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import React, { useEffect, useMemo, useState } from 'react';
import type { AnsiTermColor, Grid } from '@/types/grid';
import { hexToAnsi } from '@/utils/ansi';
import { gridFromAscii } from '@/utils/grid';
import { HexColorPicker } from 'react-colorful';
import { GridComponent } from '../grid/GridComponent';
interface AnsiColorSwatchProps {
onSelect: (color: AnsiTermColor) => void;
defaultColors: AnsiTermColor[];
onClose?: () => void;
}
const STORAGE_KEY = 'ansicolor-history';
export const ColorSwatch: React.FC<AnsiColorSwatchProps> = ({
onSelect,
defaultColors,
}) => {
const [foregroundColor, setForegroundColor] = useState<string | null>(null);
const [backgroundColor, setBackgroundColor] = useState<string | null>(null);
// Initialize history from localStorage or defaults
const [history, setHistory] = useState<AnsiTermColor[]>(() => {
const savedHistory = localStorage.getItem(STORAGE_KEY);
if (savedHistory) {
try {
return JSON.parse(savedHistory);
} catch (e) {
console.error(
'Failed to parse color history from localStorage',
e,
);
}
}
return defaultColors;
});
useEffect(() => {
localStorage.setItem(STORAGE_KEY, JSON.stringify(history));
}, [history]);
const [selectedHistory, setSelectedHistory] = useState<number>(0);
const handleHistorySelection = (selected: number) => {
const color = history.at(selected);
if (color === undefined) return;
setSelectedHistory(selected);
// Update the hex color pickers
if (color.foreground) {
const hex = `#${[color.foreground.r, color.foreground.g, color.foreground.b]
.map(c => Math.round(c * 51).toString(16).padStart(2, '0'))
.join('')}`;
setForegroundColor(hex);
} else {
setForegroundColor(null);
}
if (color.background) {
const hex = `#${[color.background.r, color.background.g, color.background.b]
.map(c => Math.round(c * 51).toString(16).padStart(2, '0'))
.join('')}`;
setBackgroundColor(hex);
} else {
setBackgroundColor(null);
}
onSelect(color);
};
const handleColorSelect = () => {
// Only add to history if it has at least one non-null color
const hasColor = ansiColor.foreground !== null || ansiColor.background !== null;
if (hasColor) {
// Add to history if not already present
const colorExists = history.some(
(c) =>
JSON.stringify(c.foreground) ===
JSON.stringify(ansiColor.foreground) &&
JSON.stringify(c.background) ===
JSON.stringify(ansiColor.background),
);
if (!colorExists) {
setHistory((prev) => [ansiColor, ...prev]);
}
}
onSelect(ansiColor);
};
const ansiColor = useMemo((): AnsiTermColor => {
const [fg, bg] = [foregroundColor, backgroundColor].map((h) =>
h ? hexToAnsi(h) : null,
);
return { foreground: fg, background: bg };
}, [foregroundColor, backgroundColor]);
const previewGrid = useMemo(
(): Grid => gridFromAscii(butterfly, ansiColor),
[ansiColor],
);
return (
<div>
<div style={{ marginBottom: '0.75rem' }}>
<div style={{ display: 'flex', gap: '0.35rem', flexWrap: 'wrap', maxWidth: '350px', justifyContent: 'center' }}>
{history.map((color, idx) => {
const hasForeground = color.foreground !== null;
const hasBackground = color.background !== null;
return (
<div
key={idx}
onClick={() => handleHistorySelection(idx)}
style={{
cursor: 'pointer',
border:
selectedHistory === idx
? '2px solid var(--regular6)'
: '1px solid var(--regular3)',
borderRadius: '3px',
padding: '4px',
width: '28px',
height: '28px',
position: 'relative',
display: 'flex',
alignItems: 'center',
justifyContent: 'center',
fontSize: '16px',
lineHeight: 1,
overflow: 'hidden',
}}
>
{hasForeground && hasBackground ? (
<>
<div style={{
position: 'absolute',
top: 0,
left: 0,
width: '100%',
height: '50%',
backgroundColor: `rgb(${color.foreground!.r * 51}, ${color.foreground!.g * 51}, ${color.foreground!.b * 51})`,
}} />
<div style={{
position: 'absolute',
bottom: 0,
left: 0,
width: '100%',
height: '50%',
backgroundColor: `rgb(${color.background!.r * 51}, ${color.background!.g * 51}, ${color.background!.b * 51})`,
}} />
</>
) : hasForeground ? (
<div style={{
width: '100%',
height: '100%',
backgroundColor: `rgb(${color.foreground!.r * 51}, ${color.foreground!.g * 51}, ${color.foreground!.b * 51})`,
}} />
) : hasBackground ? (
<div style={{
width: '100%',
height: '100%',
backgroundColor: `rgb(${color.background!.r * 51}, ${color.background!.g * 51}, ${color.background!.b * 51})`,
}} />
) : (
<div style={{
width: '100%',
height: '100%',
background: 'linear-gradient(135deg, transparent 45%, var(--regular3) 45%, var(--regular3) 55%, transparent 55%)',
}} />
)}
</div>
);
})}
</div>
</div>
<div
style={{
display: 'flex',
flexDirection: 'row',
marginBottom: '1rem',
}}
>
<div style={{ padding: '1rem' }}>
<HexColorPicker
color={foregroundColor ?? ''}
onChange={setForegroundColor}
/>
<br />
<button onClick={() => setForegroundColor(null)}>
clear
</button>
</div>
<div style={{ padding: '1rem' }}>
<HexColorPicker
color={backgroundColor ?? ''}
onChange={setBackgroundColor}
/>
<br />
<button onClick={() => setBackgroundColor(null)}>
clear
</button>
</div>
</div>
<button
style={{ marginBottom: '1rem' }}
onClick={handleColorSelect}
>
use
</button>
<GridComponent onCellInteract={undefined} grid={previewGrid} />
</div>
);
};
const butterfly = `| |
| ⠀⠀⠀⠀⊹ |
| ⢶⢻⣑⣒⢤⡀⠀⢄⠀⠀⡠⠀⢀⡤⣆⣊⡿⡷ |
| ⠀⠹⠹⣚⣣⠻⣦⡀⠀⠀⢀⣴⠟⣸⢓⢎⠏⠀ |
| ⠀⠀⢡⣱⣖⣢⡾⢿⣾⣷⡿⢷⣖⣒⣎⡎⠀⠀ |
| ⠀⠀⠀⣠⠓⢬⠅⡺⢻⡟⢗⠨⡥⠚⣄⠀⠀⠀ |
| ⠀⠀⠀⣿⡆⠘⠆⢇⢸⡇⠸⠰⠃⢰⣿⠀⠀⠀ |
| ⠀⠀⠀⠐⡻⣮⣬⠞⠈⠁⠳⣤⣴⢿⠂⠀⠀⠀ |
| ⠀⠀⠀⡜⠀⠁⠉⠀⠀⠀⠀⠈⠈⠀⢣⠀⠀⠀ |
| ⊹ |
| |`;
|
