Tweak: better support long list of views in documents list (#13769)

src-ui/src/app/components/document-list/document-list.component.html

@@ -85,7 +85,7 @@
     </div>
   </div>
 
-  <div class="btn-group flex-fill" *pngxIfPermissions="{ action: PermissionAction.View, type: PermissionType.SavedView }" ngbDropdown role="group">
+  <div class="btn-group flex-fill" *pngxIfPermissions="{ action: PermissionAction.View, type: PermissionType.SavedView }" ngbDropdown #viewsDropdown="ngbDropdown" role="group">
     <button class="btn btn-sm btn-outline-primary dropdown-toggle flex-fill" tourAnchor="tour.documents-views" ngbDropdownToggle>
       <i-bs name="window-stack"></i-bs><div class="d-none d-sm-inline ms-1"><ng-container i18n>Views</ng-container></div>
       @if (savedViewIsModified) {
@@ -95,15 +95,15 @@
       }
     </button>
     <div class="dropdown-menu shadow dropdown-menu-right" ngbDropdownMenu>
-      @if (!list.activeSavedViewId) {
-        @for (view of savedViewService.allViews; track view) {
-          <button ngbDropdownItem (click)="loadViewConfig(view.id)">
-            <i-bs class="me-2" [name]="view.icon || 'funnel'"></i-bs>{{view.name}}
-          </button>
-        }
-        @if (savedViewService.allViews.length > 0) {
-          <div class="dropdown-divider"></div>
-        }
+      @if (viewsDropdown.isOpen() && !list.activeSavedViewId && savedViewService.allViews.length > 0) {
+        <div class="views-list overflow-y-auto">
+          @for (view of savedViewService.allViews; track view.id) {
+            <button ngbDropdownItem (click)="loadViewConfig(view.id)">
+              <i-bs class="me-2" [name]="view.icon || 'funnel'"></i-bs>{{view.name}}
+            </button>
+          }
+        </div>
+        <div class="dropdown-divider"></div>
       }
 
       @if (list.activeSavedViewId && activeSavedViewCanChange) {

src-ui/src/app/components/document-list/document-list.component.scss

@@ -93,4 +93,8 @@ a {
 
 pngx-page-header .dropdown-menu {
   --bs-dropdown-min-width: 12em;
+
+  .views-list {
+    max-height: min(400px, calc(100vh - 260px)); // leave room for the header above and the actions below
+  }
 }