9 SWS.Utils = new function () {
12 self.isUndefined = function (o) { return typeof o == "undefined"; };
13 self.push2 = function (t, i, v) {
14 if ((typeof t[i]) == 'undefined') {
21 self.isEmpty = function (o) {
22 for(var _ in o) return false;
26 self.parseFrameSpec = function (s) {
27 var elems = s.split("_");
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++)
53 SWS.Templates = new function () {
55 self.controlPanel = "<div id='sws-control-panel'>\
56 <a onclick='SWS.Presentation.goToSlide(SWS.Presentation.firstSlide());'>◀◀◀</a>\
57 <a onclick='SWS.Presentation.previousSlide();SWS.Presentation.refresh();'>◀◀ </a>\
58 <a onclick='SWS.Presentation.previous();SWS.Presentation.refresh();'>◀</a>\
59 <a onclick='SWS.Presentation.next();SWS.Presentation.refresh();'>▶</a>\
60 <a onclick='SWS.Presentation.nextSlide();SWS.Presentation.refresh();'>▶▶</a>\
61 <a rel='Last slide' onclick='SWS.Presentation.goToSlide(SWS.Presentation.lastSlide());'>▶▶▶</a>\
63 self.slideActivate = function (o) {
64 if (!(o.hasClass("sws-active-slide"))){
65 o.removeClass("sws-inactive-slide").addClass("sws-active-slide");
69 self.slideDeactivate = function (o) {
70 if (!(o.hasClass("sws-inactive-slide"))){
71 o.removeClass("sws-active-slide").addClass("sws-inactive-slide");
75 self.slideChange = function (from, to) {
76 var canvas = $(".sws-canvas");
77 self.slideDeactivate($(canvas[from]));
78 self.slideActivate($(canvas[to]));
81 self.objectActivate = function (o) {
82 if (!(o.hasClass("sws-active-object"))){
83 o.removeClass("sws-inactive-object").addClass("sws-active-object");
84 o.css({'visibility':'visible'});
90 self.objectDeactivate = function (o) {
91 if (!(o.hasClass("sws-inactive-object"))){
92 o.addClass("sws-inactive-object").removeClass("sws-active-object");
98 self.updateFooter = function (o) {
99 var footer = o.find(".sws-footer");
100 if (footer.length && (footer.children("*").length == 0)) {
101 var i = SWS.Presentation.getCurrentSlide();
102 var cur = $( "<span class='sws-current-slide-number'>"
105 var sep = $( "<span class='sws-slide-num-sep' />");
106 var tot = $( "<span class='sws-current-slide-number'>"
107 + (SWS.Presentation.getNumSlides())
109 footer.append(cur).append(sep).append(tot);
112 self.updateHeader = function (o) {};
114 SWS.ConfigBuilder = function () {
116 self['sws-object-activate'] = SWS.Templates.objectActivate;
117 self['sws-object-deactivate'] = SWS.Templates.objectDeactivate;
118 self['sws-slide-change'] = SWS.Templates.slideChange;
119 self['sws-update-footer'] = SWS.Templates.updateFooter;
120 self['sws-update-header'] = SWS.Templates.updateHeader;
123 SWS.Defaults = new SWS.ConfigBuilder ();
125 SWS.Config = new SWS.ConfigBuilder ();
128 SWS.Effects = new function () {
131 self.objectDeactivateFadeOut = function (o) {
132 o.animate({'opacity': '0'}, 200,
133 function () { SWS.Templates.objectDeactivate(o)});
136 self.objectActivateFadeIn = function (o) {
138 if (SWS.Templates.objectActivate(o)){
139 o.animate({'opacity': '1' }, 200);
144 self.slideChangeHorizontalFlip = function (from, to){
145 var f = SWS.Presentation.getSlide(from);
146 var t = SWS.Presentation.getSlide(to);
147 f.animate({ 'left': '50%', 'width': '0pt', 'opacity':'0' }, 150,
149 SWS.Templates.slideDeactivate(f);
150 f.css({'left':'0%', 'width': '100%'});
151 t.css({ 'left': '50%', 'width': '0pt','opacity':'0' });
152 SWS.Templates.slideActivate(t);
153 t.animate({'left':'0%', 'width': '100%','opacity':'1'});
156 self.slideChangeFadeOutIn = function (from, to) {
157 var f = SWS.Presentation.getSlide(from);
158 var t = SWS.Presentation.getSlide(to);
159 f.animate({ 'opacity': '0'}, 150,
160 function () { SWS.Templates.slideDeactivate(f);
161 SWS.Templates.slideActivate(t);
162 t.css('opacity', '0');
163 t.animate({ 'opacity': '1'}, 150);
166 self.slideChangeHorizontalSlide = function (from, to) {
167 var f = SWS.Presentation.getSlide(from);
168 var t = SWS.Presentation.getSlide(to);
170 t.css('left', '100%');
171 SWS.Templates.slideActivate(t);
172 f.animate({ 'left': '-100%' }, 250, function () { SWS.Templates.slideDeactivate(f); });
173 t.animate({ 'left': '0%' }, 250);
175 t.css('left', '-100%');
176 SWS.Templates.slideActivate(t);
177 f.animate({ 'left': '100%' }, 250, function () { SWS.Templates.slideDeactivate(f); });
178 t.animate({ 'left': '0%' }, 250);
183 self.slideChangeVerticalSlide = function (from, to) {
184 var f = SWS.Presentation.getSlide(from);
185 var t = SWS.Presentation.getSlide(to);
187 t.css('top', '100%');
188 SWS.Templates.slideActivate(t);
189 f.animate({ 'top': '-100%' }, 250, function () { SWS.Templates.slideDeactivate(f); });
190 t.animate({ 'top': '0%' }, 250);
192 t.css('top', '-100%');
193 SWS.Templates.slideActivate(t);
194 f.animate({ 'top': '100%' }, 250, function () { SWS.Templates.slideDeactivate(f); });
195 t.animate({ 'top': '0%' }, 250);
201 SWS.Presentation = new function () {
206 //TODO move outside of the Presentation object
210 var _initialized = false;
211 var _disable_input_events = false;
213 var _slide_callbacks = new Array ();
216 self.getNumSlides = function () { return _total_slides; };
218 self.getSlide = function(i) {
219 return $($(".sws-canvas")[i]);
222 self.registerCallback = function (i, f) {
223 if (_initialized) return;
224 //jQuery does not seem to work well
227 var slide_num = $(".sws-slide").length - 1;
229 SWS.Utils.push2(_slide_callbacks, slide_num,{ 'fn': f, 'frame': i });
233 if (typeof(Storage)!=="undefined"){
234 self.getCurrentSlide = function () {
235 //unary + casts to integer
236 var i = +(sessionStorage.getItem("current_slide"));
237 if (!(i >= 0 && i < self.getNumSlides())){
244 self.setCurrentSlide = function (i) {
245 sessionStorage.setItem("current_slide", i);
249 var _current_slide = 0;
250 self.getCurrentSlide = function () { return _current_slide; };
251 self.setCurrentSlide = function (i) { _current_slide = i; };
254 self.firstSlide = function () { return 0; };
255 self.lastSlide = function () { return self.getNumSlides() - 1; };
256 self.refresh = function () {
257 /* block upcoming input event until all animations are finished */
258 _disable_input_events = true;
260 var canvas = $(".sws-canvas");
261 var from_slide_num = canvas.index($(".sws-active-slide"));
262 var to_slide_num = self.getCurrentSlide();
263 var watch_slide_anim = false;
264 var to_slide = $(canvas[to_slide_num]);
265 var slide_change = (from_slide_num != to_slide_num);
267 var info = to_slide.data("sws-frame-info");
269 //Launch a slide transition:
270 SWS.Config['sws-slide-change'](from_slide_num, to_slide_num);
271 watch_slide_anim = true;
272 SWS.Config['sws-update-header'](to_slide);
273 SWS.Config['sws-update-footer'](to_slide);
274 for (var i = 0; i < info.callbacks.at_slide.length;i++){
275 info.callbacks.at_slide[i](to_slide);
280 var cur = info.current;
281 var custom = info.custom;
282 var real_slide = to_slide.children(".sws-slide");
284 to_slide.children(".sws-slide").find("*").andSelf().each(function (i){
285 var frameset = $(this).data("sws-frame-set") || {};
287 SWS.Config['sws-object-activate']($(this));
289 SWS.Config['sws-object-deactivate']($(this));
293 if (callbacks = info.callbacks.at_frame[self.getCurrentFrame()]){
294 for (var k = 0; k < callbacks.length; k++)
295 callbacks[k]($(to_slide));
298 var to_watch = $(to_slide).find("*");
299 if (watch_slide_anim) {
300 to_watch = to_watch.add(to_slide).add($(canvas[from_slide_num]));
303 to_watch.find("*").promise().done(function() {
304 _disable_input_events = false;
308 self.nextSlide = function () {
309 self.setCurrentSlide(Math.min(self.getCurrentSlide()+1,
313 self.previousSlide = function () {
314 self.setCurrentSlide(Math.max(self.getCurrentSlide()-1,
318 self.getFrameInfo = function () {
320 var i = self.getCurrentSlide();
321 var canvas = $($(".sws-canvas")[i]);
322 var infos = canvas.data("sws-frame-info");
325 self.getCurrentFrame = function () { return self.getFrameInfo().current; };
326 self.setCurrentFrame = function (i) { self.getFrameInfo().current = i; };
327 self.firstFrame = function () { return 0; };
328 self.lastFrame = function () { return self.getFrameInfo().last; };
330 self.nextFrame = function () {
331 self.setCurrentFrame(Math.min(self.getCurrentFrame()+1,
335 self.previousFrame = function () {
336 self.setCurrentFrame(Math.max(self.getCurrentFrame()-1,
340 self.next = function () {
341 var i = self.getCurrentFrame();
342 if (i == self.lastFrame())
348 self.previous = function () {
349 var i = self.getCurrentFrame();
350 if (i == self.firstFrame()){
351 self.previousSlide();
352 self.setCurrentFrame(self.lastFrame());
355 self.previousFrame();
358 self.goToSlide = function (s, f) {
359 if (SWS.Utils.isUndefined(f))
361 if (!(s >= self.firstSlide() && s <= self.lastSlide())) return;
362 self.setCurrentSlide(s);
363 if (!(f >= self.firstFrame() && s <= self.lastFrame())) f = 0;
364 self.setCurrentFrame(f);
369 self.inputHandler = function (event) {
370 if (_disable_input_events) return;
371 switch (event.which) {
373 self.setCurrentSlide(self.firstSlide());
377 self.setCurrentSlide(self.lastSlide());
385 case 34: /* PgDown */
389 case 8: /* backspace */
395 self.previousSlide();
398 $("#sws-control-panel").toggle();
407 function init_canvas(canvas, custom) {
409 var last_frame = canvas.find(".sws-pause").length;
410 //Add all regular elements to the frame list
411 var slide = $(canvas.children(".sws-slide")[0]);
413 var callbacks = { at_slide : new Array(),
414 at_frame : new Array() }
416 if (SWS.Utils.isUndefined(custom)) {
417 custom = new Array ();
420 for (var i = 0; i < custom.length; i++) {
421 if (isFinite(custom[i].frame)){
422 var num = +(custom[i].frame);
423 if (num > last_frame) last_frame = num;
424 SWS.Utils.push2(callbacks.at_frame, num, custom[i].fn);
425 } else if (custom[i].frame == "slide")
426 callbacks.at_slide.push(custom[i].fn);
428 var frame_set = SWS.Utils.parseFrameSpec(custom[i].frame);
429 for(var f in frame_set){
430 if (f > last_frame) last_frame = f;
431 SWS.Utils.push2(callbacks.at_frame, +(f), custom[i].fn);
438 slide.find('*[class*="sws-onframe-"]').each(function(_){
439 var cls = $(this).attr('class');
440 var idx = cls.indexOf("sws-onframe-");
442 var end = cls.indexOf(" ", idx);
443 end = (end == -1) ? cls.length : end;
444 var spec = cls.substring(idx+12, end);
445 var o = SWS.Utils.parseFrameSpec(spec);
447 if (f > last_frame) last_frame = f;
448 $(this).find("*").andSelf().each(function(_){
449 if (!SWS.Utils.isEmpty(o))
450 $(this).data("sws-frame-set", o);
452 specials.add($(this));
459 slide.find("*").andSelf().not(specials).each(function(i) {
460 if ($(this).hasClass("sws-pause")) cur_frame++;
462 for (var j = cur_frame; j <= last_frame; j++)
464 if (!SWS.Utils.isEmpty(o))
465 $(this).data("sws-frame-set", o);
468 canvas.data("sws-frame-info", { current: 0,
475 self.init = function () {
476 console.log("inited");
477 $(window).bind('storage', function (e) {
481 _total_slides = $(".sws-slide").length;
483 $(document).keydown(self.inputHandler);
484 $("body").append($(SWS.Templates.controlPanel));
485 var cur = self.getCurrentSlide();
486 $(".sws-slide").each (function (i) {
487 var par = $(this).parent();
490 var canvas = $('<div class="sws-canvas"/>');
492 if (!($(this).hasClass("sws-option-noheader"))) {
493 canvas.append($('<div class="sws-header"/>'));
495 $(this).find('script[type="text/javascript"]').remove();
496 canvas.append($(this));
497 if (!($(this).hasClass("sws-option-nofooter"))) {
498 canvas.append($('<div class="sws-footer"/>'));
504 .addClass("sws-active-slide")
505 .removeClass("sws-inacitve-slide");
508 .addClass("sws-inactive-slide")
509 .removeClass("sws-active-slide");
511 init_canvas(canvas,_slide_callbacks[i]);
514 _slide_callbacks = null; /* avoid a leak */