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(function () { |
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'use strict'; |
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|
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var _typoKeys = { |
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family:'font-family', weight:'font-weight', style:'font-style', |
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decoration:'text-decoration', transform:'text-transform', |
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sizeDesktop:'font-size-d', sizeTablet:'font-size-t', sizeMobile:'font-size-m', |
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lineHeightDesktop:'line-height-d', lineHeightTablet:'line-height-t', lineHeightMobile:'line-height-m', |
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letterSpacingDesktop:'letter-spacing-d', letterSpacingTablet:'letter-spacing-t', letterSpacingMobile:'letter-spacing-m', |
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wordSpacingDesktop:'word-spacing-d', wordSpacingTablet:'word-spacing-t', wordSpacingMobile:'word-spacing-m' |
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}; |
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function typoCssVarsForEl(el, obj, prefix) { |
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if (!obj || typeof obj !== 'object') return; |
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Object.keys(_typoKeys).forEach(function (k) { |
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var v = obj[k]; |
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if (v === undefined || v === '' || v === null) return; |
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if (k === 'sizeDesktop' || k === 'sizeTablet' || k === 'sizeMobile') v = v + (obj.sizeUnit || 'px'); |
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else if (k === 'lineHeightDesktop' || k === 'lineHeightTablet' || k === 'lineHeightMobile') v = v + (obj.lineHeightUnit || ''); |
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else if (k === 'letterSpacingDesktop' || k === 'letterSpacingTablet' || k === 'letterSpacingMobile') v = v + (obj.letterSpacingUnit || 'px'); |
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else if (k === 'wordSpacingDesktop' || k === 'wordSpacingTablet' || k === 'wordSpacingMobile') v = v + (obj.wordSpacingUnit || 'px'); |
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el.style.setProperty(prefix + _typoKeys[k], String(v)); |
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}); |
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} |
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|
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function shuffle(arr) { |
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var a = arr.slice(); |
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for (var i = a.length - 1; i > 0; i--) { |
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var j = Math.floor(Math.random() * (i + 1)); |
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var t = a[i]; a[i] = a[j]; a[j] = t; |
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} |
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return a; |
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} |
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|
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function init() { |
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document.querySelectorAll('.bkbg-kc-app').forEach(function (appEl) { |
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if (appEl.dataset.rendered) return; |
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appEl.dataset.rendered = '1'; |
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|
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var opts; |
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try { opts = JSON.parse(appEl.dataset.opts || '{}'); } catch (e) { opts = {}; } |
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var o = Object.assign({ |
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question: '', |
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options: [], |
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explanation: '', |
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showExplanation: true, |
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revealLabel: 'Reveal Answer', |
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correctLabel: '✓ Correct!', |
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incorrectLabel: '✗ Incorrect', |
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allowRetry: true, |
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retryLabel: 'Try Again', |
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shuffleOptions: false, |
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showIcon: true, |
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icon: '💡', |
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difficulty: '', |
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topic: '', |
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style: 'card', |
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borderRadius: 12, |
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bgColor: '#f8fafc', |
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borderColor: '#e2e8f0', |
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questionColor: '#0f172a', |
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optionBg: '#ffffff', |
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optionColor: '#334155', |
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optionBorderColor: '#cbd5e1', |
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correctBg: '#dcfce7', |
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correctColor: '#15803d', |
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incorrectBg: '#fee2e2', |
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incorrectColor: '#b91c1c', |
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accentColor: '#6366f1', |
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explanationBg: '#eff6ff', |
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explanationColor: '#1e40af', |
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revealBg: '#6366f1', |
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revealColor: '#ffffff' |
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}, opts); |
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|
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var options = o.shuffleOptions ? shuffle(o.options) : o.options.slice(); |
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var revealed = false; |
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var selected = null; |
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|
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// ── build block ────────────────────────────────────────────────────── |
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var block = document.createElement('div'); |
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block.className = 'bkbg-kc-block bkbg-kc-style-' + o.style; |
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block.style.background = o.bgColor; |
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block.style.borderColor = o.borderColor; |
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block.style.borderRadius = o.borderRadius + 'px'; |
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typoCssVarsForEl(block, o.questionTypo, '--bkbg-kc-q-'); |
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typoCssVarsForEl(block, o.optionTypo, '--bkbg-kc-o-'); |
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typoCssVarsForEl(block, o.resultTypo, '--bkbg-kc-r-'); |
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|
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// Header |
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var header = document.createElement('div'); |
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header.className = 'bkbg-kc-header'; |
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if (o.showIcon && o.icon) { |
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var iconEl = document.createElement('span'); |
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iconEl.className = 'bkbg-kc-icon'; |
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iconEl.textContent = o.icon; |
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header.appendChild(iconEl); |
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} |
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if (o.topic || o.difficulty) { |
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var meta = document.createElement('div'); |
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meta.className = 'bkbg-kc-meta'; |
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if (o.topic) { |
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var topicEl = document.createElement('span'); |
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topicEl.className = 'bkbg-kc-topic'; |
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topicEl.textContent = o.topic; |
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topicEl.style.color = o.accentColor; |
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topicEl.style.borderColor = o.accentColor; |
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meta.appendChild(topicEl); |
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} |
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if (o.difficulty) { |
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var diffEl = document.createElement('span'); |
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diffEl.className = 'bkbg-kc-difficulty'; |
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diffEl.textContent = o.difficulty; |
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meta.appendChild(diffEl); |
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} |
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header.appendChild(meta); |
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} |
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block.appendChild(header); |
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|
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// Question |
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var qEl = document.createElement('p'); |
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qEl.className = 'bkbg-kc-question'; |
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qEl.textContent = o.question; |
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qEl.style.color = o.questionColor; |
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block.appendChild(qEl); |
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|
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// Options |
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var optionsWrap = document.createElement('div'); |
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optionsWrap.className = 'bkbg-kc-options'; |
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|
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var optEls = options.map(function (opt, i) { |
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var label = document.createElement('div'); |
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label.className = 'bkbg-kc-option'; |
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label.style.background = o.optionBg; |
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label.style.color = o.optionColor; |
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label.style.borderColor = o.optionBorderColor; |
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label.style.borderRadius = Math.max(0, o.borderRadius - 4) + 'px'; |
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label.setAttribute('role', 'button'); |
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label.setAttribute('tabindex', '0'); |
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|
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var letter = document.createElement('span'); |
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letter.className = 'bkbg-kc-opt-letter'; |
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letter.textContent = String.fromCharCode(65 + i); |
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letter.style.background = o.accentColor; |
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letter.style.color = '#fff'; |
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|
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var txt = document.createElement('span'); |
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txt.className = 'bkbg-kc-opt-text'; |
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txt.textContent = opt.text; |
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|
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label.appendChild(letter); |
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label.appendChild(txt); |
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optionsWrap.appendChild(label); |
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|
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function pick() { |
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if (revealed) return; |
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selected = i; |
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optEls.forEach(function (el, j) { |
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el.classList.toggle('is-selected', j === i); |
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el.style.background = j === i ? o.optionBg : o.optionBg; |
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el.style.borderColor = j === i ? o.accentColor : o.optionBorderColor; |
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}); |
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} |
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|
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label.addEventListener('click', pick); |
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label.addEventListener('keydown', function (e) { |
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if (e.key === 'Enter' || e.key === ' ') { e.preventDefault(); pick(); } |
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}); |
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|
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return label; |
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}); |
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|
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block.appendChild(optionsWrap); |
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|
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// Result badge |
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var resultEl = document.createElement('div'); |
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resultEl.className = 'bkbg-kc-result'; |
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block.appendChild(resultEl); |
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|
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// Explanation |
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var explEl = document.createElement('div'); |
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explEl.className = 'bkbg-kc-explanation'; |
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explEl.style.background = o.explanationBg; |
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explEl.style.color = o.explanationColor; |
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explEl.style.borderRadius = Math.max(0, o.borderRadius - 4) + 'px'; |
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if (o.showExplanation && o.explanation) { |
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var explStrong = document.createElement('strong'); |
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explStrong.textContent = 'Explanation: '; |
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explEl.appendChild(explStrong); |
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explEl.appendChild(document.createTextNode(o.explanation)); |
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} |
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block.appendChild(explEl); |
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|
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// Actions |
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var actionsEl = document.createElement('div'); |
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actionsEl.className = 'bkbg-kc-actions'; |
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|
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var revealBtn = document.createElement('button'); |
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revealBtn.className = 'bkbg-kc-reveal-btn'; |
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revealBtn.textContent = o.revealLabel; |
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revealBtn.style.background = o.revealBg; |
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revealBtn.style.color = o.revealColor; |
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revealBtn.style.borderRadius = Math.max(0, o.borderRadius - 2) + 'px'; |
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|
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var retryBtn = document.createElement('button'); |
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retryBtn.className = 'bkbg-kc-retry-btn'; |
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retryBtn.textContent = o.retryLabel; |
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retryBtn.style.borderRadius = Math.max(0, o.borderRadius - 2) + 'px'; |
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|
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actionsEl.appendChild(revealBtn); |
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if (o.allowRetry) actionsEl.appendChild(retryBtn); |
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block.appendChild(actionsEl); |
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|
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function reveal() { |
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revealed = true; |
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revealBtn.style.display = 'none'; |
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|
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optEls.forEach(function (el, i) { |
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var opt = options[i]; |
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if (opt.correct) { |
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el.style.background = o.correctBg; |
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el.style.color = o.correctColor; |
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el.style.borderColor = o.correctColor; |
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el.classList.add('is-correct'); |
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el.querySelector('.bkbg-kc-opt-letter').style.background = o.correctColor; |
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} else if (i === selected) { |
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el.style.background = o.incorrectBg; |
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el.style.color = o.incorrectColor; |
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el.style.borderColor = o.incorrectColor; |
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el.classList.add('is-incorrect'); |
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el.querySelector('.bkbg-kc-opt-letter').style.background = o.incorrectColor; |
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} |
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}); |
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|
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var isCorrect = selected !== null && options[selected] && options[selected].correct; |
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resultEl.textContent = isCorrect ? o.correctLabel : o.incorrectLabel; |
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resultEl.style.color = isCorrect ? o.correctColor : o.incorrectColor; |
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resultEl.classList.add('is-visible'); |
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|
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if (o.showExplanation && o.explanation) { |
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explEl.classList.add('is-visible'); |
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} |
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|
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if (o.allowRetry) { |
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retryBtn.classList.add('is-visible'); |
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} |
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} |
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|
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function retry() { |
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revealed = false; |
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selected = null; |
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revealBtn.style.display = ''; |
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retryBtn.classList.remove('is-visible'); |
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resultEl.classList.remove('is-visible'); |
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explEl.classList.remove('is-visible'); |
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optEls.forEach(function (el, i) { |
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el.className = 'bkbg-kc-option'; |
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el.style.background = o.optionBg; |
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el.style.color = o.optionColor; |
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el.style.borderColor = o.optionBorderColor; |
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el.querySelector('.bkbg-kc-opt-letter').style.background = o.accentColor; |
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}); |
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} |
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|
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revealBtn.addEventListener('click', reveal); |
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retryBtn.addEventListener('click', retry); |
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|
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appEl.parentNode.insertBefore(block, appEl); |
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appEl.style.display = 'none'; |
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}); |
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} |
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|
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if (document.readyState !== 'loading') { init(); } |
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else { document.addEventListener('DOMContentLoaded', init); } |
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})(); |
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|
