bump to v0.0.16

control/frontend/package-lock.json

@@ -9,40 +9,40 @@
 			"version": "0.0.1",
 			"dependencies": {
 				"@thisux/sveltednd": "^0.0.20",
-				"@tiptap/core": "^3.11.0",
+				"@tiptap/core": "^3.15.3",
-				"@tiptap/extension-highlight": "^3.11.0",
+				"@tiptap/extension-highlight": "^3.15.3",
-				"@tiptap/extension-text-style": "^3.11.0",
+				"@tiptap/extension-text-style": "^3.15.3",
-				"@tiptap/extensions": "^3.11.0",
+				"@tiptap/extensions": "^3.15.3",
-				"@tiptap/pm": "^3.11.0",
+				"@tiptap/pm": "^3.15.3",
-				"@tiptap/starter-kit": "^3.11.0",
+				"@tiptap/starter-kit": "^3.15.3",
 				"dexie": "^4.2.1",
 				"lucide-svelte": "^0.545.0",
-				"svelte-splitpanes": "^8.0.9"
+				"svelte-splitpanes": "^8.0.12"
 			},
 			"devDependencies": {
-				"@eslint/compat": "^1.2.5",
+				"@eslint/compat": "^1.4.1",
-				"@eslint/js": "^9.18.0",
+				"@eslint/js": "^9.39.2",
 				"@playwright/test": "1.56.1",
-				"@sveltejs/adapter-auto": "^6.0.0",
+				"@sveltejs/adapter-auto": "^6.1.1",
-				"@sveltejs/adapter-static": "^3.0.9",
+				"@sveltejs/adapter-static": "^3.0.10",
-				"@sveltejs/kit": "^2.22.0",
+				"@sveltejs/kit": "^2.49.3",
-				"@sveltejs/vite-plugin-svelte": "^6.0.0",
+				"@sveltejs/vite-plugin-svelte": "^6.2.3",
-				"@tailwindcss/vite": "^4.0.0",
+				"@tailwindcss/vite": "^4.1.18",
-				"@tiptap/extension-placeholder": "^3.11.0",
+				"@tiptap/extension-placeholder": "^3.15.3",
-				"eslint": "^9.18.0",
+				"eslint": "^9.39.2",
-				"eslint-config-prettier": "^10.0.1",
+				"eslint-config-prettier": "^10.1.8",
-				"eslint-plugin-svelte": "^3.0.0",
+				"eslint-plugin-svelte": "^3.14.0",
-				"globals": "^16.0.0",
+				"globals": "^16.5.0",
-				"prettier": "^3.4.2",
+				"prettier": "^3.7.4",
-				"prettier-plugin-svelte": "^3.3.3",
+				"prettier-plugin-svelte": "^3.4.1",
-				"sass-embedded": "^1.93.3",
+				"sass-embedded": "^1.97.2",
-				"svelte": "^5.0.0",
+				"svelte": "^5.46.1",
 				"svelte-check": "^4.3.5",
-				"svelte-dnd-action": "^0.9.65",
+				"svelte-dnd-action": "^0.9.69",
-				"tailwindcss": "^4.0.0",
+				"tailwindcss": "^4.1.18",
-				"typescript": "^5.0.0",
+				"typescript": "^5.9.3",
-				"typescript-eslint": "^8.20.0",
+				"typescript-eslint": "^8.52.0",
-				"vite": "^7.0.4"
+				"vite": "^7.3.1"
 			}
 		},
 		"node_modules/@bufbuild/protobuf": {

control/frontend/src/app.css

@@ -12,6 +12,14 @@
 	--color-stone-850: oklch(0.242 0.0065 45.171);
 }
 
+.link {
+	@apply text-blue-300 underline;
+
+	&:hover {
+		@apply text-blue-400;
+	}
+}
+
 .button {
 	&.space {
 		@apply px-4;

control/frontend/src/lib/components/DisplayObject.svelte

@@ -41,7 +41,7 @@
 		} else {
 			$pinned_display_id = display_id_object.id;
 		}
-		await screenshot_loop(display_id_object.id);
+		screenshot_loop(display_id_object.id);
 		e.stopPropagation();
 	}
 </script>

control/frontend/src/lib/components/InodeElement.svelte

@@ -11,7 +11,7 @@
 		type Inode,
 		get_file_primary_key,
 		type FileOnDisplay,
-		type FileLoadingData
+		type CompleteFileLoadingData
 	} from '$lib/ts/types';
 
 	import {
@@ -29,7 +29,7 @@
 	import RefreshPlay from '../svgs/RefreshPlay.svelte';
 	import { get_file_size_display_string, get_file_type } from '$lib/ts/utils';
 	import { open_file } from '$lib/ts/api_handler';
-	import { run_on_all_selected_displays } from '$lib/ts/stores/displays';
+	import { get_display_by_id, run_on_all_selected_displays } from '$lib/ts/stores/displays';
 	import { get_thumbnail_url } from '$lib/ts/stores/thumbnails';
 	import { liveQuery, type Observable } from 'dexie';
 	import { db } from '$lib/ts/database';
@@ -45,12 +45,7 @@
 	});
 
 	let loading_data:
-		| Observable<{
+		| Observable<CompleteFileLoadingData>
-				is_loading: boolean;
-				total_percentage: number;
-				total_seconds_until_finish: number;
-				display_data: FileLoadingData[];
-		  }>
 		| undefined = $state();
 	$effect(() => {
 		const d = $selected_display_ids;
@@ -197,12 +192,7 @@
 	async function get_loading_data(
 		file_primary_key: string,
 		selected_display_ids: string[]
-	): Promise<{
+	): Promise<CompleteFileLoadingData> {
-		is_loading: boolean;
-		total_percentage: number;
-		total_seconds_until_finish: number;
-		display_data: FileLoadingData[];
-	}> {
 		const file_on_display_data: FileOnDisplay[] = await db.files_on_display
 			.where('file_primary_key')
 			.equals(file_primary_key)
@@ -225,7 +215,17 @@
 				if (!is_loading) is_loading = true;
 				percentage_sum += fod.loading_data.percentage;
 				total_seconds_until_finish += fod.loading_data.seconds_until_finish;
-				display_data.push(fod.loading_data);
+				const display = await get_display_by_id(fod.display_id);
+				if (!display) continue;
+				const display_data_element = {
+					loading_data: fod.loading_data,
+					display_name: display.name
+				};
+				if (fod.loading_data.type === 'sync_download') {
+					display_data.unshift(display_data_element); // insert sync_download element at beginning
+				} else {
+					display_data.push(display_data_element);
+				}
 			} else {
 				percentage_sum += 100;
 			}
@@ -303,12 +303,10 @@
 		class="{get_main_classes()} relative transition-colors duration-200 gap-4 flex flex-row justify-between group w-full min-w-0"
 	>
 		{#if $loading_data?.is_loading}
-			<!-- <div class="pointer-events-none absolute inset-0"> -->
 			<div
 				class="absolute pointer-events-none inset-y-0 left-0 transition-[width] duration-200 bg-stone-600 rounded-r-lg"
-				style={`width: ${$loading_data.total_percentage}%;`}
+				style={`width: ${Math.min($loading_data.total_percentage, 100)}%;`}
 			></div>
-			<!-- </div> -->
 		{/if}
 		<div class="flex flex-row gap-2 min-w-0 w-full z-10">
 			<div class="aspect-square rounded-md flex justify-center items-center">

control/frontend/src/lib/components/NumberSettingInput.svelte

@@ -0,0 +1,66 @@
+<script lang="ts">
+	import type { NumberSetting } from '$lib/ts/types';
+	import { ChevronDown, ChevronUp, Minus, Plus } from 'lucide-svelte';
+	import Button from './Button.svelte';
+
+	let {
+		number_setting,
+		on_change,
+		className = '',
+        disabled = false,
+	}: {
+		number_setting: NumberSetting;
+		on_change: (new_value: number) => void;
+		className?: string;
+        disabled?: boolean;
+	} = $props();
+
+	let el: HTMLInputElement | null = null;
+
+	function increase() {
+        if (!el) return;
+		el.stepUp();
+		el.dispatchEvent(new Event('input', { bubbles: true }));
+		on_change(Number(el.value));
+	}
+
+	function decrease() {
+        if (!el) return;
+		el.stepDown();
+		el.dispatchEvent(new Event('input', { bubbles: true }));
+        on_change(Number(el.value));
+	}
+
+    function on_blur() {
+        if (!el) return;
+        let value = Number(el.value);
+        if (value > number_setting.max) value = number_setting.max;
+        else if (value < number_setting.min) value = number_setting.min;
+        el.value = String(value);
+        on_change(value);
+    }
+</script>
+
+<div class="flex flex-row {className}">
+	<Button click_function={increase} className="rounded-r-none" disabled={disabled}>
+        <ChevronUp />
+    </Button>
+	<input
+        bind:this={el}
+		class="bg-stone-700 focus:bg-stone-550 focus:outline-none transition-colors duration-200 py-2 px-4 w-15 text-center
+        {disabled ? 'text-stone-500 cursor-not-allowed' : 'hover:bg-stone-600'}
+        [appearance:textfield]
+        [&::-webkit-outer-spin-button]:appearance-none
+        [&::-webkit-inner-spin-button]:appearance-none"
+		type="number"
+        disabled={disabled}
+		max={number_setting.max}
+		min={number_setting.min}
+		value={number_setting.now}
+		step={number_setting.step}
+        onblur={on_blur}
+	/>
+    <Button click_function={decrease} className="rounded-l-none" disabled={disabled}>
+        <ChevronDown />
+    </Button>
+</div>

control/frontend/src/lib/ts/api_handler.ts

@@ -9,6 +9,9 @@ import {
 } from './types';
 import { dev } from '$app/environment';
 import { get_sanitized_file_url } from './utils';
+import { online_displays } from './stores/displays';
+import { get } from 'svelte/store';
+import { update_display_status } from './main';
 
 export async function get_screenshot(ip: string): Promise<Blob | null> {
 	const options = { method: 'PATCH' };
@@ -36,7 +39,7 @@ export async function send_keyboard_input(
 	await request_display(ip, '/keyboardInput', options);
 }
 
-export async function show_html(ip: string, html: string) {
+export async function show_html(ip: string, html: string): Promise<void> {
 	const options = {
 		method: 'PATCH',
 		headers: { 'content-type': 'application/json' },
@@ -72,6 +75,7 @@ export async function get_file_data(
 	const json_response = raw_response.json as ShellCommandResponse;
 	if (json_response.exitCode === 0 && json_response.stdout.trim() === '') return [];
 	if (handle_shell_error(ip, json_response, command, true)) return null;
+	if (json_response.stdout.trim() === '') return null;
 
 	const response: FileInfo[] = json_response.stdout
 		.trim()
@@ -109,16 +113,8 @@ export async function get_file_tree_data(ip: string, path: string): Promise<Tree
 	return tree_element?.contents || null;
 }
 
-export async function create_folders(
+export async function create_path(ip: string, path: string): Promise<void> {
-	ip: string,
+	const command = `mkdir -p ".${path}"`;
-	path: string,
-	folder_names: string[]
-): Promise<void> {
-	let command = `cd ".${path}"`;
-
-	for (const part of folder_names) {
-		command += ` && mkdir "${part}" && cd "${part}/"`;
-	}
 
 	const raw_response = await run_shell_command(ip, command);
 	if (!raw_response.ok || !raw_response.json) return;
@@ -195,14 +191,30 @@ async function request_display(
 	supress_error_handling_http_codes: number[] = []
 ): Promise<RequestResponse> {
 	const url = `http://${ip}:1323/api${api_route}`;
-	return await request(url, options, supress_error_handling_http_codes);
+
+	const current_online_displays = get(online_displays);
+	if (!current_online_displays.map((d) => d.ip).includes(ip)) return { ok: false };
+
+	const response = await request(url, options, supress_error_handling_http_codes);
+	if (!response.ok && response.http_code === 408) {
+		// Network error -> device possibly not longer online -> test status and throw no error if its offline
+		const possible_displays = current_online_displays.filter((d) => d.ip === ip);
+		for (const display of possible_displays) {
+			const current_status = await update_display_status(display);
+			if (current_status === 'app_online') {
+				console.error(`No response from ${url}`)
+				notifications.push('error', "Netzwerk-Fehler bei API-Anfrage", `${url}`);
+			}
+		}
+	}
+	return response;
 }
 
 async function request_control(
 	api_route: string,
 	options: { method: string; headers?: Record<string, string>; body?: string }
 ): Promise<RequestResponse> {
-	const url = `http://127.0.0.1:8080/api${api_route}`;
+	const url = `${dev ? 'http://127.0.0.1:8080' : window.location.origin}/api${api_route}`;
 	return await request(url, options);
 }
 
@@ -242,12 +254,17 @@ async function request(
 				error_description += '\nCould not parse error description';
 			}
 		}
-		notifications.push('error', `Fehler ${response.status} bei API-Anfrage`, error_description);
+		notifications.push(
+			'error',
+			`Fehler bei API-Anfrage`,
+			`\nHTTP: ${response.status}\n${error_description}`
+		);
 	} catch (error: unknown) {
 		if (error instanceof TypeError && /fetch|NetworkError/i.test(error.message)) {
 			if (dev) {
 				console.warn('Request failed - Is the targeted device online?');
 			}
+			return { ok: false, http_code: 408 };
 		} else {
 			console.error(url, error);
 			notifications.push('error', `Fataler Fehler bei API-Anfrage`, `${url}\nFehler: ${error}`);
@@ -276,12 +293,11 @@ function handle_shell_error(
 		console.error(shell_response);
 		notifications.push(
 			'error',
-			`Fehler ${shell_response.exitCode} in API-Shell`,
+			`Fehler in API-Shell`,
-			`${ip}\n${shell_command}\nFehler: ${shell_response.stderr}`
+			`${ip}\n${shell_command}\nFehler (${shell_response.exitCode}): ${shell_response.stderr}`
 		);
 		return true;
 	}
-	if (shell_response.stdout.trim() === '') return true;
 	return false;
 }
 

control/frontend/src/lib/ts/file_transfer_handler.ts

@@ -1,8 +1,8 @@
 import { db } from './database';
 import { get_display_by_id } from './stores/displays';
 import {
-	get_current_folder_elements,
 	create_path_on_all_selected_displays,
+	get_folder_elements,
 	get_file_by_id,
 	remove_all_files_without_display,
 	remove_file_from_display_recusively
@@ -32,7 +32,7 @@ export async function add_upload(
 	await create_path_on_all_selected_displays(current_file_path, selected_display_ids);
 
 	const used_file_names: string[] = await (
-		await get_current_folder_elements(current_file_path, selected_display_ids)
+		await get_folder_elements(current_file_path, selected_display_ids)
 	).map((e) => e.name);
 
 	for (const file of file_list) {
@@ -89,13 +89,32 @@ export async function add_upload(
 	await start_task_processing();
 }
 
-export async function add_sync(selected_file_id: string, selected_display_ids: string[]) {
+export async function add_sync_recursively(
+	selected_file_id: string,
+	selected_display_ids: string[]
+) {
 	const file_data = await find_file_data_on_active_selected_display(
 		selected_file_id,
 		selected_display_ids
 	);
 	if (!file_data) return console.warn('Sync canceled: no file_data');
 
+	if (file_data.file.type === 'inode/directory') {
+		const new_path = file_data.file.path + file_data.file.name + '/';
+		const elements_in_folder = await get_folder_elements(new_path, selected_display_ids);
+		if (elements_in_folder.length === 0) {
+			await create_path_on_all_selected_displays(new_path, selected_display_ids);
+		} else {
+			for (const el of elements_in_folder) {
+				await add_sync_recursively(get_file_primary_key(el), selected_display_ids);
+			}
+		}
+		return; // cannot sync folder
+	}
+
+	if (file_data.short_displays_without_file.length === 0) return; // file is present on all selected displays
+	await create_path_on_all_selected_displays(file_data.file.path, selected_display_ids);
+
 	tasks.push({
 		data: {
 			type: 'sync',
@@ -117,18 +136,21 @@ export async function add_sync(selected_file_id: string, selected_display_ids: s
 		}
 	});
 	const display_ids_without_file = file_data.short_displays_without_file.map((d) => d.id);
-	await db.files_on_display
+	const new_file_loading_data: FileLoadingData = {
-		.where('file_primary_key')
-		.equals(selected_file_id)
-		.filter((e) => display_ids_without_file.includes(e.display_id))
-		.modify({
-			loading_data: {
 		type: 'sync_upload',
 		percentage: 0,
 		bytes_per_second: 0,
 		seconds_until_finish: -1
-			}
+	};
-		});
+	const new_fods: FileOnDisplay[] = display_ids_without_file.map((display_id) => ({
+		display_id,
+		file_primary_key: selected_file_id,
+		date_created: new Date(),
+		loading_data: new_file_loading_data
+	}));
+	console.log("TEST", new_fods)
+	await db.files_on_display.bulkPut(new_fods);
+
 	await start_task_processing();
 }
 
@@ -247,6 +269,10 @@ export async function sync(task: FileTransferTask) {
 		}
 		await writable.close();
 
+		await db.files_on_display.update([task.display.id, task.file_primary_key], {
+			loading_data: null
+		});
+
 		// 02 - send downloaded file to every destination_display
 		const temp_file = await file_handle.getFile();
 

control/frontend/src/lib/ts/main.ts

@@ -1,34 +1,71 @@
 import { screenshot_loop } from './stores/displays';
 import { ping_ip } from './api_handler';
-import type { Display } from './types';
+import type { Display, DisplayStatus } from './types';
 import { update_folder_elements_recursively } from './stores/files';
 import { db } from './database';
 
 const update_display_status_interval_seconds = 20;
+const update_display_loading_status_interval_seconds = 2;
 
-export async function on_start() {
+const loading_display_ids: string[] = [];
+
+export async function on_app_start() {
 	await db.files.clear();
 	await db.files_on_display.clear();
-	await update_all_display_status();
+	await db.displays
-	await setInterval(update_all_display_status, update_display_status_interval_seconds * 1000);
+		.toCollection()
+		.modify({ status: null, preview: { currently_updating: false, url: null } });
+	await update_all_display_status(false);
+	await setInterval(
+		() => update_all_display_status(false),
+		update_display_status_interval_seconds * 1000
+	);
+	await setInterval(
+		() => update_all_display_status(true),
+		update_display_loading_status_interval_seconds * 1000
+	);
 }
 
-async function update_all_display_status() {
+async function update_all_display_status(only_loading_displays: boolean) {
-	const all_displays: Display[] = await db.displays.toArray();
+	const not_loading_displays: Display[] = await db.displays
-	for (const display of all_displays) {
+		.filter((d) =>
+			only_loading_displays
+				? loading_display_ids.includes(d.id)
+				: !loading_display_ids.includes(d.id)
+		)
+		.toArray();
+	for (const display of not_loading_displays) {
+		await update_display_status(display);
+	}
+}
+
+export async function update_display_status(display: Display): Promise<DisplayStatus> {
 	const new_status = await ping_ip(display.ip);
-		if (new_status === null && display.status !== null) continue;
+	if (new_status === null && display.status !== null) return null;
-		if (new_status === 'app_online' && display.status !== 'app_online') {
+	if (new_status !== display.status) {
+		// status change
+		if (new_status === 'app_offline') {
+			loading_display_ids.push(display.id);
+		} else {
+			remove_display_from_loading_displays(display.id);
+			if (new_status === 'app_online') {
 				on_display_start(display);
 			}
-		if (new_status !== display.status) {
+		}
 		display.status = new_status;
 		await db.displays.put(display); // save
 	}
+	return new_status;
+}
+
+export function remove_display_from_loading_displays(display_id: string) {
+	const index = loading_display_ids.indexOf(display_id);
+	if (index !== -1) {
+		loading_display_ids.splice(index, 1);
 	}
 }
 
 async function on_display_start(display: Display) {
 	await update_folder_elements_recursively(display, '/');
-	await screenshot_loop(display.id);
+	screenshot_loop(display.id);
 }

control/frontend/src/lib/ts/stores/displays.ts

@@ -12,6 +12,17 @@ import { get_screenshot } from '../api_handler';
 import { delete_and_deselect_unique_files_from_display } from './files';
 import { db } from '../database';
 import { dev } from '$app/environment';
+import { remove_display_from_loading_displays } from '../main';
+import { preview_settings } from './ui_behavior';
+import { liveQuery } from 'dexie';
+
+export const online_displays: Writable<Display[]> = writable<Display[]>([]);
+
+export const online_displays_sub = liveQuery(() =>
+	db.displays.where('status').equals('app_online').toArray()
+).subscribe((value) => {
+	online_displays.set(value);
+});
 
 export const local_displays: Writable<DisplayIdGroup[]> = writable<DisplayIdGroup[]>([]);
 
@@ -25,8 +36,8 @@ export async function add_display(
 	mac: string | null,
 	name: string,
 	status: DisplayStatus
-) {
+): Promise<Display | null> {
-	if (await is_display_name_taken(name)) return;
+	if (await is_display_name_taken(name)) return null;
 	const new_id = get_uuid();
 	const group = await db.display_groups.toCollection().first();
 	let group_id: string;
@@ -38,7 +49,7 @@ export async function add_display(
 	}
 	const element_count_in_group = (await db.displays.where('group_id').equals(group_id).toArray())
 		.length;
-	await db.displays.put({
+	const display = {
 		id: new_id,
 		ip,
 		mac,
@@ -47,7 +58,9 @@ export async function add_display(
 		group_id: group_id,
 		name,
 		status
-	});
+	};
+	await db.displays.put(display);
+	return display;
 }
 
 export async function edit_display_data(
@@ -55,11 +68,19 @@ export async function edit_display_data(
 	ip: string,
 	mac: string | null,
 	name: string
-) {
+): Promise<Display | null> {
 	let display = await db.displays.get(display_id);
-	if (!display) return;
+	if (!display) return null;
-	display = { ...display, ip: ip, mac: mac, name: name };
+	display = {
+		...display,
+		ip: ip,
+		mac: mac,
+		name,
+		preview: { currently_updating: false, url: null }
+	};
 	await db.displays.put(display); // save
+	screenshot_loop(display.id);
+	return display;
 }
 
 export async function remove_display(display_id: string) {
@@ -71,6 +92,7 @@ export async function remove_display(display_id: string) {
 	if (group_id && (await db.displays.where('group_id').equals(group_id).toArray()).length === 0) {
 		await db.display_groups.delete(group_id); // delete empty group
 	}
+	await remove_display_from_loading_displays(display_id);
 }
 
 export async function all_displays_of_group_selected(
@@ -112,7 +134,14 @@ export async function get_display_by_id(display_id: string): Promise<Display | n
 	return (await db.displays.get(display_id)) ?? null;
 }
 
-export async function screenshot_loop(display_id: string, initial_retry_count: number = 5) {
+export function screenshot_loop(display_id: string) {
+	setTimeout(async () => {
+		let settings = get(preview_settings);
+		if (settings.mode === 'never') return;
+
+		const initial_retry_count = settings.retry_count.now;
+		const retry_seconds = get(preview_settings).retry_seconds.now;
+
 		const display = await db.displays.get(display_id);
 		if (!display || display.preview.currently_updating) return;
 
@@ -123,9 +152,14 @@ export async function screenshot_loop(display_id: string, initial_retry_count: n
 
 		let retry_count = initial_retry_count;
 		while (retry_count > 0) {
-		retry_count -= 1;
+			settings = get(preview_settings);
+			if (settings.mode === 'never') break;
+			if (settings.mode !== 'always') retry_count -= 1;
 
 			const new_blob = await get_screenshot(display.ip);
+			settings = get(preview_settings);
+			if (settings.mode === 'never') break;
+
 			if (!new_blob) {
 				display.preview = { currently_updating: false, url: null };
 				await db.displays.update(display.id, { preview: display.preview });
@@ -144,11 +178,16 @@ export async function screenshot_loop(display_id: string, initial_retry_count: n
 				retry_count = initial_retry_count;
 			}
 
-		await new Promise((resolve) => setTimeout(resolve, 2000)); // sleep 2s
+			await new Promise((resolve) => setTimeout(resolve, retry_seconds * 1000)); // sleep
 		}
 
+		if (settings.mode === 'never') {
+			await db.displays.update(display.id, { preview: { currently_updating: false, url: null } });
+		} else {
 			display.preview.currently_updating = false;
 			await db.displays.update(display.id, { preview: display.preview });
+		}
+	}, 0);
 }
 
 export async function run_on_all_selected_displays(
@@ -167,7 +206,7 @@ export async function run_on_all_selected_displays(
 			if (!display || (ignore_offline && display.status === 'host_offline')) return;
 			await run_function(display);
 			if (update_screenshot_afterwards) {
-				await screenshot_loop(display.id);
+				screenshot_loop(display.id);
 			}
 		})
 	);
@@ -192,7 +231,7 @@ export async function update_local_displays() {
 
 export async function update_db_displays() {
 	local_displays.update((groups) => groups.filter((g) => g.displays.length !== 0));
-	const filtered_local_display_groups = get(local_displays)
+	const filtered_local_display_groups = get(local_displays);
 	const db_display_group_ids = (await db.display_groups.toArray()).map((group) => group.id);
 	const local_display_group_ids = filtered_local_display_groups.map((group) => group.id);
 
@@ -230,6 +269,16 @@ export function set_new_display_order(display_id_group_id: string, new_data: Dis
 	});
 }
 
+export function no_active_display_selected(
+	selected_display_ids: string[],
+	online_displays: Display[]
+) {
+	const online_and_selected_displays = online_displays.filter((d) =>
+		selected_display_ids.includes(d.id)
+	);
+	return online_and_selected_displays.length === 0;
+}
+
 if (dev) {
 	setTimeout(add_testing_displays, 0);
 	async function add_testing_displays() {

control/frontend/src/lib/ts/stores/files.ts

@@ -8,7 +8,7 @@ import {
 } from '../types';
 import { get_display_by_id } from './displays';
 import { is_selected, select, selected_display_ids, selected_file_ids } from './select';
-import { create_folders, get_file_data, get_file_tree_data } from '../api_handler';
+import { create_path, get_file_data, get_file_tree_data } from '../api_handler';
 import { deactivate_old_thumbnail_urls, generate_thumbnail } from './thumbnails';
 import { db } from '../database';
 
@@ -47,7 +47,10 @@ export async function delete_and_deselect_unique_files_from_display(display_id:
 	await remove_all_files_without_display();
 }
 
-export async function remove_file_from_display_recusively(display_id: string, file_primary_key: string) {
+export async function remove_file_from_display_recusively(
+	display_id: string,
+	file_primary_key: string
+) {
 	const found = await db.files_on_display.get([display_id, file_primary_key]);
 	if (!found) return;
 	select(selected_file_ids, file_primary_key, 'deselect');
@@ -130,12 +133,11 @@ async function get_display_ids_where_file_is_missing(
 	);
 }
 
-export async function get_displays_where_path_exists(
+export async function get_displays_where_path_not_exists(
 	path: string,
-	selected_display_ids: string[],
+	selected_display_ids: string[]
-	invert: boolean
 ): Promise<Display[]> {
-	if (path === '/') return [];
+	if (path === '/') return await db.displays.where('id').anyOf(selected_display_ids).toArray();
 	const last_path_part =
 		path
 			.slice(0, path.length - 1)
@@ -148,8 +150,7 @@ export async function get_displays_where_path_exists(
 		.equals(last_path_part)
 		.filter((inode) => inode.path === path_without_last_part && inode.type === 'inode/directory')
 		.first();
-	if (!folders_of_current_path)
+	if (!folders_of_current_path) return [];
-		return await db.displays.where('id').anyOf(selected_display_ids).toArray();
 	const folder_primary_key = get_file_primary_key(folders_of_current_path);
 
 	const display_ids_with_folder = (
@@ -157,11 +158,7 @@ export async function get_displays_where_path_exists(
 	).map((fod) => fod.display_id);
 
 	const display_ids = selected_display_ids.filter((display_id) => {
-		if (invert) {
 		return !display_ids_with_folder.includes(display_id);
-		} else {
-			return display_ids_with_folder.includes(display_id);
-		}
 	});
 
 	return (await db.displays.bulkGet(display_ids)).filter((e) => e !== undefined);
@@ -313,8 +310,8 @@ function get_folder_elements_difference(
 	return { deleted: only_in_old, new: only_in_new };
 }
 
-export async function get_current_folder_elements(
+export async function get_folder_elements(
-	current_file_path: string,
+	file_path: string,
 	selected_display_ids: string[]
 ): Promise<Inode[]> {
 	const existing_file_keys_on_selected_displays: [string, string, number, string][] = (
@@ -323,7 +320,7 @@ export async function get_current_folder_elements(
 	const existing_files_on_selected_displays_in_path: Inode[] = await db.files
 		.where('[path+name+size+type]')
 		.anyOf(existing_file_keys_on_selected_displays)
-		.filter((e) => e.path === current_file_path)
+		.filter((e) => e.path === file_path)
 		.toArray();
 
 	return sort_files(existing_files_on_selected_displays_in_path);
@@ -404,31 +401,24 @@ export async function create_path_on_all_selected_displays(
 	path: string,
 	selected_display_ids: string[]
 ) {
-	const path_parts = path
+	const displays_without_path = await get_displays_where_path_not_exists(
-		.slice(1, path.length - 1)
+		path,
-		.split('/')
+		selected_display_ids
-		.filter((e) => e.length !== 0);
+	);
-	let remaining_display_ids = [...selected_display_ids];
+	if (displays_without_path.length === 0) return;
-
+	for (const display of displays_without_path) {
-	const getDisplaysForPath = async (currentPath: string): Promise<Display[]> => {
+		await create_path(display.ip, path);
-		if (currentPath === '/') {
-			const displays = await db.displays.bulkGet(remaining_display_ids);
-			return displays.filter((d): d is Display => !!d);
 	}
-		return get_displays_where_path_exists(currentPath, remaining_display_ids, false);
+	setTimeout(async () => {
-	};
+		for (const display of displays_without_path) {
-
+			const changed_paths = await get_changed_directory_paths(display, '/');
-	for (let depth = path_parts.length; depth >= 0 && remaining_display_ids.length; depth--) {
+			if (!changed_paths) continue;
-		const currentPath = depth === 0 ? '/' : `/${path_parts.slice(0, depth).join('/')}/`;
+			console.debug('Update file system from', display.name, ':', changed_paths);
-
+			for (const path of changed_paths) {
-		const displays = await getDisplaysForPath(currentPath);
+				await update_folder_elements_recursively(display, path);
-		if (!displays.length) continue;
-
-		for (const display of displays) {
-			await create_folders(display.ip, currentPath, path_parts.slice(depth));
-			remaining_display_ids = remaining_display_ids.filter((id) => id !== display.id);
 			}
 		}
+	}, 0);
 }
 
 export async function get_date_mapping(file_primary_key: string): Promise<Record<string, Date>> {

control/frontend/src/lib/ts/stores/ui_behavior.ts

@@ -1,4 +1,5 @@
 import { writable, type Writable } from 'svelte/store';
+import type { NumberSetting } from '../types';
 
 export const dnd_flip_duration_ms = 300;
 
@@ -23,6 +24,30 @@ export const current_height: Writable<Record<string, number>> = writable<Record<
 export const is_group_drag: Writable<boolean> = writable<boolean>(false);
 export const is_display_drag: Writable<boolean> = writable<boolean>(false);
 
+export const preview_settings: Writable<{
+	mode: 'never' | 'normal' | 'always';
+	retry_seconds: NumberSetting;
+	retry_count: NumberSetting;
+}> = writable<{
+	mode: 'never' | 'normal' | 'always';
+	retry_seconds: NumberSetting;
+	retry_count: NumberSetting;
+}>({
+	mode: 'normal',
+	retry_seconds: {
+		max: 10,
+		min: 0.5,
+		now: 2,
+		step: 0.5
+	},
+	retry_count: {
+		max: 10,
+		min: 1,
+		now: 5,
+		step: 1
+	}
+});
+
 export const pinned_display_id: Writable<string | null> = writable<string | null>(null);
 
 export function change_height(key: 'display' | 'file', factor: number) {

control/frontend/src/lib/ts/types.ts

@@ -66,6 +66,13 @@ export type FileLoadingData = {
 	seconds_until_finish: number;
 };
 
+export type CompleteFileLoadingData = {
+	is_loading: boolean;
+	total_percentage: number;
+	total_seconds_until_finish: number;
+	display_data: { loading_data: FileLoadingData; display_name: string }[];
+};
+
 export type Inode = {
 	path: string;
 	name: string;
@@ -134,6 +141,13 @@ export type PopupContent = {
 	closable?: boolean;
 };
 
+export type NumberSetting = {
+	max: number,
+	min: number,
+	now: number,
+	step: number
+}
+
 export type DisplayStatus = 'host_offline' | 'app_offline' | 'app_online' | null;
 
 export function to_display_status(value: string): DisplayStatus {

control/frontend/src/routes/+page.svelte

@@ -1,25 +1,42 @@
 <script lang="ts">
-	import { Monitor, Plus, Radio, Settings, Trash2, Menu } from 'lucide-svelte';
+	import {
+		Monitor,
+		Plus,
+		Radio,
+		Settings,
+		Trash2,
+		Menu,
+		ChevronDown,
+		icons,
+		SquareCheckBig,
+		Square,
+		X,
+		Info
+	} from 'lucide-svelte';
 	import Button from '$lib/components/Button.svelte';
 	import FileView from './FileView.svelte';
 	import ControlView from './ControlView.svelte';
 	import DisplayView from './DisplayView.svelte';
 	import PopUp from '$lib/components/PopUp.svelte';
-	import { type PopupContent } from '$lib/ts/types';
+	import { type Display, type PopupContent } from '$lib/ts/types';
 	import TextInput from '$lib/components/TextInput.svelte';
 	import {
 		add_display,
 		edit_display_data,
 		get_display_by_id,
 		is_display_name_taken,
-		remove_display
+		remove_display,
+		screenshot_loop
 	} from '$lib/ts/stores/displays';
 	import { notifications } from '$lib/ts/stores/notification';
 	import { ping_ip } from '$lib/ts/api_handler';
 	import { onMount } from 'svelte';
-	import { on_start } from '$lib/ts/main';
+	import { on_app_start, update_display_status } from '$lib/ts/main';
 	import { display_status_to_info } from '$lib/ts/utils';
 	import HighlightedText from '$lib/components/HighlightedText.svelte';
+	import { preview_settings } from '$lib/ts/stores/ui_behavior';
+	import NumberSettingInput from '$lib/components/NumberSettingInput.svelte';
+	import { db } from '$lib/ts/database';
 
 	const ip_regex =
 		/^(?:(?:10|127)\.(?:25[0-5]|2[0-4]\d|1?\d?\d)\.(?:25[0-5]|2[0-4]\d|1?\d?\d)\.(?:25[0-5]|2[0-4]\d|1?\d?\d)|192\.168\.(?:25[0-5]|2[0-4]\d|1?\d?\d)\.(?:25[0-5]|2[0-4]\d|1?\d?\d)|172\.(?:1[6-9]|2\d|3[0-1])\.(?:25[0-5]|2[0-4]\d|1?\d?\d)\.(?:25[0-5]|2[0-4]\d|1?\d?\d))$/;
@@ -55,11 +72,40 @@
 		const ip = text_inputs_valid.ip.value;
 		const mac = text_inputs_valid.mac.value === '' ? null : text_inputs_valid.mac.value;
 		const name = text_inputs_valid.name.value;
+		let display: Display | null = null;
 		if (!!existing_display_id) {
-			await edit_display_data(existing_display_id, ip, mac, name);
+			display = await edit_display_data(existing_display_id, ip, mac, name);
 		} else {
 			const status = await ping_ip(text_inputs_valid.ip.value);
-			await add_display(ip, mac, name, status);
+			display = await add_display(ip, mac, name, status);
+		}
+		if (!!display) {
+			await update_display_status(display);
+		}
+	}
+
+	function get_display_preview_mode(mode: 'never' | 'normal' | 'always') {
+		switch (mode) {
+			case 'never':
+				return 'Nie';
+			case 'normal':
+				return 'Normal';
+			case 'always':
+				return 'Dauerhaft';
+		}
+	}
+
+	async function change_preview_mode(mode: 'never' | 'normal' | 'always') {
+		$preview_settings.mode = mode;
+		if (mode === 'never') {
+			await db.displays
+				.toCollection()
+				.modify({ preview: { currently_updating: false, url: null } });
+		} else {
+			const display_ids = (await db.displays.toArray()).map((d) => d.id);
+			for (const display_id of display_ids) {
+				screenshot_loop(display_id);
+			}
 		}
 	}
 
@@ -72,7 +118,7 @@
 		popup_content = {
 			open: true,
 			snippet: display_popup,
-			title: 'Neuen Bildschirm hinzufügen',
+			title: 'Neuen Bildschirm Hinzufügen',
 			title_icon: Monitor,
 			title_class: '!text-xl',
 			window_class: 'w-3xl',
@@ -80,6 +126,18 @@
 		};
 	};
 
+	const show_settings_popup = () => {
+		popup_content = {
+			open: true,
+			snippet: settings_popup,
+			title: 'Einstellungen',
+			title_icon: Settings,
+			title_class: '!text-xl',
+			window_class: 'w-3xl',
+			closable: true
+		};
+	};
+
 	const show_remove_display_popup = async (display_id: string) => {
 		remove_display_name = (await get_display_by_id(display_id))?.name || '?';
 		popup_content = {
@@ -112,9 +170,63 @@
 		};
 	};
 
-	onMount(on_start);
+	onMount(on_app_start);
+
+	const show_about_popup = () => {
+		popup_content = {
+			open: true,
+			snippet: about_popup,
+			title: 'Über PLG MuDiCS',
+			title_icon: Info,
+			title_class: '!text-xl',
+			closable: true
+		};
+	};
 </script>
 
+{#snippet about_popup(_: string)}
+	<div class="px-2">
+		<h3 class="text-lg font-bold mt-4">Entwickler</h3>
+		<p>
+			<a target="_blank" class="link" href="https://github.com/programmer-44">E44</a>
+			<a target="_blank" class="link" href="https://codeberg.org/2mal3">2mal3</a>,
+		</p>
+
+		<h3 class="text-lg font-bold mt-4">Lizenz</h3>
+		<a
+			target="_blank"
+			class="link"
+			href="https://github.com/PLG-Development/PLG-MuDiCS/blob/main/LICENSE.txt"
+		>
+			GNU Affero General Public License v3 (AGPL-3.0)
+		</a>
+
+		<h3 class="text-lg font-bold mt-4">Verwendete Bibliotheken</h3>
+		<ul class="list-disc list-inside">
+			<li><a target="_blank" href="https://svelte.dev/" class="link">Svelte & SvelteKit</a></li>
+			<li><a target="_blank" href="https://tailwindcss.com/" class="link">TailwindCSS</a></li>
+			<li><a target="_blank" href="https://lucide.dev/" class="link">Lucide Icons</a></li>
+			<li><a target="_blank" href="https://tiptap.dev/" class="link">Tiptap</a></li>
+			<li><a target="_blank" href="https://dexie.org/" class="link">Dexie.js</a></li>
+			<li>
+				<a target="_blank" href="https://github.com/orefalo/svelte-splitpanes" class="link"
+					>svelte-splitpanes</a
+				>
+			</li>
+			<li>
+				<a target="_blank" href="https://github.com/thisux/sveltednd" class="link"
+					>@thisux/sveltednd</a
+				>
+			</li>
+			<li><a target="_blank" href="https://echo.labstack.com/" class="link">Echo</a></li>
+			<li><a target="_blank" href="https://github.com/mdlayher/wol" class="link">wol</a></li>
+		</ul>
+	</div>
+	<div class="flex justify-end pt-2">
+		<Button click_function={popup_close_function} className="px-4">Schließen</Button>
+	</div>
+{/snippet}
+
 {#snippet remove_display_popup(display_id: string)}
 	<div class="max-w-prose px-2">
 		Soll der Bildschirm <HighlightedText>{remove_display_name}</HighlightedText> wirklich gelöscht werden?
@@ -221,6 +333,52 @@
 	</div>
 {/snippet}
 
+{#snippet settings_popup()}
+	<div class="flex flex-col gap-2 pl-1">
+		<span class="font-bold text-lg">Vorschau-Verhalten</span>
+		<div class="flex flex-col gap-2 ml-2">
+			<span class="text-stone-400 text-sm max-w-prose"
+				>Die Vorschau eines Bildschirms ist das Bild, welches links neben dem Display-Namen zu sehen
+				ist. Es zeigt relativ aktuell das an, was auf dem jeweiligen Bildschirm zu sehen ist.</span
+			>
+			<div class="flex flex-row justify-between items-center">
+				<span>Aktualisierungs-Verhalten</span>
+				<Button
+					className="gap-3 pl-4 pr-3 w-35"
+					menu_options={(['never', 'normal', 'always'] as const).map((mode) => ({
+						icon: mode === $preview_settings.mode ? SquareCheckBig : Square,
+						name: get_display_preview_mode(mode),
+						on_select: async () => await change_preview_mode(mode)
+					}))}>{get_display_preview_mode($preview_settings.mode)} <ChevronDown /></Button
+				>
+			</div>
+			<div class="flex flex-row justify-between items-center">
+				<span>Intervall zwischen den Aktualisierungs-Anfragen</span>
+				<NumberSettingInput
+					disabled={$preview_settings.mode === 'never'}
+					number_setting={$preview_settings.retry_seconds}
+					on_change={(new_value: number) => {
+						$preview_settings.retry_seconds.now = new_value;
+					}}
+				/>
+			</div>
+			<div class="flex flex-row justify-between items-center max-w-full gap-8">
+				<span class="">Anzahl der änderungslosen Aktualisierungen bis pausiert wird</span>
+				<NumberSettingInput
+					disabled={$preview_settings.mode !== 'normal'}
+					number_setting={$preview_settings.retry_count}
+					on_change={(new_value: number) => {
+						$preview_settings.retry_count.now = new_value;
+					}}
+				/>
+			</div>
+		</div>
+	</div>
+	<div class="flex justify-end pt-4">
+		<Button click_function={popup_close_function} className="px-4">Schließen</Button>
+	</div>
+{/snippet}
+
 <main class="bg-stone-900 h-dvh w-dvw text-stone-200 px-4 py-2 gap-2 grid grid-rows-[3rem_auto]">
 	<div class="w-[calc(100dvw-(8*var(--spacing)))] flex justify-between">
 		<span class="text-4xl font-bold content-center pl-1"> PLG MuDiCS </span>
@@ -230,8 +388,18 @@
 			menu_options={[
 				{
 					icon: Plus,
-					name: 'Neuen Bildschirm hinzufügen',
+					name: 'Neuen Bildschirm Hinzufügen',
 					on_select: show_new_display_popup
+				},
+				{
+					icon: Settings,
+					name: 'Einstellungen',
+					on_select: show_settings_popup
+				},
+				{
+					icon: Info,
+					name: 'Über',
+					on_select: show_about_popup
 				}
 			]}
 		>

control/frontend/src/routes/ControlView.svelte

@@ -9,18 +9,31 @@
 		Presentation,
 		SquareTerminal,
 		TextAlignStart,
-		TrafficCone
+		TrafficCone,
+		Globe
 	} from 'lucide-svelte';
 	import Button from '$lib/components/Button.svelte';
 	import PopUp from '$lib/components/PopUp.svelte';
 	import type { PopupContent } from '$lib/ts/types';
 	import KeyInput from './KeyInput.svelte';
-	import { send_keyboard_input, show_blackscreen, shutdown, startup } from '$lib/ts/api_handler';
+	import {
-	import { get_display_by_id, run_on_all_selected_displays } from '$lib/ts/stores/displays';
+		send_keyboard_input,
+		show_blackscreen,
+		shutdown,
+		startup,
+		show_html
+	} from '$lib/ts/api_handler';
+	import {
+		get_display_by_id,
+		no_active_display_selected,
+		online_displays,
+		run_on_all_selected_displays
+	} from '$lib/ts/stores/displays';
 	import { selected_display_ids } from '$lib/ts/stores/select';
 	import TipTapInput from './TipTapInput.svelte';
 	import { db } from '$lib/ts/database';
 	import { liveQuery, type Observable } from 'dexie';
+	import TextInput from '$lib/components/TextInput.svelte';
 
 	let all_display_states: Observable<'on' | 'off' | 'mixed'> | undefined = $state();
 	$effect(() => {
@@ -43,7 +56,7 @@
 		popup_content = {
 			open: true,
 			snippet: send_keys_popup,
-			title: 'Tastatur-Eingaben durchgeben',
+			title: 'Tastatur-Eingaben Senden',
 			title_icon: Keyboard,
 			closable: true
 		};
@@ -53,13 +66,24 @@
 		popup_content = {
 			open: true,
 			snippet: text_popup,
-			title: 'Text anzeigen',
+			title: 'Text Anzeigen',
 			title_icon: TextAlignStart,
 			closable: true,
 			window_class: 'size-full'
 		};
 	};
 
+	const show_website_popup = () => {
+		popup_content = {
+			open: true,
+			snippet: website_popup,
+			title: 'Webseite Anzeigen',
+			window_class: 'w-xl',
+			title_icon: Globe,
+			closable: true
+		};
+	};
+
 	async function all_state(selected_display_ids: string[]): Promise<'on' | 'off' | 'mixed'> {
 		const selected_displays = await Promise.all(
 			selected_display_ids.map(async (id) => await get_display_by_id(id))
@@ -74,11 +98,11 @@
 		}
 	}
 
-	async function ask_shutdonw() {
+	async function ask_shutdown() {
 		popup_content = {
 			open: true,
-			snippet: ask_shutdonw_popup,
+			snippet: ask_shutdown_popup,
-			title: 'PC Herunterfahren',
+			title: 'Bildschirm Herunterfahren',
 			title_icon: PowerOff,
 			closable: true
 		};
@@ -88,7 +112,7 @@
 		popup_content.open = false;
 		await run_on_all_selected_displays((d) => {
 			shutdown(d.ip); // no await here because we want to be fast
-			db.displays.update(d.id, { status: 'app_offline' });
+			db.displays.update(d.id, { status: 'app_offline', preview: { currently_updating: false, url: null} });
 		}, false);
 	}
 
@@ -116,9 +140,52 @@
 			10
 		);
 	}
+	let website_url = $state('');
+	let website_url_valid = $state(false);
+
+	function validate_website_url(url: string): [boolean, string] {
+		if (url === '') return [true, ''];
+		const regex = /^https?:\/\/[\w\-]+(\.[\w\-]+)+([\w\-\._~:/?#\[\]@!$&'\(\)\*\+,;=.])*/;
+		if (regex.test(url)) {
+			return [true, ''];
+		}
+		return [false, 'Ungültige URL'];
+	}
+
+	async function send_website() {
+		popup_content.open = false;
+		await run_on_all_selected_displays((d) =>
+			show_html(d.ip, `<iframe src="${website_url}"></iframe>`)
+		);
+		website_url = '';
+	}
 </script>
 
-{#snippet ask_shutdonw_popup()}
+{#snippet website_popup()}
+	<div class="flex flex-col gap-2">
+		<TextInput
+			title="URL (mit http:// oder https://)"
+			placeholder="https://example.com"
+			bind:current_value={website_url}
+			bind:current_valid={website_url_valid}
+			is_valid_function={validate_website_url}
+			enter_mode="submit"
+			enter_function={send_website}
+		/>
+		<div class="flex flex-row justify-end gap-2">
+			<Button className="button space font-bold" click_function={popup_close_function}>
+				Abbrechen
+			</Button>
+			<Button
+				click_function={send_website}
+				disabled={!website_url_valid || website_url === ''}
+				className="button success space">Anzeigen</Button
+			>
+		</div>
+	</div>
+{/snippet}
+
+{#snippet ask_shutdown_popup()}
 	<p>Bist du sicher, dass du alle ausgewählten Displays herunterfahren möchtest?</p>
 
 	<div class="flex flex-row justify-end gap-2">
@@ -146,7 +213,7 @@
 
 <div class="grid grid-rows-[2.5rem_auto] bg-stone-800 rounded-2xl min-w-0">
 	<div class="text-xl font-bold pl-3 content-center bg-stone-700 rounded-t-2xl truncate min-w-0">
-		Bildschirme steuern
+		Bildschirme Steuern
 	</div>
 	<div class="relative flex flex-col gap-2 p-2 overflow-auto">
 		<div class="flex flex-row justify-between gap-2">
@@ -155,7 +222,7 @@
 					<Button
 						title="Vorherige Folie (Pfeil nach Links)"
 						className="px-9"
-						disabled={$selected_display_ids.length === 0}
+						disabled={no_active_display_selected($selected_display_ids, $online_displays)}
 						click_function={async () => {
 							await send_single_key_press('VK_LEFT');
 						}}><ArrowBigLeft /></Button
@@ -163,7 +230,7 @@
 					<Button
 						title="Nächste Folie (Pfeil nach Rechts)"
 						className="px-9"
-						disabled={$selected_display_ids.length === 0}
+						disabled={no_active_display_selected($selected_display_ids, $online_displays)}
 						click_function={async () => {
 							await send_single_key_press('VK_RIGHT');
 						}}><ArrowBigRight /></Button
@@ -172,13 +239,20 @@
 
 				<Button
 					className="px-3 flex gap-3 w-75 justify-normal"
-					disabled={$selected_display_ids.length === 0}
+					click_function={show_text_popup}
-					click_function={show_text_popup}><TextAlignStart /> Text anzeigen</Button
+					disabled={no_active_display_selected($selected_display_ids, $online_displays)}
+					><TextAlignStart /> Text Anzeigen</Button
 				>
 
 				<Button
 					className="px-3 flex gap-3 w-75 justify-normal"
-					disabled={$selected_display_ids.length === 0}
+					disabled={no_active_display_selected($selected_display_ids, $online_displays)}
+					click_function={show_website_popup}><Globe /> Webseite Anzeigen</Button
+				>
+
+				<Button
+					className="px-3 flex gap-3 w-75 justify-normal"
+					disabled={no_active_display_selected($selected_display_ids, $online_displays)}
 					click_function={async () => {
 						await run_on_all_selected_displays((d) => show_blackscreen(d.ip));
 					}}><Presentation />Blackout</Button
@@ -186,38 +260,40 @@
 
 				<div class="flex flex-row justify-normal">
 					<Button className="rounded-r-none pl-3 flex gap-3 grow w-65 justify-normal" disabled>
-						<TrafficCone /> Fallback-Bild anzeigen
+						<TrafficCone /> Fallback-Bild Anzeigen
 					</Button>
 					<Button className="rounded-l-none flex grow-0 w-10" disabled><ChevronDown /></Button>
 				</div>
 
 				<Button
 					className="px-3 flex gap-3 w-75 justify-normal"
-					disabled={$selected_display_ids.length === 0}
+					disabled={no_active_display_selected($selected_display_ids, $online_displays)}
-					click_function={show_send_keys_popup}><Keyboard /> Tastatur-Eingaben durchgeben</Button
+					click_function={show_send_keys_popup}><Keyboard /> Tastatur-Eingaben Senden</Button
 				>
 			</div>
 			<div class="flex flex-col gap-2 justify-between">
 				<div class="flex flex-col gap-2">
 					<Button
 						className="px-3 flex gap-3 w-full xl:w-75 justify-normal"
-						disabled={$all_display_states === 'on' || $selected_display_ids.length === 0}
+						disabled={$all_display_states === 'on' ||
+							no_active_display_selected($selected_display_ids, $online_displays)}
 						click_function={startup_action}
 					>
-						<Power /> PC hochfahren
+						<Power /> Bildschirm Hochfahren
 					</Button>
 
 					<Button
 						className="px-3 flex gap-3 w-full xl:w-75 justify-normal"
-						disabled={$all_display_states === 'off' || $selected_display_ids.length === 0}
+						disabled={$all_display_states === 'off' ||
-						click_function={ask_shutdonw}
+							no_active_display_selected($selected_display_ids, $online_displays)}
+						click_function={ask_shutdown}
 					>
-						<PowerOff /> PC herunterfahren</Button
+						<PowerOff /> Bildschirm Herunterfahren</Button
 					>
 				</div>
 				<Button className="px-3 flex gap-3 w-full xl:w-75 justify-normal" disabled>
 					<SquareTerminal />
-					Shell-Befehl ausführen
+					Shell-Befehl Ausführen
 				</Button>
 			</div>
 		</div>

control/frontend/src/routes/DisplayView.svelte

@@ -218,7 +218,7 @@
 							class="min-w-40 px-4 rounded-xl cursor-pointer duration-200 transition-colors bg-stone-600"
 							onclick={async () => await toggle_all_selected_displays($display_groups)}
 						>
-							<span>{$all_groups_selected || false ? 'Alle abwählen' : 'Alle auswählen'}</span>
+							<span>{$all_groups_selected || false ? 'Alle Abwählen' : 'Alle Auswählen'}</span>
 						</button>
 						<div class="flex flex-row">
 							<Button

control/frontend/src/routes/FileView.svelte

@@ -17,11 +17,11 @@
 	import { selected_display_ids, selected_file_ids } from '$lib/ts/stores/select';
 	import {
 		current_file_path,
-		get_current_folder_elements,
+		get_folder_elements,
 		get_file_by_id,
 		run_for_selected_files_on_selected_displays,
 		update_current_folder_on_selected_displays,
-		get_displays_where_path_exists,
+		get_displays_where_path_not_exists,
 		create_folder_on_all_selected_displays
 	} from '$lib/ts/stores/files';
 	import { slide } from 'svelte/transition';
@@ -37,7 +37,8 @@
 	import { delete_files, rename_file } from '$lib/ts/api_handler';
 	import HighlightedText from '$lib/components/HighlightedText.svelte';
 	import { liveQuery, type Observable } from 'dexie';
-	import { download_file, add_upload } from '$lib/ts/file_transfer_handler';
+	import { download_file, add_upload, add_sync_recursively } from '$lib/ts/file_transfer_handler';
+	import { no_active_display_selected, online_displays } from '$lib/ts/stores/displays';
 
 	let current_name: string = $state('');
 	let current_valid: boolean = $state(false);
@@ -52,15 +53,15 @@
 	$effect(() => {
 		const path = $current_file_path,
 			display_ids = $selected_display_ids;
-		current_folder_elements = liveQuery(() => get_current_folder_elements(path, display_ids));
+		current_folder_elements = liveQuery(() => get_folder_elements(path, display_ids));
 	});
 	let one_file_selected: Observable<boolean> | undefined = $state();
 	$effect(() => {
 		const s = $selected_file_ids;
 		one_file_selected = liveQuery(async () => {
 			return s.length === 1 && (await get_file_by_id(s[0]))?.type !== 'inode/directory';
-		})
+		});
-	})
+	});
 
 	let popup_content: PopupContent = $state({
 		open: false,
@@ -128,7 +129,7 @@
 		current_name = '';
 		current_valid = false;
 		display_names_where_path_does_not_exist = (
-			await get_displays_where_path_exists($current_file_path, $selected_display_ids, true)
+			await get_displays_where_path_not_exists($current_file_path, $selected_display_ids)
 		).map((display) => display.name);
 		popup_content = {
 			open: true,
@@ -148,6 +149,21 @@
 			closable: true
 		};
 	};
+
+	async function sync_selected_files(
+		selected_file_ids: string[],
+		selected_display_ids: string[],
+		current_folder_elements: Inode[]
+	) {
+		if (selected_file_ids.length === 0 && current_folder_elements.length > 0) {
+			selected_file_ids = current_folder_elements.map((inode) => get_file_primary_key(inode));
+		}
+		if (selected_file_ids.length === 0) return;
+		// Mit For-Schleife über ausgewählte Elemente gehen
+		for (const file_id of selected_file_ids) {
+			await add_sync_recursively(file_id, selected_display_ids);
+		}
+	}
 </script>
 
 {#snippet new_folder_popup()}
@@ -232,7 +248,7 @@
 		<span class="text-stone-400 px-1"
 			>{`${$selected_file_ids.length === 1 ? 'Folgendes Objekt' : `Folgende ${$selected_file_ids.length} Objekte`} löschen? (Wiederherstellung nicht möglich)`}</span
 		>
-		<div class="flex flex-col gap-2 overflow-auto h-full min-h-0 grow-0">
+		<div class="flex flex-col gap-2 overflow-y-auto h-full min-h-0 grow-0">
 			{#each $selected_files || [] as file}
 				<InodeElement {file} not_interactable />
 			{/each}
@@ -270,7 +286,7 @@
 <div class="bg-stone-800 h-full rounded-2xl grid grid-rows-[2.5rem_1fr] min-h-0">
 	<div class="bg-stone-700 flex justify-between w-full p-1 rounded-t-2xl min-w-0 gap-2">
 		<span class="text-xl font-bold pl-2 content-center truncate min-w-0">
-			Dateien anzeigen und verwalten
+			Dateien Anzeigen und Verwalten
 		</span>
 		<div class="flex flex-row">
 			<Button
@@ -306,7 +322,7 @@
 						title="Neuen Ordner erstellen (Neuen Ordner mit ausgewählten Objekten erstellen)"
 						className="px-3 flex"
 						click_function={show_new_folder_popup}
-						disabled={$selected_display_ids.length === 0}><FolderPlus /></Button
+						disabled={no_active_display_selected($selected_display_ids, $online_displays)}><FolderPlus /></Button
 					>
 					<div class="border border-stone-700 my-1"></div>
 					<Button
@@ -315,19 +331,26 @@
 						click_function={() => {
 							if (file_input) file_input.click();
 						}}
-						disabled={$selected_display_ids.length === 0}><Upload /></Button
+						disabled={no_active_display_selected($selected_display_ids, $online_displays)}><Upload /></Button
 					>
 					<Button
 						title="Ausgewählte Datei herunterladen"
 						className="px-3 flex"
-						click_function={() => (download_file($selected_file_ids[0], $selected_display_ids))}
+						click_function={async () =>
+							await download_file($selected_file_ids[0], $selected_display_ids)}
 						disabled={!$one_file_selected}><Download /></Button
 					>
 					<div class="border border-stone-700 my-1"></div>
 					<Button
 						title="Aktuellen Ordner / Ausgewählte Datei(en) zwischen Bildschirmen synchronisieren"
 						className="px-3 flex gap-3"
-						disabled={$selected_display_ids.length === 0}
+						click_function={async () =>
+							await sync_selected_files(
+								$selected_file_ids,
+								$selected_display_ids,
+								$current_folder_elements ?? []
+							)}
+						disabled={no_active_display_selected($selected_display_ids, $online_displays)}
 						><RefreshCcw />
 						<span class="hidden 2xl:flex">Synchronisieren</span>
 					</Button>
@@ -341,7 +364,7 @@
 					<Button
 						title="Ausgewählte Datei(en) einfügen"
 						className="px-3 flex"
-						disabled={$selected_display_ids.length === 0}
+						disabled={no_active_display_selected($selected_display_ids, $online_displays)}
 					>
 						<ClipboardPaste />
 					</Button>
@@ -365,7 +388,7 @@
 		</div>
 		<div class="min-h-0 h-full overflow-y-auto overflow-x-hidden bg-stone-750 rounded-xl">
 			<div class="flex flex-col gap-2 p-2 min-h-0 max-w-full">
-				{#if $selected_display_ids.length === 0}
+				{#if no_active_display_selected($selected_display_ids, $online_displays)}
 					<span class="text-stone-450 px-10 py-6 leading-relaxed text-center">
 						Es sind keine Bildschirme ausgewählt.
 					</span>

control/frontend/src/routes/TipTapInput.svelte

@@ -210,7 +210,7 @@
 			{/each}
 		</div>
 
-		<Button click_function={show_text} className="w-full font-bold">Text anzeigen</Button>
+		<Button click_function={show_text} className="w-full font-bold">Text Anzeigen</Button>
 	</div>
 </div>
 

control/main.go

@@ -64,7 +64,7 @@ func main() {
 			os.Exit(1)
 		}
 	}()
-	err = shared.OpenBrowserWindow("http://localhost:"+port, false)
+	err = shared.OpenBrowserWindow("http://localhost:"+port, false, "control")
 	if err != nil {
 		slog.Error("Failed to open browser window", "error", err)
 		os.Exit(1)

display/main.go

@@ -26,7 +26,7 @@ func main() {
 	// the order is important, the open browser command exitsts as soon as the winodw is closed
 	// and since its the last action in the main go func all other goroutines (e.g. the webserver) are killed
 	go web.StartWebServer(shared.Version, port)
-	err = shared.OpenBrowserWindow("http://localhost:"+port, true)
+	err = shared.OpenBrowserWindow("http://localhost:"+port, true, "display")
 	if err != nil {
 		slog.Error("Failed to open browser window", "error", err)
 		os.Exit(1)

shared/open_browser.go

@@ -8,19 +8,25 @@ import (
 	"path/filepath"
 )
 
-func OpenBrowserWindow(url string, fullscreen bool) error {
+func OpenBrowserWindow(url string, fullscreen bool, profile string) error {
 	bins := []string{"chromium", "chromium-browser"}
 
 	home, err := os.UserHomeDir()
 	if err != nil {
 		return fmt.Errorf("unable to determine user home directory: %w", err)
 	}
-	browserProfileDirPath := filepath.Join(home, ".local", "share", "plg-mudics", "browser")
+	browserProfileDirPath := filepath.Join(home, ".local", "share", "plg-mudics", fmt.Sprintf("browser-%s", profile))
 	if err := os.MkdirAll(browserProfileDirPath, os.ModePerm); err != nil {
 		return fmt.Errorf("failed to create local config directory: %w", err)
 	}
 
-	args := []string{fmt.Sprintf("--app=%s", url), "--autoplay-policy=no-user-gesture-required", fmt.Sprintf("--user-data-dir=%s", browserProfileDirPath)}
+	args := []string{
+		fmt.Sprintf("--app=%s", url),
+		"--autoplay-policy=no-user-gesture-required",
+		fmt.Sprintf("--user-data-dir=%s", browserProfileDirPath),
+		"--allow-running-insecure-content",
+		"--disable-features=XFrameOptions",
+	}
 	if fullscreen {
 		args = append(args, "--start-fullscreen")
 	}

shared/version.txt

@@ -1 +1 @@
-v0.0.13
+v0.0.16