Files
CodeNomad/packages/ui/src/components/message-timeline.tsx
Shantur Rathore 2a5bb6304d fix(ui): keep timeline preview tooltip interactive
Allow pointer interaction with the message preview tooltip and delay hover dismissal so users can move from the timeline segment onto the preview to copy or delete.
2026-02-08 21:06:32 +00:00

475 lines
16 KiB
TypeScript

import { For, Show, createEffect, createMemo, createSignal, onCleanup, type Component } from "solid-js"
import MessagePreview from "./message-preview"
import { messageStoreBus } from "../stores/message-v2/bus"
import type { ClientPart } from "../types/message"
import type { MessageRecord } from "../stores/message-v2/types"
import { buildRecordDisplayData } from "../stores/message-v2/record-display-cache"
import { getToolIcon } from "./tool-call/utils"
import { User as UserIcon, Bot as BotIcon, FoldVertical, ShieldAlert } from "lucide-solid"
import { useI18n } from "../lib/i18n"
export type TimelineSegmentType = "user" | "assistant" | "tool" | "compaction"
export interface TimelineSegment {
id: string
messageId: string
type: TimelineSegmentType
label: string
tooltip: string
shortLabel?: string
variant?: "auto" | "manual"
toolPartIds?: string[]
}
interface MessageTimelineProps {
segments: TimelineSegment[]
onSegmentClick?: (segment: TimelineSegment) => void
activeMessageId?: string | null
instanceId: string
sessionId: string
showToolSegments?: boolean
}
const MAX_TOOLTIP_LENGTH = 220
type ToolCallPart = Extract<ClientPart, { type: "tool" }>
interface PendingSegment {
type: TimelineSegmentType
texts: string[]
reasoningTexts: string[]
toolTitles: string[]
toolTypeLabels: string[]
toolIcons: string[]
toolPartIds: string[]
hasPrimaryText: boolean
}
function truncateText(value: string): string {
if (value.length <= MAX_TOOLTIP_LENGTH) {
return value
}
return `${value.slice(0, MAX_TOOLTIP_LENGTH - 1).trimEnd()}`
}
function collectReasoningText(part: ClientPart): string {
const stringifySegment = (segment: unknown): string => {
if (typeof segment === "string") {
return segment
}
if (segment && typeof segment === "object") {
const obj = segment as { text?: unknown; value?: unknown; content?: unknown[] }
const parts: string[] = []
if (typeof obj.text === "string") {
parts.push(obj.text)
}
if (typeof obj.value === "string") {
parts.push(obj.value)
}
if (Array.isArray(obj.content)) {
parts.push(obj.content.map((entry) => stringifySegment(entry)).join("\n"))
}
return parts.filter(Boolean).join("\n")
}
return ""
}
if (typeof (part as any)?.text === "string") {
return (part as any).text
}
if (Array.isArray((part as any)?.content)) {
return (part as any).content.map((entry: unknown) => stringifySegment(entry)).join("\n")
}
return ""
}
function collectTextFromPart(part: ClientPart, t: (key: string, params?: Record<string, unknown>) => string): string {
if (!part) return ""
if (typeof (part as any).text === "string") {
return (part as any).text as string
}
if (part.type === "reasoning") {
return collectReasoningText(part)
}
if (Array.isArray((part as any)?.content)) {
return ((part as any).content as unknown[])
.map((entry) => (typeof entry === "string" ? entry : ""))
.filter(Boolean)
.join("\n")
}
if (part.type === "file") {
const filename = (part as any)?.filename
return typeof filename === "string" && filename.length > 0
? t("messageTimeline.text.filePrefix", { filename })
: t("messageTimeline.text.attachment")
}
return ""
}
function getToolTitle(part: ToolCallPart, t: (key: string, params?: Record<string, unknown>) => string): string {
const metadata = (((part as unknown as { state?: { metadata?: unknown } })?.state?.metadata) || {}) as { title?: unknown }
const title = typeof metadata.title === "string" && metadata.title.length > 0 ? metadata.title : undefined
if (title) return title
if (typeof part.tool === "string" && part.tool.length > 0) {
return part.tool
}
return t("messageTimeline.tool.fallbackLabel")
}
function getToolTypeLabel(part: ToolCallPart, t: (key: string, params?: Record<string, unknown>) => string): string {
if (typeof part.tool === "string" && part.tool.trim().length > 0) {
return part.tool.trim().slice(0, 4)
}
return t("messageTimeline.tool.fallbackLabel").slice(0, 4)
}
function formatTextsTooltip(texts: string[], fallback: string): string {
const combined = texts
.map((text) => text.trim())
.filter((text) => text.length > 0)
.join("\n\n")
if (combined.length > 0) {
return truncateText(combined)
}
return fallback
}
function formatToolTooltip(
titles: string[],
t: (key: string, params?: Record<string, unknown>) => string,
): string {
if (titles.length === 0) {
return t("messageTimeline.tool.fallbackLabel")
}
return truncateText(`${t("messageTimeline.tool.fallbackLabel")}: ${titles.join(", ")}`)
}
export function buildTimelineSegments(
instanceId: string,
record: MessageRecord,
t: (key: string, params?: Record<string, unknown>) => string,
): TimelineSegment[] {
if (!record) return []
const { orderedParts } = buildRecordDisplayData(instanceId, record)
if (!orderedParts || orderedParts.length === 0) {
return []
}
const segmentLabel = (type: TimelineSegmentType) => {
if (type === "user") return t("messageTimeline.segment.user.label")
if (type === "assistant") return t("messageTimeline.segment.assistant.label")
if (type === "compaction") return t("messageTimeline.segment.compaction.label")
return t("messageTimeline.tool.fallbackLabel").slice(0, 4)
}
const result: TimelineSegment[] = []
let segmentIndex = 0
let pending: PendingSegment | null = null
const flushPending = () => {
if (!pending) return
if (pending.type === "assistant" && !pending.hasPrimaryText) {
pending = null
return
}
const isToolSegment = pending.type === "tool"
const label = isToolSegment
? pending.toolTypeLabels[0] || segmentLabel("tool")
: segmentLabel(pending.type)
const shortLabel = isToolSegment ? pending.toolIcons[0] || getToolIcon("tool") : undefined
const tooltip = isToolSegment
? formatToolTooltip(pending.toolTitles, t)
: formatTextsTooltip(
[...pending.texts, ...pending.reasoningTexts],
pending.type === "user" ? t("messageTimeline.tooltip.userFallback") : t("messageTimeline.tooltip.assistantFallback"),
)
result.push({
id: `${record.id}:${segmentIndex}`,
messageId: record.id,
type: pending.type,
label,
tooltip,
shortLabel,
toolPartIds: isToolSegment ? pending.toolPartIds : undefined,
})
segmentIndex += 1
pending = null
}
const ensureSegment = (type: TimelineSegmentType): PendingSegment => {
if (!pending || pending.type !== type) {
flushPending()
pending = { type, texts: [], reasoningTexts: [], toolTitles: [], toolTypeLabels: [], toolIcons: [], toolPartIds: [], hasPrimaryText: type !== "assistant" }
}
return pending!
}
const defaultContentType: TimelineSegmentType = record.role === "user" ? "user" : "assistant"
for (const part of orderedParts) {
if (!part || typeof part !== "object") continue
if (part.type === "tool") {
const target = ensureSegment("tool")
const toolPart = part as ToolCallPart
target.toolTitles.push(getToolTitle(toolPart, t))
target.toolTypeLabels.push(getToolTypeLabel(toolPart, t))
target.toolIcons.push(getToolIcon(typeof toolPart.tool === "string" ? toolPart.tool : "tool"))
if (typeof toolPart.id === "string" && toolPart.id.length > 0) {
target.toolPartIds.push(toolPart.id)
}
continue
}
if (part.type === "reasoning") {
const text = collectReasoningText(part)
if (text.trim().length === 0) continue
const target = ensureSegment(defaultContentType)
if (target) {
target.reasoningTexts.push(text)
}
continue
}
if (part.type === "compaction") {
flushPending()
const isAuto = Boolean((part as any)?.auto)
result.push({
id: `${record.id}:${segmentIndex}`,
messageId: record.id,
type: "compaction",
label: segmentLabel("compaction"),
tooltip: isAuto ? t("messageTimeline.tooltip.compaction.auto") : t("messageTimeline.tooltip.compaction.manual"),
variant: isAuto ? "auto" : "manual",
})
segmentIndex += 1
continue
}
if (part.type === "step-start" || part.type === "step-finish") {
continue
}
const text = collectTextFromPart(part, t)
if (text.trim().length === 0) continue
const target = ensureSegment(defaultContentType)
if (target) {
target.texts.push(text)
target.hasPrimaryText = true
}
}
flushPending()
return result
}
const MessageTimeline: Component<MessageTimelineProps> = (props) => {
const { t } = useI18n()
const buttonRefs = new Map<string, HTMLButtonElement>()
const store = () => messageStoreBus.getOrCreate(props.instanceId)
const [hoveredSegment, setHoveredSegment] = createSignal<TimelineSegment | null>(null)
const [tooltipCoords, setTooltipCoords] = createSignal<{ top: number; left: number }>({ top: 0, left: 0 })
const [hoverAnchorRect, setHoverAnchorRect] = createSignal<{ top: number; left: number; width: number; height: number } | null>(null)
const [tooltipSize, setTooltipSize] = createSignal<{ width: number; height: number }>({ width: 360, height: 420 })
const [tooltipElement, setTooltipElement] = createSignal<HTMLDivElement | null>(null)
let hoverTimer: number | null = null
let closeTimer: number | null = null
const showTools = () => props.showToolSegments ?? true
const registerButtonRef = (segmentId: string, element: HTMLButtonElement | null) => {
if (element) {
buttonRefs.set(segmentId, element)
} else {
buttonRefs.delete(segmentId)
}
}
const clearHoverTimer = () => {
if (hoverTimer !== null && typeof window !== "undefined") {
window.clearTimeout(hoverTimer)
hoverTimer = null
}
}
const clearCloseTimer = () => {
if (closeTimer !== null && typeof window !== "undefined") {
window.clearTimeout(closeTimer)
closeTimer = null
}
}
const scheduleClose = () => {
if (typeof window === "undefined") return
clearHoverTimer()
clearCloseTimer()
// Small delay so the pointer can travel from the segment to the tooltip.
closeTimer = window.setTimeout(() => {
closeTimer = null
setHoveredSegment(null)
setHoverAnchorRect(null)
}, 160)
}
const handleMouseEnter = (segment: TimelineSegment, event: MouseEvent) => {
if (typeof window === "undefined") return
clearHoverTimer()
clearCloseTimer()
const target = event.currentTarget as HTMLButtonElement
hoverTimer = window.setTimeout(() => {
const rect = target.getBoundingClientRect()
setHoverAnchorRect({ top: rect.top, left: rect.left, width: rect.width, height: rect.height })
setHoveredSegment(segment)
}, 200)
}
const handleMouseLeave = () => {
scheduleClose()
}
createEffect(() => {
if (typeof window === "undefined") return
const anchor = hoverAnchorRect()
const segment = hoveredSegment()
if (!anchor || !segment) return
const { width, height } = tooltipSize()
const verticalGap = 16
const horizontalGap = 16
const preferredTop = anchor.top + anchor.height / 2 - height / 2
const maxTop = window.innerHeight - height - verticalGap
const clampedTop = Math.min(maxTop, Math.max(verticalGap, preferredTop))
const preferredLeft = anchor.left - width - horizontalGap
const clampedLeft = Math.max(horizontalGap, preferredLeft)
setTooltipCoords({ top: clampedTop, left: clampedLeft })
})
onCleanup(() => {
clearHoverTimer()
clearCloseTimer()
})
createEffect(() => {
const activeId = props.activeMessageId
if (!activeId) return
const targetSegment = props.segments.find((segment) => segment.messageId === activeId)
if (!targetSegment) return
const element = buttonRefs.get(targetSegment.id)
if (!element) return
const timer = typeof window !== "undefined" ? window.setTimeout(() => {
element.scrollIntoView({ block: "nearest", behavior: "smooth" })
}, 120) : null
onCleanup(() => {
if (timer !== null && typeof window !== "undefined") {
window.clearTimeout(timer)
}
})
})
createEffect(() => {
const element = tooltipElement()
if (!element || typeof window === "undefined") return
const updateSize = () => {
const rect = element.getBoundingClientRect()
setTooltipSize({ width: rect.width, height: rect.height })
}
updateSize()
if (typeof ResizeObserver === "undefined") return
const observer = new ResizeObserver(() => updateSize())
observer.observe(element)
onCleanup(() => observer.disconnect())
})
const previewData = createMemo(() => {
const segment = hoveredSegment()
if (!segment) return null
const record = store().getMessage(segment.messageId)
if (!record) return null
return { messageId: segment.messageId }
})
return (
<div class="message-timeline" role="navigation" aria-label={t("messageTimeline.ariaLabel")}>
<For each={props.segments}>
{(segment) => {
onCleanup(() => buttonRefs.delete(segment.id))
const isActive = () => props.activeMessageId === segment.messageId
const hasActivePermission = () => {
if (segment.type !== "tool") return false
const partIds = segment.toolPartIds ?? []
if (partIds.length === 0) return false
for (const partId of partIds) {
const permissionState = store().getPermissionState(segment.messageId, partId)
if (permissionState?.active) return true
}
return false
}
const isHidden = () => segment.type === "tool" && !(showTools() || isActive() || hasActivePermission())
const shortLabelContent = () => {
if (segment.type === "tool") {
if (hasActivePermission()) {
return <ShieldAlert class="message-timeline-icon" aria-hidden="true" />
}
return segment.shortLabel ?? getToolIcon("tool")
}
if (segment.type === "compaction") {
return <FoldVertical class="message-timeline-icon" aria-hidden="true" />
}
if (segment.type === "user") {
return <UserIcon class="message-timeline-icon" aria-hidden="true" />
}
return <BotIcon class="message-timeline-icon" aria-hidden="true" />
}
return (
<button
ref={(el) => registerButtonRef(segment.id, el)}
type="button"
data-variant={segment.variant}
class={`message-timeline-segment message-timeline-${segment.type} ${hasActivePermission() ? "message-timeline-segment-permission" : ""} ${segment.type === "compaction" ? `message-timeline-compaction-${segment.variant ?? "manual"}` : ""} ${isActive() ? "message-timeline-segment-active" : ""} ${isHidden() ? "message-timeline-segment-hidden" : ""}`}
aria-current={isActive() ? "true" : undefined}
aria-hidden={isHidden() ? "true" : undefined}
onClick={() => props.onSegmentClick?.(segment)}
onMouseEnter={(event) => handleMouseEnter(segment, event)}
onMouseLeave={handleMouseLeave}
>
<span class="message-timeline-label message-timeline-label-full">{segment.label}</span>
<span class="message-timeline-label message-timeline-label-short">{shortLabelContent()}</span>
</button>
)
}}
</For>
<Show when={previewData()}>
{(data) => {
onCleanup(() => setTooltipElement(null))
return (
<div
ref={(element) => setTooltipElement(element)}
class="message-timeline-tooltip"
style={{ top: `${tooltipCoords().top}px`, left: `${tooltipCoords().left}px` }}
onMouseEnter={() => clearCloseTimer()}
onMouseLeave={() => scheduleClose()}
>
<MessagePreview
messageId={data().messageId}
instanceId={props.instanceId}
sessionId={props.sessionId}
store={store}
/>
</div>
)
}}
</Show>
</div>
)
}
export default MessageTimeline