Rewrite PasswordFragment in Kotlin

Signed-off-by: Harsh Shandilya <msfjarvis@gmail.com>
This commit is contained in:
Harsh Shandilya 2019-11-04 19:18:49 +05:30
parent 14d997f500
commit 8fc7dd3d42
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2 changed files with 206 additions and 257 deletions

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@ -1,257 +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.content.SharedPreferences;
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.PasswordRecyclerAdapter;
import com.zeapo.pwdstore.utils.PasswordItem;
import com.zeapo.pwdstore.utils.PasswordRepository;
import java.io.File;
import java.util.ArrayList;
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 PasswordFragment extends Fragment {
// store the pass files list in a stack
private Stack<ArrayList<PasswordItem>> passListStack;
private Stack<File> pathStack;
private Stack<Integer> scrollPosition;
private PasswordRecyclerAdapter recyclerAdapter;
private RecyclerView recyclerView;
private OnFragmentInteractionListener mListener;
private SharedPreferences settings;
/**
* Mandatory empty constructor for the fragment manager to instantiate the fragment (e.g. upon
* screen orientation changes).
*/
public PasswordFragment() {}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
String path = getArguments().getString("Path");
settings = PreferenceManager.getDefaultSharedPreferences(requireActivity());
passListStack = new Stack<>();
scrollPosition = new Stack<>();
pathStack = new Stack<>();
recyclerAdapter =
new PasswordRecyclerAdapter(
(PasswordStore) requireActivity(),
mListener,
PasswordRepository.getPasswords(
new File(path),
PasswordRepository.getRepositoryDirectory(requireContext()),
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.LayoutManager mLayoutManager = new LinearLayoutManager(requireContext());
recyclerView = view.findViewById(R.id.pass_recycler);
recyclerView.setLayoutManager(mLayoutManager);
// use divider
recyclerView.addItemDecoration(
new DividerItemDecoration(requireContext(), DividerItemDecoration.VERTICAL));
// Set the adapter
recyclerView.setAdapter(recyclerAdapter);
final FloatingActionButton fab = view.findViewById(R.id.fab);
fab.setOnClickListener(v -> ((PasswordStore) requireActivity()).createPassword());
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 current password list (non filtered plz!)
passListStack.push(
pathStack.isEmpty()
? PasswordRepository.getPasswords(
PasswordRepository.getRepositoryDirectory(
context),
getSortOrder())
: PasswordRepository.getPasswords(
pathStack.peek(),
PasswordRepository.getRepositoryDirectory(
context),
getSortOrder()));
// push the category were we're going
pathStack.push(item.getFile());
scrollPosition.push(recyclerView.getVerticalScrollbarPosition());
recyclerView.scrollToPosition(0);
recyclerAdapter.clear();
recyclerAdapter.addAll(
PasswordRepository.getPasswords(
item.getFile(),
PasswordRepository.getRepositoryDirectory(context),
getSortOrder()));
((AppCompatActivity) requireActivity())
.getSupportActionBar()
.setDisplayHomeAsUpEnabled(true);
} else {
if (getArguments().getBoolean("matchWith", false)) {
((PasswordStore) requireActivity()).matchPasswordWithApp(item);
} else {
((PasswordStore) requireActivity()).decryptPassword(item);
}
}
};
} catch (ClassCastException e) {
throw new ClassCastException(context + " must implement OnFragmentInteractionListener");
}
}
/** clears the adapter content and sets it back to the root view */
public void updateAdapter() {
passListStack.clear();
pathStack.clear();
scrollPosition.clear();
recyclerAdapter.clear();
recyclerAdapter.addAll(
PasswordRepository.getPasswords(
PasswordRepository.getRepositoryDirectory(requireContext()),
getSortOrder()));
((AppCompatActivity) requireActivity())
.getSupportActionBar()
.setDisplayHomeAsUpEnabled(false);
}
/** refreshes the adapter with the latest opened category */
public void refreshAdapter() {
recyclerAdapter.clear();
recyclerAdapter.addAll(
pathStack.isEmpty()
? PasswordRepository.getPasswords(
PasswordRepository.getRepositoryDirectory(requireContext()),
getSortOrder())
: PasswordRepository.getPasswords(
pathStack.peek(),
PasswordRepository.getRepositoryDirectory(requireContext()),
getSortOrder()));
}
/**
* filters the list adapter
*
* @param filter the filter to apply
*/
public void filterAdapter(String filter) {
if (filter.isEmpty()) {
refreshAdapter();
} else {
recursiveFilter(filter, pathStack.isEmpty() ? null : pathStack.peek());
}
}
/**
* recursively filters a directory and extract all the matching items
*
* @param filter the filter to apply
* @param dir the directory to filter
*/
private void recursiveFilter(String filter, File dir) {
// on the root the pathStack is empty
ArrayList<PasswordItem> passwordItems =
dir == null
? PasswordRepository.getPasswords(
PasswordRepository.getRepositoryDirectory(requireContext()),
getSortOrder())
: PasswordRepository.getPasswords(
dir,
PasswordRepository.getRepositoryDirectory(requireContext()),
getSortOrder());
boolean rec = settings.getBoolean("filter_recursively", true);
for (PasswordItem item : passwordItems) {
if (item.getType() == PasswordItem.TYPE_CATEGORY && rec) {
recursiveFilter(filter, item.getFile());
}
boolean matches = item.toString().toLowerCase().contains(filter.toLowerCase());
boolean inAdapter = recyclerAdapter.getValues().contains(item);
if (matches && !inAdapter) {
recyclerAdapter.add(item);
} else if (!matches && inAdapter) {
recyclerAdapter.remove(recyclerAdapter.getValues().indexOf(item));
}
}
}
/** Goes back one level back in the path */
public void popBack() {
if (passListStack.isEmpty()) return;
recyclerView.scrollToPosition(scrollPosition.pop());
recyclerAdapter.clear();
recyclerAdapter.addAll(passListStack.pop());
pathStack.pop();
}
/**
* gets the current directory
*
* @return the current directory
*/
public File getCurrentDir() {
if (pathStack.isEmpty()) return PasswordRepository.getRepositoryDirectory(requireContext());
else return pathStack.peek();
}
public boolean isNotEmpty() {
return !passListStack.isEmpty();
}
public void dismissActionMode() {
if (recyclerAdapter != null && recyclerAdapter.getActionMode() != null) {
recyclerAdapter.getActionMode().finish();
}
}
private PasswordRepository.PasswordSortOrder getSortOrder() {
return PasswordRepository.PasswordSortOrder.getSortOrder(settings);
}
public interface OnFragmentInteractionListener {
void onFragmentInteraction(PasswordItem item);
}
}

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/*
* 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.content.SharedPreferences
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.PasswordRecyclerAdapter
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.Locale
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 PasswordFragment
/**
* Mandatory empty constructor for the fragment manager to instantiate the fragment (e.g. upon
* screen orientation changes).
*/
: Fragment() {
// store the pass files list in a stack
private var passListStack: Stack<ArrayList<PasswordItem>> = Stack()
private var pathStack: Stack<File> = Stack()
private var scrollPosition: Stack<Int> = Stack()
private lateinit var recyclerAdapter: PasswordRecyclerAdapter
private lateinit var recyclerView: RecyclerView
private lateinit var listener: OnFragmentInteractionListener
private lateinit var settings: SharedPreferences
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
val path = requireNotNull(requireArguments().getString("Path"))
settings = PreferenceManager.getDefaultSharedPreferences(requireActivity())
recyclerAdapter = PasswordRecyclerAdapter((requireActivity() as PasswordStore),
listener, getPasswords(File(path), getRepositoryDirectory(requireContext()), 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
val layoutManager = LinearLayoutManager(requireContext())
recyclerView = view.findViewById(R.id.pass_recycler)
recyclerView.layoutManager = layoutManager
// use divider
recyclerView.addItemDecoration(DividerItemDecoration(requireContext(), DividerItemDecoration.VERTICAL))
// Set the adapter
recyclerView.adapter = recyclerAdapter
val fab: FloatingActionButton = view.findViewById(R.id.fab)
fab.setOnClickListener { (requireActivity() as PasswordStore).createPassword() }
registerForContextMenu(recyclerView)
return view
}
override fun onAttach(context: Context) {
super.onAttach(context)
try {
listener = object : OnFragmentInteractionListener {
override fun onFragmentInteraction(item: PasswordItem) {
if (item.type == PasswordItem.TYPE_CATEGORY) { // push the current password list (non filtered plz!)
passListStack.push(
if (pathStack.isEmpty())
getPasswords(getRepositoryDirectory(context), sortOrder)
else
getPasswords(pathStack.peek(), getRepositoryDirectory(context), sortOrder)
)
// push the category were we're going
pathStack.push(item.file)
scrollPosition.push(recyclerView.verticalScrollbarPosition)
recyclerView.scrollToPosition(0)
recyclerAdapter.clear()
recyclerAdapter.addAll(getPasswords(item.file, getRepositoryDirectory(context), sortOrder))
(requireActivity() as AppCompatActivity).supportActionBar?.setDisplayHomeAsUpEnabled(true)
} else {
if (requireArguments().getBoolean("matchWith", false)) {
(requireActivity() as PasswordStore).matchPasswordWithApp(item)
} else {
(requireActivity() as PasswordStore).decryptPassword(item)
}
}
}
}
} catch (e: ClassCastException) {
throw ClassCastException("$context must implement OnFragmentInteractionListener")
}
}
/** clears the adapter content and sets it back to the root view */
fun updateAdapter() {
passListStack.clear()
pathStack.clear()
scrollPosition.clear()
recyclerAdapter.clear()
recyclerAdapter.addAll(getPasswords(getRepositoryDirectory(requireContext()), sortOrder))
(requireActivity() as AppCompatActivity).supportActionBar?.setDisplayHomeAsUpEnabled(false)
}
/** refreshes the adapter with the latest opened category */
fun refreshAdapter() {
recyclerAdapter.clear()
recyclerAdapter.addAll(
if (pathStack.isEmpty())
getPasswords(getRepositoryDirectory(requireContext()), sortOrder)
else
getPasswords(pathStack.peek(), getRepositoryDirectory(requireContext()), sortOrder)
)
}
/**
* filters the list adapter
*
* @param filter the filter to apply
*/
fun filterAdapter(filter: String) {
if (filter.isEmpty()) {
refreshAdapter()
} else {
recursiveFilter(filter, if (pathStack.isEmpty()) null else pathStack.peek())
}
}
/**
* recursively filters a directory and extract all the matching items
*
* @param filter the filter to apply
* @param dir the directory to filter
*/
private fun recursiveFilter(filter: String, dir: File?) { // on the root the pathStack is empty
val passwordItems = if (dir == null)
getPasswords(getRepositoryDirectory(requireContext()), sortOrder)
else
getPasswords(dir, getRepositoryDirectory(requireContext()), sortOrder)
val rec = settings.getBoolean("filter_recursively", true)
for (item in passwordItems) {
if (item.type == PasswordItem.TYPE_CATEGORY && rec) {
recursiveFilter(filter, item.file)
}
val matches = item.toString().toLowerCase(Locale.ROOT).contains(filter.toLowerCase(Locale.ROOT))
val inAdapter = recyclerAdapter.values.contains(item)
if (matches && !inAdapter) {
recyclerAdapter.add(item)
} else if (!matches && inAdapter) {
recyclerAdapter.remove(recyclerAdapter.values.indexOf(item))
}
}
}
/** Goes back one level back in the path */
fun popBack() {
if (passListStack.isEmpty()) return
recyclerView.scrollToPosition(scrollPosition.pop())
recyclerAdapter.clear()
recyclerAdapter.addAll(passListStack.pop())
pathStack.pop()
}
/**
* gets the current directory
*
* @return the current directory
*/
val currentDir: File?
get() = if (pathStack.isEmpty()) getRepositoryDirectory(requireContext()) else pathStack.peek()
val isNotEmpty: Boolean
get() = !passListStack.isEmpty()
fun dismissActionMode() {
recyclerAdapter.actionMode?.finish()
}
private val sortOrder: PasswordRepository.PasswordSortOrder
get() = getSortOrder(settings)
interface OnFragmentInteractionListener {
fun onFragmentInteraction(item: PasswordItem)
}
}