diff --git a/control/frontend/package-lock.json b/control/frontend/package-lock.json
index 996cebd..7bad98d 100644
--- a/control/frontend/package-lock.json
+++ b/control/frontend/package-lock.json
@@ -1155,9 +1155,9 @@
 			}
 		},
 		"node_modules/@sveltejs/kit": {
-			"version": "2.46.4",
-			"resolved": "https://registry.npmjs.org/@sveltejs/kit/-/kit-2.46.4.tgz",
-			"integrity": "sha512-J1fd80WokLzIm6EAV7z7C2+/C02qVAX645LZomARARTRJkbbJSY1Jln3wtBZYibUB8c9/5Z6xqLAV39VdbtWCQ==",
+			"version": "2.47.3",
+			"resolved": "https://registry.npmjs.org/@sveltejs/kit/-/kit-2.47.3.tgz",
+			"integrity": "sha512-zN2yzBc2dIES2BSzLhNP2weYhwB77kgM/oAktICZVmmljyEmPZrlUwr14jjdK9/eDu7WdAuf6gTdYIJLTcN3Fw==",
 			"dev": true,
 			"license": "MIT",
 			"peer": true,
@@ -4018,9 +4018,9 @@
 			"license": "MIT"
 		},
 		"node_modules/vite": {
-			"version": "7.1.9",
-			"resolved": "https://registry.npmjs.org/vite/-/vite-7.1.9.tgz",
-			"integrity": "sha512-4nVGliEpxmhCL8DslSAUdxlB6+SMrhB0a1v5ijlh1xB1nEPuy1mxaHxysVucLHuWryAxLWg6a5ei+U4TLn/rFg==",
+			"version": "7.1.11",
+			"resolved": "https://registry.npmjs.org/vite/-/vite-7.1.11.tgz",
+			"integrity": "sha512-uzcxnSDVjAopEUjljkWh8EIrg6tlzrjFUfMcR1EVsRDGwf/ccef0qQPRyOrROwhrTDaApueq+ja+KLPlzR/zdg==",
 			"dev": true,
 			"license": "MIT",
 			"peer": true,
diff --git a/control/frontend/src/app.css b/control/frontend/src/app.css
index e4cc2b8..e14c6c0 100644
--- a/control/frontend/src/app.css
+++ b/control/frontend/src/app.css
@@ -6,7 +6,7 @@
 @theme {
     --color-stone-150: oklch(0.9465 0.002 77.571);
     --color-stone-250: oklch(0.896 0.004 52.542);
-    --color-stone-350: oklch(0.711 0.009 57.218);
+    --color-stone-350: oklch(0.789 0.0075 56.313);
     --color-stone-450: oklch(0.631 0.0115 57.165);
     --color-stone-550: oklch(0.4985 0.012 65.855);
     --color-stone-650: oklch(0.409 0.0105 70.599);
diff --git a/control/frontend/src/components/Button.svelte b/control/frontend/src/components/Button.svelte
index 6b706d7..9787035 100644
--- a/control/frontend/src/components/Button.svelte
+++ b/control/frontend/src/components/Button.svelte
@@ -13,6 +13,8 @@
 		title = '',
 		click_function = (e: MouseEvent) => {},
 		menu_options = null,
+		menu_class = 'right-0',
+		div_class = '',
 		children
 	} = $props<{
 		className?: string;
@@ -23,6 +25,8 @@
 		title?: string;
 		click_function?: (e: MouseEvent) => void;
 		menu_options?: MenuOption[] | null;
+		menu_class?: string;
+		div_class?: string,
 		children?: any;
 	}>();
 
@@ -126,7 +130,7 @@
 	}
 </script>
 
-<div class="relative min-w-0 flex" {title}>
+<div class="relative min-w-0 flex {div_class}" {title}>
 	<button
 		bind:this={button_element}
 		class="{className} {menu_shown ? hover_bg : bg} {disabled
@@ -150,7 +154,7 @@
 			transition:fade={{ duration: 50 }}
 			class="absolute {position_bottom
 				? 'top-full'
-				: 'bottom-full'} right-0 z-100 my-1.5 min-w-64 rounded-xl backdrop-blur bg-stone-600/30 border border-stone-400/10 shadow-xl/20 p-2 flex flex-col gap-2 text-stone-200 cursor-auto"
+				: 'bottom-full'} {menu_class} z-100 my-1.5 min-w-64 rounded-xl backdrop-blur bg-stone-600/30 border border-stone-400/10 shadow-xl/20 p-2 flex flex-col gap-2 text-stone-200 cursor-auto"
 			onclick={(e) => {
 				e.stopPropagation();
 			}}
@@ -175,7 +179,7 @@
 							{/if}
 						</div>
 					{/if}
-					<div class="pr-2">
+					<div class="truncate min-w-0" title={option.name}>
 						{option.name}
 					</div>
 				</button>
diff --git a/control/frontend/src/components/DisplayGroupObject.svelte b/control/frontend/src/components/DisplayGroupObject.svelte
index 95a91b3..16455e1 100644
--- a/control/frontend/src/components/DisplayGroupObject.svelte
+++ b/control/frontend/src/components/DisplayGroupObject.svelte
@@ -7,16 +7,14 @@
 	import {
 		add_empty_display_group,
 		all_displays_of_group_selected,
-		is_selected,
 		remove_empty_display_groups,
-		select,
 		select_all_of_group,
-		selected_display_ids,
 		set_new_display_group_data
 	} from '../ts/stores/displays';
 	import DNDGrip from './DNDGrip.svelte';
 	import { fade } from 'svelte/transition';
 	import type { DisplayGroup } from '../ts/types';
+	import { selected_display_ids } from '../ts/stores/select';
 
 	let { display_group } = $props<{
 		display_group: DisplayGroup;
diff --git a/control/frontend/src/components/DisplayObject.svelte b/control/frontend/src/components/DisplayObject.svelte
index 3e8cdd9..67071ab 100644
--- a/control/frontend/src/components/DisplayObject.svelte
+++ b/control/frontend/src/components/DisplayObject.svelte
@@ -1,16 +1,15 @@
 <script lang="ts">
 	import Button from './Button.svelte';
-	import { is_selected, select, selected_display_ids } from '../ts/stores/displays';
 	import {
-		display_screen_height,
+	current_height,
 		get_selectable_color_classes,
 		pinned_display_id
 	} from '../ts/stores/ui_behavior';
 	import DNDGrip from './DNDGrip.svelte';
 	import { Menu, Pencil, Pin, PinOff, Trash2, VideoOff, X } from 'lucide-svelte';
-	import { fade } from 'svelte/transition';
 	import OnlineState from './OnlineState.svelte';
 	import type { Display } from '../ts/types';
+	import { is_selected, select, selected_display_ids } from '../ts/stores/select';
 
 	let { display } = $props<{
 		display: Display;
@@ -19,7 +18,7 @@
 	let hovering_unselectable = $state(false);
 
 	function onclick(e: Event) {
-		select(display.id);
+		select(selected_display_ids, display.id);
 		e.stopPropagation();
 	}
 
@@ -45,7 +44,7 @@
 		hover: true,
 		active: !hovering_unselectable,
 		text: true
-	})} rounded-xl flex flex-row justify-between h-{$display_screen_height} transition-colors duration-100 gap-2 cursor-pointer w-full text-stone-200"
+	})} rounded-xl flex flex-row justify-between h-{$current_height.display} transition-colors duration-100 gap-2 cursor-pointer w-full text-stone-200"
 >
 	<div class="flex flex-row gap-4 min-w-0 flex-1">
 		<!-- Left Preview Screen -->
diff --git a/control/frontend/src/components/FileObject.svelte b/control/frontend/src/components/FileObject.svelte
deleted file mode 100644
index 7922f7f..0000000
--- a/control/frontend/src/components/FileObject.svelte
+++ /dev/null
@@ -1,48 +0,0 @@
-<script lang="ts">
-	import { CloudAlert, Folder, RefreshCcwDot, Shield } from 'lucide-svelte';
-	import { get_selectable_color_classes } from '../ts/stores/ui_behavior';
-	import Button from './Button.svelte';
-
-	let {} = $props<{}>();
-</script>
-
-<div
-	class="p-1 {get_selectable_color_classes(false, {
-		bg: true,
-		hover: true,
-		active: true,
-		text: true
-	})} h-10 rounded-lg transition-colors duration-200 gap-4 flex flex-row justify-between cursor-pointer group"
->
-	<div class="flex flex-row gap-2 min-w-0">
-		<div class="aspect-square rounded-md flex justify-center items-center">
-            <Folder />
-        </div>
-		<div class="content-center truncate select-none">
-			Tolle
-			Dateifjisodfhsuidfhdufighdfiughdfuighdfuihguifdghiudfhguidfgdfijghdfjkghdfkjghdfkjghdfkughdfjghdfkjghdfkjghfdkghdfkjghdfkghdfkghdfkjghdfkghdfkjghdfgkhdfkghfdkjghdfkghfdkghdfkjghdfjkghdk.zip
-		</div>
-	</div>
-	<div class="flex flex-row gap-1 pr-1 text-stone-400 group-hover:text-stone-300 group-active:text-stone-250 duration-200 transition-colors">
-		<Button
-			className="h-8 aspect-square transition-colors duration-200 !p-1.5"
-			bg="bg-transparent"
-			hover_bg={get_selectable_color_classes(false, {
-				bg: true
-			})}
-			active_bg={get_selectable_color_classes(false, {
-				bg: true
-			})}
-			click_function={(e) => {
-				e.stopPropagation();
-			}}
-		>
-			<RefreshCcwDot class="size-full" />
-		</Button>
-		<div class="content-center select-none text-xs whitespace-nowrap">25.09.25</div>
-		<div class="border border-stone-550 group-hover:border-stone-450 group-active:border-stone-400 duration-200 transition-colors my-1"></div>
-		<div class="content-center select-none text-xs whitespace-nowrap">MPEG</div>
-		<div class="border border-stone-550 group-hover:border-stone-450 group-active:border-stone-400 duration-200 transition-colors my-1"></div>
-		<div class="content-center select-none text-xs whitespace-nowrap">523 MB</div>
-	</div>
-</div>
diff --git a/control/frontend/src/components/FolderElementObject.svelte b/control/frontend/src/components/FolderElementObject.svelte
new file mode 100644
index 0000000..07eb828
--- /dev/null
+++ b/control/frontend/src/components/FolderElementObject.svelte
@@ -0,0 +1,223 @@
+<script lang="ts">
+	import { ArrowRight, Folder, Play, RefreshCcwDot, TriangleAlert } from 'lucide-svelte';
+	import {
+		current_height,
+		get_selectable_color_classes,
+		get_shifted_color
+	} from '../ts/stores/ui_behavior';
+	import Button from './Button.svelte';
+	import { supported_file_types, type FolderElement, type SupportedFileType } from '../ts/types';
+	import {
+		is_selected,
+		select,
+		selected_display_ids,
+		selected_file_ids
+	} from '../ts/stores/select';
+	import {
+		all_files,
+		change_file_path,
+		current_file_path,
+		get_display_ids_where_file_is_missing
+	} from '../ts/stores/files';
+	import RefreshPlay from './RefreshPlay.svelte';
+
+	let { file } = $props<{ file: FolderElement }>();
+
+	const is_folder = file.type === 'inode/directory';
+
+	function get_file_type(file: FolderElement): SupportedFileType | null {
+		for (const key of Object.keys(supported_file_types)) {
+			if (file.type === supported_file_types[key].mime_type) {
+				return supported_file_types[key];
+			}
+		}
+		// Fallback:
+		const extension = file.name.split('.').pop();
+		if (extension) {
+			if (Object.keys(supported_file_types).includes('.' + extension)) {
+				return supported_file_types['.' + extension];
+			}
+		}
+		return null;
+	}
+
+	function get_created_string(date_object: Date, full_string = false) {
+		if (full_string) {
+			return (
+				get_formated_date_string(date_object, true) + ' ' + get_formated_time_string(date_object)
+			);
+		} else if (date_object.toDateString() === new Date().toDateString()) {
+			return get_formated_time_string(date_object);
+		} else {
+			return get_formated_date_string(date_object);
+		}
+	}
+
+	function get_formated_time_string(date_object: Date) {
+		return `${date_object.getHours().toString().padStart(2, '0')}:${date_object.getMinutes().toString().padStart(2, '0')}`;
+	}
+
+	function get_formated_date_string(date_object: Date, full_year = false) {
+		return `${date_object.getDate().toString().padStart(2, '0')}.${(date_object.getMonth() + 1).toString().padStart(2, '0')}.${date_object
+			.getFullYear()
+			.toString()
+			.slice(full_year ? 0 : 2)}`;
+	}
+
+	function get_grayed_out_text_color_strings(is_selected: boolean): string {
+		const color = is_selected ? 'text-stone-600' : 'text-stone-400';
+		const factor = is_selected ? -1 : 1;
+		return `${color} group-hover:${get_shifted_color(color, factor * 100)} group-active:${get_shifted_color(color, factor * 150)}`;
+	}
+
+	function get_grayed_out_border_color_strings(is_selected: boolean): string {
+		const color = is_selected ? 'border-stone-450' : 'border-stone-550';
+		const factor = is_selected ? 1 : 1;
+		return `${color} group-hover:${get_shifted_color(color, factor * 100)} group-active:${get_shifted_color(color, factor * 150)}`;
+	}
+
+	function onclick(e: Event) {
+		select(selected_file_ids, file.id);
+		e.stopPropagation();
+	}
+
+	function open() {
+		if (is_folder) {
+			change_file_path($current_file_path + file.name + '/');
+		} else {
+			// TODO
+		}
+	}
+</script>
+
+<div class="flex flex-row h-{$current_height.file} w-full">
+	<div class="h-{$current_height.file} aspect-square max-w-15 flex">
+		<Button
+			className="flex rounded-l-lg rounded-r-none {is_folder
+				? 'text-stone-450'
+				: 'text-stone-800'} w-full"
+			div_class="w-full"
+			bg={get_selectable_color_classes(
+				!is_folder,
+				{
+					bg: true
+				},
+				-50
+			)}
+			hover_bg={get_selectable_color_classes(
+				!is_folder,
+				{
+					bg: true
+				},
+				50
+			)}
+			active_bg={get_selectable_color_classes(
+				!is_folder,
+				{
+					bg: true
+				},
+				100
+			)}
+			click_function={(e) => {
+				open();
+				e.stopPropagation();
+			}}
+		>
+			{#if is_folder}
+				<ArrowRight class="size-full" strokeWidth="3" />
+			{:else if get_display_ids_where_file_is_missing($current_file_path, file, $selected_display_ids, $all_files)[0].length !== 0}
+				<RefreshPlay className="size-full" />
+			{:else}
+				<Play class="size-full" strokeWidth="3" />
+			{/if}
+		</Button>
+	</div>
+	<div
+		role="button"
+		tabindex="0"
+		onkeydown={(e) => {
+			if (e.key === 'Enter' || e.key === ' ') onclick(e);
+		}}
+		{onclick}
+		class="{get_selectable_color_classes(is_selected(file.id, $selected_file_ids), {
+			bg: true,
+			hover: true,
+			active: true,
+			text: true
+		})} rounded-r-lg transition-colors duration-200 gap-4 flex flex-row justify-between cursor-pointer group w-full h-full min-w-0"
+	>
+		<div class="flex flex-row gap-2 min-w-0 w-full">
+			<div class="aspect-square rounded-md flex justify-center items-center p-2">
+				{#if is_folder}
+					<Folder class="size-full" />
+				{:else if file.thumbnail}
+					<div></div>
+				{:else if get_file_type(file)?.icon}
+					{@const Icon = get_file_type(file)?.icon}
+					<Icon class="size-full" />
+				{/if}
+			</div>
+			<div class="content-center truncate select-none w-full" title={file.name}>
+				{file.name.includes('.') ? file.name.slice(0, file.name.lastIndexOf('.')) : file.name}
+			</div>
+		</div>
+		<div
+			class=" p-1 flex flex-row items-center gap-1 pr-1 {get_grayed_out_text_color_strings(
+				is_selected(file.id, $selected_file_ids)
+			)} duration-200 transition-colors"
+		>
+			{#if get_display_ids_where_file_is_missing($current_file_path, file, $selected_display_ids, $all_files)[1].length !== 0}
+				<Button
+					className="h-8 aspect-square transition-colors duration-200 !p-1.5 text-stone-100"
+					bg="bg-red-500"
+					click_function={(e) => {
+						e.stopPropagation();
+					}}
+				>
+					<TriangleAlert class="size-full" />
+				</Button>
+			{:else if get_display_ids_where_file_is_missing($current_file_path, file, $selected_display_ids, $all_files)[0].length !== 0}
+				<Button
+					className="h-8 aspect-square transition-colors duration-200 !p-1.5"
+					bg="bg-transparent"
+					hover_bg={get_selectable_color_classes(false, {
+						bg: true
+					})}
+					active_bg={get_selectable_color_classes(false, {
+						bg: true
+					})}
+					click_function={(e) => {
+						e.stopPropagation();
+					}}
+				>
+					<RefreshCcwDot class="size-full" />
+				</Button>
+			{/if}
+			<div
+				class="w-14 content-center text-center select-none text-xs whitespace-nowrap"
+				title={get_created_string(file.date_created, true)}
+			>
+				{get_created_string(file.date_created)}
+			</div>
+			<div
+				class="h-[70%] border {get_grayed_out_border_color_strings(
+					is_selected(file.id, $selected_file_ids)
+				)} duration-200 transition-colors my-1"
+			></div>
+			<div
+				class="w-12 content-center text-center select-none text-xs whitespace-nowrap truncate"
+				title={file.type}
+			>
+				{is_folder ? 'Ordner' : (get_file_type(file)?.display_name ?? '?')}
+			</div>
+			<div
+				class="h-[70%] border {get_grayed_out_border_color_strings(
+					is_selected(file.id, $selected_file_ids)
+				)} duration-200 transition-colors"
+			></div>
+			<div class="w-12 content-center text-center select-none text-xs whitespace-nowrap">
+				{file.size}
+			</div>
+		</div>
+	</div>
+</div>
diff --git a/control/frontend/src/components/PathBar.svelte b/control/frontend/src/components/PathBar.svelte
new file mode 100644
index 0000000..02c3be5
--- /dev/null
+++ b/control/frontend/src/components/PathBar.svelte
@@ -0,0 +1,160 @@
+<script lang="ts">
+	import { ChevronRight, House } from 'lucide-svelte';
+	import Button from './Button.svelte';
+	import { onDestroy, onMount } from 'svelte';
+	import type { MenuOption } from '../ts/types';
+	import { change_file_path, current_file_path } from '../ts/stores/files';
+	import { fade } from 'svelte/transition';
+	import { flip } from 'svelte/animate';
+	import { cubicOut } from 'svelte/easing';
+
+	let { bg = 'bg-stone-700' } = $props<{
+		bg?: string;
+	}>();
+
+	let outside_container: HTMLDivElement;
+	let inside_container: HTMLDivElement;
+	let resize_observer: ResizeObserver;
+	let w10_div: HTMLDivElement;
+
+	let cut_folders: number = $state(0);
+	// let folders_length: number = $state(get_folders($current_file_path).length);
+	// let all_folders_length: number = $state(get_folders($current_file_path).length);
+
+	function get_folders(path: string): string[] {
+		path = path.slice(1); // Cut first '/'
+		if (path === '') return [];
+		if (path.endsWith('/')) {
+			path = path.slice(0, path.length - 1);
+		}
+		return path.split('/');
+	}
+
+	function get_sliced_folders(path: string, cut_folders: number): string[] {
+		const folders = get_folders(path);
+		let sliced_folders: string[] = [];
+		if (cut_folders !== get_folders($current_file_path).length)
+			sliced_folders = folders.slice(cut_folders);
+		return sliced_folders;
+	}
+
+	function get_hidden_folders(path: string, cut_folders: number): string[] {
+		const folders = get_folders(path);
+		let hidden_folders: string[] = [];
+		if (cut_folders !== get_folders($current_file_path).length)
+			hidden_folders = folders.slice(0, cut_folders);
+		return hidden_folders;
+	}
+
+	function recalc() {
+		if (!outside_container || !inside_container || !w10_div) return;
+		const first_shrink = cut_folders === 0;
+		const second_last_grow = cut_folders === 2;
+
+		const difference = outside_container.offsetWidth - inside_container.offsetWidth;
+
+		const w10_px = parseFloat(getComputedStyle(w10_div).width);
+
+		if ((!first_shrink && difference < 2 * w10_px) || (first_shrink && difference < w10_px)) {
+			if (cut_folders < get_folders($current_file_path).length) {
+				cut_folders += first_shrink ? 2 : 1;
+			}
+		} else if (
+			(!second_last_grow && difference > 6 * w10_px) ||
+			(second_last_grow && difference > 7 * w10_px)
+		) {
+			if (cut_folders >= 1) {
+				if (second_last_grow) {
+					cut_folders -= 2;
+				} else {
+					cut_folders -= 1;
+				}
+			}
+		}
+	}
+
+	function get_hidden_menu_options(hidden_folders: string[], path: string): MenuOption[] {
+		const out: MenuOption[] = [];
+		for (let i = 0; i < hidden_folders.length; i++) {
+			out.push({
+				name: '  '.repeat(i) + hidden_folders[i],
+				class: 'truncate max-w-80',
+				on_select: () => {
+					open_path(i + 1, path);
+				}
+			});
+		}
+		return out;
+	}
+
+	function open_path(index_of_all_folders: number, path: string) {
+		let new_path = '/';
+		const all_folders = get_folders(path);
+		for (let i = 0; i < index_of_all_folders; i++) {
+			new_path += all_folders[i] + '/';
+		}
+		change_file_path(new_path);
+	}
+
+	onMount(() => {
+		resize_observer = new ResizeObserver(() => recalc());
+		resize_observer.observe(outside_container);
+		resize_observer.observe(inside_container);
+		// initial
+		setTimeout(recalc, 0);
+	});
+	onDestroy(() => resize_observer?.disconnect());
+</script>
+
+<div class="{bg} rounded-xl flex" bind:this={outside_container}>
+	<div class="flex flex-row">
+		<div class="flex flex-row">
+			<div bind:this={w10_div} class="flex">
+				<Button
+					className="py-1 shrink-0 grow-0 w-10"
+					{bg}
+					click_function={(e) => {
+						open_path(0, $current_file_path);
+					}}
+				>
+					<House class="size-full" />
+				</Button>
+			</div>
+			{#if cut_folders !== 0}
+				<Button
+					className="pl-0 py-1 grow"
+					{bg}
+					menu_options={get_hidden_menu_options(
+						get_hidden_folders($current_file_path, cut_folders),
+						$current_file_path
+					)}
+					menu_class="left-0"
+				>
+					<ChevronRight class="shrink-0 text-stone-500 h-full" />
+					<span class="font-bold" title="Weiteren Pfad zeigen"> ... </span>
+				</Button>
+			{/if}
+		</div>
+		<div class="flex flex-row" bind:this={inside_container}>
+			{#each get_sliced_folders($current_file_path, cut_folders) as folder, i (i)}
+				<div animate:flip={{ duration: 100, easing: cubicOut }}>
+					<Button
+						className="shrink-0 py-1 pl-0 {i ===
+						get_sliced_folders($current_file_path, cut_folders).length - 1
+							? 'max-w-80 font-bold'
+							: 'max-w-30'}"
+						{bg}
+						click_function={(e) => {
+							open_path(cut_folders + i + 1, $current_file_path);
+						}}
+					>
+						<ChevronRight class="shrink-0 text-stone-500 h-full" />
+						<span class="truncate" title={folder}>
+							{folder}
+						</span>
+					</Button>
+				</div>
+			{/each}
+		</div>
+	</div>
+</div>
diff --git a/control/frontend/src/components/RefreshPlay.svelte b/control/frontend/src/components/RefreshPlay.svelte
new file mode 100644
index 0000000..c4a36a9
--- /dev/null
+++ b/control/frontend/src/components/RefreshPlay.svelte
@@ -0,0 +1,25 @@
+<script lang="ts">
+    let {className = ''} = $props<{className?: string}>();
+</script>
+
+<svg
+	xmlns="http://www.w3.org/2000/svg"
+	width="24"
+	height="24"
+	viewBox="0 0 24 24"
+	fill="none"
+	stroke="currentColor"
+	stroke-width="2.7"
+	stroke-linecap="round"
+	stroke-linejoin="round"
+	class="{className} lucide lucide-refresh-ccw-dot-icon lucide-refresh-ccw-dot"
+>
+	<path d="M21 12a9 9 0 0 0-9-9 9.75 9.75 0 0 0-6.74 2.74L3 8" />
+	<path d="M3 3v5h5" />
+	<path d="M3 12a9 9 0 0 0 9 9 9.75 9.75 0 0 0 6.74-2.74L21 16" />
+	<path d="M16 16h5v5" />
+	<path
+		d="M15.033 9.44a.647.647 0 0 1 0 1.12l-4.065 2.352a.645.645 0 0 1-.968-.56V7.648a.645.645 0 0 1 .967-.56z"
+		transform="translate(0,2.0)"
+	/>
+</svg>
diff --git a/control/frontend/src/routes/+page.svelte b/control/frontend/src/routes/+page.svelte
index ce55fb6..e1e4d47 100644
--- a/control/frontend/src/routes/+page.svelte
+++ b/control/frontend/src/routes/+page.svelte
@@ -7,10 +7,12 @@
 		ClipboardPaste,
 		Download,
 		FolderOutput,
+		FolderPlus,
 		Info,
 		Keyboard,
 		Menu,
 		Minus,
+		Pen,
 		Pencil,
 		PinOff,
 		Plus,
@@ -33,13 +35,13 @@
 	import Button from '../components/Button.svelte';
 	import SplashScreen from './../../../../shared/splash_screen.html?raw';
 	import {
-		change_display_screen_height,
-		display_screen_height,
+		change_height,
+		current_height,
 		dnd_flip_duration_ms,
 		get_selectable_color_classes,
 		is_display_drag,
 		is_group_drag,
-		next_step_possible,
+		next_height_step_size,
 		pinned_display_id
 	} from '../ts/stores/ui_behavior';
 	import { dragHandleZone } from 'svelte-dnd-action';
@@ -47,9 +49,7 @@
 		all_displays_of_group_selected,
 		displays,
 		get_display_by_id,
-		is_selected,
-		select_all_of_group,
-		selected_display_ids
+		select_all_of_group
 	} from '../ts/stores/displays';
 	import { cubicOut } from 'svelte/easing';
 	import { flip } from 'svelte/animate';
@@ -58,7 +58,11 @@
 	import OnlineState from '../components/OnlineState.svelte';
 	import type { DisplayGroup } from '../ts/types';
 	import PopUp from '../components/PopUp.svelte';
-	import FileObject from '../components/FileObject.svelte';
+	import FileObject from '../components/FolderElementObject.svelte';
+	import FolderElementObject from '../components/FolderElementObject.svelte';
+	import PathBar from '../components/PathBar.svelte';
+	import { all_files, current_file_path, get_current_folder_elements } from '../ts/stores/files';
+	import { selected_display_ids, selected_file_ids } from '../ts/stores/select';
 
 	let displays_scroll_box: HTMLElement;
 
@@ -93,17 +97,17 @@
 
 <svelte:window on:wheel={on_wheel} />
 
-<main class="bg-stone-900 h-dvh w-dvw text-stone-200 p-4 gap-4 grid grid-rows-[3rem_auto]">
+<main class="bg-stone-900 h-dvh w-dvw text-stone-200 px-4 py-2 gap-2 grid grid-rows-[3rem_auto]">
 	 <!-- {@html SplashScreen} -->
 
 	<div class="w-[calc(100dvw-(8*var(--spacing)))] flex justify-between">
-		<span class="text-4xl font-bold content-center h-full"> PLG MuDiCS </span>
-		<Button className="aspect-square" bg="bg-stone-800">
+		<span class="text-4xl font-bold content-center pl-1"> PLG MuDiCS </span>
+		<Button className="aspect-square" bg="bg-stone-800" div_class="aspect-square">
 			<Settings></Settings>
 		</Button>
 	</div>
 	<div class="w-[calc(100dvw-(8*var(--spacing)))] grid grid-cols-2 gap-2">
-		<div class="h-[calc(100dvh-3rem-(12*var(--spacing)))] flex flex-col gap-2">
+		<div class="h-[calc(100dvh-3rem-(6*var(--spacing)))] flex flex-col gap-2">
 			{#if $pinned_display_id}
 				<!-- Pinned Item -->
 				<div in:fade={{ duration: 140 }} out:fade={{ duration: 120 }}>
@@ -201,9 +205,9 @@
 								title="Bildschirme größer darstellen"
 								className="aspect-square !p-1 rounded-r-none"
 								bg="bg-stone-600"
-								disabled={next_step_possible($display_screen_height, 1)}
+								disabled={!Boolean(next_height_step_size('display', $current_height, 1))}
 								click_function={() => {
-									change_display_screen_height(1);
+									change_height('display', 1);
 								}}
 							>
 								<Plus />
@@ -212,9 +216,9 @@
 								title="Bildschirme kleiner darstellen"
 								className="aspect-square !p-1 rounded-l-none"
 								bg="bg-stone-600"
-								disabled={next_step_possible($display_screen_height, -1)}
+								disabled={!Boolean(next_height_step_size('display', $current_height, -1))}
 								click_function={() => {
-									change_display_screen_height(-1);
+									change_height('display', -1);
 								}}
 							>
 								<Minus />
@@ -256,7 +260,7 @@
 			</div>
 		</div>
 		<div
-			class="col-start-2 h-[calc(100dvh-3rem-(12*var(--spacing)))] rounded-2xl flex flex-col gap-2"
+			class="col-start-2 h-[calc(100dvh-3rem-(6*var(--spacing)))] rounded-2xl flex flex-col gap-2"
 		>
 			<div class="grid grid-rows-[2.5rem_auto] bg-stone-800 rounded-2xl min-w-0">
 				<div
@@ -307,7 +311,7 @@
 					</div>
 				</div>
 			</div>
-			<div class="bg-stone-800 h-full rounded-2xl grid grid-rows-[2.5rem_auto]">
+			<div class="bg-stone-800 h-full rounded-2xl grid grid-rows-[2.5rem_1fr] min-h-0">
 				<div class="bg-stone-700 flex justify-between w-full p-1 rounded-t-2xl min-w-0 gap-2">
 					<span class="text-xl font-bold pl-2 content-center truncate min-w-0">
 						Dateien anzeigen und verwalten
@@ -317,9 +321,9 @@
 							title="Dateien größer darstellen"
 							className="aspect-square !p-1 rounded-r-none"
 							bg="bg-stone-600"
-							disabled={next_step_possible($display_screen_height, 1)}
+							disabled={!Boolean(next_height_step_size('file', $current_height, 1))}
 							click_function={() => {
-								change_display_screen_height(1);
+								change_height('file', 1);
 							}}
 						>
 							<Plus />
@@ -328,9 +332,9 @@
 							title="Dateien kleiner darstellen"
 							className="aspect-square !p-1 rounded-l-none"
 							bg="bg-stone-600"
-							disabled={next_step_possible($display_screen_height, -1)}
+							disabled={!Boolean(next_height_step_size('file', $current_height, -1))}
 							click_function={() => {
-								change_display_screen_height(-1);
+								change_height('file', -1);
 							}}
 						>
 							<Minus />
@@ -338,35 +342,62 @@
 					</div>
 				</div>
 				<div class="flex flex-col gap-2 p-2 overflow-auto">
-					<div class="flex flex-row justify-between gap-6 overflow-x-auto">
-						<div class="flex flex-row gap-2">
-							<Button title="Eine Verzeichnis-Ebene zurück" className="px-3 flex"><FolderOutput /></Button>
-							<Button title="Datei anzeigen" className="px-3 flex gap-3">
-								<TvMinimalPlay class="shrink-0 flex"/>
-								<span class="min-w-0 hidden xl:flex">Anzeigen</span>
-							</Button>
-							<Button
-								title="Dateien zwischen Bildschirmen synchronisieren"
-								className="px-3 flex gap-3"
-								><RefreshCcw />
-								<span class="hidden 2xl:flex">Synchronisieren</span>
-							</Button>
-						</div>
-						<div class="flex flex-row gap-2">
-							<Button title="Datei(en) hochladen" className="px-3 flex"><Upload /></Button>
-							<Button title="Datei(en) herunterladen" className="px-3 flex"><Download /></Button>
-							<div class="border border-stone-700 my-1"></div>
-							<Button title="Datei(en) ausschneiden" className="px-3 flex"><Scissors /></Button>
-							<Button title="Datei(en) einfügen" className="px-3 flex"><ClipboardPaste /></Button>
-							<div class="border border-stone-700 my-1"></div>
-							<Button title="Datei(en) löschen" className="hover:!bg-red-400 px-3 flex"><Trash2 /></Button>
+					<div class="flex flex-col gap-2 p-2 bg-stone-750 rounded-xl">
+						<PathBar />
+						<div class="flex flex-row justify-between gap-6 overflow-x-auto">
+							<div class="flex flex-row gap-2 shrink-0">
+								<Button
+									title="Neuen Ordner erstellen (Neuen Ordner mit ausgewählten Objekten erstellen)"
+									className="px-3 flex"><FolderPlus /></Button
+								>
+								<div class="border border-stone-700 my-1"></div>
+								<Button title="Datei(en) hochladen" className="px-3 flex"><Upload /></Button>
+								<Button
+									title="Ausgewählte Datei(en) herunterladen"
+									className="px-3 flex"
+									disabled={$selected_file_ids.length === 0}><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"
+									><RefreshCcw />
+									<span class="hidden 2xl:flex">Synchronisieren</span>
+								</Button>
+							</div>
+							<div class="flex flex-row gap-2">
+								<Button
+									title="Ausgewählte Datei(en) ausschneiden"
+									className="px-3 flex"
+									disabled={$selected_file_ids.length === 0}><Scissors /></Button
+								>
+								<Button title="Ausgewählte Datei(en) einfügen" className="px-3 flex"
+									><ClipboardPaste /></Button
+								>
+								<div class="border border-stone-700 my-1"></div>
+								<Button
+									title="Ausgewählte Datei umbenennen"
+									className="px-3 flex"
+									disabled={$selected_file_ids.length !== 1}><Pen /></Button
+								>
+								<Button
+									title="Ausgewählte Datei(en) löschen"
+									className="hover:!bg-red-400 px-3 flex"
+									disabled={$selected_file_ids.length === 0}><Trash2 /></Button
+								>
+							</div>
 						</div>
 					</div>
-					<div class="flex flex-col gap-2 p-2 bg-stone-750 h-full rounded-xl">
-						<FileObject />
+					<div class="min-h-0 h-full overflow-y-auto bg-stone-750 rounded-xl">
+						<div class="flex flex-col gap-2 p-2 min-h-0">
+							{#each get_current_folder_elements($all_files, $current_file_path, $selected_display_ids) as folder_element (folder_element.id)}
+								<section in:slide={{ duration: 100 }} class="outline-none">
+									<FolderElementObject file={folder_element} />
+								</section>
+							{/each}
+						</div>
 					</div>
 				</div>
-
 			</div>
 		</div>
 	</div>
diff --git a/control/frontend/src/routes/test/+page.svelte b/control/frontend/src/routes/test/+page.svelte
index 7091730..ed67673 100644
--- a/control/frontend/src/routes/test/+page.svelte
+++ b/control/frontend/src/routes/test/+page.svelte
@@ -1,35 +1,47 @@
-<script lang="ts">
-  let isHoveringChild = false;
+<script>
+	import { Minus, Settings, TvMinimalPlay } from 'lucide-svelte';
 
-  function handleClickParent() {
-    if (!isHoveringChild) {
-      console.log('Parent clicked');
-    }
-  }
-
-  function handleClickChild(event: MouseEvent) {
-    console.log('Child clicked');
-    // Verhindert, dass das Event nach oben propagiert
-    event.stopPropagation();
-  }
+	import Button from '../../components/Button.svelte';
+	import { pinned_display_id } from '../../ts/stores/ui_behavior';
+	import { fade, slide } from 'svelte/transition';
 </script>
 
-<div
-  class={`relative rounded-lg p-6 transition-colors duration-200 
-    ${isHoveringChild ? 'bg-gray-200' : 'bg-gray-300 hover:bg-gray-400 active:bg-gray-500'}
-  `}
-  on:click={handleClickParent}
->
-  <p>Ich bin das Haupt-Div</p>
-
-  <div
-    class="no-display-selectable mt-4 p-4 bg-white border rounded shadow cursor-pointer"
-    on:mouseenter={() => (isHoveringChild = true)}
-    on:mouseleave={() => (isHoveringChild = false)}
-    on:click={handleClickChild}
-  >
-    Ich bin das Kind-Div (no-display-selectable)
-  </div>
-
-  <p class="mt-4">Noch mehr Inhalt...</p>
-</div>
+<main class="bg-stone-900 h-dvh w-dvw text-stone-200 p-4 gap-4 grid grid-rows-[3rem_auto]">
+	<div class="w-[calc(100dvw-(8*var(--spacing)))] flex justify-between">
+		<span class="text-4xl font-bold content-center h-full"> PLG MuDiCS </span>
+		<Button className="aspect-square" bg="bg-stone-800">
+			<Settings></Settings>
+		</Button>
+	</div>
+	<div class="w-[calc(100dvw-(8*var(--spacing)))] grid grid-cols-2 gap-2">
+		<div class="h-[calc(100dvh-3rem-(12*var(--spacing)))] flex flex-col gap-2"></div>
+		<div
+			class="col-start-2 h-[calc(100dvh-3rem-(12*var(--spacing)))] rounded-2xl flex flex-col gap-2"
+		>
+			<div class="bg-stone-800 h-full rounded-2xl grid grid-rows-[2.5rem_auto]">
+				<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
+					</span>
+					<div class="flex flex-ro"></div>
+				</div>
+				<div class="flex flex-col gap-2 p-2 max-w-full overflow-hidden min-w-0">
+					<div class="flex flex-row justify-between gap-4 min-w-0">
+						<div class="flex flex-row gap-2 min-w-0 flex-1">
+							<Button className="px-3 flex items-center gap-3 min-w-0 flex-1 justify-start">
+								<TvMinimalPlay />
+								<!-- Text: nimmt Restbreite, darf schrumpfen & ellipsieren -->
+								<span class="truncate min-w-0 flex-1">Sehr lange Beschriftung für den Button</span>
+							</Button>
+							<div class="relative min-w-0 flex">
+								<button class="text-xl font-bold pl-2 content-center truncate min-w-0">
+									Dateien anzeigen und verwalten
+								</button>
+							</div>
+						</div>
+					</div>
+				</div>
+			</div>
+		</div>
+	</div>
+</main>
diff --git a/control/frontend/src/tailwind.config.js b/control/frontend/src/tailwind.config.js
index 87465a6..be77b68 100644
--- a/control/frontend/src/tailwind.config.js
+++ b/control/frontend/src/tailwind.config.js
@@ -61,13 +61,134 @@ module.exports = {
     'active:bg-stone-900',
     'active:bg-stone-950',
 
-    'h-5',
-    'h-10',
+    'text-stone-50',
+    'text-stone-150',
+    'text-stone-200',
+    'text-stone-250',
+    'text-stone-300',
+    'text-stone-350',
+    'text-stone-100',
+    'text-stone-400',
+    'text-stone-450',
+    'text-stone-500',
+    'text-stone-550',
+    'text-stone-600',
+    'text-stone-650',
+    'text-stone-700',
+    'text-stone-750',
+    'text-stone-800',
+    'text-stone-850',
+    'text-stone-900',
+    'text-stone-950',
+
+    'group-hover:text-stone-100',
+    'group-hover:text-stone-150',
+    'group-hover:text-stone-200',
+    'group-hover:text-stone-50',
+    'group-hover:text-stone-250',
+    'group-hover:text-stone-300',
+    'group-hover:text-stone-350',
+    'group-hover:text-stone-400',
+    'group-hover:text-stone-450',
+    'group-hover:text-stone-500',
+    'group-hover:text-stone-550',
+    'group-hover:text-stone-600',
+    'group-hover:text-stone-650',
+    'group-hover:text-stone-700',
+    'group-hover:text-stone-750',
+    'group-hover:text-stone-800',
+    'group-hover:text-stone-850',
+    'group-hover:text-stone-900',
+    'group-hover:text-stone-950',
+
+    'group-active:text-stone-50',
+    'group-active:text-stone-100',
+    'group-active:text-stone-150',
+    'group-active:text-stone-200',
+    'group-active:text-stone-250',
+    'group-active:text-stone-300',
+    'group-active:text-stone-350',
+    'group-active:text-stone-400',
+    'group-active:text-stone-450',
+    'group-active:text-stone-500',
+    'group-active:text-stone-550',
+    'group-active:text-stone-600',
+    'group-active:text-stone-650',
+    'group-active:text-stone-700',
+    'group-active:text-stone-750',
+    'group-active:text-stone-800',
+    'group-active:text-stone-850',
+    'group-active:text-stone-950',
+    'group-active:text-stone-900',
+
+    'border-stone-50',
+    'border-stone-100',
+    'border-stone-150',
+    'border-stone-200',
+    'border-stone-250',
+    'border-stone-300',
+    'border-stone-350',
+    'border-stone-400',
+    'border-stone-450',
+    'border-stone-500',
+    'border-stone-550',
+    'border-stone-600',
+    'border-stone-650',
+    'border-stone-700',
+    'border-stone-750',
+    'border-stone-800',
+    'border-stone-850',
+    'border-stone-900',
+    'border-stone-950',
+
+    'group-hover:border-stone-50',
+    'group-hover:border-stone-100',
+    'group-hover:border-stone-150',
+    'group-hover:border-stone-200',
+    'group-hover:border-stone-250',
+    'group-hover:border-stone-300',
+    'group-hover:border-stone-350',
+    'group-hover:border-stone-400',
+    'group-hover:border-stone-450',
+    'group-hover:border-stone-500',
+    'group-hover:border-stone-550',
+    'group-hover:border-stone-600',
+    'group-hover:border-stone-650',
+    'group-hover:border-stone-700',
+    'group-hover:border-stone-750',
+    'group-hover:border-stone-800',
+    'group-hover:border-stone-850',
+    'group-hover:border-stone-950',
+    'group-hover:border-stone-900',
+
+    'group-active:border-stone-50',
+    'group-active:border-stone-100',
+    'group-active:border-stone-150',
+    'group-active:border-stone-200',
+    'group-active:border-stone-250',
+    'group-active:border-stone-300',
+    'group-active:border-stone-350',
+    'group-active:border-stone-400',
+    'group-active:border-stone-450',
+    'group-active:border-stone-500',
+    'group-active:border-stone-550',
+    'group-active:border-stone-600',
+    'group-active:border-stone-650',
+    'group-active:border-stone-700',
+    'group-active:border-stone-750',
+    'group-active:border-stone-800',
+    'group-active:border-stone-850',
+    'group-active:border-stone-900',
+    'group-active:border-stone-950',
+
     'h-15',
     'h-20',
     'h-25',
     'h-30',
     'h-35',
     'h-40',
+
+    'right-0',
+    'left-0',
   ],
 }
diff --git a/control/frontend/src/ts/api_handler.ts b/control/frontend/src/ts/api_handler.ts
new file mode 100644
index 0000000..b49be87
--- /dev/null
+++ b/control/frontend/src/ts/api_handler.ts
@@ -0,0 +1,25 @@
+
+
+
+export async function get_file_data(ip: string, path: string = './') {
+    const options = {
+        method: 'PATCH',
+        headers: { 'content-type': 'application/json' },
+        body: `{"command":"cd ${path} && find . -maxdepth 1 -mindepth 1 -print0 | while IFS= read -r -d \'\' f; do\n  typ=$(file -b --mime-type -- \"$f\")\n  size=$(stat -c \'%s\' -- \"$f\")\n  created=$(stat -c \'%w\' -- \"$f\")\n  [ \"$created\" = \"-\" ] && created=$(stat -c \'%y\' -- \"$f\")\n  jq -n --arg name \"$f\" --arg type \"$typ\" --arg size \"$size\" --arg created \"$created\" \'{name:$name, type:$type, size:($size|tonumber), created:$created}\' | tr -d \'\\n\'\n  echo\n done\n"}`
+    };
+    console.log(request(ip, '/shellCommand', options));
+}
+
+
+
+
+async function request(ip: string, api_route: string, options: { method: string, headers?: Record<string, string>, body?: string }) {
+    try {
+        const url = `http://${ip}:1323/api${api_route}`;
+        const response = await fetch(url, options);
+        const data = await response.json();
+        return data;
+    } catch (error) {
+        console.error(error);
+    }
+}
\ No newline at end of file
diff --git a/control/frontend/src/ts/stores/displays.ts b/control/frontend/src/ts/stores/displays.ts
index 99b32db..a43c440 100644
--- a/control/frontend/src/ts/stores/displays.ts
+++ b/control/frontend/src/ts/stores/displays.ts
@@ -1,14 +1,12 @@
 import { get, writable, type Writable } from "svelte/store";
+import type { Display, DisplayGroup } from "../types";
+import { is_selected, select, selected_display_ids } from "./select";
 
 export const displays: Writable<DisplayGroup[]> = writable<DisplayGroup[]>([{
     id: crypto.randomUUID(),
     data: []
 }]);
 
-export const selected_display_ids: Writable<string[]> = writable<string[]>([]);
-
-
-add_testing_displays();
 
 function add_display(ip: string, mac: string, name: string, status: string) {
     displays.update((displays: DisplayGroup[]) => {
@@ -17,24 +15,6 @@ function add_display(ip: string, mac: string, name: string, status: string) {
     });
 }
 
-export function select(display_id: string, new_value: boolean | null = null) {
-    selected_display_ids.update((all_ids: string[]) => {
-        if (all_ids.includes(display_id)) {
-            const index = all_ids.indexOf(display_id);
-            if (index > -1 && new_value !== true) {
-                all_ids.splice(index, 1);
-            }
-        } else if (new_value !== false) {
-            all_ids.push(display_id);
-        }
-        return all_ids;
-    });
-}
-
-export function is_selected(display_id: string, current_selected_display_ids: string[]): boolean {
-    return current_selected_display_ids.includes(display_id);
-}
-
 export function all_displays_of_group_selected(display_group: DisplayGroup, current_selected_displays: string[]) {
     if (display_group.data.length === 0) return false;
     for (const display of display_group.data) {
@@ -47,7 +27,7 @@ export function all_displays_of_group_selected(display_group: DisplayGroup, curr
 
 export function select_all_of_group(display_group: DisplayGroup, new_value: boolean | null = null) {
     for (const display of display_group.data) {
-        select(display.id, new_value);
+        select(selected_display_ids, display.id, new_value);
     }
 }
 
@@ -99,10 +79,12 @@ export function remove_empty_display_groups() {
 
 
 
-
+add_testing_displays();
 function add_testing_displays() {
-    const names = ["Vorne Rechts", "Vorne Links", "Vorne Mitte", "Fernseher Rechts", "Fernseher Bühne", "UIUIUIUIUIUIUISEHRLANGERTEXT DER IST WIRKLICH LANG, DER TEXT, so lang, dass er wirklich nirgendswo hinpasst, nichtmal da oben /\\"];
-    for (const name of names) {
-        add_display("192.168.1.42", "00:1A:2B:3C:4D:5E", name, "Offline");
-    }
+    // const names = ["Vorne Rechts", "Vorne Links", "Vorne Mitte", "Fernseher Rechts", "Fernseher Bühne", "UIUIUIUIUIUIUISEHRLANGERTEXT DER IST WIRKLICH LANG, DER TEXT, so lang, dass er wirklich nirgendswo hinpasst, nichtmal da oben /\\"];
+    // for (const name of names) {
+    //     add_display("127.0.0.1", "00:1A:2B:3C:4D:5E", name, "Offline");
+    // }
+
+    add_display("127.0.0.1", "00:1A:2B:3C:4D:5E", "Test", "Offline")
 }
\ No newline at end of file
diff --git a/control/frontend/src/ts/stores/files.ts b/control/frontend/src/ts/stores/files.ts
new file mode 100644
index 0000000..8df0c89
--- /dev/null
+++ b/control/frontend/src/ts/stores/files.ts
@@ -0,0 +1,239 @@
+import { get, writable, type Writable } from "svelte/store";
+import type { FolderElement } from "../types";
+import { displays } from "./displays";
+import { selected_display_ids, selected_file_ids } from "./select";
+import { get_file_data } from "../api_handler";
+
+export const all_files: Writable<Record<string, Record<string, FolderElement[]>>> = writable<Record<string, Record<string, FolderElement[]>>>({});
+// {
+// path: {
+//          display_id: FolderElement[]
+//          ...
+//      },
+// path2: {
+//          display_id: FolderElement[]
+//          ...
+//      },
+// ...
+// }
+
+export const current_file_path: Writable<string> = writable<string>('/');
+
+
+export function change_file_path(new_path: string) {
+    current_file_path.update(() => {
+        return new_path;
+    });
+    selected_file_ids.update(() => {
+        return [];
+    })
+}
+
+export function get_display_ids_where_file_is_missing(path: string, file: FolderElement, selected_display_ids: string[], all_files: Record<string, Record<string, FolderElement[]>>): string[][] {
+    if (!all_files.hasOwnProperty(path)) return [];
+    const missing: string[] = [];
+    const colliding: string[] = [];
+    Display:
+    for (const selected_display_id of selected_display_ids) {
+        if (!all_files[path].hasOwnProperty(selected_display_id)) {
+            missing.push(selected_display_id);
+            continue;
+        }
+        for (const folder_element of all_files[path][selected_display_id]) {
+            if (folder_element.name === file.name) {
+                if (folder_element.hash !== file.hash) {
+                    colliding.push(selected_display_id);
+                }
+                continue Display;
+            }
+        }
+        missing.push(selected_display_id);
+    }
+    return [missing, colliding];
+}
+
+
+export function updates_files_on_display(display_id: string, new_folder_elements: FolderElement[], file_path: string) {
+    all_files.update((files) => {
+        if (!files.hasOwnProperty(file_path)) {
+            files[file_path] = {};
+        }
+        for (const new_folder_element of new_folder_elements) {
+            new_folder_element.id = crypto.randomUUID();
+        }
+        files[file_path][display_id] = new_folder_elements;
+        return files;
+    });
+}
+
+function get_files_on_all_displays() {
+    for (const display_group of get(displays)) {
+        for (const display of display_group.data) {
+            get_file_data(display.ip)
+        }
+    }
+}
+
+
+export function get_current_folder_elements(all_files: Record<string, Record<string, FolderElement[]>>, current_file_path: string, selected_display_ids: string[]) {
+    if (!all_files.hasOwnProperty(current_file_path)) {
+        get_files_on_all_displays();
+        return [];
+    }
+    const files_on_display_array = all_files[current_file_path];
+    const files: FolderElement[] = [];
+    for (const key of Object.keys(files_on_display_array)) {
+        if (selected_display_ids.includes(key)) {
+            FileOnDisplay:
+            for (const file_on_display of files_on_display_array[key]) {
+                for (const existing_file of files) {
+                    if (file_on_display.name === existing_file.name) {
+                        if (file_on_display.hash === existing_file.hash) {
+                            continue FileOnDisplay;
+                        }
+                    }
+                }
+                files.push(file_on_display);
+            }
+        }
+    }
+
+    return sort_files(files);
+}
+
+function sort_files(files: FolderElement[]) {
+    files.sort((a, b) => {
+        const isDirA = a.type === 'inode/directory';
+        const isDirB = b.type === 'inode/directory';
+
+        // Ordner zuerst
+        if (isDirA && !isDirB) return -1;
+        if (!isDirA && isDirB) return 1;
+
+        // Danach alphabetisch nach name (case-insensitive)
+        const nameCompare = a.name.localeCompare(b.name, undefined, { sensitivity: 'base' });
+        if (nameCompare !== 0) return nameCompare;
+
+        // Wenn name gleich, absteigend nach date_created
+        return b.date_created.getTime() - a.date_created.getTime();
+    });
+    return files;
+}
+
+
+
+
+
+
+add_test_files();
+export function add_test_files() {
+    // updates_files_on_display(get(displays)[0].data[0].id, [
+    //     {
+    //         hash: "ok",
+    //         thumbnail: null,
+    //         name: "ok.png",
+    //         type: "image/png",
+    //         date_created: new Date("2022-09-10"),
+    //         size: "32 KB"
+    //     },
+    //     {
+    //         hash: "schön",
+    //         thumbnail: null,
+    //         name: "schön.png",
+    //         type: "image/png",
+    //         date_created: new Date("2023-09-10"),
+    //         size: "2 GB"
+    //     },
+    //     {
+    //         hash: "lang",
+    //         thumbnail: null,
+    //         name: "langer Bildname der wirklich gar nicht mehr aufhört, sodass man mal gut testen kann, wie die UI darauf reagiert.odp",
+    //         type: "application/vnd.oasis.opendocument.presentation",
+    //         date_created: new Date("2028-09-10"),
+    //         size: "324 KB"
+    //     },
+    //     {
+    //         hash: "Schön hier aber waren Sie mal in Baden Würtemberg?",
+    //         thumbnail: null,
+    //         name: "Schön hier aber waren Sie mal in Baden Würtemberg?.mp4",
+    //         type: "video/mp4",
+    //         date_created: new Date("2024-09-10"),
+    //         size: "32 KB"
+    //     },
+    //     {
+    //         hash: "lan4234g",
+    //         thumbnail: null,
+    //         name: "Ein schöner Ordner",
+    //         type: 'inode/directory',
+    //         date_created: new Date("2025-01-02"),
+    //         size: "324 TB"
+    //     },
+    //     {
+    //         hash: "Schön hi23424er aber waren Sie mal in Baden Würtemberg?",
+    //         thumbnail: null,
+    //         name: "Ein hässlicher Ordner",
+    //         type: 'inode/directory',
+    //         date_created: new Date("2025-10-22"),
+    //         size: "1 B"
+    //     },
+    // ], '/');
+
+
+    // updates_files_on_display(get(displays)[0].data[0].id, [
+    //     {
+    //         hash: "ok",
+    //         thumbnail: null,
+    //         name: "ok.png",
+    //         type: "image/png",
+    //         date_created: new Date("2022-09-10"),
+    //         size: "32 KB"
+    //     },
+    //     {
+    //         hash: "schön",
+    //         thumbnail: null,
+    //         name: "schön.png",
+    //         type: "image/png",
+    //         date_created: new Date("2023-09-10"),
+    //         size: "2 GB"
+    //     },
+    // ], '/Ein hässlicher Ordner/');
+
+    // updates_files_on_display(get(displays)[0].data[0].id, [
+    //     {
+    //         hash: "nö",
+    //         thumbnail: null,
+    //         name: "nö.png",
+    //         type: "image/png",
+    //         date_created: new Date("2022-09-10"),
+    //         size: "32 KB"
+    //     },
+    //     {
+    //         hash: "na gut",
+    //         thumbnail: null,
+    //         name: "na gut.png",
+    //         type: "image/png",
+    //         date_created: new Date("2023-09-10"),
+    //         size: "2 GB"
+    //     },
+    // ], '/Ein schöner Ordner/');
+
+
+
+    // updates_files_on_display(get(displays)[0].data[1].id, [
+    //     {
+    //         hash: "okk",
+    //         thumbnail: null,
+    //         name: "ok.png",
+    //         type: "image/png",
+    //         date_created: new Date("2022-09-10"),
+    //         size: "32 KB"
+    //     },
+    //     {
+    //         hash: "schön",
+    //         thumbnail: null,
+    //         name: "schön.png",
+    //         type: "image/png",
+    //         date_created: new Date("2023-09-10"),
+    //         size: "2 GB"
+    //     },], '/');
+}
diff --git a/control/frontend/src/ts/stores/select.ts b/control/frontend/src/ts/stores/select.ts
new file mode 100644
index 0000000..31d36fe
--- /dev/null
+++ b/control/frontend/src/ts/stores/select.ts
@@ -0,0 +1,23 @@
+import { writable, type Writable } from "svelte/store";
+
+export const selected_file_ids: Writable<string[]> = writable<string[]>([]);
+export const selected_display_ids: Writable<string[]> = writable<string[]>([]);
+
+
+export function select(selected_ids: Writable<string[]>, id: string, new_value: boolean | null = null) {
+    selected_ids.update((all_ids: string[]) => {
+        if (all_ids.includes(id)) {
+            const index = all_ids.indexOf(id);
+            if (index > -1 && new_value !== true) {
+                all_ids.splice(index, 1);
+            }
+        } else if (new_value !== false) {
+            all_ids.push(id);
+        }
+        return all_ids;
+    });
+}
+
+export function is_selected(id: string, selected_ids: string[]): boolean {
+    return selected_ids.includes(id);
+}
diff --git a/control/frontend/src/ts/stores/ui_behavior.ts b/control/frontend/src/ts/stores/ui_behavior.ts
index 8ff8f1a..6057ec3 100644
--- a/control/frontend/src/ts/stores/ui_behavior.ts
+++ b/control/frontend/src/ts/stores/ui_behavior.ts
@@ -1,36 +1,51 @@
-import type { NumericRange } from "@sveltejs/kit";
-import { get, writable, type Writable } from "svelte/store";
+import { writable, type Writable } from "svelte/store";
 
-const screen_height_step_size = 5;
 export const dnd_flip_duration_ms = 300;
 
-const min_display_screen_height = 15;
-const max_display_screen_height = 40;
-export const display_screen_height: Writable<number> = writable<number>(25);
+const heights_options: Record<string, { min: number; max: number; step: number }> = {
+    display: {
+        min: 15,
+        max: 40,
+        step: 5,
+    },
+    file: {
+        min: 10,
+        max: 20,
+        step: 5,
+    }
+}
+
+export const current_height: Writable<Record<string, number>> = writable<Record<string, number>>({
+    display: 25,
+    file: 10,
+});
+
 
 export const is_group_drag: Writable<boolean> = writable<boolean>(false);
 export const is_display_drag: Writable<boolean> = writable<boolean>(false);
 
 export const pinned_display_id: Writable<string | null> = writable<string | null>(null);
 
-export function change_display_screen_height(factor: number) {
-    display_screen_height.update((current_height) => {
-        const new_size = current_height + (factor * screen_height_step_size);
-        if (new_size > max_display_screen_height || new_size < min_display_screen_height) {
-            return current_height;
-        } else {
-            return new_size;
-        }
+
+export function change_height(key: 'display' | 'file', factor: number) {
+    current_height.update((height) => {
+        height[key] = next_height_step_size(key, height, factor) || height[key];
+        return height;
     });
 }
 
-
-export function next_step_possible(current_height: number, factor: number) {
-    const new_size = current_height + (factor * screen_height_step_size);
-    return new_size > max_display_screen_height || new_size < min_display_screen_height;
+export function next_height_step_size(key: 'display' | 'file', current_height_array: Record<string, number>, factor: number): number {
+    const new_size = current_height_array[key] + (factor * heights_options[key].step);
+    if (new_size > heights_options[key].max || new_size < heights_options[key].min) {
+        return 0;
+    } else {
+        return new_size;
+    }
 }
 
 
+
+
 export function get_selectable_color_classes(
     selected: boolean,
     returning_classes: { bg?: boolean; hover?: boolean; active?: boolean; text?: boolean } = {},
diff --git a/control/frontend/src/ts/types.ts b/control/frontend/src/ts/types.ts
index fa738c9..6e9ac42 100644
--- a/control/frontend/src/ts/types.ts
+++ b/control/frontend/src/ts/types.ts
@@ -1,4 +1,59 @@
-import type { X } from "lucide-svelte";
+import { FileBox, FileImage, FileVideoCamera, ImagePlay, type X } from "lucide-svelte";
+
+export type SupportedFileType = {
+    display_name:
+    string; mime_type:
+    string; icon: typeof X;
+};
+
+export const supported_file_types: Record<string, SupportedFileType> = {
+    '.mp4': {
+        display_name: 'MP4',
+        mime_type: 'video/mp4',
+        icon: FileVideoCamera,
+    },
+    '.jpg': {
+        display_name: 'JPG',
+        mime_type: 'image/jpg',
+        icon: FileImage,
+    },
+    '.jpeg': {
+        display_name: 'JPG',
+        mime_type: 'image/jpeg',
+        icon: FileImage,
+    },
+    '.png': {
+        display_name: 'PNG',
+        mime_type: 'image/png',
+        icon: FileImage,
+    },
+    '.gif': {
+        display_name: 'GIF',
+        mime_type: 'image/gif',
+        icon: ImagePlay,
+    },
+    '.pptx': {
+        display_name: 'PPTX',
+        mime_type: 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
+        icon: FileBox,
+    },
+    '.odp': {
+        display_name: 'ODP',
+        mime_type: 'application/vnd.oasis.opendocument.presentation',
+        icon: FileBox,
+    }
+}
+
+export type FolderElement = {
+    id?: string;
+    hash: string;
+    thumbnail: Blob | null;
+    name: string;
+    type: string;
+    date_created: Date;
+    size: string;
+}
+
 
 export type Display = {
     id: string;
@@ -20,5 +75,4 @@ export type MenuOption = {
     class?: string;
     on_select?: () => void;
     disabled?: boolean;
-}
-
+}
\ No newline at end of file
diff --git a/display/requests/shellComand.bru b/display/requests/shellComand.bru
index 48bb412..1dfcde0 100644
--- a/display/requests/shellComand.bru
+++ b/display/requests/shellComand.bru
@@ -12,10 +12,12 @@ patch {
 
 body:json {
   {
-    "command": "ls"
+    "command": "find . -maxdepth 1 -mindepth 1 -print0 | while IFS= read -r -d '' f; do\n  typ=$(file -b --mime-type -- \"$f\")\n  size=$(stat -c '%s' -- \"$f\")\n  created=$(stat -c '%w' -- \"$f\")\n  [ \"$created\" = \"-\" ] && created=$(stat -c '%y' -- \"$f\")\n  jq -n --arg name \"$f\" --arg type \"$typ\" --arg size \"$size\" --arg created \"$created\" '{name:$name, type:$type, size:($size|tonumber), created:$created}' | tr -d '\\n'\n  echo\n done\n"
   }
+  
 }
 
 settings {
   encodeUrl: true
+  timeout: 0
 }
diff --git a/display/requests/uploadFile.bru b/display/requests/uploadFile.bru
index 7b5c92b..57dee83 100644
--- a/display/requests/uploadFile.bru
+++ b/display/requests/uploadFile.bru
@@ -5,11 +5,16 @@ meta {
 }
 
 post {
-  url: 127.0.0.1:1323/api/file/titel.jpg
+  url: 127.0.0.1:1323/api/file/test.mp4
   body: file
   auth: inherit
 }
 
+body:file {
+  file: @file(/home/fedorra-44/Downloads/10 Revenge Party und Playoff.mov) @contentType(video/quicktime)
+}
+
 settings {
   encodeUrl: true
+  timeout: 0
 }