47afddfd73
- 新增 ObjectPickerOverlay 组件，支持点击图片拾取物品 - 新增 /api/pick-object API，调用 Qwen-VL 识别物品 - Canvas Store 扩展拾取模式状态管理 - ImageNode 工具栏新增拾取按钮 - CanvasChatPanel 集成物品标签，发送时自动构建精准prompt - 图片压缩至 600px 以内加速 AI 分析 - 物品名称限制 8 字，位置固定 4 字标准词库
503 lines
15 KiB
TypeScript
503 lines
15 KiB
TypeScript
import { create } from 'zustand';
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import { immer } from 'zustand/middleware/immer';
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import { devtools, persist } from 'zustand/middleware';
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import type {
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CanvasNode,
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CanvasEdge,
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CanvasState,
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Viewport,
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ToolType,
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Position,
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Size,
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NodeType,
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} from '@/types/canvas';
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// 生成唯一 ID
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const generateId = () => crypto.randomUUID();
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// 默认视口
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const defaultViewport: Viewport = {
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x: 0,
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y: 0,
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zoom: 1,
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};
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// 待添加到对话框的图片附件
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interface PendingChatAttachment {
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url: string;
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name: string;
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contentType: string;
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}
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// 🆕 拾取的物品信息
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export interface PickedObject {
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// 原图信息
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imageUrl: string;
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imageNodeId: string;
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// 点击位置（相对坐标 0-1）
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clickX: number;
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clickY: number;
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// AI 识别结果
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objectName: string; // ≤8字，格式：[颜色/材质]+[物品]
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objectPosition: string; // 固定4字，如"左上区域"
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confidence: number; // 置信度 0-1
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// 物品边界框
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boundingBox: {
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x: number;
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y: number;
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width: number;
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height: number;
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};
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}
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// Store 状态接口
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interface CanvasStore {
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// 项目信息
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projectId: string | null;
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projectTitle: string;
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// 画布状态
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nodes: CanvasNode[];
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edges: CanvasEdge[];
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selectedNodeIds: string[];
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viewport: Viewport;
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tool: ToolType;
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// 历史记录（用于撤销/重做）
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history: CanvasState[];
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historyIndex: number;
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// UI 状态
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isPanelOpen: boolean;
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isGenerating: boolean;
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// 🆕 待添加到对话框的图片（用于从画布添加图片到对话）
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pendingChatAttachments: PendingChatAttachment[];
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// 🆕 物品拾取模式
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isPickerMode: boolean;
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pickerTargetNodeId: string | null;
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isPickerLoading: boolean;
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pickedObject: PickedObject | null;
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pendingPickedObjects: PickedObject[];
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// 项目操作
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setProject: (id: string | null, title?: string) => void;
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setProjectTitle: (title: string) => void;
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// 节点操作
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addNode: (node: Omit<CanvasNode, 'id' | 'createdAt' | 'updatedAt'>) => string;
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updateNode: (id: string, updates: Partial<CanvasNode>) => void;
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deleteNode: (id: string) => void;
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deleteSelectedNodes: () => void;
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// 选择操作
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selectNode: (id: string, multi?: boolean) => void;
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selectNodes: (ids: string[]) => void;
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clearSelection: () => void;
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selectAll: () => void;
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// 边操作
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addEdge: (edge: Omit<CanvasEdge, 'id'>) => string;
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deleteEdge: (id: string) => void;
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// 视口操作
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setViewport: (viewport: Partial<Viewport>) => void;
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zoomIn: () => void;
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zoomOut: () => void;
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zoomTo: (zoom: number) => void;
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fitToScreen: () => void;
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centerNode: (nodeId: string) => void;
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// 工具操作
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setTool: (tool: ToolType) => void;
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// 历史操作
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undo: () => void;
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redo: () => void;
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pushHistory: () => void;
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// UI 操作
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togglePanel: () => void;
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setGenerating: (isGenerating: boolean) => void;
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// 批量操作
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loadCanvas: (state: Partial<CanvasState>) => void;
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clearCanvas: () => void;
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getCanvasState: () => CanvasState;
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// 节点位置操作
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moveNode: (id: string, position: Position) => void;
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resizeNode: (id: string, size: Size) => void;
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// 辅助方法
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getNode: (id: string) => CanvasNode | undefined;
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getSelectedNodes: () => CanvasNode[];
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getNodesByType: (type: NodeType) => CanvasNode[];
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// 🆕 对话框附件操作
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addPendingChatAttachment: (attachment: PendingChatAttachment) => void;
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clearPendingChatAttachments: () => void;
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// 🆕 物品拾取操作
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setPickerMode: (enabled: boolean, nodeId?: string) => void;
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setPickerLoading: (loading: boolean) => void;
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setPickedObject: (obj: PickedObject | null) => void;
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addPendingPickedObject: (obj: PickedObject) => void;
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clearPendingPickedObjects: () => void;
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}
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export const useCanvasStore = create<CanvasStore>()(
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devtools(
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persist(
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immer((set, get) => ({
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// 初始状态
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projectId: null,
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projectTitle: '未命名画布',
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nodes: [],
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edges: [],
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selectedNodeIds: [],
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viewport: defaultViewport,
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tool: 'select',
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history: [],
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historyIndex: -1,
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isPanelOpen: true,
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isGenerating: false,
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pendingChatAttachments: [], // 🆕 待添加到对话框的图片
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// 🆕 物品拾取模式初始状态
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isPickerMode: false,
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pickerTargetNodeId: null,
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isPickerLoading: false,
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pickedObject: null,
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pendingPickedObjects: [],
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// 项目操作
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setProject: (id, title) => set((state) => {
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state.projectId = id;
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if (title) state.projectTitle = title;
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}),
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setProjectTitle: (title) => set((state) => {
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state.projectTitle = title;
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}),
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// 节点操作
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addNode: (nodeData) => {
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const id = generateId();
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const now = new Date();
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const node: CanvasNode = {
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...nodeData,
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id,
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createdAt: now,
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updatedAt: now,
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};
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set((state) => {
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state.nodes.push(node);
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});
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// 添加到历史
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get().pushHistory();
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return id;
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},
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updateNode: (id, updates) => set((state) => {
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const index = state.nodes.findIndex(n => n.id === id);
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if (index !== -1) {
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state.nodes[index] = {
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...state.nodes[index],
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...updates,
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updatedAt: new Date(),
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};
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}
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}),
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deleteNode: (id) => {
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set((state) => {
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state.nodes = state.nodes.filter(n => n.id !== id);
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state.edges = state.edges.filter(e => e.source !== id && e.target !== id);
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state.selectedNodeIds = state.selectedNodeIds.filter(nid => nid !== id);
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});
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get().pushHistory();
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},
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deleteSelectedNodes: () => {
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const { selectedNodeIds } = get();
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set((state) => {
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state.nodes = state.nodes.filter(n => !selectedNodeIds.includes(n.id));
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state.edges = state.edges.filter(
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e => !selectedNodeIds.includes(e.source) && !selectedNodeIds.includes(e.target)
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);
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state.selectedNodeIds = [];
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});
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get().pushHistory();
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},
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// 选择操作
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selectNode: (id, multi = false) => set((state) => {
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if (multi) {
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const index = state.selectedNodeIds.indexOf(id);
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if (index === -1) {
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state.selectedNodeIds.push(id);
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} else {
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state.selectedNodeIds.splice(index, 1);
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}
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} else {
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state.selectedNodeIds = [id];
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}
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}),
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selectNodes: (ids) => set((state) => {
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state.selectedNodeIds = ids;
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}),
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clearSelection: () => set((state) => {
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state.selectedNodeIds = [];
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}),
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selectAll: () => set((state) => {
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state.selectedNodeIds = state.nodes.map(n => n.id);
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}),
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// 边操作
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addEdge: (edgeData) => {
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const id = generateId();
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const edge: CanvasEdge = { ...edgeData, id };
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set((state) => {
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// 检查是否已存在相同的边
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const exists = state.edges.some(
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e => e.source === edge.source && e.target === edge.target
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);
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if (!exists) {
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state.edges.push(edge);
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}
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});
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return id;
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},
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deleteEdge: (id) => set((state) => {
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state.edges = state.edges.filter(e => e.id !== id);
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}),
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// 视口操作
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setViewport: (viewport) => set((state) => {
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state.viewport = { ...state.viewport, ...viewport };
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}),
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zoomIn: () => set((state) => {
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state.viewport.zoom = Math.min(state.viewport.zoom * 1.2, 4);
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}),
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zoomOut: () => set((state) => {
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state.viewport.zoom = Math.max(state.viewport.zoom / 1.2, 0.1);
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}),
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zoomTo: (zoom) => set((state) => {
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state.viewport.zoom = Math.max(0.1, Math.min(zoom, 4));
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}),
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fitToScreen: () => set((state) => {
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// TODO: 计算所有节点的边界并调整视口
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state.viewport = { x: 0, y: 0, zoom: 1 };
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}),
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centerNode: (nodeId) => {
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const node = get().getNode(nodeId);
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if (node) {
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set((state) => {
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state.viewport.x = -node.position.x - node.size.width / 2;
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state.viewport.y = -node.position.y - node.size.height / 2;
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});
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}
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},
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// 工具操作
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setTool: (tool) => set((state) => {
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state.tool = tool;
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}),
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// 历史操作
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undo: () => set((state) => {
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if (state.historyIndex > 0) {
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state.historyIndex -= 1;
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const prevState = state.history[state.historyIndex];
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state.nodes = prevState.nodes;
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state.edges = prevState.edges;
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state.selectedNodeIds = prevState.selectedNodeIds;
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}
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}),
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redo: () => set((state) => {
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if (state.historyIndex < state.history.length - 1) {
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state.historyIndex += 1;
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const nextState = state.history[state.historyIndex];
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state.nodes = nextState.nodes;
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state.edges = nextState.edges;
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state.selectedNodeIds = nextState.selectedNodeIds;
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}
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}),
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pushHistory: () => set((state) => {
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const currentState: CanvasState = {
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nodes: JSON.parse(JSON.stringify(state.nodes)),
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edges: JSON.parse(JSON.stringify(state.edges)),
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selectedNodeIds: [...state.selectedNodeIds],
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viewport: { ...state.viewport },
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tool: state.tool,
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};
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// 移除当前位置之后的历史
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state.history = state.history.slice(0, state.historyIndex + 1);
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state.history.push(currentState);
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state.historyIndex = state.history.length - 1;
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// 限制历史记录数量
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if (state.history.length > 50) {
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state.history = state.history.slice(-50);
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state.historyIndex = state.history.length - 1;
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}
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}),
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// UI 操作
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togglePanel: () => set((state) => {
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state.isPanelOpen = !state.isPanelOpen;
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}),
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setGenerating: (isGenerating) => set((state) => {
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state.isGenerating = isGenerating;
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}),
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// 批量操作
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loadCanvas: (canvasState) => set((state) => {
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if (canvasState.nodes) state.nodes = canvasState.nodes;
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if (canvasState.edges) state.edges = canvasState.edges;
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if (canvasState.selectedNodeIds) state.selectedNodeIds = canvasState.selectedNodeIds;
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if (canvasState.viewport) state.viewport = canvasState.viewport;
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if (canvasState.tool) state.tool = canvasState.tool;
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}),
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clearCanvas: () => set((state) => {
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state.nodes = [];
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state.edges = [];
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state.selectedNodeIds = [];
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state.viewport = defaultViewport;
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state.history = [];
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state.historyIndex = -1;
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}),
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getCanvasState: () => {
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const state = get();
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return {
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nodes: state.nodes,
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edges: state.edges,
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selectedNodeIds: state.selectedNodeIds,
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viewport: state.viewport,
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tool: state.tool,
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};
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},
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// 节点位置操作
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moveNode: (id, position) => set((state) => {
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const node = state.nodes.find(n => n.id === id);
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if (node) {
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node.position = position;
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node.updatedAt = new Date();
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}
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}),
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resizeNode: (id, size) => set((state) => {
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const node = state.nodes.find(n => n.id === id);
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if (node) {
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node.size = size;
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node.updatedAt = new Date();
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}
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}),
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// 辅助方法
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getNode: (id) => get().nodes.find(n => n.id === id),
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getSelectedNodes: () => {
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const { nodes, selectedNodeIds } = get();
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return nodes.filter(n => selectedNodeIds.includes(n.id));
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},
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getNodesByType: (type) => get().nodes.filter(n => n.type === type),
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// 🆕 对话框附件操作
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addPendingChatAttachment: (attachment) => set((state) => {
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// 避免重复添加
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if (!state.pendingChatAttachments.some(a => a.url === attachment.url)) {
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state.pendingChatAttachments.push(attachment);
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}
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}),
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clearPendingChatAttachments: () => set((state) => {
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state.pendingChatAttachments = [];
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}),
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// 🆕 物品拾取操作
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setPickerMode: (enabled, nodeId) => set((state) => {
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state.isPickerMode = enabled;
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state.pickerTargetNodeId = enabled ? (nodeId || null) : null;
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if (!enabled) {
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state.pickedObject = null;
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state.isPickerLoading = false;
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}
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}),
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setPickerLoading: (loading) => set((state) => {
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state.isPickerLoading = loading;
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}),
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setPickedObject: (obj) => set((state) => {
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state.pickedObject = obj;
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}),
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addPendingPickedObject: (obj) => set((state) => {
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// 避免重复添加
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if (!state.pendingPickedObjects.some(o =>
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o.imageUrl === obj.imageUrl &&
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o.clickX === obj.clickX &&
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o.clickY === obj.clickY
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)) {
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state.pendingPickedObjects.push(obj);
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}
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}),
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clearPendingPickedObjects: () => set((state) => {
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state.pendingPickedObjects = [];
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}),
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})),
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{
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name: 'canvas-storage',
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partialize: (state) => ({
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// 只持久化部分状态
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projectId: state.projectId,
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projectTitle: state.projectTitle,
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}),
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}
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),
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{ name: 'canvas-store' }
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)
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);
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// 导出选择器
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export const canvasSelectors = {
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nodes: (state: CanvasStore) => state.nodes,
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edges: (state: CanvasStore) => state.edges,
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selectedNodeIds: (state: CanvasStore) => state.selectedNodeIds,
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viewport: (state: CanvasStore) => state.viewport,
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tool: (state: CanvasStore) => state.tool,
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isGenerating: (state: CanvasStore) => state.isGenerating,
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hasSelection: (state: CanvasStore) => state.selectedNodeIds.length > 0,
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canUndo: (state: CanvasStore) => state.historyIndex > 0,
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canRedo: (state: CanvasStore) => state.historyIndex < state.history.length - 1,
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};
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