chinwag-android/app/src/main/java/com/keylesspalace/tusky/TabPreferenceActivity.kt

290 lines
10 KiB
Kotlin

/* Copyright 2019 Conny Duck
*
* This file is a part of Tusky.
*
* This program is free software; you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along with Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky
import android.os.Bundle
import android.view.MenuItem
import androidx.appcompat.app.AlertDialog
import androidx.appcompat.widget.AppCompatEditText
import androidx.lifecycle.Lifecycle
import androidx.recyclerview.widget.DividerItemDecoration
import androidx.recyclerview.widget.ItemTouchHelper
import androidx.recyclerview.widget.LinearLayoutManager
import androidx.recyclerview.widget.RecyclerView
import com.keylesspalace.tusky.adapter.ItemInteractionListener
import com.keylesspalace.tusky.adapter.TabAdapter
import com.keylesspalace.tusky.appstore.EventHub
import com.keylesspalace.tusky.appstore.MainTabsChangedEvent
import com.keylesspalace.tusky.di.Injectable
import com.keylesspalace.tusky.util.onTextChanged
import com.keylesspalace.tusky.util.visible
import com.uber.autodispose.android.lifecycle.AndroidLifecycleScopeProvider.from
import com.uber.autodispose.autoDisposable
import io.reactivex.Single
import io.reactivex.schedulers.Schedulers
import kotlinx.android.synthetic.main.activity_tab_preference.*
import kotlinx.android.synthetic.main.toolbar_basic.*
import java.util.regex.Pattern
import javax.inject.Inject
class TabPreferenceActivity : BaseActivity(), Injectable, ItemInteractionListener {
@Inject
lateinit var eventHub: EventHub
private lateinit var currentTabs: MutableList<TabData>
private lateinit var currentTabsAdapter: TabAdapter
private lateinit var touchHelper: ItemTouchHelper
private lateinit var addTabAdapter: TabAdapter
private var tabsChanged = false
private val selectedItemElevation by lazy { resources.getDimension(R.dimen.selected_drag_item_elevation) }
private val hashtagRegex by lazy { Pattern.compile("([\\w_]*[\\p{Alpha}_][\\w_]*)", Pattern.CASE_INSENSITIVE) }
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_tab_preference)
setSupportActionBar(toolbar)
supportActionBar?.apply {
setTitle(R.string.title_tab_preferences)
setDisplayHomeAsUpEnabled(true)
setDisplayShowHomeEnabled(true)
}
currentTabs = (accountManager.activeAccount?.tabPreferences ?: emptyList()).toMutableList()
currentTabsAdapter = TabAdapter(currentTabs, false, this)
currentTabsRecyclerView.adapter = currentTabsAdapter
currentTabsRecyclerView.layoutManager = LinearLayoutManager(this)
currentTabsRecyclerView.addItemDecoration(DividerItemDecoration(this, LinearLayoutManager.VERTICAL))
addTabAdapter = TabAdapter(listOf(createTabDataFromId(DIRECT)), true, this)
addTabRecyclerView.adapter = addTabAdapter
addTabRecyclerView.layoutManager = LinearLayoutManager(this)
touchHelper = ItemTouchHelper(object : ItemTouchHelper.Callback() {
override fun getMovementFlags(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder): Int {
return makeMovementFlags(ItemTouchHelper.UP or ItemTouchHelper.DOWN, ItemTouchHelper.END)
}
override fun isLongPressDragEnabled(): Boolean {
return true
}
override fun isItemViewSwipeEnabled(): Boolean {
return MIN_TAB_COUNT < currentTabs.size
}
override fun onMove(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder, target: RecyclerView.ViewHolder): Boolean {
val temp = currentTabs[viewHolder.adapterPosition]
currentTabs[viewHolder.adapterPosition] = currentTabs[target.adapterPosition]
currentTabs[target.adapterPosition] = temp
currentTabsAdapter.notifyItemMoved(viewHolder.adapterPosition, target.adapterPosition)
saveTabs()
return true
}
override fun onSwiped(viewHolder: RecyclerView.ViewHolder, direction: Int) {
currentTabs.removeAt(viewHolder.adapterPosition)
currentTabsAdapter.notifyItemRemoved(viewHolder.adapterPosition)
updateAvailableTabs()
saveTabs()
}
override fun onSelectedChanged(viewHolder: RecyclerView.ViewHolder?, actionState: Int) {
if (actionState == ItemTouchHelper.ACTION_STATE_DRAG) {
viewHolder?.itemView?.elevation = selectedItemElevation
}
}
override fun clearView(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder) {
super.clearView(recyclerView, viewHolder)
viewHolder.itemView.elevation = 0f
}
})
touchHelper.attachToRecyclerView(currentTabsRecyclerView)
actionButton.setOnClickListener {
actionButton.isExpanded = true
}
scrim.setOnClickListener {
actionButton.isExpanded = false
}
maxTabsInfo.text = getString(R.string.max_tab_number_reached, MAX_TAB_COUNT)
updateAvailableTabs()
}
override fun onTabAdded(tab: TabData) {
if (currentTabs.size >= MAX_TAB_COUNT) {
return
}
actionButton.isExpanded = false
if (tab.id == HASHTAG) {
showEditHashtagDialog()
return
}
currentTabs.add(tab)
currentTabsAdapter.notifyItemInserted(currentTabs.size - 1)
updateAvailableTabs()
saveTabs()
}
override fun onActionChipClicked(tab: TabData) {
showEditHashtagDialog(tab)
}
private fun showEditHashtagDialog(tab: TabData? = null) {
val editText = AppCompatEditText(this)
editText.setHint(R.string.edit_hashtag_hint)
editText.setText("")
editText.append(tab?.arguments?.first().orEmpty())
val dialog = AlertDialog.Builder(this)
.setTitle(R.string.edit_hashtag_title)
.setView(editText)
.setNegativeButton(android.R.string.cancel, null)
.setPositiveButton(R.string.action_save) { _, _ ->
val input = editText.text.toString().trim()
if (tab == null) {
val newTab = createTabDataFromId(HASHTAG, listOf(input))
currentTabs.add(newTab)
currentTabsAdapter.notifyItemInserted(currentTabs.size - 1)
} else {
val newTab = tab.copy(arguments = listOf(input))
val position = currentTabs.indexOf(tab)
currentTabs[position] = newTab
currentTabsAdapter.notifyItemChanged(position)
}
updateAvailableTabs()
saveTabs()
}
.create()
editText.onTextChanged { s, _, _, _ ->
dialog.getButton(AlertDialog.BUTTON_POSITIVE).isEnabled = validateHashtag(s)
}
dialog.show()
dialog.getButton(AlertDialog.BUTTON_POSITIVE).isEnabled = validateHashtag(editText.text)
editText.requestFocus()
}
private fun validateHashtag(input: CharSequence?): Boolean {
val trimmedInput = input?.trim() ?: ""
return trimmedInput.isNotEmpty() && hashtagRegex.matcher(trimmedInput).matches()
}
private fun updateAvailableTabs() {
val addableTabs: MutableList<TabData> = mutableListOf()
val homeTab = createTabDataFromId(HOME)
if (!currentTabs.contains(homeTab)) {
addableTabs.add(homeTab)
}
val notificationTab = createTabDataFromId(NOTIFICATIONS)
if (!currentTabs.contains(notificationTab)) {
addableTabs.add(notificationTab)
}
val localTab = createTabDataFromId(LOCAL)
if (!currentTabs.contains(localTab)) {
addableTabs.add(localTab)
}
val federatedTab = createTabDataFromId(FEDERATED)
if (!currentTabs.contains(federatedTab)) {
addableTabs.add(federatedTab)
}
val directMessagesTab = createTabDataFromId(DIRECT)
if (!currentTabs.contains(directMessagesTab)) {
addableTabs.add(directMessagesTab)
}
addableTabs.add(createTabDataFromId(HASHTAG))
addTabAdapter.updateData(addableTabs)
maxTabsInfo.visible(addableTabs.size == 0 || currentTabs.size >= MAX_TAB_COUNT)
}
override fun onStartDelete(viewHolder: RecyclerView.ViewHolder) {
touchHelper.startSwipe(viewHolder)
}
override fun onStartDrag(viewHolder: RecyclerView.ViewHolder) {
touchHelper.startDrag(viewHolder)
}
private fun saveTabs() {
accountManager.activeAccount?.let {
Single.fromCallable {
it.tabPreferences = currentTabs
accountManager.saveAccount(it)
}
.subscribeOn(Schedulers.io())
.autoDisposable(from(this, Lifecycle.Event.ON_DESTROY))
.subscribe()
}
tabsChanged = true
}
override fun onBackPressed() {
if (actionButton.isExpanded) {
actionButton.isExpanded = false
} else {
super.onBackPressed()
}
}
override fun onOptionsItemSelected(item: MenuItem): Boolean {
if (item.itemId == android.R.id.home) {
onBackPressed()
return true
}
return false
}
override fun onPause() {
super.onPause()
if (tabsChanged) {
eventHub.dispatch(MainTabsChangedEvent(currentTabs))
}
}
companion object {
private const val MIN_TAB_COUNT = 2
private const val MAX_TAB_COUNT = 5
}
}