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allow selecting multiple media items

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tibbi 2016-11-19 19:38:05 +01:00
parent 0824c66784
commit e635be89db
1 changed files with 27 additions and 11 deletions
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38
app/src/main/kotlin/com/simplemobiletools/gallery/adapters/MediaAdapter.kt
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@ -19,7 +19,7 @@ import kotlinx.android.synthetic.main.photo_video_item.view.*
import kotlinx.android.synthetic.main.photo_video_tmb.view.* import kotlinx.android.synthetic.main.photo_video_tmb.view.*
import java.util.* import java.util.*
class MediaAdapter(val activity: SimpleActivity, val media: MutableList<Medium>, val listener: MediaAdapter.MediaOperationsListener?, val itemClick: (Medium) -> Unit) : class MediaAdapter(val activity: SimpleActivity, val media: MutableList<Medium>, val listener: MediaOperationsListener?, val itemClick: (Medium) -> Unit) :
RecyclerView.Adapter<MediaAdapter.ViewHolder>() { RecyclerView.Adapter<MediaAdapter.ViewHolder>() {
val multiSelector = MultiSelector() val multiSelector = MultiSelector()
val views = ArrayList<View>() val views = ArrayList<View>()
@ -44,30 +44,26 @@ class MediaAdapter(val activity: SimpleActivity, val media: MutableList<Medium>,
override fun onCreateActionMode(actionMode: ActionMode?, menu: Menu?): Boolean { override fun onCreateActionMode(actionMode: ActionMode?, menu: Menu?): Boolean {
super.onCreateActionMode(actionMode, menu) super.onCreateActionMode(actionMode, menu)
DirectoryAdapter.actMode = actionMode actMode = actionMode
activity.menuInflater.inflate(R.menu.cab_media, menu) activity.menuInflater.inflate(R.menu.cab_media, menu)
return true return true
} }
override fun onPrepareActionMode(actionMode: ActionMode?, menu: Menu): Boolean { override fun onPrepareActionMode(actionMode: ActionMode?, menu: Menu) = true
val menuItem = menu.findItem(R.id.cab_edit)
menuItem.isVisible = multiSelector.selectedPositions.size <= 1
return true
}
override fun onDestroyActionMode(actionMode: ActionMode?) { override fun onDestroyActionMode(actionMode: ActionMode?) {
super.onDestroyActionMode(actionMode) super.onDestroyActionMode(actionMode)
views.forEach { MediaAdapter.toggleItemSelection(it, false) } views.forEach { toggleItemSelection(it, false) }
} }
} }
override fun onBindViewHolder(holder: MediaAdapter.ViewHolder, position: Int) { override fun onBindViewHolder(holder: ViewHolder, position: Int) {
views.add(holder.bindView(activity, multiSelectorMode, multiSelector, media[position])) views.add(holder.bindView(activity, multiSelectorMode, multiSelector, media[position]))
} }
override fun onCreateViewHolder(parent: ViewGroup?, viewType: Int): MediaAdapter.ViewHolder { override fun onCreateViewHolder(parent: ViewGroup?, viewType: Int): ViewHolder {
val view = LayoutInflater.from(parent?.context).inflate(R.layout.photo_video_item, parent, false) val view = LayoutInflater.from(parent?.context).inflate(R.layout.photo_video_item, parent, false)
return MediaAdapter.ViewHolder(view, itemClick) return ViewHolder(view, itemClick)
} }
fun updateDisplayFilenames(display: Boolean) { fun updateDisplayFilenames(display: Boolean) {
@ -93,13 +89,33 @@ class MediaAdapter(val activity: SimpleActivity, val media: MutableList<Medium>,
} }
itemView.setOnClickListener { viewClicked(multiSelector, medium) } itemView.setOnClickListener { viewClicked(multiSelector, medium) }
itemView.setOnLongClickListener {
if (!multiSelector.isSelectable) {
activity.startSupportActionMode(multiSelectorCallback)
multiSelector.setSelected(this, true)
actMode?.title = multiSelector.selectedPositions.size.toString()
toggleItemSelection(itemView, true)
actMode?.invalidate()
}
true
}
return itemView return itemView
} }
fun viewClicked(multiSelector: MultiSelector, medium: Medium) { fun viewClicked(multiSelector: MultiSelector, medium: Medium) {
if (multiSelector.isSelectable) { if (multiSelector.isSelectable) {
val isSelected = multiSelector.selectedPositions.contains(layoutPosition)
multiSelector.setSelected(this, !isSelected)
toggleItemSelection(itemView, !isSelected)
val selectedCnt = multiSelector.selectedPositions.size
if (selectedCnt == 0) {
actMode?.finish()
} else {
actMode?.title = selectedCnt.toString()
}
actMode?.invalidate()
} else { } else {
itemClick(medium) itemClick(medium)
} }