chore: optimize pdf view

src/lib/components/common/FileItemModal.svelte

@@ -1,6 +1,7 @@
 <script lang="ts">
 	import { getContext, onMount } from 'svelte';
 	import { formatFileSize, getLineCount } from '$lib/utils';
+	import { WEBUI_API_BASE_URL } from '$lib/constants';
 
 	const i18n = getContext('i18n');
 
@@ -12,14 +13,13 @@
 
 	export let item;
 	export let show = false;
-
 	export let edit = false;
 
 	let enableFullContent = false;
+	$: isPDF = item?.meta?.content_type === 'application/pdf' ||
+	          (item?.name && item?.name.toLowerCase().endsWith('.pdf'));
 
 	onMount(() => {
-		console.log(item);
-
 		if (item?.context === 'full') {
 			enableFullContent = true;
 		}
@@ -33,9 +33,13 @@
 				<div>
 					<div class=" font-medium text-lg dark:text-gray-100">
 						<a
-							href={item.url ? (item.type === 'file' ? `${item.url}/content` : `${item.url}`) : '#'}
-							target="_blank"
+							href="#"
 							class="hover:underline line-clamp-1"
+							on:click|preventDefault={() => {
+								if (!isPDF && item.url) {
+									window.open(item.type === 'file' ? `${item.url}/content` : `${item.url}`, '_blank');
+								}
+							}}
 						>
 							{item?.name ?? 'File'}
 						</a>
@@ -101,8 +105,18 @@
 			</div>
 		</div>
 
-		<div class="max-h-96 overflow-scroll scrollbar-hidden text-xs whitespace-pre-wrap">
-			{item?.file?.data?.content ?? 'No content'}
+		<div class="max-h-[75vh] overflow-auto">
+			{#if isPDF}
+				<iframe
+					title={item?.name}
+					src={`${WEBUI_API_BASE_URL}/files/${item.id}/content`}
+					class="w-full h-[70vh] border-0 rounded-lg mt-4"
+				/>
+			{:else}
+				<div class="max-h-96 overflow-scroll scrollbar-hidden text-xs whitespace-pre-wrap">
+					{item?.file?.data?.content ?? 'No content'}
+				</div>
+			{/if}
 		</div>
 	</div>
 </Modal>