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(function () { |
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'use strict'; |
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|
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/* ── Typography CSS-var helper ── */ |
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var _typoKeys = { |
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family:'font-family', weight:'font-weight', style:'font-style', |
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transform:'text-transform', decoration:'text-decoration', |
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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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var _typoUnits = { size:'sizeUnit', lineHeight:'lineHeightUnit', letterSpacing:'letterSpacingUnit', wordSpacing:'wordSpacingUnit' }; |
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var _typoUnitDefaults = { size:'px', lineHeight:'', letterSpacing:'px', wordSpacing:'px' }; |
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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]; if (v === undefined || v === '') return; |
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var prop = _typoKeys[k]; |
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var base = k.replace(/Desktop|Tablet|Mobile/, ''); |
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var uKey = _typoUnits[base]; |
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if (uKey && typeof v === 'number') v = v + (obj[uKey] || _typoUnitDefaults[base] || ''); |
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el.style.setProperty(prefix + prop, v); |
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}); |
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} |
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|
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/* ── Theme presets ── */ |
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var THEMES = { |
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'dark': { headerBg: '#1e1e2e', codeBg: '#13131f', codeColor: '#e0e0f0', activeBg: '#6366f1', activeColor: '#ffffff', idleBg: '#2d2d3f', idleColor: '#a0a0c0', lineNum: '#4a4a6a', copyBg: '#2d2d3f', copyColor: '#a0a0c0' }, |
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'monokai': { headerBg: '#272822', codeBg: '#1e1f1c', codeColor: '#f8f8f2', activeBg: '#a6e22e', activeColor: '#272822', idleBg: '#3e3d32', idleColor: '#75715e', lineNum: '#49483e', copyBg: '#3e3d32', copyColor: '#75715e' }, |
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'dracula': { headerBg: '#21222c', codeBg: '#282a36', codeColor: '#f8f8f2', activeBg: '#bd93f9', activeColor: '#282a36', idleBg: '#343746', idleColor: '#6272a4', lineNum: '#44475a', copyBg: '#343746', copyColor: '#6272a4' }, |
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'github-dark': { headerBg: '#161b22', codeBg: '#0d1117', codeColor: '#c9d1d9', activeBg: '#388bfd', activeColor: '#ffffff', idleBg: '#21262d', idleColor: '#8b949e', lineNum: '#30363d', copyBg: '#21262d', copyColor: '#8b949e' }, |
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'nord': { headerBg: '#2e3440', codeBg: '#242933', codeColor: '#d8dee9', activeBg: '#88c0d0', activeColor: '#2e3440', idleBg: '#3b4252', idleColor: '#4c566a', lineNum: '#434c5e', copyBg: '#3b4252', copyColor: '#4c566a' }, |
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'light': { headerBg: '#f3f4f6', codeBg: '#ffffff', codeColor: '#1f2328', activeBg: '#6366f1', activeColor: '#ffffff', idleBg: '#e5e7eb', idleColor: '#374151', lineNum: '#9ca3af', copyBg: '#e5e7eb', copyColor: '#374151' }, |
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'github-light': { headerBg: '#f6f8fa', codeBg: '#ffffff', codeColor: '#1f2328', activeBg: '#0969da', activeColor: '#ffffff', idleBg: '#eaeef2', idleColor: '#57606a', lineNum: '#8c959f', copyBg: '#eaeef2', copyColor: '#57606a' }, |
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'solarized-light': { headerBg: '#eee8d5', codeBg: '#fdf6e3', codeColor: '#073642', activeBg: '#268bd2', activeColor: '#fdf6e3', idleBg: '#e0dac8', idleColor: '#586e75', lineNum: '#93a1a1', copyBg: '#e0dac8', copyColor: '#586e75' } |
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}; |
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|
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function esc(str) { |
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return String(str).replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>').replace(/"/g,'"'); |
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} |
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|
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function applyCSS(el, styles) { |
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Object.keys(styles).forEach(function (k) { el.style[k] = styles[k]; }); |
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} |
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|
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function init() { |
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document.querySelectorAll('.bkbg-ctabs-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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|
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var o = Object.assign({ |
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tabs: [], |
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theme: 'dark', |
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tabStyle: 'pills', |
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tabAlign: 'left', |
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showLineNumbers: true, |
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showCopyButton: true, |
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showFileName: true, |
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showLangBadge: true, |
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fontSize: 13, |
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lineHeight: 1.65, |
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maxHeight: 0, |
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borderRadius: 10, |
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paddingTop: 0, |
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paddingBottom: 0, |
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bgColor: '', |
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headerBg: '', |
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codeBg: '', |
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tabActiveBg: '', |
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tabActiveColor: '', |
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tabIdleBg: '', |
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tabIdleColor: '', |
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lineNumColor: '', |
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copyBg: '', |
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copyColor: '' |
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}, opts); |
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|
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var themeColors = THEMES[o.theme] || THEMES['dark']; |
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|
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/* Resolve final colors (user override → theme default) */ |
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function col(userVal, themeKey) { |
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return (userVal && userVal !== '') ? userVal : themeColors[themeKey]; |
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} |
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|
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var hBg = col(o.headerBg, 'headerBg'); |
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var cBg = col(o.codeBg, 'codeBg'); |
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var cColor = themeColors.codeColor; |
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var aTabBg = col(o.tabActiveBg, 'activeBg'); |
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var aTabC = col(o.tabActiveColor, 'activeColor'); |
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var iTabBg = col(o.tabIdleBg, 'idleBg'); |
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var iTabC = col(o.tabIdleColor, 'idleColor'); |
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var lnC = col(o.lineNumColor, 'lineNum'); |
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var cpBg = col(o.copyBg, 'copyBg'); |
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var cpC = col(o.copyColor, 'copyColor'); |
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|
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var tabs = o.tabs.length ? o.tabs : |
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[{ label: 'example.js', lang: 'javascript', fileName: 'example.js', code: 'console.log("Hello, world!");' }]; |
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|
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var activeIdx = 0; |
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|
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/* ── Outer wrap ── */ |
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var wrap = document.createElement('div'); |
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wrap.className = 'bkbg-ctabs-wrap theme-' + o.theme; |
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wrap.dataset.tabStyle = o.tabStyle; |
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applyCSS(wrap, { |
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borderRadius: o.borderRadius + 'px', |
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overflow: 'hidden', |
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paddingTop: o.paddingTop + 'px', |
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paddingBottom: o.paddingBottom + 'px', |
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background: o.bgColor || '' |
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}); |
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|
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typoCssVarsForEl(wrap, o.typoCode, '--bkbg-ctabs-cd-'); |
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|
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/* ── Chrome header ── */ |
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var chrome = document.createElement('div'); |
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chrome.className = 'bkbg-ctabs-chrome'; |
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applyCSS(chrome, { background: hBg }); |
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|
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/* Window dots */ |
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var dotsEl = document.createElement('div'); |
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dotsEl.className = 'bkbg-ctabs-dots'; |
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[['#ff5f57'], ['#febc2e'], ['#28c840']].forEach(function (c) { |
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var d = document.createElement('div'); |
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d.className = 'bkbg-ctabs-dot'; |
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d.style.background = c[0]; |
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dotsEl.appendChild(d); |
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}); |
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chrome.appendChild(dotsEl); |
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|
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/* Tab bar */ |
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var tabBar = document.createElement('div'); |
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tabBar.className = 'bkbg-ctabs-tabbar is-' + o.tabAlign; |
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|
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/* Tab buttons */ |
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var tabBtns = []; |
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|
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function updateTabs(nextIdx) { |
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tabBtns.forEach(function (btn, i) { |
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var isActive = i === nextIdx; |
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applyCSS(btn, { |
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background: o.tabStyle === 'underline' ? 'transparent' : (isActive ? aTabBg : iTabBg), |
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color: isActive ? aTabC : iTabC, |
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fontWeight: isActive ? '600' : '400', |
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borderBottom: o.tabStyle === 'underline' ? ('2px solid ' + (isActive ? aTabBg : 'transparent')) : '' |
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}); |
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btn.setAttribute('aria-selected', isActive ? 'true' : 'false'); |
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}); |
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panels.forEach(function (panel, i) { |
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panel.classList.toggle('is-active', i === nextIdx); |
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}); |
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|
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/* Update copy button data */ |
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copyBtn.dataset.code = tabs[nextIdx].code || ''; |
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activeIdx = nextIdx; |
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} |
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|
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tabs.forEach(function (tab, idx) { |
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var btn = document.createElement('button'); |
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btn.className = 'bkbg-ctabs-tab'; |
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btn.setAttribute('role', 'tab'); |
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btn.setAttribute('aria-selected', idx === 0 ? 'true' : 'false'); |
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btn.textContent = tab.label || ('Tab ' + (idx + 1)); |
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applyCSS(btn, { |
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background: o.tabStyle === 'underline' ? 'transparent' : (idx === 0 ? aTabBg : iTabBg), |
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color: idx === 0 ? aTabC : iTabC, |
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fontWeight: idx === 0 ? '600' : '400', |
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fontSize: '12px', |
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borderBottom: o.tabStyle === 'underline' ? ('2px solid ' + (idx === 0 ? aTabBg : 'transparent')) : '' |
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}); |
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btn.addEventListener('click', function () { updateTabs(idx); }); |
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tabBar.appendChild(btn); |
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tabBtns.push(btn); |
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}); |
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|
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chrome.appendChild(tabBar); |
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|
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/* Filename */ |
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var fileEl = null; |
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if (o.showFileName) { |
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fileEl = document.createElement('span'); |
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fileEl.className = 'bkbg-ctabs-filename'; |
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fileEl.style.color = iTabC; |
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fileEl.textContent = tabs[0].fileName || ''; |
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chrome.appendChild(fileEl); |
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} |
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|
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/* Lang badge */ |
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var langEl = null; |
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if (o.showLangBadge) { |
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langEl = document.createElement('span'); |
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langEl.className = 'bkbg-ctabs-lang'; |
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langEl.style.color = iTabC; |
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langEl.textContent = (tabs[0].lang || 'text').toUpperCase(); |
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chrome.appendChild(langEl); |
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} |
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|
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wrap.appendChild(chrome); |
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|
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/* ── Code body ── */ |
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var codeBody = document.createElement('div'); |
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codeBody.className = 'bkbg-ctabs-body'; |
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applyCSS(codeBody, { |
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background: cBg, |
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borderRadius: '0 0 ' + o.borderRadius + 'px ' + o.borderRadius + 'px' |
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}); |
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if (o.maxHeight > 0) { |
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applyCSS(codeBody, { maxHeight: o.maxHeight + 'px', overflowY: 'auto' }); |
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} |
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|
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/* Copy button */ |
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var copyBtn = document.createElement('button'); |
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copyBtn.className = 'bkbg-ctabs-copy'; |
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copyBtn.textContent = 'Copy'; |
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copyBtn.dataset.code = tabs[0].code || ''; |
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applyCSS(copyBtn, { background: cpBg, color: cpC }); |
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copyBtn.addEventListener('click', function () { |
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var code = copyBtn.dataset.code; |
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if (navigator.clipboard && navigator.clipboard.writeText) { |
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navigator.clipboard.writeText(code).then(function () { |
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copyBtn.textContent = 'Copied!'; |
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copyBtn.classList.add('is-copied'); |
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setTimeout(function () { |
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copyBtn.textContent = 'Copy'; |
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copyBtn.classList.remove('is-copied'); |
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}, 2000); |
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}).catch(function () {}); |
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} else { |
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/* Fallback */ |
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var ta = document.createElement('textarea'); |
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ta.value = code; |
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ta.style.position = 'absolute'; |
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ta.style.left = '-9999px'; |
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document.body.appendChild(ta); |
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ta.select(); |
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try { document.execCommand('copy'); } catch (e) {} |
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document.body.removeChild(ta); |
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copyBtn.textContent = 'Copied!'; |
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setTimeout(function () { copyBtn.textContent = 'Copy'; }, 2000); |
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} |
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}); |
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|
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if (o.showCopyButton) codeBody.appendChild(copyBtn); |
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|
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/* Inner scroll wrapper */ |
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var inner = document.createElement('div'); |
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inner.className = 'bkbg-ctabs-inner'; |
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|
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/* ── Panels ── */ |
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var panels = []; |
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|
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tabs.forEach(function (tab, idx) { |
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var panel = document.createElement('div'); |
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panel.className = 'bkbg-ctabs-panel' + (idx === 0 ? ' is-active' : ''); |
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|
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var lines = (tab.code || '').split('\n'); |
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lines.forEach(function (line, li) { |
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var row = document.createElement('div'); |
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row.className = 'bkbg-ctabs-line'; |
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|
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if (o.showLineNumbers) { |
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var numEl = document.createElement('span'); |
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numEl.className = 'bkbg-ctabs-linenum'; |
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numEl.textContent = li + 1; |
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applyCSS(numEl, { |
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color: lnC |
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}); |
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row.appendChild(numEl); |
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} |
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|
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var codeEl = document.createElement('span'); |
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codeEl.className = 'bkbg-ctabs-code'; |
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codeEl.textContent = line; |
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applyCSS(codeEl, { |
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color: cColor |
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}); |
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row.appendChild(codeEl); |
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panel.appendChild(row); |
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}); |
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|
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inner.appendChild(panel); |
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panels.push(panel); |
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}); |
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|
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codeBody.appendChild(inner); |
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wrap.appendChild(codeBody); |
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|
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/* ── Tab switching also updates filename / lang ── */ |
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tabBtns.forEach(function (btn, idx) { |
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btn.addEventListener('click', function () { |
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if (fileEl) fileEl.textContent = tabs[idx].fileName || ''; |
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if (langEl) langEl.textContent = (tabs[idx].lang || 'text').toUpperCase(); |
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}); |
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}); |
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|
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/* ── Keyboard navigation (arrow keys) ── */ |
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tabBar.setAttribute('role', 'tablist'); |
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tabBar.addEventListener('keydown', function (e) { |
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var key = e.key; |
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if (key === 'ArrowRight') { |
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e.preventDefault(); |
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var next = (activeIdx + 1) % tabs.length; |
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updateTabs(next); |
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tabBtns[next].focus(); |
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if (fileEl) fileEl.textContent = tabs[next].fileName || ''; |
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if (langEl) langEl.textContent = (tabs[next].lang || 'text').toUpperCase(); |
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} else if (key === 'ArrowLeft') { |
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e.preventDefault(); |
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var prev = (activeIdx - 1 + tabs.length) % tabs.length; |
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updateTabs(prev); |
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tabBtns[prev].focus(); |
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if (fileEl) fileEl.textContent = tabs[prev].fileName || ''; |
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if (langEl) langEl.textContent = (tabs[prev].lang || 'text').toUpperCase(); |
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} |
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}); |
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|
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appEl.parentNode.insertBefore(wrap, 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') { |
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init(); |
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} else { |
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document.addEventListener('DOMContentLoaded', init); |
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} |
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})(); |
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|
