src/components/FolderPageView.vue

@@ -23,6 +23,7 @@ const emit = defineEmits<{
   select: [folder: CollectionObject]
   createFolder: [service: ServiceObject, parentFolder: CollectionObject | null]
   editFolder: [service: ServiceObject, folder: CollectionObject]
+  moveFolder: [service: ServiceObject, folder: CollectionObject]
   deleteFolder: [service: ServiceObject, folder: CollectionObject]
 }>()
 
@@ -43,6 +44,10 @@ const getCurrentPageLevel = (service: ServiceObject): (string | number | null)[]
 
 // Get folders for current page level
 const getCurrentPageFolders = (service: ServiceObject): CollectionObject[] => {
+  if (service.identifier === null) {
+    return []
+  }
+
   const level = getCurrentPageLevel(service)
   const currentParent = level[level.length - 1]
   return collectionsStore.collectionsInCollection(service.provider, service.identifier, currentParent)
@@ -54,6 +59,10 @@ const hasChildren = (folder: CollectionObject): boolean => {
 }
 
 const getServiceFolders = (service: ServiceObject): CollectionObject[] => {
+  if (service.identifier === null) {
+    return []
+  }
+
   return collectionsStore.collectionsForService(service.provider, service.identifier)
 }
 
@@ -132,6 +141,10 @@ const navigateBack = (service: ServiceObject) => {
 
 // Get breadcrumb label for current page
 const getCurrentBreadcrumb = (service: ServiceObject): string => {
+  if (service.identifier === null) {
+    return 'Folders'
+  }
+
   const level = getCurrentPageLevel(service)
   const currentParent = level[level.length - 1]
   if (currentParent === null) return 'All Folders'
@@ -148,6 +161,10 @@ const getCurrentBreadcrumb = (service: ServiceObject): string => {
 
 // Get current parent folder for dialog context
 const getCurrentParentFolder = (service: ServiceObject): CollectionObject | null => {
+  if (service.identifier === null) {
+    return null
+  }
+
   const level = getCurrentPageLevel(service)
   const currentParent = level[level.length - 1]
   if (currentParent === null) return null
@@ -276,6 +293,12 @@ const getCurrentParentFolder = (service: ServiceObject): CollectionObject | null
                 >
                   <v-list-item-title>New Subfolder</v-list-item-title>
                 </v-list-item>
+                <v-list-item
+                  prepend-icon="mdi-folder-move"
+                  @click="emit('moveFolder', group.service, folder)"
+                >
+                  <v-list-item-title>Move Folder</v-list-item-title>
+                </v-list-item>
                 <v-list-item
                   v-if="canDeleteFolder(folder)"
                   prepend-icon="mdi-delete"
@@ -433,6 +456,12 @@ const getCurrentParentFolder = (service: ServiceObject): CollectionObject | null
                 >
                   <v-list-item-title>New Subfolder</v-list-item-title>
                 </v-list-item>
+                <v-list-item
+                  prepend-icon="mdi-folder-move"
+                  @click="emit('moveFolder', group.service, folder)"
+                >
+                  <v-list-item-title>Move Folder</v-list-item-title>
+                </v-list-item>
                 <v-list-item
                   v-if="canDeleteFolder(folder)"
                   prepend-icon="mdi-delete"

src/components/FolderSelectionDialog.vue

@@ -1,7 +1,6 @@
 <script setup lang="ts">
 import { computed, ref, watch } from 'vue'
 import { useCollectionsStore } from '@MailManager/stores/collectionsStore'
-import { useServicesStore } from '@MailManager/stores/servicesStore'
 import { useMailStore } from '@/stores/mailStore'
 import type { ServiceObject, CollectionObject } from '@MailManager/models'
 import FolderSelectionTreeNode from './FolderSelectionTreeNode.vue'
@@ -12,6 +11,8 @@ interface Props {
   title?: string
   confirmText?: string
   emptyText?: string
+  service?: ServiceObject | null
+  disabledFolderKeys?: string[]
 }
 
 const props = withDefaults(defineProps<Props>(), {
@@ -19,6 +20,8 @@ const props = withDefaults(defineProps<Props>(), {
   title: 'Move To',
   confirmText: 'Move',
   emptyText: 'No folders are available.',
+  service: null,
+  disabledFolderKeys: () => [],
 })
 
 const emit = defineEmits<{
@@ -28,7 +31,6 @@ const emit = defineEmits<{
 }>()
 
 const collectionsStore = useCollectionsStore()
-const servicesStore = useServicesStore()
 const mailStore = useMailStore()
 
 const selectedFolderKey = ref<string | null>(null)
@@ -50,13 +52,7 @@ interface ServiceGroup {
 }
 
 const serviceGroups = computed<ServiceGroup[]>(() => {
-  const context = mailStore.moveDialogService
-
-  if (!context) {
-    return []
-  }
-
-  const service = servicesStore.serviceByIdentifier(mailStore.moveDialogService)
+  const service = props.service ?? mailStore.moveDialogService
 
   if (!service) {
     return []
@@ -173,6 +169,7 @@ const handleConfirm = () => {
                 :folder="folder"
                 :service="group.service"
                 :selected-folder-key="selectedFolderKey"
+                :disabled-folder-keys="disabledFolderKeys"
                 @select="handleSelect"
               />
 

src/components/FolderSelectionTreeNode.vue

@@ -8,6 +8,7 @@ interface Props {
   folder: CollectionObject
   service: ServiceObject
   selectedFolderKey: string | null
+  disabledFolderKeys?: string[]
 }
 
 const props = defineProps<Props>()
@@ -66,6 +67,7 @@ const folderColorFor = (folder: CollectionObject): string | undefined => {
 }
 
 const key = computed(() => folderKeyFor(props.folder))
+const isDisabled = computed(() => (props.disabledFolderKeys ?? []).includes(key.value))
 
 const childFolders = computed(() => {
   const serviceIdentifier = props.service.identifier
@@ -89,6 +91,10 @@ const hasChildren = computed(() => {
 const isSelected = computed(() => props.selectedFolderKey === key.value)
 
 const onSelect = () => {
+  if (isDisabled.value) {
+    return
+  }
+
   emit('select', props.folder)
 }
 
@@ -111,6 +117,7 @@ const onGroupDoubleClick = () => {
       class="folder-node"
       :title="folderLabelFor(folder)"
       :active="isSelected"
+      :disabled="isDisabled"
       @click="onSelect"
       @dblclick.stop="onGroupDoubleClick"
     >
@@ -152,6 +159,7 @@ const onGroupDoubleClick = () => {
     class="folder-node"
     :title="folderLabelFor(folder)"
     :active="isSelected"
+    :disabled="isDisabled"
     @click="onSelect"
   >
     <template #prepend>

src/components/FolderTree.vue

@@ -8,6 +8,7 @@ import FolderTreeView from './FolderTreeView.vue'
 import FolderPageView from './FolderPageView.vue'
 import CreateFolderDialog from './CreateFolderDialog.vue'
 import DeleteFolderDialog from './DeleteFolderDialog.vue'
+import FolderSelectionDialog from './FolderSelectionDialog.vue'
 import RenameFolderDialog from './RenameFolderDialog.vue'
 import type { CollectionObject } from '@MailManager/models/collection'
 import type { ServiceObject } from '@MailManager/models'
@@ -44,6 +45,9 @@ const createDialogParent = ref<CollectionObject | null>(null)
 const renameDialogVisible = ref(false)
 const renameDialogService = ref<ServiceObject | null>(null)
 const renameDialogFolder = ref<CollectionObject | null>(null)
+const moveDialogVisible = ref(false)
+const moveDialogService = ref<ServiceObject | null>(null)
+const moveDialogFolder = ref<CollectionObject | null>(null)
 const deleteDialogVisible = ref(false)
 const deleteDialogService = ref<ServiceObject | null>(null)
 const deleteDialogFolder = ref<CollectionObject | null>(null)
@@ -67,6 +71,12 @@ const handleEditFolder = (service: ServiceObject, folder: CollectionObject) => {
   renameDialogVisible.value = true
 }
 
+const handleMoveFolder = (service: ServiceObject, folder: CollectionObject) => {
+  moveDialogService.value = service
+  moveDialogFolder.value = folder
+  moveDialogVisible.value = true
+}
+
 const handleDeleteFolder = (service: ServiceObject, folder: CollectionObject) => {
   deleteDialogService.value = service
   deleteDialogFolder.value = folder
@@ -77,6 +87,39 @@ const handleFolderRenamed = (updatedFolder: CollectionObject) => {
   emit('select', updatedFolder)
 }
 
+const folderKeyFor = (folder: CollectionObject): string => {
+  return `${folder.provider}:${String(folder.service)}:${String(folder.identifier)}`
+}
+
+const moveDialogInvalidFolderKeys = computed(() => {
+  const sourceFolder = moveDialogFolder.value
+
+  if (!sourceFolder) {
+    return []
+  }
+
+  const invalidKeys = new Set<string>()
+  const queue: CollectionObject[] = [sourceFolder]
+
+  while (queue.length > 0) {
+    const currentFolder = queue.shift()
+
+    if (!currentFolder) {
+      continue
+    }
+
+    invalidKeys.add(folderKeyFor(currentFolder))
+
+    collectionsStore
+      .collectionsInCollection(currentFolder.provider, currentFolder.service, currentFolder.identifier)
+      .forEach(childFolder => {
+        queue.push(childFolder)
+      })
+  }
+
+  return Array.from(invalidKeys)
+})
+
 const isSameFolder = (left: CollectionObject | null | undefined, right: CollectionObject | null | undefined) => {
   if (!left || !right) {
     return false
@@ -95,6 +138,35 @@ const handleFolderDeleted = (deletedFolder: CollectionObject) => {
   mailStore.notify(`Folder "${deletedFolder.properties.label || String(deletedFolder.identifier)}" deleted`, 'success')
 }
 
+const handleMoveDialogCancel = () => {
+  moveDialogVisible.value = false
+}
+
+const handleFolderMove = async (targetFolder: CollectionObject) => {
+  const sourceFolder = moveDialogFolder.value
+
+  if (!sourceFolder) {
+    return
+  }
+
+  try {
+    const movedFolder = await collectionsStore.move(folderKeyFor(targetFolder), folderKeyFor(sourceFolder))
+    moveDialogVisible.value = false
+
+    if (isSameFolder(props.selectedFolder, sourceFolder)) {
+      emit('select', movedFolder)
+    }
+
+    mailStore.notify(
+      `Folder "${sourceFolder.properties.label || String(sourceFolder.identifier)}" moved to "${targetFolder.properties.label || String(targetFolder.identifier)}"`,
+      'success',
+    )
+  } catch (error: unknown) {
+    console.error('[FolderTree] Failed to move folder:', error)
+    mailStore.notify(error instanceof Error ? error.message : 'Failed to move folder', 'error')
+  }
+}
+
 // Computed: all folders for validation
 const allFolders = computed(() => 
   servicesStore.servicesEnabled.flatMap(service =>
@@ -134,6 +206,7 @@ const serviceGroups = computed(() => {
       @select="emit('select', $event)"
       @create-folder="handleCreateFolder"
       @edit-folder="handleEditFolder"
+      @move-folder="handleMoveFolder"
       @delete-folder="handleDeleteFolder"
     />
 
@@ -145,6 +218,7 @@ const serviceGroups = computed(() => {
       @select="emit('select', $event)"
       @create-folder="handleCreateFolder"
       @edit-folder="handleEditFolder"
+      @move-folder="handleMoveFolder"
       @delete-folder="handleDeleteFolder"
     />
 
@@ -175,6 +249,19 @@ const serviceGroups = computed(() => {
     @updated="handleFolderRenamed"
   />
 
+  <FolderSelectionDialog
+    v-if="moveDialogService && moveDialogFolder"
+    v-model="moveDialogVisible"
+    :service="moveDialogService"
+    :loading="collectionsStore.transceiving"
+    title="Move Folder"
+    confirm-text="Move Folder"
+    empty-text="No valid target folders are available."
+    :disabled-folder-keys="moveDialogInvalidFolderKeys"
+    @cancel="handleMoveDialogCancel"
+    @select="handleFolderMove"
+  />
+
   <DeleteFolderDialog
     v-if="deleteDialogService && deleteDialogFolder"
     v-model="deleteDialogVisible"

src/components/FolderTreeNode.vue

@@ -18,6 +18,7 @@ const emit = defineEmits<{
   select: [folder: CollectionObject]
   createSubfolder: [service: ServiceObject, parentFolder: CollectionObject]
   editFolder: [service: ServiceObject, folder: CollectionObject]
+  moveFolder: [service: ServiceObject, folder: CollectionObject]
   deleteFolder: [service: ServiceObject, folder: CollectionObject]
 }>()
 
@@ -140,6 +141,12 @@ const isSelected = (folder: CollectionObject): boolean => {
               >
                 <v-list-item-title>New Subfolder</v-list-item-title>
               </v-list-item>
+              <v-list-item
+                prepend-icon="mdi-folder-move"
+                @click="emit('moveFolder', service, folder)"
+              >
+                <v-list-item-title>Move Folder</v-list-item-title>
+              </v-list-item>
               <v-list-item
                 v-if="canDeleteFolder"
                 prepend-icon="mdi-delete"
@@ -164,6 +171,7 @@ const isSelected = (folder: CollectionObject): boolean => {
         @select="emit('select', $event)"
         @create-subfolder="(service, parentFolder) => emit('createSubfolder', service, parentFolder)"
         @edit-folder="(service, folder) => emit('editFolder', service, folder)"
+        @move-folder="(service, folder) => emit('moveFolder', service, folder)"
         @delete-folder="(service, folder) => emit('deleteFolder', service, folder)"
       />
     </div>
@@ -219,6 +227,12 @@ const isSelected = (folder: CollectionObject): boolean => {
           >
             <v-list-item-title>New Subfolder</v-list-item-title>
           </v-list-item>
+          <v-list-item
+            prepend-icon="mdi-folder-move"
+            @click="emit('moveFolder', service, folder)"
+          >
+            <v-list-item-title>Move Folder</v-list-item-title>
+          </v-list-item>
           <v-list-item
             v-if="canDeleteFolder"
             prepend-icon="mdi-delete"

src/components/FolderTreeView.vue

@@ -15,7 +15,7 @@ interface Props {
   }>
 }
 
-const props = defineProps<Props>()
+defineProps<Props>()
 const collectionsStore = useCollectionsStore()
 
 // Emits
@@ -23,6 +23,7 @@ const emit = defineEmits<{
   select: [folder: CollectionObject]
   createFolder: [service: ServiceObject, parentFolder: CollectionObject | null]
   editFolder: [service: ServiceObject, folder: CollectionObject]
+  moveFolder: [service: ServiceObject, folder: CollectionObject]
   deleteFolder: [service: ServiceObject, folder: CollectionObject]
 }>()
 
@@ -75,6 +76,7 @@ const getServiceFolders = (service: ServiceObject): CollectionObject[] => {
           @select="emit('select', $event)"
           @create-subfolder="(service, parentFolder) => emit('createFolder', service, parentFolder)"
           @edit-folder="(service, folder) => emit('editFolder', service, folder)"
+          @move-folder="(service, folder) => emit('moveFolder', service, folder)"
           @delete-folder="(service, folder) => emit('deleteFolder', service, folder)"
         />
 
@@ -157,6 +159,7 @@ const getServiceFolders = (service: ServiceObject): CollectionObject[] => {
           @select="emit('select', $event)"
           @create-subfolder="(service, parentFolder) => emit('createFolder', service, parentFolder)"
           @edit-folder="(service, folder) => emit('editFolder', service, folder)"
+          @move-folder="(service, folder) => emit('moveFolder', service, folder)"
           @delete-folder="(service, folder) => emit('deleteFolder', service, folder)"
         />