com.aniruddhc.acemusic.player.MusicLibraryEditorActivity.MusicLibraryEditorSongsMultiselectAdapter.java Source code

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Here is the source code for com.aniruddhc.acemusic.player.MusicLibraryEditorActivity.MusicLibraryEditorSongsMultiselectAdapter.java

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/*
 * Copyright (C) 2014 Saravan Pantham
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.aniruddhc.acemusic.player.MusicLibraryEditorActivity;

import android.content.Context;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.graphics.Paint;
import android.support.v4.widget.SimpleCursorAdapter;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.ImageView;
import android.widget.TextView;

import com.aniruddhc.acemusic.player.R;
import com.aniruddhc.acemusic.player.DBHelpers.DBAccessHelper;
import com.aniruddhc.acemusic.player.Helpers.TypefaceHelper;
import com.aniruddhc.acemusic.player.Utils.Common;

public class MusicLibraryEditorSongsMultiselectAdapter extends SimpleCursorAdapter {

    private Context mContext;
    private SharedPreferences sharedPreferences;
    private Common mApp;

    public MusicLibraryEditorSongsMultiselectAdapter(Context context, Cursor cursor) {
        super(context, -1, cursor, new String[] {}, new int[] {}, 0);
        mContext = context;
        sharedPreferences = mContext.getSharedPreferences("com.aniruddhc.acemusic.player", Context.MODE_PRIVATE);
        mApp = (Common) mContext.getApplicationContext();
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        final Cursor c = (Cursor) getItem(position);
        SongsListViewHolder holder = null;

        if (convertView == null) {

            convertView = LayoutInflater.from(mContext).inflate(R.layout.music_library_editor_songs_layout, parent,
                    false);
            holder = new SongsListViewHolder();
            holder.image = (ImageView) convertView.findViewById(R.id.songThumbnailMusicLibraryEditor);
            holder.title = (TextView) convertView.findViewById(R.id.songNameMusicLibraryEditor);
            holder.checkBox = (CheckBox) convertView.findViewById(R.id.songCheckboxMusicLibraryEditor);
            holder.subText = (TextView) convertView.findViewById(R.id.artistNameSongListView);

            convertView.setTag(holder);
        } else {
            holder = (SongsListViewHolder) convertView.getTag();
        }

        final View finalConvertView = convertView;
        final String songId = c.getString(c.getColumnIndex(DBAccessHelper._ID));
        final String songTitle = c.getString(c.getColumnIndex(DBAccessHelper.SONG_TITLE));
        String songAlbumArtPath = c.getString(c.getColumnIndex(DBAccessHelper.SONG_ALBUM_ART_PATH));
        String songArtist = c.getString(c.getColumnIndex(DBAccessHelper.SONG_ARTIST));

        holder.title.setTypeface(TypefaceHelper.getTypeface(mContext, "RobotoCondensed-Light"));
        holder.title.setPaintFlags(holder.title.getPaintFlags() | Paint.SUBPIXEL_TEXT_FLAG | Paint.ANTI_ALIAS_FLAG);

        holder.subText.setTypeface(TypefaceHelper.getTypeface(mContext, "RobotoCondensed-Light"));
        holder.subText
                .setPaintFlags(holder.subText.getPaintFlags() | Paint.SUBPIXEL_TEXT_FLAG | Paint.ANTI_ALIAS_FLAG);

        //Set the songID as the view's tag.
        convertView.setTag(R.string.song_id, songId);

        //Set the song title.
        holder.title.setText(songTitle);
        holder.subText.setText(songArtist);
        mApp.getImageLoader().displayImage(songAlbumArtPath, holder.image,
                MusicLibraryEditorActivity.displayImageOptions);

        //Check if the song's DB ID exists in the HashSet and set the appropriate checkbox status.
        if (MusicLibraryEditorActivity.songDBIdsList.contains(songId)) {
            convertView.setBackgroundColor(0xCC0099CC);
            holder.checkBox.setChecked(true);
        } else {
            convertView.setBackgroundColor(0x00000000);
            holder.checkBox.setChecked(false);
        }

        holder.checkBox.setOnCheckedChangeListener(new OnCheckedChangeListener() {

            @Override
            public void onCheckedChanged(CompoundButton checkbox, boolean isChecked) {

                if (isChecked == true) {

                    //Only receive inputs by the user and ignore any system-made changes to the checkbox state.
                    if (checkbox.isPressed()) {
                        finalConvertView.setBackgroundColor(0xCC0099CC);
                        MusicLibraryEditorActivity.songDBIdsList.add(songId);
                    }

                } else if (isChecked == false) {

                    //Only receive inputs by the user and ignore any system-made changes to the checkbox state.
                    if (checkbox.isPressed()) {
                        finalConvertView.setBackgroundColor(0xCC0099CC);
                        MusicLibraryEditorActivity.songDBIdsList.remove(songId);
                    }

                }

            }

        });

        return convertView;
    }

    static class SongsListViewHolder {
        public ImageView image;
        public TextView title;
        public TextView subText;
        public CheckBox checkBox;
    }

}