ItemsFragment : Fragment(), ItemOperationsListener, Breadcrumbs.Breadcrumb
 
     fun setupLayoutManager(resetAdapter: Boolean) {
         if (context!!.config.getFolderViewType(currentPath) == VIEW_TYPE_GRID) {
+            currentViewType = VIEW_TYPE_GRID
             setupGridLayoutManager()
         } else {
+            currentViewType = VIEW_TYPE_LIST
             setupListLayoutManager()
         }
 
@@ -436,7 +439,7 @@ class ItemsFragment : Fragment(), ItemOperationsListener, Breadcrumbs.Breadcrumb
     }
 
     private fun initZoomListener() {
-        if (context?.config?.viewType == VIEW_TYPE_GRID) {
+        if (context?.config?.getFolderViewType(currentPath) == VIEW_TYPE_GRID) {
             val layoutManager = mView.items_list.layoutManager as MyGridLayoutManager
             zoomListener = object : MyRecyclerView.MyZoomListener {
                 override fun zoomIn() {