refactor: make tree view sorts in constant to avoid instantiating a n…

…ew sort

core/app/src/main/java/com/itsaky/androidide/fragments/sidebar/FileTreeFragment.kt

@@ -169,8 +169,8 @@ class FileTreeFragment : BottomSheetDialogFragment(), TreeNodeClickListener,
   }
 
   private fun listFilesForNode(files: Array<File>, parent: TreeNode) {
-    Arrays.sort(files, SortFileName())
-    Arrays.sort(files, SortFolder())
+    Arrays.sort(files, SORT_FILE_NAME)
+    Arrays.sort(files, SORT_FOLDER)
     for (file in files) {
       val node = TreeNode(file)
       node.viewHolder = FileTreeViewHolder(context)
@@ -278,6 +278,9 @@ class FileTreeFragment : BottomSheetDialogFragment(), TreeNodeClickListener,
   }
 
   companion object {
+
+    private val SORT_FILE_NAME = SortFileName()
+    private val SORT_FOLDER = SortFolder()
 
     // Should be same as defined in layout/activity_editor.xml
     const val TAG = "editor.fileTree"

utilities/treeview/src/main/java/com/unnamed/b/atv/model/TreeNode.java

@@ -18,6 +18,9 @@
 /** Created by Bogdan Melnychuk on 2/10/15. */
 public class TreeNode {
 
+  private static final SortFileName SORT_FILE_NAME = new SortFileName();
+  private static final SortFolder SORT_FOLDER = new SortFolder();
+
   public static final String NODES_ID_SEPARATOR = ":";
   private final List<TreeNode> children;
   private int mId;
@@ -63,8 +66,8 @@ public TreeNode addChild(TreeNode childNode, boolean sort) {
     children.add(childNode);
 
     if (sort) {
-      Collections.sort(children, new SortFileName());
-      Collections.sort(children, new SortFolder());
+      Collections.sort(children, SORT_FILE_NAME);
+      Collections.sort(children, SORT_FOLDER);
     }
     return this;
   }