From 1a8dfb397564fbeb83bc8aaf61dc296d71e93493 Mon Sep 17 00:00:00 2001
From: simonredfern <simon@tesobe.com>
Date: Mon, 8 Dec 2025 19:25:01 +0100
Subject: [PATCH] Svelte drop downs for Version and Message Docs

---
 components.d.ts                   |   7 +-
 src-svelte/Dropdown.svelte        | 258 ++++++++++++++++++++++++++++++
 src/components/HeaderNav.vue      |  72 ++++-----
 src/components/SvelteDropdown.vue | 123 ++++++++++++++
 src/router/index.ts               |   6 +
 src/views/MessageDocsListView.vue | 107 +++++++++++++
 svelte.config.mjs                 |  12 ++
 vite.config.mts                   |   4 +-
 8 files changed, 539 insertions(+), 50 deletions(-)
 create mode 100644 src-svelte/Dropdown.svelte
 create mode 100644 src/components/SvelteDropdown.vue
 create mode 100644 src/views/MessageDocsListView.vue
 create mode 100644 svelte.config.mjs

diff --git a/components.d.ts b/components.d.ts
index 680c1d0..a832d5d 100644
--- a/components.d.ts
+++ b/components.d.ts
@@ -22,9 +22,6 @@ declare module 'vue' {
     ElCollapse: typeof import('element-plus/es')['ElCollapse']
     ElCollapseItem: typeof import('element-plus/es')['ElCollapseItem']
     ElContainer: typeof import('element-plus/es')['ElContainer']
-    ElContainter: typeof import('element-plus/es')['ElContainter']
-    ElDescriptions: typeof import('element-plus/es')['ElDescriptions']
-    ElDescriptionsItem: typeof import('element-plus/es')['ElDescriptionsItem']
     ElDivider: typeof import('element-plus/es')['ElDivider']
     ElDropdown: typeof import('element-plus/es')['ElDropdown']
     ElDropdownItem: typeof import('element-plus/es')['ElDropdownItem']
@@ -36,8 +33,6 @@ declare module 'vue' {
     ElIcon: typeof import('element-plus/es')['ElIcon']
     ElInput: typeof import('element-plus/es')['ElInput']
     ElMain: typeof import('element-plus/es')['ElMain']
-    ElMenu: typeof import('element-plus/es')['ElMenu']
-    ElMenuItem: typeof import('element-plus/es')['ElMenuItem']
     ElRow: typeof import('element-plus/es')['ElRow']
     ElScrollbar: typeof import('element-plus/es')['ElScrollbar']
     ElTag: typeof import('element-plus/es')['ElTag']
@@ -45,12 +40,12 @@ declare module 'vue' {
     GlossarySearchNav: typeof import('./src/components/GlossarySearchNav.vue')['default']
     HeaderNav: typeof import('./src/components/HeaderNav.vue')['default']
     Menu: typeof import('./src/components/Menu.vue')['default']
-    MessageDocsContent: typeof import('./src/components/MessageDocsContent.vue')['default']
     MessageDocsSearchNav: typeof import('./src/components/MessageDocsSearchNav.vue')['default']
     Preview: typeof import('./src/components/Preview.vue')['default']
     RouterLink: typeof import('vue-router')['RouterLink']
     RouterView: typeof import('vue-router')['RouterView']
     SearchNav: typeof import('./src/components/SearchNav.vue')['default']
+    SvelteDropdown: typeof import('./src/components/SvelteDropdown.vue')['default']
     ToolCall: typeof import('./src/components/ToolCall.vue')['default']
   }
 }
diff --git a/src-svelte/Dropdown.svelte b/src-svelte/Dropdown.svelte
new file mode 100644
index 0000000..b965557
--- /dev/null
+++ b/src-svelte/Dropdown.svelte
@@ -0,0 +1,258 @@
+<!--
+  - Open Bank Project -  API Explorer II
+  - Copyright (C) 2023-2024, TESOBE GmbH
+  -
+  - This program is free software: you can redistribute it and/or modify
+  - it under the terms of the GNU Affero General Public License as published by
+  - the Free Software Foundation, either version 3 of the License, or
+  - (at your option) any later version.
+  -
+  - This program is distributed in the hope that it will be useful,
+  - but WITHOUT ANY WARRANTY; without even the implied warranty of
+  - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  - GNU Affero General Public License for more details.
+  -
+  - You should have received a copy of the GNU Affero General Public License
+  - along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  -
+  - Email: contact@tesobe.com
+  - TESOBE GmbH
+  - Osloerstrasse 16/17
+  - Berlin 13359, Germany
+  -
+  -   This product includes software developed at
+  -   TESOBE (http://www.tesobe.com/)
+  -
+  -->
+
+<script lang="ts">
+  interface Props {
+    label?: string
+    items?: string[]
+    hoverColor?: string
+    backgroundColor?: string
+  }
+
+  let {
+    label = 'Dropdown',
+    items = [],
+    hoverColor = '#32b9ce',
+    backgroundColor = '#e8f4f8'
+  }: Props = $props()
+
+  let isOpen = $state(false)
+  let dropdownRef = $state<HTMLDivElement>()
+  let timeoutId: number | null = null
+
+  function handleMouseEnter() {
+    if (timeoutId) {
+      clearTimeout(timeoutId)
+      timeoutId = null
+    }
+    isOpen = true
+  }
+
+  function handleMouseLeave() {
+    timeoutId = window.setTimeout(() => {
+      isOpen = false
+    }, 1000)
+  }
+
+  function handleSelect(item: string) {
+    const event = new CustomEvent('select', {
+      detail: item,
+      bubbles: true,
+      composed: true
+    })
+    dropdownRef?.dispatchEvent(event)
+    isOpen = false
+  }
+
+  function handleClickOutside(event: MouseEvent) {
+    if (dropdownRef && !dropdownRef.contains(event.target as Node)) {
+      isOpen = false
+    }
+  }
+
+  function handleEscape(event: KeyboardEvent) {
+    if (event.key === 'Escape') {
+      isOpen = false
+    }
+  }
+
+  $effect(() => {
+    if (isOpen) {
+      document.addEventListener('click', handleClickOutside)
+      document.addEventListener('keydown', handleEscape)
+      return () => {
+        document.removeEventListener('click', handleClickOutside)
+        document.removeEventListener('keydown', handleEscape)
+      }
+    }
+  })
+</script>
+
+<div
+  bind:this={dropdownRef}
+  class="dropdown-container"
+  style:--hover-bg={backgroundColor}
+  style:--hover-color={hoverColor}
+  onmouseenter={handleMouseEnter}
+  onmouseleave={handleMouseLeave}
+  role="navigation"
+>
+  <button
+    class="dropdown-trigger"
+    onclick={() => isOpen = !isOpen}
+    aria-expanded={isOpen}
+    aria-haspopup="true"
+  >
+    {label}
+    <svg
+      class="arrow-icon"
+      class:rotated={isOpen}
+      viewBox="0 0 1024 1024"
+      xmlns="http://www.w3.org/2000/svg"
+    >
+      <path fill="currentColor" d="M831.872 340.864 512 652.672 192.128 340.864a30.592 30.592 0 0 0-42.752 0 29.12 29.12 0 0 0 0 41.6L489.664 714.24a32 32 0 0 0 44.672 0l340.288-331.712a29.12 29.12 0 0 0 0-41.728 30.592 30.592 0 0 0-42.752 0z"></path>
+    </svg>
+  </button>
+
+  {#if isOpen}
+    <div class="dropdown-menu">
+      <div class="dropdown-content">
+        {#each items as item}
+          <button
+            class="dropdown-item"
+            onclick={() => handleSelect(item)}
+          >
+            {item}
+          </button>
+        {/each}
+      </div>
+    </div>
+  {/if}
+</div>
+
+<style>
+  .dropdown-container {
+    position: relative;
+    display: inline-block;
+  }
+
+  .dropdown-trigger {
+    padding: 9px;
+    margin: 3px;
+    color: #39455f;
+    font-family: 'Roboto', sans-serif;
+    font-size: 14px;
+    text-decoration: none;
+    border-radius: 8px;
+    background: transparent;
+    border: none;
+    cursor: pointer;
+    display: inline-flex;
+    align-items: center;
+    gap: 4px;
+    transition: all 0.2s ease;
+  }
+
+  .dropdown-trigger:hover {
+    background-color: var(--hover-bg) !important;
+    color: var(--hover-color) !important;
+  }
+
+  .arrow-icon {
+    width: 14px;
+    height: 14px;
+    transition: transform 0.3s ease;
+  }
+
+  .arrow-icon.rotated {
+    transform: rotate(180deg);
+  }
+
+  .dropdown-menu {
+    position: absolute;
+    top: 100%;
+    right: 0;
+    margin-top: 4px;
+    background: white;
+    border: 1px solid #e4e7ed;
+    border-radius: 8px;
+    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
+    z-index: 2000;
+    min-width: 180px;
+    max-width: 280px;
+    animation: fadeIn 0.2s ease;
+  }
+
+  @keyframes fadeIn {
+    from {
+      opacity: 0;
+      transform: translateY(-8px);
+    }
+    to {
+      opacity: 1;
+      transform: translateY(0);
+    }
+  }
+
+  .dropdown-content {
+    max-height: 400px;
+    overflow-y: auto;
+    padding: 6px 0;
+  }
+
+  .dropdown-item {
+    width: 100%;
+    padding: 10px 20px;
+    margin: 0;
+    color: #606266;
+    font-family: 'Roboto', sans-serif;
+    font-size: 14px;
+    text-align: left;
+    background: transparent;
+    border: none;
+    cursor: pointer;
+    transition: all 0.2s ease;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+  }
+
+  .dropdown-item:hover {
+    background-color: var(--hover-bg);
+    color: var(--hover-color);
+  }
+
+  .dropdown-item:active {
+    background-color: var(--hover-bg);
+    opacity: 0.8;
+  }
+
+  /* Custom scrollbar styling */
+  .dropdown-content::-webkit-scrollbar {
+    width: 6px;
+  }
+
+  .dropdown-content::-webkit-scrollbar-track {
+    background: #f5f5f5;
+    border-radius: 3px;
+  }
+
+  .dropdown-content::-webkit-scrollbar-thumb {
+    background: #c1c1c1;
+    border-radius: 3px;
+  }
+
+  .dropdown-content::-webkit-scrollbar-thumb:hover {
+    background: #a8a8a8;
+  }
+
+  /* Firefox scrollbar */
+  .dropdown-content {
+    scrollbar-width: thin;
+    scrollbar-color: #c1c1c1 #f5f5f5;
+  }
+</style>
diff --git a/src/components/HeaderNav.vue b/src/components/HeaderNav.vue
index 76a5b50..6b80aa5 100644
--- a/src/components/HeaderNav.vue
+++ b/src/components/HeaderNav.vue
@@ -27,7 +27,6 @@
 
 <script setup lang="ts">
 import { ref, inject, watchEffect, onMounted, computed } from 'vue'
-import { ArrowDown } from '@element-plus/icons-vue'
 import { useRoute, useRouter } from 'vue-router'
 import { OBP_API_DEFAULT_RESOURCE_DOC_VERSION, getCurrentUser } from '../obp'
 import { getOBPAPIVersions } from '../obp/api-version'
@@ -38,6 +37,7 @@ import {
   HEADER_LINKS_BACKGROUND_COLOR as headerLinksBackgroundColorSetting
 } from '../obp/style-setting'
 import { obpApiActiveVersionsKey, obpGroupedMessageDocsKey, obpMyCollectionsEndpointKey } from '@/obp/keys'
+import SvelteDropdown from './SvelteDropdown.vue'
 
 const route = useRoute()
 const router = useRouter()
@@ -82,7 +82,11 @@ const handleMore = (command: string) => {
   if (element !== null) {
     element.textContent = command;
   }
-  if (command.includes('_')) {
+  if (command === '/message-docs') {
+    // Navigate to message docs list
+    console.log('Navigating to message docs list')
+    router.push({ name: 'message-docs-list' })
+  } else if (command.includes('_')) {
     console.log('Navigating to message docs:', command)
     router.push({ name: 'message-docs', params: { id: command } })
   } else {
@@ -145,31 +149,24 @@ const getCurrentPath = () => {
       <a v-if="showObpApiManagerButton && hasObpApiManagerHost" v-bind:href="obpApiManagerHost" class="router-link" id="header-nav-api-manager">
         {{ $t('header.api_manager') }}
       </a>
-      <el-dropdown
-        class="menu-right router-link"
-        id="header-nav-more"
-        @command="handleMore"
-        trigger="hover"
-        placement="bottom-end"
-        :teleported="true"
-        max-height="700px"
-      >
-        <span class="el-dropdown-link">
-          {{ $t('header.more') }}
-          <el-icon class="el-icon--right">
-            <arrow-down />
-          </el-icon>
-        </span>
-        <template #dropdown>
-          <el-dropdown-menu>
-            <el-dropdown-item v-for="value in obpApiVersions" :command="value" :key="value">{{
-              value
-            }}</el-dropdown-item>
-            <el-dropdown-item v-for="value in obpMessageDocs" :command="value" :key="value">
-              Message Docs for: {{ value }}</el-dropdown-item>
-          </el-dropdown-menu>
-        </template>
-      </el-dropdown>
+      <SvelteDropdown
+        class="menu-right"
+        id="header-nav-versions"
+        label="Versions"
+        :items="obpApiVersions"
+        :hover-color="headerLinksHoverColor"
+        :background-color="headerLinksBackgroundColor"
+        @select="handleMore"
+      />
+      <SvelteDropdown
+        class="menu-right"
+        id="header-nav-message-docs"
+        label="Message Docs"
+        :items="obpMessageDocs"
+        :hover-color="headerLinksHoverColor"
+        :background-color="headerLinksBackgroundColor"
+        @select="handleMore"
+      />
       <!--<span class="el-dropdown-link">
         <RouterLink class="router-link" id="header-nav-spaces" to="/spaces">{{
           $t('header.spaces')
@@ -261,21 +258,10 @@ a.logoff-button {
   color: #39455f;
 }
 
-/*override element plus*/
-.el-dropdown-menu__item:hover {
-  color: v-bind(headerLinksHoverColor) !important;
-}
-
-/* Fix dropdown menu overflow */
-.el-dropdown-menu {
-  max-height: 400px;
-  overflow-y: auto;
-}
-
-/* Ensure dropdown trigger behaves correctly */
-#header-nav-more .el-dropdown-link {
-  cursor: pointer;
-  display: inline-flex;
-  align-items: center;
+/* Custom dropdown containers */
+#header-nav-versions,
+#header-nav-message-docs {
+  display: inline-block;
+  vertical-align: middle;
 }
 </style>
diff --git a/src/components/SvelteDropdown.vue b/src/components/SvelteDropdown.vue
new file mode 100644
index 0000000..a8ccab9
--- /dev/null
+++ b/src/components/SvelteDropdown.vue
@@ -0,0 +1,123 @@
+<!--
+  - Open Bank Project -  API Explorer II
+  - Copyright (C) 2023-2024, TESOBE GmbH
+  -
+  - This program is free software: you can redistribute it and/or modify
+  - it under the terms of the GNU Affero General Public License as published by
+  - the Free Software Foundation, either version 3 of the License, or
+  - (at your option) any later version.
+  -
+  - This program is distributed in the hope that it will be useful,
+  - but WITHOUT ANY WARRANTY; without even the implied warranty of
+  - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  - GNU Affero General Public License for more details.
+  -
+  - You should have received a copy of the GNU Affero General Public License
+  - along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  -
+  - Email: contact@tesobe.com
+  - TESOBE GmbH
+  - Osloerstrasse 16/17
+  - Berlin 13359, Germany
+  -
+  -   This product includes software developed at
+  -   TESOBE (http://www.tesobe.com/)
+  -
+  -->
+
+<script setup lang="ts">
+import { ref, onMounted, onBeforeUnmount, watch } from 'vue'
+import { mount, unmount } from 'svelte'
+import Dropdown from '../../src-svelte/Dropdown.svelte'
+
+interface Props {
+  label?: string
+  items?: string[]
+  hoverColor?: string
+  backgroundColor?: string
+}
+
+const props = withDefaults(defineProps<Props>(), {
+  label: 'Dropdown',
+  items: () => [],
+  hoverColor: '#32b9ce',
+  backgroundColor: '#e8f4f8'
+})
+
+const emit = defineEmits<{
+  select: [value: string]
+}>()
+
+const containerRef = ref<HTMLDivElement>()
+let svelteComponent: any = null
+
+onMounted(() => {
+  if (containerRef.value) {
+    try {
+      svelteComponent = mount(Dropdown, {
+        target: containerRef.value,
+        props: {
+          label: props.label,
+          items: props.items,
+          hoverColor: props.hoverColor,
+          backgroundColor: props.backgroundColor
+        }
+      })
+
+      // Listen for the custom 'select' event from Svelte component
+      containerRef.value.addEventListener('select', (event: Event) => {
+        const customEvent = event as CustomEvent
+        emit('select', customEvent.detail)
+      })
+    } catch (error) {
+      console.error('Failed to mount Svelte Dropdown:', error)
+    }
+  }
+})
+
+onBeforeUnmount(() => {
+  if (svelteComponent) {
+    try {
+      unmount(svelteComponent)
+    } catch (error) {
+      console.error('Failed to unmount Svelte Dropdown:', error)
+    }
+  }
+})
+
+// Watch for prop changes and update Svelte component
+watch(
+  () => props.items,
+  (newItems) => {
+    if (svelteComponent && containerRef.value) {
+      // Remount with new props
+      unmount(svelteComponent)
+      svelteComponent = mount(Dropdown, {
+        target: containerRef.value,
+        props: {
+          label: props.label,
+          items: newItems,
+          hoverColor: props.hoverColor,
+          backgroundColor: props.backgroundColor
+        }
+      })
+
+      // Re-add event listener
+      containerRef.value.addEventListener('select', (event: Event) => {
+        const customEvent = event as CustomEvent
+        emit('select', customEvent.detail)
+      })
+    }
+  }
+)
+</script>
+
+<template>
+  <div ref="containerRef" class="svelte-dropdown-wrapper"></div>
+</template>
+
+<style scoped>
+.svelte-dropdown-wrapper {
+  display: inline-block;
+}
+</style>
diff --git a/src/router/index.ts b/src/router/index.ts
index 5a16e97..22515e4 100644
--- a/src/router/index.ts
+++ b/src/router/index.ts
@@ -29,6 +29,7 @@ import { createRouter, createWebHistory } from 'vue-router'
 import GlossaryView from '../views/GlossaryView.vue'
 import HelpView from '../views/HelpView.vue'
 import MessageDocsView from '../views/MessageDocsView.vue'
+import MessageDocsListView from '../views/MessageDocsListView.vue'
 import BodyView from '../views/BodyView.vue'
 import Content from '../components/Content.vue'
 import Preview from '../components/Preview.vue'
@@ -63,6 +64,11 @@ export default async function router(): Promise<any> {
         name: 'help',
         component: isServerActive ? HelpView : InternalServerErrorView
       },
+      {
+        path: '/message-docs',
+        name: 'message-docs-list',
+        component: isServerActive ? MessageDocsListView : InternalServerErrorView
+      },
       {
         path: '/message-docs/:id',
         name: 'message-docs',
diff --git a/src/views/MessageDocsListView.vue b/src/views/MessageDocsListView.vue
new file mode 100644
index 0000000..fad2c6a
--- /dev/null
+++ b/src/views/MessageDocsListView.vue
@@ -0,0 +1,107 @@
+<!--
+  - Open Bank Project -  API Explorer II
+  - Copyright (C) 2023-2024, TESOBE GmbH
+  -
+  - This program is free software: you can redistribute it and/or modify
+  - it under the terms of the GNU Affero General Public License as published by
+  - the Free Software Foundation, either version 3 of the License, or
+  - (at your option) any later version.
+  -
+  - This program is distributed in the hope that it will be useful,
+  - but WITHOUT ANY WARRANTY; without even the implied warranty of
+  - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  - GNU Affero General Public License for more details.
+  -
+  - You should have received a copy of the GNU Affero General Public License
+  - along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  -
+  - Email: contact@tesobe.com
+  - TESOBE GmbH
+  - Osloerstrasse 16/17
+  - Berlin 13359, Germany
+  -
+  -   This product includes software developed at
+  -   TESOBE (http://www.tesobe.com/)
+  -
+  -->
+
+<script setup lang="ts">
+import { ref, inject, computed } from 'vue'
+import { useRouter } from 'vue-router'
+import { obpGroupedMessageDocsKey } from '@/obp/keys'
+
+const router = useRouter()
+const groupedMessageDocs = ref(inject(obpGroupedMessageDocsKey)!)
+
+const connectorList = computed(() => {
+  return Object.keys(groupedMessageDocs.value || {}).sort()
+})
+
+function navigateToConnector(connectorId: string) {
+  router.push(`/message-docs/${connectorId}`)
+}
+</script>
+
+<template>
+  <el-container class="message-docs-list-container">
+    <el-main>
+      <h1>Message Documentation</h1>
+
+      <div class="message-docs-list">
+        <div v-if="connectorList.length === 0" class="empty-message">
+          No message documentation available
+        </div>
+        <div v-else>
+          <a
+            v-for="connector in connectorList"
+            :key="connector"
+            @click="navigateToConnector(connector)"
+            class="message-doc-link"
+          >
+            {{ connector }}
+          </a>
+        </div>
+      </div>
+    </el-main>
+  </el-container>
+</template>
+
+<style scoped>
+.message-docs-list-container {
+  min-height: calc(100vh - 60px);
+  padding: 2rem;
+}
+
+h1 {
+  font-size: 1.5rem;
+  font-weight: 600;
+  color: #303133;
+  margin-bottom: 1.5rem;
+}
+
+.message-docs-list {
+  display: flex;
+  flex-direction: column;
+  gap: 0.5rem;
+}
+
+.message-doc-link {
+  padding: 12px 16px;
+  color: #409eff;
+  text-decoration: none;
+  cursor: pointer;
+  border-radius: 4px;
+  transition: background-color 0.2s;
+  display: block;
+}
+
+.message-doc-link:hover {
+  background-color: #ecf5ff;
+  color: #337ecc;
+}
+
+.empty-message {
+  color: #909399;
+  font-style: italic;
+}
+</style>
diff --git a/svelte.config.mjs b/svelte.config.mjs
new file mode 100644
index 0000000..4c83c4b
--- /dev/null
+++ b/svelte.config.mjs
@@ -0,0 +1,12 @@
+import { vitePreprocess } from '@sveltejs/vite-plugin-svelte'
+
+export default {
+  // Consult https://svelte.dev/docs#compile-time-svelte-preprocess
+  // for more information about preprocessors
+  preprocess: vitePreprocess(),
+
+  compilerOptions: {
+    // Enable runes mode for Svelte 5
+    runes: true
+  }
+}
diff --git a/vite.config.mts b/vite.config.mts
index 1450e8c..cb8ff1c 100644
--- a/vite.config.mts
+++ b/vite.config.mts
@@ -3,6 +3,7 @@ import { fileURLToPath, URL } from 'node:url'
 import { loadEnv, defineConfig } from 'vite'
 import vue from '@vitejs/plugin-vue'
 import vueJsx from '@vitejs/plugin-vue-jsx'
+import { svelte } from '@sveltejs/vite-plugin-svelte'
 
 import AutoImport from 'unplugin-auto-import/vite'
 import Components from 'unplugin-vue-components/vite'
@@ -14,6 +15,7 @@ export default defineConfig({
   plugins: [
     vue(),
     vueJsx(),
+    svelte(),
     AutoImport({
       resolvers: [ElementPlusResolver()]
     }),
@@ -28,7 +30,7 @@ export default defineConfig({
     alias: {
       '@': fileURLToPath(new URL('./src', import.meta.url))
     },
-    extensions: ['.mjs', '.js', '.mts', '.ts', '.jsx', '.tsx', '.json', '.vue']
+    extensions: ['.mjs', '.js', '.mts', '.ts', '.jsx', '.tsx', '.json', '.vue', '.svelte']
   },
   define: {
     __VUE_I18N_FULL_INSTALL__: true,