panikweb_templates/static/js/specifics.js

   1 var urlParams;
   2 (window.onpopstate = function () {
   3     var match,
   4         pl     = /\+/g,  // Regex for replacing addition symbol with a space
   5         search = /([^&=]+)=?([^&]*)/g,
   6         decode = function (s) { return decodeURIComponent(s.replace(pl, " ")); },
   7         query  = window.location.search.substring(1);
   8
   9     urlParams = {};
  10     while (match = search.exec(query))
  11        urlParams[decode(match[1])] = decode(match[2]);
  12 })();
  13
  14 $(function() {
  15
  16         doLog = function(aTextToLog, type){
  17                 var aLog = $('<div>',{'class':"log "+type,html:aTextToLog});
  18                 aLog.hide().prependTo($log).show('fast').delay(3000).hide('fast', function() {
  19                         $(this).remove();
  20                 });
  21         }
  22         var $main = $("#Changing");
  23         var $metaNav = $("#metaNav");
  24         var $log = $("#userLog");
  25         tooltip_options = {
  26                 position: {
  27                         my: "center bottom-5",
  28                         at: "center top",
  29                         using: function( position, feedback ) {
  30                                 $( this ).css( position );
  31                                 $( "<div>" )
  32                                 .addClass( "arrow" )
  33                                 .addClass( feedback.vertical )
  34                                 .addClass( feedback.horizontal )
  35                                 .appendTo( this );
  36                         }
  37                 }
  38         };
  39
  40         $('.newsRoll').tooltip(tooltip_options);
  41         $('#metaNav').tooltip(tooltip_options);
  42
  43         $('body').css({'min-height':$(window).height() + $('#Commons').height()});
  44         /****************************************************/
  45         /**** AJAX UTILITIES FOR REQUESTS ****/
  46         /****************************************************/
  47         String.prototype.decodeHTML = function() {
  48                 return $("<div>", {html: "" + this}).html();
  49         };
  50         var loadPage_request = null;
  51         afterLoad = function(html, textStatus, XMLHttpRequest) {
  52                 loadPage_request = null;
  53                 if (textStatus == "error") {
  54                         doLog('Sorry! And error occur when loading page content','error');
  55                 }
  56                 new_html = $.parseHTML(html);
  57                 new_content = $(new_html).find('#Changing>*');
  58                 $main.hide().empty().append(new_content).show();
  59
  60                 /* calling onpopstate here is necessary to get urlParams to be
  61                  * updated */
  62                 window.onpopstate();
  63
  64                 canonical_href_node = $.grep($(new_html), function(elem, idx) {
  65                         return (elem.nodeName === "LINK" && elem.attributes['rel'].value == "canonical");
  66                 })[0];
  67                 if (canonical_href_node) {
  68                         canonical_href = canonical_href_node.attributes['href'].value;
  69                         history.replaceState({}, '', canonical_href);
  70                 }
  71
  72                 new_menu = $($.parseHTML(html)).find('#metaNav>*');
  73                 $metaNav.empty().append(new_menu);
  74
  75                 var newTitle = html?html.match(/<title>(.*?)<\/title>/):'';
  76                 if(newTitle){document.title = newTitle[1].trim().decodeHTML();}
  77
  78                 /*
  79                 Quite UGLY but needed for styling the whole body with ID
  80                 Feel free to correct and find a better way
  81                 According to this link the probles is that $(html).filter('body').Attr('id') will not work!
  82                 http://www.devnetwork.net/viewtopic.php?f=13&t=117065
  83                 */
  84                 if(sectionName = $(html).find('[data-section]').attr('data-section')){
  85                         $('body').attr('id',sectionName);
  86                 }else{
  87                         var bodyID = html.match(/<body id="(.*?)">/);
  88                         if(bodyID){$('body').attr('id',bodyID[1].trim());}
  89                 }
  90                 $("#Changing").css({'min-height':$(window).height()});
  91                 $.scrollTo('#Changing',1000,{offset:-$('#metaNav').height()+2});
  92                 init();
  93
  94                 if (typeof (Piwik) == 'object') {
  95                         piwikTracker = Piwik.getAsyncTracker();
  96                         if (typeof (piwikTracker.trackPageView) == 'function') {
  97                                 piwikTracker.setDocumentTitle(document.title);
  98                                 piwikTracker.setCustomUrl(window.location.href);
  99                                 piwikTracker.trackPageView();
 100                                 $('.audio a').each(function() {
 101                                         piwikTracker.addListener(this);
 102                                 });
 103                         }
 104                 }
 105
 106         };
 107
 108         function afterLoadError(xhr, text, error) {
 109                 afterLoad(xhr.responseText, 'error', xhr);
 110         };
 111
 112         $(window).on("popstate", function(e) {
 113                 if (e.originalEvent.state !== null) {loadPage(location.href, false);}
 114         });
 115
 116         loadPage = function(href, push_state) {
 117                 if (push_state !== false) {
 118                         history.pushState({}, '', href);
 119                 }
 120                 if (loadPage_request !== null) {
 121                         loadPage_request.abort();
 122                 }
 123                 loadPage_request = $.ajax({
 124                         url: href,
 125                         success: afterLoad,
 126                         error: afterLoadError,
 127                         dataType: 'html'});
 128         };
 129         $.fn.ajaxifyClick = function(params) {
 130                 if ($('#df-wpr-sidebar').length > 0) {
 131                         /* this is fiber sidebar, it doesn't work well with
 132                          * seamless page loading */
 133                         return;
 134                 }
 135                 this.each(function() {
 136                         $(this).unbind('click');
 137                         $(this).bind('click',function(e){
 138                                 var href = $(this).attr("href");
 139                                 if (href.match('\.(pdf|odt|ods|doc|xls|docx|xlsx|rtf)$')) {
 140                                         /* open files */
 141                                         window.open(href, '_blank');
 142                                         return false;
 143                                 }
 144                                 if (e.which == 2) {
 145                                         window.open(href, '_blank');
 146                                         return false;
 147                                 }
 148                                 $(this).addClass('loading');
 149                                 /* this checks the link points to a local document, be
 150                                  * it because it's just a path, or because the server
 151                                  * part points to the same domain */
 152                                 if (!href) {
 153                                         doLog('No href attributes, unable to load content','error');
 154                                         $("#All a, #All area").removeClass('loading');
 155                                         return false;
 156                                 }else if (!$(this).attr('target') && (
 157                                                 href.indexOf(document.domain) > -1 ||href.indexOf(':') === -1 || href.indexOf(':') > 5
 158                                         )) {
 159                                         loadPage(href);
 160                                         return false;
 161                                 }else{
 162                                         $(this).attr('target','_blank');
 163                                         $("#All a, #All area").removeClass('loading');
 164                                         return true;
 165                                 }
 166                         });
 167                 });
 168         };
 169         /****************************************************/
 170         /**** AUDIOPLAYER ****/
 171         /****************************************************/
 172
 173         var timer = null;
 174         var refresh_onair_interval = 25000;
 175         var ticker_interval = null;
 176         /*
 177         //TODO: mini icon version for player, (playpause only)
 178         $('#togglePlayer').on('click',function(e) {
 179                 e.preventDefault();
 180                 if($(this).is('.icon-double-angle-left')){
 181                         $("#player").fadeOut('fast',function(){
 182                                 $("#player-container").toggleClass('minimized');
 183                                 $('#togglePlayer').toggleClass('icon-double-angle-left icon-double-angle-right');
 184                         });
 185                 }else{
 186                         $("#player").fadeIn('fast',function(){
 187                                 $("#player-container").toggleClass('minimized');
 188                                 $('#togglePlayer').toggleClass('icon-double-angle-left icon-double-angle-right');
 189                         });
 190                 }
 191                 return false;
 192         });
 193         */
 194         $('#WhatsOnAir').on('load',function(){
 195                 var WhatsOnAir = $(this);
 196                 $('#RefreshWhatsOnAir').addClass('spinning');
 197                 $.getJSON('/onair.json', function(onair) {
 198                         setTimeout(function() { $('#RefreshWhatsOnAir').removeClass('spinning'); }, 5000);
 199                         var onairContainer = $('<span>');
 200                         if(onair.data.episode || onair.data.emission) {
 201                                 if(onair.data.emission){
 202                                         $('<a>',{href:onair.data.emission.url,html:onair.data.emission.title}).appendTo(onairContainer).ajaxifyClick();
 203                                 }
 204                                 if(onair.data.episode){
 205                                         $('<span> - </span>').appendTo(onairContainer);
 206                                         $('<a>',{href:onair.data.episode.url,html:onair.data.episode.title}).appendTo(onairContainer).ajaxifyClick();
 207                                 }
 208                         } else if (onair.data.nonstop) {
 209                                 onairContainer = $('<span>' + onair.data.nonstop.title + '</span>');
 210                                 if (onair.data.track_title) {
 211                                         $('<span> - </span>').appendTo(onairContainer);
 212                                         $('<span class="nonstop-track-title">' + onair.data.track_title + '</span>').appendTo(onairContainer);
 213                                         if (onair.data.track_artist) {
 214                                                 $('<span> </span>').appendTo(onairContainer)
 215                                                 $('<span class="nonstop-track-artist">(' + onair.data.track_artist + ')</span>').appendTo(onairContainer);
 216                                         }
 217                                 }
 218                         }
 219                         else {
 220                                 onairContainer = $('<span>Unknown (Probably Non-Stop)</span>');
 221                         }
 222                         var current_html = WhatsOnAir.html();
 223                         var new_html = '<span>' + onairContainer.html() + '</span>';
 224                         if (new_html !== current_html) {
 225                                 WhatsOnAir.fadeOut();
 226                                 WhatsOnAir.empty().append(onairContainer);
 227                                 WhatsOnAir.fadeIn();
 228                         }
 229                 });
 230         });
 231         $('#RefreshWhatsOnAir').on('activate',function(e){
 232                 $('#WhatsOnAir').trigger('load');
 233                 timer = setInterval( "$('#WhatsOnAir').trigger('load');", refresh_onair_interval);
 234         }).on('deactivate',function(e){
 235                 $(this).removeClass('spinning');
 236                 $('#WhatsOnAir').removeClass('active');
 237                 clearInterval(timer);
 238         }).on('click',function(e){
 239                 $(this).toggleClass('active');
 240                 if($(this).is('.active')){
 241                         $(this).trigger('deactivate');
 242                 }else{
 243                         $(this).trigger('activate');
 244                 }
 245                 return false;
 246         }).trigger('activate');
 247         $("#DirectStreamPanikControler").on('click',function(e) {
 248                 e.preventDefault();
 249                 var stream = $('#DirectStreamPanik').get(0);
 250                 if (stream.paused == false){
 251                         stream.pause();
 252                 }else{
 253                         if (typeof (_paq) == 'object') {
 254                                 _paq.push(['trackEvent', 'Audio', 'Play Stream']);
 255                         }
 256                         stream.play();
 257                 }
 258                 return false;
 259         });
 260         $('#DirectStreamPanik').on('play',function(){
 261                 $('audio:not(#DirectStreamPanik)').each(function(){this.pause();});
 262                 $('#streamSymbol').removeClass('icon-volume-up').addClass('icon-pause');
 263                 $('#RefreshWhatsOnAir').trigger('activate');
 264         }).on('pause',function(){
 265                 //$('audio:not(#DirectStreamPanik)').each(function(){this.pause();});
 266                 $('#streamSymbol').addClass('icon-volume-up').removeClass('icon-pause');
 267         });
 268         if($('#player-container').offset()){
 269                 var topPosition = 0;
 270                 topPosition = $('#mainHeader > div').offset().top + $('#mainHeader > div').height();
 271                 $(window).bind('scroll load',function (event) {
 272                         //$('#player-container').removeClass('fixed');
 273                         var y = $(this).scrollTop() + 40;
 274                         if (topPosition!== 0 && y >= topPosition) {
 275                                 $('#player-container').addClass('fixed').removeClass('normal');
 276                         } else {
 277                                 $('#player-container').removeClass('fixed').addClass('normal');
 278                         }
 279                 });
 280         }
 281
 282         var $localList = $('#localList').playlist({
 283                 controlContainer: $('<div>',{'class':"playListControls"}).sortable(),
 284                 playlistContainer: $('<ol>',{id:"myPlaylist",'class':"custom"}).sortable(),
 285                 onLoad:function(self){
 286                         $('#toggleList').on('click',function(){
 287                                 self.playlistContainer.toggleClass('deploy');
 288                         });
 289                         $('#emptyList').on('click',function(){
 290                                 self._reset();
 291                         });
 292
 293                         if(self.isActive){
 294                                 self.playlistContainer.scrollTo(self.isActive, 800 );
 295                                 self.isActive.find('audio').attr('preload',"preload")
 296                         }
 297                         self.controlButtons['playpause'].addClass('resymbol');
 298                 },
 299                 onPlay:function(self){
 300                         $('#DirectStreamPanik')[0].pause();
 301                         self.playlistContainer.scrollTo(self.isActive, 800 );
 302                 },
 303                 onAdd:function(self){
 304                         //self.isLastAdd[0].scrollIntoView();
 305                         self.isLastAdd.find('a').ajaxifyClick();
 306                         self.playlistContainer.scrollTo(self.isLastAdd, 800).delay(1000).scrollTo(self.isActive, 800 ).clearQueue();
 307
 308                         if (typeof (_paq) == 'object') {
 309                                 _paq.push(['trackEvent', 'Audio', 'Add to playlist']);
 310                         }
 311                 },
 312                 onUpdate:function(self){
 313                         //doLog(JSON.stringify(self.playlist, null, '\t'));
 314                         if(self.playlist.length >= 1){
 315                                 self.element.show();
 316                                 $('#Player').addClass('withPlaylist').removeClass('withoutPlaylist');
 317                         }else{
 318                                 self.element.hide();
 319                                 $('#Player').removeClass('withPlaylist').addClass('withoutPlaylist');
 320                         }
 321                 }
 322         });
 323
 324         init = function() {
 325                 $("#All a, #All area").removeClass('loading');
 326                 $("#All a, #All area").ajaxifyClick();
 327                 $("#search-form").unbind('submit').on('submit', function(event) {
 328                         event.preventDefault();
 329                         $(this).addClass('loading');
 330                         loadPage($(this).attr('action') + '?' + $(this).serialize());
 331                 });
 332                 $(".tabs").each(function() {
 333                         var self = $(this);
 334                         var about= $($(this).attr("data-tab-about"));
 335                         var current = $(this).find("[data-tab].active")[0];
 336                         var dftShowSelector = current?".active":":first";
 337                         var activeTab = $(this).find("[data-tab]"+dftShowSelector+"").addClass("active");
 338                         $(this).find("[data-tab]").each(function() {
 339                             $(this).on('click load',function (e) {
 340                                 e.preventDefault();
 341                                 self.find(".active").removeClass("active");
 342                                 $(this).addClass("active");
 343                                 about.find("[data-tabbed]").hide();
 344                                 $($(this).attr("data-tab")).fadeIn();
 345
 346                             });
 347                         });
 348                         activeTab.trigger('load');
 349                 });
 350                 $('[data-player-action]').on('click',function(){
 351                         var audio = $('#'+$(this).attr('data-player-audio'));
 352                         var sound_id = audio.data('sound-id');
 353                         if($(this).attr('data-player-action') == "registerAudio"){
 354                                 $localList.playlist("registerAudio",audio,doLog(audio.attr('title')+' has been added to your playlist.','ok'));
 355                         }else if($(this).attr('data-player-action') == "playAudio"){
 356                                 $localList.playlist("registerAudio",audio,doLog(audio.attr('title')+' will play soon.','ok'));
 357                                 $localList.playlist("playSoundId", sound_id);
 358                                 if ($(this).parent().find('.icon-pause').length) {
 359                                         $(this).hide();
 360                                         $(this).parent().find('.icon-pause').show();
 361                                 }
 362                         }else if ($(this).attr('data-player-action') == "pauseSounds") {
 363                                 if ($(this).parent().find('.icon-play-sign').length) {
 364                                         $(this).hide();
 365                                         $(this).parent().find('.icon-play-sign').show();
 366                                 }
 367                                 $localList.playlist($(this).attr('data-player-action'));
 368                         }else{
 369                                 $localList.playlist($(this).attr('data-player-action'));
 370                         }
 371                 });
 372                 $('[data-player-control]').each(function(){
 373                         var audio = $('#'+$(this).attr('data-player-audio'));
 374                         $localList.playlist("bindControl",$(this).attr('data-player-control'),audio,$(this));
 375                 });
 376
 377                 $('[data-highlight]').on('check',function(){
 378                         $($(this).attr('data-about')).find($(this).attr('data-highlight')).addClass('highlighted').removeClass('normal');
 379                 }).on('uncheck',function(){
 380                         $($(this).attr('data-about')).find($(this).attr('data-highlight')).removeClass('highlighted').addClass('normal');
 381                 }).on('click',function(){
 382                         $(this).toggleClass('icon-check icon-check-empty');
 383                         if($(this).hasClass('icon-check')){$(this).trigger('check');
 384                         }else{  $(this).trigger('uncheck');}
 385                 });
 386                 $('[data-highlight].icon-check-empty').each(function(){
 387                         $(this).trigger('uncheck');
 388                 });
 389                 $('[data-toggle]').on('check',function(){
 390                         /* make sure all other unchecked items are hidden */
 391                         $('[data-toggle].icon-check-empty').each(function() {
 392                                 $($(this).attr('data-about')).find($(this).attr('data-toggle')).hide();
 393                         });
 394                         $($(this).attr('data-about')).find($(this).attr('data-toggle')).show();
 395                 }).on('uncheck',function(){
 396                         $($(this).attr('data-about')).find($(this).attr('data-toggle')).hide();
 397                         if ($('[data-toggle].icon-check').length == 0) {
 398                                 /* special case the situation where all toggles
 399                                  * are unchecked, as we want that to mean
 400                                  * "everything", not "nothing".
 401                                  */
 402                                 $('[data-toggle].icon-check-empty').each(function() {
 403                                         $($(this).attr('data-about')).find($(this).attr('data-toggle')).show();
 404                                 });
 405                         }
 406                 }).on('click',function(){
 407                         $(this).toggleClass('icon-check icon-check-empty');
 408                         if($(this).hasClass('icon-check')){$(this).trigger('check');
 409                         }else{  $(this).trigger('uncheck');}
 410                 });
 411                 $('[data-toggle].icon-check-empty').each(function(){
 412                         $(this).trigger('uncheck');
 413                 });
 414
 415                 initial_enabled_toggles = {};
 416                 if (typeof(urlParams.q) == 'string') {
 417                         urlParams.q.split('|').forEach(function(a) { initial_enabled_toggles[a] = 1; })
 418                 }
 419                 $('[data-toggle]').each(function() {
 420                         if ($(this).data('toggle').substring(1) in initial_enabled_toggles) {
 421                                 $(this).trigger('click');
 422                         }
 423                 });
 424
 425                 $('[data-popup-href]').on('click', function() {
 426                         $.ajax({
 427                                 url: $(this).data('popup-href'),
 428                                 success: function (html, textStatus, jqXhr) {
 429                                         $(html).appendTo($('body'));
 430                                 }
 431                         });
 432                         return false;
 433                 });
 434
 435                 if ($('input#id_q').val() == '') {
 436                         $('input#id_q').focus();
 437                 }
 438
 439                 $('#ticker li:not(:first)');
 440                 if (ticker_interval) clearInterval(ticker_interval);
 441                 function tick(){
 442                     $('#ticker li:first').animate({'opacity':0}, 200, function () {
 443                         $(this).appendTo($('#ticker')).css('opacity', 1);
 444                     });
 445                 }
 446                 $("#roller button").on('click',function(e){
 447                     clearInterval(ticker_interval);
 448                     e.preventDefault();
 449                     $($(this).attr('data-about')).prependTo('#ticker');
 450                     return false;
 451                 });
 452                 ticker_interval = setInterval(function(){tick();  }, 20000);/**/
 453
 454                 function navsearch_click(event) {
 455                         event.preventDefault();
 456                         var query = $('#nav-search input').val();
 457                         var form = $('#nav-search form');
 458                         var href = '';
 459                         if (query == '') {
 460                                 href = $(form).attr('action');
 461                         } else {
 462                                 href = $(form).attr('action') + '?' + $(form).serialize();
 463                         }
 464                         if (event.which == 2) {
 465                                 window.open(href, '_blank');
 466                         } else {
 467                                 $(this).addClass('loading');
 468                                 loadPage(href);
 469                         }
 470                         return false;
 471                 }
 472                 $('#nav-search a').unbind('click').on('click', navsearch_click);
 473                 $('#nav-search form').unbind('submit').on('submit', navsearch_click);
 474
 475                 $('[data-toggle-img]').bind('click', function() {
 476                         var src = $(this).data('toggle-img');
 477                         $(this).data('toggle-img', $(this).attr('src'));
 478                         $(this).attr('src', src);
 479                         $(this).toggleClass('right marged');
 480                 });
 481
 482                 $('#Main #Emission-tabs-detail audio, div.soundcell audio').each(function(index, audio) {
 483                         var audio_src = $(audio).find('source')[0];
 484                         var sound_id = $(audio).data('sound-id');
 485                         var $waveform = $(audio).next();
 486                         $.getJSON(audio_src.src.replace('.ogg', '.waveform.json'), function(data) {
 487                                 $waveform.empty();
 488                                 $waveform.append('<i class="duration">' + $waveform.data('duration-string') + '</i>');
 489                                 $.each(data, function(k, val) {
 490                                         var val = val * 0.5;
 491                                         $waveform.append('<span data-tick-index="' + k + '" style="height: ' + val + 'px;"></span>');
 492                                 });
 493                                 $waveform.show();
 494                                 $waveform.find('span').on('click', function() {
 495                                         /* if there's been something loaded */
 496                                         var matching_audio = $('audio[data-sound-id=' + sound_id + ']');
 497                                         if (matching_audio.length == 0) return;
 498                                         matching_audio = matching_audio[0];
 499                                         if (matching_audio.paused || matching_audio.ended) {
 500                                                 /* ignore */
 501                                                 return;
 502                                         }
 503                                         /* try to set time */
 504                                         var total_duration = parseFloat($waveform.data('duration'));
 505                                         var nb_ticks = $(this).parent().find('span').length;
 506                                         var tick_index = $(this).data('tick-index');
 507                                         matching_audio.currentTime = total_duration * tick_index / nb_ticks;
 508                                 });
 509                         });
 510                 });
 511
 512                 $('#nav-language span').click(function() {
 513                         document.cookie = 'panikweb_language=' + $(this).data('lang') + '; path=/';
 514                         window.location = window.location;
 515                         return false;
 516                 });
 517
 518                 if (document.cookie.indexOf('panikdb=on') != -1) {
 519                         panikdb_path = null;
 520                         if (window.location.pathname.indexOf('/emissions/') == 0) {
 521                                 panikdb_path = window.location.pathname;
 522                         } else if (window.location.pathname.indexOf('/news/') == 0) {
 523                                 panikdb_path = '/emissions' + window.location.pathname;
 524                         }
 525                         if (panikdb_path) {
 526                                 $('<a id="panikdb" href="http://panikdb.radiopanik.org' + panikdb_path + '">Voir dans PanikDB</a>').appendTo($main);
 527                         }
 528                 }
 529
 530                 $('.gallery').each(function() {
 531                   var $gallery = $(this);
 532                   $gallery.find('span.image').on('click', function() {
 533                     if ($(this).find('img').hasClass('portrait')) {
 534                         $(this).parents('.gallerycell').addClass('portrait');
 535                     } else {
 536                         $(this).parents('.gallerycell').removeClass('portrait');
 537                     }
 538                     $gallery.find('div.first img').attr('src', $(this).data('image-large'));
 539                     $gallery.find('div.first span.gallery-legend').text($(this).find('img').attr('title'));
 540                     $gallery.find('div.first').show('fade');
 541                     return false;
 542                   });
 543                   $gallery.find('div.first').on('click', function() { $(this).toggle('fade'); return false; });
 544                 });
 545
 546         }
 547         init();
 548
 549         if (! document.createElement('audio').canPlayType('audio/ogg') &&
 550                 document.createElement('audio').canPlayType('audio/aac') ) {
 551                 $('#ogg-m3u').hide().removeClass('resymbol');
 552                 $('#aac-m3u').addClass('resymbol').show();
 553         }
 554
 555         var konami = new Konami('/party');
 556
 557         $(document).on('panik:timeupdate', function(ev, data) {
 558                 $waveform = $('#Main div.waveform[data-sound-id="' + data.sound_id + '"]');
 559                 var elems = $waveform.find('span');
 560                 var total_elems = elems.length;
 561                 var done = total_elems * data.position;
 562                 $waveform.find('span').each(function(k, elem) {
 563                   if (k < done) {
 564                         $(elem).addClass('done').removeClass('current');
 565                   } else {
 566                         $(elem).removeClass('done');
 567                   }
 568                 });
 569                 $waveform.find('span.done:last').addClass('current');
 570         });
 571
 572         $("body").keydown(function(e) {
 573           var $visible_element = $('div.first:visible img');
 574           if ($visible_element.length == 0) {
 575             return true;
 576           }
 577           if ($visible_element.length > 1) {
 578             /* remove all but last */
 579             $visible_element.parent().find('img:not(:last)').remove();
 580           }
 581           var $visible_element = $('div.first:visible img');
 582           var img_url = $visible_element.attr('src');
 583           var all_img = $('div.gallery span[data-image-large] img');
 584           var active_img = $('div.gallery span[data-image-large="' + img_url + '"] img');
 585           var idx = all_img.index(active_img);
 586           if (e.which == 37) { // left
 587             idx--;
 588             if (idx == -1) {
 589               idx = all_img.length-1;
 590             }
 591           } else if (e.which == 39) { // right
 592             idx++;
 593             if (idx == all_img.length) {
 594               idx = 0;
 595             }
 596           } else if (e.which == 27) { // escape
 597             $visible_element.parent().toggle('fade');
 598             return true;
 599           } else {
 600             return true;
 601           }
 602           /* create a new <img> with the new image but opacity 0, then display
 603            * it using a css transition */
 604           if (e.which == 37) { $visible_element.css('transform-origin', 'bottom right'); }
 605           if (e.which == 39) { $visible_element.css('transform-origin', 'bottom left'); }
 606           var new_img = $visible_element.clone().appendTo($visible_element.parent());
 607           $(new_img).css('opacity', 0).attr('src', $(all_img[idx]).parent().data('image-large'));
 608           $(new_img).css('transform', 'scale(0, 1)');
 609           $(new_img)[0].offsetHeight; /* trigger reflow */
 610           $(new_img).css('opacity', 1).css('transform', 'scale(1)');
 611           $(new_img).parents('.gallery').find('span.gallery-legend').text($(all_img[idx]).attr('title'));
 612           if ($(all_img[idx]).hasClass('portrait')) {
 613             if (! $(new_img).parents('.gallerycell').hasClass('portrait')) {
 614               $visible_element.parent().find('img:not(:last)').remove();
 615               $(new_img).parents('.gallerycell').addClass('portrait');
 616             }
 617           } else {
 618             if ($(new_img).parents('.gallerycell').hasClass('portrait')) {
 619               $visible_element.parent().find('img:not(:last)').remove();
 620               $(new_img).parents('.gallerycell').removeClass('portrait');
 621             }
 622           }
 623           return false;
 624         });
 625
 626 });