Popup menu on favourite tabs

app/src/main/java/org/koitharu/kotatsu/ui/list/favourites/FavouritesContainerFragment.kt

@@ -15,16 +15,21 @@ import org.koitharu.kotatsu.domain.favourites.FavouritesRepository
 import org.koitharu.kotatsu.domain.favourites.OnFavouritesChangeListener
 import org.koitharu.kotatsu.ui.base.BaseFragment
 import org.koitharu.kotatsu.ui.list.favourites.categories.CategoriesActivity
+import org.koitharu.kotatsu.ui.list.favourites.categories.CategoriesEditDelegate
 import org.koitharu.kotatsu.ui.list.favourites.categories.FavouriteCategoriesPresenter
 import org.koitharu.kotatsu.ui.list.favourites.categories.FavouriteCategoriesView
+import org.koitharu.kotatsu.utils.ext.showPopupMenu
 import java.util.*
 import kotlin.collections.ArrayList
 
 class FavouritesContainerFragment : BaseFragment(R.layout.fragment_favourites),
-	FavouriteCategoriesView,
-	OnFavouritesChangeListener {
+	FavouriteCategoriesView, OnFavouritesChangeListener, FavouritesTabLongClickListener,
+	CategoriesEditDelegate.CategoriesEditCallback {
 
 	private val presenter by moxyPresenter(factory = ::FavouriteCategoriesPresenter)
+	private val editDelegate by lazy(LazyThreadSafetyMode.NONE) {
+		CategoriesEditDelegate(requireContext(), this)
+	}
 
 	override fun onCreate(savedInstanceState: Bundle?) {
 		super.onCreate(savedInstanceState)
@@ -33,7 +38,7 @@ class FavouritesContainerFragment : BaseFragment(R.layout.fragment_favourites),
 
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
 		super.onViewCreated(view, savedInstanceState)
-		val adapter = FavouritesPagerAdapter(this)
+		val adapter = FavouritesPagerAdapter(this, this)
 		pager.adapter = adapter
 		TabLayoutMediator(tabs, pager, adapter).attach()
 		FavouritesRepository.subscribe(this)
@@ -82,6 +87,31 @@ class FavouritesContainerFragment : BaseFragment(R.layout.fragment_favourites),
 		presenter.loadAllCategories()
 	}
 
+	override fun onTabLongClick(tabView: View, category: FavouriteCategory): Boolean {
+		val menuRes = if (category.id == 0L) R.menu.popup_category_empty else R.menu.popup_category
+		tabView.showPopupMenu(menuRes) {
+			when (it.itemId) {
+				R.id.action_remove -> editDelegate.deleteCategory(category)
+				R.id.action_rename -> editDelegate.renameCategory(category)
+				R.id.action_create -> editDelegate.createCategory()
+			}
+			true
+		}
+		return true
+	}
+
+	override fun onDeleteCategory(category: FavouriteCategory) {
+		presenter.deleteCategory(category.id)
+	}
+
+	override fun onRenameCategory(category: FavouriteCategory, newName: String) {
+		presenter.renameCategory(category.id, newName)
+	}
+
+	override fun onCreateCategory(name: String) {
+		presenter.createCategory(name)
+	}
+
 	companion object {
 
 		fun newInstance() = FavouritesContainerFragment()

app/src/main/java/org/koitharu/kotatsu/ui/list/favourites/FavouritesPagerAdapter.kt

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.ui.list.favourites
 
+import android.view.View
 import androidx.fragment.app.Fragment
 import androidx.viewpager2.adapter.FragmentStateAdapter
 import com.google.android.material.tabs.TabLayout
@@ -8,8 +9,11 @@ import org.koitharu.kotatsu.core.model.FavouriteCategory
 import org.koitharu.kotatsu.ui.base.list.AdapterUpdater
 import org.koitharu.kotatsu.utils.ext.replaceWith
 
-class FavouritesPagerAdapter(fragment: Fragment) : FragmentStateAdapter(fragment),
-	TabLayoutMediator.TabConfigurationStrategy {
+class FavouritesPagerAdapter(
+	fragment: Fragment,
+	private val longClickListener: FavouritesTabLongClickListener
+) : FragmentStateAdapter(fragment),
+	TabLayoutMediator.TabConfigurationStrategy, View.OnLongClickListener {
 
 	private val dataSet = ArrayList<FavouriteCategory>()
 
@@ -23,6 +27,8 @@ class FavouritesPagerAdapter(fragment: Fragment) : FragmentStateAdapter(fragment
 	override fun onConfigureTab(tab: TabLayout.Tab, position: Int) {
 		val item = dataSet[position]
 		tab.text = item.title
+		tab.view.tag = item
+		tab.view.setOnLongClickListener(this)
 	}
 
 	fun replaceData(data: List<FavouriteCategory>) {
@@ -30,4 +36,9 @@ class FavouritesPagerAdapter(fragment: Fragment) : FragmentStateAdapter(fragment
 		dataSet.replaceWith(data)
 		updater(this)
 	}
+
+	override fun onLongClick(v: View): Boolean {
+		val item = v.tag as? FavouriteCategory ?: return false
+		return longClickListener.onTabLongClick(v, item)
+	}
 }

app/src/main/java/org/koitharu/kotatsu/ui/list/favourites/FavouritesTabLongClickListener.kt

@@ -0,0 +1,9 @@
+package org.koitharu.kotatsu.ui.list.favourites
+
+import android.view.View
+import org.koitharu.kotatsu.core.model.FavouriteCategory
+
+fun interface FavouritesTabLongClickListener {
+
+	fun onTabLongClick(tabView: View, category: FavouriteCategory): Boolean
+}

app/src/main/java/org/koitharu/kotatsu/ui/list/favourites/categories/CategoriesActivity.kt

@@ -5,31 +5,29 @@ import android.content.Intent
 import android.content.res.ColorStateList
 import android.graphics.Color
 import android.os.Bundle
-import android.text.InputType
 import android.view.View
 import androidx.core.view.isVisible
 import androidx.recyclerview.widget.DividerItemDecoration
 import androidx.recyclerview.widget.ItemTouchHelper
 import androidx.recyclerview.widget.RecyclerView
-import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.google.android.material.snackbar.Snackbar
 import kotlinx.android.synthetic.main.activity_categories.*
 import moxy.ktx.moxyPresenter
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.model.FavouriteCategory
 import org.koitharu.kotatsu.ui.base.BaseActivity
-import org.koitharu.kotatsu.ui.base.dialog.TextInputDialog
 import org.koitharu.kotatsu.ui.base.list.OnRecyclerItemClickListener
 import org.koitharu.kotatsu.utils.ext.getDisplayMessage
 import org.koitharu.kotatsu.utils.ext.showPopupMenu
 
 class CategoriesActivity : BaseActivity(), OnRecyclerItemClickListener<FavouriteCategory>,
-	FavouriteCategoriesView, View.OnClickListener {
+	FavouriteCategoriesView, View.OnClickListener, CategoriesEditDelegate.CategoriesEditCallback {
 
 	private val presenter by moxyPresenter(factory = ::FavouriteCategoriesPresenter)
 
 	private lateinit var adapter: CategoriesAdapter
 	private lateinit var reorderHelper: ItemTouchHelper
+	private lateinit var editDelegate: CategoriesEditDelegate
 
 	override fun onCreate(savedInstanceState: Bundle?) {
 		super.onCreate(savedInstanceState)
@@ -37,6 +35,7 @@ class CategoriesActivity : BaseActivity(), OnRecyclerItemClickListener<Favourite
 		supportActionBar?.setDisplayHomeAsUpEnabled(true)
 		fab_add.imageTintList = ColorStateList.valueOf(Color.WHITE)
 		adapter = CategoriesAdapter(this)
+		editDelegate = CategoriesEditDelegate(this, this)
 		recyclerView.addItemDecoration(DividerItemDecoration(this, RecyclerView.VERTICAL))
 		recyclerView.adapter = adapter
 		fab_add.setOnClickListener(this)
@@ -46,15 +45,15 @@ class CategoriesActivity : BaseActivity(), OnRecyclerItemClickListener<Favourite
 
 	override fun onClick(v: View) {
 		when (v.id) {
-			R.id.fab_add -> createCategory()
+			R.id.fab_add -> editDelegate.createCategory()
 		}
 	}
 
 	override fun onItemClick(item: FavouriteCategory, position: Int, view: View) {
 		view.showPopupMenu(R.menu.popup_category) {
 			when (it.itemId) {
-				R.id.action_remove -> deleteCategory(item)
-				R.id.action_rename -> renameCategory(item)
+				R.id.action_remove -> editDelegate.deleteCategory(item)
+				R.id.action_rename -> editDelegate.renameCategory(item)
 			}
 			true
 		}
@@ -79,42 +78,16 @@ class CategoriesActivity : BaseActivity(), OnRecyclerItemClickListener<Favourite
 			.show()
 	}
 
-	private fun deleteCategory(category: FavouriteCategory) {
-		MaterialAlertDialogBuilder(this)
-			.setMessage(getString(R.string.category_delete_confirm, category.title))
-			.setTitle(R.string.remove_category)
-			.setNegativeButton(android.R.string.cancel, null)
-			.setPositiveButton(R.string.remove) { _, _ ->
-				presenter.deleteCategory(category.id)
-			}.create()
-			.show()
+	override fun onDeleteCategory(category: FavouriteCategory) {
+		presenter.deleteCategory(category.id)
 	}
 
-	private fun renameCategory(category: FavouriteCategory) {
-		TextInputDialog.Builder(this)
-			.setTitle(R.string.rename)
-			.setText(category.title)
-			.setHint(R.string.enter_category_name)
-			.setInputType(InputType.TYPE_TEXT_VARIATION_PERSON_NAME or InputType.TYPE_TEXT_FLAG_CAP_SENTENCES)
-			.setNegativeButton(android.R.string.cancel)
-			.setMaxLength(12, false)
-			.setPositiveButton(R.string.rename) { _, name ->
-				presenter.renameCategory(category.id, name)
-			}.create()
-			.show()
+	override fun onRenameCategory(category: FavouriteCategory, newName: String) {
+		presenter.renameCategory(category.id, newName)
 	}
 
-	private fun createCategory() {
-		TextInputDialog.Builder(this)
-			.setTitle(R.string.add_new_category)
-			.setHint(R.string.enter_category_name)
-			.setInputType(InputType.TYPE_TEXT_VARIATION_PERSON_NAME or InputType.TYPE_TEXT_FLAG_CAP_SENTENCES)
-			.setNegativeButton(android.R.string.cancel)
-			.setMaxLength(12, false)
-			.setPositiveButton(R.string.add) { _, name ->
-				presenter.createCategory(name)
-			}.create()
-			.show()
+	override fun onCreateCategory(name: String) {
+		presenter.createCategory(name)
 	}
 
 	private inner class ReorderHelperCallback : ItemTouchHelper.SimpleCallback(

app/src/main/java/org/koitharu/kotatsu/ui/list/favourites/categories/CategoriesEditDelegate.kt

@@ -0,0 +1,61 @@
+package org.koitharu.kotatsu.ui.list.favourites.categories
+
+import android.content.Context
+import android.text.InputType
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.model.FavouriteCategory
+import org.koitharu.kotatsu.ui.base.dialog.TextInputDialog
+
+class CategoriesEditDelegate(
+	private val context: Context,
+	private val callback: CategoriesEditCallback
+) {
+
+	fun deleteCategory(category: FavouriteCategory) {
+		MaterialAlertDialogBuilder(context)
+			.setMessage(context.getString(R.string.category_delete_confirm, category.title))
+			.setTitle(R.string.remove_category)
+			.setNegativeButton(android.R.string.cancel, null)
+			.setPositiveButton(R.string.remove) { _, _ ->
+				callback.onDeleteCategory(category)
+			}.create()
+			.show()
+	}
+
+	fun renameCategory(category: FavouriteCategory) {
+		TextInputDialog.Builder(context)
+			.setTitle(R.string.rename)
+			.setText(category.title)
+			.setHint(R.string.enter_category_name)
+			.setInputType(InputType.TYPE_TEXT_VARIATION_PERSON_NAME or InputType.TYPE_TEXT_FLAG_CAP_SENTENCES)
+			.setNegativeButton(android.R.string.cancel)
+			.setMaxLength(12, false)
+			.setPositiveButton(R.string.rename) { _, name ->
+				callback.onRenameCategory(category, name)
+			}.create()
+			.show()
+	}
+
+	fun createCategory() {
+		TextInputDialog.Builder(context)
+			.setTitle(R.string.add_new_category)
+			.setHint(R.string.enter_category_name)
+			.setInputType(InputType.TYPE_TEXT_VARIATION_PERSON_NAME or InputType.TYPE_TEXT_FLAG_CAP_SENTENCES)
+			.setNegativeButton(android.R.string.cancel)
+			.setMaxLength(12, false)
+			.setPositiveButton(R.string.add) { _, name ->
+				callback.onCreateCategory(name)
+			}.create()
+			.show()
+	}
+
+	interface CategoriesEditCallback {
+
+		fun onDeleteCategory(category: FavouriteCategory)
+
+		fun onRenameCategory(category: FavouriteCategory, newName: String)
+
+		fun onCreateCategory(name: String)
+	}
+}

app/src/main/java/org/koitharu/kotatsu/ui/list/favourites/categories/FavouriteCategoriesPresenter.kt

@@ -45,7 +45,6 @@ class FavouriteCategoriesPresenter : BasePresenter<FavouriteCategoriesView>() {
 	fun renameCategory(id: Long, name: String) {
 		launchJob {
 			repository.renameCategory(id, name)
-
 		}
 	}
 

app/src/main/java/org/koitharu/kotatsu/utils/ext/ViewExt.kt

@@ -3,7 +3,10 @@ package org.koitharu.kotatsu.utils.ext
 import android.app.Activity
 import android.graphics.Rect
 import android.util.Log
-import android.view.*
+import android.view.LayoutInflater
+import android.view.Menu
+import android.view.View
+import android.view.ViewGroup
 import android.view.inputmethod.InputMethodManager
 import android.widget.TextView
 import androidx.annotation.LayoutRes
@@ -14,7 +17,6 @@ import androidx.core.view.isGone
 import androidx.core.view.isVisible
 import androidx.core.view.postDelayed
 import androidx.drawerlayout.widget.DrawerLayout
-import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import androidx.viewpager2.widget.ViewPager2
@@ -35,13 +37,6 @@ fun View.showKeyboard() {
 inline fun <reified T : View> ViewGroup.inflate(@LayoutRes resId: Int) =
 	LayoutInflater.from(context).inflate(resId, this, false) as T
 
-fun RecyclerView.lookupSpanSize(callback: (Int) -> Int) {
-	(layoutManager as? GridLayoutManager)?.spanSizeLookup =
-		object : GridLayoutManager.SpanSizeLookup() {
-			override fun getSpanSize(position: Int) = callback(position)
-		}
-}
-
 val RecyclerView.hasItems: Boolean
 	get() = (adapter?.itemCount ?: 0) > 0
 
@@ -82,14 +77,15 @@ fun View.disableFor(timeInMillis: Long) {
 	}
 }
 
-fun View.showPopupMenu(
-	@MenuRes menuRes: Int, onPrepare: ((Menu) -> Unit)? = null,
-	onItemClick: (MenuItem) -> Boolean
+inline fun View.showPopupMenu(
+	@MenuRes menuRes: Int,
+	onPrepare: (Menu) -> Unit = {},
+	onItemClick: PopupMenu.OnMenuItemClickListener
 ) {
 	val menu = PopupMenu(context, this)
 	menu.inflate(menuRes)
 	menu.setOnMenuItemClickListener(onItemClick)
-	onPrepare?.invoke(menu.menu)
+	onPrepare(menu.menu)
 	menu.show()
 }
 

app/src/main/res/menu/popup_category_empty.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu
+	xmlns:android="http://schemas.android.com/apk/res/android">
+
+	<item
+		android:id="@+id/action_create"
+		android:title="@string/create_category" />
+
+</menu>

app/src/main/res/values-ru/strings.xml

@@ -162,4 +162,5 @@
 	<string name="right_to_left">Справа налево</string>
 	<string name="prefer_rtl_reader">Предпочитать режим Справа налево</string>
 	<string name="prefer_rtl_reader_summary">Вы можете настроить режим чтения для каждой манги отдельно</string>
+	<string name="create_category">Создать категорию</string>
 </resources>

app/src/main/res/values/strings.xml

@@ -163,4 +163,5 @@
 	<string name="right_to_left">Right to left</string>
 	<string name="prefer_rtl_reader">Prefer Right to left reader</string>
 	<string name="prefer_rtl_reader_summary">You can set up the reading mode for each manga separately</string>
+	<string name="create_category">New category</string>
 </resources>