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browser.js
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//browser.js
var library = [];
var playlists = [];
var currentView = 0;
var audioFrame;
function initBrowser() {
audioFrame = parent.document.getElementById('player').contentWindow;
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200) {
library = JSON.parse(this.responseText);
updateTable();
}
};
xhttp.open("POST", "loadfile.php", true);
xhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
xhttp.send("file=library.json");
loadPlaylists();
document.getElementById("query").onkeydown = function(e) {
if (e.keyCode == 13) { search(); }
};
}
function loadPlaylists() {
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200) {
playlists = JSON.parse(this.responseText);
if (currentView == 3) { updateTable(3); }
}
};
xhttp.open("POST", "loadfile.php", true);
xhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
xhttp.send("file=playlists");
}
function updateTable(view) {
if (arguments.length == 1) { currentView = view; }
resetHeader();
resetButtons();
switch (currentView) {
case 0: //artists
document.getElementById("set_0").className = "btn active";
var columns = '<colgroup>'+
'<col style="width:48px">'+
'<col style="width:48px">'+
'<col>'+
'</colgroup>';
var tblhead = columns+
'<thead><tr>'+
'<th></th>'+
'<th></th>'+
'<th>Artist</th>'+
'</tr><thead>';
tbldata = columns+'<tbody>';
for (var artist in library) {
obj = library[artist];
str = html(JSON.stringify(obj));
tbldata += '<tr><td><button class="ibtn" onclick="audioFrame.addArtist('+str+')">+</button></td>'+
'<td><button class="ibtn" onclick="audioFrame.clearPlaylist();audioFrame.addArtist('+str+')">►</button></td>'+
'<td><a href="javascript:void(0)" onclick="showArtist(\''+artist+'\')">'+artist+'</a></td></tr>';
}
tbldata += '</tbody>';
break;
case 1: //albums
document.getElementById("set_1").className = "btn active";
var columns = '<colgroup>'+
'<col style="width:48px">'+
'<col style="width:48px">'+
'<col>'+
'<col>'+
'</colgroup>';
var tblhead = columns+
'<thead><tr>'+
'<th></th>'+
'<th></th>'+
'<th>Album</th>'+
'<th>Artist</th>'+
'</tr></thead>';
tbldata = columns+'<tbody>';
for (var artist in library) {
for (var album in library[artist]) {
obj = library[artist][album];
str = html(JSON.stringify(obj));
tbldata += '<tr><td><button class="ibtn" onclick="audioFrame.addAlbum('+str+')">+</button></td>'+
'<td><button class="ibtn" onclick="audioFrame.clearPlaylist();audioFrame.addAlbum('+str+')">►</button></td>'+
'<td><a href="javascript:void(0)" onclick="showAlbum(\''+artist+'\',\''+album+'\')">'+album+'</a></td>'+
'<td><a href="javascript:void(0)" onclick="showArtist(\''+artist+'\')">'+artist+'</a></td></tr>';
}
}
tbldata += '</tbody>';
break;
case 2: //songs
document.getElementById("set_2").className = "btn active";
var columns = '<colgroup>'+
'<col style="width:48px">'+
'<col style="width:48px">'+
'<col style="width:64px">'+
'<col>'+
'<col>'+
'<col>'+
'</colgroup>';
var tblhead = columns+
'<thead><tr>'+
'<th></th>'+
'<th></th>'+
'<th>Track</th>'+
'<th>Title</th>'+
'<th>Album</th>'+
'<th>Artist</th>'+
'</tr></thead>';
tbldata = columns+'<tbody>';
for (var artist in library) {
for (var album in library[artist]) {
for (var index in library[artist][album]) {
obj = library[artist][album][index];
str = html(JSON.stringify(obj));
tbldata += '<tr><td><button class="ibtn" onclick="audioFrame.addSong('+str+')">+</button></td>'+
'<td><button class="ibtn" onclick="audioFrame.clearPlaylist();audioFrame.addSong('+str+')">►</button></td>'+
'<td>'+obj.track+'</td>'+
'<td><a href="javascript:void(0)" onclick="audioFrame.clearPlaylist();audioFrame.addSong('+str+')">'+obj.title+'</a></td>'+
'<td><a href="javascript:void(0)" onclick="showAlbum(\''+obj.album_artist+'\',\''+obj.album+'\')">'+obj.album+'</a></td>'+
'<td><a href="javascript:void(0)" onclick="showArtist(\''+obj.album_artist+'\')">'+obj.artist+'</a></td></tr>';
}
}
}
tbldata += '</tbody>';
break;
case 3: //playlists
document.getElementById("set_3").className = "btn active";
var columns = '<colgroup>'+
'<col style="width:48px">'+
'<col style="width:48px">'+
'<col>'+
'<col style="width:48px">'+
'</colgroup>';
var tblhead = columns+
'<thead><tr>'+
'<th></th>'+
'<th></th>'+
'<th>Playlist</th>'+
'<th></th>'+
'</tr><thead>';
tbldata = columns+'<tbody>';
for (var playlist in playlists) {
obj = playlists[playlist];
str = html(JSON.stringify(obj));
tbldata += '<tr><td><button class="ibtn" onclick="audioFrame.addAlbum('+str+')">+</button></td>'+
'<td><button class="ibtn" onclick="audioFrame.clearPlaylist();audioFrame.document.getElementById(\'playlistName\').value=\''+playlist+'\';audioFrame.addAlbum('+str+')">►</button></td>'+
'<td><a href="javascript:void(0)" onclick="showPlaylist(\''+playlist+'\')">'+playlist+'</a></td>'+
'<td><button class="ibtn" onclick="deletePlaylist(\''+playlist+'\')">X</button></td></tr>';
}
tbldata += '</tbody>';
break;
default:
var tblhead = '';
var tbldata = 'This view has not been implemented yet.';
}
document.getElementById('tblhead').innerHTML = tblhead;
document.getElementById('tbldata').innerHTML = tbldata;
}
function showArtist(artist) {
resetButtons();
document.getElementById("hback").style.height = "112px";
document.getElementById("tblhead").style.top = "80px";
document.getElementById("tbldata").style.marginTop = "112px";
str = html(JSON.stringify(library[artist]));
var info = '<button class="ibtn" onclick="audioFrame.addArtist('+str+')">+</button> '+
'<button class="ibtn" onclick="audioFrame.clearPlaylist();audioFrame.addArtist('+str+')">►</button> '+
'<b>'+artist+'</b>';
var columns = '<colgroup>'+
'<col style="width:48px">'+
'<col style="width:48px">'+
'<col style="width:64px">'+
'<col>'+
'<col>'+
'</colgroup>';
var tblhead = columns+
'<thead><tr>'+
'<th></th>'+
'<th></th>'+
'<th>Track</th>'+
'<th>Title</th>'+
'<th>Album</th>'+
'</tr></thead>';
tbldata = columns+'<tbody>';
for (var album in library[artist]) {
for (var index in library[artist][album]) {
obj = library[artist][album][index];
str = html(JSON.stringify(obj));
tbldata += '<tr><td><button class="ibtn" onclick="audioFrame.addSong('+str+')">+</button></td>'+
'<td><button class="ibtn" onclick="audioFrame.clearPlaylist();audioFrame.addSong('+str+')">►</button></td>'+
'<td>'+obj.track+'</td>'+
'<td><a href="javascript:void(0)" onclick="audioFrame.clearPlaylist();audioFrame.addSong('+str+')">'+obj.title+'</a>'+
(artist != obj.artist ? ' - <i>'+obj.artist+'</i>' : '')+'</td>'+
'<td><a href="javascript:void(0)" onclick="showAlbum(\''+obj.album_artist+'\',\''+obj.album+'\')">'+obj.album+'</a></td></tr>';
}
}
tbldata += '</tbody>';
document.getElementById('info').innerHTML = info;
document.getElementById('tblhead').innerHTML = tblhead;
document.getElementById('tbldata').innerHTML = tbldata;
}
function showAlbum(artist,album) {
resetButtons();
document.getElementById("hback").style.height = "112px";
document.getElementById("tblhead").style.top = "80px";
document.getElementById("tbldata").style.marginTop = "112px";
str = html(JSON.stringify(library[artist][album]));
var info = '<button class="ibtn" onclick="audioFrame.addAlbum('+str+')">+</button> '+
'<button class="ibtn" onclick="audioFrame.clearPlaylist();audioFrame.addAlbum('+str+')">►</button> '+
'<b>'+album+'</b><br><a href="javascript:void(0)" onclick="showArtist(\''+artist+'\')">'+artist+'</button>';
var columns = '<colgroup>'+
'<col style="width:48px">'+
'<col style="width:48px">'+
'<col style="width:64px">'+
'<col>'+
'</colgroup>';
var tblhead = columns+
'<thead><tr>'+
'<th></th>'+
'<th></th>'+
'<th>Track</th>'+
'<th>Title</th>'+
'</tr></thead>';
tbldata = columns+'<tbody>';
for (var index in library[artist][album]) {
obj = library[artist][album][index];
str = html(JSON.stringify(obj));
tbldata += '<tr><td><button class="ibtn" onclick="audioFrame.addSong('+str+')">+</button></td>'+
'<td><button class="ibtn" onclick="audioFrame.clearPlaylist();audioFrame.addSong('+str+')">►</button></td>'+
'<td>'+obj.track+'</td>'+
'<td><a href="javascript:void(0)" onclick="audioFrame.clearPlaylist();audioFrame.addSong('+str+')">'+obj.title+'</a>'+
(artist != obj.artist ? ' - <i>'+obj.artist+'</i>' : '')+'</td></tr>';
}
tbldata += '</tbody>';
document.getElementById('info').innerHTML = info;
document.getElementById('tblhead').innerHTML = tblhead;
document.getElementById('tbldata').innerHTML = tbldata;
}
function showPlaylist(playlist) {
resetButtons();
document.getElementById("hback").style.height = "112px";
document.getElementById("tblhead").style.top = "80px";
document.getElementById("tbldata").style.marginTop = "112px";
str = html(JSON.stringify(playlists[playlist]));
var info = '<button class="ibtn" onclick="audioFrame.addAlbum('+str+')">+</button> '+
'<button class="ibtn" onclick="audioFrame.clearPlaylist();audioFrame.document.getElementById(\'playlistName\').value=\''+playlist+'\';audioFrame.addAlbum('+str+')">►</button> '+
'<b>'+playlist+'</b>';
var columns = '<colgroup>'+
'<col style="width:48px">'+
'<col style="width:48px">'+
'<col style="width:64px">'+
'<col>'+
'<col>'+
'<col>'+
'</colgroup>';
var tblhead = columns+
'<thead><tr>'+
'<th></th>'+
'<th></th>'+
'<th>Track</th>'+
'<th>Title</th>'+
'<th>Album</th>'+
'<th>Artist</th>'+
'</tr></thead>';
tbldata = columns+'<tbody>';
for (var index in playlists[playlist]) {
obj = playlists[playlist][index];
str = html(JSON.stringify(obj));
tbldata += '<tr><td><button class="ibtn" onclick="audioFrame.addSong('+str+')">+</button></td>'+
'<td><button class="ibtn" onclick="audioFrame.clearPlaylist();audioFrame.addSong('+str+')">►</button></td>'+
'<td>'+obj.track+'</td>'+
'<td><a href="javascript:void(0)" onclick="audioFrame.clearPlaylist();audioFrame.addSong('+str+')">'+obj.title+'</a></td>'+
'<td><a href="javascript:void(0)" onclick="showAlbum(\''+obj.album_artist+'\',\''+obj.album+'\')">'+obj.album+'</a></td>'+
'<td><a href="javascript:void(0)" onclick="showArtist(\''+obj.album_artist+'\')">'+obj.artist+'</a></td></tr>';
}
document.getElementById('info').innerHTML = info;
document.getElementById('tblhead').innerHTML = tblhead;
document.getElementById('tbldata').innerHTML = tbldata;
}
function search() {
var query = document.getElementById("query").value;
if (query != '') {
resetHeader();
resetButtons();
var r = new RegExp(query,"i");
var columns = '<colgroup>'+
'<col style="width:48px">'+
'<col style="width:48px">'+
'<col style="width:64px">'+
'<col>'+
'<col>'+
'<col>'+
'</colgroup>';
var tblhead = columns+
'<thead><tr>'+
'<th></th>'+
'<th></th>'+
'<th>Track</th>'+
'<th>Title</th>'+
'<th>Album</th>'+
'<th>Artist</th>'+
'</tr></thead>';
tbldata = columns+'<tbody>';
for (var artist in library) {
for (var album in library[artist]) {
for (var index in library[artist][album]) {
obj = library[artist][album][index];
if (r.test(obj.title) || r.test(obj.artist) || r.test(obj.album)) {
str = html(JSON.stringify(obj));
tbldata += '<tr><td><button class="ibtn" onclick="audioFrame.addSong('+str+')">+</button></td>'+
'<td><button class="ibtn" onclick="audioFrame.clearPlaylist();audioFrame.addSong('+str+')">►</button></td>'+
'<td>'+obj.track+'</td>'+
'<td><a href="javascript:void(0)" onclick="audioFrame.clearPlaylist();audioFrame.addSong('+str+')">'+obj.title+'</a></td>'+
'<td><a href="javascript:void(0)" onclick="showAlbum(\''+obj.album_artist+'\',\''+obj.album+'\')">'+obj.album+'</a></td>'+
'<td><a href="javascript:void(0)" onclick="showArtist(\''+obj.album_artist+'\')">'+obj.artist+'</a></td></tr>';
}
}
}
}
tbldata += '</tbody>';
document.getElementById('tblhead').innerHTML = tblhead;
document.getElementById('tbldata').innerHTML = tbldata;
}
}
function resetHeader() {
document.getElementById("info").innerHTML = "";
document.getElementById("hback").style.height = "72px";
document.getElementById("tblhead").style.top = "40px";
document.getElementById("tbldata").style.marginTop = "72px";
}
function resetButtons() {
document.getElementById("set_0").className = "btn";
document.getElementById("set_1").className = "btn";
document.getElementById("set_2").className = "btn";
document.getElementById("set_3").className = "btn";
}
function deletePlaylist(playlist) {
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200) {
loadPlaylists();
updateTable(3);
}
};
xhttp.open("POST", "deleteplaylist.php", true);
xhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
xhttp.send("name="+playlist);
}
function html(str) {
if (typeof(str) == "string") {
str = str.replace(/&/g, "&");
str = str.replace(/"/g, """);
str = str.replace(/'/g, "'");
str = str.replace(/</g, "<");
str = str.replace(/>/g, ">");
}
return str;
}