Start a different browse layout:

- get rid of the enormous list of scheme cards, and move the buttons
  into the intervention map popup
- group all of the schemes stuff and treat as a layer
- move the layers to the left

src/lib/browse/Filters.svelte

@@ -211,6 +211,17 @@
   }
 </script>
 
+<CheckboxGroup small>
+  <Checkbox bind:checked={show}>
+    Showing {schemesToBeShown.size.toLocaleString()} schemes ({counts.route.toLocaleString()}
+    routes, {counts.area.toLocaleString()} areas,
+    {counts.crossing.toLocaleString()} crossings, {counts.other.toLocaleString()}
+    other, with total LineString length of {metersToMiles(
+      counts.totalLength,
+    ).toFixed(1)} miles)
+  </Checkbox>
+</CheckboxGroup>
+
 <CollapsibleCard label="Filters">
   <SecondaryButton on:click={resetFilters}>Reset all filters</SecondaryButton>
   <Select
@@ -264,14 +275,3 @@
   </FormElement>
   <InterventionColorSelector />
 </CollapsibleCard>
-
-<CheckboxGroup small>
-  <Checkbox bind:checked={show}>
-    Showing {schemesToBeShown.size.toLocaleString()} schemes ({counts.route.toLocaleString()}
-    routes, {counts.area.toLocaleString()} areas,
-    {counts.crossing.toLocaleString()} crossings, {counts.other.toLocaleString()}
-    other, with total LineString length of {metersToMiles(
-      counts.totalLength,
-    ).toFixed(1)} miles)
-  </Checkbox>
-</CheckboxGroup>

src/lib/browse/InterventionPopup.svelte

@@ -1,6 +1,16 @@
 <script lang="ts">
+  import { SecondaryButton } from "govuk-svelte";
+  import type { FeatureCollection } from "geojson";
+  import { bbox } from "lib/maplibre";
+  import { map } from "stores";
   import { prettyPrintMeters } from "lib/maplibre";
-  import { filterInterventionText, filterSchemeText, schemes } from "./stores";
+  import {
+    filterInterventionText,
+    filterSchemeText,
+    schemes,
+    schemesGj,
+  } from "./stores";
+  import { setLocalStorageItem } from "lib/common";
   import DescribePipelineTiming from "./DescribePipelineTiming.svelte";
   import DescribePipelineBudget from "./DescribePipelineBudget.svelte";
 
@@ -18,6 +28,35 @@
       (match) => `<mark>${match}</mark>`,
     );
   }
+
+  function showScheme() {
+    // TODO Highlight on the map? Or fade everything else?
+    let gj: FeatureCollection = {
+      type: "FeatureCollection",
+      features: $schemesGj.features.filter(
+        (f) => f.properties.scheme_reference == scheme.scheme_reference,
+      ),
+    };
+    $map?.fitBounds(bbox(gj), { padding: 20, animate: false });
+  }
+
+  function editScheme() {
+    let gj = {
+      type: "FeatureCollection",
+      features: $schemesGj.features.filter(
+        (f) => f.properties.scheme_reference == scheme.scheme_reference,
+      ),
+    };
+    let filename = scheme.browse?.authority_or_region || "unknown authority";
+    // Assuming the schema is always v1
+
+    // Put the file in local storage, so it'll be loaded from the next page
+    setLocalStorageItem(filename, JSON.stringify(gj));
+    window.open(
+      `scheme.html?authority=${scheme.browse?.authority_or_region}`,
+      "_blank",
+    );
+  }
 </script>
 
 <div style="max-width: 30vw; max-height: 60vh; overflow: auto;">
@@ -95,4 +134,11 @@
     <DescribePipelineBudget props={p} />
     <DescribePipelineTiming props={p} />
   {/if}
+
+  <SecondaryButton on:click={showScheme}>
+    Zoom to show entire scheme
+  </SecondaryButton>
+  <SecondaryButton on:click={editScheme}>
+    Edit a copy of this scheme
+  </SecondaryButton>
 </div>

src/lib/browse/LayerControls.svelte

@@ -34,7 +34,8 @@
   import Stats19LayerControl from "./layers/points/Stats19.svelte";
   import VehicleCountsLayerControl from "./layers/points/VehicleCounts.svelte";
   import ProblemsLayerControl from "./layers/points/Problems.svelte";
-  import { interactiveMapLayersEnabled } from "./stores";
+  import SchemesLayer from "./SchemesLayer.svelte";
+  import { interactiveMapLayersEnabled, controls } from "./stores";
   import { getRoadLayerNames } from "lib/maplibre";
   import { get } from "svelte/store";
   import { map, mapStyle } from "stores";
@@ -71,7 +72,8 @@
   };
 </script>
 
-<CollapsibleCard label="Layers" open>
+<div bind:this={$controls}>
+  <SchemesLayer />
   <CollapsibleCard label="Trip generators">
     <CheckboxGroup small>
       <EducationLayerControl />
@@ -131,7 +133,7 @@
     <LineMeasureTool />
   </CollapsibleCard>
   <BaselayerSwitcher disabled={!$interactiveMapLayersEnabled} />
-</CollapsibleCard>
+</div>
 
 <GeoJSON data={coverEverything}>
   <FillLayer

src/lib/browse/SchemesLayer.svelte

@@ -0,0 +1,59 @@
+<script lang="ts">
+  import {
+    CollapsibleCard,
+    ErrorMessage,
+    FileInput,
+    SecondaryButton,
+  } from "govuk-svelte";
+  import { appVersion, Modal } from "lib/common";
+  import LoadRemoteSchemeData from "./LoadRemoteSchemeData.svelte";
+  import { processInput } from "./data";
+  import Filters from "./Filters.svelte";
+  import { schemes, schemesGj } from "./stores";
+  import InterventionLayer from "./InterventionLayer.svelte";
+
+  let schemesToBeShown: Set<string> = new Set();
+  let showSchemes = true;
+  let showSchemeNotes = false;
+
+  let errorMessage = "";
+
+  function loadFile(filename: string, text: string) {
+    try {
+      schemesGj.set(JSON.parse(text));
+      schemes.set(processInput($schemesGj));
+      errorMessage = "";
+    } catch (err) {
+      errorMessage = `The file you loaded is broken: ${err}`;
+    }
+  }
+</script>
+
+<CollapsibleCard label="Schemes">
+  {#if appVersion() == "Private (development)"}
+    <LoadRemoteSchemeData {loadFile} />
+  {/if}
+  {#if $schemesGj.notes}
+    <SecondaryButton on:click={() => (showSchemeNotes = true)}>
+      About the scheme data
+    </SecondaryButton>
+    <Modal title="About this scheme data" bind:open={showSchemeNotes}>
+      <div class="govuk-prose">
+        <p>Please note there are data quality caveats for all scheme data:</p>
+        <ul>
+          {#each $schemesGj.notes as note}
+            <li><p>{note}</p></li>
+          {/each}
+        </ul>
+      </div>
+    </Modal>
+  {/if}
+  <FileInput label="Load schemes from GeoJSON" onLoad={loadFile} />
+  <ErrorMessage {errorMessage} />
+
+  {#if $schemes.size > 0}
+    <Filters bind:schemesToBeShown bind:show={showSchemes} />
+  {/if}
+</CollapsibleCard>
+
+<InterventionLayer {showSchemes} />

src/lib/browse/stores.ts

@@ -11,3 +11,5 @@ export const schemes: Writable<Map<string, SchemeData>> = writable(new Map());
 export const interactiveMapLayersEnabled: Writable<boolean> = writable(true);
 export const filterInterventionText: Writable<string> = writable("");
 export const filterSchemeText: Writable<string> = writable("");
+
+export let controls: Writable<HTMLDivElement | null> = writable(null);

src/pages/BrowseSchemes.svelte

@@ -1,25 +1,18 @@
 <script lang="ts">
   // @ts-ignore no declarations
   import { initAll } from "govuk-frontend";
-  import { processInput } from "lib/browse/data";
-  import Filters from "lib/browse/Filters.svelte";
   import LayerControls from "lib/browse/LayerControls.svelte";
-  import LoadRemoteSchemeData from "lib/browse/LoadRemoteSchemeData.svelte";
-  import SchemeCard from "lib/browse/SchemeCard.svelte";
   import "../style/main.css";
-  import InterventionLayer from "lib/browse/InterventionLayer.svelte";
-  import { schemes, schemesGj } from "lib/browse/stores";
+  import { schemesGj, controls } from "lib/browse/stores";
   import {
     appVersion,
     Geocoder,
     Layout,
     LoggedIn,
     MapLibreMap,
-    Modal,
     ZoomOutMap,
     Header,
   } from "lib/common";
-  import { ErrorMessage, FileInput, SecondaryButton } from "govuk-svelte";
   import { map, mapStyle } from "stores";
   import { onMount } from "svelte";
   import { map as sketchMapStore } from "scheme-sketcher-lib/config";
@@ -31,25 +24,16 @@
 
   const params = new URLSearchParams(window.location.search);
   mapStyle.set(params.get("style") || "dataviz");
-  let errorMessage = "";
-
-  let schemesToBeShown: Set<string> = new Set();
-  let showSchemes = true;
-  let showSchemeNotes = false;
 
   // Need this for zordering to work
   $: if ($map) {
     sketchMapStore.set($map);
   }
 
-  function loadFile(filename: string, text: string) {
-    try {
-      schemesGj.set(JSON.parse(text));
-      schemes.set(processInput($schemesGj));
-      errorMessage = "";
-    } catch (err) {
-      errorMessage = `The file you loaded is broken: ${err}`;
-    }
+  let sidebarDiv: HTMLDivElement;
+  $: if (sidebarDiv && $controls) {
+    sidebarDiv.innerHTML = "";
+    sidebarDiv.appendChild($controls);
   }
 </script>
 
@@ -62,44 +46,13 @@
     </div>
     <LoggedIn />
     <p>App version: {appVersion()}</p>
-    {#if appVersion() == "Private (development)"}
-      <LoadRemoteSchemeData {loadFile} />
-    {/if}
-    {#if $schemesGj.notes}
-      <SecondaryButton on:click={() => (showSchemeNotes = true)}>
-        About the scheme data
-      </SecondaryButton>
-      <Modal title="About this scheme data" bind:open={showSchemeNotes}>
-        <div class="govuk-prose">
-          <p>Please note there are data quality caveats for all scheme data:</p>
-          <ul>
-            {#each $schemesGj.notes as note}
-              <li><p>{note}</p></li>
-            {/each}
-          </ul>
-        </div>
-      </Modal>
-    {/if}
-    <FileInput label="Load schemes from GeoJSON" onLoad={loadFile} />
-    <ErrorMessage {errorMessage} />
-
-    {#if $schemes.size > 0}
-      <Filters bind:schemesToBeShown bind:show={showSchemes} />
-    {/if}
 
-    <ul>
-      {#each $schemes.values() as scheme}
-        {#if schemesToBeShown.has(scheme.scheme_reference)}
-          <SchemeCard {scheme} />
-        {/if}
-      {/each}
-    </ul>
+    <div bind:this={sidebarDiv} />
   </div>
   <div slot="main">
     <MapLibreMap style={$mapStyle} startBounds={[-5.96, 49.89, 2.31, 55.94]}>
       <Geocoder />
       {#if $sketchMapStore}
-        <InterventionLayer {showSchemes} />
         <div class="top-right">
           <LayerControls />
         </div>