Get some playlist info (Requested by Arnie)

// ==PREPROCESSOR==
// @name "Get some playlist info (15.June.2012)"
// @author "ExtremeHunter"
// ==/PREPROCESSOR==
function RGB(r, g, b) {
    return (0xff000000 | (r << 16) | (g << 8) | (b));
}

(function getPlaylistInfo() {

    activePlaylist = plman.ActivePlaylist;
    getPlaylistItems = plman.GetPlaylistItems(activePlaylist);
    playlistItemCount = plman.PlaylistItemCount(activePlaylist);
    seconds = 0;
    sizeInBytes = 0;
    timeFormat = function (s) {

        var weeks = Math.floor(s / 604800),
            days = Math.floor(s % 604800 / 86400),
            hours = Math.floor((s % 86400) / 3600),
            minutes = Math.floor(((s % 86400) % 3600) / 60),
            seconds = (((s % 86400) % 3600) % 60).toFixed(0),
            weeks = weeks > 0 ? weeks + "wk " : "",
            days = days > 0 ? days + "d " : "",
            hours = hours > 0 ? hours + ":" : "",
            minutes = (minutes < 10 ? "0" + minutes : minutes) + ":",
            seconds = seconds < 10 ? "0" + seconds : seconds;

        return weeks + days + hours + minutes + seconds;

    }

    var tempFileName;
    for (var i = 0, l = playlistItemCount; i != l; i++) {

        seconds += parseFloat(fb.TitleFormat("%length_seconds_fp%").EvalWithMetadb(getPlaylistItems.Item(i)));
        fileName = fb.TitleFormat("$filename(%_path%).$ext(%_path%)").EvalWithMetadb(getPlaylistItems.Item(i));
        if (fileName != tempFileName) {
            sizeInBytes += Math.floor(fb.TitleFormat("%filesize%").EvalWithMetadb(getPlaylistItems.Item(i)));
        }
        tempFileName = fileName;
    }

    var sizeInMB = sizeInBytes / 1048576;
    var sizeInGB = sizeInBytes / 1073741824;

    if (sizeInMB < 1024) size = Math.floor(sizeInMB) + " MB";
    else size = Math.floor(100 * sizeInGB) / 100 + " GB";

    window.Repaint();

})();

function on_paint(gr) {
    gr.GdiDrawText("Playlist name: " + plman.GetPlaylistName(activePlaylist) + "\n" + playlistItemCount + " Items" + (sizeInBytes ? "\nTotal time: " + timeFormat(seconds) + "\nSize: " + size : ""), gdi.font("Segoe Ui", 24, 0), RGB(0, 0, 0), 20, 20, 1000, 500, 0x00000004);
}

function on_playlist_switch() {
    getPlaylistInfo();
}

function on_playlist_items_added(playlist) {
    getPlaylistInfo();
}

function on_playlist_items_removed(playlist, new_count) {
    getPlaylistInfo();
}