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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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var BASES = [ |
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{key:'binary', label:'Binary', base:2, hint:'0 – 1', validate:/^[01]*$/}, |
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{key:'octal', label:'Octal', base:8, hint:'0 – 7', validate:/^[0-7]*$/}, |
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{key:'decimal', label:'Decimal', base:10, hint:'0 – 9', validate:/^[0-9]*$/}, |
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{key:'hex', label:'Hexadecimal', base:16, hint:'0 – F', validate:/^[0-9A-Fa-f]*$/} |
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]; |
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|
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var ORDER = ['decimal','binary','octal','hex']; |
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|
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function toDecimal(str, base) { |
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if (!str) return NaN; |
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return parseInt(str, base); |
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} |
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|
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function fromDecimal(n, base) { |
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if (isNaN(n) || n < 0) return ''; |
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return n.toString(base).toUpperCase(); |
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} |
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|
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function bitPattern(n, bits) { |
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if (isNaN(n) || n < 0) return '—'; |
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return (n >>> 0).toString(2).padStart(bits, '0'); |
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} |
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|
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function showToast(msg) { |
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var t = document.querySelector('.bkbg-nbc-toast'); |
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if (!t) { |
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t = document.createElement('div'); |
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t.className = 'bkbg-nbc-toast'; |
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document.body.appendChild(t); |
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} |
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t.textContent = msg; |
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t.classList.add('show'); |
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setTimeout(function () { t.classList.remove('show'); }, 1800); |
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} |
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|
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function initBlock(app) { |
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var opts = {}; |
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try { opts = JSON.parse(app.getAttribute('data-opts') || '{}'); } catch(e) {} |
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|
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var defaultValue = opts.defaultValue || '255'; |
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var showBinary = opts.showBinary !== false; |
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var showOctal = opts.showOctal !== false; |
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var showDecimal = opts.showDecimal !== false; |
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var showHex = opts.showHex !== false; |
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var showBitLength = opts.showBitLength !== false; |
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var showCopy = opts.showCopyButtons !== false; |
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var cardRadius = (opts.cardRadius !== undefined ? opts.cardRadius : 16) + 'px'; |
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var inputRadius = (opts.inputRadius !== undefined ? opts.inputRadius : 8) + 'px'; |
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var valueFontSize = (opts.valueFontSize || 18) + 'px'; |
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var colors = { |
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binary: opts.binaryColor || '#3b82f6', |
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octal: opts.octalColor || '#f59e0b', |
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decimal: opts.decimalColor || '#6c3fb5', |
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hex: opts.hexColor || '#10b981' |
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}; |
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var rowBg = opts.rowBg || '#f3f4f6'; |
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var rowBorder = opts.rowBorder || '#e5e7eb'; |
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var cardBg = opts.cardBg || '#fff'; |
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var labelColor= opts.labelColor|| '#374151'; |
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|
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var wrap = document.createElement('div'); |
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wrap.className = 'bkbg-nbc-wrap'; |
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wrap.style.borderRadius = cardRadius; |
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wrap.style.background = cardBg; |
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app.appendChild(wrap); |
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|
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/* Typography CSS vars */ |
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typoCssVarsForEl(wrap, opts.titleTypo, '--bkbg-nbc-tt-'); |
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typoCssVarsForEl(wrap, opts.subtitleTypo, '--bkbg-nbc-st-'); |
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|
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// Header |
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if (opts.showTitle || opts.showSubtitle) { |
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var hdr = document.createElement('div'); |
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hdr.className = 'bkbg-nbc-header'; |
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if (opts.showTitle && opts.title) { |
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var ti = document.createElement('div'); |
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ti.className = 'bkbg-nbc-title'; |
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if (opts.titleColor) ti.style.color = opts.titleColor; |
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ti.textContent = opts.title; |
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hdr.appendChild(ti); |
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} |
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if (opts.showSubtitle && opts.subtitle) { |
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var su = document.createElement('div'); |
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su.className = 'bkbg-nbc-subtitle'; |
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if (opts.subtitleColor) su.style.color = opts.subtitleColor; |
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su.textContent = opts.subtitle; |
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hdr.appendChild(su); |
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} |
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wrap.appendChild(hdr); |
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} |
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|
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// Build rows |
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var inputs = {}; |
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var visibility = {binary:showBinary, octal:showOctal, decimal:showDecimal, hex:showHex}; |
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var order = ORDER.filter(function(k){ return visibility[k]; }); |
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|
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order.forEach(function(key) { |
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var binfo = BASES.find(function(b){ return b.key===key; }); |
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var color = colors[key]; |
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|
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var row = document.createElement('div'); |
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row.className = 'bkbg-nbc-row'; |
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row.style.background = rowBg; |
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row.style.borderColor = rowBorder; |
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row.style.borderRadius = inputRadius; |
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row.style.overflow = 'hidden'; |
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|
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var badge = document.createElement('div'); |
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badge.className = 'bkbg-nbc-badge'; |
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badge.style.background = color; |
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badge.style.color = '#fff'; |
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|
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var hint = document.createElement('div'); |
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hint.className = 'bkbg-nbc-badge-hint'; |
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hint.textContent = binfo.hint; |
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|
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var name = document.createElement('div'); |
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name.className = 'bkbg-nbc-badge-name'; |
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name.textContent = binfo.label; |
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|
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badge.appendChild(hint); badge.appendChild(name); |
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|
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var inp = document.createElement('input'); |
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inp.type = 'text'; |
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inp.className = 'bkbg-nbc-input'; |
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inp.style.fontSize = valueFontSize; |
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inp.autocomplete = 'off'; |
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inp.autocorrect = 'off'; |
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inp.spellcheck = false; |
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inp.dataset.base = binfo.base; |
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inp.dataset.key = key; |
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|
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row.appendChild(badge); |
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row.appendChild(inp); |
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|
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if (showCopy) { |
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var copyBtn = document.createElement('button'); |
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copyBtn.className = 'bkbg-nbc-copy'; |
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copyBtn.type = 'button'; |
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copyBtn.textContent = 'Copy'; |
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copyBtn.style.color = color; |
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copyBtn.style.background = color + '18'; |
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copyBtn.addEventListener('click', function () { |
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var val = inp.value; |
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if (!val) return; |
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if (navigator.clipboard) { |
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navigator.clipboard.writeText(val).then(function(){ showToast('Copied!'); }); |
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} else { |
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inp.select(); |
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document.execCommand('copy'); |
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showToast('Copied!'); |
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} |
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}); |
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row.appendChild(copyBtn); |
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} |
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|
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wrap.appendChild(row); |
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inputs[key] = inp; |
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}); |
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|
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// Bit length section |
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var bitSection, b8, b16, b32; |
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if (showBitLength) { |
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bitSection = document.createElement('div'); |
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bitSection.className = 'bkbg-nbc-bits'; |
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bitSection.style.background = rowBg; |
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bitSection.style.borderColor = rowBorder; |
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|
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var bTitle = document.createElement('div'); |
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bTitle.className = 'bkbg-nbc-bits-title'; |
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bTitle.style.color = labelColor; |
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bTitle.textContent = 'Bit Lengths'; |
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bitSection.appendChild(bTitle); |
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|
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function makeBitRow(label) { |
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var r = document.createElement('div'); |
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r.className = 'bkbg-nbc-bit-row'; |
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var l = document.createElement('span'); |
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l.className = 'bkbg-nbc-bit-lbl'; |
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l.style.color = labelColor; |
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l.textContent = label; |
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var v = document.createElement('span'); |
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v.className = 'bkbg-nbc-bit-val'; |
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v.textContent = '—'; |
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r.appendChild(l); r.appendChild(v); |
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bitSection.appendChild(r); |
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return v; |
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} |
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b8 = makeBitRow('8-bit'); |
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b16 = makeBitRow('16-bit'); |
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b32 = makeBitRow('32-bit'); |
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wrap.appendChild(bitSection); |
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} |
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|
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// Compute initial values from defaultValue (decimal) |
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var initDec = parseInt(defaultValue, 10); |
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Object.keys(inputs).forEach(function(key) { |
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var binfo = BASES.find(function(b){ return b.key===key; }); |
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inputs[key].value = fromDecimal(initDec, binfo.base); |
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}); |
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if (showBitLength && !isNaN(initDec)) { |
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b8.textContent = bitPattern(initDec, 8); |
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b16.textContent = bitPattern(initDec, 16); |
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b32.textContent = bitPattern(initDec, 32); |
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} |
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|
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// Attach listeners |
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Object.keys(inputs).forEach(function (key) { |
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var inp = inputs[key]; |
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inp.addEventListener('input', function () { |
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var raw = inp.value.replace(/\s/g, '').toUpperCase(); |
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var binfo = BASES.find(function(b){ return b.key===key; }); |
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// Validate |
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if (raw && !binfo.validate.test(raw)) { |
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// revert to last valid value - strip invalid chars |
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var allowed = raw.split('').filter(function(c){ return binfo.validate.test(c); }).join(''); |
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inp.value = allowed; |
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raw = allowed; |
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} |
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var n = toDecimal(raw, binfo.base); |
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Object.keys(inputs).forEach(function(k) { |
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if (k === key) { return; } |
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var tb = BASES.find(function(b){ return b.key===k; }); |
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inputs[k].value = raw ? fromDecimal(n, tb.base) : ''; |
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}); |
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if (showBitLength) { |
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if (!raw || isNaN(n)) { |
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b8.textContent = '—'; b16.textContent = '—'; b32.textContent = '—'; |
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} else { |
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b8.textContent = bitPattern(n, 8); |
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b16.textContent = bitPattern(n, 16); |
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b32.textContent = bitPattern(n, 32); |
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} |
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} |
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}); |
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}); |
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} |
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|
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function init() { |
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document.querySelectorAll('.bkbg-nbc-app').forEach(initBlock); |
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} |
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|
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if (document.readyState === 'loading') { |
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document.addEventListener('DOMContentLoaded', init); |
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} else { |
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init(); |
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} |
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})(); |
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|
