Allow userdefined order and start with drag and drop resorting

Signed-off-by: Julius Härtl <jus@bitgrid.net>

4 files changed, 199 insertions, 28 deletions

diff --git a/apps/dashboard/appinfo/routes.php b/apps/dashboard/appinfo/routes.php
index 34792a9d47d..4edca1a3ec5 100644
--- a/apps/dashboard/appinfo/routes.php
+++ b/apps/dashboard/appinfo/routes.php
@@ -27,5 +27,6 @@ declare(strict_types=1);
 return [
 	'routes' => [
 		['name' => 'dashboard#index', 'url' => '/', 'verb' => 'GET'],
+		['name' => 'dashboard#updateLayout', 'url' => '/layout', 'verb' => 'POST'],
 	]
 ];
diff --git a/apps/dashboard/lib/Controller/DashboardController.php b/apps/dashboard/lib/Controller/DashboardController.php
index 687fbace380..e796ae67ccd 100644
--- a/apps/dashboard/lib/Controller/DashboardController.php
+++ b/apps/dashboard/lib/Controller/DashboardController.php
@@ -26,13 +26,16 @@ declare(strict_types=1);
 
 namespace OCA\Dashboard\Controller;
 
+use OCA\Dashboard\AppInfo\Application;
 use OCA\Viewer\Event\LoadViewer;
 use OCP\AppFramework\Controller;
+use OCP\AppFramework\Http\JSONResponse;
 use OCP\AppFramework\Http\TemplateResponse;
 use OCP\Dashboard\IManager;
 use OCP\Dashboard\IPanel;
 use OCP\Dashboard\RegisterPanelEvent;
 use OCP\EventDispatcher\IEventDispatcher;
+use OCP\IConfig;
 use OCP\IInitialStateService;
 use OCP\IRequest;
 
@@ -44,19 +47,27 @@ class DashboardController extends Controller {
 	private $eventDispatcher;
 	/** @var IManager */
 	private $dashboardManager;
+	/** @var IConfig */
+	private $config;
+	/** @var string */
+	private $userId;
 
 	public function __construct(
 		string $appName,
 		IRequest $request,
 		IInitialStateService $initialStateService,
 		IEventDispatcher $eventDispatcher,
-		IManager $dashboardManager
+		IManager $dashboardManager,
+		IConfig $config,
+		$userId
 	) {
 		parent::__construct($appName, $request);
 
 		$this->inititalStateService = $initialStateService;
 		$this->eventDispatcher = $eventDispatcher;
 		$this->dashboardManager = $dashboardManager;
+		$this->config = $config;
+		$this->userId = $userId;
 	}
 
 	/**
@@ -67,7 +78,7 @@ class DashboardController extends Controller {
 	public function index(): TemplateResponse {
 		$this->eventDispatcher->dispatchTyped(new RegisterPanelEvent($this->dashboardManager));
 
-		$dashboardManager = $this->dashboardManager;
+		$userLayout = explode(',', $this->config->getUserValue($this->userId, 'dashboard', 'layout', 'calendar,recommendations,spreed,mail'));
 		$panels = array_map(function (IPanel $panel) {
 			return [
 				'id' => $panel->getId(),
@@ -75,8 +86,9 @@ class DashboardController extends Controller {
 				'iconClass' => $panel->getIconClass(),
 				'url' => $panel->getUrl()
 			];
-		}, $dashboardManager->getPanels());
+		}, $this->dashboardManager->getPanels());
 		$this->inititalStateService->provideInitialState('dashboard', 'panels', $panels);
+		$this->inititalStateService->provideInitialState('dashboard', 'layout', $userLayout);
 
 		if (class_exists(LoadViewer::class)) {
 			$this->eventDispatcher->dispatchTyped(new LoadViewer());
@@ -84,4 +96,14 @@ class DashboardController extends Controller {
 
 		return new TemplateResponse('dashboard', 'index');
 	}
+
+	/**
+	 * @NoAdminRequired
+	 * @param string $layout
+	 * @return JSONResponse
+	 */
+	public function updateLayout(string $layout): JSONResponse {
+		$this->config->setUserValue($this->userId, 'dashboard', 'layout', $layout);
+		return new JSONResponse(['layout' => $layout]);
+	}
 }
diff --git a/apps/dashboard/src/App.vue b/apps/dashboard/src/App.vue
index 87c76a603b4..44cb763b020 100644
--- a/apps/dashboard/src/App.vue
+++ b/apps/dashboard/src/App.vue
@@ -2,16 +2,41 @@
 	<div id="app-dashboard">
 		<h2>{{ greeting.icon }} {{ greeting.text }}</h2>
 
-		<div class="panels">
-			<div v-for="panel in panels" :key="panel.id" class="panel">
-				<a :href="panel.url">
-					<h3 :class="panel.iconClass">
-						{{ panel.title }}
-					</h3>
-				</a>
-				<div :ref="panel.id" :data-id="panel.id" />
+		<Container class="panels"
+			orientation="horizontal"
+			drag-handle-selector=".panel--header"
+			@drop="onDrop">
+			<Draggable v-for="panelId in layout" :key="panels[panelId].id" class="panel">
+				<div class="panel--header">
+					<a :href="panels[panelId].url">
+						<h3 :class="panels[panelId].iconClass">
+							{{ panels[panelId].title }}
+						</h3>
+					</a>
+				</div>
+				<div :ref="panels[panelId].id" :data-id="panels[panelId].id" />
+			</Draggable>
+		</Container>
+		<a class="add-panels icon-add" @click="showModal">Add more panels</a>
+		<Modal v-if="modal" @close="closeModal">
+			<div class="modal__content">
+				<transition-group name="flip-list" tag="ol">
+					<li v-for="panel in sortedPanels" :key="panel.id">
+						<input :id="'panel-checkbox-' + panel.id"
+							type="checkbox"
+							class="checkbox"
+							:checked="isActive(panel)"
+							@input="updateCheckbox(panel, $event.target.checked)">
+						<label :for="'panel-checkbox-' + panel.id">
+							{{ panel.title }}
+						</label>
+					</li>
+					<li key="appstore">
+						<a href="/index.php/apps/settings" class="button">{{ t('dashboard', 'Get more panels from the app store') }}</a>
+					</li>
+				</transition-group>
 			</div>
-		</div>
+		</Modal>
 	</div>
 </template>
 
@@ -19,17 +44,46 @@
 import Vue from 'vue'
 import { loadState } from '@nextcloud/initial-state'
 import { getCurrentUser } from '@nextcloud/auth'
+import { Modal } from '@nextcloud/vue'
+import { Container, Draggable } from 'vue-smooth-dnd'
+import axios from '@nextcloud/axios'
+import { generateUrl } from '@nextcloud/router'
 
 const panels = loadState('dashboard', 'panels')
 
+const applyDrag = (arr, dragResult) => {
+	const { removedIndex, addedIndex, payload } = dragResult
+	if (removedIndex === null && addedIndex === null) return arr
+
+	const result = [...arr]
+	let itemToAdd = payload
+
+	if (removedIndex !== null) {
+		itemToAdd = result.splice(removedIndex, 1)[0]
+	}
+
+	if (addedIndex !== null) {
+		result.splice(addedIndex, 0, itemToAdd)
+	}
+
+	return result
+}
+
 export default {
 	name: 'App',
+	components: {
+		Modal,
+		Container,
+		Draggable,
+	},
 	data() {
 		return {
 			timer: new Date(),
 			callbacks: {},
 			panels,
 			name: getCurrentUser()?.displayName,
+			layout: loadState('dashboard', 'layout').filter((panelId) => panels[panelId]),
+			modal: false,
 		}
 	},
 	computed: {
@@ -50,15 +104,46 @@ export default {
 			}
 			return { icon: '🦉', text: t('dashboard', 'Have a night owl, {name}', { name: this.name }) }
 		},
+		isActive() {
+			return (panel) => this.layout.indexOf(panel.id) > -1
+		},
+		sortedPanels() {
+			return Object.values(this.panels).sort((a, b) => {
+				const indexA = this.layout.indexOf(a.id)
+				const indexB = this.layout.indexOf(b.id)
+				if (indexA === -1 || indexB === -1) {
+					return indexB - indexA || a.id - b.id
+				}
+				return indexA - indexB || a.id - b.id
+			})
+		},
 	},
 	watch: {
 		callbacks() {
+			this.rerenderPanels()
+		},
+	},
+	mounted() {
+		setInterval(() => {
+			this.timer = new Date()
+		}, 30000)
+	},
+	methods: {
+		/**
+		 * Method to register panels that will be called by the integrating apps
+		 *
+		 * @param {string} app The unique app id for the widget
+		 * @param {function} callback The callback function to register a panel which gets the DOM element passed as parameter
+		 */
+		register(app, callback) {
+			Vue.set(this.callbacks, app, callback)
+		},
+		rerenderPanels() {
 			for (const app in this.callbacks) {
 				const element = this.$refs[app]
-				if (this.panels[app].mounted) {
+				if (this.panels[app] && this.panels[app].mounted) {
 					continue
 				}
-
 				if (element) {
 					this.callbacks[app](element[0])
 					Vue.set(this.panels[app], 'mounted', true)
@@ -67,15 +152,33 @@ export default {
 				}
 			}
 		},
-	},
-	mounted() {
-		setInterval(() => {
-			this.timer = new Date()
-		}, 30000)
-	},
-	methods: {
-		register(app, callback) {
-			Vue.set(this.callbacks, app, callback)
+
+		saveLayout() {
+			axios.post(generateUrl('/apps/dashboard/layout'), {
+				layout: this.layout.join(','),
+			})
+		},
+		onDrop(dropResult) {
+			this.layout = applyDrag(this.layout, dropResult)
+			this.saveLayout()
+		},
+		showModal() {
+			this.modal = true
+		},
+		closeModal() {
+			this.modal = false
+		},
+		updateCheckbox(panel, currentValue) {
+			const index = this.layout.indexOf(panel.id)
+			if (!currentValue && index > -1) {
+				this.layout.splice(index, 1)
+
+			} else {
+				this.layout.push(panel.id)
+			}
+			Vue.set(this.panels[panel.id], 'mounted', false)
+			this.saveLayout()
+			this.$nextTick(() => this.rerenderPanels())
 		},
 	},
 }
@@ -101,18 +204,30 @@ export default {
 		flex-wrap: wrap;
 	}
 
-	.panel {
-		width: 250px;
-		margin: 16px;
+	.panel, .panels > div {
+		width: 280px;
+		padding: 16px;
 
-		& > a {
+		.panel--header h3 {
+			cursor: grab;
+			&:active {
+				cursor: grabbing;
+			}
+		}
+
+		& > .panel--header {
 			position: sticky;
 			top: 50px;
-			display: block;
 			background: linear-gradient(var(--color-main-background-translucent), var(--color-main-background-translucent) 80%, rgba(255, 255, 255, 0));
 			backdrop-filter: blur(4px);
+			display: flex;
+			a {
+				flex-grow: 1;
+			}
 
 			h3 {
+				display: block;
+				flex-grow: 1;
 				margin: 0;
 				font-size: 20px;
 				font-weight: bold;
@@ -123,4 +238,35 @@ export default {
 		}
 	}
 
+	.add-panels {
+		position: fixed;
+		bottom: 20px;
+		right: 20px;
+		padding: 10px;
+		padding-left: 35px;
+		padding-right: 15px;
+		background-position: 10px center;
+		border-radius: 100px;
+		&:hover {
+			background-color: var(--color-background-hover);
+		}
+	}
+
+	.modal__content {
+		width: 30vw;
+		margin: 20px;
+		ol {
+			list-style-type: none;
+		}
+		li label {
+			padding: 10px;
+			display: block;
+			list-style-type: none;
+		}
+	}
+
+	.flip-list-move {
+		transition: transform 1s;
+	}
+
 </style>
diff --git a/apps/dashboard/src/main.js b/apps/dashboard/src/main.js
index 998f538356b..e1c2c59a10f 100644
--- a/apps/dashboard/src/main.js
+++ b/apps/dashboard/src/main.js
@@ -1,5 +1,7 @@
 import Vue from 'vue'
 import App from './App.vue'
+import { translate as t } from '@nextcloud/l10n'
+Vue.prototype.t = t
 
 const Dashboard = Vue.extend(App)
 const Instance = new Dashboard({}).$mount('#app')