# blockenberg/2.0.7/blocks/violin-plot/index.js Blockenberg — 600+ Advanced Gutenberg Blocks & AI Agent for WordPress Block Editor, version 2.0.7. 253 lines. - Page: https://pluginprobe.com/plugins/blockenberg/2.0.7/code/blocks/violin-plot/index.js - Raw: https://pluginprobe.com/plugins/blockenberg/2.0.7/raw/blocks/violin-plot/index.js - Modified: 2026-03-06T12:32:40+00:00 Line numbers below start at 1. Link to a line or a range by appending a fragment to the page URL, for example `https://pluginprobe.com/plugins/blockenberg/2.0.7/code/blocks/violin-plot/index.js#L10-L20`. ```javascript ( function () { const el = window.wp.element.createElement; const { registerBlockType } = window.wp.blocks; const { InspectorControls, useBlockProps, PanelColorSettings } = window.wp.blockEditor; const { PanelBody, RangeControl, ToggleControl, TextControl, TextareaControl, Button, ColorPicker, Popover } = window.wp.components; const { __ } = window.wp.i18n; const { useState } = window.wp.element; var _tc, _tvf; Object.defineProperty(window, '_tc', { get: function () { return _tc || (_tc = window.bkbgTypographyControl); } }); Object.defineProperty(window, '_tvf', { get: function () { return _tvf || (_tvf = window.bkbgTypoCssVars); } }); function getTypoControl(label, key, attrs, setA) { return _tc(label, key, attrs, setA); } function getTypoCssVars(attrs) { var v = {}; _tvf(v, 'titleTypo', attrs, '--bkvip-tt-'); return v; } // ── Stats helpers ───────────────────────────────────────────────────────── function sorted( arr ) { return [ ...arr ].sort( ( a, b ) => a - b ); } function quantile( s, q ) { const pos = ( s.length - 1 ) * q; const base = Math.floor( pos ); const rest = pos - base; return s[ base + 1 ] !== undefined ? s[ base ] + rest * ( s[ base + 1 ] - s[ base ] ) : s[ base ]; } // Kernel Density Estimation (Gaussian, bandwidth = Silverman's rule) function kde( sortedVals, bandwidth, steps ) { const mn = sortedVals[ 0 ]; const mx = sortedVals[ sortedVals.length - 1 ]; const result = []; for ( let i = 0; i <= steps; i++ ) { const x = mn + ( i / steps ) * ( mx - mn ); let density = 0; sortedVals.forEach( v => { const u = ( x - v ) / bandwidth; density += Math.exp( -0.5 * u * u ); } ); density /= ( sortedVals.length * bandwidth * Math.sqrt( 2 * Math.PI ) ); result.push( { x, d: density } ); } return result; } function bandwidth( n, std ) { return 1.06 * std * Math.pow( n, -0.2 ); } function stddev( vals ) { const m = vals.reduce( ( s, v ) => s + v, 0 ) / vals.length; return Math.sqrt( vals.reduce( ( s, v ) => s + ( v - m ) ** 2, 0 ) / vals.length ); } // ── Renderer ────────────────────────────────────────────────────────────── function renderViolin( a ) { const groups = a.groups || []; const W = a.svgWidth; const H = a.svgHeight; const PT = a.padTop; const PL = a.padLeft; const PR = a.padRight; const PB = a.padBottom; const chartW = W - PL - PR; const chartH = H - PT - PB; const VW = Math.min( a.violinWidth, ( chartW / groups.length ) * 0.8 ); const KDE_STEPS = 40; const opacity = ( a.fillOpacity || 75 ) / 100; if ( ! groups.length ) return el( 'svg', { viewBox: `0 0 ${ W } ${ H }`, width: '100%' } ); // Global Y range across all groups const allVals = groups.flatMap( g => g.values || [] ); if ( ! allVals.length ) return el( 'svg', { viewBox: `0 0 ${ W } ${ H }`, width: '100%' } ); const globalMin = Math.min( ...allVals ); const globalMax = Math.max( ...allVals ); const yRange = ( globalMax - globalMin ) || 1; const yPad = yRange * 0.05; function sy( v ) { return PT + chartH - ( ( v - ( globalMin - yPad ) ) / ( yRange + yPad * 2 ) ) * chartH; } // Step width per group const step = chartW / groups.length; function cx( gi ) { return PL + gi * step + step / 2; } const svgEls = []; svgEls.push( el( 'rect', { key: 'bg', x: 0, y: 0, width: W, height: H, fill: a.bgColor || '#ffffff', rx: 8 } ) ); // Grid + Y axis ticks if ( a.showGrid ) { const ticks = 5; for ( let t = 0; t <= ticks; t++ ) { const gy = PT + ( t / ticks ) * chartH; const yV = Math.round( ( globalMin - yPad ) + ( 1 - t / ticks ) * ( yRange + yPad * 2 ) ); svgEls.push( el( 'line', { key: `gl${ t }`, x1: PL, y1: gy, x2: W - PR, y2: gy, stroke: a.gridColor || '#f3f4f6', strokeWidth: 1 } ) ); svgEls.push( el( 'text', { key: `gy${ t }`, x: PL - 6, y: gy, textAnchor: 'end', dominantBaseline: 'middle', fill: a.textColor, fontSize: a.labelFontSize - 1, fontFamily: 'inherit' }, yV ) ); } } // Y axis label svgEls.push( el( 'text', { key: 'ylabel', x: 14, y: PT + chartH / 2, textAnchor: 'middle', fill: a.textColor, fontSize: a.labelFontSize, fontFamily: 'inherit', transform: `rotate(-90, 14, ${ PT + chartH / 2 })` }, a.yAxisLabel ) ); // Violins groups.forEach( ( g, gi ) => { const vals = g.values || []; if ( ! vals.length ) return; const s = sorted( vals ); const std = stddev( s ); const bw = bandwidth( s.length, std || 1 ); const kde_ = kde( s, bw, KDE_STEPS ); const clr = g.color || '#6366f1'; // Max density → half-width mapping const maxD = Math.max( ...kde_.map( p => p.d ) ) || 1; function dx( d ) { return ( d / maxD ) * ( VW / 2 ); } // Build polygon: right side top→bottom, then left side bottom→top const rightPts = kde_.map( p => `${ cx( gi ) + dx( p.d ) },${ sy( p.x ) }` ); const leftPts = [ ...kde_ ].reverse().map( p => `${ cx( gi ) - dx( p.d ) },${ sy( p.x ) }` ); const polyPts = [ ...rightPts, ...leftPts ].join( ' ' ); svgEls.push( el( 'polygon', { key: `vio${ gi }`, points: polyPts, fill: clr, fillOpacity: opacity, stroke: clr, strokeWidth: 1.5 } ) ); // IQR box if ( a.showIQR ) { const q1 = quantile( s, 0.25 ); const q3 = quantile( s, 0.75 ); const iqrH = sy( q1 ) - sy( q3 ); svgEls.push( el( 'rect', { key: `iqr${ gi }`, x: cx( gi ) - VW * 0.12, y: sy( q3 ), width: VW * 0.24, height: Math.max( 2, iqrH ), fill: '#ffffff', fillOpacity: 0.85, stroke: clr, strokeWidth: 1.5, rx: 2 } ) ); } // Median line if ( a.showMedian ) { const med = quantile( s, 0.5 ); svgEls.push( el( 'line', { key: `med${ gi }`, x1: cx( gi ) - VW * 0.18, y1: sy( med ), x2: cx( gi ) + VW * 0.18, y2: sy( med ), stroke: clr, strokeWidth: 2.5 } ) ); svgEls.push( el( 'circle', { key: `medpt${ gi }`, cx: cx( gi ), cy: sy( med ), r: 3.5, fill: '#fff', stroke: clr, strokeWidth: 2 } ) ); } // X label svgEls.push( el( 'text', { key: `xl${ gi }`, x: cx( gi ), y: H - PB + 18, textAnchor: 'middle', fill: a.textColor, fontSize: a.labelFontSize, fontFamily: 'inherit', fontWeight: 500 }, g.label ) ); } ); // Axes svgEls.push( el( 'line', { key: 'xax', x1: PL, y1: PT + chartH, x2: W - PR, y2: PT + chartH, stroke: a.textColor, strokeWidth: 1, strokeOpacity: 0.3 } ) ); svgEls.push( el( 'line', { key: 'yax', x1: PL, y1: PT, x2: PL, y2: PT + chartH, stroke: a.textColor, strokeWidth: 1, strokeOpacity: 0.3 } ) ); // Legend if ( a.showLegend ) { const legY = H - PB + 36; const legStep = Math.min( 140, chartW / groups.length ); groups.forEach( ( g, gi ) => { const lx = PL + gi * legStep; svgEls.push( el( 'rect', { key: `lgn${ gi }`, x: lx, y: legY - 7, width: 18, height: 10, fill: g.color || '#6366f1', rx: 2, fillOpacity: opacity } ) ); svgEls.push( el( 'text', { key: `lgt${ gi }`, x: lx + 22, y: legY, dominantBaseline: 'middle', fill: a.textColor, fontSize: a.labelFontSize - 1, fontFamily: 'inherit' }, g.label ) ); } ); } return el( 'svg', { viewBox: `0 0 ${ W } ${ H }`, width: '100%', style: { display: 'block', maxWidth: W + 'px', margin: '0 auto' } }, ...svgEls ); } function updGrp( setAttributes, groups, gi, field, val ) { setAttributes( { groups: groups.map( ( g, i ) => i === gi ? { ...g, [field]: val } : g ) } ); } /* ── colour-swatch + popover ── */ function BkbgColorSwatch(p) { var st = useState(false), open = st[0], setOpen = st[1]; return el('div', { style:{ display:'flex', alignItems:'center', justifyContent:'space-between', padding:'4px 0', gap:'8px' } }, el('span', { style:{ fontSize:'12px', color:'#1e1e1e', flex:1, lineHeight:1.4 } }, p.label), el('div', { style:{ position:'relative', flexShrink:0 } }, el('button', { type:'button', title: p.value||'none', onClick: function(){ setOpen(!open); }, style:{ width:'28px', height:'28px', borderRadius:'4px', border: open ? '2px solid #007cba' : '2px solid #ddd', cursor:'pointer', padding:0, display:'block', background: p.value||'#ffffff', flexShrink:0 } }), open && el(Popover, { position:'bottom left', onClose: function(){ setOpen(false); } }, el('div', { style:{ padding:'8px' }, onMouseDown: function(e){ e.stopPropagation(); } }, el('div', { style:{ display:'flex', justifyContent:'space-between', alignItems:'center', marginBottom:'6px' } }, el('strong', { style:{ fontSize:'12px' } }, p.label), el(Button, { icon:'no-alt', isSmall:true, onClick: function(){ setOpen(false); } }) ), el(ColorPicker, { color: p.value, enableAlpha:true, onChange: p.onChange }) ) ) ) ); } registerBlockType( 'blockenberg/violin-plot', { edit: function ( props ) { const { attributes: a, setAttributes } = props; const blockProps = useBlockProps( { className: 'bkbg-violin-wrap', style: getTypoCssVars( a ) } ); return el( 'div', blockProps, el( InspectorControls, {}, el( PanelBody, { title: __( 'Chart Settings', 'blockenberg' ), initialOpen: true }, el( TextControl, { label: __( 'Title', 'blockenberg' ), value: a.title, onChange: v => setAttributes( { title: v } ) } ), el( ToggleControl, { label: __( 'Show Title', 'blockenberg' ), checked: a.showTitle, onChange: v => setAttributes( { showTitle: v } ) } ), el( ToggleControl, { label: __( 'Show Grid', 'blockenberg' ), checked: a.showGrid, onChange: v => setAttributes( { showGrid: v } ) } ), el( ToggleControl, { label: __( 'Show Median', 'blockenberg' ), checked: a.showMedian, onChange: v => setAttributes( { showMedian: v } ) } ), el( ToggleControl, { label: __( 'Show IQR Box', 'blockenberg' ), checked: a.showIQR, onChange: v => setAttributes( { showIQR: v } ) } ), el( ToggleControl, { label: __( 'Show Legend', 'blockenberg' ), checked: a.showLegend, onChange: v => setAttributes( { showLegend: v } ) } ), el( RangeControl, { label: __( 'Fill Opacity %', 'blockenberg' ), value: a.fillOpacity, onChange: v => setAttributes( { fillOpacity: v } ), min: 10, max: 100 } ), el( TextControl, { label: __( 'Y Axis Label', 'blockenberg' ), value: a.yAxisLabel, onChange: v => setAttributes( { yAxisLabel: v } ) } ), ), el( PanelBody, { title: __( 'Layout', 'blockenberg' ), initialOpen: false }, el( RangeControl, { label: __( 'Canvas Width', 'blockenberg' ), value: a.svgWidth, onChange: v => setAttributes( { svgWidth: v } ), min: 300, max: 1200, step: 20 } ), el( RangeControl, { label: __( 'Canvas Height', 'blockenberg' ), value: a.svgHeight, onChange: v => setAttributes( { svgHeight: v } ), min: 200, max: 700 } ), el( RangeControl, { label: __( 'Violin Width', 'blockenberg' ), value: a.violinWidth, onChange: v => setAttributes( { violinWidth: v } ), min: 20, max: 160 } ), el( RangeControl, { label: __( 'Left Padding', 'blockenberg' ), value: a.padLeft, onChange: v => setAttributes( { padLeft: v } ), min: 20, max: 120 } ), ), el( PanelBody, { title: __( 'Typography', 'blockenberg' ), initialOpen: false }, getTypoControl( __( 'Title', 'blockenberg' ), 'titleTypo', a, setAttributes ), el( RangeControl, { label: __( 'Label Font Size', 'blockenberg' ), value: a.labelFontSize, onChange: v => setAttributes( { labelFontSize: v } ), min: 8, max: 20 } ) ), el( PanelColorSettings, { title: __( 'Colors', 'blockenberg' ), initialOpen: false, colorSettings: [ { label: __( 'Background', 'blockenberg' ), value: a.bgColor, onChange: v => setAttributes( { bgColor: v || '#ffffff' } ) }, { label: __( 'Grid', 'blockenberg' ), value: a.gridColor, onChange: v => setAttributes( { gridColor: v || '#f3f4f6' } ) }, { label: __( 'Title', 'blockenberg' ), value: a.titleColor, onChange: v => setAttributes( { titleColor: v || '#111827' } ) }, { label: __( 'Text/Axes', 'blockenberg' ), value: a.textColor, onChange: v => setAttributes( { textColor: v || '#374151' } ) }, ] } ), el( PanelBody, { title: __( 'Groups', 'blockenberg' ), initialOpen: false }, el( Button, { variant: 'secondary', style: { marginBottom: 10 }, onClick: () => setAttributes( { groups: [ ...a.groups, { label: 'New Group', color: '#8b5cf6', values: [ 40, 55, 65, 70, 75, 80, 85 ] } ] } ) }, __( '+ Add Group', 'blockenberg' ) ), a.groups.map( ( g, gi ) => el( PanelBody, { key: gi, title: g.label || `Group ${ gi + 1 }`, initialOpen: false }, el( TextControl, { label: __( 'Label', 'blockenberg' ), value: g.label, onChange: v => updGrp( setAttributes, a.groups, gi, 'label', v ) } ), el( BkbgColorSwatch, { label: __( 'Color', 'blockenberg' ), value: g.color, onChange: v => updGrp( setAttributes, a.groups, gi, 'color', v ) } ), el( TextareaControl, { label: __( 'Values (comma-separated)', 'blockenberg' ), value: ( g.values || [] ).join( ', ' ), onChange: v => updGrp( setAttributes, a.groups, gi, 'values', v.split( ',' ).map( n => parseFloat( n.trim() ) ).filter( n => ! isNaN( n ) ) ), rows: 4, } ), el( Button, { isDestructive: true, isSmall: true, style: { marginTop: 6 }, onClick: () => setAttributes( { groups: a.groups.filter( ( _, x ) => x !== gi ) } ) }, __( 'Remove', 'blockenberg' ) ), ) ), ), ), a.showTitle && a.title && el( 'h3', { className: 'bkbg-violin-title', style: { color: a.titleColor } }, a.title ), el( 'div', { className: 'bkbg-violin-svg' }, renderViolin( a ) ), ); }, save: function ( { attributes: a } ) { const blockProps = useBlockProps.save( { className: 'bkbg-violin-wrap', style: getTypoCssVars( a ) } ); return el( 'div', blockProps, a.showTitle && a.title ? el( 'h3', { className: 'bkbg-violin-title', style: { color: a.titleColor } }, a.title ) : null, el( 'div', { className: 'bkbg-violin-svg' }, renderViolin( a ) ), ); }, } ); }() ); ```