simpleWebSlides.js

   1 /*
   2   Namespace object.
   3 */
   4
   5 var SWS = SWS || {};
   6
   7
   8
   9 SWS.Utils = new function () {
  10     var self = this;
  11
  12     self.isUndefined = function (o) { return typeof o == "undefined"; };
  13     self.push2 = function (t, i, v) {
  14         if ((typeof t[i]) == 'undefined') {
  15             t[i] = new Array();
  16         };
  17         var l = t[i].length;
  18         t[i][l] = v;
  19     };
  20
  21     self.isEmpty = function (o) {
  22         for(var _ in o) return false;
  23         return true;
  24     };
  25
  26     self.parseFrameSpec = function (s) {
  27         var elems = s.split("_");
  28         var result = {};
  29         var min_last = 10000;
  30         var max_value = -1;
  31         for(var i = 0; i < elems.length; i++){
  32             var bounds = elems[i].split("-");
  33             if (bounds.length > 2 || bounds.length == 0) return {};
  34             if (bounds.length == 1) bounds[1] = bounds[0];
  35             var a = parseInt(bounds[0]);
  36             var b = parseInt(bounds[1])
  37             if (!isFinite(a) || !isFinite(b)) return {};
  38             a = Math.min(a, 1000); // don't allow more than 1000 frames/slide
  39             b = Math.min(b, 1000);
  40             if (b > max_value) max_value = b;
  41             for (var j = a; j <= b; j++)
  42                 result[j] = true;
  43         };
  44         return result;
  45     };
  46
  47     self.getParameterByName = function (name) {
  48         name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
  49         var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
  50         results = regex.exec(location.search);
  51         return results == null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
  52     }
  53 };
  54
  55
  56
  57
  58 SWS.Templates = new function () {
  59     var self = this;
  60     self.controlPanel = "<div id='sws-control-panel-canvas'><div id='sws-control-panel'>\
  61 <div id='sws-control-panel-title-bar'>\
  62 <a title='Toggle fullscreen' id='sws-control-panel-fullscreen' class='sws-symbol' onclick='SWS.Presentation.toggleFullScreen();'></a>\
  63 <a title='Close panel' id='sws-control-panel-close' onclick='$(\"#sws-control-panel-canvas\").toggle();'>&#x2716;</a>\
  64 </div>\
  65 <div id='sws-control-panel-options'>\
  66 <span title='Change the aspect ratio' class='sws-symbol' >&#x1f4bb;</span><select id='sws-aspect-select' onchange='SWS.Presentation.changeAspect();'>\
  67 <option value='sws-aspect-4-3'>4:3</option>\
  68 <option value='sws-aspect-16-9'>16:9</option>\
  69 <option value='sws-aspect-16-10'>16:10</option>\
  70 </select>\
  71 <span title='Change the theme' class='sws-symbol'>&#x1f3a8;</span><select id='sws-theme-select' onchange='SWS.Presentation.changeTheme();'></select>\
  72 <a onclick='SWS.Presentation.openPrint()' ><span title='Open Print-Out' class='sws-symbol'>&#59158;</span></a>\
  73 </div>\
  74 <div id='sws-control-panel-navigation'>\
  75 <a title='First slide' class='sws-symbol' onclick='SWS.Presentation.goToSlide(SWS.Presentation.firstSlide());' >&#x23ee;</a>\
  76 <a title='Previous slide' class='sws-symbol' onclick='SWS.Presentation.previousSlide();SWS.Presentation.refresh();'>&#x23ea;</a>\
  77 <a title='Previous step' class='sws-symbol' style='-webkit-transform: scaleX(-1);' onclick='SWS.Presentation.previous();SWS.Presentation.refresh();'>&#x25b6;</a>\
  78 <a title='Next step' class='sws-symbol' onclick='SWS.Presentation.next();SWS.Presentation.refresh();'>&#x25b6;</a>\
  79 <a title='Next slide' class='sws-symbol' onclick='SWS.Presentation.nextSlide();SWS.Presentation.refresh();'>&#x23e9;</a>\
  80 <a title='Last slide' class='sws-symbol' onclick='SWS.Presentation.goToSlide(SWS.Presentation.lastSlide());'>&#x23ed;</a>\
  81 <br/>\
  82 <span class='sws-symbol'>&#xe4ae;</span><input type='text' id='sws-control-panel-slide-input' oninput='SWS.Presentation.goToSlide($(\"#sws-control-panel-slide-input\").val()-1);'></input><span id='sws-control-panel-total-slides'></span>\
  83 <input type='range' title='Navigate the presentation' id='sws-control-panel-navigation-bar' onchange='SWS.Presentation.navigate();' step='1'></input>\
  84 </div>\
  85 </div>\
  86 </div>";
  87     self.slideActivate = function (o) {
  88         if (!(o.hasClass("sws-active-slide"))){
  89             o.removeClass("sws-inactive-slide").addClass("sws-active-slide");
  90         };
  91     };
  92
  93     self.slideDeactivate = function (o) {
  94         if (!(o.hasClass("sws-inactive-slide"))){
  95             o.removeClass("sws-active-slide").addClass("sws-inactive-slide");
  96         };
  97     };
  98
  99     self.slideChange = function (from, to) {
 100         var canvas = $(".sws-canvas");
 101         self.slideDeactivate($(canvas[from]));
 102         self.slideActivate($(canvas[to]));
 103     };
 104
 105     self.objectActivate = function (o) {
 106         if (!(o.hasClass("sws-active-object"))){
 107             o.removeClass("sws-inactive-object").addClass("sws-active-object");
 108             o.css('visibility','visible');
 109             return true;
 110         };
 111         return false;
 112     };
 113
 114     self.objectDeactivate = function (o) {
 115         if (!(o.hasClass("sws-inactive-object"))){
 116             o.addClass("sws-inactive-object").removeClass("sws-active-object");
 117             return true;
 118         };
 119         return false;
 120     };
 121
 122     self.updateFooter = function (o) {
 123         var footer = o.find(".sws-footer");
 124         if (footer.length && (footer.children("*").length == 0)) {
 125             var i = SWS.Presentation.getCurrentSlide();
 126             var cur = $( "<span class='sws-current-slide-number'>"
 127                          + (i + 1)
 128                          +"</span>");
 129             var sep = $( "<span class='sws-slide-num-sep' />");
 130             var tot = $( "<span class='sws-last-slide-number'>"
 131                          + (SWS.Presentation.getNumSlides())
 132                          +"</span>");
 133             footer.append(cur).append(sep).append(tot);
 134         };
 135     };
 136     self.updateHeader = function (o) {};
 137 };
 138 SWS.ConfigBuilder = function () {
 139     var self = this;
 140     self['sws-object-activate'] = SWS.Templates.objectActivate;
 141     self['sws-object-deactivate'] = SWS.Templates.objectDeactivate;
 142     self['sws-slide-change'] = SWS.Templates.slideChange;
 143     self['sws-update-footer'] = SWS.Templates.updateFooter;
 144     self['sws-update-header'] = SWS.Templates.updateHeader;
 145 };
 146
 147 SWS.Defaults = new SWS.ConfigBuilder ();
 148
 149 SWS.Config = new SWS.ConfigBuilder ();
 150
 151
 152 SWS.Effects = new function () {
 153     var self = this;
 154
 155     self.objectDeactivateFadeOut = function (o) {
 156         o.animate({'opacity': '0'}, 200,
 157                   function () { SWS.Templates.objectDeactivate(o)});
 158     };
 159
 160     self.objectActivateFadeIn = function (o) {
 161
 162         if (SWS.Templates.objectActivate(o)){
 163             o.animate({'opacity': '1' }, 200);
 164         };
 165
 166     };
 167
 168     self.slideChangeHorizontalFlip = function (from, to){
 169         var f = SWS.Presentation.getSlide(from);
 170         var t = SWS.Presentation.getSlide(to);
 171         f.animate({ 'left': '50%', 'width': '0pt', 'opacity':'0' }, 150,
 172                   function  () {
 173                       SWS.Templates.slideDeactivate(f);
 174                       f.css({'left':'0%', 'width': '100%'});
 175                       t.css({ 'left': '50%', 'width': '0pt','opacity':'0' });
 176                       SWS.Templates.slideActivate(t);
 177                       t.animate({'left':'0%', 'width': '100%','opacity':'1'});
 178                   });
 179     };
 180     self.slideChangeFadeOutIn = function (from, to) {
 181         var f = SWS.Presentation.getSlide(from);
 182         var t = SWS.Presentation.getSlide(to);
 183         f.animate({ 'opacity': '0'}, 150,
 184                   function () { SWS.Templates.slideDeactivate(f);
 185                                 SWS.Templates.slideActivate(t);
 186                                 t.css('opacity', '0');
 187                                 t.animate({ 'opacity': '1'}, 150);
 188                               });
 189     };
 190     self.slideChangeHorizontalSlide = function (from, to) {
 191         var f = SWS.Presentation.getSlide(from);
 192         var t = SWS.Presentation.getSlide(to);
 193         if (from < to) {
 194             t.css('left', '100%');
 195             t.css('opacity', '1');
 196             SWS.Templates.slideActivate(t);
 197             f.animate({ 'left': '-100%' }, 250, function () { SWS.Templates.slideDeactivate(f);
 198                                                               f.css('opacity', '0');
 199                                                               t.animate({ 'left': '0%' }, 250);
 200                                                             });
 201         } else {
 202             t.css('left', '-100%');
 203             SWS.Templates.slideActivate(t);
 204             f.animate({ 'left': '100%' }, 250, function () { SWS.Templates.slideDeactivate(f);
 205                                                              f.css('opacity', '0');
 206                                                            });
 207             t.css('opacity', '1');
 208             t.animate({ 'left': '0%' }, 250);
 209         };
 210     };
 211
 212
 213     self.slideChangeVerticalSlide = function (from, to) {
 214         var f = SWS.Presentation.getSlide(from);
 215         var t = SWS.Presentation.getSlide(to);
 216         if (from < to) {
 217             t.css('top', '100%');
 218             SWS.Templates.slideActivate(t);
 219             f.animate({ 'top': '-100%' }, 250, function () { SWS.Templates.slideDeactivate(f); });
 220             t.animate({ 'top': '0%' }, 250);
 221         } else {
 222             t.css('top', '-100%');
 223             SWS.Templates.slideActivate(t);
 224             f.animate({ 'top': '100%' }, 250, function () { SWS.Templates.slideDeactivate(f); });
 225             t.animate({ 'top': '0%' }, 250);
 226         };
 227     };
 228
 229 };
 230
 231 SWS.Fullscreen = new function () {
 232     var self = this;
 233
 234     if (SWS.Utils.isUndefined(document.fullScreen)) {
 235         if (SWS.Utils.isUndefined(document.mozfullScreen)) {
 236             self.status = function () { return document.webkitIsFullScreen; };
 237             self.enter = function(e) {
 238                 e.webkitRequestFullScreen();
 239             };
 240             self.exit = function () {
 241                 document.webkitCancelFullScreen();
 242             };
 243
 244         } else {
 245             self.status = function () { return document.mozfullScreen; };
 246             self.enter = function(e) {
 247                 e.mozRequestFullScreen();
 248             };
 249             self.exit = function () {
 250                 document.mozCancelFullScreen();
 251             };
 252
 253         };
 254     } else {
 255             self.status = function () { return document.fullScreen; };
 256             self.enter = function(e) {
 257                 e.requestFullScreen();
 258             };
 259             self.exit = function () {
 260                 document.cancelFullScreen();
 261             };
 262
 263     };
 264
 265
 266 };
 267
 268 SWS.Presentation = new function () {
 269
 270
 271     var self = this;
 272
 273     //TODO move outside of the Presentation object
 274
 275
 276     var _total_slides;
 277     var _initialized = false;
 278     var _disable_input_events = false;
 279     var _print_mode = false;
 280     var _slide_callbacks = new Array ();
 281     var _total_steps = -1;
 282     var _current_theme = "";
 283
 284     self.getNumSlides = function () { return _total_slides; };
 285
 286     self.getSlide = function(i) {
 287         return $($(".sws-canvas")[i]);
 288     };
 289
 290     self.registerCallback = function (i, f) {
 291         if (_initialized) return;
 292         //jQuery does not seem to work well
 293         //on a partial DOM
 294
 295         var slide_num = $(".sws-slide").length - 1;
 296
 297         SWS.Utils.push2(_slide_callbacks, slide_num,{ 'fn': f, 'frame': i });
 298
 299     };
 300
 301     if (typeof(Storage)!=="undefined"){
 302         self.getCurrentSlide = function () {
 303             //unary + casts to integer
 304             var i = +(sessionStorage.getItem("current_slide"));
 305             if (!(i >= 0 && i < self.getNumSlides())){
 306                 return 0;
 307             } else {
 308                 return i;
 309             };
 310         };
 311
 312         self.setCurrentSlide = function (i) {
 313             sessionStorage.setItem("current_slide", i);
 314         };
 315
 316     } else {
 317         var _current_slide = 0;
 318         self.getCurrentSlide = function () { return _current_slide; };
 319         self.setCurrentSlide = function (i) { _current_slide = i; };
 320
 321     };
 322     self.firstSlide = function () { return 0; };
 323     self.lastSlide = function () { return self.getNumSlides() - 1; };
 324     self.refresh = function () {
 325         /* block upcoming input event until all animations are finished */
 326         _disable_input_events = true;
 327
 328         var canvas = $(".sws-canvas");
 329         var from_slide_num = canvas.index($(".sws-active-slide"));
 330         var to_slide_num = self.getCurrentSlide();
 331         var watch_slide_anim = false;
 332         var to_slide = $(canvas[to_slide_num]);
 333         var from_slide = $(canvas[from_slide_num]);
 334         var slide_change = (from_slide_num != to_slide_num);
 335
 336
 337         var info = to_slide.data("sws-frame-info");
 338         SWS.Config['sws-update-header'](to_slide);
 339         SWS.Config['sws-update-footer'](to_slide);
 340
 341         if (slide_change) {
 342             //Launch a slide transition:
 343             SWS.Config['sws-slide-change'](from_slide_num, to_slide_num);
 344             watch_slide_anim = true;
 345             for (var i = 0; i < info.callbacks.at_slide.length;i++){
 346                 info.callbacks.at_slide[i](to_slide);
 347             };
 348         };
 349
 350
 351         var cur = info.current;
 352         var custom = info.custom;
 353         var real_slide = to_slide.find(".sws-slide");
 354
 355         real_slide.find("*").andSelf().each(function (i){
 356             var frameset = $(this).data("sws-frame-set") || {};
 357             if (frameset[cur])
 358                 SWS.Config['sws-object-activate']($(this));
 359             else
 360                 SWS.Config['sws-object-deactivate']($(this));
 361         });
 362
 363         var callbacks;
 364         if (callbacks = info.callbacks.at_frame[self.getCurrentFrame()]){
 365             for (var k = 0; k < callbacks.length; k++)
 366                 callbacks[k]($(to_slide));
 367         };
 368
 369         var all = $(from_slide).add(to_slide);
 370         all.find("*").addBack().promise().done(function() {
 371             _disable_input_events = false;
 372         });
 373     };
 374
 375     self.nextSlide = function () {
 376         self.setCurrentSlide(Math.min(self.getCurrentSlide()+1,
 377                                       self.lastSlide()));
 378         self.setCurrentFrame(self.firstFrame());
 379     };
 380
 381     self.previousSlide = function () {
 382         self.setCurrentSlide(Math.max(self.getCurrentSlide()-1,
 383                                       self.firstSlide()));
 384         self.setCurrentFrame(self.firstFrame());
 385     };
 386
 387     self.getFrameInfo = function () {
 388
 389         var i = self.getCurrentSlide();
 390         var canvas = $($(".sws-canvas")[i]);
 391         var infos = canvas.data("sws-frame-info");
 392         return infos;
 393     };
 394
 395     self.getTotalSteps = function () {
 396         if (_total_steps >= 0) return _total_steps;
 397         _total_steps = 0;
 398         $(".sws-canvas").each(function(i) {
 399             var canvas = $($(".sws-canvas")[i]);
 400             var infos = canvas.data("sws-frame-info");
 401             console.log(infos);
 402             _total_steps += infos.last + 1;
 403         });
 404         return _total_steps;
 405     };
 406
 407     self.getCurrentFrame = function () { return self.getFrameInfo().current; };
 408     self.setCurrentFrame = function (i) { self.getFrameInfo().current = i; };
 409     self.firstFrame = function () { return 0; };
 410     self.lastFrame = function () { return self.getFrameInfo().last; };
 411
 412     self.nextFrame = function () {
 413         self.setCurrentFrame(Math.min(self.getCurrentFrame()+1,
 414                                       self.lastFrame()));
 415
 416     };
 417     self.previousFrame = function () {
 418         self.setCurrentFrame(Math.max(self.getCurrentFrame()-1,
 419                                        self.firstFrame()));
 420     };
 421
 422     self.next = function () {
 423         var i = self.getCurrentFrame();
 424         if (i == self.lastFrame()) {
 425             self.nextSlide();
 426             self.setCurrentFrame(self.firstFrame());
 427         } else
 428             self.nextFrame();
 429     };
 430
 431     self.previous = function () {
 432         var i = self.getCurrentFrame();
 433         if (i == self.firstFrame()){
 434             self.previousSlide();
 435             self.setCurrentFrame(self.lastFrame());
 436         }
 437         else
 438             self.previousFrame();
 439     };
 440
 441     self.goToSlide = function (s, f) {
 442         if (SWS.Utils.isUndefined(f))
 443             f = 0;
 444         if (!(s >= self.firstSlide() && s <= self.lastSlide())) return;
 445         self.setCurrentSlide(s);
 446         if (!(f >= self.firstFrame() && f <= self.lastFrame())) f = 0;
 447         self.setCurrentFrame(f);
 448         self.refresh();
 449     };
 450
 451     self.cycleStyle = function() {
 452         var styles = $("head").children('link[rel$="stylesheet"][title]');
 453         var j = styles.index(styles.filter(':not(:disabled)'));
 454         styles[j].disabled = true;
 455         if (++j == styles.length) j = 0;
 456         styles[j].disabled = false;
 457     };
 458
 459
 460     self.printMode = function () {
 461         _print_mode = true;
 462         var progress = $("<div style='position:fixed;top:0pt;left:0pt;background:white;color:black;width:100%;height:100vh;z-index:200;' id='sws-print-progress'>Rendering presentation: <span id='sws-percent-progress'></span>%</div>");
 463         $("body").append(progress);
 464
 465         $("html").removeClass("sws-display").addClass("sws-print");
 466         self.goToSlide(0,0);
 467         var steps = self.getTotalSteps();
 468         var total_steps = steps;
 469         var loop;
 470         loop = function () {
 471             if (steps >= 0) {
 472                 //Crazy workaround for chromium
 473                 ($("link.sws-theme[rel='stylesheet']")[0]).disabled = false;
 474                 $(".sws-canvas").find("*").addBack().promise().done(function() {
 475                     var percent = ((total_steps - steps) / total_steps) * 100;
 476                     $("#sws-percent-progress").text(Math.round(percent));
 477                     SWS.Config['sws-slide-change'] = SWS.Templates.slideChange;
 478                     self.refresh();
 479                     $($(".sws-canvas")[self.getCurrentSlide()]).css('opacity', 1 );
 480                     self.next();
 481                     steps--;
 482                     loop();
 483                     })
 484             } else {
 485                 $("#sws-percent-progress").text(100);
 486                 progress.remove();
 487             }
 488         };
 489         loop();
 490
 491     }
 492
 493     self.inputHandler = function (event) {
 494         if (_disable_input_events || _print_mode ) return;
 495         switch (event.which) {
 496         case 36:/* Home */
 497             self.setCurrentSlide(self.firstSlide());
 498             break;
 499
 500         case 35:/* End */
 501             self.setCurrentSlide(self.lastSlide());
 502             break;
 503
 504         case 32: /* space */
 505         case 34: /* PgDown */
 506         case 39: /* -> */
 507             if (self.getCurrentSlide() == self.lastSlide()
 508                 && self.getCurrentFrame() == self.lastFrame()) return;
 509             self.next();
 510             break;
 511         case 78: /* n */
 512             self.nextSlide();
 513             break;
 514         case 8: /* backspace */
 515         case 33: /* PgUp */
 516         case 37: /* <-   */
 517             self.previous();
 518             break;
 519         case 80: /* p */
 520             self.previousSlide();
 521             break;
 522         case 83: /* s */
 523             self.cycleStyle();
 524             return;
 525         case 67: /* c */
 526             $("#sws-control-panel-canvas").toggle();
 527         default:
 528             return;
 529         };
 530         self.refresh();
 531     };
 532
 533
 534
 535     function init_canvas(canvas, custom) {
 536         var cur_frame = 0;
 537         var last_frame = canvas.find(".sws-pause").length;
 538         //Add all regular elements to the frame list
 539         var slide = $(canvas.find(".sws-slide")[0]);
 540
 541         var callbacks = { at_slide : new Array(),
 542                           at_frame : new Array() }
 543
 544         if (SWS.Utils.isUndefined(custom)) {
 545             custom = new Array ();
 546         };
 547
 548         for (var i = 0; i < custom.length; i++) {
 549             if (isFinite(custom[i].frame)){
 550                 var num = +(custom[i].frame);
 551                 if (num > last_frame) last_frame = num;
 552                 SWS.Utils.push2(callbacks.at_frame, num, custom[i].fn);
 553             } else if (custom[i].frame == "slide")
 554                 callbacks.at_slide.push(custom[i].fn);
 555             else {
 556                 var frame_set = SWS.Utils.parseFrameSpec(custom[i].frame);
 557                 for(var f in frame_set){
 558                     if (f > last_frame) last_frame = f;
 559                     SWS.Utils.push2(callbacks.at_frame, +(f), custom[i].fn);
 560                 };
 561             }
 562         };
 563
 564         var specials = null;
 565
 566         slide.find('*[class*="sws-onframe-"]').each(function(_){
 567             var cls = $(this).attr('class');
 568             var idx = cls.indexOf("sws-onframe-");
 569             if (idx >= 0) {
 570                 var end = cls.indexOf(" ", idx);
 571                 end = (end == -1) ? cls.length : end;
 572                 var spec = cls.substring(idx+12, end);
 573                 var o = SWS.Utils.parseFrameSpec(spec);
 574                 for(var f in o)
 575                     if (f > last_frame) last_frame = f;
 576                 $(this).find("*").andSelf().each(function(_){
 577                     if (!SWS.Utils.isEmpty(o))
 578                         $(this).data("sws-frame-set", o);
 579                     if (specials)
 580                         specials.add($(this));
 581                     else
 582                         specials = $(this);
 583                 });
 584             };
 585         });
 586
 587         slide.find("*").andSelf().not(specials).each(function(i) {
 588             if ($(this).hasClass("sws-pause"))  cur_frame++;
 589             var o = {};
 590             for (var j = cur_frame; j <= last_frame; j++)
 591                 o[ j ] = true;
 592             if (!SWS.Utils.isEmpty(o))
 593                 $(this).data("sws-frame-set", o);
 594         });
 595
 596         canvas.data("sws-frame-info", { current: 0,
 597                                         last: (last_frame - 0), // force cast to integer
 598                                         callbacks: callbacks
 599                                       });
 600
 601     };
 602
 603     /* Forces redrawing the page without reloading */
 604     self.redraw = function (f) {
 605         if (SWS.Utils.isUndefined(f))
 606             $("body").hide().show(400, function () {
 607                 $("body").css("display","block");
 608                 if (!SWS.Utils.isUndefined(f))
 609                     f();
 610             });
 611     };
 612     self.changeAspect = function() {
 613         $("html").removeClass("sws-aspect-4-3")
 614             .removeClass("sws-aspect-16-9")
 615             .removeClass("sws-aspect-16-10")
 616             .addClass($("#sws-aspect-select").val());
 617         self.redraw();
 618     };
 619
 620     self.getCurrentTheme = function () {
 621         var l = $("link.sws-theme[rel='stylesheet']")[0];
 622         console.log(l);
 623         if (l) {
 624             return  l.title;
 625         } else
 626             return ""
 627     };
 628
 629     self.changeTheme = function (name) {
 630         var theme_name;
 631         if (typeof name === 'undefined')
 632             theme_name = $("#sws-theme-select").val()
 633         else
 634             theme_name = name;
 635 //        if (self.getCurrentTheme() == theme_name) {
 636   //          return;
 637     //    };
 638         _current_theme = theme_name;
 639         $("link.sws-theme").each (function (i) {
 640             var e = this;
 641             var title =  e.title;
 642             if (title == theme_name) {
 643                 e.rel = "stylesheet";
 644                 e.disabled = false;
 645                 e.media="all";
 646             } else {
 647                 e.rel = "alternate stylesheet";
 648                 e.disabled = true;
 649                 e.media="all";
 650             };
 651         });
 652         self.redraw();
 653
 654     };
 655
 656     self.openPrint = function () {
 657         window.open ("?mode=print&theme=" + self.getCurrentTheme());
 658     }
 659     var _fullscreen_icon_on = "&#xe746;";
 660     var _fullscreen_icon_off = "&#xe744;";
 661
 662     self.toggleFullScreen = function () {
 663         if (SWS.Fullscreen.status()) {
 664             SWS.Fullscreen.exit();
 665             $("a#sws-control-panel-fullscreen")
 666                 .html(_fullscreen_icon_off);
 667
 668
 669
 670         } else {
 671             SWS.Fullscreen.enter($("body")[0]);
 672             $("a#sws-control-panel-fullscreen")
 673                 .html(_fullscreen_icon_on);
 674         };
 675     };
 676     function _update_ui() {
 677         var nav = $('#sws-control-panel-navigation-bar');
 678         nav.val(SWS.Presentation.getCurrentSlide() + 1);
 679         $('#sws-control-panel-slide-input').val(nav.val());
 680     }
 681     self.navigate = function () {
 682         self.goToSlide($("#sws-control-panel-navigation-bar").val()-1);
 683         _update_ui();
 684     };
 685
 686
 687     self.init = function () {
 688
 689
 690         $("html").addClass("sws-display");
 691         $(window).resize(self.redraw);
 692
 693
 694         $(window).bind('storage', function (e) {
 695             console.log(e);
 696         });
 697
 698         _total_slides = $(".sws-slide").length;
 699
 700         $(document).keydown(self.inputHandler);
 701
 702
 703         var cur = self.getCurrentSlide();
 704         $(".sws-slide").each (function (i) {
 705             var par = $(this).parent();
 706
 707             $(this).remove();
 708             var canvas = $('<div class="sws-canvas"/>');
 709
 710             if (!($(this).hasClass("sws-option-noheader"))) {
 711                 canvas.append($('<div class="sws-header"/><br/>'));
 712             };
 713
 714             var inner = $('<div class="sws-inner-canvas"/>');
 715             var content = $('<div class="sws-content"/>');
 716             $(this).find('script[type="text/javascript"]').remove();
 717             content.append($(this));
 718             inner.append(content);
 719             inner.append($('<span class="sws-vertical-align"> </span><br/>'));
 720             canvas.append(inner);
 721
 722             if (!($(this).hasClass("sws-option-nofooter"))) {
 723                 canvas.append($('<div class="sws-footer"/>'));
 724             };
 725
 726             par.append(canvas);
 727
 728             if (i == cur) {
 729                 canvas
 730                     .addClass("sws-active-slide")
 731                     .removeClass("sws-inactive-slide");
 732             } else {
 733                 canvas
 734                     .addClass("sws-inactive-slide")
 735                     .removeClass("sws-active-slide");
 736             };
 737             init_canvas(canvas,_slide_callbacks[i]);
 738
 739         });
 740
 741
 742
 743         // Initialize the control panel
 744         $("body").append($(SWS.Templates.controlPanel));
 745         // Fill the theme switcher
 746         $("link.sws-theme").each (function (i) {
 747             var e = $(this);
 748             var opt = "<option value='";
 749             opt += e.attr("title");
 750             opt += "' ";
 751             if (e.attr("rel") == "stylesheet") {
 752                 opt+= "selected='selected'";
 753             };
 754             opt += ">" + e.attr("title") + "</option>";
 755             $("#sws-theme-select").append($(opt));
 756         });
 757         // Set the fullscreen icon
 758         if (SWS.Fullscreen.status()) {
 759             $("a#sws-control-panel-fullscreen")
 760                 .html(_fullscreen_icon_on);
 761         } else {
 762             $("a#sws-control-panel-fullscreen")
 763                 .html(_fullscreen_icon_off);
 764         };
 765         // Put the navigation range at the correct position
 766         var nav = $('#sws-control-panel-navigation-bar');
 767         nav.attr("min", SWS.Presentation.firstSlide() + 1);
 768         nav.attr("max", SWS.Presentation.lastSlide() + 1);
 769         $('#sws-control-panel-total-slides').text('/' + SWS.Presentation.getNumSlides());
 770         _update_ui();
 771
 772         _slide_callbacks = null; /* avoid a leak */
 773
 774         var passed_theme = SWS.Utils.getParameterByName("theme");
 775         if (passed_theme == "")
 776             self.changeTheme();
 777         else
 778             self.changeTheme(passed_theme);
 779
 780         if (SWS.Utils.getParameterByName("mode") == "print") {
 781            self.printMode();
 782         }
 783         else
 784             self.refresh();
 785         _initialized = true;
 786
 787     };
 788
 789 };