Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 | /**
* ContextDetailShell — shared header + tab bar for context detail views.
* Used by both the Code context and Agent detail pages so the
* back-arrow / icon / name / tab-bar pattern is rendered from one component.
*
* @module
*/
import { useCallback, useMemo, useRef, type JSX, type KeyboardEvent, type ReactNode } from "react";
import { Activity, ArrowLeft, CalendarClock, Code2, MessageSquare, Settings } from "lucide-react";
import { Tooltip } from "../display/Tooltip.js";
import type { AgentTab } from "../../utils/navigation.js";
import navStyles from "./AppNav.module.scss";
import styles from "./ContextDetailShell.module.scss";
/** A single tab in the {@link ContextDetailShell} tab bar. */
export interface ContextDetailTab {
/** Stable identifier used as the `activeTab` value. */
id: string;
/** Display label. */
label: string;
/** Icon element rendered before the label. */
icon: ReactNode;
/** Optional `data-testid` for the tab button. */
testId?: string;
/** When `"end"`, the tab is pinned to the right edge of the bar. */
align?: "end";
}
/** Props for {@link ContextDetailShell}. */
export interface ContextDetailShellProps {
/** Icon element displayed in the header (avatar, Lucide icon, etc.). */
icon: ReactNode;
/** Context name displayed next to the icon. */
name: string;
/** Navigate back (e.g. to the home page). */
onNavigateBack: () => void;
/** Optional content rendered below the name (e.g. heartbeat status). */
statusContent?: ReactNode;
/** Tabs rendered in the tab bar. */
tabs: ContextDetailTab[];
/** Identifier of the currently active tab. */
activeTab: string;
/** Called with a tab id when the user selects a tab. */
onSelectTab: (tabId: string) => void;
/** Accessible label for the tab bar (`aria-label`). Defaults to `"Navigation"`. */
ariaLabel?: string;
/** `data-testid` for the header element. */
headerTestId?: string;
/** `data-testid` for the tab bar `<nav>` element. */
tabBarTestId?: string;
}
/**
* Shared layout shell for context detail pages. Renders a header row
* (back arrow, icon, name, optional status) followed by a horizontal
* tab bar with keyboard navigation and end-alignment support.
*/
export function ContextDetailShell({
icon,
name,
onNavigateBack,
statusContent,
tabs,
activeTab,
onSelectTab,
ariaLabel = "Navigation",
headerTestId,
tabBarTestId,
}: ContextDetailShellProps): JSX.Element {
const tabListRef = useRef<HTMLElement>(null);
const orderedTabs = useMemo(
() => [...tabs.filter((t) => t.align !== "end"), ...tabs.filter((t) => t.align === "end")],
[tabs],
);
const firstEndAlignedId = orderedTabs.find((t) => t.align === "end")?.id;
const handleKeyDown = useCallback(
(e: KeyboardEvent<HTMLElement>) => {
const buttons = tabListRef.current?.querySelectorAll<HTMLButtonElement>('[role="tab"]');
if (!buttons || buttons.length === 0) {
return;
}
const focusedIndex = Array.from(buttons).findIndex((b) => b === document.activeElement);
const currentIndex =
focusedIndex >= 0 ? focusedIndex : orderedTabs.findIndex((t) => t.id === activeTab);
let nextIndex = currentIndex;
if (e.key === "ArrowRight" || e.key === "j" || e.key === "J") {
e.preventDefault();
nextIndex = (currentIndex + 1) % orderedTabs.length;
} else if (e.key === "ArrowLeft" || e.key === "k" || e.key === "K") {
e.preventDefault();
nextIndex = (currentIndex - 1 + orderedTabs.length) % orderedTabs.length;
} else if (e.key === "Home") {
e.preventDefault();
nextIndex = 0;
} else if (e.key === "End") {
e.preventDefault();
nextIndex = orderedTabs.length - 1;
} else {
return;
}
onSelectTab(orderedTabs[nextIndex].id);
buttons[nextIndex]?.focus(); // eslint-disable-line @typescript-eslint/no-unnecessary-condition -- index may be out of bounds
},
[activeTab, onSelectTab, orderedTabs],
);
return (
<>
<header className={styles.header} data-testid={headerTestId}>
<button
type="button"
className={styles.backButton}
onClick={onNavigateBack}
aria-label="Back"
data-testid={headerTestId ? `${headerTestId}-back` : undefined}
>
<ArrowLeft size={18} />
</button>
<span className={styles.icon} aria-hidden="true">
{icon}
</span>
<div className={styles.info}>
<h2
className={styles.name}
data-testid={headerTestId ? `${headerTestId}-name` : undefined}
>
{name}
</h2>
{statusContent}
</div>
</header>
<nav
ref={tabListRef}
className={navStyles.nav}
role="tablist"
aria-label={ariaLabel}
aria-orientation="horizontal"
onKeyDown={handleKeyDown}
data-testid={tabBarTestId}
>
{orderedTabs.map((tab) => {
const isActive = tab.id === activeTab;
const isFirstEndAligned = tab.id === firstEndAlignedId;
return (
<Tooltip
key={tab.id}
text={tab.label}
placement="bottom"
className={isFirstEndAligned ? navStyles.tabEnd : undefined}
>
<button
role="tab"
type="button"
aria-selected={isActive}
tabIndex={isActive ? 0 : -1}
className={`${navStyles.tab} ${isActive ? navStyles.tabActive : ""}`}
onClick={() => onSelectTab(tab.id)}
data-testid={tab.testId}
aria-label={tab.label}
>
<span className={navStyles.tabIcon} aria-hidden="true">
{tab.icon}
</span>
<span className={navStyles.tabLabel}>{tab.label}</span>
</button>
</Tooltip>
);
})}
</nav>
</>
);
}
// ---------------------------------------------------------------------------
// Pre-built tab arrays and icons for the two stock contexts (Code, Agent).
// Consumers pass these to ContextDetailShell to avoid duplicating lucide
// imports or re-defining the same tab lists.
// ---------------------------------------------------------------------------
const TAB_ICON_SIZE: number = 18;
/** Icon element for the Code context header (matches the ContextNav rail icon). */
export const CODE_HEADER_ICON: JSX.Element = <Code2 size={24} />;
/** Tab definitions for the Agent detail view, with Settings right-aligned. */
export const AGENT_DETAIL_TABS: (ContextDetailTab & { id: AgentTab })[] = [
{
id: "chat",
label: "Chat",
icon: <MessageSquare size={TAB_ICON_SIZE} />,
testId: "agent-tab-chat",
},
{
id: "sessions",
label: "Sessions",
icon: <Activity size={TAB_ICON_SIZE} />,
testId: "agent-tab-sessions",
},
{
id: "schedules",
label: "Schedules",
icon: <CalendarClock size={TAB_ICON_SIZE} />,
testId: "agent-tab-schedules",
},
{
id: "settings",
label: "Settings",
icon: <Settings size={TAB_ICON_SIZE} />,
testId: "agent-tab-settings",
align: "end",
},
];
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