ClevelandDotPlot.percent-range.html.svelte component

<!--
  @component
  Generates an HTML Cleveland dot plot, also known as a lollipop-chart.
 -->
<script>
  import { getContext } from 'svelte';

  const { data, xGet, yGet, zScale, yScale, config } = getContext('LayerCake');

  /** @type {Number} [r=5] - The circle radius. */
  export let r = 5;

  $: midHeight = $yScale.bandwidth() / 2;
</script>

<div class="dot-plot">
  {#each $data as row}
    {@const scaledYValue = $yGet(row)}
    {@const scaledXValues = $xGet(row)}
    <div class="dot-row">
      <div
        class="line"
        style="
          left: {Math.min(...scaledXValues)}%;
          top: {scaledYValue + midHeight}%;
          right: {100 - Math.max(...scaledXValues)}%;
        "
      ></div>

      {#each scaledXValues as circleX, i}
        <div
          class="circle"
          style="
            left: {circleX}%;
            top: {scaledYValue + midHeight}%;
            width: {r * 2}px;
            height: {r * 2}px;
            background: {$zScale($config.x[i])};
          "
        ></div>
      {/each}
    </div>
  {/each}
</div>

<style>
  .line {
    position: absolute;
    border-bottom: 1px solid #000;
  }
  .circle {
    position: absolute;
    border-radius: 50%;
    border: 1px solid #000;
    stroke: #000;
    transform: translate(-50%, -50%);
  }
</style>