From 19c427f9d1446e28708993a8a906694d94642803 Mon Sep 17 00:00:00 2001
From: Valentyne Stigloher <pixunil@posteo.eu>
Date: Thu, 30 May 2024 14:58:58 +0200
Subject: [PATCH] (map) add bidirectional interactivity between map and links

---
 components/LanguageMap.vue | 17 +++++++++++++++--
 routes/select.vue          | 38 ++++++++++++++++++++++++++++++--------
 2 files changed, 45 insertions(+), 10 deletions(-)

diff --git a/components/LanguageMap.vue b/components/LanguageMap.vue
index 2ef1893bb..ebe180000 100644
--- a/components/LanguageMap.vue
+++ b/components/LanguageMap.vue
@@ -9,6 +9,7 @@
 
 
 <script lang="ts">
+import type { PropType } from 'vue';
 import dark from '../plugins/dark.ts';
 import walsLanguages from '~/assets/languages.csv';
 import polygonsByLocale from '~/assets/map.json';
@@ -37,11 +38,23 @@ declare module 'leaflet' {
 }
 
 export default dark.extend({
+    props: {
+        highlightedLocale: { default: null, type: String as PropType<string | null> },
+    },
     data() {
         return {
             polygons: {} as Record<string, L.Polygon[]>,
         };
     },
+    watch: {
+        highlightedLocale() {
+            for (const [locale, polygons] of Object.entries(this.polygons)) {
+                for (const polygon of polygons) {
+                    polygon.setStyle({ fillOpacity: locale === this.highlightedLocale ? 1 : 0.2 });
+                }
+            }
+        },
+    },
     async mounted() {
         const { default: L } = await import('leaflet');
         await import ('@elfalem/leaflet-curve');
@@ -129,10 +142,10 @@ export default dark.extend({
                 }).addTo(map);
                 circle.bindTooltip(`<strong>${locale.name}</strong><br/>${clearUrl(locale.url)}`, { opacity: 1 });
                 circle.on('mouseover', () => {
-                    this.polygons[locale.code].map((polygon) => polygon.setStyle({ fillOpacity: 1 }));
+                    this.$emit('update', locale.code);
                 });
                 circle.on('mouseout', () => {
-                    this.polygons[locale.code].map((polygon) => polygon.setStyle({ fillOpacity: 0.2 }));
+                    this.$emit('update', null);
                 });
                 circle.on('click', () => {
                     window.open(locale.url);
diff --git a/routes/select.vue b/routes/select.vue
index fecf527d1..c40379084 100644
--- a/routes/select.vue
+++ b/routes/select.vue
@@ -1,7 +1,24 @@
 <template>
     <Page>
+        <div class="list-group d-flex flex-wrap flex-row my-4">
+            <a
+                v-for="(options, locale) in $locales"
+                :key="locale"
+                :href="options.url"
+                :class="['list-group-item', 'list-group-item-action', locale === highlightedLocale ? 'list-group-item-highlighted' : '', 'w-md-50']"
+                @mouseenter="highlightedLocale = locale"
+                @mouseleave="highlightedLocale = null"
+            >
+                <div class="h3">
+                    <LocaleIcon :locale="options" class="mx-2" />
+                    {{ options.name }}
+                    <small v-if="options.extra" class="text-muted">({{ options.extra }})</small>
+                </div>
+            </a>
+        </div>
         <template #below>
-            <LanguageMap />
+            <!-- @vue-ignore -->
+            <LanguageMap :highlighted-locale="highlightedLocale" @update="(locale) => highlightedLocale = locale" />
             <p class="small text-muted my-3">
                 <Icon v="info-circle" />
                 The complexity of geographical reach of each language is represented in a simplified way
@@ -11,17 +28,22 @@
         </template>
     </Page>
 </template>
+<script lang="ts">
+import Vue from 'vue';
 
-<script setup lang="ts">
+export default Vue.extend({
+    data() {
+        return {
+            highlightedLocale: null as string | null,
+        };
+    },
+});
 </script>
 <style lang="scss" scoped>
     @import "assets/variables";
 
-    .list-group-item-hoverable {
-        &:hover {
-            color: $primary;
-            border-inline-start: 3px solid $primary;
-            padding-inline-start: calc(#{$list-group-item-padding-x} - 2px);
-        }
+    .list-group-item-highlighted {
+          border-left: 3px solid $primary !important;
+          padding-inline-start: calc(#{$list-group-item-padding-x} - 2px);
     }
 </style>