From 8db3bead13441a5882d8689dfc6a9f09c82375d9 Mon Sep 17 00:00:00 2001
From: Maze Winther <mazewinther@gmail.com>
Date: Wed, 25 Mar 2026 16:47:22 +0100
Subject: feat: masks, properties refactor, shaders, storage migrations, and
 more

---
 legacy/components/properties/section.tsx | 262 +++++++++++++++++++++++++++++++
 1 file changed, 262 insertions(+)
 create mode 100644 legacy/components/properties/section.tsx

(limited to 'legacy/components/properties/section.tsx')

diff --git a/legacy/components/properties/section.tsx b/legacy/components/properties/section.tsx
new file mode 100644
index 00000000..5989108b
--- /dev/null
+++ b/legacy/components/properties/section.tsx
@@ -0,0 +1,262 @@
+import { createContext, useContext, useEffect, useState } from "react";
+import { cn } from "@/utils/ui";
+import { HugeiconsIcon } from "@hugeicons/react";
+import { ArrowDownIcon } from "@hugeicons/core-free-icons";
+import { Label } from "@/components/ui/label";
+import { Button } from "@/components/ui/button";
+
+const sectionExpandedCache = new Map<string, boolean>();
+const mountedSectionKeys = new Set<string>();
+
+interface SectionContext {
+	isOpen: boolean;
+	toggle: () => void;
+	collapsible: boolean;
+}
+
+const SectionCtx = createContext<SectionContext | null>(null);
+
+function useSectionContext() {
+	return useContext(SectionCtx);
+}
+
+interface SectionProps {
+	children: React.ReactNode;
+	collapsible?: boolean;
+	defaultOpen?: boolean;
+	sectionKey?: string;
+	className?: string;
+	showTopBorder?: boolean;
+	showBottomBorder?: boolean;
+}
+
+export function Section({
+	children,
+	collapsible = false,
+	defaultOpen = true,
+	sectionKey,
+	className,
+	showTopBorder = true,
+	showBottomBorder = true,
+}: SectionProps) {
+	const cached = sectionKey ? sectionExpandedCache.get(sectionKey) : undefined;
+	const [isOpen, setIsOpen] = useState(cached ?? defaultOpen);
+
+	useEffect(() => {
+		if (!sectionKey) return;
+		if (process.env.NODE_ENV !== "production" && mountedSectionKeys.has(sectionKey)) {
+			console.error(`[Section] duplicate sectionKey mounted simultaneously: "${sectionKey}"`);
+		}
+		mountedSectionKeys.add(sectionKey);
+		return () => { mountedSectionKeys.delete(sectionKey); };
+	}, [sectionKey]);
+
+	const toggle = () => {
+		const next = !isOpen;
+		setIsOpen(next);
+		if (sectionKey) sectionExpandedCache.set(sectionKey, next);
+	};
+
+	return (
+		<SectionCtx.Provider value={{ isOpen, toggle, collapsible }}>
+			<div
+				className={cn(
+					"flex flex-col",
+				showTopBorder && "border-t",
+				showBottomBorder && "last:border-b",
+					className,
+				)}
+			>
+				{children}
+			</div>
+		</SectionCtx.Provider>
+	);
+}
+
+interface SectionHeaderProps {
+	children?: React.ReactNode;
+	trailing?: React.ReactNode;
+	leading?: React.ReactNode;
+	actions?: React.ReactNode;
+	onClick?: () => void;
+	className?: string;
+}
+
+export function SectionHeader({
+	children,
+	trailing,
+	leading,
+	actions,
+	onClick,
+	className,
+}: SectionHeaderProps) {
+	const ctx = useSectionContext();
+	const isCollapsible = ctx?.collapsible ?? false;
+	const isOpen = ctx?.isOpen ?? true;
+	const isInteractive = isCollapsible || !!onClick;
+	const handleClick = isCollapsible ? ctx?.toggle : onClick;
+
+	const chevronIcon = isCollapsible ? (
+		<HugeiconsIcon
+			icon={ArrowDownIcon}
+			className={cn(
+				"size-4 shrink-0 transition-transform duration-200 ease-out",
+				isOpen ? "rotate-0 text-foreground" : "-rotate-90 text-muted-foreground",
+			)}
+		/>
+	) : null;
+
+	const headerContent = (
+		<>
+			{leading}
+			<div className="min-w-0 flex-1">{children}</div>
+			{(trailing || chevronIcon) && (
+				<div className="flex items-center">
+					{trailing}
+					{chevronIcon && (
+						<Button
+							variant="ghost"
+							size="icon"
+							aria-label={isOpen ? "Collapse section" : "Expand section"}
+							onClick={(event) => {
+								event.stopPropagation();
+								handleClick?.();
+							}}
+						>
+							{chevronIcon}
+						</Button>
+					)}
+				</div>
+			)}
+			{actions}
+		</>
+	);
+
+	if (!isInteractive) {
+		return (
+			<div className={cn("flex h-11 w-full items-center gap-2 px-3.5", className)}>
+				{headerContent}
+			</div>
+		);
+	}
+
+	return (
+		// biome-ignore lint/a11y/useSemanticElements: outer div intentionally wraps a nested <Button> (chevron), making <button> invalid HTML here
+		<div
+			role="button"
+			tabIndex={0}
+			className={cn(
+				"flex h-11 w-full cursor-pointer items-center gap-2 px-3.5",
+				className,
+			)}
+			onClick={handleClick}
+			onKeyDown={(event) => { if (event.key === "Enter" || event.key === " ") handleClick?.(); }}
+		>
+			{headerContent}
+		</div>
+	);
+}
+
+export function SectionTitle({
+	children,
+	className,
+	onClick,
+}: {
+	children: React.ReactNode;
+	className?: string;
+	onClick?: () => void;
+}) {
+	const ctx = useSectionContext();
+	const isOpen = ctx?.isOpen ?? true;
+
+	if (onClick) {
+		return (
+			<button
+				type="button"
+				className={cn(
+					"cursor-pointer text-sm font-medium",
+					isOpen ? "text-foreground" : "text-muted-foreground",
+					className,
+				)}
+				onClick={onClick}
+			>
+				{children}
+			</button>
+		);
+	}
+
+	return (
+		<span
+			className={cn(
+				"text-sm font-medium",
+				isOpen ? "text-foreground" : "text-muted-foreground",
+				className,
+			)}
+		>
+			{children}
+		</span>
+	);
+}
+
+export function SectionFields({
+	children,
+	className,
+}: {
+	children: React.ReactNode;
+	className?: string;
+}) {
+	return (
+		<div className={cn("flex flex-col gap-3.5", className)}>{children}</div>
+	);
+}
+
+export function SectionField({
+	label,
+	beforeLabel,
+	children,
+	className,
+}: {
+	label: string;
+	beforeLabel?: React.ReactNode;
+	children: React.ReactNode;
+	className?: string;
+}) {
+	return (
+		<div className={cn("flex flex-col gap-2", className)}>
+			<div className="flex h-4 items-center gap-1.5">
+				{beforeLabel}
+				<Label>{label}</Label>
+			</div>
+			{children}
+		</div>
+	);
+}
+
+export function SectionContent({
+	children,
+	className,
+}: {
+	children: React.ReactNode;
+	className?: string;
+}) {
+	const ctx = useSectionContext();
+	const isCollapsible = ctx?.collapsible ?? false;
+	const isOpen = ctx?.isOpen ?? true;
+
+	if (isCollapsible) {
+		return (
+			<div
+				className={cn(
+					"grid transition-[grid-template-rows] duration-100 ease-out",
+					isOpen ? "grid-rows-[1fr]" : "grid-rows-[0fr]",
+				)}
+			>
+				<div className="overflow-hidden">
+					<div className={cn("p-4 pt-0", className)}>{children}</div>
+				</div>
+			</div>
+		);
+	}
+
+	return <div className={cn("p-4 pt-0", className)}>{children}</div>;
+}
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