Such a mess

src-ui/src/app/components/common/edit-dialog/tag-edit-dialog/tag-edit-dialog.component.html

@@ -12,6 +12,8 @@
 
     <pngx-input-color i18n-title title="Color" formControlName="color" [error]="error?.color"></pngx-input-color>
 
+    <pngx-input-select i18n-title title="Parent" formControlName="parent" [items]="tags" [allowNull]="true" [error]="error?.parent"></pngx-input-select>
+
     <pngx-input-check i18n-title title="Inbox tag" formControlName="is_inbox_tag" i18n-hint hint="Inbox tags are automatically assigned to all consumed documents."></pngx-input-check>
     <pngx-input-select i18n-title title="Matching algorithm" [items]="getMatchingAlgorithms()" formControlName="matching_algorithm"></pngx-input-select>
     @if (patternRequired) {

src-ui/src/app/components/common/edit-dialog/tag-edit-dialog/tag-edit-dialog.component.ts

@@ -36,6 +36,8 @@ import { TextComponent } from '../../input/text/text.component'
   ],
 })
 export class TagEditDialogComponent extends EditDialogComponent<Tag> {
+  tags: Tag[]
+
   constructor(
     service: TagService,
     activeModal: NgbActiveModal,
@@ -43,6 +45,10 @@ export class TagEditDialogComponent extends EditDialogComponent<Tag> {
     settingsService: SettingsService
   ) {
     super(service, activeModal, userService, settingsService)
+
+    this.service.listAll().subscribe((result) => {
+      this.tags = result.results
+    })
   }
 
   getCreateTitle() {
@@ -58,6 +64,7 @@ export class TagEditDialogComponent extends EditDialogComponent<Tag> {
       name: new FormControl(''),
       color: new FormControl(randomColor()),
       is_inbox_tag: new FormControl(false),
+      parent: new FormControl(null),
       matching_algorithm: new FormControl(DEFAULT_MATCHING_ALGORITHM),
       match: new FormControl(''),
       is_insensitive: new FormControl(true),

src-ui/src/app/components/common/input/tags/tags.component.html

@@ -7,7 +7,7 @@
       <div class="input-group flex-nowrap">
         <ng-select #tagSelect name="tags" [items]="tags" bindLabel="name" bindValue="id" [(ngModel)]="value"
           [disabled]="disabled"
-          [multiple]="true"
+          [multiple]="multiple"
           [closeOnSelect]="false"
           [clearSearchOnAdd]="true"
           [hideSelected]="tags.length > 0"

src-ui/src/app/components/common/input/tags/tags.component.ts

@@ -99,6 +99,9 @@ export class TagsComponent implements OnInit, ControlValueAccessor {
   @Input()
   horizontal: boolean = false
 
+  @Input()
+  multiple: boolean = true
+
   @Output()
   filterDocuments = new EventEmitter<Tag[]>()