Twidere-App-Android-Twitter.../twidere/src/main/kotlin/org/mariotaku/twidere/adapter/MediaPreviewAdapter.kt

94 lines
3.4 KiB
Kotlin

/*
* Twidere - Twitter client for Android
*
* Copyright (C) 2012-2017 Mariotaku Lee <mariotaku.lee@gmail.com>
*
* 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.mariotaku.twidere.adapter
import android.content.Context
import androidx.recyclerview.widget.RecyclerView
import android.view.LayoutInflater
import android.view.ViewGroup
import com.bumptech.glide.RequestManager
import org.mariotaku.twidere.R
import org.mariotaku.twidere.model.ParcelableMediaUpdate
import org.mariotaku.twidere.view.helper.SimpleItemTouchHelperCallback
import org.mariotaku.twidere.view.helper.SimpleItemTouchHelperCallback.ItemTouchHelperAdapter
import org.mariotaku.twidere.view.holder.compose.MediaPreviewViewHolder
import java.util.*
class MediaPreviewAdapter(
context: Context,
requestManager: RequestManager
) : ArrayRecyclerAdapter<ParcelableMediaUpdate, MediaPreviewViewHolder>(context, requestManager) {
private val inflater = LayoutInflater.from(context)
val touchAdapter: ItemTouchHelperAdapter = object : ItemTouchHelperAdapter {
override fun onItemDismiss(position: Int) {
// No-op
}
override fun onItemMove(fromPosition: Int, toPosition: Int): Boolean {
Collections.swap(data, fromPosition, toPosition)
notifyItemMoved(fromPosition, toPosition)
return true
}
}
var listener: Listener? = null
init {
setHasStableIds(true)
}
fun asList(): List<ParcelableMediaUpdate> = Collections.unmodifiableList(data)
override fun getItemId(position: Int): Long {
return getItem(position).hashCode().toLong()
}
override fun onBindViewHolder(holder: MediaPreviewViewHolder, position: Int, item: ParcelableMediaUpdate) {
val media = getItem(position)
holder.displayMedia(this, media)
}
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MediaPreviewViewHolder {
val view = inflater.inflate(R.layout.grid_item_media_editor, parent, false)
return MediaPreviewViewHolder(view)
}
override fun onViewAttachedToWindow(holder: MediaPreviewViewHolder) {
super.onViewAttachedToWindow(holder)
holder.adapter = this
}
override fun onViewDetachedFromWindow(holder: MediaPreviewViewHolder) {
holder.adapter = null
super.onViewDetachedFromWindow(holder)
}
fun setAltText(position: Int, altText: String?) {
data[position].alt_text = altText
notifyDataSetChanged()
}
interface Listener : SimpleItemTouchHelperCallback.OnStartDragListener {
fun onRemoveClick(position: Int, holder: MediaPreviewViewHolder) {}
fun onEditClick(position: Int, holder: MediaPreviewViewHolder) {}
override fun onStartDrag(viewHolder: RecyclerView.ViewHolder) {}
}
}