Convert SelectFolderFragment to Kotlin

Signed-off-by: Harsh Shandilya <msfjarvis@gmail.com>

2 files changed, 117 insertions, 132 deletions

diff --git a/app/src/main/java/com/zeapo/pwdstore/SelectFolderFragment.java b/app/src/main/java/com/zeapo/pwdstore/SelectFolderFragment.java
deleted file mode 100644
index c9b6b5f2..00000000
--- a/app/src/main/java/com/zeapo/pwdstore/SelectFolderFragment.java
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * Copyright © 2014-2019 The Android Password Store Authors. All Rights Reserved.
- * SPDX-License-Identifier: GPL-3.0-only
- */
-package com.zeapo.pwdstore;
-
-import android.content.Context;
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import androidx.annotation.NonNull;
-import androidx.appcompat.app.AppCompatActivity;
-import androidx.fragment.app.Fragment;
-import androidx.preference.PreferenceManager;
-import androidx.recyclerview.widget.DividerItemDecoration;
-import androidx.recyclerview.widget.LinearLayoutManager;
-import androidx.recyclerview.widget.RecyclerView;
-import com.google.android.material.floatingactionbutton.FloatingActionButton;
-import com.zeapo.pwdstore.ui.adapters.FolderRecyclerAdapter;
-import com.zeapo.pwdstore.utils.PasswordItem;
-import com.zeapo.pwdstore.utils.PasswordRepository;
-import java.io.File;
-import java.util.Stack;
-
-/**
- * A fragment representing a list of Items.
- *
- * <p>Large screen devices (such as tablets) are supported by replacing the ListView with a
- * GridView.
- *
- * <p>
- */
-public class SelectFolderFragment extends Fragment {
-
-    // store the pass files list in a stack
-    private Stack<File> pathStack;
-    private FolderRecyclerAdapter recyclerAdapter;
-    private RecyclerView recyclerView;
-    private OnFragmentInteractionListener mListener;
-
-    /**
-     * Mandatory empty constructor for the fragment manager to instantiate the fragment (e.g. upon
-     * screen orientation changes).
-     */
-    public SelectFolderFragment() {}
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        String path = getArguments().getString("Path");
-
-        pathStack = new Stack<>();
-        recyclerAdapter =
-                new FolderRecyclerAdapter(
-                        mListener,
-                        PasswordRepository.getPasswords(
-                                new File(path),
-                                PasswordRepository.getRepositoryDirectory(requireActivity()),
-                                getSortOrder()));
-    }
-
-    @Override
-    public View onCreateView(
-            @NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
-        View view = inflater.inflate(R.layout.password_recycler_view, container, false);
-
-        // use a linear layout manager
-        recyclerView = view.findViewById(R.id.pass_recycler);
-        recyclerView.setLayoutManager(new LinearLayoutManager(requireContext()));
-
-        // use divider
-        recyclerView.addItemDecoration(
-                new DividerItemDecoration(requireContext(), DividerItemDecoration.VERTICAL));
-
-        // Set the adapter
-        recyclerView.setAdapter(recyclerAdapter);
-        FloatingActionButton fab = view.findViewById(R.id.fab);
-        if (fab != null) fab.hide();
-
-        registerForContextMenu(recyclerView);
-        return view;
-    }
-
-    @Override
-    public void onAttach(final Context context) {
-        super.onAttach(context);
-        try {
-            mListener =
-                    item -> {
-                        if (item.getType() == PasswordItem.TYPE_CATEGORY) {
-                            // push the category were we're going
-                            pathStack.push(item.getFile());
-
-                            recyclerView.scrollToPosition(0);
-                            recyclerAdapter.clear();
-                            recyclerAdapter.addAll(
-                                    PasswordRepository.getPasswords(
-                                            item.getFile(),
-                                            PasswordRepository.getRepositoryDirectory(context),
-                                            getSortOrder()));
-
-                            ((AppCompatActivity) requireActivity())
-                                    .getSupportActionBar()
-                                    .setDisplayHomeAsUpEnabled(true);
-                        }
-                    };
-        } catch (ClassCastException e) {
-            throw new ClassCastException(
-                    context.toString() + " must implement OnFragmentInteractionListener");
-        }
-    }
-
-    /**
-     * gets the current directory
-     *
-     * @return the current directory
-     */
-    public File getCurrentDir() {
-        if (pathStack.isEmpty()) return PasswordRepository.getRepositoryDirectory(requireContext());
-        else return pathStack.peek();
-    }
-
-    private PasswordRepository.PasswordSortOrder getSortOrder() {
-        return PasswordRepository.PasswordSortOrder.getSortOrder(
-                PreferenceManager.getDefaultSharedPreferences(requireContext()));
-    }
-
-    public interface OnFragmentInteractionListener {
-        void onFragmentInteraction(PasswordItem item);
-    }
-}
diff --git a/app/src/main/java/com/zeapo/pwdstore/SelectFolderFragment.kt b/app/src/main/java/com/zeapo/pwdstore/SelectFolderFragment.kt
new file mode 100644
index 00000000..2668517b
--- /dev/null
+++ b/app/src/main/java/com/zeapo/pwdstore/SelectFolderFragment.kt
@@ -0,0 +1,117 @@
+/*
+ * Copyright © 2014-2019 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+package com.zeapo.pwdstore
+
+import android.content.Context
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.appcompat.app.AppCompatActivity
+import androidx.fragment.app.Fragment
+import androidx.preference.PreferenceManager
+import androidx.recyclerview.widget.DividerItemDecoration
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import com.google.android.material.floatingactionbutton.FloatingActionButton
+import com.zeapo.pwdstore.ui.adapters.FolderRecyclerAdapter
+import com.zeapo.pwdstore.utils.PasswordItem
+import com.zeapo.pwdstore.utils.PasswordRepository
+import com.zeapo.pwdstore.utils.PasswordRepository.Companion.getPasswords
+import com.zeapo.pwdstore.utils.PasswordRepository.Companion.getRepositoryDirectory
+import com.zeapo.pwdstore.utils.PasswordRepository.PasswordSortOrder.Companion.getSortOrder
+import java.io.File
+import java.util.Stack
+
+/**
+ * A fragment representing a list of Items.
+ *
+ *
+ * Large screen devices (such as tablets) are supported by replacing the ListView with a
+ * GridView.
+ *
+ *
+ *
+ */
+
+class SelectFolderFragment : Fragment() {
+    // store the pass files list in a stack
+    private lateinit var pathStack: Stack<File>
+    private lateinit var recyclerAdapter: FolderRecyclerAdapter
+    private lateinit var recyclerView: RecyclerView
+    private lateinit var mListener: OnFragmentInteractionListener
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        val path = requireArguments().getString("Path")
+        pathStack = Stack()
+        recyclerAdapter = FolderRecyclerAdapter(
+                mListener,
+                getPasswords(
+                        File(path),
+                        getRepositoryDirectory(requireActivity())!!,
+                        sortOrder))
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        val view = inflater.inflate(R.layout.password_recycler_view, container, false)
+        // use a linear layout manager
+        recyclerView = view.findViewById(R.id.pass_recycler)
+        recyclerView.layoutManager = LinearLayoutManager(requireContext())
+        // use divider
+        recyclerView.addItemDecoration(
+                DividerItemDecoration(requireContext(), DividerItemDecoration.VERTICAL))
+        // Set the adapter
+        recyclerView.adapter = recyclerAdapter
+        val fab: FloatingActionButton = view.findViewById(R.id.fab)
+        fab.hide()
+        registerForContextMenu(recyclerView)
+        return view
+    }
+
+    override fun onAttach(context: Context) {
+        super.onAttach(context)
+        try {
+            mListener = object : OnFragmentInteractionListener {
+                override fun onFragmentInteraction(item: PasswordItem) {
+                    if (item.type == PasswordItem.TYPE_CATEGORY) {
+                        // push the category were we're going
+                        pathStack.push(item.file)
+                        recyclerView.scrollToPosition(0)
+                        recyclerAdapter.clear()
+                        recyclerAdapter.addAll(
+                                getPasswords(
+                                        item.file,
+                                        getRepositoryDirectory(context)!!,
+                                        sortOrder))
+                        (requireActivity() as AppCompatActivity).supportActionBar?.setDisplayHomeAsUpEnabled(true)
+                    }
+                }
+            }
+        } catch (e: ClassCastException) {
+            throw ClassCastException(
+                    "$context must implement OnFragmentInteractionListener")
+        }
+    }
+
+    /**
+     * gets the current directory
+     *
+     * @return the current directory
+     */
+    val currentDir: File?
+        get() = if (pathStack.isEmpty()) getRepositoryDirectory(requireContext()) else pathStack.peek()
+
+    private val sortOrder: PasswordRepository.PasswordSortOrder
+        get() = getSortOrder(PreferenceManager.getDefaultSharedPreferences(requireContext()))
+
+    interface OnFragmentInteractionListener {
+        fun onFragmentInteraction(item: PasswordItem)
+    }
+}