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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| const ASK_ALL_CLOZE = 'ask-all'; | ||
| const CONFIG_SPLIT_RE = /[,\s|.]+/; | ||
| const CARD_NUM_RE = /(?<=\bcard)[1-9]\d*\b/; | ||
| const CLOZE_RE = /\{\{c([1-9]\d*)::(.*?)(?:::(.*?))?\}\}/g; | ||
|
|
||
| function revealAllCallback(e) { | ||
| const target = e.currentTarget; | ||
| window.requestAnimationFrame(() => { | ||
| renderClozes(true); | ||
| target.hidden = true; | ||
| }); | ||
| } | ||
|
|
||
| export function renderClozes(revealAllClozes) { | ||
| const config = document.getElementById('cloze-config').content | ||
| .textContent.split(CONFIG_SPLIT_RE); | ||
| const revealAllButton = document.getElementById('reveal-all-button'); | ||
| const clozeSrc = document.getElementById('cloze-source').innerHTML; | ||
|
|
||
| const contextBefore = config[0] === '0' ? 0 : (+config[0] || 1); | ||
| const contextAfter = +config[1] || 0; | ||
| const showNonContext = (config[2] || 'true').toLowerCase() === 'true'; | ||
| revealAllClozes ??= (config[3] || 'false').toLowerCase() === 'true'; | ||
| const showInactiveHints = (config[4] || 'false').toLowerCase() === 'true'; | ||
|
|
||
| const curCard = +( | ||
| document.body.className.match(CARD_NUM_RE)?.[0] | ||
| ?? document.getElementById('qa_box')?.className.match(CARD_NUM_RE)?.[0] | ||
| ?? document.getElementById('anki-cloze').content | ||
| .querySelector('.cloze[data-ordinal]')?.dataset['ordinal'] | ||
| ?? 1 | ||
| ); | ||
| const isBack = !!revealAllButton; | ||
| const askAll = new RegExp( | ||
| String.raw`\{\{c${curCard}::${ASK_ALL_CLOZE}(?:::.*?)?\}\}`).test(clozeSrc); | ||
|
|
||
| let unrevealedClozesPresent = false; | ||
| document.getElementById('rendered-cloze').innerHTML = clozeSrc.replaceAll( | ||
| CLOZE_RE, (_, cardNum, cloze, hint) => { | ||
| cardNum = +cardNum; | ||
| hint ??= '...'; | ||
| // ASK_ALL_CLOZE itself is never shown. | ||
| if (cloze === ASK_ALL_CLOZE) { | ||
| return ''; | ||
| } | ||
| if (cardNum === curCard || askAll) { | ||
| const span = document.createElement('span'); | ||
| span.className = 'cloze'; | ||
| span.dataset['ordinal'] = cardNum; | ||
| if (isBack) { | ||
| span.innerHTML = cloze; | ||
| } else { | ||
| span.dataset['cloze'] = cloze; | ||
| span.innerHTML = `[${hint}]`; | ||
| } | ||
| return span.outerHTML; | ||
| } | ||
| if (curCard - contextBefore <= cardNum && cardNum <= curCard + contextAfter) { | ||
| return cloze; | ||
| } | ||
| if (showNonContext) { | ||
| if (isBack && revealAllClozes) { | ||
| return cloze; | ||
| } | ||
| unrevealedClozesPresent = true; | ||
| return `[${showInactiveHints ? hint : '...'}]`; | ||
| } | ||
| return ''; | ||
| } | ||
| ); | ||
|
|
||
| if (isBack && unrevealedClozesPresent) { | ||
| revealAllButton.addEventListener( | ||
| 'click', revealAllCallback, { once: true, passive: true }); | ||
| revealAllButton.hidden = false; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,14 @@ | ||
| <div id="cloze-is-back" hidden="">{{cloze:Text}}</div> | ||
| {{FrontSide}} | ||
| <template id="anki-cloze">{{cloze:Text}}</template> | ||
| <template id="cloze-config">{{Before|After|NonContext|RevelAll|InactiveHints}}</template> | ||
| <template id="cloze-source">{{Text}}</template> | ||
| <div id="rendered-cloze"></div> | ||
| {{Back Extra}} | ||
|
|
||
| <div> | ||
| <button id="reveal-all-button" hidden>Reveal All</button> | ||
| </div> | ||
|
|
||
| <script type="module"> | ||
| import { renderClozes } from '/_cloze-overlapper.mjs'; | ||
| window.requestAnimationFrame(_ => renderClozes()); | ||
| </script> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,88 +1,9 @@ | ||
| <div id="cloze-original" hidden="">{{Text}}</div> | ||
| <div id="cloze-anki-rendered" hidden="">{{cloze:Text}}</div> | ||
| <div id="cloze-overlapping-config" hidden="">{{Overlapping}}</div> | ||
| <div id="cloze-js-rendered"></div> | ||
|
|
||
| <script> | ||
| // This ceremony makes sure the render function is run exactly once: | ||
| (function() { | ||
| function escapeRegExp(string) { | ||
| return string.replace(/[.*+?^${}()|[\]\\]/g, "\\$&"); | ||
| } | ||
|
|
||
| var alreadyRendered = false; | ||
|
|
||
| function render() { | ||
| if (alreadyRendered) return; | ||
| alreadyRendered = true; | ||
|
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||
| var config = document.getElementById("cloze-overlapping-config").innerText.split(/[,\s|.]+/); | ||
| var leadingClozes = config[0] === "0" ? 0 : (+config[0] || 1); | ||
| var followingClozes = +config[1] || 0; | ||
| var showAllClozes = (config[2] || "true").toLowerCase() === "true"; // Set to false to omit, e.g. for long lyrics/poems | ||
| var revealAllClozes = (config[3] || "false").toLowerCase() === "true"; // On the back, reveal other clozes we didnʼt ask for? | ||
| var revealAllCustomPlaceholders = (config[4] || "false").toLowerCase() === "true"; | ||
|
|
||
| var divOriginal = document.getElementById("cloze-original"); | ||
| var divJsRendered = document.getElementById("cloze-js-rendered"); | ||
|
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||
| var currentCloze = +( | ||
| (document.body.className.match(/(^|\s)card(\d+)(\s|$)/) || [])[2] || | ||
| ((document.getElementById("qa_box") && document.getElementById("qa_box").className && document.getElementById("qa_box").className.match(/(^|\s)card(\d+)(\s|$)/)) || [])[2] || | ||
| 0 | ||
| ); | ||
|
|
||
| var allClozes = (function(){ | ||
| var allMatches = divOriginal.innerHTML.match(/\{\{c\d+::[\s\S]*?\}\}/g); | ||
| var res = {}; | ||
| for (var i = 0; i < allMatches.length; i++) { | ||
| var match = allMatches[i].match(/\{\{c(\d+)::([\s\S]*?)(::([\s\S]*?))?\}\}/); | ||
| res[+match[1]] = res[+match[1]] || {askAll: false, clozes: {}}; | ||
| if (match[2] === "ask-all") | ||
| res[+match[1]].askAll = true; | ||
| res[+match[1]].clozes[allMatches[i]] = {content: match[2], placeholder: match[4] ? match[4] : "..."}; | ||
| } | ||
| return res; | ||
| })(); | ||
|
|
||
| var isBackSide = document.getElementById("cloze-is-back") ? true : false; | ||
|
|
||
| var question = divOriginal.innerHTML; | ||
| for (var i in allClozes) { | ||
| for (var orig in allClozes[i].clozes) { | ||
| var replacement = ""; | ||
| var markBlue = false; | ||
| var needle = new RegExp(escapeRegExp(orig), "g"); | ||
| if (allClozes[i].askAll) | ||
| replacement = ""; | ||
| else if (i == currentCloze || allClozes[currentCloze].askAll) { | ||
| markBlue = true; | ||
| replacement = isBackSide ? allClozes[i].clozes[orig].content : "[" + allClozes[i].clozes[orig].placeholder + "]"; | ||
| } else if (currentCloze - leadingClozes <= i && i <= currentCloze + followingClozes) | ||
| replacement = allClozes[i].clozes[orig].content; | ||
| else if (showAllClozes && !allClozes[i].askAll) | ||
| replacement = (isBackSide && revealAllClozes) ? allClozes[i].clozes[orig].content : "[" + (revealAllCustomPlaceholders ? allClozes[i].clozes[orig].placeholder : "...") + "]"; | ||
| else { | ||
| replacement = ""; | ||
| // Also get rid of following new lines, commas, dots, etc. | ||
| needle = new RegExp(escapeRegExp(orig) + "(<br>|[\\s,.])*", "g"); | ||
| } | ||
| question = question.replace(needle, function () { | ||
| return (markBlue ? "<span class=\"cloze\">" : "") + replacement + (markBlue ? "</span>" : ""); | ||
| }); | ||
| } | ||
| } | ||
|
|
||
| divJsRendered.innerHTML = question; | ||
| } | ||
|
|
||
| function delayedRender() { | ||
| if (window.requestAnimationFrame) window.requestAnimationFrame(render); // less flickering | ||
| else window.setTimeout(render, 0); | ||
| }; | ||
|
|
||
| window.onload = delayedRender(); | ||
| if (document.readyState === "complete") delayedRender(); | ||
| else document.addEventListener("DOMContentLoaded", delayedRender); | ||
| })(); | ||
| <template id="anki-cloze">{{cloze:Text}}</template> | ||
| <template id="cloze-config">{{Before|After|NonContext|RevelAll|InactiveHints}}</template> | ||
| <template id="cloze-source">{{Text}}</template> | ||
| <div id="rendered-cloze"></div> | ||
|
|
||
| <script type="module"> | ||
| import { renderClozes } from '/_cloze-overlapper.mjs'; | ||
| window.requestAnimationFrame(_ => renderClozes()); | ||
| </script> |