From 04b25ba59d48ea3ab1d34d9f05ede33fc7ad7fbc Mon Sep 17 00:00:00 2001
From: Ferdinand Thiessen <opensource@fthiessen.de>
Date: Wed, 28 Aug 2024 13:10:25 +0200
Subject: feat: Implement Vue UI for public page menu

This adds a Vue implementation of the public page menu,
that is the menu that can be added using `PublicTemplateResponse::setHeaderActions`.

Co-authored-by: Ferdinand Thiessen <opensource@fthiessen.de>
Co-authored-by: Louis <louis@chmn.me>
Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>
---
 .../PublicPageMenu/PublicPageMenuCustomEntry.vue   |  36 ++++++
 .../PublicPageMenu/PublicPageMenuEntry.vue         |  49 ++++++++
 .../PublicPageMenuExternalDialog.vue               |  90 ++++++++++++++
 .../PublicPageMenu/PublicPageMenuExternalEntry.vue |  36 ++++++
 .../PublicPageMenu/PublicPageMenuLinkEntry.vue     |  51 ++++++++
 core/src/public-page-menu.ts                       |  15 +++
 core/src/views/PublicPageMenu.vue                  | 131 +++++++++++++++++++++
 7 files changed, 408 insertions(+)
 create mode 100644 core/src/components/PublicPageMenu/PublicPageMenuCustomEntry.vue
 create mode 100644 core/src/components/PublicPageMenu/PublicPageMenuEntry.vue
 create mode 100644 core/src/components/PublicPageMenu/PublicPageMenuExternalDialog.vue
 create mode 100644 core/src/components/PublicPageMenu/PublicPageMenuExternalEntry.vue
 create mode 100644 core/src/components/PublicPageMenu/PublicPageMenuLinkEntry.vue
 create mode 100644 core/src/public-page-menu.ts
 create mode 100644 core/src/views/PublicPageMenu.vue

(limited to 'core/src')

diff --git a/core/src/components/PublicPageMenu/PublicPageMenuCustomEntry.vue b/core/src/components/PublicPageMenu/PublicPageMenuCustomEntry.vue
new file mode 100644
index 00000000000..f3c57a12042
--- /dev/null
+++ b/core/src/components/PublicPageMenu/PublicPageMenuCustomEntry.vue
@@ -0,0 +1,36 @@
+<!--
+ - SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ - SPDX-License-Identifier: AGPL-3.0-or-later
+ -->
+<template>
+	<!-- eslint-disable-next-line vue/no-v-html -->
+	<li ref="listItem" :role="itemRole" v-html="html" />
+</template>
+
+<script setup lang="ts">
+import { onMounted, ref } from 'vue'
+
+defineProps<{
+	id: string
+	html: string
+}>()
+
+const listItem = ref<HTMLLIElement>()
+const itemRole = ref('presentation')
+
+onMounted(() => {
+	// check for proper roles
+	const menuitem = listItem.value?.querySelector('[role="menuitem"]')
+	if (menuitem) {
+		return
+	}
+	// check if a button is available
+	const button = listItem.value?.querySelector('button') ?? listItem.value?.querySelector('a')
+	if (button) {
+		button.role = 'menuitem'
+	} else {
+		// if nothing is available set role on `<li>`
+		itemRole.value = 'menuitem'
+	}
+})
+</script>
diff --git a/core/src/components/PublicPageMenu/PublicPageMenuEntry.vue b/core/src/components/PublicPageMenu/PublicPageMenuEntry.vue
new file mode 100644
index 00000000000..a5a1913ac2b
--- /dev/null
+++ b/core/src/components/PublicPageMenu/PublicPageMenuEntry.vue
@@ -0,0 +1,49 @@
+<!--
+ - SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ - SPDX-License-Identifier: AGPL-3.0-or-later
+ -->
+<template>
+	<NcListItem :anchor-id="`${id}--link`"
+		compact
+		:details="details"
+		:href="href"
+		:name="label"
+		role="presentation"
+		@click="$emit('click')">
+		<template #icon>
+			<div role="presentation" :class="['icon', icon, 'public-page-menu-entry__icon']" />
+		</template>
+	</NcListItem>
+</template>
+
+<script setup lang="ts">
+import NcListItem from '@nextcloud/vue/dist/Components/NcListItem.js'
+import { onMounted } from 'vue'
+
+const props = defineProps<{
+	/** Only emit click event but do not open href */
+	clickOnly?: boolean
+	// menu entry props
+	id: string
+	label: string
+	icon: string
+	href: string
+	details?: string
+}>()
+
+onMounted(() => {
+	const anchor = document.getElementById(`${props.id}--link`) as HTMLAnchorElement
+	// Make the `<a>` a menuitem
+	anchor.role = 'menuitem'
+	// Prevent native click handling if required
+	if (props.clickOnly) {
+		anchor.onclick = (event) => event.preventDefault()
+	}
+})
+</script>
+
+<style scoped>
+.public-page-menu-entry__icon {
+	padding-inline-start: var(--default-grid-baseline);
+}
+</style>
diff --git a/core/src/components/PublicPageMenu/PublicPageMenuExternalDialog.vue b/core/src/components/PublicPageMenu/PublicPageMenuExternalDialog.vue
new file mode 100644
index 00000000000..992ea631600
--- /dev/null
+++ b/core/src/components/PublicPageMenu/PublicPageMenuExternalDialog.vue
@@ -0,0 +1,90 @@
+<!--
+ - SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ - SPDX-License-Identifier: AGPL-3.0-or-later
+ -->
+<template>
+	<NcDialog is-form
+		:name="label"
+		:open.sync="open"
+		@submit="createFederatedShare">
+		<NcTextField ref="input"
+			:label="t('core', 'Federated user')"
+			:placeholder="t('core', 'user@your-nextcloud.org')"
+			required
+			:value.sync="remoteUrl" />
+		<template #actions>
+			<NcButton :disabled="loading" type="primary" native-type="submit">
+				<template v-if="loading" #icon>
+					<NcLoadingIcon />
+				</template>
+				{{ t('core', 'Create share') }}
+			</NcButton>
+		</template>
+	</NcDialog>
+</template>
+
+<script setup lang="ts">
+import type Vue from 'vue'
+
+import { t } from '@nextcloud/l10n'
+import { showError } from '@nextcloud/dialogs'
+import { generateUrl } from '@nextcloud/router'
+import { getSharingToken } from '@nextcloud/sharing/public'
+import { nextTick, onMounted, ref, watch } from 'vue'
+import axios from '@nextcloud/axios'
+import NcButton from '@nextcloud/vue/dist/Components/NcButton.js'
+import NcDialog from '@nextcloud/vue/dist/Components/NcDialog.js'
+import NcLoadingIcon from '@nextcloud/vue/dist/Components/NcLoadingIcon.js'
+import NcTextField from '@nextcloud/vue/dist/Components/NcTextField.js'
+import logger from '../../logger'
+
+defineProps<{
+	label: string
+}>()
+
+const loading = ref(false)
+const remoteUrl = ref('')
+// Todo: @nextcloud/vue should expose the types correctly
+const input = ref<Vue & { focus: () => void }>()
+const open = ref(true)
+
+// Focus when mounted
+onMounted(() => nextTick(() => input.value!.focus()))
+
+// Check validity
+watch(remoteUrl, () => {
+	let validity = ''
+	if (!remoteUrl.value.includes('@')) {
+		validity = t('core', 'The remote URL must include the user.')
+	} else if (!remoteUrl.value.match(/@(.+\..{2,}|localhost)(:\d\d+)?$/)) {
+		validity = t('core', 'Invalid remote URL.')
+	}
+	input.value!.$el.querySelector('input')!.setCustomValidity(validity)
+	input.value!.$el.querySelector('input')!.reportValidity()
+})
+
+/**
+ * Create a federated share for the current share
+ */
+async function createFederatedShare() {
+	loading.value = true
+
+	try {
+		const url = generateUrl('/apps/federatedfilesharing/createFederatedShare')
+		const { data } = await axios.post<{ remoteUrl: string }>(url, {
+			shareWith: remoteUrl.value,
+			token: getSharingToken(),
+		})
+		if (data.remoteUrl.includes('://')) {
+			window.location.href = data.remoteUrl
+		} else {
+			window.location.href = `${window.location.protocol}//${data.remoteUrl}`
+		}
+	} catch (error) {
+		logger.error('Failed to create federated share', { error })
+		showError(t('files_sharing', 'Failed to add the public link to your Nextcloud'))
+	} finally {
+		loading.value = false
+	}
+}
+</script>
diff --git a/core/src/components/PublicPageMenu/PublicPageMenuExternalEntry.vue b/core/src/components/PublicPageMenu/PublicPageMenuExternalEntry.vue
new file mode 100644
index 00000000000..a4451a38bbe
--- /dev/null
+++ b/core/src/components/PublicPageMenu/PublicPageMenuExternalEntry.vue
@@ -0,0 +1,36 @@
+<!--
+ - SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ - SPDX-License-Identifier: AGPL-3.0-or-later
+ -->
+<template>
+	<PublicPageMenuEntry :id="id"
+		:icon="icon"
+		href="#"
+		:label="label"
+		@click="openDialog" />
+</template>
+
+<script setup lang="ts">
+import { spawnDialog } from '@nextcloud/dialogs'
+import PublicPageMenuEntry from './PublicPageMenuEntry.vue'
+import PublicPageMenuExternalDialog from './PublicPageMenuExternalDialog.vue'
+
+const props = defineProps<{
+	id: string
+	label: string
+	icon: string
+	href: string
+}>()
+
+const emit = defineEmits<{
+	(e: 'click'): void
+}>()
+
+/**
+ * Open the "create federated share" dialog
+ */
+function openDialog() {
+	spawnDialog(PublicPageMenuExternalDialog, { label: props.label })
+	emit('click')
+}
+</script>
diff --git a/core/src/components/PublicPageMenu/PublicPageMenuLinkEntry.vue b/core/src/components/PublicPageMenu/PublicPageMenuLinkEntry.vue
new file mode 100644
index 00000000000..54645e9ce48
--- /dev/null
+++ b/core/src/components/PublicPageMenu/PublicPageMenuLinkEntry.vue
@@ -0,0 +1,51 @@
+<!--
+ - SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ - SPDX-License-Identifier: AGPL-3.0-or-later
+ -->
+<template>
+	<PublicPageMenuEntry :id="id"
+		click-only
+		:icon="icon"
+		:href="href"
+		:label="label"
+		@click="onClick" />
+</template>
+
+<script setup lang="ts">
+import { showSuccess } from '@nextcloud/dialogs'
+import { t } from '@nextcloud/l10n'
+import PublicPageMenuEntry from './PublicPageMenuEntry.vue'
+
+const props = defineProps<{
+	id: string
+	label: string
+	icon: string
+	href: string
+}>()
+
+const emit = defineEmits<{
+	(e: 'click'): void
+}>()
+
+/**
+ * Copy the href to the clipboard
+ */
+async function copyLink() {
+	try {
+		await window.navigator.clipboard.writeText(props.href)
+		showSuccess(t('core', 'Direct link copied to clipboard'))
+	} catch {
+		// No secure context -> fallback to dialog
+		window.prompt(t('core', 'Please copy the link manually:'), props.href)
+	}
+}
+
+/**
+ * onclick handler to trigger the "copy link" action
+ * and emit the event so the menu can be closed
+ */
+function onClick() {
+	copyLink()
+	emit('click')
+}
+</script>
diff --git a/core/src/public-page-menu.ts b/core/src/public-page-menu.ts
new file mode 100644
index 00000000000..b290d1d03e9
--- /dev/null
+++ b/core/src/public-page-menu.ts
@@ -0,0 +1,15 @@
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+import { getCSPNonce } from '@nextcloud/auth'
+import Vue from 'vue'
+
+import PublicPageMenu from './views/PublicPageMenu.vue'
+
+__webpack_nonce__ = getCSPNonce()
+
+const View = Vue.extend(PublicPageMenu)
+const instance = new View()
+instance.$mount('#public-page-menu')
diff --git a/core/src/views/PublicPageMenu.vue b/core/src/views/PublicPageMenu.vue
new file mode 100644
index 00000000000..a9ff78a7c5f
--- /dev/null
+++ b/core/src/views/PublicPageMenu.vue
@@ -0,0 +1,131 @@
+<!--
+ - SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ - SPDX-License-Identifier: AGPL-3.0-or-later
+ -->
+<template>
+	<div class="public-page-menu__wrapper">
+		<NcButton v-if="primaryAction"
+			id="public-page-menu--primary"
+			class="public-page-menu__primary"
+			:href="primaryAction.href"
+			type="primary"
+			@click="openDialogIfNeeded">
+			<template v-if="primaryAction.icon" #icon>
+				<div :class="['icon', primaryAction.icon, 'public-page-menu__primary-icon']" />
+			</template>
+			{{ primaryAction.label }}
+		</NcButton>
+
+		<NcHeaderMenu v-if="secondaryActions.length > 0"
+			id="public-page-menu"
+			:aria-label="t('core', 'More actions')"
+			:open.sync="showMenu">
+			<template #trigger>
+				<IconMore :size="20" />
+			</template>
+			<ul :aria-label="t('core', 'More actions')"
+				class="public-page-menu"
+				role="menu">
+				<component :is="getComponent(entry)"
+					v-for="entry, index in secondaryActions"
+					:key="index"
+					v-bind="entry"
+					@click="showMenu = false" />
+			</ul>
+		</NcHeaderMenu>
+	</div>
+</template>
+
+<script setup lang="ts">
+import { spawnDialog } from '@nextcloud/dialogs'
+import { loadState } from '@nextcloud/initial-state'
+import { t } from '@nextcloud/l10n'
+import { useIsSmallMobile } from '@nextcloud/vue/dist/Composables/useIsMobile.js'
+import { computed, ref, type Ref } from 'vue'
+import NcButton from '@nextcloud/vue/dist/Components/NcButton.js'
+import NcHeaderMenu from '@nextcloud/vue/dist/Components/NcHeaderMenu.js'
+import IconMore from 'vue-material-design-icons/DotsHorizontal.vue'
+import PublicPageMenuEntry from '../components/PublicPageMenu/PublicPageMenuEntry.vue'
+import PublicPageMenuCustomEntry from '../components/PublicPageMenu/PublicPageMenuCustomEntry.vue'
+import PublicPageMenuExternalEntry from '../components/PublicPageMenu/PublicPageMenuExternalEntry.vue'
+import PublicPageMenuExternalDialog from '../components/PublicPageMenu/PublicPageMenuExternalDialog.vue'
+import PublicPageMenuLinkEntry from '../components/PublicPageMenu/PublicPageMenuLinkEntry.vue'
+
+interface IPublicPageMenu {
+	id: string
+	label: string
+	href: string
+	icon?: string
+	html?: string
+	details?: string
+}
+
+const menuEntries = loadState<Array<IPublicPageMenu>>('core', 'public-page-menu')
+
+/** used to conditionally close the menu when clicking entry */
+const showMenu = ref(false)
+
+const isMobile = useIsSmallMobile() as Readonly<Ref<boolean>>
+/** The primary menu action - only showed when not on mobile */
+const primaryAction = computed(() => isMobile.value ? undefined : menuEntries[0])
+/** All other secondary actions (including primary action on mobile) */
+const secondaryActions = computed(() => isMobile.value ? menuEntries : menuEntries.slice(1))
+
+/**
+ * Get the render component for an entry
+ * @param entry The entry to get the component for
+ */
+function getComponent(entry: IPublicPageMenu) {
+	if ('html' in entry) {
+		return PublicPageMenuCustomEntry
+	}
+	switch (entry.id) {
+	case 'save':
+		return PublicPageMenuExternalEntry
+	case 'directLink':
+		return PublicPageMenuLinkEntry
+	default:
+		return PublicPageMenuEntry
+	}
+}
+
+/**
+ * Open the "federated share" dialog if needed
+ */
+function openDialogIfNeeded() {
+	if (primaryAction.value?.id !== 'save') {
+		return
+	}
+	spawnDialog(PublicPageMenuExternalDialog, { label: primaryAction.value.label })
+}
+</script>
+
+<style scoped lang="scss">
+.public-page-menu {
+	box-sizing: border-box;
+
+	> :deep(*) {
+		box-sizing: border-box;
+	}
+
+	&__wrapper {
+		display: flex;
+		flex-direction: row;
+		gap: var(--default-grid-baseline);
+	}
+
+	&__primary {
+		height: var(--default-clickable-area);
+		margin-block: calc((var(--header-height) - var(--default-clickable-area)) / 2);
+
+		// Ensure the correct focus-visible color is used (as this is rendered directly on the background(-image))
+		&:focus-visible {
+			border-color: var(--color-background-plain-text) !important;
+		}
+	}
+
+	&__primary-icon {
+		filter: var(--primary-invert-if-bright);
+	}
+}
+</style>
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