Files
2026-02-02 18:19:00 +00:00

129 lines
4.1 KiB
TypeScript

'use client';
import type { WidgetConfig, ChartData, HeatmapConfig } from '@/lib/pipeline-types';
import { WidgetWrapper } from './WidgetWrapper';
interface HeatmapWidgetProps {
config: WidgetConfig;
data: ChartData | null;
loading: boolean;
error?: string;
onRefresh?: () => void;
}
/**
* Heatmap widget for displaying 2D data grids.
*/
export function HeatmapWidget({
config,
data,
loading,
error,
onRefresh,
}: HeatmapWidgetProps) {
const heatmapConfig = config.config as unknown as HeatmapConfig;
const rawData = data?.data || [];
// Extract unique x and y values
const xValues = [...new Set(rawData.map((d) => d[heatmapConfig.x_key] as string))];
const yValues = [...new Set(rawData.map((d) => d[heatmapConfig.y_key] as string))];
// Find min/max values for color scaling
const values = rawData.map((d) => d[heatmapConfig.value_key] as number);
const minValue = Math.min(...values, 0);
const maxValue = Math.max(...values, 1);
// Create lookup map
const valueMap = new Map<string, number>();
rawData.forEach((d) => {
const key = `${d[heatmapConfig.y_key]}-${d[heatmapConfig.x_key]}`;
valueMap.set(key, d[heatmapConfig.value_key] as number);
});
// Get color for a value
const getColor = (value: number): string => {
const colors = heatmapConfig.color_scale || ['#f0fdf4', '#22c55e'];
const ratio = maxValue === minValue ? 0.5 : (value - minValue) / (maxValue - minValue);
// Simple interpolation between first and last color
if (colors.length === 2) {
return interpolateColor(colors[0], colors[1], ratio);
}
return colors[Math.min(Math.floor(ratio * colors.length), colors.length - 1)];
};
return (
<WidgetWrapper config={config} loading={loading} error={error} onRefresh={onRefresh}>
{rawData.length === 0 ? (
<div className="flex items-center justify-center h-full text-gray-500">
No data available
</div>
) : (
<div className="overflow-auto h-full">
<table className="min-w-full">
<thead>
<tr>
<th className="px-2 py-2 text-xs font-medium text-gray-500" />
{xValues.map((x) => (
<th
key={x}
className="px-2 py-2 text-xs font-medium text-gray-500 text-center"
>
{x}
</th>
))}
</tr>
</thead>
<tbody>
{yValues.map((y) => (
<tr key={y}>
<td className="px-2 py-2 text-xs font-medium text-gray-700">
{y}
</td>
{xValues.map((x) => {
const key = `${y}-${x}`;
const value = valueMap.get(key) || 0;
return (
<td
key={key}
className="px-2 py-2 text-center"
style={{ backgroundColor: getColor(value) }}
title={`${y}, ${x}: ${value}`}
>
{heatmapConfig.show_values && (
<span className="text-xs font-medium text-gray-800">
{value.toLocaleString()}
</span>
)}
</td>
);
})}
</tr>
))}
</tbody>
</table>
</div>
)}
</WidgetWrapper>
);
}
/**
* Interpolate between two hex colors.
*/
function interpolateColor(color1: string, color2: string, ratio: number): string {
const hex = (c: string) => parseInt(c, 16);
const r1 = hex(color1.slice(1, 3));
const g1 = hex(color1.slice(3, 5));
const b1 = hex(color1.slice(5, 7));
const r2 = hex(color2.slice(1, 3));
const g2 = hex(color2.slice(3, 5));
const b2 = hex(color2.slice(5, 7));
const r = Math.round(r1 + (r2 - r1) * ratio);
const g = Math.round(g1 + (g2 - g1) * ratio);
const b = Math.round(b1 + (b2 - b1) * ratio);
return `#${r.toString(16).padStart(2, '0')}${g.toString(16).padStart(2, '0')}${b.toString(16).padStart(2, '0')}`;
}