Audinaut-subsonic-app-android/app/src/main/java/net/nullsum/audinaut/adapter/ArtistAdapter.java

/*
  This file is part of Subsonic.
    Subsonic 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.
    Subsonic 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 Subsonic. If not, see <http://www.gnu.org/licenses/>.
    Copyright 2015 (C) Scott Jackson
*/

package net.nullsum.audinaut.adapter;

import android.content.Context;
import android.support.v7.widget.PopupMenu;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import net.nullsum.audinaut.R;
import net.nullsum.audinaut.domain.Artist;
import net.nullsum.audinaut.domain.MusicDirectory.Entry;
import net.nullsum.audinaut.domain.MusicFolder;
import net.nullsum.audinaut.util.Util;
import net.nullsum.audinaut.view.ArtistView;
import net.nullsum.audinaut.view.FastScroller;
import net.nullsum.audinaut.view.SongView;
import net.nullsum.audinaut.view.UpdateView;

import java.io.Serializable;
import java.util.List;

public class ArtistAdapter extends SectionAdapter<Serializable> implements FastScroller.BubbleTextGetter {
    public static final int VIEW_TYPE_ARTIST = 4;
    private static final int VIEW_TYPE_SONG = 3;
    private final List<MusicFolder> musicFolders;
    private final OnMusicFolderChanged onMusicFolderChanged;

    public ArtistAdapter(Context context, List<Serializable> artists, List<MusicFolder> musicFolders, OnItemClickedListener onItemClickedListener, OnMusicFolderChanged onMusicFolderChanged) {
        super(context, artists);
        this.musicFolders = musicFolders;
        this.onItemClickedListener = onItemClickedListener;
        this.onMusicFolderChanged = onMusicFolderChanged;

        if (musicFolders != null) {
            this.singleSectionHeader = true;
        }
    }

    @Override
    public UpdateView.UpdateViewHolder onCreateHeaderHolder(ViewGroup parent) {
        final View header = LayoutInflater.from(context).inflate(R.layout.select_artist_header, parent, false);
        header.setOnClickListener(v -> {
            PopupMenu popup = new PopupMenu(context, header.findViewById(R.id.select_artist_folder_2));

            popup.getMenu().add(R.string.select_artist_all_folders);
            for (MusicFolder musicFolder : musicFolders) {
                popup.getMenu().add(musicFolder.getName());
            }

            popup.setOnMenuItemClickListener(item -> {
                for (MusicFolder musicFolder : musicFolders) {
                    if (item.getTitle().equals(musicFolder.getName())) {
                        if (onMusicFolderChanged != null) {
                            onMusicFolderChanged.onMusicFolderChanged(musicFolder);
                        }
                        return true;
                    }
                }

                if (onMusicFolderChanged != null) {
                    onMusicFolderChanged.onMusicFolderChanged(null);
                }
                return true;
            });
            popup.show();
        });

        return new UpdateView.UpdateViewHolder(header);
    }

    @Override
    public void onBindHeaderHolder(UpdateView.UpdateViewHolder holder, String header, int sectionIndex) {
        TextView folderName = holder.getView().findViewById(R.id.select_artist_folder_2);

        String musicFolderId = Util.getSelectedMusicFolderId(context);
        if (musicFolderId != null) {
            for (MusicFolder musicFolder : musicFolders) {
                if (musicFolder.getId().equals(musicFolderId)) {
                    folderName.setText(musicFolder.getName());
                    break;
                }
            }
        } else {
            folderName.setText(R.string.select_artist_all_folders);
        }
    }

    @Override
    public UpdateView.UpdateViewHolder onCreateSectionViewHolder(int viewType) {
        UpdateView updateView = null;
        if (viewType == VIEW_TYPE_ARTIST) {
            updateView = new ArtistView(context);
        } else if (viewType == VIEW_TYPE_SONG) {
            updateView = new SongView(context);
        }

        return new UpdateView.UpdateViewHolder(updateView);
    }

    @Override
    public void onBindViewHolder(UpdateView.UpdateViewHolder holder, Serializable item, int viewType) {
        UpdateView view = holder.getUpdateView();
        if (viewType == VIEW_TYPE_ARTIST) {
            view.setObject(item);
        } else if (viewType == VIEW_TYPE_SONG) {
            SongView songView = (SongView) view;
            Entry entry = (Entry) item;
            songView.setObject(entry, checkable);
        }
    }

    @Override
    public int getItemViewType(Serializable item) {
        if (item instanceof Artist) {
            return VIEW_TYPE_ARTIST;
        } else {
            return VIEW_TYPE_SONG;
        }
    }

    @Override
    public String getTextToShowInBubble(int position) {
        Object item = getItemForPosition(position);
        if (item instanceof Artist) {
            return getNameIndex(((Artist) item).getName(), true);
        } else {
            return null;
        }
    }

    public interface OnMusicFolderChanged {
        void onMusicFolderChanged(MusicFolder musicFolder);
    }
}