feat(ui): add Monaco changes/files right drawer viewers

Use OpenCode v2 file APIs for browsing and Monaco DiffEditor for session snapshot diffs, with local baseline language metadata and optional CDN language loading.
This commit is contained in:
Shantur Rathore
2026-02-09 21:00:40 +00:00
parent 4eded9e204
commit b59e85abda
17 changed files with 1035 additions and 30 deletions

View File

@@ -11,6 +11,7 @@ import {
type Component,
} from "solid-js"
import type { ToolState } from "@opencode-ai/sdk"
import type { FileContent, FileNode } from "@opencode-ai/sdk/v2/client"
import { Accordion } from "@kobalte/core"
import { ChevronDown, Search, TerminalSquare, Trash2, XOctagon } from "lucide-solid"
import AppBar from "@suid/material/AppBar"
@@ -64,10 +65,14 @@ import { formatTokenTotal } from "../../lib/formatters"
import { sseManager } from "../../lib/sse-manager"
import { getLogger } from "../../lib/logger"
import { serverApi } from "../../lib/api-client"
import { requestData } from "../../lib/opencode-api"
import WorktreeSelector from "../worktree-selector"
import { getBackgroundProcesses, loadBackgroundProcesses } from "../../stores/background-processes"
import { BackgroundProcessOutputDialog } from "../background-process-output-dialog"
import { useI18n } from "../../lib/i18n"
import { getDefaultWorktreeSlug, getOrCreateWorktreeClient, getWorktreeSlugForSession } from "../../stores/worktrees"
import { MonacoDiffViewer } from "../file-viewer/monaco-diff-viewer"
import { MonacoFileViewer } from "../file-viewer/monaco-file-viewer"
import {
SESSION_SIDEBAR_EVENT,
type SessionSidebarRequestAction,
@@ -105,7 +110,7 @@ const RIGHT_PANEL_TAB_STORAGE_KEY = "opencode-session-right-panel-tab-v1"
type LayoutMode = "desktop" | "tablet" | "phone"
type RightPanelTab = "files" | "status"
type RightPanelTab = "files" | "browser" | "status"
const clampWidth = (value: number) => Math.min(MAX_SESSION_SIDEBAR_WIDTH, Math.max(MIN_SESSION_SIDEBAR_WIDTH, value))
const clampRightWidth = (value: number) => {
@@ -129,7 +134,9 @@ function persistPinState(side: "left" | "right", value: boolean) {
function readStoredRightPanelTab(defaultValue: RightPanelTab): RightPanelTab {
if (typeof window === "undefined") return defaultValue
const stored = window.localStorage.getItem(RIGHT_PANEL_TAB_STORAGE_KEY)
return stored === "status" ? "status" : defaultValue
if (stored === "status") return "status"
if (stored === "browser") return "browser"
return defaultValue
}
const InstanceShell2: Component<InstanceShellProps> = (props) => {
@@ -164,6 +171,19 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
"plugins",
])
const [selectedFile, setSelectedFile] = createSignal<string | null>(null)
const [browserPath, setBrowserPath] = createSignal(".")
const [browserEntries, setBrowserEntries] = createSignal<FileNode[] | null>(null)
const [browserLoading, setBrowserLoading] = createSignal(false)
const [browserError, setBrowserError] = createSignal<string | null>(null)
const [browserSelectedPath, setBrowserSelectedPath] = createSignal<string | null>(null)
const [browserSelectedContent, setBrowserSelectedContent] = createSignal<string | null>(null)
const [browserSelectedLoading, setBrowserSelectedLoading] = createSignal(false)
const [browserSelectedError, setBrowserSelectedError] = createSignal<string | null>(null)
const [diffViewMode, setDiffViewMode] = createSignal<"split" | "unified">("split")
const [diffContextMode, setDiffContextMode] = createSignal<"expanded" | "collapsed">("collapsed")
const [selectedBackgroundProcess, setSelectedBackgroundProcess] = createSignal<BackgroundProcess | null>(null)
const [showBackgroundOutput, setShowBackgroundOutput] = createSignal(false)
const [permissionModalOpen, setPermissionModalOpen] = createSignal(false)
@@ -993,6 +1013,93 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
)
const RightDrawerContent = () => {
const worktreeSlugForViewer = createMemo(() => {
const sessionId = activeSessionIdForInstance()
if (sessionId && sessionId !== "info") {
return getWorktreeSlugForSession(props.instance.id, sessionId)
}
return getDefaultWorktreeSlug(props.instance.id)
})
createEffect(() => {
// Reset browser state when worktree context changes.
worktreeSlugForViewer()
setBrowserPath(".")
setBrowserEntries(null)
setBrowserError(null)
setBrowserSelectedPath(null)
setBrowserSelectedContent(null)
setBrowserSelectedError(null)
setBrowserSelectedLoading(false)
})
const browserClient = createMemo(() => getOrCreateWorktreeClient(props.instance.id, worktreeSlugForViewer()))
const normalizeBrowserPath = (input: string) => {
const raw = String(input || ".").trim()
if (!raw || raw === "./") return "."
const cleaned = raw.replace(/\\/g, "/").replace(/\/+$/, "")
return cleaned === "" ? "." : cleaned
}
const getParentPath = (path: string): string | null => {
const current = normalizeBrowserPath(path)
if (current === ".") return null
const parts = current.split("/").filter(Boolean)
parts.pop()
return parts.length ? parts.join("/") : "."
}
const loadBrowserEntries = async (path: string) => {
const normalized = normalizeBrowserPath(path)
setBrowserLoading(true)
setBrowserError(null)
try {
const nodes = await requestData<FileNode[]>(browserClient().file.list({ path: normalized }), "file.list")
setBrowserPath(normalized)
setBrowserEntries(Array.isArray(nodes) ? nodes : [])
} catch (error) {
setBrowserError(error instanceof Error ? error.message : "Failed to load files")
setBrowserEntries([])
} finally {
setBrowserLoading(false)
}
}
const openBrowserFile = async (path: string) => {
setBrowserSelectedPath(path)
setBrowserSelectedLoading(true)
setBrowserSelectedError(null)
setBrowserSelectedContent(null)
try {
const content = await requestData<FileContent>(browserClient().file.read({ path }), "file.read")
const type = (content as any)?.type
const encoding = (content as any)?.encoding
if (type && type !== "text") {
throw new Error("Binary file cannot be displayed")
}
if (encoding === "base64") {
throw new Error("Binary file cannot be displayed")
}
const text = (content as any)?.content
if (typeof text !== "string") {
throw new Error("Unsupported file type")
}
setBrowserSelectedContent(text)
} catch (error) {
setBrowserSelectedError(error instanceof Error ? error.message : "Failed to read file")
} finally {
setBrowserSelectedLoading(false)
}
}
createEffect(() => {
if (rightPanelTab() !== "browser") return
if (browserLoading()) return
if (browserEntries() !== null) return
void loadBrowserEntries(browserPath())
})
const renderFilesTabContent = () => {
const sessionId = activeSessionIdForInstance()
if (!sessionId || sessionId === "info") {
@@ -1034,25 +1141,91 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
const currentSelected = selectedFile()
const selectedFileData = sorted.find((f) => f.file === currentSelected) || sorted[0]
const scopeKey = `${props.instance.id}:${sessionId}`
const isBinaryDiff = (item: any) => {
const before = typeof item?.before === "string" ? item.before : ""
const after = typeof item?.after === "string" ? item.after : ""
if (before.length === 0 && after.length === 0) {
// OpenCode stores empty before/after for binaries.
return true
}
return false
}
if (isPhoneLayout()) {
return (
<div class="files-tab-container">
<div class="mobile-file-selector">
<span class="mobile-file-selector-label">{t("instanceShell.filesShell.mobileSelectorLabel")}</span>
<button type="button" class="selector-trigger mobile-file-selector-trigger" disabled>
<span class="selector-trigger-label selector-trigger-primary selector-trigger-primary--align-left truncate">
{selectedFileData?.file || t("instanceShell.filesShell.mobileSelectorEmpty")}
</span>
<span class="selector-trigger-icon" aria-hidden="true">
<ChevronDown class="w-3 h-3" />
</span>
</button>
<div class="rounded-lg border border-base bg-surface-secondary p-2 max-h-[32vh] overflow-y-auto">
<div class="flex flex-col">
<For each={sorted}>
{(item) => (
<button
type="button"
class={`border-b border-base last:border-b-0 text-left hover:bg-surface-muted rounded-sm ${selectedFileData?.file === item.file ? "bg-surface-base" : ""}`}
onClick={() => setSelectedFile(item.file)}
title={item.file}
>
<div class="flex items-center justify-between gap-3">
<div
class="text-xs font-mono text-primary min-w-0 flex-1 overflow-hidden whitespace-nowrap"
title={item.file}
style="text-overflow: ellipsis; direction: rtl; text-align: left; unicode-bidi: plaintext;"
>
{item.file}
</div>
<div class="flex items-center gap-2 text-[11px] flex-shrink-0">
<span style={{ color: "var(--session-status-idle-fg)" }}>{`+${item.additions}`}</span>
<span style={{ color: "var(--session-status-working-fg)" }}>{`-${item.deletions}`}</span>
</div>
</div>
</button>
)}
</For>
</div>
</div>
<div class="mobile-file-viewer">
<div class="file-viewer-panel flex-1">
<div class="file-viewer-header">
<span class="file-viewer-title">{t("instanceShell.filesShell.viewerTitle")}</span>
<div class="file-viewer-toolbar">
<button
type="button"
class={`file-viewer-toolbar-button${diffViewMode() === "split" ? " active" : ""}`}
aria-pressed={diffViewMode() === "split"}
onClick={() => setDiffViewMode("split")}
>
Split
</button>
<button
type="button"
class={`file-viewer-toolbar-button${diffViewMode() === "unified" ? " active" : ""}`}
aria-pressed={diffViewMode() === "unified"}
onClick={() => setDiffViewMode("unified")}
>
Unified
</button>
<button
type="button"
class={`file-viewer-toolbar-button${diffContextMode() === "collapsed" ? " active" : ""}`}
aria-pressed={diffContextMode() === "collapsed"}
onClick={() => setDiffContextMode("collapsed")}
title="Hide unchanged regions"
>
Collapsed
</button>
<button
type="button"
class={`file-viewer-toolbar-button${diffContextMode() === "expanded" ? " active" : ""}`}
aria-pressed={diffContextMode() === "expanded"}
onClick={() => setDiffContextMode("expanded")}
title="Show full file"
>
Expanded
</button>
</div>
</div>
<div class="file-viewer-content">
<div class="file-viewer-content file-viewer-content--monaco">
<Show
when={selectedFileData}
fallback={
@@ -1062,10 +1235,23 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
}
>
{(file) => (
<div class="file-viewer-selected-file">
<span class="file-viewer-file-name">{file().file}</span>
<p class="file-viewer-placeholder">{t("instanceShell.filesShell.viewerPlaceholder")}</p>
</div>
<Show
when={!isBinaryDiff(file())}
fallback={
<div class="file-viewer-empty">
<span class="file-viewer-empty-text">Binary file cannot be displayed</span>
</div>
}
>
<MonacoDiffViewer
scopeKey={scopeKey}
path={String(file().file || "")}
before={String((file() as any).before || "")}
after={String((file() as any).after || "")}
viewMode={diffViewMode()}
contextMode={diffContextMode()}
/>
</Show>
)}
</Show>
</div>
@@ -1123,8 +1309,44 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
<div class="file-viewer-panel flex-1">
<div class="file-viewer-header">
<span class="file-viewer-title">{t("instanceShell.filesShell.viewerTitle")}</span>
<div class="file-viewer-toolbar">
<button
type="button"
class={`file-viewer-toolbar-button${diffViewMode() === "split" ? " active" : ""}`}
aria-pressed={diffViewMode() === "split"}
onClick={() => setDiffViewMode("split")}
>
Split
</button>
<button
type="button"
class={`file-viewer-toolbar-button${diffViewMode() === "unified" ? " active" : ""}`}
aria-pressed={diffViewMode() === "unified"}
onClick={() => setDiffViewMode("unified")}
>
Unified
</button>
<button
type="button"
class={`file-viewer-toolbar-button${diffContextMode() === "collapsed" ? " active" : ""}`}
aria-pressed={diffContextMode() === "collapsed"}
onClick={() => setDiffContextMode("collapsed")}
title="Hide unchanged regions"
>
Collapsed
</button>
<button
type="button"
class={`file-viewer-toolbar-button${diffContextMode() === "expanded" ? " active" : ""}`}
aria-pressed={diffContextMode() === "expanded"}
onClick={() => setDiffContextMode("expanded")}
title="Show full file"
>
Expanded
</button>
</div>
</div>
<div class="file-viewer-content">
<div class="file-viewer-content file-viewer-content--monaco">
<Show
when={selectedFileData}
fallback={
@@ -1134,12 +1356,157 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
}
>
{(file) => (
<div class="file-viewer-selected-file">
<span class="file-viewer-file-name">{file().file}</span>
<p class="file-viewer-placeholder">{t("instanceShell.filesShell.viewerPlaceholder")}</p>
<Show
when={!isBinaryDiff(file())}
fallback={
<div class="file-viewer-empty">
<span class="file-viewer-empty-text">Binary file cannot be displayed</span>
</div>
}
>
<MonacoDiffViewer
scopeKey={scopeKey}
path={String(file().file || "")}
before={String((file() as any).before || "")}
after={String((file() as any).after || "")}
viewMode={diffViewMode()}
contextMode={diffContextMode()}
/>
</Show>
)}
</Show>
</div>
</div>
</div>
</div>
)
}
const renderBrowserTabContent = () => {
if (browserLoading() && browserEntries() === null) {
return (
<div class="right-panel-empty">
<span class="text-xs">Loading files...</span>
</div>
)
}
const entries = browserEntries() || []
const sorted = [...entries].sort((a, b) => {
const aDir = a.type === "directory" ? 0 : 1
const bDir = b.type === "directory" ? 0 : 1
if (aDir !== bDir) return aDir - bDir
return String(a.name || "").localeCompare(String(b.name || ""))
})
const parent = getParentPath(browserPath())
const scopeKey = `${props.instance.id}:${worktreeSlugForViewer()}`
return (
<div class="files-tab-container">
<div class="files-tab-header">
<div class="files-tab-stats">
<span class="files-tab-stat">
<span class="files-tab-stat-value">{browserPath()}</span>
</span>
<Show when={browserLoading()}>
<span>Loading</span>
</Show>
<Show when={browserError()}>
{(err) => <span class="text-error">{err()}</span>}
</Show>
</div>
</div>
<div class="flex min-h-0 gap-3 flex-1">
<div class="file-list-panel">
<div class="file-list-header">
<span class="file-list-title">Files</span>
<span class="file-list-count">{sorted.length}</span>
</div>
<div class="file-list-scroll">
<Show when={parent}>
{(p) => (
<div class="file-list-item" onClick={() => void loadBrowserEntries(p())}>
<div class="file-list-item-content">
<div class="file-list-item-path" title={p()}>
..
</div>
</div>
</div>
)}
</Show>
<For each={sorted}>
{(item) => (
<div
class={`file-list-item ${browserSelectedPath() === item.path ? "file-list-item-active" : ""}`}
onClick={() => {
if (item.type === "directory") {
void loadBrowserEntries(item.path)
return
}
void openBrowserFile(item.path)
}}
title={item.path}
>
<div class="file-list-item-content">
<div class="file-list-item-path" title={item.path}>
{item.name}
</div>
<div class="file-list-item-stats">
<span class="text-[10px] text-secondary">{item.type}</span>
</div>
</div>
</div>
)}
</For>
</div>
</div>
<div class="file-viewer-panel flex-1">
<div class="file-viewer-header">
<span class="file-viewer-title">Viewer</span>
</div>
<div class="file-viewer-content file-viewer-content--monaco">
<Show
when={browserSelectedLoading()}
fallback={
<Show
when={browserSelectedError()}
fallback={
<Show
when={browserSelectedPath() && browserSelectedContent() !== null
? { path: browserSelectedPath() as string, content: browserSelectedContent() as string }
: null}
fallback={
<div class="file-viewer-empty">
<span class="file-viewer-empty-text">Select a file to preview</span>
</div>
}
>
{(payload) => (
<MonacoFileViewer
scopeKey={scopeKey}
path={payload().path}
content={payload().content}
/>
)}
</Show>
}
>
{(err) => (
<div class="file-viewer-empty">
<span class="file-viewer-empty-text">{err()}</span>
</div>
)}
</Show>
}
>
<div class="file-viewer-empty">
<span class="file-viewer-empty-text">Loading</span>
</div>
</Show>
</div>
</div>
</div>
@@ -1470,6 +1837,15 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
>
<span class="tab-label">{t("instanceShell.rightPanel.tabs.changes")}</span>
</button>
<button
type="button"
role="tab"
class={tabClass("browser")}
aria-selected={rightPanelTab() === "browser"}
onClick={() => setRightPanelTab("browser")}
>
<span class="tab-label">{t("instanceShell.rightPanel.tabs.files")}</span>
</button>
<button
type="button"
role="tab"
@@ -1489,6 +1865,7 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
<div class="flex-1 overflow-y-auto">
<Show when={rightPanelTab() === "files"}>{renderFilesTabContent()}</Show>
<Show when={rightPanelTab() === "browser"}>{renderBrowserTabContent()}</Show>
<Show when={rightPanelTab() === "status"}>{renderStatusTabContent()}</Show>
</div>
</div>