demo D175

Colour schemes in React

Built-in palettes, the default colour-blind safe

scheme: 'default' · 'bright' · 'earth' · 'mono'

This shows the built-in colour palettes, with the default chosen to be colour-blind safe. It lets you match a chart to your product's palette while keeping the categories distinguishable for every reader.

Building…

Loading a live grid…

This is the React version. The grid mounts through the createLatticeGrid adapter, which takes its configuration as ordinary props and hands back the live grid through a ref. The grid below is the same one every other tab runs.

The configuration

<link rel="stylesheet" href="https://cdn.latticegrid.dev/lattice-grid@1.107.0/lattice-grid.min.css">

<div id="app"></div>

<script type="module">
  import React from 'https://esm.sh/react@18';
  import { createRoot } from 'https://esm.sh/react-dom@18/client';
  import { createGrid } from 'https://cdn.latticegrid.dev/lattice-grid@1.107.0/lattice-grid.esm.min.js';
  import { createLatticeReact } from 'https://cdn.latticegrid.dev/lattice-grid@1.107.0/modules/react.esm.min.js';
  import { createChart } from 'https://cdn.latticegrid.dev/lattice-grid@1.107.0/modules/charts.esm.min.js';

  const { LatticeGrid, LatticeChart } = createLatticeReact({ React, createGrid, createChart });

  const columns = [
    { field: 'circuit', title: 'Circuit', layout: { width: 180 } },
    { field: 'region', title: 'Region', filter: { type: 'set' } },
    { field: 'status', title: 'Status', filter: { type: 'set' } },
    { field: 'bandwidth', title: 'Bandwidth', type: 'number' },
    { field: 'charge', title: 'Monthly charge', type: 'number',
      format: { style: 'currency', currency: 'GBP' }, total: 'sum' },
  ];

  const rows = [/* circuit records */];

  function App() {
    const [grid, setGrid] = React.useState(null);

    // scheme picks the palette. The default is the colour-blind-safe one.
    return (
      <>
        {grid && (
          <div style={{ display: 'grid', gridTemplateColumns: 'repeat(2, 1fr)', gap: '14px', height: '210px' }}>
            <LatticeChart grid={grid} type="pie" x="region" y="charge" scheme="default" title="default" />
            <LatticeChart grid={grid} type="pie" x="region" y="charge" scheme="bright" title="bright" />
            <LatticeChart grid={grid} type="pie" x="region" y="charge" scheme="earth" title="earth" />
            <LatticeChart grid={grid} type="pie" x="region" y="charge" scheme="mono" title="mono" />
          </div>
        )}
        <LatticeGrid
          rowKey="id"
          columns={columns}
          rows={rows}
          onGridReady={setGrid}
          style={{ height: '340px', marginTop: '14px' }}
        />
      </>
    );
  }

  createRoot(document.getElementById('app')).render(<App />);
</script>