.
[hacks/simpleWebSlides.git] / simpleWebSlides.js
index 6229a74..59c5a3f 100644 (file)
@@ -57,6 +57,19 @@ SWS.Utils = new function () {
 
 SWS.Templates = new function () {
     var self = this;
+    self.helpPanel = "<div id='sws-help-panel-canvas'>\
+<h1>Keyboard shortcuts</h1>\
+<table>\
+<tr ><td style='color:#f55;'>h</td><td style='color:#f55;'> toggle help</td></tr>\
+<tr><td>c</td><td> toggle the control panel</td></tr>\
+<tr><td>Left, PgUp,swipe left</td><td> previous step</td></tr>\
+<tr><td>Right, PgDown, Space, swipe right</td><td> next step</td></tr>\
+<tr><td>p</td><td> previous slide</td></tr>\
+<tr><td>n</td><td> next slide</td></tr>\
+<tr><td>Home</td><td> first slide</td></tr>\
+<tr><td>End</td><td> last slide</td></tr>\
+</table>\
+</div>";
     self.controlPanel = "<div id='sws-control-panel-canvas'><div id='sws-control-panel'>\
 <div id='sws-control-panel-title-bar'>\
 <a title='Toggle fullscreen' id='sws-control-panel-fullscreen' class='sws-symbol' onclick='SWS.Presentation.toggleFullScreen();'></a>\
@@ -64,7 +77,7 @@ SWS.Templates = new function () {
 </div>\
 <div id='sws-control-panel-options'>\
 <span title='Change the aspect ratio' class='sws-symbol' >&#x1f4bb;</span><select id='sws-aspect-select' onchange='SWS.Presentation.changeAspect();'>\
-<option value='sws-aspect-4-3'>4:3</option>\
+<option value='sws-aspect-4-3' selected='selected'>4:3</option>\
 <option value='sws-aspect-16-9'>16:9</option>\
 <option value='sws-aspect-16-10'>16:10</option>\
 </select>\
@@ -105,7 +118,6 @@ SWS.Templates = new function () {
     self.objectActivate = function (o) {
         if (!(o.hasClass("sws-active-object"))){
             o.removeClass("sws-inactive-object").addClass("sws-active-object");
-            o.css({'visibility':'visible'});
             return true;
         };
         return false;
@@ -151,10 +163,14 @@ SWS.Config = new SWS.ConfigBuilder ();
 
 SWS.Effects = new function () {
     var self = this;
-
+    
     self.objectDeactivateFadeOut = function (o) {
-        o.animate({'opacity': '0.1'}, 200,
-                  function () { SWS.Templates.objectDeactivate(o)});
+       if (o.is("embed")) return;
+        o.animate({'opacity': '0'}, 200,
+                  function () {
+
+                      SWS.Templates.objectDeactivate(o);
+                  });
     };
 
     self.objectActivateFadeIn = function (o) {
@@ -168,11 +184,11 @@ SWS.Effects = new function () {
     self.slideChangeHorizontalFlip = function (from, to){
         var f = SWS.Presentation.getSlide(from);
         var t = SWS.Presentation.getSlide(to);
-        f.animate({ 'left': '50%', 'width': '0pt', 'opacity':'0.2' }, 150,
+        f.animate({ 'left': '50%', 'width': '0pt', 'opacity':'0' }, 150,
                   function  () {
                       SWS.Templates.slideDeactivate(f);
                       f.css({'left':'0%', 'width': '100%'});
-                      t.css({ 'left': '50%', 'width': '0pt','opacity':'0.3' });
+                      t.css({ 'left': '50%', 'width': '0pt','opacity':'0' });
                       SWS.Templates.slideActivate(t);
                       t.animate({'left':'0%', 'width': '100%','opacity':'1'});
                   });
@@ -180,10 +196,10 @@ SWS.Effects = new function () {
     self.slideChangeFadeOutIn = function (from, to) {
         var f = SWS.Presentation.getSlide(from);
         var t = SWS.Presentation.getSlide(to);
-        f.animate({ 'opacity': '0.4'}, 150,
+        f.animate({ 'opacity': '0'}, 150,
                   function () { SWS.Templates.slideDeactivate(f);
                                 SWS.Templates.slideActivate(t);
-                                t.css('opacity', '0.5');
+                                t.css('opacity', '0');
                                 t.animate({ 'opacity': '1'}, 150);
                               });
     };
@@ -195,14 +211,14 @@ SWS.Effects = new function () {
             t.css('opacity', '1');
             SWS.Templates.slideActivate(t);
             f.animate({ 'left': '-100%' }, 250, function () { SWS.Templates.slideDeactivate(f);
-                                                              f.css('opacity', '0.6');
+                                                              f.css('opacity', '0');
                                                               t.animate({ 'left': '0%' }, 250);
                                                             });
         } else {
             t.css('left', '-100%');
             SWS.Templates.slideActivate(t);
             f.animate({ 'left': '100%' }, 250, function () { SWS.Templates.slideDeactivate(f);
-                                                             f.css('opacity', '0.7');
+                                                             f.css('opacity', '0');
                                                            });
             t.css('opacity', '1');
             t.animate({ 'left': '0%' }, 250);
@@ -291,9 +307,9 @@ SWS.Presentation = new function () {
         if (_initialized) return;
         //jQuery does not seem to work well
         //on a partial DOM
-
-        var slide_num = $(".sws-slide").length - 1;
-
+        var slides = $(".sws-slide");
+        var h1s = $("body").children("h1");
+        var slide_num = slides.add(h1s).length - 1;
         SWS.Utils.push2(_slide_callbacks, slide_num,{ 'fn': f, 'frame': i });
 
     };
@@ -313,11 +329,18 @@ SWS.Presentation = new function () {
             sessionStorage.setItem("current_slide", i);
         };
 
+       self.showHelpAtStartup = function () {
+           var r = sessionStorage.getItem("show_help");
+           if (r == "hide") return false;
+           sessionStorage.setItem("show_help", "hide");
+           return true;
+       };
+
     } else {
         var _current_slide = 0;
         self.getCurrentSlide = function () { return _current_slide; };
         self.setCurrentSlide = function (i) { _current_slide = i; };
-
+       self.showHelpAtStartup = function () { return false; };
     };
     self.firstSlide = function () { return 0; };
     self.lastSlide = function () { return self.getNumSlides() - 1; };
@@ -351,8 +374,8 @@ SWS.Presentation = new function () {
         var cur = info.current;
         var custom = info.custom;
         var real_slide = to_slide.find(".sws-slide");
-
-        real_slide.find("*").andSelf().each(function (i){
+        var dont_touch = real_slide.find("sws-protect").find("*").addBack();
+        real_slide.find("*").addBack().not(dont_touch).each(function (i){
             var frameset = $(this).data("sws-frame-set") || {};
             if (frameset[cur])
                 SWS.Config['sws-object-activate']($(this));
@@ -360,15 +383,20 @@ SWS.Presentation = new function () {
                 SWS.Config['sws-object-deactivate']($(this));
         });
 
-        var callbacks;
-        if (callbacks = info.callbacks.at_frame[self.getCurrentFrame()]){
-            for (var k = 0; k < callbacks.length; k++)
-                callbacks[k]($(to_slide));
-        };
 
         var all = $(from_slide).add(to_slide);
         all.find("*").addBack().promise().done(function() {
-            _disable_input_events = false;
+            var callbacks;
+            //execute callbacks when all elements are finished transitioning
+            if (callbacks = info.callbacks.at_frame[self.getCurrentFrame()]){
+                for (var k = 0; k < callbacks.length; k++)
+                    callbacks[k]($(to_slide));
+            };
+            all.find("*").addBack().promise().done(function() {
+                //wait for all elements to finish transitionning, in case a callback animate something
+                //and enable _input_events again.
+                _disable_input_events = false;
+            });
         });
     };
 
@@ -398,7 +426,6 @@ SWS.Presentation = new function () {
         $(".sws-canvas").each(function(i) {
             var canvas = $($(".sws-canvas")[i]);
             var infos = canvas.data("sws-frame-info");
-            console.log(infos);
             _total_steps += infos.last + 1;
         });
         return _total_steps;
@@ -459,6 +486,11 @@ SWS.Presentation = new function () {
 
     self.printMode = function () {
         _print_mode = true;
+
+       var old_fx_status = $.fx.off;
+       //disable animation while printing.
+
+       $.fx.off = true;
         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>");
         $("body").append(progress);
 
@@ -469,13 +501,14 @@ SWS.Presentation = new function () {
         var loop;
         loop = function () {
             if (steps >= 0) {
+                //Crazy workaround for chromium
+                ($("link.sws-theme[rel='stylesheet']")[0]).disabled = false;
                 $(".sws-canvas").find("*").addBack().promise().done(function() {
                     var percent = ((total_steps - steps) / total_steps) * 100;
                     $("#sws-percent-progress").text(Math.round(percent));
-                    console.log ("Step: " + steps);
                     SWS.Config['sws-slide-change'] = SWS.Templates.slideChange;
                     self.refresh();
-                    $($(".sws-canvas")[self.getCurrentSlide()]).css( { 'opacity': 1 });
+                    $($(".sws-canvas")[self.getCurrentSlide()]).css('opacity', 1 );
                     self.next();
                     steps--;
                     loop();
@@ -483,16 +516,96 @@ SWS.Presentation = new function () {
             } else {
                 $("#sws-percent-progress").text(100);
                 progress.remove();
-                window.print();
+               window.status = 'Ready';
+               $.fx.off = old_fx_status;
+
             }
         };
         loop();
 
     }
 
+    self.buildFullTOC = function () {
+
+        var build_sections = function (doc) {
+            var res = [];
+            var h1s = doc.find("body").first().children("h1");
+            var slides = doc.find("body").first().children(".sws-slide");
+            var slide_num = 1;
+            var collection = h1s.add(slides);
+            collection.each (function () {
+                if ($(this).is("h1")) {
+                    res.push({ 'title' : $(this).text(),
+                               'slide' : slide_num });
+                } else {
+                    slide_num++;
+                }
+            });
+            return res;
+        };
+
+        var toc = [];
+
+        var append = function (a,e) {
+            return a.push(e);
+        };
+        var prepend = function (a,e) {
+            return a.unshift(e);
+        };
+
+        var loop = function (doc, dir, add, ignoreFirst) {
+            if (ignoreFirst !== true) {
+                var this_toc = { 'title' : doc.find("title").first().text()
+                                .replace ("&", "&amp;")
+                                .replace("'","&apos;")
+                                .replace('"', "&quot;")
+                                .replace("<", "&lt;")
+                                .replace(">", "&gt;"),
+                                 'sections' : build_sections(doc) };
+                add(toc, this_toc);
+            };
+            var url = doc.find(dir).first().attr("href");
+            if (!SWS.Utils.isUndefined(url) && url != "") {
+                $.ajax({ 'url' : url, 'async' : false ,'success' : function (page) {
+                    loop ($(page), dir, add, false);
+                }});
+            };
+        };
+        loop ($(document), ".sws-previous", prepend, false);
+        return toc;
+
+    };
+
+
+
+    var _startTouch = null;
+
     self.inputHandler = function (event) {
-        if (_disable_input_events || _print_mode ) return;
-        switch (event.which) {
+        if (_disable_input_events || _print_mode) return;
+        var code = 0;
+        switch (event.type) {
+        case 'touchstart':
+           _startTouch = event.changedTouches[0];
+            return;
+        case 'touchend':
+           if (!_startTouch) return;
+           var _endTouch = event.changedTouches[0];
+           var Xdist = _endTouch.clientX - _startTouch.clientX;
+           var Ydist = _endTouch.clientY - _startTouch.clientY;
+           if (Xdist > 40) code = 39
+           else if (Xdist < -40) code = 37
+            else if (Ydist > 20 && !$("#sws-control-panel-canvas").is(":visible")) code = 67;
+           else if (Ydist < -20  && $("#sws-control-panel-canvas").is(":visible")) code = 67;
+           else code = 39;
+            break;
+        case 'keydown':
+            code = event.which;
+            break;
+        default:
+            return;
+        };
+
+        switch (code) {
         case 36:/* Home */
             self.setCurrentSlide(self.firstSlide());
             break;
@@ -500,10 +613,11 @@ SWS.Presentation = new function () {
         case 35:/* End */
             self.setCurrentSlide(self.lastSlide());
             break;
-
         case 32: /* space */
         case 34: /* PgDown */
         case 39: /* -> */
+       case 176: /* Multimedia skip forward */
+       case 179: /* Multimedia play/pause */
             if (self.getCurrentSlide() == self.lastSlide()
                 && self.getCurrentFrame() == self.lastFrame()) return;
             self.next();
@@ -514,21 +628,26 @@ SWS.Presentation = new function () {
         case 8: /* backspace */
         case 33: /* PgUp */
         case 37: /* <-   */
+       case 177: /* Multimedia skip backward */
             self.previous();
             break;
         case 80: /* p */
             self.previousSlide();
             break;
         case 83: /* s */
-            self.cycleStyle();
+                self.cycleStyle();
             return;
         case 67: /* c */
             $("#sws-control-panel-canvas").toggle();
+           return;
+        case 72: /* h */
+            $("#sws-help-panel-canvas").toggle();
+
         default:
             return;
         };
         self.refresh();
-    };
+};
 
 
 
@@ -561,7 +680,7 @@ SWS.Presentation = new function () {
             }
         };
 
-        var specials = null;
+        var specials = $([]);
 
         slide.find('*[class*="sws-onframe-"]').each(function(_){
             var cls = $(this).attr('class');
@@ -574,12 +693,10 @@ SWS.Presentation = new function () {
                 for(var f in o)
                     if (f > last_frame) last_frame = f;
                 $(this).find("*").andSelf().each(function(_){
-                    if (!SWS.Utils.isEmpty(o))
+                    if (!SWS.Utils.isEmpty(o)){
                         $(this).data("sws-frame-set", o);
-                    if (specials)
-                        specials.add($(this));
-                    else
-                        specials = $(this);
+                    }
+                    specials = specials.add($(this));
                 });
             };
         });
@@ -601,19 +718,42 @@ SWS.Presentation = new function () {
     };
 
     /* Forces redrawing the page without reloading */
-    self.redraw = function () {
-        $("body").hide();
-        $("body").show();
+    self.redraw = function (f) {
+        if (SWS.Utils.isUndefined(f))
+            $("body").hide().show(400, function () {
+                $("body").css("display","block");
+                if (!SWS.Utils.isUndefined(f))
+                    f();
+            });
     };
-
     self.changeAspect = function() {
+       if (_print_mode) return;
+       var newClass = $("#sws-aspect-select").val();
+       var args = newClass.split("-");
+       var targetRatio = (args[2] - 0) / (args[3] - 0);
+       var realRatio = window.innerWidth / window.innerHeight;
+       var byClass = (targetRatio > realRatio ) ? "sws-by-height" : "sws-by-width";
+       if ($("html").hasClass(newClass)
+           && $("html").hasClass(byClass))
+           return;
+
         $("html").removeClass("sws-aspect-4-3")
             .removeClass("sws-aspect-16-9")
             .removeClass("sws-aspect-16-10")
-            .addClass($("#sws-aspect-select").val());
+           .removeClass("sws-by-width")
+           .removeClass("sws-by-height")
+            .addClass(newClass).addClass(byClass);
         self.redraw();
     };
 
+    self.getCurrentTheme = function () {
+        var l = $("link.sws-theme[rel='stylesheet']")[0];
+
+        if (l) {
+            return  l.title;
+        } else
+            return ""
+    };
 
     self.changeTheme = function (name) {
         var theme_name;
@@ -621,26 +761,27 @@ SWS.Presentation = new function () {
             theme_name = $("#sws-theme-select").val()
         else
             theme_name = name;
+
         _current_theme = theme_name;
         $("link.sws-theme").each (function (i) {
-            var e = $(this);
-            var title =  e.attr("title");
+            var e = this;
+            var title =  e.title;
             if (title == theme_name) {
-                e[0].rel = "stylesheet";
-                e[0].disabled = false;
-                e[0].media="all";
-
+                e.rel = "stylesheet";
+                e.disabled = false;
+                e.media="all";
             } else {
-                e[0].rel = "alternate stylesheet";
-                e[0].disabled = true;
-                e[0].media="all";
+                e.rel = "alternate stylesheet";
+                e.disabled = true;
+                e.media="all";
             };
         });
         self.redraw();
+
     };
 
     self.openPrint = function () {
-        window.open("?mode=print&theme=" + _current_theme);
+        window.open ("?mode=print&theme=" + self.getCurrentTheme());
     }
     var _fullscreen_icon_on = "&#xe746;";
     var _fullscreen_icon_off = "&#xe744;";
@@ -674,27 +815,58 @@ SWS.Presentation = new function () {
 
 
         $("html").addClass("sws-display");
-        $(window).resize(self.redraw);
-
+        //$(window).resize(self.redraw);
 
-        $(window).bind('storage', function (e) {
-            console.log(e);
-        });
+        var slides = $(".sws-slide");
+        var h1s = $("body").children("h1");
+        var slide_num = slides.add(h1s).length - 1;
 
-        _total_slides = $(".sws-slide").length;
+        _total_slides = $(".sws-slide").add($("body").children("h1")).length;
 
-        $(document).keydown(self.inputHandler);
+        var cur = self.getCurrentSlide();
+        var toc = self.buildFullTOC();
+        var common_html = "<div class='sws-slide sws-toc'><h1>Plan</h1><ul style='list-style-type:none'>";
+        var i;
+        for (i= 0; i < toc.length - 1; i++)
+            common_html += "<li class='done'>" + (i+1) +
+            ' ' + toc[i].title + "</li>";
+
+        common_html += "<li>" + toc.length + ' ' + toc[toc.length - 1].title;
+        common_html += "<ul style='list-style-type:none' >";
+        var sections = toc[toc.length - 1].sections;
+        $("body").children("h1").each(function (i) {
+            var this_html = common_html;
+            var j;
+            var secnum = toc.length + '.';
+            for (j = 0; j < i; ++j)
+                this_html += "<li class='done'>" + secnum + (j+1) + ' ' +
+                sections[j].title + "</li>";
+            this_html += "<li class='hl'>" + secnum + (i+1) + ' ' +
+                sections[i].title + "</li>";
+            for (j = i+1; j < sections.length; j++)
+                this_html += "<li>" + secnum + (j+1) + ' '
+                +sections[j].title + "</li>";
+            this_html += "</ul></li></ul></div>";
+            $(this).after(this_html);
+        });
 
+        $(".sws-slide").each(function (i) {
 
-        var cur = self.getCurrentSlide();
-        $(".sws-slide").each (function (i) {
             var par = $(this).parent();
 
+
             $(this).remove();
             var canvas = $('<div class="sws-canvas"/>');
 
             if (!($(this).hasClass("sws-option-noheader"))) {
-                canvas.append($('<div class="sws-header"/><br/>'));
+                canvas.append($('<div class="sws-header"/>'));
+            };
+
+            if (!$(this).hasClass("sws-cover")) {
+                var title = $($(this).find("h1")[0]);
+                var title_div = $('<div class="sws-title" />');
+                title_div.append(title);
+                canvas.append(title_div);
             };
 
             var inner = $('<div class="sws-inner-canvas"/>');
@@ -702,8 +874,15 @@ SWS.Presentation = new function () {
             $(this).find('script[type="text/javascript"]').remove();
             content.append($(this));
             inner.append(content);
-            inner.append($('<span class="sws-vertical-align"> </span><br/>'));
             canvas.append(inner);
+           var that = this;
+           [ "sws-cover", "sws-toc" ].forEach(
+               function(v) {
+                   if ($(that).hasClass(v)) {
+                       inner.addClass(v);
+                       $(that).removeClass(v);
+                   }
+               });
 
             if (!($(this).hasClass("sws-option-nofooter"))) {
                 canvas.append($('<div class="sws-footer"/>'));
@@ -724,10 +903,9 @@ SWS.Presentation = new function () {
 
         });
 
-
-
         // Initialize the control panel
         $("body").append($(SWS.Templates.controlPanel));
+        $("body").append($(SWS.Templates.helpPanel));
         // Fill the theme switcher
         $("link.sws-theme").each (function (i) {
             var e = $(this);
@@ -754,24 +932,33 @@ SWS.Presentation = new function () {
         nav.attr("max", SWS.Presentation.lastSlide() + 1);
         $('#sws-control-panel-total-slides').text('/' + SWS.Presentation.getNumSlides());
         _update_ui();
-
         _slide_callbacks = null; /* avoid a leak */
-
         var passed_theme = SWS.Utils.getParameterByName("theme");
-        if (passed_theme == "")
-            self.changeTheme();
-        else
-            self.changeTheme(passed_theme);
-
-        if (SWS.Utils.getParameterByName("mode") == "print") {
-            self.printMode();
-        }
-        else 
-            self.refresh();
-
-        _initialized = true;
 
 
+        //workaround weird chrome CSS loading bug
+        var f =
+            function () {
+                if (passed_theme == "")
+                    self.changeTheme();
+                else
+                    self.changeTheme(passed_theme);
+                if (SWS.Utils.getParameterByName("mode") == "print") {
+                    self.printMode();
+                }
+                else {
+                   if (self.showHelpAtStartup()) $("#sws-help-panel-canvas").show().delay(5000).hide();
+                   self.changeAspect();
+                    self.refresh();
+               };
+                $(document).keydown(self.inputHandler);
+                document.body.addEventListener('touchstart',self.inputHandler, false);
+                document.body.addEventListener('touchend',self.inputHandler, false);
+               $(window).resize(self.changeAspect);
+                _initialized = true;
+            };
+        //setTimeout(f, 100);
+       f();
     };
 
 };