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Implement long hold selection for Manga Chapters and library

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Co-Authored-By: zhuoyang <zhuoyang@users.noreply.github.com>

Co-Authored-By: Jays2Kings <Jays2Kings@users.noreply.github.com>
This commit is contained in:
Jay 2019-12-05 21:50:36 -08:00 committed by arkon
parent e414b9edf1
commit 2d3bfa9a89
2 changed files with 60 additions and 10 deletions
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38
app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryCategoryView.kt
View file

@ -1,11 +1,11 @@
package eu.kanade.tachiyomi.ui.library
import android.content.Context
import androidx.recyclerview.widget.LinearLayoutManager
import androidx.recyclerview.widget.RecyclerView
import android.util.AttributeSet
import android.view.View
import android.widget.FrameLayout
import androidx.recyclerview.widget.LinearLayoutManager
import androidx.recyclerview.widget.RecyclerView
import eu.davidea.flexibleadapter.FlexibleAdapter
import eu.davidea.flexibleadapter.SelectableAdapter
import eu.kanade.tachiyomi.R
@ -18,8 +18,8 @@ import eu.kanade.tachiyomi.util.inflate
import eu.kanade.tachiyomi.util.plusAssign
import eu.kanade.tachiyomi.util.toast
import eu.kanade.tachiyomi.widget.AutofitRecyclerView
import kotlinx.android.synthetic.main.chapters_controller.fast_scroller
import kotlinx.android.synthetic.main.library_category.view.*
import kotlinx.android.synthetic.main.library_category.view.fast_scroller
import kotlinx.android.synthetic.main.library_category.view.swipe_refresh
import rx.subscriptions.CompositeSubscription
import uy.kohesive.injekt.injectLazy
@ -62,6 +62,8 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att
*/
private var subscriptions = CompositeSubscription()
private var lastClickPosition = -1
fun onCreate(controller: LibraryController) {
this.controller = controller
@ -174,6 +176,7 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att
}
is LibrarySelectionEvent.Unselected -> {
findAndToggleSelection(event.manga)
if (adapter.indexOf(event.manga) != -1) lastClickPosition = -1
if (controller.selectedMangas.isEmpty()) {
adapter.mode = SelectableAdapter.Mode.SINGLE
}
@ -181,6 +184,7 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att
is LibrarySelectionEvent.Cleared -> {
adapter.mode = SelectableAdapter.Mode.SINGLE
adapter.clearSelection()
lastClickPosition = -1
}
}
}
@ -204,10 +208,11 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att
* @param position the position of the element clicked.
* @return true if the item should be selected, false otherwise.
*/
override fun onItemClick(view: View, position: Int): Boolean {
override fun onItemClick(view: View?, position: Int): Boolean {
// If the action mode is created and the position is valid, toggle the selection.
val item = adapter.getItem(position) ?: return false
if (adapter.mode == SelectableAdapter.Mode.MULTI) {
lastClickPosition = position
toggleSelection(position)
return true
} else {
@ -223,7 +228,15 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att
*/
override fun onItemLongClick(position: Int) {
controller.createActionModeIfNeeded()
toggleSelection(position)
when {
lastClickPosition == -1 -> setSelection(position)
lastClickPosition > position -> for (i in position until lastClickPosition)
setSelection(i)
lastClickPosition < position -> for (i in lastClickPosition + 1..position)
setSelection(i)
else -> setSelection(position)
}
lastClickPosition = position
}
/**
@ -247,4 +260,17 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att
controller.invalidateActionMode()
}
/**
* Tells the presenter to set the selection for the given position.
*
* @param position the position to toggle.
*/
private fun setSelection(position: Int) {
val item = adapter.getItem(position) ?: return
controller.setSelection(item.manga, true)
controller.invalidateActionMode()
}
}

32
app/src/main/java/eu/kanade/tachiyomi/ui/manga/chapter/ChaptersController.kt
View file

@ -55,6 +55,8 @@ class ChaptersController : NucleusController<ChaptersPresenter>(),
*/
private val selectedItems = mutableSetOf<ChapterItem>()
private var lastClickPosition = -1
init {
setHasOptionsMenu(true)
setOptionsMenuHidden(true)
@ -184,8 +186,9 @@ class ChaptersController : NucleusController<ChaptersPresenter>(),
fun onNextChapters(chapters: List<ChapterItem>) {
// If the list is empty, fetch chapters from source if the conditions are met
// We use presenter chapters instead because they are always unfiltered
if (presenter.chapters.isEmpty())
if (presenter.chapters.isEmpty()) {
initialFetchChapters()
}
val adapter = adapter ?: return
adapter.updateDataSet(chapters)
@ -242,10 +245,11 @@ class ChaptersController : NucleusController<ChaptersPresenter>(),
startActivity(intent)
}
override fun onItemClick(view: View, position: Int): Boolean {
override fun onItemClick(view: View?, position: Int): Boolean {
val adapter = adapter ?: return false
val item = adapter.getItem(position) ?: return false
if (actionMode != null && adapter.mode == SelectableAdapter.Mode.MULTI) {
lastClickPosition = position
toggleSelection(position)
return true
} else {
@ -256,7 +260,16 @@ class ChaptersController : NucleusController<ChaptersPresenter>(),
override fun onItemLongClick(position: Int) {
createActionModeIfNeeded()
toggleSelection(position)
when {
lastClickPosition == -1 -> setSelection(position)
lastClickPosition > position -> for (i in position until lastClickPosition)
setSelection(i)
lastClickPosition < position -> for (i in lastClickPosition + 1..position)
setSelection(i)
else -> setSelection(position)
}
lastClickPosition = position
adapter?.notifyDataSetChanged()
}
// SELECTIONS & ACTION MODE
@ -265,6 +278,7 @@ class ChaptersController : NucleusController<ChaptersPresenter>(),
val adapter = adapter ?: return
val item = adapter.getItem(position) ?: return
adapter.toggleSelection(position)
adapter.notifyDataSetChanged()
if (adapter.isSelected(position)) {
selectedItems.add(item)
} else {
@ -273,6 +287,16 @@ class ChaptersController : NucleusController<ChaptersPresenter>(),
actionMode?.invalidate()
}
private fun setSelection(position: Int) {
val adapter = adapter ?: return
val item = adapter.getItem(position) ?: return
if (!adapter.isSelected(position)) {
adapter.toggleSelection(position)
selectedItems.add(item)
actionMode?.invalidate()
}
}
private fun getSelectedChapters(): List<ChapterItem> {
val adapter = adapter ?: return emptyList()
return adapter.selectedPositions.mapNotNull { adapter.getItem(it) }
@ -285,6 +309,7 @@ class ChaptersController : NucleusController<ChaptersPresenter>(),
}
private fun destroyActionModeIfNeeded() {
lastClickPosition = -1
actionMode?.finish()
}
@ -373,7 +398,6 @@ class ChaptersController : NucleusController<ChaptersPresenter>(),
}
}
private fun showDeleteChaptersConfirmationDialog() {
DeleteChaptersDialog(this).showDialog(router)
}