Files
zui/frontend/src/app/recollections/logos/LogosSidebar.tsx
2026-03-16 16:33:11 +01:00

481 lines
16 KiB
TypeScript

/**
* Logos sidebar: one-level page/subpage hierarchy. Create, rename, delete, reorder.
*/
import React, { useCallback, useEffect, useRef, useState } from 'react'
import {
DropdownMenu,
DropdownMenuContent,
DropdownMenuItem,
DropdownMenuSeparator,
DropdownMenuTrigger,
} from '@/components/ui/dropdown-menu'
import { Button } from '@/components/ui/button'
import {
Dialog,
DialogContent,
DialogFooter,
DialogHeader,
DialogTitle,
} from '@/components/ui/dialog'
import {
ChevronDown,
ChevronRight,
FileText,
MoreHorizontal,
Pencil,
Plus,
Trash2,
ArrowUp,
ArrowDown,
} from 'lucide-react'
import type { LogosPageId, LogosPageMeta } from '../state/recollectionStore'
import { cn } from '@/lib/utils'
const DEFAULT_PAGE_TITLE = 'Untitled'
function generatePageId(): LogosPageId {
return `page-${Date.now()}-${Math.random().toString(36).slice(2, 9)}`
}
function sortByPosition(a: LogosPageMeta, b: LogosPageMeta) {
return a.position - b.position
}
export type LogosSidebarProps = {
recollectionId: string
tree: LogosPageMeta[]
onTreeChange: (tree: LogosPageMeta[]) => void
activePageId: LogosPageId | null
onSelectPage: (id: LogosPageId) => void
onDeletePage?: (pageId: LogosPageId) => void
}
export function LogosSidebar({
recollectionId,
tree,
onTreeChange,
activePageId,
onSelectPage,
onDeletePage,
}: LogosSidebarProps) {
const [expandedPages, setExpandedPages] = useState<Set<LogosPageId>>(new Set())
const expandedInitializedRef = useRef(false)
const [editingId, setEditingId] = useState<LogosPageId | null>(null)
const [editTitle, setEditTitle] = useState('')
const [deleteTarget, setDeleteTarget] = useState<LogosPageMeta | null>(null)
const pages = tree.filter((p) => p.parentId === null).sort(sortByPosition)
// Default: expand parent pages that have subpages so children are visible on first load.
useEffect(() => {
if (tree.length === 0 || expandedInitializedRef.current) return
expandedInitializedRef.current = true
const parentIdsWithChildren = tree
.filter((p) => p.parentId === null && tree.some((s) => s.parentId === p.id))
.map((p) => p.id)
if (parentIdsWithChildren.length > 0) {
setExpandedPages((prev) => {
const next = new Set(prev)
parentIdsWithChildren.forEach((id) => next.add(id))
return next
})
}
}, [tree])
const toggleExpanded = useCallback((id: LogosPageId) => {
setExpandedPages((prev) => {
const next = new Set(prev)
if (next.has(id)) next.delete(id)
else next.add(id)
return next
})
}, [])
const updatePage = useCallback(
(id: LogosPageId, patch: Partial<Pick<LogosPageMeta, 'title' | 'position'>>) => {
const next = tree.map((p) => (p.id === id ? { ...p, ...patch } : p))
onTreeChange(next)
},
[tree, onTreeChange]
)
const addPage = useCallback(() => {
const maxPos = Math.max(0, ...pages.map((p) => p.position), -1)
const newPage: LogosPageMeta = {
id: generatePageId(),
title: DEFAULT_PAGE_TITLE,
parentId: null,
position: maxPos + 1,
}
onTreeChange([...tree, newPage])
setEditingId(newPage.id)
setEditTitle(newPage.title)
onSelectPage(newPage.id)
}, [tree, pages, onTreeChange, onSelectPage])
const addSubpage = useCallback(
(parentId: LogosPageId) => {
const siblings = tree.filter((p) => p.parentId === parentId).sort(sortByPosition)
const maxPos = siblings.length === 0 ? 0 : Math.max(...siblings.map((p) => p.position)) + 1
const newPage: LogosPageMeta = {
id: generatePageId(),
title: DEFAULT_PAGE_TITLE,
parentId,
position: maxPos,
}
onTreeChange([...tree, newPage])
setExpandedPages((prev) => new Set(prev).add(parentId))
setEditingId(newPage.id)
setEditTitle(newPage.title)
onSelectPage(newPage.id)
},
[tree, onTreeChange, onSelectPage]
)
const startRename = useCallback((page: LogosPageMeta) => {
setEditingId(page.id)
setEditTitle(page.title)
}, [])
const commitRename = useCallback(() => {
if (editingId && editTitle.trim()) {
updatePage(editingId, { title: editTitle.trim() })
}
setEditingId(null)
setEditTitle('')
}, [editingId, editTitle, updatePage])
const movePage = useCallback(
(id: LogosPageId, delta: number) => {
const page = tree.find((p) => p.id === id)
if (!page) return
const siblings = tree
.filter((p) => p.parentId === page.parentId)
.sort(sortByPosition)
const idx = siblings.findIndex((p) => p.id === id)
if (idx < 0) return
const newIdx = Math.max(0, Math.min(siblings.length - 1, idx + delta))
if (newIdx === idx) return
const reordered = siblings.slice()
const [removed] = reordered.splice(idx, 1)
reordered.splice(newIdx, 0, removed)
const withNewPositions = tree.map((p) => {
const i = reordered.findIndex((r) => r.id === p.id)
return i >= 0 ? { ...p, position: i } : p
})
onTreeChange(withNewPositions)
},
[tree, onTreeChange]
)
const removePage = useCallback(
(page: LogosPageMeta) => {
const toRemove = [page.id, ...tree.filter((p) => p.parentId === page.id).map((p) => p.id)]
onTreeChange(tree.filter((p) => !toRemove.includes(p.id)))
toRemove.forEach((id) => onDeletePage?.(id))
if (activePageId && toRemove.includes(activePageId)) {
const remaining = tree.filter((p) => !toRemove.includes(p.id)).sort(sortByPosition)
const first = remaining[0]
if (first) onSelectPage(first.id)
}
setDeleteTarget(null)
},
[tree, activePageId, onTreeChange, onDeletePage, onSelectPage]
)
const subpages = (parentId: LogosPageId) =>
tree.filter((p) => p.parentId === parentId).sort(sortByPosition)
const isPage = (p: LogosPageMeta) => p.parentId === null
return (
<div className="flex h-full w-64 shrink-0 flex-col border-r border-border bg-muted/30">
<div className="flex shrink-0 items-center justify-between border-b border-border/60 px-2 py-2">
<span className="text-xs font-medium uppercase tracking-wide text-muted-foreground">
Pages
</span>
<Button
type="button"
variant="ghost"
size="sm"
className="h-7 gap-1 px-2 text-xs"
onClick={addPage}
>
<Plus className="size-3.5" />
New page
</Button>
</div>
<div className="flex-1 overflow-y-auto py-1">
{pages.length === 0 ? (
<div className="px-3 py-4 text-center text-xs text-muted-foreground">
No pages yet.
<br />
<Button
type="button"
variant="link"
className="h-auto p-0 text-xs"
onClick={addPage}
>
Create your first page
</Button>
</div>
) : (
<ul className="flex flex-col gap-0.5 px-1">
{pages.map((page) => {
const subs = subpages(page.id)
const expanded = expandedPages.has(page.id)
const isActive = activePageId === page.id
return (
<li key={page.id} className="flex flex-col gap-0.5">
<PageRow
page={page}
isSubpage={false}
isActive={isActive}
isEditing={editingId === page.id}
editTitle={editTitle}
onEditTitleChange={setEditTitle}
onCommitRename={commitRename}
onStartRename={() => startRename(page)}
onSelect={() => onSelectPage(page.id)}
onExpandToggle={() => toggleExpanded(page.id)}
expanded={expanded}
hasSubpages={subs.length > 0}
onAddSubpage={() => addSubpage(page.id)}
onMoveUp={() => movePage(page.id, -1)}
onMoveDown={() => movePage(page.id, 1)}
onDelete={() => setDeleteTarget(page)}
canMoveUp={pages.indexOf(page) > 0}
canMoveDown={pages.indexOf(page) < pages.length - 1}
/>
{expanded && (
<ul className="ml-3 flex flex-col gap-0.5 border-l border-border/60 pl-2">
{subs.map((sub, i) => {
const subActive = activePageId === sub.id
const subEditing = editingId === sub.id
return (
<li key={sub.id}>
<PageRow
page={sub}
isSubpage
isActive={subActive}
isEditing={subEditing}
editTitle={editTitle}
onEditTitleChange={setEditTitle}
onCommitRename={commitRename}
onStartRename={() => startRename(sub)}
onSelect={() => onSelectPage(sub.id)}
onAddSubpage={undefined}
onMoveUp={() => movePage(sub.id, -1)}
onMoveDown={() => movePage(sub.id, 1)}
onDelete={() => setDeleteTarget(sub)}
canMoveUp={i > 0}
canMoveDown={i < subs.length - 1}
/>
</li>
)
})}
</ul>
)}
</li>
)
})}
</ul>
)}
</div>
<Dialog open={!!deleteTarget} onOpenChange={(open) => !open && setDeleteTarget(null)}>
<DialogContent className="sm:max-w-md">
<DialogHeader>
<DialogTitle>
{deleteTarget && isPage(deleteTarget)
? 'Delete page and subpages?'
: 'Delete subpage?'}
</DialogTitle>
</DialogHeader>
{deleteTarget && (
<p className="text-sm text-muted-foreground">
{isPage(deleteTarget) && subpages(deleteTarget.id).length > 0 ? (
<>
&quot;{deleteTarget.title}&quot; and its {subpages(deleteTarget.id).length}{' '}
subpage(s) will be permanently removed.
</>
) : (
<> &quot;{deleteTarget.title}&quot; will be permanently removed.</>
)}
</p>
)}
<DialogFooter className="gap-2 sm:gap-0">
<Button type="button" variant="outline" onClick={() => setDeleteTarget(null)}>
Cancel
</Button>
<Button
type="button"
variant="destructive"
onClick={() => deleteTarget && removePage(deleteTarget)}
>
Delete
</Button>
</DialogFooter>
</DialogContent>
</Dialog>
</div>
)
}
type PageRowProps = {
page: LogosPageMeta
isSubpage: boolean
isActive: boolean
isEditing: boolean
editTitle: string
onEditTitleChange: (v: string) => void
onCommitRename: () => void
onStartRename: () => void
onSelect: () => void
onExpandToggle?: () => void
expanded?: boolean
hasSubpages?: boolean
onAddSubpage?: () => void
onMoveUp: () => void
onMoveDown: () => void
onDelete: () => void
canMoveUp: boolean
canMoveDown: boolean
}
function PageRow({
page,
isSubpage,
isActive,
isEditing,
editTitle,
onEditTitleChange,
onCommitRename,
onStartRename,
onSelect,
onExpandToggle,
expanded,
hasSubpages,
onAddSubpage,
onMoveUp,
onMoveDown,
onDelete,
canMoveUp,
canMoveDown,
}: PageRowProps) {
const isParentRow = onExpandToggle != null
const handleKeyDown = (e: React.KeyboardEvent) => {
if (e.key === 'Enter') onCommitRename()
if (e.key === 'Escape') {
onEditTitleChange(page.title)
onCommitRename()
}
}
return (
<div
className={cn(
'group flex items-center gap-0.5 rounded-md pr-1',
isActive && 'bg-accent text-accent-foreground'
)}
>
{isParentRow ? (
// VSCode-like "twisty gutter" so labels align nicely.
<span className="flex h-8 w-4 shrink-0 items-center justify-center">
{hasSubpages ? (
<button
type="button"
className="flex size-4 items-center justify-center rounded text-muted-foreground hover:bg-accent hover:text-foreground focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-1"
onClick={(e) => {
e.stopPropagation()
e.preventDefault()
onExpandToggle?.()
}}
aria-expanded={expanded}
aria-label={expanded ? 'Collapse subpages' : 'Expand subpages'}
>
{expanded ? (
<ChevronDown className="size-3.5 shrink-0" />
) : (
<ChevronRight className="size-3.5 shrink-0" />
)}
</button>
) : (
<span className="inline-block size-4" aria-hidden />
)}
</span>
) : isSubpage ? (
<span className="flex h-8 w-4 shrink-0 items-center justify-center">
<span className="inline-block size-4" aria-hidden />
</span>
) : null}
{isSubpage && <span className="w-2 shrink-0" />}
{isEditing ? (
<input
type="text"
className="h-7 min-w-0 flex-1 rounded border border-input bg-background px-2 text-sm focus:outline-none focus:ring-2 focus:ring-ring"
value={editTitle}
onChange={(e) => onEditTitleChange(e.target.value)}
onBlur={onCommitRename}
onKeyDown={handleKeyDown}
autoFocus
aria-label="Page title"
/>
) : (
<button
type="button"
className="flex min-w-0 flex-1 items-center gap-1.5 rounded px-1.5 py-1.5 text-left text-sm hover:bg-accent/80"
onClick={onSelect}
>
<FileText className="size-3.5 shrink-0 text-muted-foreground" />
<span className="truncate">{page.title || DEFAULT_PAGE_TITLE}</span>
</button>
)}
{!isEditing && (
<DropdownMenu>
<DropdownMenuTrigger asChild>
<Button
type="button"
variant="ghost"
size="icon"
className="h-6 w-6 shrink-0 opacity-0 group-hover:opacity-100"
onClick={(e) => e.stopPropagation()}
>
<MoreHorizontal className="size-3.5" />
<span className="sr-only">Actions</span>
</Button>
</DropdownMenuTrigger>
<DropdownMenuContent align="end" className="w-48" onClick={(e) => e.stopPropagation()}>
<DropdownMenuItem onClick={() => { onStartRename(); onSelect(); }}>
<Pencil className="mr-2 size-3.5" />
Rename
</DropdownMenuItem>
{onAddSubpage != null && (
<DropdownMenuItem onClick={onAddSubpage}>
<Plus className="mr-2 size-3.5" />
New subpage
</DropdownMenuItem>
)}
<DropdownMenuSeparator />
<DropdownMenuItem onClick={onMoveUp} disabled={!canMoveUp}>
<ArrowUp className="mr-2 size-3.5" />
Move up
</DropdownMenuItem>
<DropdownMenuItem onClick={onMoveDown} disabled={!canMoveDown}>
<ArrowDown className="mr-2 size-3.5" />
Move down
</DropdownMenuItem>
<DropdownMenuSeparator />
<DropdownMenuItem onClick={onDelete} className="text-destructive focus:text-destructive">
<Trash2 className="mr-2 size-3.5" />
Delete
</DropdownMenuItem>
</DropdownMenuContent>
</DropdownMenu>
)}
</div>
)
}