mirror of
https://github.com/Tencent/tmagic-editor.git
synced 2026-07-14 23:21:29 +08:00
1591 lines
54 KiB
TypeScript
1591 lines
54 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) 2025 Tencent. 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, isObject, mergeWith, uniq } from 'lodash-es';
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import type { Id, MApp, MContainer, MNode, MPage, MPageFragment, TargetOptions } from '@tmagic/core';
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import { NodeType } from '@tmagic/core';
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import type { ChangeRecord } from '@tmagic/form';
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import { isFixed } from '@tmagic/stage';
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import { getNodeInfo, getNodePath, getValueByKeyPath, isPage, isPageFragment, setValueByKeyPath } from '@tmagic/utils';
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import BaseService from '@editor/services//BaseService';
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import propsService from '@editor/services//props';
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import historyService from '@editor/services/history';
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import storageService, { Protocol } from '@editor/services/storage';
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import type {
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AddMNode,
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AsyncHookPlugin,
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AsyncMethodName,
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DslOpOptions,
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EditorEvents,
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EditorNodeInfo,
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HistoryOpSource,
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HistoryOpType,
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PastePosition,
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StepValue,
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StoreState,
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StoreStateKey,
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} from '@editor/type';
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import { canUsePluginMethods, LayerOffset, Layout } from '@editor/type';
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import {
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calcAlignCenterStyle,
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calcLayerTargetIndex,
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calcMoveStyle,
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classifyDragSources,
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collectRelatedNodes,
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COPY_STORAGE_KEY,
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editorNodeMergeCustomizer,
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fixNodePosition,
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getInitPositionStyle,
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getNodeIndex,
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getPageFragmentList,
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getPageList,
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moveItemsInContainer,
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resolveSelectedNode,
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setChildrenLayout,
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setLayout,
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toggleFixedPosition,
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} from '@editor/utils/editor';
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import { beforePaste, getAddParent } from '@editor/utils/operator';
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type MoveItem = { node: MNode; parent: MContainer; pageForOp: { name: string; id: Id } | null };
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/**
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* 给「回滚」生成的新 step 用的简短描述生成器。
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* 与 UI 层 `describePageStep` 同义，但避免 service 反向依赖 layouts/，故在此本地实现。
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*/
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const describeStepForRevert = (step: StepValue): string => {
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switch (step.opType) {
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case 'add': {
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const count = step.nodes?.length ?? 0;
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const node = step.nodes?.[0];
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const label = node?.name || node?.type || (node?.id !== undefined ? `${node.id}` : '');
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return `撤回新增 ${count} 个节点${count === 1 && label ? `（${label}）` : ''}`;
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}
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case 'remove': {
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const count = step.removedItems?.length ?? 0;
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const node = step.removedItems?.[0]?.node;
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const label = node?.name || node?.type || (node?.id !== undefined ? `${node.id}` : '');
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return `还原已删除的 ${count} 个节点${count === 1 && label ? `（${label}）` : ''}`;
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}
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case 'update':
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default: {
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const items = step.updatedItems ?? [];
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if (items.length === 1) {
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const { newNode, oldNode, changeRecords } = items[0];
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const target = newNode?.name || newNode?.type || oldNode?.name || oldNode?.type || `${newNode?.id ?? ''}`;
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const propPath = changeRecords?.[0]?.propPath;
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return propPath ? `还原 ${target} · ${propPath}` : `还原 ${target}`;
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}
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return `还原 ${items.length} 个节点的修改`;
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}
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}
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};
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class Editor extends BaseService {
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public state: StoreState = reactive({
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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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stageLoading: true,
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highlightNode: null,
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modifiedNodeIds: new Map(),
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pageLength: 0,
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pageFragmentLength: 0,
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disabledMultiSelect: false,
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alwaysMultiSelect: false,
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});
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private selectionBeforeOp: Id[] | null = null;
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constructor() {
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super(
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canUsePluginMethods.async.map((methodName) => ({ name: methodName, isAsync: true })),
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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' | 'stage' | 'modifiedNodeIds' | 'pageLength' | 'pageFragmentLength
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* @param value MNode
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*/
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public set<K extends StoreStateKey, T extends StoreState[K]>(name: K, value: T) {
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const preValue = this.state[name];
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this.state[name] = value;
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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' && Array.isArray(value)) {
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this.set('node', value[0]);
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}
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if (name === 'root') {
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if (Array.isArray(value)) {
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throw new Error('root 不能为数组');
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}
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if (value && isObject(value)) {
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const app = value as MApp;
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this.state.pageLength = getPageList(app).length || 0;
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this.state.pageFragmentLength = getPageFragmentList(app).length || 0;
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this.state.stageLoading = this.state.pageLength !== 0;
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} else {
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this.state.pageLength = 0;
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this.state.pageFragmentLength = 0;
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this.state.stageLoading = false;
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}
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this.emit('root-change', value as StoreState['root'], preValue as StoreState['root']);
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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' | 'stage' | 'modifiedNodeIds' | 'pageLength' | 'pageFragmentLength'
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* @returns MNode
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*/
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public get<K extends StoreStateKey>(name: K): StoreState[K] {
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return this.state[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('root');
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if (raw) {
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root = toRaw(root);
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}
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return getNodeInfo(id, root);
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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 | null {
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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 | null {
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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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* 判断给定节点是否位于非当前页面（即选中该节点将会引起当前页面切换）
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* @param node 节点
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* @returns true 表示该节点位于非当前页面
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*/
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public isOnDifferentPage(node: MNode): boolean {
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const currentPageId = this.get('page')?.id;
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if (currentPageId === undefined || currentPageId === null) return false;
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if (isPage(node) || isPageFragment(node)) {
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return `${node.id}` !== `${currentPageId}`;
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}
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const nodePage = this.getNodeInfo(node.id, false).page;
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if (!nodePage) return false;
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return `${nodePage.id}` !== `${currentPageId}`;
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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 | null): Promise<Layout> {
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if (node && isFixed(node.style || {})) 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 ? [node] : []);
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this.set('page', page);
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this.set('parent', parent);
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if (page) {
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historyService.changePage(toRaw(page));
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} else {
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historyService.resetState();
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}
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if (node?.id) {
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this.get('stage')
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?.renderer?.runtime?.getApp?.()
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?.page?.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('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 | null> | 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.id, 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('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('root'));
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const page = toRaw(this.get('page'));
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if (!page) throw new Error('page不能为空');
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if (!root) throw new Error('root不能为空');
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const index = getNodeIndex(page.id, 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('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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public selectRoot() {
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const root = this.get('root');
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if (!root) return;
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this.set('nodes', [root]);
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this.set('parent', null);
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this.set('page', null);
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this.set('stage', null);
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this.set('highlightNode', null);
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}
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public async doAdd(node: MNode, parent: MContainer): Promise<MNode> {
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const root = this.get('root');
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if (!root) throw new Error('root为空');
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const curNode = this.get('node');
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const stage = this.get('stage');
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if (!curNode) throw new Error('当前选中节点为空');
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if ((parent.type === NodeType.ROOT || curNode?.type === NodeType.ROOT) && !(isPage(node) || isPageFragment(node))) {
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throw new Error('app下不能添加组件');
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}
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if (parent.id !== curNode.id && !(isPage(node) || isPageFragment(node))) {
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const index = parent.items.indexOf(curNode);
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parent.items?.splice(index + 1, 0, node);
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} else {
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// 新增节点添加到配置中
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parent.items?.push(node);
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}
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const layout = await this.getLayout(toRaw(parent), node as MNode);
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node.style = getInitPositionStyle(node.style, layout);
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await stage?.add({
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config: cloneDeep(node),
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parent: cloneDeep(parent),
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parentId: parent.id,
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root: cloneDeep(root),
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});
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const newStyle = fixNodePosition(node, parent, stage);
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if (newStyle && (newStyle.top !== node.style.top || newStyle.left !== node.style.left)) {
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node.style = newStyle;
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await stage?.update({ config: cloneDeep(node), parentId: parent.id, root: cloneDeep(root) });
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}
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this.addModifiedNodeId(node.id);
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return node;
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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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* @param options 可选配置
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* @param options.doNotSelect 添加后是否不更新当前选中节点（默认 false，添加后会选中新增的节点）
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* @param options.doNotSwitchPage 添加后是否不切换当前页面（默认 false；新增页面 / 跨页新增时为 true 会跳过会引发页面切换的选中操作）
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* @param options.doNotPushHistory 是否不写入历史记录（默认 false）
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* @returns 添加后的节点
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*/
|
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public async add(
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addNode: AddMNode | MNode[],
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parent?: MContainer | null,
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{
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doNotSelect = false,
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doNotSwitchPage = false,
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doNotPushHistory = false,
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historyDescription,
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historySource,
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}: DslOpOptions = {},
|
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): Promise<MNode | MNode[]> {
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this.captureSelectionBeforeOp();
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||
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const stage = this.get('stage');
|
||
|
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// 新增多个组件只存在于粘贴多个组件,粘贴的是一个完整的config,所以不再需要getPropsValue
|
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const addNodes = [];
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if (!Array.isArray(addNode)) {
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const { type, inputEvent, ...config } = addNode;
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||
|
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if (!type) throw new Error('组件类型不能为空');
|
||
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addNodes.push({ ...toRaw(await propsService.getPropsValue(type, config)) });
|
||
} else {
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addNodes.push(...addNode);
|
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}
|
||
|
||
const newNodes = await Promise.all(
|
||
addNodes.map((node) => {
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||
const root = this.get('root');
|
||
if ((isPage(node) || isPageFragment(node)) && root) {
|
||
return this.doAdd(node, root);
|
||
}
|
||
const parentNode = parent ?? getAddParent(node);
|
||
if (!parentNode) throw new Error('未找到父元素');
|
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return this.doAdd(node, parentNode);
|
||
}),
|
||
);
|
||
|
||
if (newNodes.length > 1) {
|
||
// 多选时只要任一新增节点位于非当前页面，触发的 multiSelect 就会引起页面切换
|
||
const wouldSwitchPage = newNodes.some((n) => this.isOnDifferentPage(n));
|
||
if (!doNotSelect && !(doNotSwitchPage && wouldSwitchPage)) {
|
||
const newNodeIds = newNodes.map((node) => node.id);
|
||
// 触发选中样式
|
||
stage?.multiSelect(newNodeIds);
|
||
await this.multiSelect(newNodeIds);
|
||
}
|
||
} else {
|
||
const wouldSwitchPage = this.isOnDifferentPage(newNodes[0]);
|
||
const skipSelect = doNotSelect || (doNotSwitchPage && wouldSwitchPage);
|
||
|
||
if (!skipSelect) {
|
||
await this.select(newNodes[0]);
|
||
}
|
||
|
||
if (isPage(newNodes[0])) {
|
||
this.state.pageLength += 1;
|
||
} else if (isPageFragment(newNodes[0])) {
|
||
this.state.pageFragmentLength += 1;
|
||
} else if (!skipSelect) {
|
||
// 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
|
||
stage?.select(newNodes[0].id);
|
||
}
|
||
}
|
||
|
||
if (!(isPage(newNodes[0]) || isPageFragment(newNodes[0]))) {
|
||
const pageForOp = this.getNodeInfo(newNodes[0].id, false).page;
|
||
if (!doNotPushHistory) {
|
||
this.pushOpHistory('add', {
|
||
extra: {
|
||
nodes: newNodes.map((n) => cloneDeep(toRaw(n))),
|
||
parentId: (this.getParentById(newNodes[0].id, false) ?? this.get('root'))!.id,
|
||
indexMap: Object.fromEntries(
|
||
newNodes.map((n) => {
|
||
const p = this.getParentById(n.id, false) as MContainer;
|
||
return [n.id, p ? getNodeIndex(n.id, p) : -1];
|
||
}),
|
||
),
|
||
},
|
||
pageData: { name: pageForOp?.name || '', id: pageForOp!.id },
|
||
historyDescription,
|
||
source: historySource,
|
||
});
|
||
} else {
|
||
this.selectionBeforeOp = null;
|
||
}
|
||
}
|
||
|
||
this.emit('add', newNodes);
|
||
|
||
return Array.isArray(addNode) ? newNodes : newNodes[0];
|
||
}
|
||
|
||
public async doRemove(
|
||
node: MNode,
|
||
{ doNotSelect = false, doNotSwitchPage = false }: DslOpOptions = {},
|
||
): Promise<void> {
|
||
const root = this.get('root');
|
||
if (!root) throw new Error('root不能为空');
|
||
|
||
const { parent, node: curNode } = this.getNodeInfo(node.id, false);
|
||
|
||
if (!parent || !curNode) throw new Error('找不要删除的节点');
|
||
|
||
const index = getNodeIndex(curNode.id, parent);
|
||
|
||
if (typeof index !== 'number' || index === -1) throw new Error('找不要删除的节点');
|
||
|
||
parent.items?.splice(index, 1);
|
||
const stage = this.get('stage');
|
||
stage?.remove({ id: node.id, parentId: parent.id, root: cloneDeep(root) });
|
||
|
||
// 始终清理已删除节点在 state 中的残留引用：
|
||
// - 即使后续会调用 selectDefault / select(parent) 覆盖，跳过这些调用（doNotSelect / doNotSwitchPage）时也不能让 state 持有已删除节点
|
||
const selectedNodes = this.get('nodes');
|
||
const removedSelectedIndex = selectedNodes.findIndex((n: MNode) => `${n.id}` === `${node.id}`);
|
||
if (removedSelectedIndex !== -1) {
|
||
const nextSelected = [...selectedNodes];
|
||
nextSelected.splice(removedSelectedIndex, 1);
|
||
this.set('nodes', nextSelected);
|
||
}
|
||
if (isPage(node) || isPageFragment(node)) {
|
||
const currentPage = this.get('page');
|
||
if (currentPage && `${currentPage.id}` === `${node.id}`) {
|
||
this.set('page', null);
|
||
}
|
||
}
|
||
|
||
const selectDefault = async (pages: MNode[]) => {
|
||
if (pages[0]) {
|
||
await this.select(pages[0]);
|
||
stage?.select(pages[0].id);
|
||
} else {
|
||
this.selectRoot();
|
||
|
||
historyService.resetPage();
|
||
}
|
||
};
|
||
|
||
const rootItems = root.items || [];
|
||
|
||
if (isPage(node)) {
|
||
this.state.pageLength -= 1;
|
||
|
||
// 删除页面后默认会切到首个剩余页面（selectDefault），doNotSwitchPage 时跳过这次自动切换
|
||
if (!doNotSelect && !doNotSwitchPage) {
|
||
await selectDefault(rootItems);
|
||
}
|
||
} else if (isPageFragment(node)) {
|
||
this.state.pageFragmentLength -= 1;
|
||
|
||
if (!doNotSelect && !doNotSwitchPage) {
|
||
await selectDefault(rootItems);
|
||
}
|
||
} else {
|
||
if (!doNotSelect) {
|
||
await this.select(parent);
|
||
stage?.select(parent.id);
|
||
}
|
||
|
||
this.addModifiedNodeId(parent.id);
|
||
}
|
||
|
||
if (!rootItems.length) {
|
||
this.resetModifiedNodeId();
|
||
historyService.reset();
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 删除组件
|
||
* @param {Object} node 要删除的节点或节点集合
|
||
* @param options 可选配置
|
||
* @param options.doNotSelect 删除后是否不更新当前选中节点（默认 false，删除后会选中父节点或首个页面）
|
||
* @param options.doNotSwitchPage 删除后是否不切换当前页面（默认 false；删除页面 / 页面片段时为 true 会跳过自动切换到首个剩余页面）
|
||
* @param options.doNotPushHistory 是否不写入历史记录（默认 false）
|
||
*/
|
||
public async remove(
|
||
nodeOrNodeList: MNode | MNode[],
|
||
{
|
||
doNotSelect = false,
|
||
doNotSwitchPage = false,
|
||
doNotPushHistory = false,
|
||
historyDescription,
|
||
historySource,
|
||
}: DslOpOptions = {},
|
||
): Promise<void> {
|
||
this.captureSelectionBeforeOp();
|
||
|
||
const nodes = Array.isArray(nodeOrNodeList) ? nodeOrNodeList : [nodeOrNodeList];
|
||
|
||
const removedItems: { node: MNode; parentId: Id; index: number }[] = [];
|
||
let pageForOp: { name: string; id: Id } | null = null;
|
||
if (!(isPage(nodes[0]) || isPageFragment(nodes[0]))) {
|
||
for (const n of nodes) {
|
||
const { parent, node: curNode, page } = this.getNodeInfo(n.id, false);
|
||
if (parent && curNode) {
|
||
if (!pageForOp && page) {
|
||
pageForOp = { name: page.name || '', id: page.id };
|
||
}
|
||
const idx = getNodeIndex(curNode.id, parent);
|
||
removedItems.push({
|
||
node: cloneDeep(toRaw(curNode)),
|
||
parentId: parent.id,
|
||
index: typeof idx === 'number' ? idx : -1,
|
||
});
|
||
}
|
||
}
|
||
}
|
||
|
||
await Promise.all(nodes.map((node) => this.doRemove(node, { doNotSelect, doNotSwitchPage })));
|
||
|
||
if (removedItems.length > 0 && pageForOp) {
|
||
if (!doNotPushHistory) {
|
||
this.pushOpHistory('remove', {
|
||
extra: { removedItems },
|
||
pageData: pageForOp,
|
||
historyDescription,
|
||
source: historySource,
|
||
});
|
||
} else {
|
||
this.selectionBeforeOp = null;
|
||
}
|
||
}
|
||
|
||
this.emit('remove', nodes);
|
||
}
|
||
|
||
public async doUpdate(
|
||
config: MNode,
|
||
{ changeRecords = [] }: { changeRecords?: ChangeRecord[] } = {},
|
||
): Promise<{ newNode: MNode; oldNode: MNode; changeRecords?: ChangeRecord[] }> {
|
||
const root = this.get('root');
|
||
if (!root) throw new Error('root为空');
|
||
|
||
if (!config?.id) throw new Error('没有配置或者配置缺少id值');
|
||
|
||
const info = this.getNodeInfo(config.id, false);
|
||
|
||
if (!info.node) throw new Error(`获取不到id为${config.id}的节点`);
|
||
|
||
const node = toRaw(info.node);
|
||
|
||
let newConfig = await toggleFixedPosition(toRaw(config), node, root, this.getLayout);
|
||
|
||
newConfig = mergeWith(cloneDeep(node), newConfig, editorNodeMergeCustomizer);
|
||
|
||
if (!newConfig.type) throw new Error('配置缺少type值');
|
||
|
||
if (newConfig.type === NodeType.ROOT) {
|
||
this.set('root', newConfig as MApp);
|
||
return {
|
||
oldNode: node,
|
||
newNode: newConfig,
|
||
changeRecords,
|
||
};
|
||
}
|
||
|
||
const { parent } = info;
|
||
if (!parent) throw new Error('获取不到父级节点');
|
||
|
||
const parentNodeItems = parent.items;
|
||
const index = getNodeIndex(newConfig.id, parent);
|
||
|
||
if (!parentNodeItems || typeof index === 'undefined' || index === -1) throw new Error('更新的节点未找到');
|
||
|
||
const newLayout = await this.getLayout(newConfig);
|
||
const layout = await this.getLayout(node);
|
||
if (Array.isArray(newConfig.items) && newLayout !== layout) {
|
||
newConfig = setChildrenLayout(newConfig as MContainer, newLayout);
|
||
}
|
||
|
||
parentNodeItems[index] = newConfig;
|
||
|
||
// 当被更新节点正好在当前选中列表中时，必须同步引用，否则 state 会持有已被替换的旧节点
|
||
const selectedNodes = this.get('nodes');
|
||
const targetIndex = selectedNodes.findIndex((nodeItem: MNode) => `${nodeItem.id}` === `${newConfig.id}`);
|
||
if (targetIndex !== -1) {
|
||
selectedNodes.splice(targetIndex, 1, newConfig);
|
||
this.set('nodes', [...selectedNodes]);
|
||
}
|
||
|
||
// 只有被更新节点正好是当前选中页面时才同步 state.page，避免「更新非当前页」误将编辑器切到该页
|
||
if (isPage(newConfig) || isPageFragment(newConfig)) {
|
||
const currentPage = this.get('page');
|
||
if (currentPage && `${currentPage.id}` === `${newConfig.id}`) {
|
||
this.set('page', newConfig as MPage | MPageFragment);
|
||
}
|
||
}
|
||
|
||
this.addModifiedNodeId(newConfig.id);
|
||
|
||
return {
|
||
oldNode: node,
|
||
newNode: newConfig,
|
||
changeRecords,
|
||
};
|
||
}
|
||
|
||
/**
|
||
* 更新节点
|
||
* update后会触发依赖收集，收集完后会掉stage.update方法
|
||
* @param config 新的节点配置，配置中需要有id信息
|
||
* @param data 额外数据
|
||
* @param data.changeRecords 单节点 form 端变更记录（多节点场景下被忽略，使用 changeRecordList）
|
||
* @param data.changeRecordList 多节点 form 端变更记录列表，按 config 数组同序对应每个节点；优先级高于 changeRecords
|
||
* @param data.doNotPushHistory 是否不写入历史记录（默认 false）
|
||
* @param data.historyDescription 入栈时附带的人类可读描述，用于历史面板展示（不影响 undo/redo 行为）
|
||
* @returns 更新后的节点配置
|
||
*/
|
||
public async update(
|
||
config: MNode | MNode[],
|
||
data: {
|
||
changeRecords?: ChangeRecord[];
|
||
changeRecordList?: ChangeRecord[][];
|
||
doNotPushHistory?: boolean;
|
||
historyDescription?: string;
|
||
historySource?: HistoryOpSource;
|
||
} = {},
|
||
): Promise<MNode | MNode[]> {
|
||
this.captureSelectionBeforeOp();
|
||
|
||
const { doNotPushHistory = false, changeRecordList, changeRecords, historyDescription, historySource } = data;
|
||
|
||
const nodes = Array.isArray(config) ? config : [config];
|
||
|
||
// 多节点必须使用 changeRecordList 为每个节点提供独立的记录；
|
||
// 否则同一份 changeRecords 会被复用到每个节点上，nodeUpdateHandler / 历史回放都会按错误的 propPath 处理。
|
||
const updateData = await Promise.all(
|
||
nodes.map((node, index) => {
|
||
const recordsForNode = changeRecordList ? (changeRecordList[index] ?? []) : (changeRecords ?? []);
|
||
return this.doUpdate(node, { changeRecords: recordsForNode });
|
||
}),
|
||
);
|
||
|
||
if (updateData[0].oldNode?.type !== NodeType.ROOT) {
|
||
const curNodes = this.get('nodes');
|
||
if (curNodes.length) {
|
||
if (!doNotPushHistory) {
|
||
const pageForOp = this.getNodeInfo(nodes[0].id, false).page;
|
||
this.pushOpHistory('update', {
|
||
extra: {
|
||
updatedItems: updateData.map((d) => ({
|
||
oldNode: cloneDeep(d.oldNode),
|
||
newNode: cloneDeep(toRaw(d.newNode)),
|
||
// 每个节点单独保留自己的 changeRecords，便于撤销/重做时按 propPath 精细化更新；
|
||
// 没有 changeRecords 的（如内部 sort/moveLayer 等整节点替换操作）会退化为全节点替换。
|
||
changeRecords: d.changeRecords?.length ? cloneDeep(d.changeRecords) : undefined,
|
||
})),
|
||
},
|
||
pageData: { name: pageForOp?.name || '', id: pageForOp!.id },
|
||
historyDescription,
|
||
source: historySource,
|
||
});
|
||
} else {
|
||
this.selectionBeforeOp = null;
|
||
}
|
||
}
|
||
}
|
||
|
||
this.emit('update', updateData);
|
||
return Array.isArray(config) ? updateData.map((item) => item.newNode) : updateData[0].newNode;
|
||
}
|
||
|
||
/**
|
||
* 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
|
||
* @param options 可选配置
|
||
* @param options.doNotSelect 排序后是否不更新当前选中节点（默认 false）
|
||
* @param options.doNotSwitchPage 排序后是否不切换当前页面（排序只发生在同一父节点内，方法内为空操作；保留以与其它 DSL 操作 API 一致）
|
||
* @param options.doNotPushHistory 是否不写入历史记录（默认 false）
|
||
* @returns void
|
||
*/
|
||
public async sort(
|
||
id1: Id,
|
||
id2: Id,
|
||
{ doNotSelect = false, doNotPushHistory = false, historySource }: DslOpOptions = {},
|
||
): Promise<void> {
|
||
this.captureSelectionBeforeOp();
|
||
|
||
const root = this.get('root');
|
||
if (!root) throw new Error('root为空');
|
||
|
||
const node = this.get('node');
|
||
if (!node) throw new Error('当前节点为空');
|
||
|
||
const parent = cloneDeep(toRaw(this.get('parent')));
|
||
if (!parent) throw new Error('父节点为空');
|
||
|
||
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}`);
|
||
|
||
parent.items.splice(index2, 0, ...parent.items.splice(index1, 1));
|
||
|
||
await this.update(parent, { doNotPushHistory, historySource });
|
||
if (!doNotSelect) {
|
||
await this.select(node);
|
||
}
|
||
|
||
this.get('stage')?.update({
|
||
config: cloneDeep(node),
|
||
parentId: parent.id,
|
||
root: cloneDeep(root),
|
||
});
|
||
}
|
||
|
||
/**
|
||
* 将组件节点配置存储到localStorage中
|
||
* @param config 组件节点配置
|
||
* @returns
|
||
*/
|
||
public copy(config: MNode | MNode[]): void {
|
||
storageService.setItem(COPY_STORAGE_KEY, Array.isArray(config) ? config : [config], {
|
||
protocol: Protocol.OBJECT,
|
||
});
|
||
}
|
||
|
||
/**
|
||
* 复制时会带上组件关联的依赖
|
||
* @param config 组件节点配置
|
||
* @returns
|
||
*/
|
||
public copyWithRelated(config: MNode | MNode[], collectorOptions?: TargetOptions): void {
|
||
const copyNodes: MNode[] = Array.isArray(config) ? config : [config];
|
||
|
||
if (collectorOptions && typeof collectorOptions.isTarget === 'function') {
|
||
collectRelatedNodes(copyNodes, collectorOptions, (id) => this.getNodeById(id));
|
||
}
|
||
|
||
storageService.setItem(COPY_STORAGE_KEY, copyNodes, {
|
||
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
|
||
* @param collectorOptions 可选的依赖收集器配置
|
||
* @param options 可选配置
|
||
* @param options.doNotSelect 粘贴后是否不更新当前选中节点（默认 false）
|
||
* @param options.doNotSwitchPage 粘贴后是否不切换当前页面（默认 false；跨页粘贴时为 true 会跳过页面切换）
|
||
* @param options.doNotPushHistory 是否不写入历史记录（默认 false）
|
||
* @returns 添加后的组件节点配置
|
||
*/
|
||
public async paste(
|
||
position: PastePosition = {},
|
||
collectorOptions?: TargetOptions,
|
||
{
|
||
doNotSelect = false,
|
||
doNotSwitchPage = false,
|
||
doNotPushHistory = false,
|
||
historyDescription,
|
||
historySource,
|
||
}: DslOpOptions = {},
|
||
): Promise<MNode | MNode[] | void> {
|
||
const config: MNode[] = storageService.getItem(COPY_STORAGE_KEY);
|
||
if (!Array.isArray(config)) return;
|
||
|
||
const node = this.get('node');
|
||
|
||
let parent: MContainer | null = null;
|
||
// 粘贴的组件为当前选中组件的副本时，则添加到当前选中组件的父组件中
|
||
if (config.length === 1 && config[0].id === node?.id) {
|
||
parent = this.get('parent');
|
||
if (parent?.type === NodeType.ROOT) {
|
||
parent = this.get('page');
|
||
}
|
||
}
|
||
const pasteConfigs = await this.doPaste(config, position);
|
||
|
||
if (collectorOptions && typeof collectorOptions.isTarget === 'function') {
|
||
propsService.replaceRelateId(config, pasteConfigs, collectorOptions);
|
||
}
|
||
|
||
return this.add(pasteConfigs, parent, {
|
||
doNotSelect,
|
||
doNotSwitchPage,
|
||
doNotPushHistory,
|
||
historyDescription,
|
||
historySource,
|
||
});
|
||
}
|
||
|
||
public async doPaste(config: MNode[], position: PastePosition = {}): Promise<MNode[]> {
|
||
propsService.clearRelateId();
|
||
const doc = this.get('stage')?.renderer?.contentWindow?.document;
|
||
const pasteConfigs = beforePaste(position, cloneDeep(config), doc);
|
||
return pasteConfigs;
|
||
}
|
||
|
||
public async doAlignCenter(config: MNode): Promise<MNode> {
|
||
const parent = this.getParentById(config.id);
|
||
if (!parent) throw new Error('找不到父节点');
|
||
|
||
const node = cloneDeep(toRaw(config));
|
||
const layout = await this.getLayout(parent, node);
|
||
const doc = this.get('stage')?.renderer?.contentWindow?.document;
|
||
const newStyle = calcAlignCenterStyle(node, parent, layout, doc);
|
||
|
||
if (!newStyle) return config;
|
||
|
||
node.style = newStyle;
|
||
return node;
|
||
}
|
||
|
||
/**
|
||
* 将指点节点设置居中
|
||
* @param config 组件节点配置
|
||
* @param options 可选配置
|
||
* @param options.doNotSelect 居中后是否不更新当前选中节点（默认 false）
|
||
* @param options.doNotSwitchPage 居中后是否不切换当前页面（居中只更新节点 style，方法内为空操作；保留以与其它 DSL 操作 API 一致）
|
||
* @param options.doNotPushHistory 是否不写入历史记录（默认 false）
|
||
* @returns 当前组件节点配置
|
||
*/
|
||
public async alignCenter(
|
||
config: MNode | MNode[],
|
||
{ doNotSelect = false, doNotPushHistory = false, historyDescription, historySource }: DslOpOptions = {},
|
||
): Promise<MNode | MNode[]> {
|
||
const nodes = Array.isArray(config) ? config : [config];
|
||
const stage = this.get('stage');
|
||
|
||
const newNodes = await Promise.all(nodes.map((node) => this.doAlignCenter(node)));
|
||
|
||
const newNode = await this.update(newNodes, { doNotPushHistory, historyDescription, historySource });
|
||
|
||
if (!doNotSelect) {
|
||
if (newNodes.length > 1) {
|
||
await stage?.multiSelect(newNodes.map((node) => node.id));
|
||
} else {
|
||
await stage?.select(newNodes[0].id);
|
||
}
|
||
}
|
||
|
||
return newNode;
|
||
}
|
||
|
||
/**
|
||
* 移动当前选中节点位置
|
||
* @param offset 偏移量
|
||
* @param options 可选配置
|
||
* @param options.doNotPushHistory 是否不写入历史记录（默认 false）
|
||
*/
|
||
public async moveLayer(
|
||
offset: number | LayerOffset,
|
||
{ doNotPushHistory = false, historyDescription, historySource }: DslOpOptions = {},
|
||
): Promise<void> {
|
||
this.captureSelectionBeforeOp();
|
||
|
||
const root = this.get('root');
|
||
if (!root) throw new Error('root为空');
|
||
|
||
const parent = this.get('parent');
|
||
if (!parent) throw new Error('父节点为空');
|
||
|
||
const node = this.get('node');
|
||
if (!node) throw new Error('当前节点为空');
|
||
|
||
const brothers: MNode[] = parent.items || [];
|
||
const index = brothers.findIndex((item) => `${item.id}` === `${node?.id}`);
|
||
|
||
const layout = await this.getLayout(parent, node);
|
||
const isRelative = layout === Layout.RELATIVE;
|
||
const offsetIndex = calcLayerTargetIndex(index, offset, brothers.length, isRelative);
|
||
|
||
if ((offsetIndex > 0 && offsetIndex > brothers.length) || offsetIndex < 0) {
|
||
return;
|
||
}
|
||
|
||
const oldParent = cloneDeep(toRaw(parent));
|
||
|
||
brothers.splice(index, 1);
|
||
brothers.splice(offsetIndex, 0, node);
|
||
|
||
const grandparent = this.getParentById(parent.id);
|
||
|
||
this.get('stage')?.update({
|
||
config: cloneDeep(toRaw(parent)),
|
||
parentId: grandparent?.id,
|
||
root: cloneDeep(root),
|
||
});
|
||
|
||
this.addModifiedNodeId(parent.id);
|
||
if (!doNotPushHistory) {
|
||
const pageForOp = this.getNodeInfo(node.id, false).page;
|
||
this.pushOpHistory(
|
||
'update',
|
||
|
||
{
|
||
extra: {
|
||
updatedItems: [{ oldNode: oldParent, newNode: cloneDeep(toRaw(parent)) }],
|
||
},
|
||
pageData: { name: pageForOp?.name || '', id: pageForOp!.id },
|
||
historyDescription,
|
||
source: historySource,
|
||
},
|
||
);
|
||
} else {
|
||
this.selectionBeforeOp = null;
|
||
}
|
||
|
||
this.emit('move-layer', offset);
|
||
}
|
||
|
||
/**
|
||
* 移动一个或多个节点到指定容器中。
|
||
*
|
||
* 多选场景（config 是数组）只会产生一条历史记录，
|
||
* `updatedItems` 涵盖所有源父容器 + 目标容器的前后快照。
|
||
* 这避免了"多选移动到某容器"在历史栈里被切成 N 条记录。
|
||
*
|
||
* @param config 需要移动的节点（或节点数组，各项需带 id；style 等字段会与原节点合并）
|
||
* @param targetId 容器ID
|
||
* @param options 可选配置
|
||
* @param options.doNotSelect 移动后是否不更新当前选中节点（默认 false）
|
||
* @param options.doNotSwitchPage 移动后是否不切换当前页面（默认 false；目标容器位于其它页面时为 true 会跳过自动选中以避免页面切换）
|
||
* @param options.doNotPushHistory 是否不写入历史记录（默认 false）
|
||
*/
|
||
public async moveToContainer(
|
||
config: MNode | MNode[],
|
||
targetId: Id,
|
||
{
|
||
doNotSelect = false,
|
||
doNotSwitchPage = false,
|
||
doNotPushHistory = false,
|
||
historyDescription,
|
||
historySource,
|
||
}: DslOpOptions = {},
|
||
): Promise<MNode | MNode[]> {
|
||
const isBatch = Array.isArray(config);
|
||
const configs = (isBatch ? config : [config]).filter((item) => !(isPage(item) || isPageFragment(item)));
|
||
|
||
if (configs.length === 0) {
|
||
throw new Error('没有可移动的节点');
|
||
}
|
||
|
||
this.captureSelectionBeforeOp();
|
||
|
||
const target = this.getNodeById(targetId, false) as MContainer;
|
||
|
||
if (!target) {
|
||
throw new Error('目标容器不存在');
|
||
}
|
||
|
||
const root = this.get('root');
|
||
const stage = this.get('stage');
|
||
|
||
if (!root || !stage) {
|
||
throw new Error('root 或 stage为空');
|
||
}
|
||
|
||
// 收集 (节点, 源父) 信息，过滤掉异常节点（找不到父或源父等于目标本身）
|
||
const moves: MoveItem[] = [];
|
||
for (const { id } of configs) {
|
||
const { node, parent, page } = this.getNodeInfo(id, false);
|
||
if (!node || !parent) continue;
|
||
moves.push({ node, parent, pageForOp: page ? { name: page.name || '', id: page.id } : null });
|
||
}
|
||
|
||
if (moves.length === 0) {
|
||
throw new Error('没有可移动的节点');
|
||
}
|
||
|
||
// 记录所有涉及的源父容器（按 id 去重）+ 目标容器的前置快照；同一父容器只快照一次。
|
||
const beforeSnapshots = new Map<Id, MNode>();
|
||
beforeSnapshots.set(target.id, cloneDeep(toRaw(target)));
|
||
for (const { parent } of moves) {
|
||
if (!beforeSnapshots.has(parent.id)) {
|
||
beforeSnapshots.set(parent.id, cloneDeep(toRaw(parent)));
|
||
}
|
||
}
|
||
|
||
let newConfigs: MNode[] = [];
|
||
|
||
const moveNodes = moves.map(({ node }) => node);
|
||
await this.remove(moveNodes, { doNotPushHistory: true, doNotSelect, doNotSwitchPage: true });
|
||
|
||
newConfigs = (await this.add(moveNodes, target, {
|
||
doNotPushHistory: true,
|
||
doNotSelect,
|
||
doNotSwitchPage,
|
||
})) as MNode[];
|
||
|
||
if (!doNotPushHistory) {
|
||
// 整批只入栈一条历史：updatedItems 包含所有源父容器 + 目标容器的前后快照（撤销/重做最小依赖）。
|
||
const updatedItems = Array.from(beforeSnapshots.entries()).map(([id, oldNode]) => ({
|
||
oldNode,
|
||
newNode: cloneDeep(toRaw(this.getNodeById(id, false))) as MNode,
|
||
}));
|
||
const historyPage = moves[0].pageForOp ?? { name: '', id: target.id };
|
||
this.pushOpHistory('update', {
|
||
extra: { updatedItems },
|
||
pageData: historyPage,
|
||
historyDescription,
|
||
source: historySource,
|
||
});
|
||
} else {
|
||
this.selectionBeforeOp = null;
|
||
}
|
||
|
||
return isBatch ? newConfigs : newConfigs[0];
|
||
}
|
||
|
||
public async dragTo(
|
||
config: MNode | MNode[],
|
||
targetParent: MContainer,
|
||
targetIndex: number,
|
||
{ doNotPushHistory = false, historyDescription, historySource }: DslOpOptions = {},
|
||
) {
|
||
this.captureSelectionBeforeOp();
|
||
|
||
if (!targetParent || !Array.isArray(targetParent.items)) return;
|
||
|
||
const configs = Array.isArray(config) ? config : [config];
|
||
|
||
const beforeSnapshots = new Map<string, MNode>();
|
||
for (const cfg of configs) {
|
||
const { parent } = this.getNodeInfo(cfg.id, false);
|
||
if (parent && !beforeSnapshots.has(`${parent.id}`)) {
|
||
beforeSnapshots.set(`${parent.id}`, cloneDeep(toRaw(parent)));
|
||
}
|
||
}
|
||
if (!beforeSnapshots.has(`${targetParent.id}`)) {
|
||
beforeSnapshots.set(`${targetParent.id}`, cloneDeep(toRaw(targetParent)));
|
||
}
|
||
|
||
const newLayout = await this.getLayout(targetParent);
|
||
const { sameParentIndices, crossParentConfigs, aborted } = classifyDragSources(configs, targetParent, (id, raw) =>
|
||
this.getNodeInfo(id, raw),
|
||
);
|
||
if (aborted) return;
|
||
|
||
for (const { config: crossConfig, parent } of crossParentConfigs) {
|
||
const layout = await this.getLayout(parent);
|
||
if (newLayout !== layout) {
|
||
setLayout(crossConfig, newLayout);
|
||
}
|
||
const index = getNodeIndex(crossConfig.id, parent);
|
||
parent.items?.splice(index, 1);
|
||
this.addModifiedNodeId(parent.id);
|
||
}
|
||
|
||
moveItemsInContainer(sameParentIndices, targetParent, targetIndex);
|
||
|
||
crossParentConfigs.forEach(({ config: crossConfig }, index) => {
|
||
targetParent.items?.splice(targetIndex + index, 0, crossConfig);
|
||
this.addModifiedNodeId(crossConfig.id);
|
||
});
|
||
|
||
const page = this.get('page');
|
||
const root = this.get('root');
|
||
const stage = this.get('stage');
|
||
|
||
if (stage && page && root) {
|
||
stage.update({
|
||
config: cloneDeep(page),
|
||
parentId: root.id,
|
||
root: cloneDeep(root),
|
||
});
|
||
}
|
||
|
||
const updatedItems: { oldNode: MNode; newNode: MNode }[] = [];
|
||
for (const oldNode of beforeSnapshots.values()) {
|
||
const newNode = this.getNodeById(oldNode.id, false);
|
||
if (newNode) {
|
||
updatedItems.push({ oldNode, newNode: cloneDeep(toRaw(newNode)) });
|
||
}
|
||
}
|
||
if (!doNotPushHistory) {
|
||
const pageForOp = this.getNodeInfo(configs[0].id, false).page;
|
||
this.pushOpHistory('update', {
|
||
extra: { updatedItems },
|
||
pageData: { name: pageForOp?.name || '', id: pageForOp!.id },
|
||
historyDescription,
|
||
source: historySource,
|
||
});
|
||
} else {
|
||
this.selectionBeforeOp = null;
|
||
}
|
||
|
||
this.emit('drag-to', { targetIndex, configs, targetParent });
|
||
}
|
||
|
||
/**
|
||
* 撤销当前操作
|
||
* @returns 被撤销的操作
|
||
*/
|
||
public async undo(): Promise<StepValue | null> {
|
||
const value = historyService.undo();
|
||
if (value) {
|
||
await this.applyHistoryOp(value, true);
|
||
}
|
||
return value;
|
||
}
|
||
|
||
/**
|
||
* 恢复到下一步
|
||
* @returns 被恢复的操作
|
||
*/
|
||
public async redo(): Promise<StepValue | null> {
|
||
const value = historyService.redo();
|
||
if (value) {
|
||
await this.applyHistoryOp(value, false);
|
||
}
|
||
return value;
|
||
}
|
||
|
||
/**
|
||
* 「回滚」指定页面历史步骤（类 git revert 语义）：
|
||
* - 不动原始历史栈结构（不移动 cursor、不丢弃任何步骤）；
|
||
* - 取出 `index` 对应的 step，**反向应用**一次（add→remove / remove→add / update→旧值）；
|
||
* - 把这次反向应用作为一条**新步骤**追加到栈顶，可被普通 undo / redo。
|
||
*
|
||
* 与 `gotoPageStep`（类 git reset）的区别在于此操作**不丢弃**目标之后的历史。
|
||
* 与 `applyHistoryOp(reverse=true)` 的区别在于：本方法**不带** `doNotPushHistory`，
|
||
* 反向应用会以一条新 step 入栈；并且不实施 step 中保存的选区与 modifiedNodeIds 状态，
|
||
* 选区由用户当前位置决定，符合"新提交"语义。
|
||
*
|
||
* 仅对处于「已应用」状态的步骤生效——未应用的步骤本身就不存在于当前 DSL 中，反向无意义。
|
||
*
|
||
* @param index 目标 step 在所属页面栈中的索引（0 为最早），通常由历史面板传入
|
||
* @returns 反向后产生的新 step；目标不存在 / 未应用 / 反向失败时返回 null
|
||
*/
|
||
public async revertPageStep(index: number): Promise<StepValue | null> {
|
||
const list = historyService.getPageStepList();
|
||
const entry = list[index];
|
||
if (!entry?.applied) return null;
|
||
|
||
const { step } = entry;
|
||
const root = this.get('root');
|
||
if (!root) return null;
|
||
|
||
// 更新类步骤必须带 changeRecords 才支持回滚：缺失时只能整节点替换，会冲掉后续无关变更，故不支持。
|
||
if (step.opType === 'update') {
|
||
const items = step.updatedItems ?? [];
|
||
if (!items.length || !items.every((item) => item.changeRecords?.length)) return null;
|
||
}
|
||
|
||
// 反向应用产生的新 step 由内部 pushOpHistory 触发 history `change` 事件，监听一次以拿到引用。
|
||
let revertedStep: StepValue | null = null;
|
||
const captureRevert = (s: StepValue) => {
|
||
revertedStep = s;
|
||
};
|
||
historyService.once('change', captureRevert);
|
||
|
||
const historyDescription = `回滚 #${index + 1}: ${describeStepForRevert(step)}`;
|
||
// revert 走 public add/remove/update，让操作以一条普通新 step 入栈；不要切换选区与页面，避免打断用户。
|
||
const opts = { doNotSelect: true, doNotSwitchPage: true, historyDescription, historySource: 'rollback' } as const;
|
||
|
||
try {
|
||
switch (step.opType) {
|
||
case 'add': {
|
||
// 原本是新增 → revert 即删除当时被加入的节点
|
||
const nodes = step.nodes ?? [];
|
||
for (const n of nodes) {
|
||
const existing = this.getNodeById(n.id, false);
|
||
if (existing) {
|
||
await this.remove(existing, opts);
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
case 'remove': {
|
||
// 原本是删除 → revert 即把节点按原父容器加回来。
|
||
// 按原 index 升序逐个插回，先小后大避免索引漂移。
|
||
const items = step.removedItems ?? [];
|
||
const sorted = [...items].sort((a, b) => a.index - b.index);
|
||
for (const { node, parentId } of sorted) {
|
||
const parent = this.getNodeById(parentId, false) as MContainer | null;
|
||
if (parent) {
|
||
await this.add([cloneDeep(node)] as MNode[], parent, opts);
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
case 'update': {
|
||
// 原本是更新 → revert 即把 oldNode 的值写回；
|
||
// 优先按 changeRecords 局部 patch（仅触达 propPath 下的字段，避免冲掉同节点上其它无关变更）。
|
||
const items = step.updatedItems ?? [];
|
||
const configs = items.map(({ oldNode, newNode, changeRecords }) => {
|
||
if (changeRecords?.length) {
|
||
const patch: MNode = { id: newNode.id, type: newNode.type };
|
||
for (const record of changeRecords) {
|
||
if (!record.propPath) {
|
||
// 没有 propPath 视为整节点替换
|
||
return cloneDeep(oldNode);
|
||
}
|
||
const value = cloneDeep(getValueByKeyPath(record.propPath, oldNode));
|
||
setValueByKeyPath(record.propPath, value, patch);
|
||
}
|
||
return patch;
|
||
}
|
||
return cloneDeep(oldNode);
|
||
});
|
||
if (configs.length) {
|
||
await this.update(configs, { historyDescription, historySource: 'rollback' });
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
} finally {
|
||
historyService.off('change', captureRevert);
|
||
}
|
||
|
||
// 通知一次 history-change，让上层（如属性面板）按当前最新 DSL 刷新
|
||
const page = toRaw(this.get('page'));
|
||
if (page) {
|
||
this.emit('history-change', page as MPage | MPageFragment);
|
||
}
|
||
|
||
return revertedStep;
|
||
}
|
||
|
||
/**
|
||
* 跳转当前页面历史栈到指定游标位置。
|
||
*
|
||
* `targetCursor` 与 `UndoRedo.getCursor()` 同义：表示"已应用步骤数量"，
|
||
* 取值范围 `[0, length]`。当目标 < 当前游标时循环 undo，否则循环 redo。
|
||
* 通常由历史面板传入「点击的 step.index + 1」作为目标。
|
||
*
|
||
* @returns 实际移动到的最终游标位置
|
||
*/
|
||
public async gotoPageStep(targetCursor: number): Promise<number> {
|
||
let cursor = historyService.getPageCursor();
|
||
const { length } = historyService.getPageStepList();
|
||
const target = Math.max(0, Math.min(targetCursor, length));
|
||
while (cursor > target) {
|
||
const step = await this.undo();
|
||
if (!step) break;
|
||
cursor -= 1;
|
||
}
|
||
while (cursor < target) {
|
||
const step = await this.redo();
|
||
if (!step) break;
|
||
cursor += 1;
|
||
}
|
||
return cursor;
|
||
}
|
||
|
||
public async move(
|
||
left: number,
|
||
top: number,
|
||
{ doNotPushHistory = false, historyDescription, historySource }: DslOpOptions = {},
|
||
) {
|
||
const node = toRaw(this.get('node'));
|
||
if (!node || isPage(node)) return;
|
||
|
||
const newStyle = calcMoveStyle(node.style || {}, left, top);
|
||
if (!newStyle) return;
|
||
|
||
await this.update(
|
||
{ id: node.id, type: node.type, style: newStyle },
|
||
{ doNotPushHistory, historyDescription, historySource },
|
||
);
|
||
}
|
||
|
||
public resetState() {
|
||
this.set('root', null);
|
||
this.set('node', null);
|
||
this.set('nodes', []);
|
||
this.set('page', null);
|
||
this.set('parent', null);
|
||
this.set('stage', null);
|
||
this.set('highlightNode', null);
|
||
this.set('modifiedNodeIds', new Map());
|
||
this.set('pageLength', 0);
|
||
}
|
||
|
||
public destroy() {
|
||
this.removeAllListeners();
|
||
this.resetState();
|
||
this.removeAllPlugins();
|
||
}
|
||
|
||
public resetModifiedNodeId() {
|
||
this.get('modifiedNodeIds').clear();
|
||
}
|
||
|
||
public usePlugin(options: AsyncHookPlugin<AsyncMethodName, Editor>): void {
|
||
super.usePlugin(options);
|
||
}
|
||
|
||
public on<Name extends keyof EditorEvents, Param extends EditorEvents[Name]>(
|
||
eventName: Name,
|
||
listener: (...args: Param) => void | Promise<void>,
|
||
) {
|
||
return super.on(eventName, listener as any);
|
||
}
|
||
|
||
public once<Name extends keyof EditorEvents, Param extends EditorEvents[Name]>(
|
||
eventName: Name,
|
||
listener: (...args: Param) => void | Promise<void>,
|
||
) {
|
||
return super.once(eventName, listener as any);
|
||
}
|
||
|
||
public emit<Name extends keyof EditorEvents, Param extends EditorEvents[Name]>(eventName: Name, ...args: Param) {
|
||
return super.emit(eventName, ...args);
|
||
}
|
||
|
||
private addModifiedNodeId(id: Id) {
|
||
this.get('modifiedNodeIds').set(id, id);
|
||
}
|
||
|
||
private captureSelectionBeforeOp() {
|
||
if (this.selectionBeforeOp) return;
|
||
this.selectionBeforeOp = this.get('nodes').map((n) => n.id);
|
||
}
|
||
|
||
private pushOpHistory(
|
||
opType: HistoryOpType,
|
||
{
|
||
extra,
|
||
pageData,
|
||
historyDescription,
|
||
source,
|
||
}: {
|
||
extra: Partial<StepValue>;
|
||
pageData: { name: string; id: Id };
|
||
historyDescription?: string;
|
||
source?: HistoryOpSource;
|
||
},
|
||
) {
|
||
const step: StepValue = {
|
||
data: pageData,
|
||
opType,
|
||
selectedBefore: this.selectionBeforeOp ?? [],
|
||
selectedAfter: this.get('nodes').map((n) => n.id),
|
||
modifiedNodeIds: new Map(this.get('modifiedNodeIds')),
|
||
...extra,
|
||
};
|
||
if (historyDescription) step.historyDescription = historyDescription;
|
||
if (source) step.source = source;
|
||
// 显式按 step.data.id 入栈：跨页操作（如 moveToContainer 从源页搬到目标页）
|
||
// 必须落到正确的页面栈，否则会把记录错误地推到当前活动页 / 操作发起页。
|
||
historyService.push(step, pageData.id);
|
||
this.selectionBeforeOp = null;
|
||
}
|
||
|
||
/**
|
||
* 应用历史操作（撤销 / 重做）
|
||
*
|
||
* 所有 DSL 修改都走 `editor.add / remove / update`，并通过 `doNotPushHistory` 阻止再次入栈、
|
||
* `doNotSelect / doNotSwitchPage` 让选区由方法末尾的统一逻辑兜底。
|
||
*
|
||
* 注意：这些公开方法会发出 add / remove / update 事件，业务侧若需要区分"用户操作"与"撤销重做触发"，
|
||
* 请监听 `history-change` 事件配合判断。
|
||
*
|
||
* @param step 操作记录
|
||
* @param reverse true = 撤销，false = 重做
|
||
*/
|
||
private async applyHistoryOp(step: StepValue, reverse: boolean) {
|
||
const root = this.get('root');
|
||
const stage = this.get('stage');
|
||
if (!root) return;
|
||
|
||
const commonOpts = { doNotSelect: true, doNotSwitchPage: true, doNotPushHistory: true } as const;
|
||
|
||
switch (step.opType) {
|
||
case 'add': {
|
||
const nodes = step.nodes ?? [];
|
||
if (reverse) {
|
||
// 撤销 add：把当时加入的节点删除
|
||
for (const n of nodes) {
|
||
const existing = this.getNodeById(n.id, false);
|
||
if (existing) {
|
||
await this.remove(existing, commonOpts);
|
||
}
|
||
}
|
||
} else {
|
||
// 重做 add：按记录的 indexMap 把节点重新插回父容器
|
||
const parent = this.getNodeById(step.parentId!, false) as MContainer | null;
|
||
if (parent) {
|
||
// 按目标 index 升序逐个插入，先小后大避免索引漂移
|
||
const sorted = [...nodes].sort((a, b) => (step.indexMap?.[a.id] ?? 0) - (step.indexMap?.[b.id] ?? 0));
|
||
for (const n of sorted) {
|
||
const idx = step.indexMap?.[n.id];
|
||
if (parent.items) {
|
||
if (typeof idx === 'number' && idx >= 0 && idx < parent.items.length) {
|
||
parent.items.splice(idx, 0, cloneDeep(n));
|
||
} else {
|
||
parent.items.push(cloneDeep(n));
|
||
}
|
||
await stage?.add({
|
||
config: cloneDeep(n),
|
||
parent: cloneDeep(parent),
|
||
parentId: parent.id,
|
||
root: cloneDeep(root),
|
||
});
|
||
}
|
||
}
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
case 'remove': {
|
||
const items = step.removedItems ?? [];
|
||
if (reverse) {
|
||
// 撤销 remove：按原 index 升序逐个插回（先小后大避免索引漂移）
|
||
const sorted = [...items].sort((a, b) => a.index - b.index);
|
||
for (const { node, parentId, index } of sorted) {
|
||
const parent = this.getNodeById(parentId, false) as MContainer | null;
|
||
if (parent?.items) {
|
||
parent.items.splice(index, 0, cloneDeep(node));
|
||
await stage?.add({
|
||
config: cloneDeep(node),
|
||
parent: cloneDeep(parent),
|
||
parentId,
|
||
root: cloneDeep(root),
|
||
});
|
||
}
|
||
}
|
||
} else {
|
||
// 重做 remove：再删一次
|
||
for (const { node } of items) {
|
||
const existing = this.getNodeById(node.id, false);
|
||
if (existing) {
|
||
await this.remove(existing, commonOpts);
|
||
}
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
case 'update': {
|
||
const items = step.updatedItems ?? [];
|
||
// 优先按 changeRecords 局部 patch：仅触达 propPath 下的字段，避免整节点替换冲掉同节点上其它无关变更。
|
||
// 没有 changeRecords 的（如内部 sort/moveLayer/拖动等整节点快照场景）才退化为整节点替换。
|
||
const configs = items.map(({ oldNode, newNode, changeRecords }) => {
|
||
if (changeRecords?.length) {
|
||
const sourceForValues = reverse ? oldNode : newNode;
|
||
// 仅保留 id / type 作为最小骨架，再按 propPath 写入需要回滚/重做的字段；
|
||
// 后续 update -> mergeWith 会与现有节点深合并，patch 中未涉及的字段不会被改动。
|
||
const patch: MNode = { id: newNode.id, type: newNode.type };
|
||
for (const record of changeRecords) {
|
||
if (!record.propPath) {
|
||
// 没有 propPath 视为整节点替换
|
||
return cloneDeep(sourceForValues);
|
||
}
|
||
const value = cloneDeep(getValueByKeyPath(record.propPath, sourceForValues));
|
||
setValueByKeyPath(record.propPath, value, patch);
|
||
}
|
||
return patch;
|
||
}
|
||
return cloneDeep(reverse ? oldNode : newNode);
|
||
});
|
||
if (configs.length) {
|
||
await this.update(configs, { doNotPushHistory: true });
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
|
||
this.set('modifiedNodeIds', step.modifiedNodeIds);
|
||
|
||
const page = toRaw(this.get('page'));
|
||
if (page) {
|
||
const selectIds = reverse ? step.selectedBefore : step.selectedAfter;
|
||
setTimeout(() => {
|
||
if (!selectIds.length) return;
|
||
|
||
if (selectIds.length > 1) {
|
||
this.multiSelect(selectIds);
|
||
stage?.multiSelect(selectIds);
|
||
} else {
|
||
this.select(selectIds[0])
|
||
.then(() => stage?.select(selectIds[0]))
|
||
.catch(() => {});
|
||
}
|
||
}, 0);
|
||
this.emit('history-change', page as MPage | MPageFragment);
|
||
}
|
||
}
|
||
|
||
private selectedConfigExceptionHandler(config: MNode | Id): EditorNodeInfo {
|
||
return resolveSelectedNode(config, (id) => this.getNodeInfo(id), this.state.root?.id);
|
||
}
|
||
}
|
||
|
||
export type EditorService = Editor;
|
||
|
||
export default new Editor();
|