There are 2 previous versions of this script.
///////////////////////////////////////////////////////////////////////////////
//
// This is a Greasemonkey user script.
//
// Playlist.com Song Exporter
// Version 1.0, 2008-12-23
// Coded by Maarten van Egmond. See namespace URL below for contact info.
// Released under the GPL license: http://www.gnu.org/copyleft/gpl.html
//
// ==UserScript==
// @name Playlist.com Song Exporter
// @namespace http://userscripts.org/users/64961
// @author Maarten
// @version 1.0
// @description v1.0: Export the songs on your Playlist.com playlist into tab-separated format, so that you can import them on another site.
// @include http://view.playlist.com/*/manage?*
// ==/UserScript==
//
///////////////////////////////////////////////////////////////////////////////
//
// For install, uninstall, and known issues, see the namespace link above.
//
///////////////////////////////////////////////////////////////////////////////
//
// This script will export the songs on a Playlist.com playlist into
// tab-separated format. You can then import them on another site, e.g. via:
// Last.fm Playlist and Tag Manager: http://userscripts.org/scripts/show/32963
//
///////////////////////////////////////////////////////////////////////////////
// Singleton pattern.
var PlaylistDotComSongExporter = (function() {
//
// Private variables
//
//
// Private functions
//
// This function builds the GUI and adds it to the page body.
function _buildGui() {
// Add options to the Tools->Greasemonkey->User Script Commands menu.
GM_registerMenuCommand(
'Start Playlist.com Song Extractor', _startScript);
// Create GUI container.
var gui = document.createElement('center');
gui.setAttribute('id', 'scriptContainer');
gui.setAttribute('style', 'border: 10px solid #76A0CC; padding: 1em;');
var table = document.createElement('table');
_addTitleRow(table); // Add script title
_addControlsAndOutputArea(table);
gui.appendChild(table);
// Add GUI to the page.
var content = document.getElementById('content');
if (!content) {
content = document.body;
}
content.appendChild(document.createElement('br'));
content.appendChild(gui);
}
function _addControlsAndOutputArea(table) {
// Create start button.
var tr = document.createElement('tr');
var td = document.createElement('td');
td.setAttribute('style', 'padding-top: 1em');
var button = document.createElement('button');
button.setAttribute('id', 'startButton');
button.addEventListener('click', _startScript, true);
var span = document.createElement('span');
span.appendChild(document.createTextNode('Export Songs!'));
button.appendChild(span);
td.appendChild(button);
td.appendChild(document.createElement('br'));
td.appendChild(document.createElement('br'));
tr.appendChild(td);
table.appendChild(tr);
// Create output area.
tr = document.createElement('tr');
td = document.createElement('td');
var text = document.createElement('textarea');
text.setAttribute('rows', '7');
text.setAttribute('style', 'width: 99%');
text.setAttribute('id', 'outputArea');
td.appendChild(text);
tr.appendChild(td);
table.appendChild(tr);
}
function _addTitleRow(table) {
var tr = document.createElement('tr');
var td = document.createElement('th');
td.setAttribute(
'style', 'font-size: larger; font-weight: bold; '
+ 'text-align: center;');
td.appendChild(document.createTextNode(
'Playlist.com Song Exporter'));
td.appendChild(document.createElement('br'));
td.appendChild(document.createElement('br'));
tr.appendChild(td);
table.appendChild(tr);
}
function _addWorkQueueItems() {
// Don't take the whole document.body.innerHTML as text.
// Luckily there's a div containing just the items we need.
var text = document.getElementById('playlistTracks').innerHTML;
_exportTracksOnPage(text);
}
function _exportTracksOnPage(text) {
// In JavaScript, "everything until and including a newline" is
// represented as the expression "(?:.*?\n)*?". So that matches
// wherever you are in the string until the end-of-line, and any
// lines underneath it. To continue matching on another line,
// skip into the line first using ".*?".
var regex = /<span class="title">(.*?)<\/span>(?:.*?\n)*?.*?<span class="artist">(.*?)<\/span>/gi;
while (regex.test(text)) {
var track = RegExp.$1;
var artist = RegExp.$2;
_addOutput("\"" + artist + "\"\t\"" + track + "\"");
}
// All done!
_stopWorking();
}
function _captureEndState() {
// Inform the user about what happened.
alert('Done.');
}
///////////////////////////////////////////////////////////////////////
// START - Generic work queue functions.
///////////////////////////////////////////////////////////////////////
function _buildWorkQueue() {
// Add work to the queue.
_addWorkQueueItems();
}
function _stopWorking() {
// Reset button state.
_setButtonState(true);
_captureEndState();
}
///////////////////////////////////////////////////////////////////////
// END - Generic work queue functions.
///////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////
// START - Generic start/stop/output functions.
///////////////////////////////////////////////////////////////////////
// Event handler for the Start button.
function _startScript() {
// Prevent the user from pressing the Start button again.
_setButtonState(false);
_buildWorkQueue();
}
function _setButtonState(startState) {
var button = document.getElementById('startButton');
if (startState) {
button.removeAttribute('disabled');
} else {
button.setAttribute('disabled', true);
}
}
// Adds a message to the user-readable output area.
function _addOutput(msg) {
var output = document.getElementById('outputArea');
output.value += msg + "\n";
// Move cursor to the end of the output area.
output.scrollTop = output.scrollHeight;
}
///////////////////////////////////////////////////////////////////////
// END - Generic start/stop/output functions.
///////////////////////////////////////////////////////////////////////
// Return publicly accessible variables and functions.
return {
//
// Public functions
// (These access private variables and functions through "closure".)
//
// Initialize this script.
init: function() {
// Build the GUI for this script.
_buildGui();
// Now wait for user to press Start button.
}
};
})();
// End singleton pattern.
// Run this script.
PlaylistDotComSongExporter.init();
///////////////////////////////////////////////////////////////////////////////
