feat: add WebSearchToolUI component and input UI, integrate Radix UI scroll area

app/page.tsx

@@ -1,43 +1,38 @@
 "use client";
-import { AssistantRuntimeProvider } from "@assistant-ui/react";
-import { useChatRuntime } from "@assistant-ui/react-ai-sdk";
 import { DrawIoEmbed, DrawIoEmbedRef } from "react-drawio";
 
-import { Thread } from "@/components/assistant-ui/thread";
 import { useRef, useState } from "react";
 import { Button } from "@/components/ui/button";
-import { extractDiagramXML } from "./extract_xml"
+import { extractDiagramXML } from "./extract_xml";
-export default function Home() {
+import ChatPanel from "@/components/chatPanel";
-    const runtime = useChatRuntime({
-        api: "/api/chat",
-    });
 
+export default function Home() {
     const drawioRef = useRef<DrawIoEmbedRef>(null);
-    const [imgData, setImgData] = useState<string | null>(null);
+    const [chartXML, setChartXML] = useState<string>("");
     const [diagram, setDiagram] = useState<string>("");
     // const handleExport = () => {};
     const handleExport = () => {
+        // use this function to export the diagramxml from the drawio editor
         if (drawioRef.current) {
             drawioRef.current.exportDiagram({
                 format: "xmlsvg",
             });
         }
     };
-    const handleSubmit = (e: React.FormEvent) => {
+    const loadDiagram = (chart: string) => {
-        e.preventDefault();
+        // use this function to display the diagramxml in the drawio editor
         if (drawioRef.current) {
             drawioRef.current.load({
-                xml: diagram,
+                xml: chart,
             });
         }
     };
-    console.log("imgData", imgData);
     return (
-        <AssistantRuntimeProvider runtime={runtime}>
+        <div className="flex h-screen bg-gray-100">
-            <div className="grid h-dvh grid-cols-[1fr_400px] gap-x-2 px-4 py-4">
+            <div className="w-2/3 p-1">
                 <DrawIoEmbed
                     ref={drawioRef}
-                    onExport={(data) => setImgData(data.data)}
+                    onExport={(data) => setChartXML(extractDiagramXML(data.data))}
                     urlParameters={{
                         // ui: "kennedy",
                         spin: true,
@@ -46,48 +41,10 @@ export default function Home() {
                         noExitBtn: true,
                     }}
                 />
-                {/* <Thread /> */}
-                <div className="flex flex-col gap-2">
-                    <form>
-                        <div className="mb-4">
-                            <label htmlFor="diagramXml" className="block text-sm font-medium mb-1">
-                                Diagram XML
-                            </label>
-                            <textarea
-                                id="diagramXml"
-                                className="w-full p-2 border border-gray-300 rounded-md min-h-[200px]"
-                                placeholder="Paste your diagram XML here..."
-                                value={diagram || ''}
-                                onChange={(e) => setDiagram(e.target.value)}
-                            />
-                        </div>
-                        <Button onClick={handleSubmit}>submit</Button>
-                    </form>
-                    <div>
-                        <div className="bg-amber-300 w-full h-[400px]">{imgData &&
-                            <>
-                                {/* <img src={imgData} /> */}
-                                <div className="bg-blue-100 h-[400px] p-4 overflow-auto">
-                                    <h1 className="font-semibold mb-2">Extracted XML</h1>
-                                    {(() => {
-                                        try {
-                                            const extractedXml = extractDiagramXML(imgData);
-                                            return <pre className="whitespace-pre-wrap text-sm">{extractedXml}</pre>;
-                                        } catch (error) {
-                                            return (
-                                                <div className="text-red-600">
-                                                    Error extracting XML: {error instanceof Error ? error.message : 'Unknown error'}
-                                                </div>
-                                            );
-                                        }
-                                    })()}
-                                </div>
-                            </>}
-                            <Button onClick={handleExport}>Export</Button>
-                        </div>
-                    </div>
-                </div>
             </div>
-        </AssistantRuntimeProvider>
+            <div className="w-1/3 p-1  border-gray-300 ">
+                <ChatPanel />
+            </div>
+        </div>
     );
 }

components/chatPanel.tsx

@@ -0,0 +1,87 @@
+"use client"
+
+import type React from "react"
+
+import { useRef, useEffect } from "react"
+import { useChat } from "@ai-sdk/react"
+import { Button } from "@/components/ui/button"
+import { Input } from "@/components/ui/input"
+import { Card, CardContent, CardFooter, CardHeader, CardTitle } from "@/components/ui/card"
+import { ScrollArea } from "@/components/ui/scroll-area"
+import { Loader2, Send } from "lucide-react"
+
+
+export default function ChatPanel() {
+    const { messages, input, handleInputChange, handleSubmit, isLoading } = useChat({
+        api: "/api/chat",
+        maxSteps: 5, // Allow multiple steps for complex diagram generation
+    })
+    const messagesEndRef = useRef<HTMLDivElement>(null)
+
+    // Scroll to bottom when messages change
+    useEffect(() => {
+        if (messagesEndRef.current) {
+            messagesEndRef.current.scrollIntoView({ behavior: "smooth" })
+        }
+    }, [messages])
+
+
+    const onFormSubmit = (e: React.FormEvent<HTMLFormElement>) => {
+        e.preventDefault()
+        if (input.trim()) {
+            handleSubmit(e)
+        }
+    }
+
+    return (
+        <Card className="h-full flex flex-col">
+            <CardHeader className="pb-2">
+                <CardTitle>Chat with Diagram Generator</CardTitle>
+            </CardHeader>
+            <CardContent className="flex-grow overflow-hidden p-4">
+                <ScrollArea className="h-full pr-4">
+                    {messages.length === 0 ? (
+                        <div className="text-center text-gray-500 mt-8">
+                            <p>Start a conversation to generate a diagram.</p>
+                            <p className="text-sm mt-2">Try: "Create a flowchart for user authentication"</p>
+                        </div>
+                    ) : (
+                        messages.map((message) => (
+                            <div key={message.id} className={`mb-4 ${message.role === "user" ? "text-right" : "text-left"}`}>
+                                <div
+                                    className={`inline-block px-4 py-2 rounded-lg max-w-[85%] break-words ${message.role === "user" ? "bg-primary text-primary-foreground" : "bg-muted text-muted-foreground"
+                                        }`}
+                                >
+                                    {message.content}
+                                </div>
+                                {message.toolInvocations?.map((tool, index) => (
+                                    <div key={index} className="mt-2 text-left">
+                                        <div className="text-xs text-gray-500">
+                                            {tool.state === "call" ? "Generating diagram..." : "Diagram generated"}
+                                        </div>
+                                    </div>
+                                ))}
+                            </div>
+                        ))
+                    )}
+                    <div ref={messagesEndRef} />
+                </ScrollArea>
+            </CardContent>
+            <CardFooter className="pt-2">
+                <form onSubmit={onFormSubmit} className="w-full flex space-x-2">
+                    <Input
+                        value={input}
+                        onChange={handleInputChange}
+                        placeholder="Describe the diagram you want to create..."
+                        disabled={isLoading}
+                        className="flex-grow"
+                    />
+                    <Button type="submit" disabled={isLoading || !input.trim()}>
+                        {isLoading ? <Loader2 className="h-4 w-4 animate-spin" /> : <Send className="h-4 w-4" />}
+                    </Button>
+                </form>
+            </CardFooter>
+        </Card>
+    )
+}
+

components/ui/card.tsx

@@ -0,0 +1,92 @@
+import * as React from "react"
+
+import { cn } from "@/lib/utils"
+
+function Card({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="card"
+      className={cn(
+        "bg-card text-card-foreground flex flex-col gap-6 rounded-xl border py-6 shadow-sm",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function CardHeader({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="card-header"
+      className={cn(
+        "@container/card-header grid auto-rows-min grid-rows-[auto_auto] items-start gap-1.5 px-6 has-[data-slot=card-action]:grid-cols-[1fr_auto] [.border-b]:pb-6",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function CardTitle({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="card-title"
+      className={cn("leading-none font-semibold", className)}
+      {...props}
+    />
+  )
+}
+
+function CardDescription({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="card-description"
+      className={cn("text-muted-foreground text-sm", className)}
+      {...props}
+    />
+  )
+}
+
+function CardAction({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="card-action"
+      className={cn(
+        "col-start-2 row-span-2 row-start-1 self-start justify-self-end",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function CardContent({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="card-content"
+      className={cn("px-6", className)}
+      {...props}
+    />
+  )
+}
+
+function CardFooter({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="card-footer"
+      className={cn("flex items-center px-6 [.border-t]:pt-6", className)}
+      {...props}
+    />
+  )
+}
+
+export {
+  Card,
+  CardHeader,
+  CardFooter,
+  CardTitle,
+  CardAction,
+  CardDescription,
+  CardContent,
+}

components/ui/input.tsx

@@ -0,0 +1,21 @@
+import * as React from "react"
+
+import { cn } from "@/lib/utils"
+
+function Input({ className, type, ...props }: React.ComponentProps<"input">) {
+  return (
+    <input
+      type={type}
+      data-slot="input"
+      className={cn(
+        "file:text-foreground placeholder:text-muted-foreground selection:bg-primary selection:text-primary-foreground dark:bg-input/30 border-input flex h-9 w-full min-w-0 rounded-md border bg-transparent px-3 py-1 text-base shadow-xs transition-[color,box-shadow] outline-none file:inline-flex file:h-7 file:border-0 file:bg-transparent file:text-sm file:font-medium disabled:pointer-events-none disabled:cursor-not-allowed disabled:opacity-50 md:text-sm",
+        "focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px]",
+        "aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+export { Input }

components/ui/scroll-area.tsx

@@ -0,0 +1,58 @@
+"use client"
+
+import * as React from "react"
+import * as ScrollAreaPrimitive from "@radix-ui/react-scroll-area"
+
+import { cn } from "@/lib/utils"
+
+function ScrollArea({
+  className,
+  children,
+  ...props
+}: React.ComponentProps<typeof ScrollAreaPrimitive.Root>) {
+  return (
+    <ScrollAreaPrimitive.Root
+      data-slot="scroll-area"
+      className={cn("relative", className)}
+      {...props}
+    >
+      <ScrollAreaPrimitive.Viewport
+        data-slot="scroll-area-viewport"
+        className="ring-ring/10 dark:ring-ring/20 dark:outline-ring/40 outline-ring/50 size-full rounded-[inherit] transition-[color,box-shadow] focus-visible:ring-4 focus-visible:outline-1"
+      >
+        {children}
+      </ScrollAreaPrimitive.Viewport>
+      <ScrollBar />
+      <ScrollAreaPrimitive.Corner />
+    </ScrollAreaPrimitive.Root>
+  )
+}
+
+function ScrollBar({
+  className,
+  orientation = "vertical",
+  ...props
+}: React.ComponentProps<typeof ScrollAreaPrimitive.ScrollAreaScrollbar>) {
+  return (
+    <ScrollAreaPrimitive.ScrollAreaScrollbar
+      data-slot="scroll-area-scrollbar"
+      orientation={orientation}
+      className={cn(
+        "flex touch-none p-px transition-colors select-none",
+        orientation === "vertical" &&
+          "h-full w-2.5 border-l border-l-transparent",
+        orientation === "horizontal" &&
+          "h-2.5 flex-col border-t border-t-transparent",
+        className
+      )}
+      {...props}
+    >
+      <ScrollAreaPrimitive.ScrollAreaThumb
+        data-slot="scroll-area-thumb"
+        className="bg-border relative flex-1 rounded-full"
+      />
+    </ScrollAreaPrimitive.ScrollAreaScrollbar>
+  )
+}
+
+export { ScrollArea, ScrollBar }

components/webSearchToolUI.tsx

@@ -0,0 +1,21 @@
+import { makeAssistantToolUI } from "@assistant-ui/react";
+
+type WebSearchArgs = {
+    query: string;
+};
+
+type WebSearchResult = {
+    title: string;
+    description: string;
+    url: string;
+};
+
+export const WebSearchToolUI = makeAssistantToolUI<
+    WebSearchArgs,
+    WebSearchResult
+>({
+    toolName: "web_search",
+    render: ({ args, status }) => {
+        return <p>web_search({args.query}) </p>;
+    },
+});

package-lock.json

@@ -13,6 +13,7 @@
         "@assistant-ui/react": "^0.8.6",
         "@assistant-ui/react-ai-sdk": "^0.8.0",
         "@assistant-ui/react-markdown": "^0.8.0",
+        "@radix-ui/react-scroll-area": "^1.2.3",
         "@radix-ui/react-slot": "^1.1.2",
         "@radix-ui/react-tooltip": "^1.1.8",
         "@xmldom/xmldom": "^0.9.8",
@@ -532,6 +533,12 @@
         "node": ">=8.0.0"
       }
     },
+    "node_modules/@radix-ui/number": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@radix-ui/number/-/number-1.1.0.tgz",
+      "integrity": "sha512-V3gRzhVNU1ldS5XhAPTom1fOIo4ccrjjJgmE+LI2h/WaFpHmx0MQApT+KZHnx8abG6Avtfcz4WoEciMnpFT3HQ==",
+      "license": "MIT"
+    },
     "node_modules/@radix-ui/primitive": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/@radix-ui/primitive/-/primitive-1.1.1.tgz",
@@ -591,6 +598,21 @@
         }
       }
     },
+    "node_modules/@radix-ui/react-direction": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-direction/-/react-direction-1.1.0.tgz",
+      "integrity": "sha512-BUuBvgThEiAXh2DWu93XsT+a3aWrGqolGlqqw5VU1kG7p/ZH2cuDlM1sRLNnY3QcBS69UIz2mcKhMxDsdewhjg==",
+      "license": "MIT",
+      "peerDependencies": {
+        "@types/react": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@radix-ui/react-dismissable-layer": {
       "version": "1.1.5",
       "resolved": "https://registry.npmjs.org/@radix-ui/react-dismissable-layer/-/react-dismissable-layer-1.1.5.tgz",
@@ -816,6 +838,37 @@
         }
       }
     },
+    "node_modules/@radix-ui/react-scroll-area": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-scroll-area/-/react-scroll-area-1.2.3.tgz",
+      "integrity": "sha512-l7+NNBfBYYJa9tNqVcP2AGvxdE3lmE6kFTBXdvHgUaZuy+4wGCL1Cl2AfaR7RKyimj7lZURGLwFO59k4eBnDJQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@radix-ui/number": "1.1.0",
+        "@radix-ui/primitive": "1.1.1",
+        "@radix-ui/react-compose-refs": "1.1.1",
+        "@radix-ui/react-context": "1.1.1",
+        "@radix-ui/react-direction": "1.1.0",
+        "@radix-ui/react-presence": "1.1.2",
+        "@radix-ui/react-primitive": "2.0.2",
+        "@radix-ui/react-use-callback-ref": "1.1.0",
+        "@radix-ui/react-use-layout-effect": "1.1.0"
+      },
+      "peerDependencies": {
+        "@types/react": "*",
+        "@types/react-dom": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc",
+        "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "@types/react-dom": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@radix-ui/react-slot": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/@radix-ui/react-slot/-/react-slot-1.1.2.tgz",

package.json

@@ -14,6 +14,7 @@
     "@assistant-ui/react": "^0.8.6",
     "@assistant-ui/react-ai-sdk": "^0.8.0",
     "@assistant-ui/react-markdown": "^0.8.0",
+    "@radix-ui/react-scroll-area": "^1.2.3",
     "@radix-ui/react-slot": "^1.1.2",
     "@radix-ui/react-tooltip": "^1.1.8",
     "@xmldom/xmldom": "^0.9.8",