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Халимов Рустам
259
components/PreviewStep.tsx
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259
components/PreviewStep.tsx
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import React, { useMemo, Suspense, useEffect, useRef, useState } from 'react';
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import { Canvas } from '@react-three/fiber';
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import { OrbitControls, Center, Environment } from '@react-three/drei';
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import * as THREE from 'three';
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import JSZip from 'jszip';
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import { AppConfig, GeneratedPart } from '../types';
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import { createBinGeometry, exportSTL, generateSTL } from '../services/geometryGenerator';
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import { Download, Package, Info, Loader2 } from 'lucide-react';
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// --- 3D Helper Components ---
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// Каркас ящика (только ребра, без диагоналей)
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const DrawerFrame = ({ config }: { config: AppConfig }) => {
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const { width, depth, height } = config.drawer;
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const offset = 0.5; // Небольшой отступ наружу
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return (
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<group position={[width / 2, height / 2, depth / 2]}>
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<lineSegments>
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<edgesGeometry args={[new THREE.BoxGeometry(width + offset, height + offset, depth + offset)]} />
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<lineBasicMaterial color="#475569" />
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</lineSegments>
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</group>
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)
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}
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// --- Bin Component ---
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interface BinMeshProps {
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part: GeneratedPart;
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thickness: number;
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isSelected: boolean;
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onClick: () => void;
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}
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const BinMesh: React.FC<BinMeshProps> = ({ part, thickness, isSelected, onClick }) => {
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// REMOVED ARTIFICIAL GAP: The part dimensions now include the printer tolerance physically.
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// The gap will be visible naturally because part.width is smaller than grid size.
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// Генерируем реальную геометрию, как для STL
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const geometry = useMemo(() => {
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return createBinGeometry(part.width, part.depth, part.height, thickness);
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}, [part, thickness]);
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return (
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<group position={[part.x + part.width/2, 0, part.y + part.depth/2]}>
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{/* Основной меш ячейки */}
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<mesh
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geometry={geometry}
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onClick={(e) => { e.stopPropagation(); onClick(); }}
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>
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<meshStandardMaterial
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color={isSelected ? '#f59e0b' : part.color}
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roughness={0.5}
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metalness={0.1}
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/>
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</mesh>
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{/* Подсветка выделения (Bounding Box) */}
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{isSelected && (
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<lineSegments position={[0, part.height/2, 0]}>
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<edgesGeometry args={[new THREE.BoxGeometry(part.width, part.height, part.depth)]} />
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<lineBasicMaterial color="white" linewidth={2} />
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</lineSegments>
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)}
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</group>
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);
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};
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interface Props {
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parts: GeneratedPart[];
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config: AppConfig;
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}
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export const PreviewStep: React.FC<Props> = ({ parts, config }) => {
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const [selectedId, setSelectedId] = useState<string | null>(null);
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const [isZipping, setIsZipping] = useState(false);
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const itemRefs = useRef<{ [key: string]: HTMLDivElement | null }>({});
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// Автопрокрутка к выбранному элементу
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useEffect(() => {
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if (selectedId && itemRefs.current[selectedId]) {
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itemRefs.current[selectedId]?.scrollIntoView({
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behavior: 'smooth',
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block: 'center'
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});
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}
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}, [selectedId]);
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const handleDownload = (part: GeneratedPart) => {
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const geometry = createBinGeometry(part.width, part.depth, part.height, config.wallThickness);
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const mesh = new THREE.Mesh(geometry, new THREE.MeshStandardMaterial());
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exportSTL(mesh, `${part.name.replace(/\s+/g, '_')}.stl`);
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};
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const handleDownloadAll = async () => {
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if (isZipping) return;
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setIsZipping(true);
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try {
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console.log("Starting ZIP generation...");
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// Ensure JSZip is available
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if (typeof JSZip === 'undefined' && !JSZip) {
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throw new Error("Библиотека JSZip не загружена.");
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}
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const zip = new JSZip();
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// Генерация STL для каждой части и добавление в архив
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parts.forEach(part => {
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const geometry = createBinGeometry(part.width, part.depth, part.height, config.wallThickness);
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const mesh = new THREE.Mesh(geometry, new THREE.MeshStandardMaterial());
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const stlData = generateSTL(mesh);
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// stlData is Uint8Array or string here, which is supported
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zip.file(`${part.name.replace(/\s+/g, '_')}.stl`, stlData);
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});
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console.log("Files added to ZIP. Generating blob...");
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// Генерация самого ZIP файла
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const content = await zip.generateAsync({ type: "blob" });
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console.log("ZIP blob generated. Size:", content.size);
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// Скачивание
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const link = document.createElement('a');
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link.href = URL.createObjectURL(content);
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link.download = "PrintFit_Project.zip";
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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} catch (e: any) {
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console.error("Failed to create zip archive", e);
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alert(`Ошибка при создании архива: ${e.message || 'Неизвестная ошибка'}`);
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} finally {
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setIsZipping(false);
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}
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};
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return (
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<div className="flex flex-col lg:flex-row h-full gap-6">
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{/* 3D Viewer */}
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<div className="flex-1 bg-slate-900 rounded-xl overflow-hidden shadow-2xl border border-slate-800 relative min-h-[400px]">
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<div className="absolute top-4 right-4 z-10 bg-black/60 p-3 rounded-lg text-xs text-gray-300 backdrop-blur pointer-events-none border border-slate-700">
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<div className="flex items-center gap-2 mb-1 text-primary font-bold">
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<Info size={14} /> Управление
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</div>
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<ul className="space-y-1">
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<li>• ЛКМ: Вращение</li>
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<li>• ПКМ: Перемещение</li>
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<li>• Скролл: Масштаб</li>
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<li className="text-accent mt-2 font-semibold">• Клик по детали для выбора</li>
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</ul>
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</div>
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<Canvas
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shadows
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dpr={[1, 2]}
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camera={{
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position: [config.drawer.width * 1.5, config.drawer.height * 3, config.drawer.depth * 1.5],
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fov: 45,
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near: 1,
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far: 20000
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}}
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>
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<Suspense fallback={null}>
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<color attach="background" args={['#0f172a']} />
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<ambientLight intensity={0.7} />
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<directionalLight position={[100, 200, 50]} intensity={1.2} />
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<directionalLight position={[-100, 100, -50]} intensity={0.5} />
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<Environment preset="city" />
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<Center>
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<group>
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<DrawerFrame config={config} />
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{parts.map(part => (
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<BinMesh
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key={part.id}
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part={part}
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thickness={config.wallThickness}
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isSelected={selectedId === part.id}
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onClick={() => setSelectedId(part.id)}
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/>
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))}
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</group>
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</Center>
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<OrbitControls makeDefault minDistance={10} maxDistance={10000} />
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</Suspense>
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</Canvas>
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</div>
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{/* Sidebar List */}
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<div className="w-full lg:w-96 bg-slate-900 p-6 rounded-xl border border-slate-800 flex flex-col h-full shadow-xl">
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<div className="flex justify-between items-center mb-6 shrink-0">
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<h2 className="text-xl font-bold flex items-center gap-2 text-primary">
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<Package size={24} /> Детали ({parts.length})
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</h2>
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<button
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onClick={handleDownloadAll}
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disabled={isZipping || parts.length === 0}
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className={`bg-green-600 hover:bg-green-700 text-white px-3 py-1.5 rounded-md text-sm font-medium flex items-center gap-1 transition-all active:scale-95 disabled:opacity-50 disabled:scale-100 disabled:cursor-not-allowed`}
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>
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{isZipping ? (
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<>
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<Loader2 size={16} className="animate-spin" /> ZIP...
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</>
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) : (
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<>
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<Download size={16} /> Скачать все
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</>
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)}
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</button>
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</div>
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<div className="flex-1 overflow-y-auto pr-2 space-y-3 custom-scrollbar">
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{parts.map(part => (
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<div
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key={part.id}
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ref={(el) => { itemRefs.current[part.id] = el }}
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className={`p-4 rounded-lg border transition-all cursor-pointer group ${selectedId === part.id ? 'bg-slate-800 border-accent shadow-md shadow-accent/10 ring-1 ring-accent' : 'bg-slate-800/50 border-slate-700 hover:border-slate-500 hover:bg-slate-800'}`}
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onClick={() => setSelectedId(part.id)}
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>
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<div className="flex justify-between items-start mb-2">
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<span className="font-semibold text-gray-200 group-hover:text-white transition-colors">{part.name}</span>
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<div
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className="w-3 h-3 rounded-full border border-white/10"
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style={{ backgroundColor: part.color }}
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/>
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</div>
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<div className="grid grid-cols-3 gap-2 text-xs text-gray-400 mb-3">
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<div className="bg-slate-900/50 p-1.5 rounded">
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<span className="block text-gray-500 uppercase text-[9px] mb-0.5">Ширина</span>
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{part.width.toFixed(1)}
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</div>
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<div className="bg-slate-900/50 p-1.5 rounded">
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<span className="block text-gray-500 uppercase text-[9px] mb-0.5">Глубина</span>
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{part.depth.toFixed(1)}
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</div>
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<div className="bg-slate-900/50 p-1.5 rounded">
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<span className="block text-gray-500 uppercase text-[9px] mb-0.5">Высота</span>
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{part.height.toFixed(1)}
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</div>
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</div>
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<button
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onClick={(e) => { e.stopPropagation(); handleDownload(part); }}
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className="w-full py-2 bg-slate-700 hover:bg-primary hover:text-white text-gray-300 rounded text-xs flex items-center justify-center gap-2 transition-colors font-medium"
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>
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<Download size={14} /> Скачать STL
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</button>
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</div>
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))}
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</div>
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</div>
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</div>
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);
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};
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