fnx_web/svelte/src/filesystem/viewers/FilePreview.svelte

<script>
import { tick } from "svelte";
import Spinner from "../../util/Spinner.svelte";
import { fs_node_type } from "../FilesystemUtil";
import FileManager from "../filemanager/FileManager.svelte";
import Audio from "./Audio.svelte";
import File from "./File.svelte";
import Image from "./Image.svelte";
import Pdf from "./PDF.svelte";
import Text from "./Text.svelte";
import Video from "./Video.svelte";
import Torrent from "./Torrent.svelte";
import Zip from "./Zip.svelte";

export let fs_navigator
export let toolbar_visible
export let edit_window

export let state
let viewer
let viewer_type = ""

export const state_update = async () => {
	// Update the viewer area with the right viewer type
	viewer_type = fs_node_type(state.base)

	console.debug("Previewing file", state.base, "viewer type", viewer_type)

	// Render the viewer component and set the file type
	await tick()
	if (viewer) {
		viewer.update()
	}
}
</script>

<div class="file_preview checkers" class:toolbar_visible>
	{#if viewer_type === ""}
		<div class="center">
			<Spinner></Spinner>
		</div>
	{:else if viewer_type === "dir"}
		<FileManager
			fs_navigator={fs_navigator}
			state={state}
			edit_window={edit_window}
			on:loading
		/>
	{:else if viewer_type === "audio"}
		<Audio state={state} on:open_sibling/>
	{:else if viewer_type === "image"}
		<Image state={state} on:open_sibling/>
	{:else if viewer_type === "video"}
		<Video state={state} bind:this={viewer} on:open_sibling/>
	{:else if viewer_type === "pdf"}
		<Pdf state={state}/>
	{:else if viewer_type === "text"}
		<Text state={state}/>
	{:else if viewer_type === "torrent"}
		<Torrent state={state} bind:this={viewer} on:loading on:download/>
	{:else if viewer_type === "zip"}
		<Zip state={state} bind:this={viewer} on:loading on:download />
	{:else}
		<File state={state} on:download/>
	{/if}
</div>

<style>
.file_preview {
	position: absolute;
	left: 0;
	right: 0;
	top: 0;
	bottom: 0;
	display: block;
	min-height: 100px;
	min-width: 100px;
	transition: left 0.25s;
	overflow: auto;
	text-align: center;
	border-radius: 8px;
	border: 2px solid var(--separator);
}

.file_preview.toolbar_visible {
	left: 8em;
}

.center{
	position: relative;
	display: block;
	margin: auto;
	width: 100px;
	max-width: 100%;
	height: 100px;
	max-height: 100%;
	top: 50%;
	transform: translateY(-50%);
}
</style>