Files
tono/frontend/src/ContextMenu.tsx
2026-04-02 22:58:10 -07:00

301 lines
10 KiB
TypeScript

import React, { useState, useCallback, useEffect, useRef, useMemo } from 'react';
import { socketSpecAcceptsType } from './constants';
import { outputTypeCanConnectToTarget } from './connectionUtils';
import { compareMenuNodes, compareMenuCategories } from './canvasEvents';
export default function ContextMenu({
x,
y,
nodeDefs,
onAdd,
onClose,
filterType,
filterSpec = null,
filterDirection,
selectedNodeCount = 0,
onCreateGroup = null,
}: {
x: number;
y: number;
nodeDefs: Record<string, any>;
onAdd: (className: string, def: any) => void;
onClose: () => void;
filterType?: string | null;
filterSpec?: any;
filterDirection?: string | null;
selectedNodeCount?: number;
onCreateGroup?: (() => void) | null;
}) {
const [openCat, setOpenCat] = useState<string | null>(null);
const [search, setSearch] = useState('');
const [selectedIndex, setSelectedIndex] = useState(0);
const menuRef = useRef<HTMLDivElement | null>(null);
const [menuPos, setMenuPos] = useState({ x, y });
const subMenuRef = useRef<HTMLDivElement | null>(null);
const [subPos, setSubPos] = useState({ x: 0, y: 0 });
const catRowRefs = useRef<Record<string, HTMLDivElement | null>>({});
const selectedItemRef = useRef<HTMLDivElement | null>(null);
// Group by category, optionally filtering to compatible nodes
const categories = useMemo(() => {
const cats: Record<string, any> = {};
for (const [className, def] of Object.entries(nodeDefs) as [string, any][]) {
if (filterType && filterDirection) {
if (filterDirection === 'source') {
const req = def.input.required || {};
const opt = def.input.optional || {};
const allInputs = { ...req, ...opt };
const hasMatch = Object.values(allInputs).some((spec: any) => {
return socketSpecAcceptsType(filterType, spec);
});
if (!hasMatch) continue;
} else {
const hasMatch = def.output.some((type: string, idx: number) =>
outputTypeCanConnectToTarget(type, filterSpec || filterType, def.output_accepted_types?.[idx] || [])
);
if (!hasMatch) continue;
}
}
const menuCategories = Array.isArray(def.menu_categories) && def.menu_categories.length > 0
? def.menu_categories
: [{
category: def.category || 'uncategorized',
category_order: def.category_order,
menu_order: def.menu_order,
}];
for (const menuCategory of menuCategories) {
const cat = menuCategory?.category || def.category || 'uncategorized';
if (!cats[cat]) {
cats[cat] = {
name: cat,
order: Number.isFinite(menuCategory?.category_order)
? menuCategory.category_order
: Number.MAX_SAFE_INTEGER,
items: [],
};
}
cats[cat].order = Math.min(
cats[cat].order,
Number.isFinite(menuCategory?.category_order)
? menuCategory.category_order
: Number.MAX_SAFE_INTEGER,
);
cats[cat].items.push({
className,
def,
menu_order: Number.isFinite(menuCategory?.menu_order) ? menuCategory.menu_order : def.menu_order,
});
}
}
return Object.values(cats)
.map((category: any) => ({
...category,
items: [...category.items].sort(compareMenuNodes),
}))
.sort(compareMenuCategories);
}, [nodeDefs, filterDirection, filterSpec, filterType]);
// Flat filtered list for search
const searchResults = useMemo(() => {
if (!search.trim()) return null;
const q = search.toLowerCase();
const results: { className: string; def: any }[] = [];
const seen = new Set();
for (const category of categories) {
for (const { className, def } of category.items) {
if (seen.has(className)) continue;
const name = (def.display_name || className).toLowerCase();
if (name.includes(q)) {
results.push({ className, def });
seen.add(className);
}
}
}
return results;
}, [search, categories]);
// Reset selection to top whenever results change
useEffect(() => {
setSelectedIndex(0);
}, [searchResults]);
// Scroll selected item into view
useEffect(() => {
selectedItemRef.current?.scrollIntoView({ block: 'nearest' });
}, [selectedIndex]);
const handleSearchKeyDown = useCallback((e: React.KeyboardEvent) => {
if (!searchResults || searchResults.length === 0) return;
if (e.key === 'ArrowDown') {
e.preventDefault();
setSelectedIndex((i) => Math.min(i + 1, searchResults.length - 1));
} else if (e.key === 'ArrowUp') {
e.preventDefault();
setSelectedIndex((i) => Math.max(i - 1, 0));
} else if (e.key === 'Enter') {
e.preventDefault();
const item = searchResults[selectedIndex];
if (item) { onAdd(item.className, item.def); onClose(); }
}
}, [searchResults, selectedIndex, onAdd, onClose]);
// Clamp main menu position to viewport on mount
useEffect(() => {
const el = menuRef.current;
if (!el) return;
const rect = el.getBoundingClientRect();
const vw = window.innerWidth;
const vh = window.innerHeight;
let nx = x, ny = y;
if (x + rect.width > vw) nx = vw - rect.width - 8;
if (y + rect.height > vh) ny = vh - rect.height - 8;
if (nx < 4) nx = 4;
if (ny < 4) ny = 4;
setMenuPos({ x: nx, y: ny });
}, [x, y]);
// Position submenu next to the hovered category row, clamped to viewport
useEffect(() => {
if (!openCat) return;
const rowEl = catRowRefs.current[openCat];
const subEl = subMenuRef.current;
if (!rowEl || !subEl) return;
const rowRect = rowEl.getBoundingClientRect();
const menuRect = menuRef.current!.getBoundingClientRect();
const subRect = subEl.getBoundingClientRect();
const vw = window.innerWidth;
const vh = window.innerHeight;
// Horizontal: prefer right side, fall back to left
let sx = menuRect.right - 1;
if (sx + subRect.width > vw - 8) {
sx = menuRect.left - subRect.width + 1;
}
if (sx < 4) sx = 4;
// Vertical: align top with hovered row, clamp to viewport
let sy = rowRect.top;
if (sy + subRect.height > vh - 8) {
sy = vh - subRect.height - 8;
}
if (sy < 4) sy = 4;
setSubPos({ x: sx, y: sy });
}, [openCat]);
const handleCatEnter = useCallback((cat: string) => {
setOpenCat(cat);
}, []);
if (categories.length === 0) {
return (
<div className="context-menu" ref={menuRef} style={{ left: menuPos.x, top: menuPos.y }} onClick={(e) => e.stopPropagation()}>
<div className="context-item" style={{ color: 'var(--text-muted)' }}>No compatible nodes</div>
</div>
);
}
const catNames = categories.map((category) => category.name);
const categoryMap = Object.fromEntries(categories.map((category) => [category.name, category.items]));
return (
<>
<div
className="context-menu ctx-root"
ref={menuRef}
style={{ left: menuPos.x, top: menuPos.y }}
onClick={(e) => e.stopPropagation()}
onMouseLeave={(e) => {
// Close submenu only if mouse didn't move into the submenu
const related = e.relatedTarget;
if (subMenuRef.current && subMenuRef.current.contains(related as globalThis.Node | null)) return;
setOpenCat(null);
}}
>
<div className="ctx-title">Add Node</div>
<div className="ctx-search-row">
<input
className="ctx-search"
type="text"
placeholder="Search…"
value={search}
onChange={(e) => { setSearch(e.target.value); setOpenCat(null); }}
onKeyDown={handleSearchKeyDown}
autoFocus
/>
</div>
{!filterType && selectedNodeCount > 1 && typeof onCreateGroup === 'function' && (
<div
className="context-item"
onClick={() => { onCreateGroup(); onClose(); }}
>
create group
</div>
)}
{searchResults ? (
<div className="ctx-list">
{searchResults.length === 0 ? (
<div className="context-item" style={{ color: 'var(--text-muted)' }}>No matches</div>
) : (
searchResults.map(({ className, def }, idx) => (
<div
key={className}
ref={idx === selectedIndex ? selectedItemRef : null}
className={`context-item${idx === selectedIndex ? ' context-item--selected' : ''}`}
onClick={() => { onAdd(className, def); onClose(); }}
onMouseEnter={() => setSelectedIndex(idx)}
>
{def.display_name || className}
</div>
))
)}
</div>
) : (
<div className="ctx-list">
{catNames.map((cat) => (
<div
key={cat}
ref={(el) => { catRowRefs.current[cat] = el; }}
className={`ctx-cat-item${openCat === cat ? ' ctx-cat-active' : ''}`}
onMouseEnter={() => handleCatEnter(cat)}
>
<span className="ctx-cat-label">{cat}</span>
<span className="ctx-cat-arrow"></span>
</div>
))}
</div>
)}
</div>
{/* Submenu rendered as a sibling, positioned at computed screen coords */}
{openCat && categoryMap[openCat] && (
<div
className="context-menu ctx-submenu"
ref={subMenuRef}
style={{ left: subPos.x, top: subPos.y }}
onClick={(e) => e.stopPropagation()}
onMouseLeave={(e) => {
const related = e.relatedTarget;
if (menuRef.current && menuRef.current.contains(related as globalThis.Node | null)) return;
setOpenCat(null);
}}
>
{categoryMap[openCat].map(({ className, def }: { className: string; def: any }) => (
<div
key={className}
className="context-item"
onClick={() => { onAdd(className, def); onClose(); }}
>
{def.display_name || className}
</div>
))}
</div>
)}
</>
);
}