Files
Roo-Code/webview-ui/src/components/ChatTextArea.tsx
2024-09-17 17:42:24 -04:00

544 lines
17 KiB
TypeScript

import React, { forwardRef, useCallback, useEffect, useLayoutEffect, useRef, useState } from "react"
import DynamicTextArea from "react-textarea-autosize"
import { useExtensionState } from "../context/ExtensionStateContext"
import { getContextMenuOptions, insertMention, removeMention, shouldShowContextMenu } from "../utils/mention-context"
import { MAX_IMAGES_PER_MESSAGE } from "./ChatView"
import ContextMenu from "./ContextMenu"
import Thumbnails from "./Thumbnails"
interface ChatTextAreaProps {
inputValue: string
setInputValue: (value: string) => void
textAreaDisabled: boolean
placeholderText: string
selectedImages: string[]
setSelectedImages: React.Dispatch<React.SetStateAction<string[]>>
onSend: () => void
onSelectImages: () => void
shouldDisableImages: boolean
onHeightChange?: (height: number) => void
}
const ChatTextArea = forwardRef<HTMLTextAreaElement, ChatTextAreaProps>(
(
{
inputValue,
setInputValue,
textAreaDisabled,
placeholderText,
selectedImages,
setSelectedImages,
onSend,
onSelectImages,
shouldDisableImages,
onHeightChange,
},
ref
) => {
const [isTextAreaFocused, setIsTextAreaFocused] = useState(false)
const [thumbnailsHeight, setThumbnailsHeight] = useState(0)
const [textAreaBaseHeight, setTextAreaBaseHeight] = useState<number | undefined>(undefined)
const [showContextMenu, setShowContextMenu] = useState(false)
const [cursorPosition, setCursorPosition] = useState(0)
const [searchQuery, setSearchQuery] = useState("")
const textAreaRef = useRef<HTMLTextAreaElement | null>(null)
const [isMouseDownOnMenu, setIsMouseDownOnMenu] = useState(false)
const highlightLayerRef = useRef<HTMLDivElement>(null)
const [selectedMenuIndex, setSelectedMenuIndex] = useState(-1)
const [selectedType, setSelectedType] = useState<string | null>(null)
const [justDeletedSpaceAfterMention, setJustDeletedSpaceAfterMention] = useState(false)
const [intendedCursorPosition, setIntendedCursorPosition] = useState<number | null>(null)
const contextMenuContainerRef = useRef<HTMLDivElement>(null)
const { filePaths } = useExtensionState()
const searchPaths = React.useMemo(() => {
return [
{ type: "problems", path: "problems" },
...filePaths
.map((file) => "/" + file)
.map((path) => ({
type: path.endsWith("/") ? "folder" : "file",
path: path,
})),
]
}, [filePaths])
useEffect(() => {
const handleClickOutside = (event: MouseEvent) => {
if (
contextMenuContainerRef.current &&
!contextMenuContainerRef.current.contains(event.target as Node)
) {
setShowContextMenu(false)
}
}
if (showContextMenu) {
document.addEventListener("mousedown", handleClickOutside)
}
return () => {
document.removeEventListener("mousedown", handleClickOutside)
}
}, [showContextMenu, setShowContextMenu])
const handleMentionSelect = useCallback(
(type: string, value: string) => {
if (value === "file" || value === "folder") {
setSelectedType(type.toLowerCase())
setSearchQuery("")
setSelectedMenuIndex(0)
return
}
setShowContextMenu(false)
setSelectedType(null)
if (textAreaRef.current) {
let insertValue = value
if (type === "url") {
// For URLs, we insert the value as is
insertValue = value
} else if (type === "file" || type === "folder") {
// For files and folders, we insert the path
insertValue = value
} else if (type === "problems") {
// For workspace problems, we insert @problems
insertValue = "problems"
}
const newValue = insertMention(textAreaRef.current.value, cursorPosition, insertValue)
setInputValue(newValue)
const newCursorPosition = newValue.indexOf(" ", newValue.lastIndexOf("@")) + 1
setCursorPosition(newCursorPosition)
setIntendedCursorPosition(newCursorPosition) // Update intended cursor position
textAreaRef.current.focus()
// Remove the direct setSelectionRange call
// textAreaRef.current.setSelectionRange(newCursorPosition, newCursorPosition)
}
},
[setInputValue, cursorPosition]
)
const handleKeyDown = useCallback(
(event: React.KeyboardEvent<HTMLTextAreaElement>) => {
if (showContextMenu) {
if (event.key === "Escape") {
// event.preventDefault()
setSelectedType(null)
setSelectedMenuIndex(3) // File by default
return
}
if (event.key === "ArrowUp" || event.key === "ArrowDown") {
event.preventDefault()
setSelectedMenuIndex((prevIndex) => {
const direction = event.key === "ArrowUp" ? -1 : 1
const options = getContextMenuOptions(searchQuery, selectedType, searchPaths)
const optionsLength = options.length
if (optionsLength === 0) return prevIndex
// Find selectable options (non-URL types)
const selectableOptions = options.filter((option) => option.type !== "url")
if (selectableOptions.length === 0) return -1 // No selectable options
// Find the index of the next selectable option
const currentSelectableIndex = selectableOptions.findIndex(
(option) => option === options[prevIndex]
)
const newSelectableIndex =
(currentSelectableIndex + direction + selectableOptions.length) %
selectableOptions.length
// Find the index of the selected option in the original options array
return options.findIndex((option) => option === selectableOptions[newSelectableIndex])
})
return
}
if (event.key === "Enter" && selectedMenuIndex !== -1) {
event.preventDefault()
const selectedOption = getContextMenuOptions(searchQuery, selectedType, searchPaths)[
selectedMenuIndex
]
if (selectedOption && selectedOption.type !== "url") {
handleMentionSelect(selectedOption.type, selectedOption.value)
}
return
}
}
const isComposing = event.nativeEvent?.isComposing ?? false
if (event.key === "Enter" && !event.shiftKey && !isComposing) {
event.preventDefault()
onSend()
}
if (event.key === "Backspace" && !isComposing) {
const charBeforeCursor = inputValue[cursorPosition - 1]
const charAfterCursor = inputValue[cursorPosition + 1]
const charBeforeIsWhitespace =
charBeforeCursor === " " || charBeforeCursor === "\n" || charBeforeCursor === "\r\n"
const charAfterIsWhitespace =
charAfterCursor === " " || charAfterCursor === "\n" || charAfterCursor === "\r\n"
if (
charBeforeIsWhitespace &&
inputValue.slice(0, cursorPosition - 1).match(/@((?:\/|\w+:\/\/)[^\s]+|problems)$/)
) {
const newCursorPosition = cursorPosition - 1
if (!charAfterIsWhitespace) {
event.preventDefault()
textAreaRef.current?.setSelectionRange(newCursorPosition, newCursorPosition)
setCursorPosition(newCursorPosition)
}
setCursorPosition(newCursorPosition)
setJustDeletedSpaceAfterMention(true)
} else if (justDeletedSpaceAfterMention) {
const { newText, newPosition } = removeMention(inputValue, cursorPosition)
if (newText !== inputValue) {
event.preventDefault()
setInputValue(newText)
setIntendedCursorPosition(newPosition) // Store the new cursor position in state
}
setJustDeletedSpaceAfterMention(false)
setShowContextMenu(false)
} else {
setJustDeletedSpaceAfterMention(false)
}
}
},
[
onSend,
showContextMenu,
searchQuery,
selectedMenuIndex,
handleMentionSelect,
selectedType,
inputValue,
cursorPosition,
setInputValue,
justDeletedSpaceAfterMention,
searchPaths,
]
)
useLayoutEffect(() => {
if (intendedCursorPosition !== null && textAreaRef.current) {
textAreaRef.current.setSelectionRange(intendedCursorPosition, intendedCursorPosition)
setIntendedCursorPosition(null) // Reset the state
}
}, [inputValue, intendedCursorPosition])
const handleInputChange = useCallback(
(e: React.ChangeEvent<HTMLTextAreaElement>) => {
const newValue = e.target.value
const newCursorPosition = e.target.selectionStart
setInputValue(newValue)
setCursorPosition(newCursorPosition)
const showMenu = shouldShowContextMenu(newValue, newCursorPosition)
setShowContextMenu(showMenu)
if (showMenu) {
const lastAtIndex = newValue.lastIndexOf("@", newCursorPosition - 1)
const query = newValue.slice(lastAtIndex + 1, newCursorPosition)
setSearchQuery(query)
if (query.length > 0) {
setSelectedMenuIndex(0)
} else {
setSelectedMenuIndex(3) // Set to "File" option by default
}
} else {
setSearchQuery("")
setSelectedMenuIndex(-1)
}
},
[setInputValue]
)
useEffect(() => {
if (!showContextMenu) {
setSelectedType(null)
}
}, [showContextMenu])
const handleBlur = useCallback(() => {
// Only hide the context menu if the user didn't click on it
if (!isMouseDownOnMenu) {
setShowContextMenu(false)
}
setIsTextAreaFocused(false)
}, [isMouseDownOnMenu])
const handlePaste = useCallback(
async (e: React.ClipboardEvent) => {
const items = e.clipboardData.items
const acceptedTypes = ["png", "jpeg", "webp"] // supported by anthropic and openrouter (jpg is just a file extension but the image will be recognized as jpeg)
const imageItems = Array.from(items).filter((item) => {
const [type, subtype] = item.type.split("/")
return type === "image" && acceptedTypes.includes(subtype)
})
if (!shouldDisableImages && imageItems.length > 0) {
e.preventDefault()
const imagePromises = imageItems.map((item) => {
return new Promise<string | null>((resolve) => {
const blob = item.getAsFile()
if (!blob) {
resolve(null)
return
}
const reader = new FileReader()
reader.onloadend = () => {
if (reader.error) {
console.error("Error reading file:", reader.error)
resolve(null)
} else {
const result = reader.result
resolve(typeof result === "string" ? result : null)
}
}
reader.readAsDataURL(blob)
})
})
const imageDataArray = await Promise.all(imagePromises)
const dataUrls = imageDataArray.filter((dataUrl): dataUrl is string => dataUrl !== null)
//.map((dataUrl) => dataUrl.split(",")[1]) // strip the mime type prefix, sharp doesn't need it
if (dataUrls.length > 0) {
setSelectedImages((prevImages) => [...prevImages, ...dataUrls].slice(0, MAX_IMAGES_PER_MESSAGE))
} else {
console.warn("No valid images were processed")
}
}
},
[shouldDisableImages, setSelectedImages]
)
const handleThumbnailsHeightChange = useCallback((height: number) => {
setThumbnailsHeight(height)
}, [])
useEffect(() => {
if (selectedImages.length === 0) {
setThumbnailsHeight(0)
}
}, [selectedImages])
const handleMenuMouseDown = useCallback(() => {
setIsMouseDownOnMenu(true)
}, [])
const updateHighlights = useCallback(() => {
if (!textAreaRef.current || !highlightLayerRef.current) return
const text = textAreaRef.current.value
const mentionRegex = /@((?:\/|\w+:\/\/)[^\s]+|problems\b)/g
highlightLayerRef.current.innerHTML = text
.replace(/\n$/, "\n\n")
.replace(/[<>&]/g, (c) => ({ "<": "&lt;", ">": "&gt;", "&": "&amp;" }[c] || c))
.replace(mentionRegex, '<mark class="mention-context-highlight">$&</mark>')
highlightLayerRef.current.scrollTop = textAreaRef.current.scrollTop
highlightLayerRef.current.scrollLeft = textAreaRef.current.scrollLeft
}, [])
useLayoutEffect(() => {
updateHighlights()
}, [inputValue, updateHighlights])
const updateCursorPosition = useCallback(() => {
if (textAreaRef.current) {
setCursorPosition(textAreaRef.current.selectionStart)
}
}, [])
const handleKeyUp = useCallback(
(e: React.KeyboardEvent<HTMLTextAreaElement>) => {
if (["ArrowLeft", "ArrowRight", "ArrowUp", "ArrowDown", "Home", "End"].includes(e.key)) {
updateCursorPosition()
}
},
[updateCursorPosition]
)
return (
<div
style={{
padding: "10px 15px",
opacity: textAreaDisabled ? 0.5 : 1,
position: "relative",
display: "flex",
}}>
{showContextMenu && (
<div ref={contextMenuContainerRef}>
<ContextMenu
onSelect={handleMentionSelect}
searchQuery={searchQuery}
onMouseDown={handleMenuMouseDown}
selectedIndex={selectedMenuIndex}
setSelectedIndex={setSelectedMenuIndex}
selectedType={selectedType}
searchPaths={searchPaths}
/>
</div>
)}
{!isTextAreaFocused && (
<div
style={{
position: "absolute",
inset: "10px 15px",
border: "1px solid var(--vscode-input-border)",
borderRadius: 2,
pointerEvents: "none",
zIndex: 5,
}}
/>
)}
<div
ref={highlightLayerRef}
style={{
position: "absolute",
top: 10,
left: 15,
right: 15,
bottom: 10,
pointerEvents: "none",
whiteSpace: "pre-wrap",
wordWrap: "break-word",
color: "transparent",
overflow: "hidden",
backgroundColor: "var(--vscode-input-background)",
fontFamily: "var(--vscode-font-family)",
fontSize: "var(--vscode-editor-font-size)",
lineHeight: "var(--vscode-editor-line-height)",
borderRadius: 2,
borderLeft: 0,
borderRight: 0,
borderTop: 0,
borderColor: "transparent",
borderBottom: `${thumbnailsHeight + 6}px solid transparent`,
padding: "9px 49px 3px 9px",
}}
/>
<DynamicTextArea
ref={(el) => {
if (typeof ref === "function") {
ref(el)
} else if (ref) {
ref.current = el
}
textAreaRef.current = el
}}
value={inputValue}
disabled={textAreaDisabled}
onChange={(e) => {
handleInputChange(e)
updateHighlights()
}}
onKeyDown={handleKeyDown}
onKeyUp={handleKeyUp}
onFocus={() => setIsTextAreaFocused(true)}
onBlur={handleBlur}
onPaste={handlePaste}
onSelect={updateCursorPosition}
onMouseUp={updateCursorPosition}
onHeightChange={(height) => {
if (textAreaBaseHeight === undefined || height < textAreaBaseHeight) {
setTextAreaBaseHeight(height)
}
onHeightChange?.(height)
}}
placeholder={placeholderText}
maxRows={10}
autoFocus={true}
style={{
width: "100%",
boxSizing: "border-box",
backgroundColor: "transparent",
color: "var(--vscode-input-foreground)",
//border: "1px solid var(--vscode-input-border)",
borderRadius: 2,
fontFamily: "var(--vscode-font-family)",
fontSize: "var(--vscode-editor-font-size)",
lineHeight: "var(--vscode-editor-line-height)",
resize: "none",
overflowX: "hidden",
overflowY: "scroll",
scrollbarWidth: "none",
// Since we have maxRows, when text is long enough it starts to overflow the bottom padding, appearing behind the thumbnails. To fix this, we use a transparent border to push the text up instead. (https://stackoverflow.com/questions/42631947/maintaining-a-padding-inside-of-text-area/52538410#52538410)
// borderTop: "9px solid transparent",
borderLeft: 0,
borderRight: 0,
borderTop: 0,
borderBottom: `${thumbnailsHeight + 6}px solid transparent`,
borderColor: "transparent",
// borderRight: "54px solid transparent",
// borderLeft: "9px solid transparent", // NOTE: react-textarea-autosize doesn't calculate correct height when using borderLeft/borderRight so we need to use horizontal padding instead
// Instead of using boxShadow, we use a div with a border to better replicate the behavior when the textarea is focused
// boxShadow: "0px 0px 0px 1px var(--vscode-input-border)",
padding: "9px 49px 3px 9px",
cursor: textAreaDisabled ? "not-allowed" : undefined,
flex: 1,
zIndex: 1,
}}
onScroll={() => updateHighlights()}
/>
{selectedImages.length > 0 && (
<Thumbnails
images={selectedImages}
setImages={setSelectedImages}
onHeightChange={handleThumbnailsHeightChange}
style={{
position: "absolute",
paddingTop: 4,
bottom: 14,
left: 22,
right: 67, // (54 + 9) + 4 extra padding
zIndex: 2,
}}
/>
)}
<div
style={{
position: "absolute",
right: 23,
display: "flex",
alignItems: "flex-center",
height: textAreaBaseHeight || 31,
bottom: 9, // should be 10 but doesnt look good on mac
zIndex: 2,
}}>
<div style={{ display: "flex", flexDirection: "row", alignItems: "center" }}>
<div
className={`input-icon-button ${
shouldDisableImages ? "disabled" : ""
} codicon codicon-device-camera`}
onClick={() => {
if (!shouldDisableImages) {
onSelectImages()
}
}}
style={{
marginRight: 5.5,
fontSize: 16.5,
}}
/>
<div
className={`input-icon-button ${textAreaDisabled ? "disabled" : ""} codicon codicon-send`}
onClick={() => {
if (!textAreaDisabled) {
onSend()
}
}}
style={{ fontSize: 15 }}></div>
</div>
</div>
</div>
)
}
)
export default ChatTextArea