[stable33] fix(files): fix tab navigation from select all checkbox to batch actions

apps/files/src/components/FilesListTableHeader.vue

@@ -9,6 +9,7 @@
 			@keyup.esc.exact="resetSelection">
 			<NcCheckboxRadioSwitch
 				v-bind="selectAllBind"
+				:id="FILES_LIST_HEADER_SELECT_ALL_CHECKBOX_ID"
 				data-cy-files-list-selection-checkbox
 				@update:model-value="onToggleAll" />
 		</th>
@@ -79,6 +80,7 @@ import { t } from '@nextcloud/l10n'
 import { useHotKey } from '@nextcloud/vue/composables/useHotKey'
 import { defineComponent } from 'vue'
 import NcCheckboxRadioSwitch from '@nextcloud/vue/components/NcCheckboxRadioSwitch'
+import { FILE_LIST_HEAD_FIRST_BATCH_ACTION_ID } from './FilesListTableHeaderActions.vue'
 import FilesListTableHeaderButton from './FilesListTableHeaderButton.vue'
 import { useFileListWidth } from '../composables/useFileListWidth.ts'
 import { useRouteParameters } from '../composables/useRouteParameters.ts'
@@ -88,6 +90,8 @@ import { useActiveStore } from '../store/active.ts'
 import { useFilesStore } from '../store/files.ts'
 import { useSelectionStore } from '../store/selection.ts'
 
+export const FILES_LIST_HEADER_SELECT_ALL_CHECKBOX_ID = 'files-list-header-select-all-checkbox'
+
 export default defineComponent({
 	name: 'FilesListTableHeader',
 
@@ -137,6 +141,8 @@ export default defineComponent({
 
 			directory,
 			isNarrow,
+
+			FILES_LIST_HEADER_SELECT_ALL_CHECKBOX_ID,
 		}
 	},
 
@@ -196,6 +202,11 @@ export default defineComponent({
 		})
 	},
 
+	mounted() {
+		const selectAllCheckbox = document.getElementById(FILES_LIST_HEADER_SELECT_ALL_CHECKBOX_ID)
+		selectAllCheckbox?.addEventListener('keydown', this.onSelectAllCheckboxFocusOut)
+	},
+
 	methods: {
 		ariaSortForMode(mode: string): 'ascending' | 'descending' | undefined {
 			if (this.sortingMode === mode) {
@@ -231,6 +242,18 @@ export default defineComponent({
 			this.selectionStore.reset()
 		},
 
+		onSelectAllCheckboxFocusOut(event: KeyboardEvent) {
+			// If the user tabbed further and we have a batch action to tab to
+			const firstBatchActionButton = document.getElementById(FILE_LIST_HEAD_FIRST_BATCH_ACTION_ID)
+			if (event.code === 'Tab' && !event.shiftKey && !event.metaKey && firstBatchActionButton) {
+				event.preventDefault()
+				event.stopPropagation()
+
+				firstBatchActionButton.focus()
+				logger.debug('Focusing first batch action button')
+			}
+		},
+
 		t,
 	},
 })

apps/files/src/components/FilesListTableHeaderActions.vue

@@ -16,7 +16,8 @@
 			@close="openedSubmenu = null">
 			<!-- Default actions list-->
 			<NcActionButton
-				v-for="action in enabledMenuActions"
+				v-for="(action, idx) in enabledMenuActions"
+				:id="idx === 0 ? FILE_LIST_HEAD_FIRST_BATCH_ACTION_ID : undefined"
 				:key="action.id"
 				:ref="`action-batch-${action.id}`"
 				:class="{
@@ -84,6 +85,7 @@ import NcActionSeparator from '@nextcloud/vue/components/NcActionSeparator'
 import NcIconSvgWrapper from '@nextcloud/vue/components/NcIconSvgWrapper'
 import NcLoadingIcon from '@nextcloud/vue/components/NcLoadingIcon'
 import ArrowLeftIcon from 'vue-material-design-icons/ArrowLeft.vue'
+import { FILES_LIST_HEADER_SELECT_ALL_CHECKBOX_ID } from './FilesListTableHeader.vue'
 import { useFileActions } from '../composables/useFileActions.ts'
 import { useFileListWidth } from '../composables/useFileListWidth.ts'
 import logger from '../logger.ts'
@@ -93,6 +95,8 @@ import { useActiveStore } from '../store/active.ts'
 import { useFilesStore } from '../store/files.ts'
 import { useSelectionStore } from '../store/selection.ts'
 
+export const FILE_LIST_HEAD_FIRST_BATCH_ACTION_ID = 'files-list-head-first-batch-action'
+
 export default defineComponent({
 	name: 'FilesListTableHeaderActions',
 
@@ -149,6 +153,8 @@ export default defineComponent({
 
 			boundariesElement,
 			inlineActions,
+
+			FILE_LIST_HEAD_FIRST_BATCH_ACTION_ID,
 		}
 	},
 
@@ -269,6 +275,17 @@ export default defineComponent({
 		},
 	},
 
+	mounted() {
+		const firstActionId = this.enabledMenuActions.at(0)?.id
+		const firstButton = this.$refs.actionsMenu?.$refs?.[`action-batch-${firstActionId}`]
+		if (firstButton) {
+			firstButton.$el.focus()
+			logger.debug('Focusing first batch action button')
+
+			firstButton.$el.addEventListener('focusout', this.onFirstButtonFocusOut)
+		}
+	},
+
 	methods: {
 		/**
 		 * Get a cached note from the store
@@ -343,6 +360,20 @@ export default defineComponent({
 			}
 		},
 
+		// When focusing out the first button outside the header actions
+		// we can return back to the select all checkbox
+		onFirstButtonFocusOut(event: FocusEvent) {
+			// If the focus is still within this component, do nothing
+			if (this.$el.contains(event.relatedTarget)) {
+				return
+			}
+
+			event.preventDefault()
+			event.stopPropagation()
+			document.getElementById(FILES_LIST_HEADER_SELECT_ALL_CHECKBOX_ID)?.focus()
+			logger.debug('Focusing select all checkbox again')
+		},
+
 		t: translate,
 	},
 })