oxjs/examples/ui/audio_player/js/example.js

/*
Demo application using Ox.AudioPlayer.
*/

'use strict';

Ox.load('UI', function() {

    var columns = [
            {
                format: function(value) {
                    return value
                        ? Ox.Element('<img>')
                            .addClass('symbol')
                            .attr({src: Ox.UI.getImageURL(
                                paused ? 'symbolUnmute' : 'symbolMute'
                            )})
                        : Ox.Element();
                },
                id: 'playing',
                removable: false,
                title: 'Playing',
                titleImage: 'mute',
                visible: true,
                width: 16
            },
            {
                format: function(value) {
                    return value
                        ? Ox.Element('<img>')
                            .addClass('symbol')
                            .attr({src: Ox.UI.getImageURL(
                                'symbolCheck'
                            )})
                        : Ox.Element();
                },
                id: 'checked',
                removable: false,
                title: 'Checked',
                titleImage: 'check',
                visible: true,
                width: 16
            },
            {
                format: function(value) {
                    return value
                        ? Ox.Element('<img>')
                            .addClass('image')
                            .attr({src: value})
                        : Ox.Element()
                },
                id: 'artwork',
                operator: '+',
                title: 'Artwork',
                titleImage: 'icon',
                visible: true,
                width: 16
            },
            {
                align: 'right',
                id: 'disc',
                operator: '+',
                title: 'Disc',
                titleImage: 'circle',
                width: 32
            },
            {
                align: 'right',
                id: 'track',
                operator: '+',
                title: 'Track',
                titleImage: 'square',
                width: 32
            },
            {
                id: 'title',
                operator: '+',
                removable: false,
                title: 'Title',
                visible: true,
                width: 192
            },
            {
                id: 'artist',
                operator: '+',
                removable: false,
                title: 'Artist',
                visible: true,
                width: 192
            },
            {
                id: 'album',
                operator: '+',
                removable: false,
                title: 'Album',
                visible: true,
                width: 192
            },
            {
                align: 'right',
                id: 'year',
                operator: '+',
                title: 'Year',
                visible: true,
                width: 64
            },
            {
                align: 'right',
                format: function(value) {
                    return Ox.formatDuration(value).substr(4);
                },
                id: 'duration',
                operator: '-',
                title: 'Time',
                visible: true,
                width: 64
            },
            {
                align: 'right',
                format: function(value) {
                    return Ox.formatValue(value, 'B');
                },
                id: 'size',
                operator: '-',
                title: 'Size',
                visible: true,
                width: 64
            },
            {
                align: 'right',
                format: function(value) {
                    return Math.round(value) + ' kbps'
                },
                id: 'bitrate',
                operator: '-',
                title: 'Bitrate',
                visible: true,
                width: 64
            },
            {
                id: 'genre',
                operator: '+',
                title: 'Genre',
                visible: true,
                width: 128
            }
        ],
        paused = true,
        sort = [
            {key: 'artist', operator: '+'},
            {key: 'year', operator: '+'},
            {key: 'disc', operator: '+'},
            {key: 'track', operator: '+'}
        ],
        track = 0,
        tracks = [
            {
                album: 'The Grey Album',
                artist: 'Danger Mouse',
                artwork: 'mp3/Danger Mouse/2004 The Grey Album/artwork.png',
                bitrate: 128,
                checked: true,
                disc: 1,
                duration: 160.417,
                file: 'mp3/Danger Mouse/2004 The Grey Album/03 Encore.mp3',
                genre: 'Hip-Hop',
                playing: false,
                size: 2556502,
                title: 'Encore',
                track: 3,
                year: '2004'
            },
            {
                album: 'No Love Deep Web',
                artist: 'Death Grips',
                artwork: 'mp3/Death Grips/2012 No Love Deep Web/artwork.png',
                bitrate: 128,
                checked: true,
                disc: 1,
                duration: 303.960,
                file: 'mp3/Death Grips/2012 No Love Deep Web/03 No Love.mp3',
                genre: 'Electronic',
                playing: false,
                size: 4863327,
                title: 'No Love',
                track: 3,
                year: '2012'
            },
            {
                album: 'No Love Deep Web',
                artist: 'Death Grips',
                artwork: 'mp3/Death Grips/2012 No Love Deep Web/artwork.png',
                bitrate: 128,
                checked: true,
                disc: 1,
                duration: 138.370,
                file: 'mp3/Death Grips/2012 No Love Deep Web/09 Deep Web.mp3',
                genre: 'Electronic',
                playing: false,
                size: 2214303,
                title: 'Deep Web',
                track: 9,
                year: '2012'
            }
        ],
        artists = getArtists(tracks),
        albums = getAlbums(artists),
        view = 'albums',
    
        $toolbar = Ox.Bar({size: 39}),

        $audioPlayer = Ox.AudioPlayer({
                audio: tracks,
                paused: true,
                width: window.innerWidth - 190
            })
            .css({left: '4px', top: '4px'})
            .bindEvent({
                paused: function(data) {
                    paused = data.paused;
                    $musicList.value(tracks[track].file, 'playing', false);
                    $musicList.value(tracks[track].file, 'playing', true);
                },
                track: function(data) {
                    $musicList.value(tracks[track].file, 'playing', false);
                    track = data.track;
                    $musicList.value(tracks[track].file, 'playing', true);
                }
            })
            .appendTo($toolbar)
            .gainFocus(),

        $viewLabel = Ox.Label({
                textAlign: 'center',
                title: 'Tracks',
                width: 50
            })
            .css({
                position: 'absolute',
                right: '136px',
                top: '4px',
                padding: '1px 4px 0 4px',
                borderBottomLeftRadius: 0,
                borderBottomRightRadius: 0,
                fontSize: '9px'
            })
            .appendTo($toolbar),

        $viewButtons = Ox.ButtonGroup({
                buttons: [
                    {id: 'tracks', title: 'list', tooltip: 'View Tracks'},
                    {id: 'albums', title: 'grid', tooltip: 'View Albums'},
                    {id: 'artists', title: 'columns', tooltip: 'View Artists'}
                ],
                max: 1,
                min: 1,
                selectable: true,
                type: 'image'
            })
            .css({
                position: 'absolute',
                right: '136px',
                top: '19px'
            })
            .bindEvent({
                change: function(data) {
                    view = data.value;
                    $viewLabel.options({title: Ox.toTitleCase(view)});
                    $listPanel.replaceElement(1, musicList(view));
                }
            })
            .appendTo($toolbar),

        $findSelect = Ox.Select({
                items: [
                    {id: 'all', title: 'Find: All'},
                    {id: 'tracks', title: 'Find: Tracks'},
                    {id: 'artists', title: 'Find: Artists'},
                    {id: 'albums', title: 'Find: Albums'}
                ],
                overlap: 'left',
                type: 'image'
            })
            .css({
                position: 'absolute',
                right: '4px',
                top: '4px',
                borderBottomRightRadius: 0
            })
            .bindEvent({
                change: function(data) {
                    $findLabel.options({title: data.title});
                }
            })
            .appendTo($toolbar),
        
        $findLabel = Ox.Label({
                title: 'Find: All',
                width: 112
            })
            .css({
                position: 'absolute',
                right: '20px',
                top: '4px',
                paddingTop: '1px',
                borderBottomLeftRadius: 0,
                borderBottomRightRadius: 0,
                fontSize: '9px'
            })
            .appendTo($toolbar),

        $findInput = Ox.Input({
                clear: true,
                width: 128
            })
            .css({
                position: 'absolute',
                right: '4px',
                top: '19px',
                borderTopLeftRadius: 0
            })
            .appendTo($toolbar),

        $listList = Ox.TableList({
                columns: [
                    {
                        format: function(value) {
                            return Ox.Element('<img>')
                                .addClass('symbol')
                                .attr({src: Ox.UI.getImageURL(
                                    'symbol' + Ox.toTitleCase(value)
                                )});
                        },
                        id: 'icon',
                        title: 'icon',
                        visible: true,
                        width: 16
                    },
                    {
                        id: 'title',
                        title: 'Title',
                        visible: true,
                        width: 136
                    },
                    {
                        align: 'right',
                        id: 'items',
                        title: 'Items',
                        visible: true,
                        width: 40
                    }
                ],
                items: [
                    {icon: 'audio', index: '0', items: 3, title: 'Music'},
                    {icon: 'playlist', index: '1', items: 0, title: 'Playing'},
                    {icon: 'click', index: '1', items: 0, title: 'Favorites'},
                    {icon: 'find', index: '1', items: 1, title: 'Hip-Hop'}
                ],
                max: 1,
                selected: ['0'],
                sort: [{key: 'index', operator: '+'}],
                unique: 'index'
            }),

        $musicList,

        $listPanel = Ox.SplitPanel({
                elements: [
                    {
                        collapsible: true,
                        element: $listList,
                        resizable: true,
                        resize: [128, 192, 256, 320, 384],
                        size: 192
                    },
                    {
                        element: $musicList = musicList(view)
                    }
                ],
                orientation: 'horizontal'
            }),

        $appPanel = Ox.SplitPanel({
                elements: [
                    {element: $toolbar, size: 39},
                    {element: $listPanel}
                ],
                orientation: 'vertical'
            })
            .appendTo(Ox.$body);

    $($viewButtons.find('.OxButton')[0]).css({borderTopLeftRadius: 0});
    $($viewButtons.find('.OxButton')[2]).css({borderTopRightRadius: 0});
    $findInput.find('input').css({borderTopLeftRadius: 0, borderTopRightRadius: 0});
    $findInput.find('.OxButton').css({borderTopRightRadius: 0});

    Ox.print('ARTISTS', artists, 'ALBUMS', albums);

    function getAlbums(artists) {
        var albums = []
        artists.forEach(function(artist) {
            artist.items.forEach(function(album) {
                albums.push(Ox.extend(album, {artist: artist.name}));
            });
        });
        return albums;
    }

    function getArtists(tracks) {
        var artists = [], tree = {};
        tracks.forEach(function(track, index) {
            var artist = track.artist,
                album = track.year + ' ' + track.album,
                title = Ox.pad(track.disc, 2) + '\n' + Ox.pad(track.track, 2)
                    + '\n' + track.title;
            if (!tree[artist]) {
                tree[artist] = {};
            }
            if (!tree[artist][album]) {
                tree[artist][album] = {};
            }
            if (!tree[artist][album][title]) {
                tree[artist][album][title] = track;
            }
        });
        Ox.forEach(tree, function(albums, artist) {
            artist = {
                albums: Ox.len(albums),
                id: artist,
                items: [],
                name: artist,
                tracks: 0,
                years: []
            };
            Ox.forEach(albums, function(tracks, id) {
                var title = id.substr(5),
                    year = id.substr(0, 4);
                artist.items.push({
                    artwork: tracks[Object.keys(tracks)[0]].artwork,
                    duration: Ox.values(tracks).reduce(function(r, v, i) {
                        return r + v.duration;
                    }, 0),
                    id: [artist.name, year, title].join('\n'),
                    items: [],
                    title: title,
                    tracks: Ox.len(tracks),
                    year: year
                });
                Ox.forEach(tracks, function(track, id) {
                    artist.items[artist.items.length - 1].items.push({
                        artist: track.artist,
                        bitrate: track.bitrate,
                        checked: track.checked,
                        disc: track.disc,
                        duration: track.duration,
                        id: id,
                        genre: track.genre,
                        playing: track.playing,
                        size: track.size,
                        title: track.title,
                        track: track.track
                    });
                });
            });
            artists.push(artist);
        });
        return artists;
    }

    function musicList(view) {
        var $list;
        if (view == 'tracks') {
            $list = Ox.TableList({
                columns: columns,
                columnsMovable: true,
                columnsRemovable: true,
                columnsResizable: true,
                columnsVisible: true,
                items: tracks,
                max: 1,
                sort: Ox.clone(sort, true),
                unique: 'file'
            })
            .bindEvent({
                open: function(data) {
                    var file = data.ids[0],
                        index = Ox.indexOf(tracks, function(track) {
                            return track.file == file;
                        });
                    if (index == track) {
                        $list.value(tracks[track].file, 'playing', true);
                        $audioPlayer.options({paused: false, position: 0});
                    } else {
                        $list.value(tracks[track].file, 'playing', false);
                        track = index;
                        $audioPlayer.options({paused: false, track: track});
                        $list.value(tracks[track].file, 'playing', true);
                    }
                },
                openpreview: function(data) {
                    paused = !paused;
                    $audioPlayer.options({paused: paused});
                    $list.closePreview();
                }
            });
        } else if (view == 'albums') {
            $list = Ox.IconList({
                fixedRatio: 1,
                item: function(data, sort, size) {
                    var key = Ox.contains(['artist', 'title'], sort[0].key)
                            ? 'year' : sort[0].key,
                        column = Ox.getObjectById(columns, key),
                        info = (column.format || Ox.identity)(data[key]);
                    return {
                        height: size,
                        id: data.id,
                        info: info,
                        title: [data.artist, data.title].join(' &mdash; '),
                        url: data.artwork,
                        width: size
                    }
                },
                items: albums,
                max: 1,
                pageLength: 120,
                query: {conditions: [], operator: '&'},
                selected: [],
                size: 128,
                sort: Ox.clone(sort, true),
                unique: 'id'
            })
            .bindEvent({
                
            });
        } else if (view == 'artists') {
            $list = Ox.ColumnList({
                columns: [
                    {
                        id: 'artist',
                        width: 256
                    },
                    {
                        id: 'album',
                        width: 256
                    },
                    {
                        id: 'track'
                    }
                ]
            })
            .bindEvent({
                
            });
            $list = Ox.CustomList({
                item: function(data) {
                    Ox.print('itemdata::', data)
                    data.artwork = data.artwork || '';
                    data.tracks = data.tracks || [{duration: 0}];
                    data.year = data.year || '????';
                    var $item = $('<div>')
                        .css({width: '256px', height: '32px'});
                    $('<img>')
                        .attr({src: data.artwork})
                        .css({
                            position: 'relative',
                            left: '2px',
                            top: '2px',
                            width: '28px',
                            height: '28px'
                        })
                        .appendTo($item);
                    $('<div>')
                        .css({
                            position: 'relative',
                            left: '34px',
                            top: '-28px',
                            width: '220px',
                            fontSize: '13px',
                            textOverflow: 'ellipsis'
                        })
                        .html(data.title ? data.title : '')
                        .appendTo($item);
                    $('<div>')
                        .css({
                            position: 'relative',
                            left: '34px',
                            top: '-28px',
                            width: '220px',
                            fontSize: '9px',
                            textOverflow: 'ellipsis'
                        })
                        .html(
                            [
                                data.year,
                                Ox.formatCount(data.tracks, 'track'),
                                Ox.formatDuration(data.duration)
                            ].join(' &mdash; ')
                        )
                        .appendTo($item);
                    return $item;
                },
                itemHeight: 32,
                items: albums,
                itemWidth: 256,
                keys: ['artwork', 'duration', 'title', 'tracks', 'year'],
                max: 1,
                scrollbarVisible: true
            })
            .bindEvent({
                
            });
        }
        return $list;
    }

});