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/*
* Copyright © 2014-2020 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
import me.zhanghai.android.fastscroll.FastScrollerBuilder
/**
* A fragment representing a list of Items.
*
* Large screen devices (such as tablets) are supported by replacing the ListView with a
* GridView.
*
*/
class PasswordFragment : 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
// Setup fast scroller
FastScrollerBuilder(recyclerView).build()
val fab = view.findViewById<FloatingActionButton>(R.id.fab)
fab.setOnClickListener {
toggleFabExpand(fab)
}
view.findViewById<FloatingActionButton>(R.id.create_folder).setOnClickListener {
(requireActivity() as PasswordStore).createFolder()
toggleFabExpand(fab)
}
view.findViewById<FloatingActionButton>(R.id.create_password).setOnClickListener {
(requireActivity() as PasswordStore).createPassword()
toggleFabExpand(fab)
}
registerForContextMenu(recyclerView)
return view
}
private fun toggleFabExpand(fab: FloatingActionButton) = with(fab) {
isExpanded = !isExpanded
isActivated = isExpanded
animate().rotationBy(if (isExpanded) -45f else 45f).setDuration(100).start()
}
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)
}
}
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