From: Hakim El Hattab <hakim.elhattab@gmail.com>
Date: Thu, 22 Nov 2012 14:10:34 +0000 (-0500)
Subject: slide method now accepts fragment index argument #228
X-Git-Tag: 2.2.0~41
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=34b36753f554ff948944f9fc4d375c351d7d940b;p=reveal.js.git

slide method now accepts fragment index argument #228
---

34b36753f554ff948944f9fc4d375c351d7d940b
diff --cc grunt.js
index 1cbc09e,0000000..b1d6e3d
mode 100644,000000..100644
--- a/grunt.js
+++ b/grunt.js
@@@ -1,83 -1,0 +1,84 @@@
 +/* global module:false */
 +module.exports = function(grunt) {
 +
 +	// Project configuration
 +	grunt.initConfig({
 +		pkg: '<json:package.json>',
 +
 +		inputJS: 'js/reveal.js',
 +		inputCSS: 'css/reveal.css',
 +
 +		outputJS: 'js/reveal.min.js',
 +		outputCSS: 'css/reveal.min.css',
 +
 +		meta: {
 +			version: '2.2',
 +			banner: 
 +				'/*!\n' +
 +				' * reveal.js <%= meta.version %> (<%= grunt.template.today("yyyy-mm-dd, HH:MM") %>)\n' +
 +				' * http://lab.hakim.se/reveal-js\n' +
 +				' * MIT licensed\n' +
 +				' *\n' +
 +				' * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se\n' +
 +				' */'
 +		},
 +
 +		lint: {
 +			files: [ 'grunt.js', '<%= inputJS %>' ]
 +		},
 +
 +		// Tests will be added soon
 +		qunit: {
 +			files: [ 'test/**/*.html' ]
 +		},
 +
 +		min: {
 +			dist: {
 +				src: [ '<banner:meta.banner>', '<%= inputJS %>' ],
 +				dest: '<%= outputJS %>'
 +			}
 +		},
 +
 +		mincss: {
 +			compress: {
 +				files: {
 +					'<%= outputCSS %>': [ '<%= inputCSS %>' ]
 +				}
 +			}
 +		},
 +
 +		jshint: {
 +			options: {
 +				curly: false,
 +				eqeqeq: true,
 +				immed: true,
 +				latedef: true,
 +				newcap: true,
 +				noarg: true,
 +				sub: true,
 +				undef: true,
 +				eqnull: true,
 +				browser: true,
 +				expr: true
 +			},
 +			globals: {
 +				head: false,
- 				module: false
++				module: false,
++				console: false
 +			}
 +		},
 +
 +		watch: {
 +			files: [ 'grunt.js', '<%= inputJS %>', '<%= inputCSS %>' ],
 +			tasks: 'default'
 +		}
 +
 +	});
 +	
 +	// Dependencies
 +	grunt.loadNpmTasks( 'grunt-contrib-mincss' );
 +
 +	// Default task
 +	grunt.registerTask( 'default', [ 'lint', 'mincss', 'min' ] );
 +
 +};
diff --cc js/reveal.js
index 84e362f,58cb58e..5ee5702
--- a/js/reveal.js
+++ b/js/reveal.js
@@@ -741,8 -628,8 +741,10 @@@ var Reveal = (function()
  	 *
  	 * @param {int} h Horizontal index of the target slide
  	 * @param {int} v Vertical index of the target slide
++	 * @param {int} f Optional index of a fragment within the 
++	 * target slide to activate
  	 */
- 	function slide( h, v ) {
 -	function slide( h, v, f) {
++	function slide( h, v, f ) {
  		// Remember where we were at before
  		previousSlide = currentSlide;
  
@@@ -773,13 -645,29 +775,19 @@@
  		// Activate and transition to the new slide
  		indexh = updateSlides( HORIZONTAL_SLIDES_SELECTOR, h === undefined ? indexh : h );
  		indexv = updateSlides( VERTICAL_SLIDES_SELECTOR, v === undefined ? indexv : v );
 -		
 -		// Show fragment, if specified
 -		if ( typeof f !== undefined ) {
 -			// Hide all fragments in current slide
 -			while ( previousFragment() ) {
 -				// loop
 -			}
 -			if ( f !== 0 ) {
 -				var fragmentIndex = 0;
 -				while ( indexf < f && nextFragment() ) {
 -					fragmentIndex++;
 -				}
 -				// We cannot trust nextFragment for setting indexf: it can go beyond the max number of fragments available
 -				indexf = fragmentIndex;
 -			}
 -		} else {
 -			indexf = 0;
 +
++		// No need to proceed if we're navigating to the same slide as 
++		// we're already on, unless a fragment index is specified
++		if( indexh === indexhBefore && indexv === indexvBefore && !f ) {
++			return;
+ 		}
+ 
 +		layout();
 +
  		// Apply the new state
  		stateLoop: for( var i = 0, len = state.length; i < len; i++ ) {
  			// Check if this state existed on the previous slide. If it
--			// did, we will avoid adding it repeatedly.
++			// did, we will avoid adding it repeatedly
  			for( var j = 0; j < stateBefore.length; j++ ) {
  				if( stateBefore[j] === state[i] ) {
  					stateBefore.splice( j, 1 );
@@@ -803,10 -696,12 +811,9 @@@
  			activateOverview();
  		}
  
 -		updateControls();
 -
 -		updateURL();
 -
 -		// Query all horizontal slides in the deck
 -		var horizontalSlides = document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR );
 +		// Update the URL hash after a delay since updating it mid-transition
 +		// is likely to cause visual lag
- 		clearTimeout( writeURLTimeout );
- 		writeURLTimeout = setTimeout( writeURL, 1500 );
++		writeURL( 1500 );
  
  		// Find the current horizontal slide and any possible vertical slides
  		// within it
@@@ -816,6 -711,6 +823,20 @@@
  		// Store references to the previous and current slides
  		currentSlide = currentVerticalSlides[ indexv ] || currentHorizontalSlide;
  
++		// Show fragment, if specified
++		if ( typeof f !== undefined ) {
++			var fragments = currentSlide.querySelectorAll( '.fragment' );
++
++			toArray( fragments ).forEach( function( fragment, indexf ) {
++				if( indexf < f ) {
++					fragment.classList.add( 'visible' );
++				}
++				else {
++					fragment.classList.remove( 'visible' );
++				}
++			} );
++		}
++
  		// Dispatch an event if the slide changed
  		if( indexh !== indexhBefore || indexv !== indexvBefore ) {
  			dispatchEvent( 'slidechanged', {
@@@ -1068,22 -919,18 +1089,35 @@@
  	/**
  	 * Updates the page URL (hash) to reflect the current
  	 * state.
++	 *
++	 * @param {Number} delay The time in ms to wait before 
++	 * writing the hash
  	 */
--	function writeURL() {
++	function writeURL( delay ) {
  		if( config.history ) {
--			var url = '/';
  
- 			// If the current slide has an ID, use that as a named link
- 			if( currentSlide && typeof currentSlide.getAttribute( 'id' ) === 'string' ) {
- 				url = '/' + currentSlide.getAttribute( 'id' );
 -			// Only include the minimum possible number of components in
 -			// the URL
 -			if( indexh > 0 || indexv > 0 ) url += indexh;
 -			if( indexv > 0 ) url += '/' + indexv;
 -			if( indexf > 0 ) url += '?' + indexf;
++			// Make sure there's never more than one timeout running
++			clearTimeout( writeURLTimeout );
+ 
 -			window.location.hash = url;
++			// If a delay is specified, timeout this call
++			if( typeof delay === 'number' ) {
++				writeURLTimeout = setTimeout( writeURL, delay );
 +			}
- 			// Otherwise use the /h/v index
 +			else {
- 				if( indexh > 0 || indexv > 0 ) url += indexh;
- 				if( indexv > 0 ) url += '/' + indexv;
- 			}
++				var url = '/';
 +
- 			window.location.hash = url;
++				// If the current slide has an ID, use that as a named link
++				if( currentSlide && typeof currentSlide.getAttribute( 'id' ) === 'string' ) {
++					url = '/' + currentSlide.getAttribute( 'id' );
++				}
++				// Otherwise use the /h/v index
++				else {
++					if( indexh > 0 || indexv > 0 ) url += indexh;
++					if( indexv > 0 ) url += '/' + indexv;
++				}
++
++				window.location.hash = url;
++			}
  		}
  	}
  
diff --cc js/reveal.min.js
index 100fdee,e31d807..7a15975
--- a/js/reveal.min.js
+++ b/js/reveal.min.js
@@@ -1,8 -1,83 +1,8 @@@
  /*!
-  * reveal.js 2.2 (2012-11-18, 12:09)
 - * reveal.js 2.1 r37
++ * reveal.js 2.2 (2012-11-22, 09:09)
   * http://lab.hakim.se/reveal-js
   * MIT licensed
   *
   * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
   */
- var Reveal=function(){"use strict";function g(e){if(!h&&!c){document.body.setAttribute("class","no-transforms");return}N(r,e),b(),w()}function y(){l.theme=document.querySelector("#theme"),l.wrapper=document.querySelector(".reveal"),l.slides=document.querySelector(".reveal .slides");if(!l.wrapper.querySelector(".progress")&&r.progress){var e=document.createElement("div");e.classList.add("progress"),e.innerHTML="<span></span>",l.wrapper.appendChild(e)}if(!l.wrapper.querySelector(".controls")&&r.controls){var t=document.createElement("aside");t.classList.add("controls"),t.innerHTML='<div class="navigate-left"></div><div class="navigate-right"></div><div class="navigate-up"></div><div class="navigate-down"></div>',l.wrapper.appendChild(t)}if(!l.wrapper.querySelector(".state-background")){var n=document.createElement("div");n.classList.add("state-background"),l.wrapper.appendChild(n)}if(!l.wrapper.querySelector(".pause-overlay")){var i=document.createElement("div");i.classList.add("pause-overlay"),l.wrapper.appendChild(i)}l.progress=document.querySelector(".reveal .progress"),l.progressbar=document.querySelector(".reveal .progress span"),r.controls&&(l.controls=document.querySelector(".reveal .controls"),l.controlsLeft=C(document.querySelectorAll(".navigate-left")),l.controlsRight=C(document.querySelectorAll(".navigate-right")),l.controlsUp=C(document.querySelectorAll(".navigate-up")),l.controlsDown=C(document.querySelectorAll(".navigate-down")),l.controlsPrev=C(document.querySelectorAll(".navigate-prev")),l.controlsNext=C(document.querySelectorAll(".navigate-next")))}function b(){navigator.userAgent.match(/(iphone|ipod)/i)&&(document.documentElement.style.overflow="scroll",document.body.style.height="120%",window.addEventListener("load",O,!1),window.addEventListener("orientationchange",O,!1))}function w(){function o(){t.length&&head.js.apply(null,t),E()}var e=[],t=[];for(var 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