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Better drag and drop for playlist detail activity

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This commit is contained in:
Karim Abou Zeid 2015-12-27 19:59:26 +01:00
commit e2a9c363cc
2 changed files with 101 additions and 24 deletions
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54
app/src/main/java/com/kabouzeid/gramophone/adapter/song/PlaylistSongAdapter.java
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@ -7,11 +7,16 @@ import android.support.v7.app.AppCompatActivity;
import android.view.MenuItem;
import android.view.View;
import com.h6ah4i.android.widget.advrecyclerview.draggable.DraggableItemAdapter;
import com.h6ah4i.android.widget.advrecyclerview.draggable.DraggableItemViewHolder;
import com.h6ah4i.android.widget.advrecyclerview.draggable.ItemDraggableRange;
import com.h6ah4i.android.widget.advrecyclerview.draggable.annotation.DraggableItemStateFlags;
import com.kabouzeid.gramophone.R;
import com.kabouzeid.gramophone.dialogs.RemoveFromPlaylistDialog;
import com.kabouzeid.gramophone.interfaces.CabHolder;
import com.kabouzeid.gramophone.model.PlaylistSong;
import com.kabouzeid.gramophone.model.Song;
import com.kabouzeid.gramophone.util.ViewUtil;
import java.util.ArrayList;
import java.util.List;
@ -21,13 +26,16 @@ import java.util.List;
* @author Karim Abou Zeid (kabouzeid)
*/
@SuppressWarnings("unchecked")
public class PlaylistSongAdapter extends SongAdapter {
public class PlaylistSongAdapter extends SongAdapter implements DraggableItemAdapter<PlaylistSongAdapter.ViewHolder> {
public static final String TAG = PlaylistSongAdapter.class.getSimpleName();
public PlaylistSongAdapter(@NonNull AppCompatActivity activity, @NonNull ArrayList<PlaylistSong> dataSet, @LayoutRes int itemLayoutRes, boolean usePalette, @Nullable CabHolder cabHolder) {
private OnMoveItemListener onMoveItemListener;
public PlaylistSongAdapter(@NonNull AppCompatActivity activity, @NonNull ArrayList<PlaylistSong> dataSet, @LayoutRes int itemLayoutRes, boolean usePalette, @Nullable CabHolder cabHolder, @Nullable OnMoveItemListener onMoveItemListener) {
super(activity, (ArrayList<Song>) (List) dataSet, itemLayoutRes, usePalette, cabHolder);
overrideMultiSelectMenuRes(R.menu.menu_playlists_songs_selection);
this.onMoveItemListener = onMoveItemListener;
}
@Override
@ -44,12 +52,39 @@ public class PlaylistSongAdapter extends SongAdapter {
}
}
public class ViewHolder extends SongAdapter.ViewHolder {
@Override
public boolean onCheckCanStartDrag(ViewHolder holder, int position, int x, int y) {
return onMoveItemListener != null && ViewUtil.hitTest(holder.dragView, x, y);
}
@Override
public ItemDraggableRange onGetItemDraggableRange(ViewHolder holder, int position) {
return null;
}
@Override
public void onMoveItem(int fromPosition, int toPosition) {
if (onMoveItemListener != null && fromPosition != toPosition) {
onMoveItemListener.onMoveItem(fromPosition, toPosition);
}
}
public interface OnMoveItemListener {
void onMoveItem(int fromPosition, int toPosition);
}
public class ViewHolder extends SongAdapter.ViewHolder implements DraggableItemViewHolder {
@DraggableItemStateFlags
private int mDragStateFlags;
public ViewHolder(@NonNull View itemView) {
super(itemView);
if (dragView != null) {
dragView.setVisibility(View.VISIBLE);
if (onMoveItemListener != null) {
dragView.setVisibility(View.VISIBLE);
} else {
dragView.setVisibility(View.GONE);
}
}
}
@ -67,5 +102,16 @@ public class PlaylistSongAdapter extends SongAdapter {
}
return super.onSongMenuItemClick(item);
}
@Override
public void setDragStateFlags(@DraggableItemStateFlags int flags) {
mDragStateFlags = flags;
}
@Override
@DraggableItemStateFlags
public int getDragStateFlags() {
return mDragStateFlags;
}
}
}