mirror of
https://github.com/Tencent/tmagic-editor.git
synced 2025-06-16 09:59:24 +08:00
738 lines
21 KiB
TypeScript
738 lines
21 KiB
TypeScript
/*
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* Tencent is pleased to support the open source community by making TMagicEditor available.
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*
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* Copyright (C) 2021 THL A29 Limited, a Tencent company. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { reactive, toRaw } from 'vue';
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import { cloneDeep, mergeWith, uniq } from 'lodash-es';
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import type { Id, MApp, MComponent, MContainer, MNode, MPage } from '@tmagic/schema';
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import { NodeType } from '@tmagic/schema';
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import StageCore from '@tmagic/stage';
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import { getNodePath, isNumber, isPage, isPop } from '@tmagic/utils';
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import historyService, { StepValue } from '@editor/services/history';
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import storageService, { Protocol } from '@editor/services/storage';
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import type { AddMNode, EditorNodeInfo, PastePosition, StoreState } from '@editor/type';
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import { LayerOffset, Layout } from '@editor/type';
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import {
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change2Fixed,
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COPY_STORAGE_KEY,
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Fixed2Other,
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getInitPositionStyle,
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getNodeIndex,
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isFixed,
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setLayout,
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} from '@editor/utils/editor';
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import { beforeAdd, beforePaste, beforeRemove, notifyAddToStage } from '@editor/utils/operator';
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import BaseService from './BaseService';
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class Editor extends BaseService {
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public state = reactive<StoreState>({
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root: null,
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page: null,
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parent: null,
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node: null,
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nodes: [],
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stage: null,
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highlightNode: null,
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modifiedNodeIds: new Map(),
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pageLength: 0,
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});
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private isHistoryStateChange = false;
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constructor() {
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super(
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[
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'getLayout',
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'select',
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'add',
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'remove',
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'update',
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'sort',
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'copy',
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'paste',
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'alignCenter',
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'moveLayer',
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'moveToContainer',
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'move',
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'undo',
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'redo',
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'highlight',
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],
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// 需要注意循环依赖问题，如果函数间有相互调用的话，不能设置为串行调用
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['select', 'update', 'moveLayer'],
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);
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}
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/**
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* 设置当前指点节点配置
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* @param name 'root' | 'page' | 'parent' | 'node' | 'highlightNode' | 'nodes'
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* @param value MNode
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* @returns MNode
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*/
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public set<T = MNode>(name: keyof StoreState, value: T) {
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this.state[name] = value as any;
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// set nodes时将node设置为nodes第一个元素
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if (name === 'nodes') {
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this.set('node', (value as unknown as MNode[])[0]);
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}
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if (name === 'root') {
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this.state.pageLength = (value as unknown as MApp)?.items?.length || 0;
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this.emit('root-change', value);
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}
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}
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/**
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* 获取当前指点节点配置
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* @param name 'root' | 'page' | 'parent' | 'node' | 'highlightNode' | 'nodes'
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* @returns MNode
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*/
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public get<T = MNode>(name: keyof StoreState): T {
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return (this.state as any)[name];
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}
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/**
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* 根据id获取组件、组件的父组件以及组件所属的页面节点
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* @param {number | string} id 组件id
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* @param {boolean} raw 是否使用toRaw
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* @returns {EditorNodeInfo}
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*/
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public getNodeInfo(id: Id, raw = true): EditorNodeInfo {
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let root = this.get<MApp | null>('root');
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if (raw) {
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root = toRaw(root);
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}
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if (!root) return {};
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if (id === root.id) {
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return { node: root };
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}
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const path = getNodePath(id, root.items);
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if (!path.length) return {};
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path.unshift(root);
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const info: EditorNodeInfo = {};
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info.node = path[path.length - 1] as MComponent;
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info.parent = path[path.length - 2] as MContainer;
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path.forEach((item) => {
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if (item.type === NodeType.PAGE) {
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info.page = item as MPage;
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return;
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}
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});
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return info;
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}
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/**
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* 根据ID获取指点节点配置
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* @param id 组件ID
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* @param {boolean} raw 是否使用toRaw
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* @returns 组件节点配置
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*/
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public getNodeById(id: Id, raw = true): MNode | undefined {
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const { node } = this.getNodeInfo(id, raw);
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return node;
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}
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/**
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* 根据ID获取指点节点的父节点配置
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* @param id 组件ID
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* @param {boolean} raw 是否使用toRaw
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* @returns 指点组件的父节点配置
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*/
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public getParentById(id: Id, raw = true): MContainer | undefined {
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if (!this.get<MApp | null>('root')) return;
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const { parent } = this.getNodeInfo(id, raw);
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return parent;
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}
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/**
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* 只有容器拥有布局
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*/
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public async getLayout(parent: MNode, node?: MNode): Promise<Layout> {
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if (node && typeof node !== 'function' && isFixed(node)) return Layout.FIXED;
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if (parent.layout) {
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return parent.layout;
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}
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// 如果该节点没有设置position，则认为是流式布局，例如获取root的布局时
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if (!parent.style?.position) {
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return Layout.RELATIVE;
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}
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return Layout.ABSOLUTE;
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}
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/**
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* 选中指定节点（将指定节点设置成当前选中状态）
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* @param config 指定节点配置或者ID
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* @returns 当前选中的节点配置
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*/
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public async select(config: MNode | Id): Promise<MNode> | never {
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const { node, page, parent } = this.selectedConfigExceptionHandler(config);
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this.set('nodes', [node]);
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this.set('page', page || null);
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this.set('parent', parent || null);
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if (page) {
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historyService.changePage(toRaw(page));
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} else {
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historyService.empty();
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}
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if (node?.id) {
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this.get<StageCore>('stage')
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?.renderer.runtime?.getApp?.()
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?.emit(
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'editor:select',
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{
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node,
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page,
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parent,
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},
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getNodePath(node.id, this.get<MApp>('root').items),
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);
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}
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this.emit('select', node);
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return node!;
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}
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public async selectNextNode(): Promise<MNode> | never {
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const node = toRaw(this.get('node'));
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if (!node || isPage(node) || node.type === NodeType.ROOT) return node;
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const parent = toRaw(this.getParentById(node.id));
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if (!parent) return node;
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const index = getNodeIndex(node, parent);
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const nextNode = parent.items[index + 1] || parent.items[0];
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await this.select(nextNode);
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this.get<StageCore>('stage')?.select(nextNode.id);
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return nextNode;
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}
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public async selectNextPage(): Promise<MNode> | never {
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const root = toRaw(this.get<MApp>('root'));
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const page = toRaw(this.get('page'));
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const index = getNodeIndex(page, root);
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const nextPage = root.items[index + 1] || root.items[0];
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await this.select(nextPage);
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this.get<StageCore>('stage')?.select(nextPage.id);
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return nextPage;
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}
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/**
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* 高亮指定节点
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* @param config 指定节点配置或者ID
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* @returns 当前高亮的节点配置
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*/
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public highlight(config: MNode | Id): void {
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const { node } = this.selectedConfigExceptionHandler(config);
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const currentHighlightNode = this.get('highlightNode');
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if (currentHighlightNode === node) return;
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this.set('highlightNode', node);
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}
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/**
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* 多选
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* @param ids 指定节点ID
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* @returns 加入多选的节点配置
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*/
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public multiSelect(ids: Id[]): void {
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const nodes: MNode[] = [];
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const idsUnique = uniq(ids);
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idsUnique.forEach((id) => {
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const { node } = this.getNodeInfo(id);
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if (!node) return;
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nodes.push(node);
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});
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this.set('nodes', nodes);
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}
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/**
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* 批量向容器添加节点
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* @param configs 将要添加的节点数组
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* @returns 添加后的节点
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*/
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public async multiAdd(configs: MNode[]): Promise<MNode[]> {
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const stage = this.get<StageCore | null>('stage');
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const newNodes: MNode[] = await Promise.all(
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configs.map(async (configItem: MNode): Promise<MNode> => {
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// 新增元素到配置
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const { parentNode, newNode, layout } = await beforeAdd(configItem as AddMNode);
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// 将新增元素事件通知到stage以更新渲染
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await notifyAddToStage(parentNode, newNode, layout);
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return newNode;
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}),
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);
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const newNodeIds: Id[] = newNodes.map((node) => node.id);
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// 增加历史记录 多选不可能选中page
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this.addModifiedNodeId(newNodeIds.join('-'));
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this.pushHistoryState();
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// 触发选中样式
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stage?.multiSelect(newNodeIds);
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this.emit('multiAdd', newNodes);
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return newNodes;
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}
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/**
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* 向指点容器添加组件节点
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* @param addConfig 将要添加的组件节点配置
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* @param parent 要添加到的容器组件节点配置，如果不设置，默认为当前选中的组件的父节点
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* @returns 添加后的节点
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*/
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public async add(addNode: AddMNode, parent?: MContainer | null): Promise<MNode> {
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const stage = this.get<StageCore | null>('stage');
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// 新增元素到配置
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const { parentNode, newNode, layout, isPage } = await beforeAdd(addNode, parent);
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// 将新增元素事件通知到stage以更新渲染
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await notifyAddToStage(parentNode, newNode, layout);
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// 更新编辑器选中元素
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await this.select(newNode);
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// 增加历史记录
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this.addModifiedNodeId(newNode.id);
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if (!isPage) {
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this.pushHistoryState();
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}
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if (isPage) {
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this.state.pageLength += 1;
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} else {
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// 新增页面，这个时候页面还有渲染出来，此时select会出错，在runtime-ready的时候回去select
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stage?.select(newNode.id);
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}
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this.emit('add', newNode);
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return newNode;
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}
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/**
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* 删除组件
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* @param {Object} node
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* @return {Object} 删除的组件配置
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*/
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public async remove(nodeOrNodeList: MNode | MNode[]): Promise<MNode | MNode[]> {
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if (Array.isArray(nodeOrNodeList)) {
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// 多选批量删除
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const nodes = nodeOrNodeList;
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return this.multiRemove(nodes);
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}
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const node = nodeOrNodeList;
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const removeParent = await beforeRemove(node);
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// 删除的是页面
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if (!removeParent) return node;
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// 更新历史记录
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this.addModifiedNodeId(removeParent.id);
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this.pushHistoryState();
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this.emit('remove', node);
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return node;
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}
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/**
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* 批量删除
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* @param nodes 批量删除的节点
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* @returns 批量删除的节点
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*/
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public async multiRemove(nodes: MNode[]): Promise<MNode[]> {
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await Promise.all(
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nodes.map(async (removeNode) => {
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await beforeRemove(removeNode);
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}),
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);
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const nodeIds = nodes.map((node) => node.id);
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this.addModifiedNodeId(nodeIds.join('-'));
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this.pushHistoryState();
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this.emit('multiRemove', nodes);
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return nodes;
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}
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/**
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* 更新节点
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* @param config 新的节点配置，配置中需要有id信息
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* @returns 更新后的节点配置
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*/
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public async update(config: MNode): Promise<MNode> {
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if (!config?.id) throw new Error('没有配置或者配置缺少id值');
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const info = this.getNodeInfo(config.id, false);
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if (!info.node) throw new Error(`获取不到id为${config.id}的节点`);
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const node = cloneDeep(toRaw(info.node));
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let newConfig = await this.toggleFixedPosition(toRaw(config), node, this.get<MApp>('root'));
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newConfig = mergeWith(cloneDeep(node), newConfig, (objValue, srcValue) => {
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if (Array.isArray(srcValue)) {
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return srcValue;
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}
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});
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if (!newConfig.type) throw new Error('配置缺少type值');
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if (newConfig.type === NodeType.ROOT) {
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this.set('root', newConfig);
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return newConfig;
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}
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const { parent } = info;
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if (!parent) throw new Error('获取不到父级节点');
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const parentNodeItems = parent.items;
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const index = getNodeIndex(newConfig, parent);
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if (!parentNodeItems || typeof index === 'undefined' || index === -1) throw new Error('更新的节点未找到');
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const newLayout = await this.getLayout(newConfig);
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const layout = await this.getLayout(node);
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if (newLayout !== layout) {
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newConfig = setLayout(newConfig, newLayout);
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}
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parentNodeItems[index] = newConfig;
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||
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// 将update后的配置更新到nodes中
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const nodes = this.get('nodes');
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const targetIndex = nodes.findIndex((nodeItem: MNode) => `${nodeItem.id}` === `${newConfig.id}`);
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nodes.splice(targetIndex, 1, newConfig);
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this.set('nodes', nodes);
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this.get<StageCore | null>('stage')?.update({ config: cloneDeep(newConfig), root: cloneDeep(this.get('root')) });
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||
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if (newConfig.type === NodeType.PAGE) {
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this.set('page', newConfig);
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}
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||
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this.addModifiedNodeId(newConfig.id);
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this.pushHistoryState();
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||
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this.emit('update', newConfig);
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||
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return newConfig;
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||
}
|
||
|
||
/**
|
||
* 将id为id1的组件移动到id为id2的组件位置上，例如：[1,2,3,4] -> sort(1,3) -> [2,1,3,4]
|
||
* @param id1 组件ID
|
||
* @param id2 组件ID
|
||
* @returns void
|
||
*/
|
||
public async sort(id1: Id, id2: Id): Promise<void> {
|
||
const node = this.get<MNode>('node');
|
||
const parent = cloneDeep(toRaw(this.get<MContainer>('parent')));
|
||
const index2 = parent.items.findIndex((node: MNode) => `${node.id}` === `${id2}`);
|
||
// 在 id1 的兄弟组件中若无 id2 则直接 return
|
||
if (index2 < 0) return;
|
||
const index1 = parent.items.findIndex((node: MNode) => `${node.id}` === `${id1}`);
|
||
|
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parent.items.splice(index2, 0, ...parent.items.splice(index1, 1));
|
||
|
||
await this.update(parent);
|
||
await this.select(node);
|
||
|
||
this.get<StageCore | null>('stage')?.update({ config: cloneDeep(node), root: cloneDeep(this.get('root')) });
|
||
|
||
this.addModifiedNodeId(parent.id);
|
||
this.pushHistoryState();
|
||
}
|
||
|
||
/**
|
||
* 将组将节点配置转化成string，然后存储到localStorage中
|
||
* @param config 组件节点配置
|
||
* @returns 组件节点配置
|
||
*/
|
||
public async copy(config: MNode | MNode[]): Promise<void> {
|
||
await storageService.setItem(COPY_STORAGE_KEY, Array.isArray(config) ? config : [config], {
|
||
protocol: Protocol.OBJECT,
|
||
});
|
||
}
|
||
|
||
/**
|
||
* 从localStorage中获取节点，然后添加到当前容器中
|
||
* @param position 粘贴的坐标
|
||
* @returns 添加后的组件节点配置
|
||
*/
|
||
public async paste(position: PastePosition = {}): Promise<MNode[] | void> {
|
||
const config = await storageService.getItem(COPY_STORAGE_KEY);
|
||
|
||
if (!config) return;
|
||
|
||
const pasteConfigs = await beforePaste(position, config);
|
||
|
||
return await this.multiAdd(pasteConfigs);
|
||
}
|
||
|
||
/**
|
||
* 将指点节点设置居中
|
||
* @param config 组件节点配置
|
||
* @returns 当前组件节点配置
|
||
*/
|
||
public async alignCenter(config: MNode): Promise<MNode | void> {
|
||
const parent = this.get<MContainer>('parent');
|
||
const node = this.get<MNode>('node');
|
||
const layout = await this.getLayout(toRaw(parent), toRaw(node));
|
||
if (layout === Layout.RELATIVE) {
|
||
return;
|
||
}
|
||
|
||
if (!node.style) return;
|
||
|
||
const stage = this.get<StageCore>('stage');
|
||
const doc = stage?.renderer.contentWindow?.document;
|
||
|
||
if (doc) {
|
||
const el = doc.getElementById(`${node.id}`);
|
||
const parentEl = el?.offsetParent;
|
||
if (parentEl && el) {
|
||
node.style.left = (parentEl.clientWidth - el.clientWidth) / 2;
|
||
}
|
||
} else if (parent.style && isNumber(parent.style?.width) && isNumber(node.style?.width)) {
|
||
node.style.left = (parent.style.width - node.style.width) / 2;
|
||
}
|
||
|
||
await this.update(node);
|
||
this.get<StageCore | null>('stage')?.update({
|
||
config: cloneDeep(toRaw(node)),
|
||
root: cloneDeep(this.get<MApp>('root')),
|
||
});
|
||
this.addModifiedNodeId(config.id);
|
||
this.pushHistoryState();
|
||
|
||
return config;
|
||
}
|
||
|
||
/**
|
||
* 移动当前选中节点位置
|
||
* @param offset 偏移量
|
||
*/
|
||
public async moveLayer(offset: number | LayerOffset): Promise<void> {
|
||
const parent = this.get<MContainer>('parent');
|
||
const node = this.get('node');
|
||
const brothers: MNode[] = parent?.items || [];
|
||
const index = brothers.findIndex((item) => `${item.id}` === `${node?.id}`);
|
||
|
||
if (offset === LayerOffset.TOP) {
|
||
brothers.splice(brothers.length - 1, 0, brothers.splice(index, 1)[0]);
|
||
} else if (offset === LayerOffset.BOTTOM) {
|
||
brothers.splice(0, 0, brothers.splice(index, 1)[0]);
|
||
} else {
|
||
brothers.splice(index + parseInt(`${offset}`, 10), 0, brothers.splice(index, 1)[0]);
|
||
}
|
||
|
||
this.get<StageCore | null>('stage')?.update({
|
||
config: cloneDeep(toRaw(parent)),
|
||
root: cloneDeep(this.get<MApp>('root')),
|
||
});
|
||
}
|
||
|
||
/**
|
||
* 移动到指定容器中
|
||
* @param config 需要移动的节点
|
||
* @param targetId 容器ID
|
||
*/
|
||
public async moveToContainer(config: MNode, targetId: Id): Promise<MNode | undefined> {
|
||
const { node, parent } = this.getNodeInfo(config.id, false);
|
||
const target = this.getNodeById(targetId, false) as MContainer;
|
||
|
||
const stage = this.get<StageCore | null>('stage');
|
||
|
||
if (node && parent && stage) {
|
||
const root = cloneDeep(this.get<MApp>('root'));
|
||
const index = getNodeIndex(node, parent);
|
||
parent.items?.splice(index, 1);
|
||
|
||
await stage.remove({ id: node.id, root });
|
||
|
||
const layout = await this.getLayout(target);
|
||
|
||
const newConfig = mergeWith(cloneDeep(node), config, (objValue, srcValue) => {
|
||
if (Array.isArray(srcValue)) {
|
||
return srcValue;
|
||
}
|
||
});
|
||
newConfig.style = getInitPositionStyle(newConfig.style, layout, target, stage);
|
||
|
||
target.items.push(newConfig);
|
||
|
||
await stage.select(targetId);
|
||
|
||
await stage.update({ config: cloneDeep(target), root });
|
||
|
||
await this.select(newConfig);
|
||
stage.select(newConfig.id);
|
||
|
||
this.addModifiedNodeId(target.id);
|
||
this.addModifiedNodeId(parent.id);
|
||
this.pushHistoryState();
|
||
|
||
return newConfig;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 撤销当前操作
|
||
* @returns 上一次数据
|
||
*/
|
||
public async undo(): Promise<StepValue | null> {
|
||
const value = historyService.undo();
|
||
await this.changeHistoryState(value);
|
||
return value;
|
||
}
|
||
|
||
/**
|
||
* 恢复到下一步
|
||
* @returns 下一步数据
|
||
*/
|
||
public async redo(): Promise<StepValue | null> {
|
||
const value = historyService.redo();
|
||
await this.changeHistoryState(value);
|
||
return value;
|
||
}
|
||
|
||
public async move(left: number, top: number) {
|
||
const node = toRaw(this.get('node'));
|
||
if (!node || isPage(node)) return;
|
||
|
||
const { style, id } = node;
|
||
if (!style || style.position !== 'absolute') return;
|
||
|
||
if (top && !isNumber(style.top)) return;
|
||
if (left && !isNumber(style.left)) return;
|
||
|
||
this.update({
|
||
id,
|
||
style: {
|
||
...style,
|
||
left: Number(style.left) + left,
|
||
top: Number(style.top) + top,
|
||
},
|
||
});
|
||
}
|
||
|
||
public destroy() {
|
||
this.removeAllListeners();
|
||
this.set('root', null);
|
||
this.set('node', null);
|
||
this.set('nodes', []);
|
||
this.set('page', null);
|
||
this.set('parent', null);
|
||
}
|
||
|
||
public resetModifiedNodeId() {
|
||
this.get<Map<Id, Id>>('modifiedNodeIds').clear();
|
||
}
|
||
|
||
private addModifiedNodeId(id: Id) {
|
||
if (!this.isHistoryStateChange) {
|
||
this.get<Map<Id, Id>>('modifiedNodeIds').set(id, id);
|
||
}
|
||
}
|
||
|
||
private pushHistoryState() {
|
||
const curNode = cloneDeep(toRaw(this.get('node')));
|
||
if (!this.isHistoryStateChange) {
|
||
historyService.push({
|
||
data: cloneDeep(toRaw(this.get('page'))),
|
||
modifiedNodeIds: this.get<Map<Id, Id>>('modifiedNodeIds'),
|
||
nodeId: curNode.id,
|
||
});
|
||
}
|
||
this.isHistoryStateChange = false;
|
||
}
|
||
|
||
private async changeHistoryState(value: StepValue | null) {
|
||
if (!value) return;
|
||
|
||
this.isHistoryStateChange = true;
|
||
await this.update(value.data);
|
||
this.set('modifiedNodeIds', value.modifiedNodeIds);
|
||
setTimeout(async () => {
|
||
if (!value.nodeId) return;
|
||
await this.select(value.nodeId);
|
||
this.get<StageCore | null>('stage')?.select(value.nodeId);
|
||
}, 0);
|
||
}
|
||
|
||
private async toggleFixedPosition(dist: MNode, src: MNode, root: MApp) {
|
||
const newConfig = cloneDeep(dist);
|
||
|
||
if (!isPop(src) && newConfig.style?.position) {
|
||
if (isFixed(newConfig) && !isFixed(src)) {
|
||
newConfig.style = change2Fixed(newConfig, root);
|
||
} else if (!isFixed(newConfig) && isFixed(src)) {
|
||
newConfig.style = await Fixed2Other(newConfig, root, this.getLayout);
|
||
}
|
||
}
|
||
|
||
return newConfig;
|
||
}
|
||
|
||
private selectedConfigExceptionHandler(config: MNode | Id): EditorNodeInfo {
|
||
let id: Id;
|
||
if (typeof config === 'string' || typeof config === 'number') {
|
||
id = config;
|
||
} else {
|
||
id = config.id;
|
||
}
|
||
if (!id) {
|
||
throw new Error('没有ID，无法选中');
|
||
}
|
||
|
||
const { node, parent, page } = this.getNodeInfo(id);
|
||
if (!node) throw new Error('获取不到组件信息');
|
||
|
||
if (node.id === this.state.root?.id) {
|
||
throw new Error('不能选根节点');
|
||
}
|
||
return {
|
||
node,
|
||
parent,
|
||
page,
|
||
};
|
||
}
|
||
}
|
||
|
||
export type EditorService = Editor;
|
||
|
||
export default new Editor();
|