feat(deck): add board filter input to the board header

cypress/e2e/boardFilter.js

@@ -0,0 +1,129 @@
+/**
+ * SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+import { randUser } from '../utils/index.js'
+
+const user = randUser()
+
+// sampleBoard() only ships one card, so searching would have nothing to discriminate
+const filterBoard = {
+	title: 'FilterBoard',
+	color: '00ff00',
+	stacks: [
+		{
+			title: 'TestList',
+			cards: [
+				{ title: 'Alpha task' },
+				{ title: 'Beta task' },
+				{ title: 'Gamma thing' },
+			],
+		},
+	],
+}
+
+const otherBoard = {
+	title: 'UnrelatedBoard',
+	color: 'ff0000',
+	stacks: [],
+}
+
+describe('Board filter', function() {
+	let boardId
+
+	before(function() {
+		cy.createUser(user)
+		cy.login(user)
+		cy.createExampleBoard({ user, board: filterBoard }).then((board) => {
+			boardId = board.id
+		})
+		cy.createExampleBoard({ user, board: otherBoard })
+	})
+
+	describe('On a board', function() {
+		beforeEach(function() {
+			cy.login(user)
+			cy.visit(`/apps/deck/#/board/${boardId}`)
+			cy.get('.board .card').should('have.length', 3)
+		})
+
+		it('Filters cards as you type', function() {
+			cy.get('#deck-search-input').type('Alpha')
+
+			cy.get('.board .card').should('have.length', 1)
+			cy.get('.board .card:contains("Alpha task")').should('be.visible')
+		})
+
+		it('Restores all cards when the filter is cleared', function() {
+			cy.get('#deck-search-input').type('Alpha')
+			cy.get('.board .card').should('have.length', 1)
+
+			cy.get('.board-search .input-field__trailing-button').click()
+
+			cy.get('#deck-search-input').should('have.value', '')
+			cy.get('.board .card').should('have.length', 3)
+		})
+
+		it('Supports the title: prefix', function() {
+			cy.get('#deck-search-input').type('title:Gamma')
+
+			cy.get('.board .card').should('have.length', 1)
+			cy.get('.board .card:contains("Gamma thing")').should('be.visible')
+		})
+
+		// Not asserting where focus lands: core's unified search also claims Ctrl+F unless
+		// the path is in its appHandlesSearchShortcut list, so that depends on the server
+		// version. Deck owns only that this no longer throws, which Cypress checks for us.
+		it('Handles Ctrl+F without throwing', function() {
+			cy.get('body').type('{ctrl}f')
+
+			cy.get('#deck-search-input').should('exist')
+		})
+	})
+
+	describe('On the board list', function() {
+		// Assert on specific boards, not a total: new users also get a default board
+		beforeEach(function() {
+			cy.login(user)
+			cy.visit('/apps/deck/#/board')
+			cy.get(`.board-list-row:contains("${filterBoard.title}")`).should('be.visible')
+			cy.get(`.board-list-row:contains("${otherBoard.title}")`).should('be.visible')
+		})
+
+		it('Filters boards by title', function() {
+			cy.get('#deck-search-input').type('Unrelated')
+
+			cy.get(`.board-list-row:contains("${otherBoard.title}")`).should('be.visible')
+			cy.get(`.board-list-row:contains("${filterBoard.title}")`).should('not.exist')
+		})
+
+		it('Restores all boards when the filter is cleared', function() {
+			cy.get('#deck-search-input').type('Unrelated')
+			cy.get(`.board-list-row:contains("${filterBoard.title}")`).should('not.exist')
+
+			cy.get('.board-search .input-field__trailing-button').click()
+
+			cy.get(`.board-list-row:contains("${filterBoard.title}")`).should('be.visible')
+			cy.get(`.board-list-row:contains("${otherBoard.title}")`).should('be.visible')
+		})
+	})
+
+	describe('On the upcoming overview', function() {
+		beforeEach(function() {
+			cy.login(user)
+			cy.visit('/apps/deck/#/upcoming')
+			cy.get('.controls').should('exist')
+		})
+
+		it('Has no filter input', function() {
+			cy.get('#deck-search-input').should('not.exist')
+		})
+
+		// The view that used to throw a TypeError on every Ctrl+F
+		it('Handles Ctrl+F without throwing when there is no search field', function() {
+			cy.get('body').type('{ctrl}f')
+
+			cy.get('.controls').should('be.visible')
+		})
+	})
+})

src/components/Controls.vue

@@ -31,18 +31,6 @@
 		<div class="board-actions">
 			<SessionList v-if="isNotifyPushEnabled && presentUsers.length"
 				:sessions="presentUsers" />
-			<!-- Hide but not remove for now as search might change in the future -->
-			<div v-if="false" class="deck-search">
-				<input id="deck-search-input"
-					ref="search"
-					:tabindex="0"
-					type="search"
-					class="icon-search"
-					:value="searchQuery"
-					@focus="$store.dispatch('toggleShortcutLock', true)"
-					@blur="$store.dispatch('toggleShortcutLock', false)"
-					@input="$store.commit('setSearchQuery', $event.target.value)">
-			</div>
 			<div v-if="board && canManage && !showArchived && !board.archived"
 				id="stack-add"
 				v-click-outside="hideAddStack">
@@ -71,6 +59,26 @@
 						value="">
 				</form>
 			</div>
+			<template v-if="showSearch">
+				<!-- Not type="search": NcTextField only fills the trailing button's icon
+					slot when type !== 'search', which leaves the clear button iconless. -->
+				<NcTextField id="deck-search-input"
+					class="board-search"
+					type="text"
+					:label="searchLabel"
+					:value="searchQuery"
+					:title="searchHint || null"
+					:show-trailing-button="searchQuery !== ''"
+					:trailing-button-label="t('deck', 'Clear search')"
+					:aria-describedby="searchHint ? 'deck-search-hint' : null"
+					@update:value="setSearchQuery"
+					@trailing-button-click="clearSearchQuery"
+					@focus="$store.dispatch('toggleShortcutLock', true)"
+					@blur="$store.dispatch('toggleShortcutLock', false)" />
+				<!-- title is for pointer users, aria-describedby for assistive tech. No double
+					announcement: title is only the fallback description per HTML-AAM. -->
+				<span v-if="searchHint" id="deck-search-hint" class="hidden-visually">{{ searchHint }}</span>
+			</template>
 			<div v-if="board" class="board-action-buttons">
 				<div class="board-action-buttons__filter">
 					<NcPopover :placement="'bottom-end'"
@@ -279,7 +287,7 @@
 <script>
 import { mapState, mapGetters } from 'vuex'
 import { subscribe, unsubscribe } from '@nextcloud/event-bus'
-import { NcActions, NcActionButton, NcActionSeparator, NcAvatar, NcButton, NcPopover, NcModal } from '@nextcloud/vue'
+import { NcActions, NcActionButton, NcActionSeparator, NcAvatar, NcButton, NcPopover, NcModal, NcTextField } from '@nextcloud/vue'
 import labelStyle from '../mixins/labelStyle.js'
 import ArchiveIcon from 'vue-material-design-icons/ArchiveOutline.vue'
 import ImageIcon from 'vue-material-design-icons/ImageMultipleOutline.vue'
@@ -304,6 +312,7 @@ export default {
 		NcActionButton,
 		NcButton,
 		NcPopover,
+		NcTextField,
 		NcAvatar,
 		ArchiveIcon,
 		ImageIcon,
@@ -329,6 +338,19 @@ export default {
 			required: false,
 			default: null,
 		},
+		showSearch: {
+			type: Boolean,
+			default: false,
+		},
+		searchLabel: {
+			type: String,
+			default: '',
+		},
+		// Only pass this where the card prefixes actually apply
+		searchHint: {
+			type: String,
+			default: '',
+		},
 	},
 	data() {
 		return {
@@ -418,6 +440,12 @@ export default {
 			}
 			this.$nextTick(() => this.$store.dispatch('setFilter', { ...this.filter }))
 		},
+		setSearchQuery(value) {
+			this.$store.commit('setSearchQuery', value)
+		},
+		clearSearchQuery() {
+			this.$store.commit('setSearchQuery', '')
+		},
 		toggleNav() {
 			this.$store.dispatch('toggleNav')
 		},
@@ -486,9 +514,6 @@ export default {
 		triggerOpenFilters() {
 			this.$refs.filterPopover.$el.click()
 		},
-		triggerOpenSearch() {
-			this.$refs.search.focus()
-		},
 		triggerClearFilter() {
 			this.clearFilter()
 		},
@@ -505,20 +530,30 @@ export default {
 </script>
 
 <style lang="scss" scoped>
+	@import '../css/variables.scss';
+
 	.controls {
 		display: flex;
+		// min-height, not height: the search wraps to a second row on narrow screens
+		flex-wrap: wrap;
+		row-gap: var(--default-grid-baseline);
 		margin: calc(var(--default-grid-baseline) * 2);
-		height: var(--default-clickable-area);
+		min-height: var(--default-clickable-area);
 		padding-inline-start: var(--default-clickable-area);
 
 		.board-title {
 			display: flex;
 			align-items: center;
+			// lets the h2 below actually truncate
+			min-width: 0;
 
 			h2 {
 				margin: 0;
 				margin-inline-end: 10px;
 				font-size: 18px;
+				overflow: hidden;
+				text-overflow: ellipsis;
+				white-space: nowrap;
 			}
 
 			.board-bullet {
@@ -564,20 +599,30 @@ export default {
 		flex-grow: 1;
 		order: 100;
 		display: flex;
+		flex-wrap: wrap;
+		align-items: center;
+		row-gap: var(--default-grid-baseline);
 		justify-content: flex-end;
 	}
 
 	.board-action-buttons {
 		display: flex;
 	}
 
-	.deck-search {
-		display: flex;
-		align-items: center;
-		justify-content: center;
-		input[type=search] {
-			background-position: 5px;
-			padding-inline-start: 24px !important;
+	.board-search {
+		flex: 0 1 15rem;
+		min-width: 0;
+		margin-inline-end: var(--default-grid-baseline);
+	}
+
+	@media (max-width: $breakpoint-small-mobile) {
+		// Own row below the buttons, spanning the full header. The negative margin cancels
+		// the padding .controls reserves for the navigation toggle, which only occupies the
+		// first row; the oversized basis keeps the search alone on its line, so it is safe.
+		.board-search {
+			order: 1;
+			flex-basis: calc(100% + var(--default-clickable-area));
+			margin-inline: calc(-1 * var(--default-clickable-area)) 0;
 		}
 	}
 

src/components/KeyboardShortcuts.vue

@@ -70,11 +70,15 @@ export default {
 			// Global shortcuts (not board specific)
 			if ((key.metaKey || key.ctrlKey) && key.code === 'KeyF') {
 				const searchInput = document.getElementById('deck-search-input')
+				// Overviews have no search field, so leave Ctrl+F to the browser there
+				if (!searchInput) {
+					return
+				}
 				if (searchInput === document.activeElement) {
 					return false
 				}
 
-				document.getElementById('deck-search-input').focus()
+				searchInput.focus()
 				key.preventDefault()
 				return true
 			}

src/components/board/Board.vue

@@ -5,7 +5,10 @@
 
 <template>
 	<div class="board-wrapper" :tabindex="-1" @touchend="fixActionRestriction">
-		<Controls :board="board" />
+		<Controls :board="board"
+			show-search
+			:search-label="t('deck', 'Search cards')"
+			:search-hint="searchHint" />
 
 		<transition name="fade" mode="out-in">
 			<div v-if="loading" key="loading" class="emptycontent">
@@ -149,6 +152,12 @@ export default {
 		stacksByBoard() {
 			return this.board?.id ? this.$store.getters.stacksByBoard(this.board.id) : []
 		},
+		searchHint() {
+			// Parameterised so translators never see the prefixes as translatable text
+			return t('deck', 'Supported prefixes: {prefixes}. Wrap phrases in double quotes.', {
+				prefixes: 'title:, description:, tag:, assigned:, list:, date:',
+			})
+		},
 		dragHandleSelector() {
 			return this.canEdit ? '.stack__title' : '.no-drag'
 		},

src/components/boards/Boards.vue

@@ -5,7 +5,8 @@
 
 <template>
 	<div>
-		<Controls />
+		<!-- No hint: this matches plain titles, the card prefixes do not apply here -->
+		<Controls show-search :search-label="t('deck', 'Search boards')" />
 		<div class="board-list">
 			<div class="board-list-row board-list-header-row">
 				<div class="board-list-bullet-cell">

src/css/variables.scss

@@ -2,10 +2,11 @@
  * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
- $card-min-width: 250px;
- $card-max-width: 316px;
- $card-padding: calc(var(--default-grid-baseline) * 2) calc(var(--default-grid-baseline) * 2) var(--default-grid-baseline);
- $card-gap: calc(var(--default-grid-baseline) * 3);
- $card-image-margin: calc(var(--default-grid-baseline) * -2);
- $stack-gap: calc(var(--default-grid-baseline) * 3);
- $board-gap: calc(var(--default-grid-baseline) * 4);
+$card-min-width: 250px;
+$card-max-width: 316px;
+$card-padding: calc(var(--default-grid-baseline) * 2) calc(var(--default-grid-baseline) * 2) var(--default-grid-baseline);
+$card-gap: calc(var(--default-grid-baseline) * 3);
+$card-image-margin: calc(var(--default-grid-baseline) * -2);
+$stack-gap: calc(var(--default-grid-baseline) * 3);
+$board-gap: calc(var(--default-grid-baseline) * 4);
+$breakpoint-small-mobile: 512px;