|
| 1 | +import React, { useState } from 'react'; |
| 2 | +import { Select } from 'antd'; |
| 3 | +import { |
| 4 | + interpolateRainbow, |
| 5 | + interpolateViridis, |
| 6 | + interpolateCool, |
| 7 | + interpolateWarm, |
| 8 | + interpolateInferno, |
| 9 | + interpolateMagma, |
| 10 | + interpolatePlasma, |
| 11 | + interpolateBlues, |
| 12 | + interpolateGreens, |
| 13 | + interpolateOranges, |
| 14 | + interpolateReds, |
| 15 | + interpolatePurples, |
| 16 | +} from 'd3-scale-chromatic'; |
| 17 | +import styled from 'styled-components'; |
| 18 | + |
| 19 | +const ColorPreview = styled.div` |
| 20 | + display: flex; |
| 21 | + height: 10px; // Reduced height from 20px to 10px |
| 22 | + width: 100%; |
| 23 | +`; |
| 24 | + |
| 25 | +const ColorSegment = styled.div<{ color: string }>` |
| 26 | + flex: 1; |
| 27 | + background-color: ${(props) => props.color}; |
| 28 | +`; |
| 29 | + |
| 30 | +interface ColorTableInputProps { |
| 31 | + value?: string[]; |
| 32 | + onChange?: (value: string[]) => void; |
| 33 | +} |
| 34 | + |
| 35 | +const generateColorTable = ( |
| 36 | + interpolator: (t: number) => string, |
| 37 | + reverse: boolean = false, |
| 38 | +): string[] => { |
| 39 | + const segments = 20; |
| 40 | + const colors = Array.from({ length: segments }).map((_, i) => { |
| 41 | + return interpolator(i / (segments - 1)); |
| 42 | + }); |
| 43 | + if (reverse) { |
| 44 | + return colors.reverse(); |
| 45 | + } |
| 46 | + return colors; |
| 47 | +}; |
| 48 | + |
| 49 | +export const colorSchemes = [ |
| 50 | + { label: 'Rainbow', value: 'rainbow', interpolator: interpolateRainbow, reverse: true }, |
| 51 | + { label: 'Viridis', value: 'viridis', interpolator: interpolateViridis }, |
| 52 | + { label: 'Cool', value: 'cool', interpolator: interpolateCool }, |
| 53 | + { label: 'Warm', value: 'warm', interpolator: interpolateWarm }, |
| 54 | + { label: 'Inferno', value: 'inferno', interpolator: interpolateInferno }, |
| 55 | + { label: 'Magma', value: 'magma', interpolator: interpolateMagma }, |
| 56 | + { label: 'Plasma', value: 'plasma', interpolator: interpolatePlasma }, |
| 57 | + { label: 'Blues', value: 'blues', interpolator: interpolateBlues }, |
| 58 | + { label: 'Greens', value: 'greens', interpolator: interpolateGreens }, |
| 59 | + { label: 'Oranges', value: 'oranges', interpolator: interpolateOranges }, |
| 60 | + { label: 'Reds', value: 'reds', interpolator: interpolateReds }, |
| 61 | + { label: 'Purples', value: 'purples', interpolator: interpolatePurples }, |
| 62 | +].map((item) => ({ |
| 63 | + ...item, |
| 64 | + colors: generateColorTable(item.interpolator, item.reverse), |
| 65 | +})); |
| 66 | + |
| 67 | +const ColorTableInput: React.FC<ColorTableInputProps> = ({ |
| 68 | + value = [], |
| 69 | + onChange, |
| 70 | +}) => { |
| 71 | + const [selectedScheme, setSelectedScheme] = useState(() => { |
| 72 | + // Find matching color scheme |
| 73 | + const matchingScheme = colorSchemes.find( |
| 74 | + (scheme) => JSON.stringify(scheme.colors) === JSON.stringify(value), |
| 75 | + ); |
| 76 | + return matchingScheme ? matchingScheme.value : 'rainbow'; |
| 77 | + }); |
| 78 | + |
| 79 | + const handleChange = (newValue: string) => { |
| 80 | + setSelectedScheme(newValue); |
| 81 | + const scheme = colorSchemes.find((s) => s.value === newValue); |
| 82 | + if (scheme) { |
| 83 | + onChange?.(scheme.colors); |
| 84 | + } |
| 85 | + }; |
| 86 | + |
| 87 | + const renderColorPreview = (scheme: (typeof colorSchemes)[0]) => { |
| 88 | + const segments = 20; |
| 89 | + return ( |
| 90 | + <ColorPreview> |
| 91 | + {Array.from({ length: segments }).map((_, i) => ( |
| 92 | + <ColorSegment |
| 93 | + key={i} |
| 94 | + color={scheme.interpolator(i / (segments - 1))} |
| 95 | + /> |
| 96 | + ))} |
| 97 | + </ColorPreview> |
| 98 | + ); |
| 99 | + }; |
| 100 | + |
| 101 | + return ( |
| 102 | + <Select |
| 103 | + style={{ width: '100%' }} |
| 104 | + value={selectedScheme} |
| 105 | + onChange={handleChange} |
| 106 | + labelRender={(selectedValue) => { |
| 107 | + const scheme = colorSchemes.find( |
| 108 | + (s) => s.value === selectedValue.value, |
| 109 | + ); |
| 110 | + return scheme ? renderColorPreview(scheme) : null; |
| 111 | + }} |
| 112 | + options={colorSchemes.map((scheme) => ({ |
| 113 | + value: scheme.value, |
| 114 | + label: ( |
| 115 | + <div> |
| 116 | + <div>{scheme.label}</div> |
| 117 | + {renderColorPreview(scheme)} |
| 118 | + </div> |
| 119 | + ), |
| 120 | + }))} |
| 121 | + /> |
| 122 | + ); |
| 123 | +}; |
| 124 | + |
| 125 | +export default ColorTableInput; |
0 commit comments