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( function () { |
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var el = wp.element.createElement; |
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var useState = wp.element.useState; |
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var Fragment = wp.element.Fragment; |
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var registerBlockType = wp.blocks.registerBlockType; |
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var __ = wp.i18n.__; |
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var InspectorControls = wp.blockEditor.InspectorControls; |
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var PanelColorSettings = wp.blockEditor.PanelColorSettings; |
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var useBlockProps = wp.blockEditor.useBlockProps; |
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var PanelBody = wp.components.PanelBody; |
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var RangeControl = wp.components.RangeControl; |
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var TextControl = wp.components.TextControl; |
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var ToggleControl = wp.components.ToggleControl; |
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|
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var _cchkTC, _cchkTV; |
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function _tc() { return _cchkTC || (_cchkTC = window.bkbgTypographyControl); } |
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function _tv(obj, prefix) { var fn = _cchkTV || (_cchkTV = window.bkbgTypoCssVars); return fn ? fn(obj, prefix) : {}; } |
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|
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function hexToRgb(hex) { |
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hex = hex.replace('#',''); |
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if (hex.length === 3) hex = hex[0]+hex[0]+hex[1]+hex[1]+hex[2]+hex[2]; |
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return { r: parseInt(hex.slice(0,2),16), g: parseInt(hex.slice(2,4),16), b: parseInt(hex.slice(4,6),16) }; |
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} |
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function luminance(hex) { |
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var rgb = hexToRgb(hex); |
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var vals = [rgb.r, rgb.g, rgb.b].map(function(v) { |
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v = v / 255; |
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return v <= 0.03928 ? v / 12.92 : Math.pow((v + 0.055) / 1.055, 2.4); |
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}); |
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return 0.2126 * vals[0] + 0.7152 * vals[1] + 0.0722 * vals[2]; |
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} |
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function contrastRatio(fg, bg) { |
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var l1 = luminance(fg), l2 = luminance(bg); |
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var lighter = Math.max(l1, l2), darker = Math.min(l1, l2); |
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return (lighter + 0.05) / (darker + 0.05); |
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} |
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|
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var WCAG = [ |
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{ id: 'aa-normal', label: 'AA', sub: 'Normal text', min: 4.5 }, |
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{ id: 'aa-large', label: 'AA', sub: 'Large text', min: 3.0 }, |
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{ id: 'aaa-normal', label: 'AAA', sub: 'Normal text', min: 7.0 }, |
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{ id: 'aaa-large', label: 'AAA', sub: 'Large text', min: 4.5 } |
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]; |
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|
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function RatioDisplay(props) { |
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var r = props.ratio; |
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var pass = r >= 4.5 ? 'Excellent' : r >= 3 ? 'Good' : r >= 2 ? 'Poor' : 'Fail'; |
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var col = r >= 4.5 ? props.passColor : r >= 3 ? '#d97706' : props.failColor; |
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return el('div', { className: 'bkbg-cc-ratio-box', style: { borderColor: col + '44', background: col + '10' } }, |
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el('div', { className: 'bkbg-cc-ratio-val', style: { color: col } }, r.toFixed(2) + ':1'), |
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el('div', { className: 'bkbg-cc-ratio-lbl', style: { color: props.labelColor } }, 'Contrast Ratio'), |
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el('div', { className: 'bkbg-cc-ratio-grade', style: { background: col, color: '#fff' } }, pass) |
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); |
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} |
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|
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function WcagRow(props) { |
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var pass = props.ratio >= props.level.min; |
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var col = pass ? props.passColor : props.failColor; |
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return el('div', { className: 'bkbg-cc-wcag-row', style: { borderColor: col + '33', background: col + '09' } }, |
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el('div', { className: 'bkbg-cc-wcag-badge', style: { background: col, color: '#fff' } }, props.level.label), |
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el('div', { className: 'bkbg-cc-wcag-info' }, |
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el('div', { className: 'bkbg-cc-wcag-sub', style: { color: props.labelColor } }, props.level.sub), |
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el('div', { className: 'bkbg-cc-wcag-req', style: { color: '#9ca3af' } }, 'Min ' + props.level.min + ':1') |
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), |
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el('div', { className: 'bkbg-cc-wcag-status', style: { color: col } }, |
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pass ? '✓ Pass' : '✗ Fail' |
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) |
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); |
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} |
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|
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function Editor(props) { |
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var a = props.attributes, sa = props.setAttributes; |
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var fg = useState(a.defaultFg || '#1e1b4b'); var fgVal = fg[0]; var setFg = fg[1]; |
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var bg = useState(a.defaultBg || '#ffffff'); var bgVal = bg[0]; var setBg = bg[1]; |
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var ratio = contrastRatio(fgVal, bgVal); |
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var lc = a.labelColor || '#374151'; |
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|
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var blockProps = useBlockProps({ className: 'bkbg-cc-app', style: Object.assign({}, _tv(a.typoTitle, '--bkcchk-title-'), _tv(a.typoSubtitle, '--bkcchk-sub-')) }); |
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|
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return el(Fragment, null, |
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el(InspectorControls, null, |
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el(PanelBody, { title: __('Content'), initialOpen: true }, |
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el(TextControl, { label: __('Title'), value: a.title || '', onChange: function(v){ sa({ title: v }); } }), |
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el(TextControl, { label: __('Subtitle'), value: a.subtitle || '', onChange: function(v){ sa({ subtitle: v }); } }), |
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el(TextControl, { label: __('Preview Text'), value: a.previewText || '', onChange: function(v){ sa({ previewText: v }); } }), |
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el(TextControl, { label: __('Default Foreground Color'), value: a.defaultFg || '#1e1b4b', onChange: function(v){ sa({ defaultFg: v }); setFg(v); } }), |
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el(TextControl, { label: __('Default Background Color'), value: a.defaultBg || '#ffffff', onChange: function(v){ sa({ defaultBg: v }); setBg(v); } }), |
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el(ToggleControl, { __nextHasNoMarginBottom: true, label: __('Show Text Preview'), checked: a.showPreview !== false, onChange: function(v){ sa({ showPreview: v }); } }), |
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el(ToggleControl, { __nextHasNoMarginBottom: true, label: __('Show Color Suggestions'), checked: a.showSuggestions !== false, onChange: function(v){ sa({ showSuggestions: v }); } }) |
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), |
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|
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el( PanelBody, { title: __( 'Typography', 'blockenberg' ), initialOpen: false }, |
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_tc() && el(_tc(), { label: __('Title', 'blockenberg'), value: a.typoTitle, onChange: function(v){ sa({ typoTitle: v }); } }), |
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_tc() && el(_tc(), { label: __('Subtitle', 'blockenberg'), value: a.typoSubtitle, onChange: function(v){ sa({ typoSubtitle: v }); } }), |
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el(RangeControl, { label: __('Sample text font size (px)'), value: a.sampleFontSize || 16, min: 11, max: 28, onChange: function(v){ sa({ sampleFontSize: v }); }, __nextHasNoMarginBottom: true }) |
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), |
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el(PanelColorSettings, { |
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title: __('Colors'), |
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initialOpen: false, |
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colorSettings: [ |
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{ value: a.passColor ||'#16a34a', onChange: function(v){ sa({ passColor: v }); }, label: 'Pass Badge' }, |
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{ value: a.failColor ||'#dc2626', onChange: function(v){ sa({ failColor: v }); }, label: 'Fail Badge' }, |
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{ value: a.accentColor ||'#6c3fb5', onChange: function(v){ sa({ accentColor: v }); }, label: 'Accent' }, |
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{ value: a.cardBg ||'#ffffff', onChange: function(v){ sa({ cardBg: v }); }, label: 'Card Background' }, |
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{ value: a.sectionBg ||'#f5f3ff', onChange: function(v){ sa({ sectionBg: v }); }, label: 'Section Background' }, |
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{ value: a.titleColor ||'#111827', onChange: function(v){ sa({ titleColor: v }); }, label: 'Title' }, |
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{ value: a.subtitleColor ||'#6b7280', onChange: function(v){ sa({ subtitleColor: v }); }, label: 'Subtitle' }, |
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{ value: a.labelColor ||'#374151', onChange: function(v){ sa({ labelColor: v }); }, label: 'Labels' } |
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] |
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}), |
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el(PanelBody, { title: __('Sizing'), initialOpen: false }, |
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el(RangeControl, { label: __('Max Width (px)'), value: a.contentMaxWidth || 680, min: 360, max: 1400, step: 10, onChange: function(v){ sa({ contentMaxWidth: v }); } }) |
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) |
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), |
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|
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el('div', blockProps, |
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el('div', { className: 'bkbg-cc-card', style: { background: a.cardBg||'#fff', maxWidth: (a.contentMaxWidth||680)+'px' } }, |
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el('h2', { className: 'bkbg-cc-title', style: { color: a.titleColor||'#111827' } }, |
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a.title || 'Color Contrast Checker' |
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), |
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el('p', { className: 'bkbg-cc-subtitle', style: { color: a.subtitleColor||'#6b7280' } }, |
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a.subtitle || 'Test accessibility compliance with WCAG 2.1 standards' |
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), |
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|
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// Color pickers |
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el('div', { className: 'bkbg-cc-pickers', style: { background: a.sectionBg||'#f5f3ff' } }, |
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el('div', { className: 'bkbg-cc-picker-group' }, |
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el('label', { className: 'bkbg-cc-label', style: { color: lc } }, '� |
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� Foreground Color'), |
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el('div', { className: 'bkbg-cc-color-row' }, |
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el('input', { type: 'color', className: 'bkbg-cc-color-input', value: fgVal, onChange: function(e){ setFg(e.target.value); } }), |
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el('span', { className: 'bkbg-cc-hex', style: { color: lc } }, fgVal.toUpperCase()) |
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) |
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), |
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el('button', { className: 'bkbg-cc-swap', style: { background: a.accentColor||'#6c3fb5' }, onClick: function(){ var t=fgVal; setFg(bgVal); setBg(t); } }, '⇆'), |
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el('div', { className: 'bkbg-cc-picker-group' }, |
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el('label', { className: 'bkbg-cc-label', style: { color: lc } }, '◻ Background Color'), |
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el('div', { className: 'bkbg-cc-color-row' }, |
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el('input', { type: 'color', className: 'bkbg-cc-color-input', value: bgVal, onChange: function(e){ setBg(e.target.value); } }), |
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el('span', { className: 'bkbg-cc-hex', style: { color: lc } }, bgVal.toUpperCase()) |
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) |
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) |
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), |
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|
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// Preview |
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a.showPreview !== false && el('div', { className: 'bkbg-cc-preview', style: { background: bgVal } }, |
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el('p', { className: 'bkbg-cc-preview-normal', style: { color: fgVal, fontSize: (a.sampleFontSize || 16) + 'px' } }, a.previewText || 'Normal text sample — 16px'), |
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el('p', { className: 'bkbg-cc-preview-large', style: { color: fgVal, fontSize: Math.round((a.sampleFontSize || 16) * 1.5) + 'px' } }, a.previewText || 'Large text sample — 24px'), |
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el('p', { className: 'bkbg-cc-preview-bold', style: { color: fgVal } }, a.previewText || 'Bold text — 14px bold') |
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), |
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|
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// Ratio display |
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el(RatioDisplay, { ratio: ratio, passColor: a.passColor||'#16a34a', failColor: a.failColor||'#dc2626', labelColor: lc }), |
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|
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// WCAG levels |
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el('div', { className: 'bkbg-cc-wcag-grid' }, |
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WCAG.map(function(level) { |
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return el(WcagRow, { key: level.id, ratio: ratio, level: level, passColor: a.passColor||'#16a34a', failColor: a.failColor||'#dc2626', labelColor: lc }); |
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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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|
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registerBlockType('blockenberg/contrast-checker', { |
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edit: Editor, |
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save: function(props) { |
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var a = props.attributes; |
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return el('div', useBlockProps.save(), |
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el('div', { className: 'bkbg-cc-app', 'data-opts': JSON.stringify(a) }) |
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); |
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} |
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}); |
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}() ); |
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|
