From ad50dd513fbdb1a859ff1b3b2490bc2797f40928 Mon Sep 17 00:00:00 2001 From: Hakim El Hattab Date: Thu, 16 Sep 2021 11:15:41 +0200 Subject: [PATCH] add 'slidechange' event that can prevent navigation #3003 --- dist/reveal.esm.js | 2 +- dist/reveal.js | 2 +- js/reveal.js | 21 ++++++++++++++++++--- test/test.html | 25 +++++++++++++++++++++++++ 4 files changed, 45 insertions(+), 5 deletions(-) diff --git a/dist/reveal.esm.js b/dist/reveal.esm.js index 9567ad0f..f506ccb6 100644 --- a/dist/reveal.esm.js +++ b/dist/reveal.esm.js @@ -5,5 +5,5 @@ * * Copyright (C) 2020 Hakim El Hattab, https://hakim.se */ -const e=/registerPlugin|registerKeyboardShortcut|addKeyBinding|addEventListener/,t=/fade-(down|up|right|left|out|in-then-out|in-then-semi-out)|semi-fade-out|current-visible|shrink|grow/,i=(e,t)=>{for(let i in t)e[i]=t[i];return e},a=(e,t)=>Array.from(e.querySelectorAll(t)),s=(e,t,i)=>{i?e.classList.add(t):e.classList.remove(t)},n=e=>{if("string"==typeof e){if("null"===e)return null;if("true"===e)return!0;if("false"===e)return!1;if(e.match(/^-?[\d\.]+$/))return parseFloat(e)}return e},o=(e,t)=>{e.style.transform=t},r=(e,t)=>{let i=e.matches||e.matchesSelector||e.msMatchesSelector;return!(!i||!i.call(e,t))},l=(e,t)=>{if("function"==typeof e.closest)return e.closest(t);for(;e;){if(r(e,t))return e;e=e.parentNode}return null},d=(e,t,i,a="")=>{let s=e.querySelectorAll("."+i);for(let t=0;t{let t=document.createElement("style");return t.type="text/css",e&&e.length>0&&(t.styleSheet?t.styleSheet.cssText=e:t.appendChild(document.createTextNode(e))),document.head.appendChild(t),t},h=()=>{let e={};location.search.replace(/[A-Z0-9]+?=([\w\.%-]*)/gi,(t=>{e[t.split("=").shift()]=t.split("=").pop()}));for(let t in e){let i=e[t];e[t]=n(unescape(i))}return void 0!==e.dependencies&&delete e.dependencies,e},u=(e,t=0)=>{if(e){let i,a=e.style.height;return 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s=t.classList.contains("visible");t.classList.add("visible"),t.classList.remove("current-fragment"),a===e&&(this.Reveal.announceStatus(this.Reveal.getStatusText(t)),t.classList.add("current-fragment"),this.Reveal.slideContent.startEmbeddedContent(t)),s||(i.shown.push(t),this.Reveal.dispatchEvent({target:t,type:"visible",bubbles:!1}))}else{let e=t.classList.contains("visible");t.classList.remove("visible"),t.classList.remove("current-fragment"),e&&(this.Reveal.slideContent.stopEmbeddedContent(t),i.hidden.push(t),this.Reveal.dispatchEvent({target:t,type:"hidden",bubbles:!1}))}})),e="number"==typeof e?e:-1,e=Math.max(Math.min(e,s),-1),a.setAttribute("data-fragment",e)}return i}sync(e=this.Reveal.getCurrentSlide()){return this.sort(e.querySelectorAll(".fragment"))}goto(e,t=0){let i=this.Reveal.getCurrentSlide();if(i&&this.Reveal.getConfig().fragments){let a=this.sort(i.querySelectorAll(".fragment:not(.disabled)"));if(a.length){if("number"!=typeof e){let 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D{constructor(e){this.Reveal=e,this.onNavigateLeftClicked=this.onNavigateLeftClicked.bind(this),this.onNavigateRightClicked=this.onNavigateRightClicked.bind(this),this.onNavigateUpClicked=this.onNavigateUpClicked.bind(this),this.onNavigateDownClicked=this.onNavigateDownClicked.bind(this),this.onNavigatePrevClicked=this.onNavigatePrevClicked.bind(this),this.onNavigateNextClicked=this.onNavigateNextClicked.bind(this)}render(){const 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n=t.classList.contains("visible");t.classList.add("visible"),t.classList.remove("current-fragment"),a===e&&(this.Reveal.announceStatus(this.Reveal.getStatusText(t)),t.classList.add("current-fragment"),this.Reveal.slideContent.startEmbeddedContent(t)),n||(i.shown.push(t),this.Reveal.dispatchEvent({target:t,type:"visible",bubbles:!1}))}else{let e=t.classList.contains("visible");t.classList.remove("visible"),t.classList.remove("current-fragment"),e&&(this.Reveal.slideContent.stopEmbeddedContent(t),i.hidden.push(t),this.Reveal.dispatchEvent({target:t,type:"hidden",bubbles:!1}))}})),e="number"==typeof e?e:-1,e=Math.max(Math.min(e,n),-1),a.setAttribute("data-fragment",e)}return i}sync(e=this.Reveal.getCurrentSlide()){return this.sort(e.querySelectorAll(".fragment"))}goto(e,t=0){let i=this.Reveal.getCurrentSlide();if(i&&this.Reveal.getConfig().fragments){let a=this.sort(i.querySelectorAll(".fragment:not(.disabled)"));if(a.length){if("number"!=typeof e){let 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D{constructor(e){this.Reveal=e,this.onNavigateLeftClicked=this.onNavigateLeftClicked.bind(this),this.onNavigateRightClicked=this.onNavigateRightClicked.bind(this),this.onNavigateUpClicked=this.onNavigateUpClicked.bind(this),this.onNavigateDownClicked=this.onNavigateDownClicked.bind(this),this.onNavigatePrevClicked=this.onNavigatePrevClicked.bind(this),this.onNavigateNextClicked=this.onNavigateNextClicked.bind(this)}render(){const 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