mirror of
https://github.com/DayuanJiang/next-ai-draw-io.git
synced 2026-01-02 22:32:27 +08:00
Add i18n support, language toggle UI, and translate Settings dialog (#334)
* i18n support added
* fix: align i18n implementation with Next.js 16 guide
- Rename middleware.ts to proxy.ts (Next.js 16 convention)
- Fix params type to Promise<{lang: string}> for layout/metadata
- Add 'server-only' directive and dynamic imports to dictionaries.ts
- Add hasLocale type guard and notFound() for invalid locales
- Wrap LanguageToggle in Suspense for useSearchParams
- Fix dictionary key mismatch (learnmore -> learnMore)
- Improve Chinese translations per Gemini review:
- loading ellipsis, new -> 新建, styledMode -> 精致
- goodResponse/badResponse -> 有帮助/无帮助
- closeProtection -> 关闭确认, fileExceeds phrasing
- Improve Japanese translations per Gemini review:
- closeProtection -> ページ離脱確認
- invalidAccessCode phrasing, appendDiagram -> に追加
- styledMode -> スタイル付き
---------
Co-authored-by: dayuan.jiang <jdy.toh@gmail.com>
This commit is contained in:
Biki Kalita
249
app/[lang]/page.tsx
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249
app/[lang]/page.tsx
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"use client"
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import { useCallback, useEffect, useRef, useState } from "react"
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import { DrawIoEmbed } from "react-drawio"
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import type { ImperativePanelHandle } from "react-resizable-panels"
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import ChatPanel from "@/components/chat-panel"
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import { STORAGE_CLOSE_PROTECTION_KEY } from "@/components/settings-dialog"
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import {
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ResizableHandle,
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ResizablePanel,
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ResizablePanelGroup,
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} from "@/components/ui/resizable"
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import { useDiagram } from "@/contexts/diagram-context"
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const drawioBaseUrl =
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process.env.NEXT_PUBLIC_DRAWIO_BASE_URL || "https://embed.diagrams.net"
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export default function Home() {
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const {
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drawioRef,
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handleDiagramExport,
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onDrawioLoad,
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resetDrawioReady,
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saveDiagramToStorage,
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showSaveDialog,
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setShowSaveDialog,
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} = useDiagram()
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const [isMobile, setIsMobile] = useState(false)
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const [isChatVisible, setIsChatVisible] = useState(true)
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const [drawioUi, setDrawioUi] = useState<"min" | "sketch">("min")
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const [darkMode, setDarkMode] = useState(false)
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const [isLoaded, setIsLoaded] = useState(false)
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const [closeProtection, setCloseProtection] = useState(false)
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const chatPanelRef = useRef<ImperativePanelHandle>(null)
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const isSavingRef = useRef(false)
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const mouseOverDrawioRef = useRef(false)
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const isMobileRef = useRef(false)
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// Reset saving flag when dialog closes (with delay to ignore lingering save events from draw.io)
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useEffect(() => {
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if (!showSaveDialog) {
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const timeout = setTimeout(() => {
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isSavingRef.current = false
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}, 1000)
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return () => clearTimeout(timeout)
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}
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}, [showSaveDialog])
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// Handle save from draw.io's built-in save button
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// Note: draw.io sends save events for various reasons (focus changes, etc.)
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// We use mouse position to determine if the user is interacting with draw.io
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const handleDrawioSave = useCallback(() => {
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if (!mouseOverDrawioRef.current) return
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if (isSavingRef.current) return
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isSavingRef.current = true
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setShowSaveDialog(true)
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}, [setShowSaveDialog])
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// Load preferences from localStorage after mount
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useEffect(() => {
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const savedUi = localStorage.getItem("drawio-theme")
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if (savedUi === "min" || savedUi === "sketch") {
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setDrawioUi(savedUi)
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}
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const savedDarkMode = localStorage.getItem("next-ai-draw-io-dark-mode")
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if (savedDarkMode !== null) {
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const isDark = savedDarkMode === "true"
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setDarkMode(isDark)
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document.documentElement.classList.toggle("dark", isDark)
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} else {
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const prefersDark = window.matchMedia(
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"(prefers-color-scheme: dark)",
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).matches
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setDarkMode(prefersDark)
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document.documentElement.classList.toggle("dark", prefersDark)
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}
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const savedCloseProtection = localStorage.getItem(
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STORAGE_CLOSE_PROTECTION_KEY,
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)
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if (savedCloseProtection === "true") {
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setCloseProtection(true)
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}
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setIsLoaded(true)
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}, [])
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const handleDarkModeChange = async () => {
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await saveDiagramToStorage()
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const newValue = !darkMode
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setDarkMode(newValue)
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localStorage.setItem("next-ai-draw-io-dark-mode", String(newValue))
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document.documentElement.classList.toggle("dark", newValue)
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resetDrawioReady()
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}
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const handleDrawioUiChange = async () => {
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await saveDiagramToStorage()
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const newUi = drawioUi === "min" ? "sketch" : "min"
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localStorage.setItem("drawio-theme", newUi)
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setDrawioUi(newUi)
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resetDrawioReady()
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}
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// Check mobile - save diagram and reset draw.io before crossing breakpoint
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const isInitialRenderRef = useRef(true)
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useEffect(() => {
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const checkMobile = () => {
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const newIsMobile = window.innerWidth < 768
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if (
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!isInitialRenderRef.current &&
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newIsMobile !== isMobileRef.current
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) {
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saveDiagramToStorage().catch(() => {})
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resetDrawioReady()
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}
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isMobileRef.current = newIsMobile
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isInitialRenderRef.current = false
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setIsMobile(newIsMobile)
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}
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checkMobile()
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window.addEventListener("resize", checkMobile)
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return () => window.removeEventListener("resize", checkMobile)
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}, [saveDiagramToStorage, resetDrawioReady])
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const toggleChatPanel = () => {
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const panel = chatPanelRef.current
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if (panel) {
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if (panel.isCollapsed()) {
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panel.expand()
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setIsChatVisible(true)
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} else {
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panel.collapse()
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setIsChatVisible(false)
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}
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}
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}
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// Keyboard shortcut for toggling chat panel
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useEffect(() => {
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const handleKeyDown = (event: KeyboardEvent) => {
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if ((event.ctrlKey || event.metaKey) && event.key === "b") {
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event.preventDefault()
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toggleChatPanel()
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}
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}
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window.addEventListener("keydown", handleKeyDown)
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return () => window.removeEventListener("keydown", handleKeyDown)
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}, [])
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// Show confirmation dialog when user tries to leave the page
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useEffect(() => {
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if (!closeProtection) return
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const handleBeforeUnload = (event: BeforeUnloadEvent) => {
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event.preventDefault()
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return ""
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}
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window.addEventListener("beforeunload", handleBeforeUnload)
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return () =>
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window.removeEventListener("beforeunload", handleBeforeUnload)
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}, [closeProtection])
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return (
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<div className="h-screen bg-background relative overflow-hidden">
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<ResizablePanelGroup
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id="main-panel-group"
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direction={isMobile ? "vertical" : "horizontal"}
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className="h-full"
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>
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<ResizablePanel
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id="drawio-panel"
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defaultSize={isMobile ? 50 : 67}
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minSize={20}
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>
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<div
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className={`h-full relative ${
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isMobile ? "p-1" : "p-2"
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}`}
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onMouseEnter={() => {
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mouseOverDrawioRef.current = true
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}}
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onMouseLeave={() => {
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mouseOverDrawioRef.current = false
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}}
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>
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<div className="h-full rounded-xl overflow-hidden shadow-soft-lg border border-border/30">
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{isLoaded ? (
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<DrawIoEmbed
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key={`${drawioUi}-${darkMode}`}
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ref={drawioRef}
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onExport={handleDiagramExport}
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onLoad={onDrawioLoad}
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onSave={handleDrawioSave}
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baseUrl={drawioBaseUrl}
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urlParameters={{
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ui: drawioUi,
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spin: true,
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libraries: false,
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saveAndExit: false,
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noExitBtn: true,
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dark: darkMode,
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}}
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/>
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) : (
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<div className="h-full w-full flex items-center justify-center bg-background">
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<div className="animate-spin h-8 w-8 border-4 border-primary border-t-transparent rounded-full" />
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</div>
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)}
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</div>
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</div>
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</ResizablePanel>
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<ResizableHandle withHandle />
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{/* Chat Panel */}
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<ResizablePanel
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key={isMobile ? "mobile" : "desktop"}
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id="chat-panel"
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ref={chatPanelRef}
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defaultSize={isMobile ? 50 : 33}
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minSize={isMobile ? 20 : 15}
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maxSize={isMobile ? 80 : 50}
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collapsible={!isMobile}
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collapsedSize={isMobile ? 0 : 3}
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onCollapse={() => setIsChatVisible(false)}
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onExpand={() => setIsChatVisible(true)}
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>
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<div className={`h-full ${isMobile ? "p-1" : "py-2 pr-2"}`}>
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<ChatPanel
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isVisible={isChatVisible}
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onToggleVisibility={toggleChatPanel}
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drawioUi={drawioUi}
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onToggleDrawioUi={handleDrawioUiChange}
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darkMode={darkMode}
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onToggleDarkMode={handleDarkModeChange}
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isMobile={isMobile}
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onCloseProtectionChange={setCloseProtection}
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/>
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</div>
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</ResizablePanel>
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</ResizablePanelGroup>
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</div>
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)
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}
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