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* NavigationMenu Component
* Story 1.17, Task 6b, 11b & 13b: Role-adaptive navigation menu with responsive design and performance optimization
*
* Renders navigation menu items based on user role.
* Uses Material-UI components with Swiss design principles.
* Supports icon-only mode for tablet layouts.
* Wrapped with React.memo() for performance optimization (Task 13b).
*
* Items with `children` render as a dropdown (horizontal) or collapsible section (vertical).
*/
import React from 'react';
import {
Box,
Divider,
List,
ListItem,
ListItemButton,
ListItemIcon,
ListItemText,
Menu,
MenuItem,
Collapse,
Typography,
} from '@mui/material';
import { ExpandLess, ExpandMore, ArrowDropDown } from '@mui/icons-material';
import { NavLink, useLocation, useNavigate } from 'react-router-dom';
import { useTranslation } from 'react-i18next';
import {
getGroupedNavigationForRoles,
getNavigationForRoles,
isPathActive,
} from '@/config/navigationConfig';
import type { NavigationItem } from '@/config/navigationConfig';
import type { UserRole } from '@/types/auth';
interface NavigationMenuProps {
userRoles: UserRole[];
onItemClick?: () => void;
showText?: boolean;
variant?: 'horizontal' | 'vertical';
}
export const NavigationMenu = React.memo(function NavigationMenu({
userRoles,
onItemClick,
showText = true,
variant = 'horizontal',
}: NavigationMenuProps) {
const { t } = useTranslation();
const location = useLocation();
const navigate = useNavigate();
// Story 11.E.3 (cherry-pick 73d94688 / Story 9.5): when the user has more than one role,
// render each role's nav items in its own section (section header + divider). Single-role
// users see the existing flat list — no behavioural change for them.
const isMultiRole = userRoles.length > 1;
const navigationItems = isMultiRole ? [] : getNavigationForRoles(userRoles);
const groupedNav = isMultiRole ? getGroupedNavigationForRoles(userRoles) : [];
// Horizontal: track which group's popover menu is open
const [menuAnchor, setMenuAnchor] = React.useState<HTMLElement | null>(null);
const [openGroupPath, setOpenGroupPath] = React.useState<string | null>(null);
// Vertical: track which groups are expanded
const [expandedPaths, setExpandedPaths] = React.useState<Set<string>>(new Set());
const handleGroupClick = (event: React.MouseEvent<HTMLElement>, path: string) => {
if (variant === 'horizontal') {
setMenuAnchor(event.currentTarget);
setOpenGroupPath(path);
} else E{
setExpandedPaths((prev) => {
const next = new Set(prev);
if (next.has(path)) {
next.delete(path);
} else {
next.add(path);
}
return next;
});
}
};
const handleMenuClose = () => {
setMenuAnchor(null);
setOpenGroupPath(null);
};
const handleChildClick = (path: string) => {
handleMenuClose();
navigate(path);
onItemClick?.();
};
/** True if any child of this group is the active route */
const isGroupActive = (item: NavigationItem) =>
item.children?.some((child) => isPathActive(child.path, location.pathname)) ?? false;
const itemSx = {
borderRadius: 1,
minWidth: showText ? 'auto' : '48px',
justifyContent: showText ? 'flex-start' : 'center',
px: showText ? 2 : 1,
mb: variant === 'vertical' ? 0.5 : 0,
'&.Mui-selected': {
backgroundColor: 'primary.main',
color: 'primary.contrastText',
'&:hover': { backgroundColor: 'primary.dark' },
'& .MuiListItemIcon-root': { color: 'primary.contrastText' },
},
'&:hover': { backgroundColor: 'action.hover' },
};
const renderItem = (item: NavigationItem) => {
const Icon = item.icon;
// ── Grouped item (has children) ──────────────────────────────────
if (item.children && item.children.length > 0) {
const groupActive = isGroupActive(item);
const isOpen =
variant === 'horizontal' ? openGroupPath === item.path : expandedPaths.has(item.path);
return (
<React.Fragment key={item.path}>
<ListItem disablePadding>
<ListItemButton
selected={groupActive}
onClick={(e) => handleGroupClick(e, item.path)}
data-testid={`nav-group-${item.path.split('/').filter(Boolean).join('-')}`}
aria-haspopup={variant === 'horizontal' ? 'true' : undefined}
aria-expanded={isOpen}
sx={itemSx}
>
<ListItemIcon sx={{ minWidth: showText ? 40 : 'auto', color: 'inherit' }}>
<Icon />
</ListItemIcon>
{showText && (
<ListItemText
primary={t(item.labelKey)}
primaryTypographyProps={{
variant: 'body2',
sx: { fontWeight: groupActive ? 600 : 400 },
}}
/>
)}
{showText &&
(variant === 'horizontal' ? (
<ArrowDropDown sx={{ ml: 0.5, fontSize: 20 }} />
) : isOpen ? (
<ExpandLess />
) : (
<ExpandMore />
))}
</ListItemButton>
</ListItem>
{/* Horizontal: popover Menu */}
{variant === 'horizontal' && (
<Menu
anchorEl={menuAnchor}
open={openGroupPath === item.path}
onClose={handleMenuClose}
anchorOrigin={{ vertical: 'bottom', horizontal: 'left' }}
transformOrigin={{ vertical: 'top', horizontal: 'left' }}
>
{item.children.map((child) => {
const ChildIcon = child.icon;
const childActive = isPathActive(child.path, location.pathname);
return (
<MenuItem
key={child.path}
selected={childActive}
onClick={() => handleChildClick(child.path)}
data-testid={`nav-${child.path.split('/').filter(Boolean).join('-')}`}
sx={{ gap: 1.5 }}
>
<ChildIcon fontSize="small" sx={{ color: 'text.secondary' }} />
{t(child.labelKey)}
</MenuItem>
);
})}
</Menu>
)}
{/* Vertical: inline Collapse */}
{variant === 'vertical' && (
<Collapse in={isOpen} unmountOnExit>
<List disablePadding>
{item.children.map((child) => {
const ChildIcon = child.icon;
const childActive = isPathActive(child.path, location.pathname);
return (
<ListItem key={child.path} disablePadding>
<ListItemButton
component={NavLink}
to={child.path}
selected={childActive}
onClick={onItemClick}
data-testid={`nav-${child.path.split('/').filter(Boolean).join('-')}`}
sx={{ ...itemSx, pl: 4 }}
>
<ListItemIcon sx={{ minWidth: 40, color: 'inherit' }}>
<ChildIcon />
</ListItemIcon>
<ListItemText
primary={t(child.labelKey)}
primaryTypographyProps={{
variant: 'body2',
sx: { fontWeight: childActive ? 600 : 400 },
}}
/>
</ListItemButton>
</ListItem>
);
})}
</List>
</Collapse>
)}
</React.Fragment>
);
}
// ── Leaf item (no children) ──────────────────────────────────────
const active = isPathActive(item.path, location.pathname);
return (
<ListItem key={item.path} disablePadding>
<ListItemButton
component={NavLink}
to={item.path}
selected={active}
onClick={onItemClick}
data-testid={`nav-${item.path.split('/').filter(Boolean).join('-')}`}
sx={itemSx}
>
<ListItemIcon sx={{ minWidth: showText ? 40 : 'auto', color: 'inherit' }}>
<Icon />
</ListItemIcon>
{showText && (
<ListItemText
primary={t(item.labelKey)}
primaryTypographyProps={{
variant: 'body2',
sx: { fontWeight: active ? 600 : 400 },
}}
/>
)}
</ListItemButton>
</ListItem>
);
};
// Story 11.E.3 / Story 9.5: multi-role users see each role's items in a labelled section
// with a divider between groups. Section headers render only when text is visible (showText),
// so the icon-only tablet layout stays compact.
if (isMultiRole) {
return (
<nav aria-label={t('navigation.mainNav')} data-testid="navigation-menu-grouped">
<Box
sx={{
display: 'flex',
flexDirection: variant === 'horizontal' ? 'row' : 'column',
alignItems: variant === 'horizontal' ? 'center' : 'stretch',
gap: variant === 'horizontal' ? 1 : 0,
}}
>
{groupedNav.map((group, idx) => (
<React.Fragment key={group.role}>
{idx > 0 && (
<Divider
orientation={variant === 'horizontal' ? 'vertical' : 'horizontal'}
flexItem
sx={{ my: variant === 'vertical' ? 1 : 0, mx: variant === 'horizontal' ? 1 : 0 }}
data-testid={`nav-section-divider-${group.role}`}
/>
)}
{showText && variant === 'vertical' && (
<Typography
variant="overline"
color="text.secondary"
sx={{ px: 2, pt: 1, display: 'block' }}
data-testid={`nav-section-header-${group.role}`}
>
{t(group.labelKey)}
</Typography>
)}
<List
disablePadding
sx={{
display: 'flex',
flexDirection: variant === 'horizontal' ? 'row' : 'column',
gap: variant === 'horizontal' ? 1 : 0,
}}
data-testid={`nav-section-${group.role}`}
aria-label={t(group.labelKey)}
>
{group.items.map(renderItem)}
</List>
</React.Fragment>
))}
</Box>
</nav>
);
}
return (
<nav aria-label={t('navigation.mainNav')}>
<List
sx={{
display: 'flex',
flexDirection: variant === 'horizontal' ? 'row' : 'column',
gap: variant === 'horizontal' ? 1 : 0,
p: 0,
}}
>
{navigationItems.map(renderItem)}
</List>
</nav>
);
});
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