add override flag to overview toggle, code cleanup
authorHakim El Hattab <hakim.elhattab@gmail.com>
Thu, 4 Oct 2012 12:56:43 +0000 (08:56 -0400)
committerHakim El Hattab <hakim.elhattab@gmail.com>
Thu, 4 Oct 2012 12:56:43 +0000 (08:56 -0400)
js/reveal.js
js/reveal.min.js

index 11b881581f63454e24e5a2ad16a73b0b972ca575..1b4d1f3b1183f46c16802409b60b6eebeb6ff76c 100644 (file)
@@ -1,5 +1,5 @@
 /*!
- * reveal.js 2.1 r26
+ * reveal.js 2.1 r27
  * http://lab.hakim.se/reveal-js
  * MIT licensed
  * 
@@ -171,7 +171,7 @@ var Reveal = (function(){
 
                                // Extension may contain callback functions
                                if( typeof s.callback === 'function' ) {
-                                       head.ready( s.src.match( /([\w\d_-]*)\.?[^\\\/]*$/i )[0], s.callback );
+                                       head.ready( s.src.match( /([\w\d_\-]*)\.?[^\\\/]*$/i )[0], s.callback );
                                }
                        }
                }
@@ -232,8 +232,9 @@ var Reveal = (function(){
                // Load the theme in the config, if it's not already loaded
                if( config.theme && dom.theme ) {
                        var themeURL = dom.theme.getAttribute( 'href' );
-                       var themeFinder = /[^/]*?(?=\.css)/;
+                       var themeFinder = /[^\/]*?(?=\.css)/;
                        var themeName = themeURL.match(themeFinder)[0];
+
                        if(  config.theme !== themeName ) {
                                themeURL = themeURL.replace(themeFinder, config.theme);
                                dom.theme.setAttribute( 'href', themeURL );
@@ -335,6 +336,17 @@ var Reveal = (function(){
                        window.scrollTo( 0, 1 );
                }, 0 );
        }
+
+       /**
+        * Dispatches an event of the specified type from the 
+        * reveal DOM element.
+        */
+       function dispatchEvent( type, properties ) {
+               var event = document.createEvent( "HTMLEvents", 1, 2 );
+               event.initEvent( type, true, true );
+               extend( event, properties );
+               dom.wrapper.dispatchEvent( event );
+       }
        
        /**
         * Handler for the document level 'keydown' event.
@@ -345,30 +357,32 @@ var Reveal = (function(){
                // Disregard the event if the target is editable or a 
                // modifier is present
                if ( document.querySelector( ':focus' ) !== null || event.shiftKey || event.altKey || event.ctrlKey || event.metaKey ) return;
-                               
-               var triggered = false;
+
+               var triggered = true;
 
                switch( event.keyCode ) {
                        // p, page up
-                       case 80: case 33: navigatePrev(); triggered = true; break; 
+                       case 80: case 33: navigatePrev(); break; 
                        // n, page down
-                       case 78: case 34: navigateNext(); triggered = true; break;
+                       case 78: case 34: navigateNext(); break;
                        // h, left
-                       case 72: case 37: navigateLeft(); triggered = true; break;
+                       case 72: case 37: navigateLeft(); break;
                        // l, right
-                       case 76: case 39: navigateRight(); triggered = true; break;
+                       case 76: case 39: navigateRight(); break;
                        // k, up
-                       case 75: case 38: navigateUp(); triggered = true; break;
+                       case 75: case 38: navigateUp(); break;
                        // j, down
-                       case 74: case 40: navigateDown(); triggered = true; break;
+                       case 74: case 40: navigateDown(); break;
                        // home
-                       case 36: navigateTo( 0 ); triggered = true; break;
+                       case 36: navigateTo( 0 ); break;
                        // end
-                       case 35: navigateTo( Number.MAX_VALUE ); triggered = true; break;
+                       case 35: navigateTo( Number.MAX_VALUE ); break;
                        // space
-                       case 32: overviewIsActive() ? deactivateOverview() : navigateNext(); triggered = true; break;
+                       case 32: overviewIsActive() ? deactivateOverview() : navigateNext(); break;
                        // return
-                       case 13: if( overviewIsActive() ) { deactivateOverview(); triggered = true; } break;
+                       case 13: overviewIsActive() ? deactivateOverview() : triggered = false; break;
+                       default:
+                               triggered = false;
                }
 
                // If the input resulted in a triggered action we should prevent 
@@ -507,6 +521,24 @@ var Reveal = (function(){
                readURL();
        }
 
+       /**
+        * Invoked when a slide is and we're in the overview.
+        */
+       function onOverviewSlideClicked( event ) {
+               // TODO There's a bug here where the event listeners are not 
+               // removed after deactivating the overview.
+               if( overviewIsActive() ) {
+                       event.preventDefault();
+
+                       deactivateOverview();
+
+                       indexh = this.getAttribute( 'data-index-h' );
+                       indexv = this.getAttribute( 'data-index-v' );
+
+                       slide();
+               }
+       }
+
        /**
         * Wrap all links in 3D goodness.
         */
@@ -625,24 +657,6 @@ var Reveal = (function(){
                return dom.wrapper.classList.contains( 'overview' );
        }
 
-       /**
-        * Invoked when a slide is and we're in the overview.
-        */
-       function onOverviewSlideClicked( event ) {
-               // TODO There's a bug here where the event listeners are not 
-               // removed after deactivating the overview.
-               if( overviewIsActive() ) {
-                       event.preventDefault();
-
-                       deactivateOverview();
-
-                       indexh = this.getAttribute( 'data-index-h' );
-                       indexv = this.getAttribute( 'data-index-v' );
-
-                       slide();
-               }
-       }
-
        /**
         * Updates one dimension of slides by showing the slide
         * with the specified index.
@@ -730,8 +744,12 @@ var Reveal = (function(){
        }
        
        /**
-        * Updates the visual slides to represent the currently
-        * set indices. 
+        * Steps from the current point in the presentation to the 
+        * slide which matches the specified horizontal and vertical 
+        * indices. 
+        *
+        * @param {int} h Horizontal index of the target slide
+        * @param {int} v Vertical index of the target slide
         */
        function slide( h, v ) {
                // Remember where we were at before
@@ -777,7 +795,7 @@ var Reveal = (function(){
                        dom.progressbar.style.width = ( indexh / ( document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ).length - 1 ) ) * window.innerWidth + 'px';
                }
 
-               // Close the overview if it's active
+               // If the overview is active, re-activate it to update positions
                if( overviewIsActive() ) {
                        activateOverview();
                }
@@ -848,8 +866,8 @@ var Reveal = (function(){
         * @return {Object} containing four booleans: left/right/up/down
         */
        function availableRoutes() {
-               var horizontalSlides = document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR );
-               var verticalSlides = document.querySelectorAll( VERTICAL_SLIDES_SELECTOR );
+               var horizontalSlides = document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ),
+                       verticalSlides = document.querySelectorAll( VERTICAL_SLIDES_SELECTOR );
 
                return {
                        left: indexh > 0,
@@ -871,7 +889,7 @@ var Reveal = (function(){
 
                // If the first bit is invalid and there is a name we can 
                // assume that this is a named link
-               if( isNaN( parseInt( bits[0] ) ) && name.length ) {
+               if( isNaN( parseInt( bits[0], 10 ) ) && name.length ) {
                        // Find the slide with the specified name
                        var slide = document.querySelector( '#' + name );
 
@@ -887,8 +905,8 @@ var Reveal = (function(){
                }
                else {
                        // Read the index components of the hash
-                       var h = parseInt( bits[0] ) || 0,
-                               v = parseInt( bits[1] ) || 0;
+                       var h = parseInt( bits[0], 10 ) || 0,
+                               v = parseInt( bits[1], 10 ) || 0;
 
                        navigateTo( h, v );
                }
@@ -911,17 +929,6 @@ var Reveal = (function(){
                }
        }
 
-       /**
-        * Dispatches an event of the specified type from the 
-        * reveal DOM element.
-        */
-       function dispatchEvent( type, properties ) {
-               var event = document.createEvent( "HTMLEvents", 1, 2 );
-               event.initEvent( type, true, true );
-               extend( event, properties );
-               dom.wrapper.dispatchEvent( event );
-       }
-
        /**
         * Navigate to the next slide fragment.
         * 
@@ -1016,18 +1023,21 @@ var Reveal = (function(){
                        slide( indexh - 1, 0 );
                }
        }
+
        function navigateRight() {
                // Prioritize revealing fragments
                if( overviewIsActive() || nextFragment() === false ) {
                        slide( indexh + 1, 0 );
                }
        }
+
        function navigateUp() {
                // Prioritize hiding fragments
                if( overviewIsActive() || previousFragment() === false ) {
                        slide( indexh, indexv - 1 );
                }
        }
+
        function navigateDown() {
                // Prioritize revealing fragments
                if( overviewIsActive() || nextFragment() === false ) {
@@ -1076,13 +1086,17 @@ var Reveal = (function(){
 
        /**
         * Toggles the slide overview mode on and off.
+        *
+        * @param {Boolean} override Optional flag which overrides the 
+        * toggle logic and forcibly sets the desired state. True means 
+        * overview is open, false means it's closed.
         */
-       function toggleOverview() {
-               if( overviewIsActive() ) {
-                       deactivateOverview();
+       function toggleOverview( override ) {
+               if( typeof override === 'boolean' ) {
+                       override ? activateOverview() : deactivateOverview();
                }
                else {
-                       activateOverview();
+                       overviewIsActive() ? deactivateOverview() : activateOverview();
                }
        }
        
index d6c6fd625d419ec6770cbf7cd43faa8a86e08c44..80e20e179e7ca4963068e7e00235cd079b868494 100644 (file)
@@ -1,20 +1,20 @@
 /*!
- * reveal.js 2.1 r26
+ * reveal.js 2.1 r27
  * http://lab.hakim.se/reveal-js
  * MIT licensed
  * 
  * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
  */
-var Reveal=(function(){var j=".reveal .slides>section",b=".reveal .slides>section.present>section",M={controls:true,progress:true,history:false,keyboard:true,overview:true,loop:false,autoSlide:0,mouseWheel:true,rollingLinks:true,theme:"default",transition:"default",dependencies:[]},k=0,c=0,v,D,ab=[],d={},O="WebkitPerspective" in document.body.style||"MozPerspective" in document.body.style||"msPerspective" in document.body.style||"OPerspective" in document.body.style||"perspective" in document.body.style,l="WebkitTransform" in document.body.style||"MozTransform" in document.body.style||"msTransform" in document.body.style||"OTransform" in document.body.style||"transform" in document.body.style,w=0,i=0,A=0,V={startX:0,startY:0,startSpan:0,startCount:0,handled:false,threshold:40};
+var Reveal=(function(){var j=".reveal .slides>section",b=".reveal .slides>section.present>section",M={controls:true,progress:true,history:false,keyboard:true,overview:true,loop:false,autoSlide:0,mouseWheel:true,rollingLinks:true,theme:"default",transition:"default",dependencies:[]},k=0,c=0,v,D,ab=[],d={},O="WebkitPerspective" in document.body.style||"MozPerspective" in document.body.style||"msPerspective" in document.body.style||"OPerspective" in document.body.style||"perspective" in document.body.style,l="WebkitTransform" in document.body.style||"MozTransform" in document.body.style||"msTransform" in document.body.style||"OTransform" in document.body.style||"transform" in document.body.style,w=0,i=0,z=0,V={startX:0,startY:0,startSpan:0,startCount:0,handled:false,threshold:40};
 function g(ac){if((!l&&!O)){document.body.setAttribute("class","no-transforms");return;}q(M,ac);d.theme=document.querySelector("#theme");d.wrapper=document.querySelector(".reveal");
 d.progress=document.querySelector(".reveal .progress");d.progressbar=document.querySelector(".reveal .progress span");if(M.controls){d.controls=document.querySelector(".reveal .controls");
 d.controlsLeft=document.querySelector(".reveal .controls .left");d.controlsRight=document.querySelector(".reveal .controls .right");d.controlsUp=document.querySelector(".reveal .controls .up");
 d.controlsDown=document.querySelector(".reveal .controls .down");}Q();if(navigator.userAgent.match(/(iphone|ipod|android)/i)){document.documentElement.style.overflow="scroll";
 document.body.style.height="120%";window.addEventListener("load",W,false);window.addEventListener("orientationchange",W,false);}}function Q(){var ad=[],ah=[];
 for(var ae=0,ac=M.dependencies.length;ae<ac;ae++){var af=M.dependencies[ae];if(!af.condition||af.condition()){if(af.async){ah.push(af.src);}else{ad.push(af.src);
-}if(typeof af.callback==="function"){head.ready(af.src.match(/([\w\d_-]*)\.?[^\\\/]*$/i)[0],af.callback);}}}function ag(){head.js.apply(null,ah);E();}if(ad.length){head.ready(ag);
+}if(typeof af.callback==="function"){head.ready(af.src.match(/([\w\d_\-]*)\.?[^\\\/]*$/i)[0],af.callback);}}}function ag(){head.js.apply(null,ah);E();}if(ad.length){head.ready(ag);
 head.js.apply(null,ad);}else{ag();}}function E(){B();H();G();J();}function H(){if(O===false){M.transition="linear";}if(M.controls&&d.controls){d.controls.style.display="block";
-}if(M.progress&&d.progress){d.progress.style.display="block";}if(M.theme&&d.theme){var ae=d.theme.getAttribute("href");var ac=/[^/]*?(?=\.css)/;var ad=ae.match(ac)[0];
+}if(M.progress&&d.progress){d.progress.style.display="block";}if(M.theme&&d.theme){var ae=d.theme.getAttribute("href");var ac=/[^\/]*?(?=\.css)/;var ad=ae.match(ac)[0];
 if(M.theme!==ad){ae=ae.replace(ac,M.theme);d.theme.setAttribute("href",ae);}}if(M.transition!=="default"){d.wrapper.classList.add(M.transition);}if(M.mouseWheel){document.addEventListener("DOMMouseScroll",m,false);
 document.addEventListener("mousewheel",m,false);}if(M.rollingLinks){I();}}function B(){document.addEventListener("touchstart",x,false);document.addEventListener("touchmove",Y,false);
 document.addEventListener("touchend",R,false);window.addEventListener("hashchange",t,false);if(M.keyboard){document.addEventListener("keydown",Z,false);
@@ -23,48 +23,48 @@ d.controlsDown.addEventListener("click",n(C),false);}}function P(){document.remo
 document.removeEventListener("touchmove",Y,false);document.removeEventListener("touchend",R,false);window.removeEventListener("hashchange",t,false);if(M.controls&&d.controls){d.controlsLeft.removeEventListener("click",n(y),false);
 d.controlsRight.removeEventListener("click",n(h),false);d.controlsUp.removeEventListener("click",n(r),false);d.controlsDown.removeEventListener("click",n(C),false);
 }}function q(ad,ac){for(var ae in ac){ad[ae]=ac[ae];}}function N(ae,ac){var af=ae.x-ac.x,ad=ae.y-ac.y;return Math.sqrt(af*af+ad*ad);}function n(ac){return function(ad){ad.preventDefault();
-ac.call();};}function W(){setTimeout(function(){window.scrollTo(0,1);},0);}function Z(ad){if(document.querySelector(":focus")!==null||ad.shiftKey||ad.altKey||ad.ctrlKey||ad.metaKey){return;
-}var ac=false;switch(ad.keyCode){case 80:case 33:T();ac=true;break;case 78:case 34:u();ac=true;break;case 72:case 37:y();ac=true;break;case 76:case 39:h();
-ac=true;break;case 75:case 38:r();ac=true;break;case 74:case 40:C();ac=true;break;case 36:K(0);ac=true;break;case 35:K(Number.MAX_VALUE);ac=true;break;
-case 32:U()?X():u();ac=true;break;case 13:if(U()){X();ac=true;}break;}if(ac){ad.preventDefault();}else{if(ad.keyCode===27&&O){S();ad.preventDefault();}}J();
-}function x(ac){V.startX=ac.touches[0].clientX;V.startY=ac.touches[0].clientY;V.startCount=ac.touches.length;if(ac.touches.length===2){V.startSpan=N({x:ac.touches[1].clientX,y:ac.touches[1].clientY},{x:V.startX,y:V.startY});
-}}function Y(ah){if(!V.handled){var af=ah.touches[0].clientX;var ae=ah.touches[0].clientY;if(ah.touches.length===2&&V.startCount===2){var ag=N({x:ah.touches[1].clientX,y:ah.touches[1].clientY},{x:V.startX,y:V.startY});
+ac.call();};}function W(){setTimeout(function(){window.scrollTo(0,1);},0);}function o(ad,ac){var ae=document.createEvent("HTMLEvents",1,2);ae.initEvent(ad,true,true);
+q(ae,ac);d.wrapper.dispatchEvent(ae);}function Z(ad){if(document.querySelector(":focus")!==null||ad.shiftKey||ad.altKey||ad.ctrlKey||ad.metaKey){return;
+}var ac=true;switch(ad.keyCode){case 80:case 33:T();break;case 78:case 34:u();break;case 72:case 37:y();break;case 76:case 39:h();break;case 75:case 38:r();
+break;case 74:case 40:C();break;case 36:K(0);break;case 35:K(Number.MAX_VALUE);break;case 32:U()?X():u();break;case 13:U()?X():ac=false;break;default:ac=false;
+}if(ac){ad.preventDefault();}else{if(ad.keyCode===27&&O){S();ad.preventDefault();}}J();}function x(ac){V.startX=ac.touches[0].clientX;V.startY=ac.touches[0].clientY;
+V.startCount=ac.touches.length;if(ac.touches.length===2){V.startSpan=N({x:ac.touches[1].clientX,y:ac.touches[1].clientY},{x:V.startX,y:V.startY});}}function Y(ah){if(!V.handled){var af=ah.touches[0].clientX;
+var ae=ah.touches[0].clientY;if(ah.touches.length===2&&V.startCount===2){var ag=N({x:ah.touches[1].clientX,y:ah.touches[1].clientY},{x:V.startX,y:V.startY});
 if(Math.abs(V.startSpan-ag)>V.threshold){V.handled=true;if(ag<V.startSpan){F();}else{X();}}}else{if(ah.touches.length===1){var ad=af-V.startX,ac=ae-V.startY;
 if(ad>V.threshold&&Math.abs(ad)>Math.abs(ac)){V.handled=true;y();}else{if(ad<-V.threshold&&Math.abs(ad)>Math.abs(ac)){V.handled=true;h();}else{if(ac>V.threshold){V.handled=true;
 r();}else{if(ac<-V.threshold){V.handled=true;C();}}}}}}ah.preventDefault();}}function R(ac){V.handled=false;}function m(ac){clearTimeout(w);w=setTimeout(function(){var ad=ac.detail||-ac.wheelDelta;
-if(ad>0){u();}else{T();}},100);}function t(ac){G();}function I(){if(O&&!("msPerspective" in document.body.style)){var ad=document.querySelectorAll(".reveal .slides section a:not(.image)");
-for(var ae=0,ac=ad.length;ae<ac;ae++){var af=ad[ae];if(af.textContent&&!af.querySelector("img")&&(!af.className||!af.classList.contains(af,"roll"))){af.classList.add("roll");
-af.innerHTML='<span data-title="'+af.text+'">'+af.innerHTML+"</span>";}}}}function F(){if(M.overview){d.wrapper.classList.add("overview");var ac=document.querySelectorAll(j);
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