waveterm/frontend/app/view/waveai/waveai.tsx
Sylvie Crowe 71961b373f
Extra Font Size Controls (#1537)
This adds:
- "editor:fontsize" to modify the code editor's font size
- "ai:fontsize" to modify the ai widget's font size (for general text)
- "ai:fixedfontsize" to modify the ai widget's fixed font size (for code
fragments)
2024-12-16 18:23:42 -08:00

855 lines
32 KiB
TypeScript

// Copyright 2024, Command Line Inc.
// SPDX-License-Identifier: Apache-2.0
import { Button } from "@/app/element/button";
import { Markdown } from "@/app/element/markdown";
import { TypingIndicator } from "@/app/element/typingindicator";
import { RpcResponseHelper, WshClient } from "@/app/store/wshclient";
import { RpcApi } from "@/app/store/wshclientapi";
import { makeFeBlockRouteId } from "@/app/store/wshrouter";
import { DefaultRouter, TabRpcClient } from "@/app/store/wshrpcutil";
import { atoms, createBlock, fetchWaveFile, getApi, globalStore, useOverrideConfigAtom, WOS } from "@/store/global";
import { BlockService, ObjectService } from "@/store/services";
import { adaptFromReactOrNativeKeyEvent, checkKeyPressed } from "@/util/keyutil";
import { fireAndForget, isBlank, makeIconClass } from "@/util/util";
import { atom, Atom, PrimitiveAtom, useAtomValue, WritableAtom } from "jotai";
import type { OverlayScrollbars } from "overlayscrollbars";
import { OverlayScrollbarsComponent, OverlayScrollbarsComponentRef } from "overlayscrollbars-react";
import { forwardRef, memo, useCallback, useEffect, useImperativeHandle, useMemo, useRef, useState } from "react";
import "./waveai.scss";
interface ChatMessageType {
id: string;
user: string;
text: string;
isUpdating?: boolean;
}
const outline = "2px solid var(--accent-color)";
const slidingWindowSize = 30;
interface ChatItemProps {
chatItem: ChatMessageType;
model: WaveAiModel;
}
function promptToMsg(prompt: OpenAIPromptMessageType): ChatMessageType {
return {
id: crypto.randomUUID(),
user: prompt.role,
text: prompt.content,
};
}
class AiWshClient extends WshClient {
blockId: string;
model: WaveAiModel;
constructor(blockId: string, model: WaveAiModel) {
super(makeFeBlockRouteId(blockId));
this.blockId = blockId;
this.model = model;
}
handle_aisendmessage(rh: RpcResponseHelper, data: AiMessageData) {
if (isBlank(data.message)) {
return;
}
this.model.sendMessage(data.message);
}
}
export class WaveAiModel implements ViewModel {
viewType: string;
blockId: string;
blockAtom: Atom<Block>;
presetKey: Atom<string>;
presetMap: Atom<{ [k: string]: MetaType }>;
aiOpts: Atom<OpenAIOptsType>;
viewIcon?: Atom<string | IconButtonDecl>;
viewName?: Atom<string>;
viewText?: Atom<string | HeaderElem[]>;
preIconButton?: Atom<IconButtonDecl>;
endIconButtons?: Atom<IconButtonDecl[]>;
messagesAtom: PrimitiveAtom<Array<ChatMessageType>>;
addMessageAtom: WritableAtom<unknown, [message: ChatMessageType], void>;
updateLastMessageAtom: WritableAtom<unknown, [text: string, isUpdating: boolean], void>;
removeLastMessageAtom: WritableAtom<unknown, [], void>;
simulateAssistantResponseAtom: WritableAtom<unknown, [userMessage: ChatMessageType], Promise<void>>;
textAreaRef: React.RefObject<HTMLTextAreaElement>;
locked: PrimitiveAtom<boolean>;
cancel: boolean;
aiWshClient: AiWshClient;
constructor(blockId: string) {
this.aiWshClient = new AiWshClient(blockId, this);
DefaultRouter.registerRoute(makeFeBlockRouteId(blockId), this.aiWshClient);
this.locked = atom(false);
this.cancel = false;
this.viewType = "waveai";
this.blockId = blockId;
this.blockAtom = WOS.getWaveObjectAtom<Block>(`block:${blockId}`);
this.viewIcon = atom("sparkles");
this.viewName = atom("Wave AI");
this.messagesAtom = atom([]);
this.presetKey = atom((get) => {
const metaPresetKey = get(this.blockAtom).meta["ai:preset"];
const globalPresetKey = get(atoms.settingsAtom)["ai:preset"];
return metaPresetKey ?? globalPresetKey;
});
this.presetMap = atom((get) => {
const fullConfig = get(atoms.fullConfigAtom);
const presets = fullConfig.presets;
const settings = fullConfig.settings;
return Object.fromEntries(
Object.entries(presets)
.filter(([k]) => k.startsWith("ai@"))
.map(([k, v]) => {
const aiPresetKeys = Object.keys(v).filter((k) => k.startsWith("ai:"));
const newV = { ...v };
newV["display:name"] =
aiPresetKeys.length == 1 && aiPresetKeys.includes("ai:*")
? `${newV["display:name"] ?? "Default"} (${settings["ai:model"]})`
: newV["display:name"];
return [k, newV];
})
);
});
this.addMessageAtom = atom(null, (get, set, message: ChatMessageType) => {
const messages = get(this.messagesAtom);
set(this.messagesAtom, [...messages, message]);
});
this.updateLastMessageAtom = atom(null, (get, set, text: string, isUpdating: boolean) => {
const messages = get(this.messagesAtom);
const lastMessage = messages[messages.length - 1];
if (lastMessage.user == "assistant") {
const updatedMessage = { ...lastMessage, text: lastMessage.text + text, isUpdating };
set(this.messagesAtom, [...messages.slice(0, -1), updatedMessage]);
}
});
this.removeLastMessageAtom = atom(null, (get, set) => {
const messages = get(this.messagesAtom);
messages.pop();
set(this.messagesAtom, [...messages]);
});
this.simulateAssistantResponseAtom = atom(null, async (_, set, userMessage: ChatMessageType) => {
// unused at the moment. can replace the temp() function in the future
const typingMessage: ChatMessageType = {
id: crypto.randomUUID(),
user: "assistant",
text: "",
};
// Add a typing indicator
set(this.addMessageAtom, typingMessage);
const parts = userMessage.text.split(" ");
let currentPart = 0;
while (currentPart < parts.length) {
const part = parts[currentPart] + " ";
set(this.updateLastMessageAtom, part, true);
currentPart++;
}
set(this.updateLastMessageAtom, "", false);
});
this.aiOpts = atom((get) => {
const meta = get(this.blockAtom).meta;
let settings = get(atoms.settingsAtom);
settings = {
...settings,
...meta,
};
const opts: OpenAIOptsType = {
model: settings["ai:model"] ?? null,
apitype: settings["ai:apitype"] ?? null,
orgid: settings["ai:orgid"] ?? null,
apitoken: settings["ai:apitoken"] ?? null,
apiversion: settings["ai:apiversion"] ?? null,
maxtokens: settings["ai:maxtokens"] ?? null,
timeoutms: settings["ai:timeoutms"] ?? 60000,
baseurl: settings["ai:baseurl"] ?? null,
};
return opts;
});
this.viewText = atom((get) => {
const viewTextChildren: HeaderElem[] = [];
const aiOpts = get(this.aiOpts);
const presets = get(this.presetMap);
const presetKey = get(this.presetKey);
const presetName = presets[presetKey]?.["display:name"] ?? "";
const isCloud = isBlank(aiOpts.apitoken) && isBlank(aiOpts.baseurl);
// Handle known API providers
switch (aiOpts?.apitype) {
case "anthropic":
viewTextChildren.push({
elemtype: "iconbutton",
icon: "globe",
title: `Using Remote Anthropic API (${aiOpts.model})`,
noAction: true,
});
break;
case "perplexity":
viewTextChildren.push({
elemtype: "iconbutton",
icon: "globe",
title: `Using Remote Perplexity API (${aiOpts.model})`,
noAction: true,
});
break;
default:
if (isCloud) {
viewTextChildren.push({
elemtype: "iconbutton",
icon: "cloud",
title: "Using Wave's AI Proxy (gpt-4o-mini)",
noAction: true,
});
} else {
const baseUrl = aiOpts.baseurl ?? "OpenAI Default Endpoint";
const modelName = aiOpts.model;
if (baseUrl.startsWith("http://localhost") || baseUrl.startsWith("http://127.0.0.1")) {
viewTextChildren.push({
elemtype: "iconbutton",
icon: "location-dot",
title: `Using Local Model @ ${baseUrl} (${modelName})`,
noAction: true,
});
} else {
viewTextChildren.push({
elemtype: "iconbutton",
icon: "globe",
title: `Using Remote Model @ ${baseUrl} (${modelName})`,
noAction: true,
});
}
}
}
const dropdownItems = Object.entries(presets)
.sort((a, b) => ((a[1]["display:order"] ?? 0) > (b[1]["display:order"] ?? 0) ? 1 : -1))
.map(
(preset) =>
({
label: preset[1]["display:name"],
onClick: () =>
fireAndForget(() =>
ObjectService.UpdateObjectMeta(WOS.makeORef("block", this.blockId), {
...preset[1],
"ai:preset": preset[0],
})
),
}) as MenuItem
);
dropdownItems.push({
label: "Add AI preset...",
onClick: () => {
fireAndForget(async () => {
const path = `${getApi().getConfigDir()}/presets/ai.json`;
const blockDef: BlockDef = {
meta: {
view: "preview",
file: path,
},
};
await createBlock(blockDef, false, true);
});
},
});
viewTextChildren.push({
elemtype: "menubutton",
text: presetName,
title: "Select AI Configuration",
items: dropdownItems,
});
return viewTextChildren;
});
this.endIconButtons = atom((_) => {
let clearButton: IconButtonDecl = {
elemtype: "iconbutton",
icon: "delete-left",
title: "Clear Chat History",
click: this.clearMessages.bind(this),
};
return [clearButton];
});
}
dispose() {
DefaultRouter.unregisterRoute(makeFeBlockRouteId(this.blockId));
}
async populateMessages(): Promise<void> {
const history = await this.fetchAiData();
globalStore.set(this.messagesAtom, history.map(promptToMsg));
}
async fetchAiData(): Promise<Array<OpenAIPromptMessageType>> {
const { data } = await fetchWaveFile(this.blockId, "aidata");
if (!data) {
return [];
}
const history: Array<OpenAIPromptMessageType> = JSON.parse(new TextDecoder().decode(data));
return history.slice(Math.max(history.length - slidingWindowSize, 0));
}
giveFocus(): boolean {
if (this?.textAreaRef?.current) {
this.textAreaRef.current?.focus();
return true;
}
return false;
}
getAiName(): string {
const blockMeta = globalStore.get(this.blockAtom)?.meta ?? {};
const settings = globalStore.get(atoms.settingsAtom) ?? {};
const name = blockMeta["ai:name"] ?? settings["ai:name"] ?? null;
return name;
}
setLocked(locked: boolean) {
globalStore.set(this.locked, locked);
}
sendMessage(text: string, user: string = "user") {
const clientId = globalStore.get(atoms.clientId);
this.setLocked(true);
const newMessage: ChatMessageType = {
id: crypto.randomUUID(),
user,
text,
};
globalStore.set(this.addMessageAtom, newMessage);
// send message to backend and get response
const opts = globalStore.get(this.aiOpts);
const newPrompt: OpenAIPromptMessageType = {
role: "user",
content: text,
};
const handleAiStreamingResponse = async () => {
const typingMessage: ChatMessageType = {
id: crypto.randomUUID(),
user: "assistant",
text: "",
};
// Add a typing indicator
globalStore.set(this.addMessageAtom, typingMessage);
const history = await this.fetchAiData();
const beMsg: OpenAiStreamRequest = {
clientid: clientId,
opts: opts,
prompt: [...history, newPrompt],
};
let fullMsg = "";
try {
const aiGen = RpcApi.StreamWaveAiCommand(TabRpcClient, beMsg, { timeout: opts.timeoutms });
for await (const msg of aiGen) {
fullMsg += msg.text ?? "";
globalStore.set(this.updateLastMessageAtom, msg.text ?? "", true);
if (this.cancel) {
break;
}
}
if (fullMsg == "") {
// remove a message if empty
globalStore.set(this.removeLastMessageAtom);
// only save the author's prompt
await BlockService.SaveWaveAiData(this.blockId, [...history, newPrompt]);
} else {
const responsePrompt: OpenAIPromptMessageType = {
role: "assistant",
content: fullMsg,
};
//mark message as complete
globalStore.set(this.updateLastMessageAtom, "", false);
// save a complete message prompt and response
await BlockService.SaveWaveAiData(this.blockId, [...history, newPrompt, responsePrompt]);
}
} catch (error) {
const updatedHist = [...history, newPrompt];
if (fullMsg == "") {
globalStore.set(this.removeLastMessageAtom);
} else {
globalStore.set(this.updateLastMessageAtom, "", false);
const responsePrompt: OpenAIPromptMessageType = {
role: "assistant",
content: fullMsg,
};
updatedHist.push(responsePrompt);
}
const errMsg: string = (error as Error).message;
const errorMessage: ChatMessageType = {
id: crypto.randomUUID(),
user: "error",
text: errMsg,
};
globalStore.set(this.addMessageAtom, errorMessage);
globalStore.set(this.updateLastMessageAtom, "", false);
const errorPrompt: OpenAIPromptMessageType = {
role: "error",
content: errMsg,
};
updatedHist.push(errorPrompt);
await BlockService.SaveWaveAiData(this.blockId, updatedHist);
}
this.setLocked(false);
this.cancel = false;
};
fireAndForget(handleAiStreamingResponse);
}
useWaveAi() {
const messages = useAtomValue(this.messagesAtom);
return {
messages,
sendMessage: this.sendMessage.bind(this),
};
}
async clearMessages() {
await BlockService.SaveWaveAiData(this.blockId, []);
globalStore.set(this.messagesAtom, []);
}
keyDownHandler(waveEvent: WaveKeyboardEvent): boolean {
if (checkKeyPressed(waveEvent, "Cmd:l")) {
fireAndForget(this.clearMessages.bind(this));
return true;
}
return false;
}
}
function makeWaveAiViewModel(blockId: string): WaveAiModel {
const waveAiModel = new WaveAiModel(blockId);
return waveAiModel;
}
const ChatItem = ({ chatItem, model }: ChatItemProps) => {
const { user, text } = chatItem;
const cssVar = "--panel-bg-color";
const panelBgColor = getComputedStyle(document.documentElement).getPropertyValue(cssVar).trim();
const fontSize = useOverrideConfigAtom(model.blockId, "ai:fontsize");
const fixedFontSize = useOverrideConfigAtom(model.blockId, "ai:fixedfontsize");
const renderContent = useMemo(() => {
if (user == "error") {
return (
<>
<div className="chat-msg chat-msg-header">
<div className="icon-box">
<i className="fa-sharp fa-solid fa-circle-exclamation"></i>
</div>
</div>
<div className="chat-msg chat-msg-error">
<Markdown
text={text}
scrollable={false}
fontSizeOverride={fontSize}
fixedFontSizeOverride={fixedFontSize}
/>
</div>
</>
);
}
if (user == "assistant") {
return text ? (
<>
<div className="chat-msg chat-msg-header">
<div className="icon-box">
<i className="fa-sharp fa-solid fa-sparkles"></i>
</div>
</div>
<div className="chat-msg chat-msg-assistant">
<Markdown
text={text}
scrollable={false}
fontSizeOverride={fontSize}
fixedFontSizeOverride={fixedFontSize}
/>
</div>
</>
) : (
<>
<div className="chat-msg-header">
<i className="fa-sharp fa-solid fa-sparkles"></i>
</div>
<TypingIndicator className="chat-msg typing-indicator" />
</>
);
}
return (
<>
<div className="chat-msg chat-msg-user">
<Markdown
className="msg-text"
text={text}
scrollable={false}
fontSizeOverride={fontSize}
fixedFontSizeOverride={fixedFontSize}
/>
</div>
</>
);
}, [text, user, fontSize, fixedFontSize]);
return <div className={"chat-msg-container"}>{renderContent}</div>;
};
interface ChatWindowProps {
chatWindowRef: React.RefObject<HTMLDivElement>;
messages: ChatMessageType[];
msgWidths: Object;
model: WaveAiModel;
}
const ChatWindow = memo(
forwardRef<OverlayScrollbarsComponentRef, ChatWindowProps>(({ chatWindowRef, messages, msgWidths, model }, ref) => {
const [isUserScrolling, setIsUserScrolling] = useState(false);
const osRef = useRef<OverlayScrollbarsComponentRef>(null);
const prevMessagesLenRef = useRef(messages.length);
useImperativeHandle(ref, () => osRef.current as OverlayScrollbarsComponentRef);
useEffect(() => {
if (osRef.current && osRef.current.osInstance()) {
const { viewport } = osRef.current.osInstance().elements();
const curMessagesLen = messages.length;
if (prevMessagesLenRef.current !== curMessagesLen || !isUserScrolling) {
setIsUserScrolling(false);
viewport.scrollTo({
behavior: "auto",
top: chatWindowRef.current?.scrollHeight || 0,
});
}
prevMessagesLenRef.current = curMessagesLen;
}
}, [messages, isUserScrolling]);
useEffect(() => {
if (osRef.current && osRef.current.osInstance()) {
const { viewport } = osRef.current.osInstance().elements();
const handleUserScroll = () => {
setIsUserScrolling(true);
};
viewport.addEventListener("wheel", handleUserScroll, { passive: true });
viewport.addEventListener("touchmove", handleUserScroll, { passive: true });
return () => {
viewport.removeEventListener("wheel", handleUserScroll);
viewport.removeEventListener("touchmove", handleUserScroll);
if (osRef.current && osRef.current.osInstance()) {
osRef.current.osInstance().destroy();
}
};
}
}, []);
const handleScrollbarInitialized = (instance: OverlayScrollbars) => {
const { viewport } = instance.elements();
viewport.removeAttribute("tabindex");
viewport.scrollTo({
behavior: "auto",
top: chatWindowRef.current?.scrollHeight || 0,
});
};
const handleScrollbarUpdated = (instance: OverlayScrollbars) => {
const { viewport } = instance.elements();
viewport.removeAttribute("tabindex");
};
return (
<OverlayScrollbarsComponent
ref={osRef}
className="scrollable"
options={{ scrollbars: { autoHide: "leave" } }}
events={{ initialized: handleScrollbarInitialized, updated: handleScrollbarUpdated }}
>
<div ref={chatWindowRef} className="chat-window" style={msgWidths}>
<div className="filler"></div>
{messages.map((chitem, idx) => (
<ChatItem key={idx} chatItem={chitem} model={model} />
))}
</div>
</OverlayScrollbarsComponent>
);
})
);
interface ChatInputProps {
value: string;
baseFontSize: number;
onChange: (e: React.ChangeEvent<HTMLTextAreaElement>) => void;
onKeyDown: (e: React.KeyboardEvent<HTMLTextAreaElement>) => void;
onMouseDown: (e: React.MouseEvent<HTMLTextAreaElement>) => void;
model: WaveAiModel;
}
const ChatInput = forwardRef<HTMLTextAreaElement, ChatInputProps>(
({ value, onChange, onKeyDown, onMouseDown, baseFontSize, model }, ref) => {
const textAreaRef = useRef<HTMLTextAreaElement>(null);
useImperativeHandle(ref, () => textAreaRef.current as HTMLTextAreaElement);
useEffect(() => {
model.textAreaRef = textAreaRef;
}, []);
const adjustTextAreaHeight = useCallback(
(value: string) => {
if (textAreaRef.current == null) {
return;
}
// Adjust the height of the textarea to fit the text
const textAreaMaxLines = 5;
const textAreaLineHeight = baseFontSize * 1.5;
const textAreaMinHeight = textAreaLineHeight;
const textAreaMaxHeight = textAreaLineHeight * textAreaMaxLines;
if (value === "") {
textAreaRef.current.style.height = `${textAreaLineHeight}px`;
return;
}
textAreaRef.current.style.height = `${textAreaLineHeight}px`;
const scrollHeight = textAreaRef.current.scrollHeight;
const newHeight = Math.min(Math.max(scrollHeight, textAreaMinHeight), textAreaMaxHeight);
textAreaRef.current.style.height = newHeight + "px";
},
[baseFontSize]
);
useEffect(() => {
adjustTextAreaHeight(value);
}, [value]);
return (
<textarea
ref={textAreaRef}
autoComplete="off"
autoCorrect="off"
className="waveai-input"
onMouseDown={onMouseDown} // When the user clicks on the textarea
onChange={onChange}
onKeyDown={onKeyDown}
style={{ fontSize: baseFontSize }}
placeholder="Ask anything..."
value={value}
></textarea>
);
}
);
const WaveAi = ({ model }: { model: WaveAiModel; blockId: string }) => {
const { messages, sendMessage } = model.useWaveAi();
const waveaiRef = useRef<HTMLDivElement>(null);
const chatWindowRef = useRef<HTMLDivElement>(null);
const osRef = useRef<OverlayScrollbarsComponentRef>(null);
const inputRef = useRef<HTMLTextAreaElement>(null);
const [value, setValue] = useState("");
const [selectedBlockIdx, setSelectedBlockIdx] = useState<number | null>(null);
const baseFontSize: number = 14;
const msgWidths = {};
const locked = useAtomValue(model.locked);
// a weird workaround to initialize ansynchronously
useEffect(() => {
fireAndForget(model.populateMessages.bind(model));
}, []);
const handleTextAreaChange = (e: React.ChangeEvent<HTMLTextAreaElement>) => {
setValue(e.target.value);
};
const updatePreTagOutline = (clickedPre?: HTMLElement | null) => {
const pres = chatWindowRef.current?.querySelectorAll("pre");
if (!pres) return;
pres.forEach((preElement, idx) => {
if (preElement === clickedPre) {
setSelectedBlockIdx(idx);
} else {
preElement.style.outline = "none";
}
});
if (clickedPre) {
clickedPre.style.outline = outline;
}
};
useEffect(() => {
if (selectedBlockIdx !== null) {
const pres = chatWindowRef.current?.querySelectorAll("pre");
if (pres && pres[selectedBlockIdx]) {
pres[selectedBlockIdx].style.outline = outline;
}
}
}, [selectedBlockIdx]);
const handleTextAreaMouseDown = () => {
updatePreTagOutline();
setSelectedBlockIdx(null);
};
const handleEnterKeyPressed = useCallback(() => {
// using globalStore to avoid potential timing problems
// useAtom means the component must rerender once before
// the unlock is detected. this automatically checks on the
// callback firing instead
const locked = globalStore.get(model.locked);
if (locked || value === "") return;
sendMessage(value);
setValue("");
setSelectedBlockIdx(null);
}, [messages, value]);
const updateScrollTop = () => {
const pres = chatWindowRef.current?.querySelectorAll("pre");
if (!pres || selectedBlockIdx === null) return;
const block = pres[selectedBlockIdx];
if (!block || !osRef.current?.osInstance()) return;
const { viewport, scrollOffsetElement } = osRef.current?.osInstance().elements();
const chatWindowTop = scrollOffsetElement.scrollTop;
const chatWindowHeight = chatWindowRef.current.clientHeight;
const chatWindowBottom = chatWindowTop + chatWindowHeight;
const elemTop = block.offsetTop;
const elemBottom = elemTop + block.offsetHeight;
const elementIsInView = elemBottom <= chatWindowBottom && elemTop >= chatWindowTop;
if (!elementIsInView) {
let scrollPosition;
if (elemBottom > chatWindowBottom) {
scrollPosition = elemTop - chatWindowHeight + block.offsetHeight + 15;
} else if (elemTop < chatWindowTop) {
scrollPosition = elemTop - 15;
}
viewport.scrollTo({
behavior: "auto",
top: scrollPosition,
});
}
};
const shouldSelectCodeBlock = (key: "ArrowUp" | "ArrowDown") => {
const textarea = inputRef.current;
const cursorPosition = textarea?.selectionStart || 0;
const textBeforeCursor = textarea?.value.slice(0, cursorPosition) || "";
return (
(textBeforeCursor.indexOf("\n") === -1 && cursorPosition === 0 && key === "ArrowUp") ||
selectedBlockIdx !== null
);
};
const handleArrowUpPressed = (e: React.KeyboardEvent<HTMLTextAreaElement>) => {
if (shouldSelectCodeBlock("ArrowUp")) {
e.preventDefault();
const pres = chatWindowRef.current?.querySelectorAll("pre");
let blockIndex = selectedBlockIdx;
if (!pres) return;
if (blockIndex === null) {
setSelectedBlockIdx(pres.length - 1);
} else if (blockIndex > 0) {
blockIndex--;
setSelectedBlockIdx(blockIndex);
}
updateScrollTop();
}
};
const handleArrowDownPressed = (e: React.KeyboardEvent<HTMLTextAreaElement>) => {
if (shouldSelectCodeBlock("ArrowDown")) {
e.preventDefault();
const pres = chatWindowRef.current?.querySelectorAll("pre");
let blockIndex = selectedBlockIdx;
if (!pres) return;
if (blockIndex === null) return;
if (blockIndex < pres.length - 1 && blockIndex >= 0) {
setSelectedBlockIdx(++blockIndex);
updateScrollTop();
} else {
inputRef.current.focus();
setSelectedBlockIdx(null);
}
updateScrollTop();
}
};
const handleTextAreaKeyDown = (e: React.KeyboardEvent<HTMLTextAreaElement>) => {
const waveEvent = adaptFromReactOrNativeKeyEvent(e);
if (checkKeyPressed(waveEvent, "Enter")) {
e.preventDefault();
handleEnterKeyPressed();
} else if (checkKeyPressed(waveEvent, "ArrowUp")) {
handleArrowUpPressed(e);
} else if (checkKeyPressed(waveEvent, "ArrowDown")) {
handleArrowDownPressed(e);
}
};
let buttonClass = "waveai-submit-button";
let buttonIcon = makeIconClass("arrow-up", false);
let buttonTitle = "run";
if (locked) {
buttonClass = "waveai-submit-button stop";
buttonIcon = makeIconClass("stop", false);
buttonTitle = "stop";
}
const handleButtonPress = useCallback(() => {
if (locked) {
model.cancel = true;
} else {
handleEnterKeyPressed();
}
}, [locked, handleEnterKeyPressed]);
return (
<div ref={waveaiRef} className="waveai">
<div className="waveai-chat">
<ChatWindow
ref={osRef}
chatWindowRef={chatWindowRef}
messages={messages}
msgWidths={msgWidths}
model={model}
/>
</div>
<div className="waveai-controls">
<div className="waveai-input-wrapper">
<ChatInput
ref={inputRef}
value={value}
model={model}
onChange={handleTextAreaChange}
onKeyDown={handleTextAreaKeyDown}
onMouseDown={handleTextAreaMouseDown}
baseFontSize={baseFontSize}
/>
</div>
<Button className={buttonClass} onClick={handleButtonPress}>
<i className={buttonIcon} title={buttonTitle} />
</Button>
</div>
</div>
);
};
export { makeWaveAiViewModel, WaveAi };