Option to collaspe categories

Sort button on category now shows category direction
Category name now a bit larger

app/src/main/java/eu/kanade/tachiyomi/data/database/models/Category.kt

@@ -25,6 +25,8 @@ interface Category : Serializable {
     val nameLower: String
         get() = name.toLowerCase()
 
+    var isHidden: Boolean
+
     fun isAscending(): Boolean {
         return ((mangaSort?.minus('a') ?: 0) % 2) != 1
     }
@@ -47,7 +49,7 @@ interface Category : Serializable {
         LAST_READ_ASC, LAST_READ_DSC -> R.string.last_read
         TOTAL_ASC, TOTAL_DSC -> R.string.total_chapters
         DATE_ADDED_ASC, DATE_ADDED_DSC -> R.string.date_added
-        else -> R.string.drag_and_drop
+        else -> if (id == -1) R.string.category else R.string.drag_and_drop
     }
 
     fun catSortingMode(): Int? = when (mangaSort) {

app/src/main/java/eu/kanade/tachiyomi/data/database/models/CategoryImpl.kt

@@ -18,6 +18,8 @@ class CategoryImpl : Category {
 
     override var isLast: Boolean? = null
 
+    override var isHidden: Boolean = false
+
     override fun equals(other: Any?): Boolean {
         if (this === other) return true
         if (other == null || javaClass != other.javaClass) return false

app/src/main/java/eu/kanade/tachiyomi/data/database/models/LibraryManga.kt

@@ -14,5 +14,9 @@ class LibraryManga : MangaImpl() {
             id = Long.MIN_VALUE
             category = categoryId
         }
+
+        fun createHide(categoryId: Int): LibraryManga = createBlank(categoryId).apply {
+            status = -1
+        }
     }
 }

app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferenceKeys.kt

@@ -51,10 +51,6 @@ object PreferenceKeys {
 
     const val readWithVolumeKeysInverted = "reader_volume_keys_inverted"
 
-    const val portraitColumns = "pref_library_columns_portrait_key"
-
-    const val landscapeColumns = "pref_library_columns_landscape_key"
-
     const val updateOnlyNonCompleted = "pref_update_only_non_completed_key"
 
     const val autoUpdateTrack = "pref_auto_update_manga_sync_key"

app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferencesHelper.kt

@@ -103,10 +103,6 @@ class PreferencesHelper(val context: Context) {
 
     fun readWithVolumeKeysInverted() = rxPrefs.getBoolean(Keys.readWithVolumeKeysInverted, false)
 
-    fun portraitColumns() = rxPrefs.getInteger(Keys.portraitColumns, 0)
-
-    fun landscapeColumns() = rxPrefs.getInteger(Keys.landscapeColumns, 0)
-
     fun updateOnlyNonCompleted() = prefs.getBoolean(Keys.updateOnlyNonCompleted, false)
 
     fun autoUpdateTrack() = prefs.getBoolean(Keys.autoUpdateTrack, true)
@@ -205,6 +201,8 @@ class PreferencesHelper(val context: Context) {
 
     fun automaticExtUpdates() = rxPrefs.getBoolean(Keys.automaticExtUpdates, false)
 
+    fun collapsedCategories() = rxPrefs.getStringSet("collapsed_categories", mutableSetOf())
+
     fun hiddenCatalogues() = rxPrefs.getStringSet("hidden_catalogues", mutableSetOf())
 
     fun downloadNew() = rxPrefs.getBoolean(Keys.downloadNew, false)

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryCategoryAdapter.kt

@@ -153,7 +153,7 @@ class LibraryCategoryAdapter(val libraryListener: LibraryListener) :
     }
 
     private fun getFirstLetter(name: String): String {
-        val letter = name.first()
+        val letter = name.firstOrNull() ?: '#'
         return if (letter.isLetter()) letter.toString()
             .toUpperCase(Locale.ROOT) else "#"
     }
@@ -272,5 +272,6 @@ class LibraryCategoryAdapter(val libraryListener: LibraryListener) :
         fun sortCategory(catId: Int, sortBy: Int)
         fun selectAll(position: Int)
         fun allSelected(position: Int): Boolean
+        fun toggleCategoryVisibility(position: Int)
     }
 }

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryController.kt

@@ -804,6 +804,11 @@ class LibraryController(
         return true
     }
 
+    override fun toggleCategoryVisibility(position: Int) {
+        val catId = (adapter.getItem(position) as? LibraryHeaderItem)?.category?.id ?: return
+        presenter.toggleCategoryVisibility(catId)
+    }
+
     override fun sortCategory(catId: Int, sortBy: Int) {
         presenter.sortCategory(catId, sortBy)
     }

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryHeaderItem.kt

@@ -18,11 +18,11 @@ import eu.davidea.flexibleadapter.FlexibleAdapter
 import eu.davidea.flexibleadapter.SelectableAdapter
 import eu.davidea.flexibleadapter.items.AbstractHeaderItem
 import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.FlexibleViewHolder
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.database.models.Category
 import eu.kanade.tachiyomi.data.library.LibraryUpdateService
 import eu.kanade.tachiyomi.data.preference.getOrDefault
+import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
 import eu.kanade.tachiyomi.util.system.dpToPx
 import eu.kanade.tachiyomi.util.system.getResourceColor
 import eu.kanade.tachiyomi.util.view.gone
@@ -30,7 +30,6 @@ import eu.kanade.tachiyomi.util.view.invisible
 import eu.kanade.tachiyomi.util.view.updateLayoutParams
 import eu.kanade.tachiyomi.util.view.visInvisIf
 import eu.kanade.tachiyomi.util.view.visible
-import kotlinx.android.synthetic.main.library_category_header_item.view.*
 
 class LibraryHeaderItem(
     private val categoryF: (Int) -> Category,
@@ -83,7 +82,7 @@ class LibraryHeaderItem(
     }
 
     class Holder(val view: View, private val adapter: LibraryCategoryAdapter, padEnd: Boolean) :
-        FlexibleViewHolder(view, adapter, true) {
+        BaseFlexibleViewHolder(view, adapter, true) {
 
         private val sectionText: TextView = view.findViewById(R.id.category_title)
         private val sortText: TextView = view.findViewById(R.id.category_sort)
@@ -96,6 +95,10 @@ class LibraryHeaderItem(
                 marginEnd = (if (padEnd && adapter.recyclerView.paddingEnd == 0) 12 else 2).dpToPx
             }
             updateButton.setOnClickListener { addCategoryToUpdate() }
+            sectionText.setOnLongClickListener {
+                adapter.libraryListener.toggleCategoryVisibility(adapterPosition)
+                true
+            }
             sortText.setOnClickListener { it.post { showCatSortOptions() } }
             checkboxImage.setOnClickListener { selectAll() }
             updateButton.drawable.mutate()
@@ -109,20 +112,25 @@ class LibraryHeaderItem(
             if (category.isFirst == true && category.isLast == true) sectionText.text = ""
             else sectionText.text = category.name
             sortText.text = itemView.context.getString(R.string.sort_by_,
-                itemView.context.getString(
-                when (category.sortingMode()) {
-                    LibrarySort.LATEST_CHAPTER -> R.string.latest_chapter
-                    LibrarySort.DRAG_AND_DROP ->
-                        if (category.id == -1) R.string.category
-                        else R.string.drag_and_drop
-                    LibrarySort.TOTAL -> R.string.total_chapters
-                    LibrarySort.UNREAD -> R.string.unread
-                    LibrarySort.LAST_READ -> R.string.last_read
-                    LibrarySort.ALPHA -> R.string.title
-                    LibrarySort.DATE_ADDED -> R.string.date_added
-                    else -> R.string.drag_and_drop
+                itemView.context.getString(category.sortRes())
+            )
+
+            val isAscending = category.isAscending()
+            val sortingMode = category.sortingMode()
+            val sortDrawable = if (category.isHidden) R.drawable.ic_expand_more_white_24dp
+                else
+                when {
+                    sortingMode == LibrarySort.DRAG_AND_DROP || sortingMode == null -> R.drawable
+                        .ic_sort_white_24dp
+                    if (sortingMode == LibrarySort.DATE_ADDED ||
+                        sortingMode == LibrarySort.LATEST_CHAPTER ||
+                        sortingMode == LibrarySort.LAST_READ) !isAscending else isAscending ->
+                        R.drawable.ic_arrow_down_white_24dp
+                    else -> R.drawable.ic_arrow_up_white_24dp
                 }
-            ))
+
+            sortText.setCompoundDrawablesRelativeWithIntrinsicBounds(0, 0, sortDrawable, 0)
+            sortText.setText(if (category.isHidden) R.string.collasped else category.sortRes())
 
             when {
                 adapter.mode == SelectableAdapter.Mode.MULTI -> {
@@ -157,8 +165,12 @@ class LibraryHeaderItem(
         private fun showCatSortOptions() {
             val category =
                 (adapter.getItem(adapterPosition) as? LibraryHeaderItem)?.category ?: return
+            if (category.isHidden) {
+                adapter.libraryListener.toggleCategoryVisibility(adapterPosition)
+                return
+            }
             // Create a PopupMenu, giving it the clicked view for an anchor
-            val popup = PopupMenu(itemView.context, view.category_sort)
+            val popup = PopupMenu(itemView.context, sortText)
 
             // Inflate our menu resource into the PopupMenu's Menu
             popup.menuInflater.inflate(
@@ -254,14 +266,17 @@ class LibraryHeaderItem(
 
         fun setSelection() {
             val allSelected = adapter.libraryListener.allSelected(adapterPosition)
-            val drawable =
-                ContextCompat.getDrawable(contentView.context,
-                if (allSelected) R.drawable.ic_check_circle_white_24dp else
-                    R.drawable.ic_radio_button_unchecked_white_24dp)
+            val drawable = ContextCompat.getDrawable(
+                contentView.context,
+                if (allSelected) R.drawable.ic_check_circle_white_24dp else R.drawable.ic_radio_button_unchecked_white_24dp
+            )
             val tintedDrawable = drawable?.mutate()
-            tintedDrawable?.setTint(ContextCompat.getColor(contentView.context,
-                if (allSelected) R.color.colorAccent
-                else R.color.gray_button))
+            tintedDrawable?.setTint(
+                ContextCompat.getColor(
+                    contentView.context, if (allSelected) R.color.colorAccent
+                    else R.color.gray_button
+                )
+            )
             checkboxImage.setImageDrawable(tintedDrawable)
         }
 

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryListHolder.kt

@@ -46,13 +46,23 @@ class LibraryListHolder(
      */
     override fun onSetValues(item: LibraryItem) {
 
+        title.visible()
+        constraint_layout.minHeight = 56.dpToPx
         if (item.manga.isBlank()) {
+            constraint_layout.minHeight = 0
+            if (item.manga.status == -1) {
+                title.gone()
+            } else
                 title.text = itemView.context.getString(R.string.category_is_empty)
             title.textAlignment = View.TEXT_ALIGNMENT_CENTER
             card.gone()
             badge_view.gone()
+            play_layout.gone()
+            padding.gone()
+            subtitle.gone()
             return
         }
+        padding.visible()
         card.visible()
         title.textAlignment = View.TEXT_ALIGNMENT_TEXT_START
 

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryPresenter.kt

@@ -425,12 +425,27 @@ class LibraryPresenter(
             LibraryItem(it, libraryLayout, preferences.uniformGrid(), seekPref, headerItem)
         }.toMutableList()
 
+        val categoriesHidden = preferences.collapsedCategories().getOrDefault().mapNotNull {
+            it.toIntOrNull()
+        }.toMutableSet()
+
         if (showCategories) {
             categories.forEach { category ->
-                if (category.id ?: 0 <= 0 && !categorySet.contains(category.id)) {
-                    val headerItem = headerItems[category.id ?: 0]
+                val catId = category.id ?: return@forEach
+                if (catId > 0 && !categorySet.contains(catId)) {
+                    val headerItem = headerItems[catId]
                     items.add(LibraryItem(
-                        LibraryManga.createBlank(category.id!!),
+                        LibraryManga.createBlank(catId),
+                        libraryLayout,
+                        preferences.uniformGrid(),
+                        preferences.alwaysShowSeeker(),
+                        headerItem
+                    ))
+                } else if (catId in categoriesHidden) {
+                    val headerItem = headerItems[catId]
+                    items.removeAll { it.manga.category == catId }
+                    items.add(LibraryItem(
+                        LibraryManga.createHide(catId),
                         libraryLayout,
                         preferences.uniformGrid(),
                         preferences.alwaysShowSeeker(),
@@ -446,6 +461,10 @@ class LibraryPresenter(
         if (categorySet.contains(0))
             categories.add(0, createDefaultCategory())
 
+        categories.forEach {
+            it.isHidden = it.id in categoriesHidden
+        }
+
         this.allCategories = categories
         this.categories = if (!showCategories) arrayListOf(categoryAll)
         else categories
@@ -678,7 +697,21 @@ class LibraryPresenter(
         return catId in categories
     }
 
+    fun toggleCategoryVisibility(categoryId: Int) {
+        if (categoryId <= -1) return
+        val categoriesHidden = preferences.collapsedCategories().getOrDefault().mapNotNull {
+            it.toIntOrNull()
+        }.toMutableSet()
+        if (categoryId in categoriesHidden)
+            categoriesHidden.remove(categoryId)
+        else
+            categoriesHidden.add(categoryId)
+        preferences.collapsedCategories().set(categoriesHidden.map { it.toString() }.toMutableSet())
+        getLibrary()
+    }
+
     companion object {
+        // var catsHidden = mutableListOf<Int>()
         private var lastLibraryItems: List<LibraryItem>? = null
         private var lastCategories: List<Category>? = null
 

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaDetailsPresenter.kt

@@ -521,7 +521,7 @@ class MangaDetailsPresenter(
         asyncUpdateMangaAndChapters()
     }
 
-    fun globalSort() = preferences.chaptersDescAsDefault().getOrDefault()
+    fun globalSort(): Boolean = preferences.chaptersDescAsDefault().getOrDefault()
 
     fun setGlobalChapterSort(descend: Boolean) {
         preferences.chaptersDescAsDefault().set(descend)

app/src/main/res/drawable/square_ripple.xml

@@ -4,7 +4,7 @@
     <item android:id="@android:id/mask">
         <shape android:shape="rectangle">
             <corners android:radius="4dp" />
-            <solid android:color="@color/gray_button" />
+            <solid android:color="@color/fullRippleColor" />
         </shape>
     </item>
 </ripple>

app/src/main/res/layout/catalogue_list_item.xml

@@ -5,6 +5,7 @@
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:layout_gravity="center_vertical"
+    android:id="@+id/constraint_layout"
     android:background="?attr/selectable_list_drawable"
     android:minHeight="@dimen/material_component_lists_single_line_with_avatar_height">
 

app/src/main/res/layout/library_category_header_item.xml

@@ -6,25 +6,23 @@
     android:layout_height="wrap_content"
     android:gravity="center_vertical">
 
-
     <ImageView
         android:id="@+id/checkbox"
-        android:padding="5dp"
-        android:visibility="gone"
-        tools:visibility="visible"
-        tools:tint="?attr/colorAccent"
         android:layout_width="wrap_content"
-        android:contentDescription="@string/select_all"
-        android:clickable="true"
-        android:focusable="true"
         android:layout_height="wrap_content"
+        android:layout_marginStart="10dp"
+        android:clickable="true"
+        android:contentDescription="@string/select_all"
+        android:focusable="true"
+        android:padding="5dp"
         android:src="@drawable/ic_check_circle_white_24dp"
-        android:layout_marginStart="2dp"
-        app:layout_constraintStart_toStartOf="parent"
+        android:visibility="gone"
         app:layout_constraintBottom_toBottomOf="@+id/category_title"
         app:layout_constraintEnd_toStartOf="@+id/category_title"
+        app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="@+id/category_title"
-        />
+        tools:tint="?attr/colorAccent"
+        tools:visibility="visible" />
 
     <TextView
         android:id="@+id/category_title"
@@ -32,18 +30,20 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginStart="8dp"
+        android:layout_marginTop="32dp"
+        android:background="@drawable/square_ripple"
         android:layout_marginBottom="10dp"
         android:ellipsize="end"
         android:gravity="center|start"
         android:inputType="none"
         android:maxLines="2"
-        android:layout_marginTop="32dp"
+        android:textSize="22sp"
         app:layout_constrainedWidth="true"
-        app:layout_constraintStart_toEndOf="@+id/checkbox"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toStartOf="@id/update_button"
-        app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintStart_toEndOf="@+id/checkbox"
+        app:layout_constraintTop_toTopOf="parent"
         tools:text="Title dfdsfsfsfsfsfdsfsfsfs" />
 
     <Space
@@ -59,15 +59,15 @@
         android:id="@+id/update_button"
         android:layout_width="wrap_content"
         android:layout_height="35dp"
-        android:padding="5dp"
         android:clickable="true"
         android:focusable="true"
-        android:tint="?attr/colorAccent"
+        android:padding="5dp"
         android:src="@drawable/ic_refresh_white_24dp"
+        android:tint="?attr/colorAccent"
         app:layout_constraintBottom_toBottomOf="@id/category_title"
-        app:layout_constraintTop_toTopOf="@id/category_title"
         app:layout_constraintEnd_toStartOf="@id/space"
         app:layout_constraintStart_toEndOf="@id/category_title"
+        app:layout_constraintTop_toTopOf="@id/category_title"
         app:rippleColor="@color/fullRippleColor" />
 
     <ProgressBar
@@ -76,17 +76,18 @@
         android:layout_height="0dp"
         android:layout_margin="5dp"
         android:visibility="gone"
-        tools:visibility="visible"
-        app:layout_constraintTop_toTopOf="@id/update_button"
         app:layout_constraintBottom_toBottomOf="@id/update_button"
+        app:layout_constraintEnd_toEndOf="@id/update_button"
         app:layout_constraintStart_toStartOf="@id/update_button"
-        app:layout_constraintEnd_toEndOf="@id/update_button"/>
+        app:layout_constraintTop_toTopOf="@id/update_button"
+        tools:visibility="visible" />
 
     <TextView
         android:id="@+id/category_sort"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginEnd="2dp"
+        android:background="@drawable/square_ripple"
         android:clickable="true"
         android:drawableEnd="@drawable/ic_sort_white_24dp"
         android:drawablePadding="6dp"
@@ -94,7 +95,6 @@
         android:ellipsize="start"
         android:focusable="true"
         android:gravity="center|end"
-        android:background="@drawable/square_ripple"
         android:maxLines="2"
         android:padding="6dp"
         android:textAlignment="textEnd"
@@ -108,6 +108,5 @@
         app:layout_constraintHorizontal_bias="1.0"
         app:layout_constraintStart_toEndOf="@id/space"
         app:layout_constraintTop_toTopOf="@id/category_title"
-        app:layout_constraintWidth_min="100dp"
         tools:text="Drag and Drop" />
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -66,6 +66,7 @@
     <string name="_already_in_queue">%1$s is already in queue</string>
     <string name="create_new_category">Create new category</string>
     <string name="category_is_empty">Category is empty</string>
+    <string name="category_is_hidden">Category is hidden</string>
     <string name="top_category">Top category (%1$s)</string>
     <string name="default_category">Default category</string>
     <string name="first_category">First category</string>
@@ -600,6 +601,7 @@
     <string name="charging">Charging</string>
     <string name="clear">Clear</string>
     <string name="close">Close</string>
+    <string name="collasped">Collapsed</string>
     <string name="common">Common</string>
     <string name="cover_of_image">Cover of manga</string>
     <string name="create">Create</string>
@@ -637,6 +639,8 @@
     <string name="options">Options</string>
     <string name="pause">Pause</string>
     <string name="picture_saved">Picture saved</string>
+    <string name="refresh">Refresh</string>
+    <string name="refreshing">Refreshing</string>
     <string name="remove">Remove</string>
     <string name="reorder">Reorder</string>
     <string name="reset">Reset</string>
@@ -656,6 +660,7 @@
     <string name="top">Top</string>
     <string name="undo">Undo</string>
     <string name="unknown_error">Unknown error</string>
+    <string name="un_select_all">Un-select all</string>
     <string name="use_default">Use default</string>
     <string name="view_all_errors">View all errors</string>
     <string name="view_chapters">View chapters</string>