mirror of
https://github.com/Tencent/tmagic-editor.git
synced 2025-04-05 19:41:40 +08:00
1141 lines
32 KiB
TypeScript
1141 lines
32 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) 2023 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, get, isObject, mergeWith, uniq } from 'lodash-es';
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import type { Writable } from 'type-fest';
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import type { Id, MApp, MContainer, MNode, MPage, MPageFragment, TargetOptions } from '@tmagic/core';
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import { NodeType, Target, Watcher } 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 {
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calcValueByFontsize,
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getElById,
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getNodeInfo,
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getNodePath,
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isNumber,
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isPage,
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isPageFragment,
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isPop,
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} 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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EditorNodeInfo,
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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 { 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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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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setChildrenLayout,
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setLayout,
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} from '@editor/utils/editor';
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import { beforePaste, getAddParent } from '@editor/utils/operator';
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export interface EditorEvents {
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'root-change': [value: StoreState['root'], preValue?: StoreState['root']];
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select: [node: MNode | null];
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add: [nodes: MNode[]];
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remove: [nodes: MNode[]];
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update: [nodes: { newNode: MNode; oldNode: MNode; changeRecords?: ChangeRecord[] }[]];
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'move-layer': [offset: number | LayerOffset];
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'drag-to': [data: { targetIndex: number; configs: MNode | MNode[]; targetParent: MContainer }];
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'history-change': [data: MPage | MPageFragment];
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}
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const canUsePluginMethods = {
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async: [
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'getLayout',
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'highlight',
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'select',
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'multiSelect',
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'doAdd',
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'add',
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'doRemove',
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'remove',
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'doUpdate',
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'update',
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'sort',
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'copy',
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'paste',
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'doPaste',
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'doAlignCenter',
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'alignCenter',
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'moveLayer',
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'moveToContainer',
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'dragTo',
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'undo',
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'redo',
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'move',
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] as const,
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sync: [],
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};
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type AsyncMethodName = Writable<(typeof canUsePluginMethods)['async']>;
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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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});
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private isHistoryStateChange = false;
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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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* 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 && typeof node !== 'function' && 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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* @returns 添加后的节点
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*/
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public async add(addNode: AddMNode | MNode[], parent?: MContainer | null): Promise<MNode | MNode[]> {
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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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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)) });
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} else {
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addNodes.push(...addNode);
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}
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const newNodes = await Promise.all(
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addNodes.map((node) => {
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const root = this.get('root');
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if ((isPage(node) || isPageFragment(node)) && root) {
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return this.doAdd(node, root);
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}
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const parentNode = parent && typeof parent !== 'function' ? parent : getAddParent(node);
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if (!parentNode) throw new Error('未找到父元素');
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return this.doAdd(node, parentNode);
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}),
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);
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if (newNodes.length > 1) {
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const newNodeIds = newNodes.map((node) => node.id);
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// 触发选中样式
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stage?.multiSelect(newNodeIds);
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await this.multiSelect(newNodeIds);
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} else {
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await this.select(newNodes[0]);
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if (isPage(newNodes[0])) {
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this.state.pageLength += 1;
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} else if (isPageFragment(newNodes[0])) {
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this.state.pageFragmentLength += 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(newNodes[0].id);
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}
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}
|
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if (!(isPage(newNodes[0]) || isPageFragment(newNodes[0]))) {
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this.pushHistoryState();
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}
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this.emit('add', newNodes);
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return Array.isArray(addNode) ? newNodes : newNodes[0];
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}
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public async doRemove(node: MNode): Promise<void> {
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const root = this.get('root');
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if (!root) throw new Error('root不能为空');
|
||
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const { parent, node: curNode } = this.getNodeInfo(node.id, false);
|
||
|
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if (!parent || !curNode) throw new Error('找不要删除的节点');
|
||
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||
const index = getNodeIndex(curNode.id, parent);
|
||
|
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if (typeof index !== 'number' || index === -1) throw new Error('找不要删除的节点');
|
||
|
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parent.items?.splice(index, 1);
|
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const stage = this.get('stage');
|
||
stage?.remove({ id: node.id, parentId: parent.id, root: cloneDeep(root) });
|
||
|
||
const selectDefault = async (pages: MNode[]) => {
|
||
if (pages[0]) {
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||
await this.select(pages[0]);
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||
stage?.select(pages[0].id);
|
||
} else {
|
||
this.selectRoot();
|
||
|
||
historyService.resetPage();
|
||
}
|
||
};
|
||
|
||
const rootItems = root.items || [];
|
||
|
||
if (isPage(node)) {
|
||
this.state.pageLength -= 1;
|
||
|
||
await selectDefault(rootItems);
|
||
} else if (isPageFragment(node)) {
|
||
this.state.pageFragmentLength -= 1;
|
||
|
||
await selectDefault(rootItems);
|
||
} else {
|
||
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
|
||
*/
|
||
public async remove(nodeOrNodeList: MNode | MNode[]): Promise<void> {
|
||
const nodes = Array.isArray(nodeOrNodeList) ? nodeOrNodeList : [nodeOrNodeList];
|
||
|
||
await Promise.all(nodes.map((node) => this.doRemove(node)));
|
||
|
||
if (!(isPage(nodes[0]) || isPageFragment(nodes[0]))) {
|
||
// 更新历史记录
|
||
this.pushHistoryState();
|
||
}
|
||
|
||
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${config.id}的节点`);
|
||
|
||
const node = toRaw(info.node);
|
||
|
||
let newConfig = await this.toggleFixedPosition(toRaw(config), node, root);
|
||
|
||
newConfig = mergeWith(cloneDeep(node), newConfig, (objValue, srcValue, key, object: any, source: any) => {
|
||
if (typeof srcValue === 'undefined' && Object.hasOwn(source, key)) {
|
||
return '';
|
||
}
|
||
|
||
if (isObject(srcValue) && Array.isArray(objValue)) {
|
||
// 原来的配置是数组，新的配置是对象，则直接使用新的值
|
||
return srcValue;
|
||
}
|
||
if (Array.isArray(srcValue)) {
|
||
return srcValue;
|
||
}
|
||
});
|
||
|
||
if (!newConfig.type) throw new Error('配置缺少type值');
|
||
|
||
if (newConfig.type === NodeType.ROOT) {
|
||
this.set('root', newConfig as MApp);
|
||
return {
|
||
oldNode: node,
|
||
newNode: newConfig,
|
||
changeRecords,
|
||
};
|
||
}
|
||
|
||
const { parent } = info;
|
||
if (!parent) throw new Error('获取不到父级节点');
|
||
|
||
const parentNodeItems = parent.items;
|
||
const index = getNodeIndex(newConfig.id, parent);
|
||
|
||
if (!parentNodeItems || typeof index === 'undefined' || index === -1) throw new Error('更新的节点未找到');
|
||
|
||
const newLayout = await this.getLayout(newConfig);
|
||
const layout = await this.getLayout(node);
|
||
if (Array.isArray(newConfig.items) && newLayout !== layout) {
|
||
newConfig = setChildrenLayout(newConfig as MContainer, newLayout);
|
||
}
|
||
|
||
parentNodeItems[index] = newConfig;
|
||
|
||
// 将update后的配置更新到nodes中
|
||
const nodes = this.get('nodes');
|
||
const targetIndex = nodes.findIndex((nodeItem: MNode) => `${nodeItem.id}` === `${newConfig.id}`);
|
||
nodes.splice(targetIndex, 1, newConfig);
|
||
this.set('nodes', [...nodes]);
|
||
|
||
// update后会触发依赖收集，收集完后会掉stage.update方法
|
||
|
||
if (isPage(newConfig) || isPageFragment(newConfig)) {
|
||
this.set('page', newConfig as MPage | MPageFragment);
|
||
}
|
||
|
||
this.addModifiedNodeId(newConfig.id);
|
||
|
||
return {
|
||
oldNode: node,
|
||
newNode: newConfig,
|
||
changeRecords,
|
||
};
|
||
}
|
||
|
||
/**
|
||
* 更新节点
|
||
* @param config 新的节点配置，配置中需要有id信息
|
||
* @returns 更新后的节点配置
|
||
*/
|
||
public async update(
|
||
config: MNode | MNode[],
|
||
data: { changeRecords?: ChangeRecord[] } = {},
|
||
): Promise<MNode | MNode[]> {
|
||
const nodes = Array.isArray(config) ? config : [config];
|
||
|
||
const updateData = await Promise.all(nodes.map((node) => this.doUpdate(node, data)));
|
||
|
||
if (updateData[0].oldNode?.type !== NodeType.ROOT) {
|
||
this.pushHistoryState();
|
||
}
|
||
|
||
this.emit('update', updateData);
|
||
return Array.isArray(config) ? updateData.map((item) => item.newNode) : updateData[0].newNode;
|
||
}
|
||
|
||
/**
|
||
* 将id为id1的组件移动到id为id2的组件位置上，例如：[1,2,3,4] -> sort(1,3) -> [2,1,3,4]
|
||
* @param id1 组件ID
|
||
* @param id2 组件ID
|
||
* @returns void
|
||
*/
|
||
public async sort(id1: Id, id2: Id): Promise<void> {
|
||
const root = this.get('root');
|
||
if (!root) throw new Error('root为空');
|
||
|
||
const node = this.get('node');
|
||
if (!node) throw new Error('当前节点为空');
|
||
|
||
const parent = cloneDeep(toRaw(this.get('parent')));
|
||
if (!parent) throw new Error('父节点为空');
|
||
|
||
const index2 = parent.items.findIndex((node: MNode) => `${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);
|
||
await this.select(node);
|
||
|
||
this.get('stage')?.update({
|
||
config: cloneDeep(node),
|
||
parentId: parent.id,
|
||
root: cloneDeep(root),
|
||
});
|
||
|
||
this.addModifiedNodeId(parent.id);
|
||
this.pushHistoryState();
|
||
}
|
||
|
||
/**
|
||
* 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];
|
||
|
||
// 初始化复制组件相关的依赖收集器
|
||
if (collectorOptions && typeof collectorOptions.isTarget === 'function') {
|
||
const customTarget = new Target({
|
||
...collectorOptions,
|
||
});
|
||
|
||
const coperWatcher = new Watcher();
|
||
|
||
coperWatcher.addTarget(customTarget);
|
||
|
||
coperWatcher.collect(copyNodes, {}, true, collectorOptions.type);
|
||
Object.keys(customTarget.deps).forEach((nodeId: Id) => {
|
||
const node = this.getNodeById(nodeId);
|
||
if (!node) return;
|
||
customTarget!.deps[nodeId].keys.forEach((key) => {
|
||
const relateNodeId = get(node, key);
|
||
const isExist = copyNodes.find((node) => node.id === relateNodeId);
|
||
if (!isExist) {
|
||
const relateNode = this.getNodeById(relateNodeId);
|
||
if (relateNode) {
|
||
copyNodes.push(relateNode);
|
||
}
|
||
}
|
||
});
|
||
});
|
||
}
|
||
|
||
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
|
||
* @returns 添加后的组件节点配置
|
||
*/
|
||
public async paste(position: PastePosition = {}, collectorOptions?: TargetOptions): 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);
|
||
}
|
||
|
||
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);
|
||
if (layout === Layout.RELATIVE) {
|
||
return config;
|
||
}
|
||
|
||
if (!node.style) return config;
|
||
|
||
const stage = this.get('stage');
|
||
const doc = stage?.renderer?.contentWindow?.document;
|
||
|
||
if (doc) {
|
||
const el = getElById()(doc, node.id);
|
||
const parentEl = layout === Layout.FIXED ? doc.body : el?.offsetParent;
|
||
if (parentEl && el) {
|
||
node.style.left = calcValueByFontsize(doc, (parentEl.clientWidth - el.clientWidth) / 2);
|
||
node.style.right = '';
|
||
}
|
||
} else if (parent.style && isNumber(parent.style?.width) && isNumber(node.style?.width)) {
|
||
node.style.left = (parent.style.width - node.style.width) / 2;
|
||
node.style.right = '';
|
||
}
|
||
|
||
return node;
|
||
}
|
||
|
||
/**
|
||
* 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 | MNode[]): 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);
|
||
|
||
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
|
||
*/
|
||
public async moveLayer(offset: number | LayerOffset): Promise<void> {
|
||
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}`);
|
||
|
||
// 流式布局与绝对定位布局操作的相反的
|
||
const layout = await this.getLayout(parent, node);
|
||
const isRelative = layout === Layout.RELATIVE;
|
||
|
||
let offsetIndex: number;
|
||
if (offset === LayerOffset.TOP) {
|
||
offsetIndex = isRelative ? 0 : brothers.length;
|
||
} else if (offset === LayerOffset.BOTTOM) {
|
||
offsetIndex = isRelative ? brothers.length : 0;
|
||
} else {
|
||
offsetIndex = index + (isRelative ? -offset : offset);
|
||
}
|
||
|
||
if ((offsetIndex > 0 && offsetIndex > brothers.length) || offsetIndex < 0) {
|
||
return;
|
||
}
|
||
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);
|
||
this.pushHistoryState();
|
||
|
||
this.emit('move-layer', offset);
|
||
}
|
||
|
||
/**
|
||
* 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 root = this.get('root');
|
||
const { node, parent } = this.getNodeInfo(config.id, false);
|
||
const target = this.getNodeById(targetId, false) as MContainer;
|
||
|
||
const stage = this.get('stage');
|
||
if (root && node && parent && stage) {
|
||
const index = getNodeIndex(node.id, parent);
|
||
parent.items?.splice(index, 1);
|
||
|
||
await stage.remove({ id: node.id, parentId: parent.id, root: cloneDeep(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.items.push(newConfig);
|
||
|
||
await stage.select(targetId);
|
||
|
||
const targetParent = this.getParentById(target.id);
|
||
await stage.update({
|
||
config: cloneDeep(target),
|
||
parentId: targetParent?.id,
|
||
root: cloneDeep(root),
|
||
});
|
||
|
||
await this.select(newConfig);
|
||
stage.select(newConfig.id);
|
||
|
||
this.addModifiedNodeId(target.id);
|
||
this.addModifiedNodeId(parent.id);
|
||
this.pushHistoryState();
|
||
|
||
return newConfig;
|
||
}
|
||
}
|
||
|
||
public async dragTo(config: MNode | MNode[], targetParent: MContainer, targetIndex: number) {
|
||
if (!targetParent || !Array.isArray(targetParent.items)) return;
|
||
|
||
const configs = Array.isArray(config) ? config : [config];
|
||
|
||
const sourceIndicesInTargetParent: number[] = [];
|
||
const sourceOutTargetParent: MNode[] = [];
|
||
|
||
const newLayout = await this.getLayout(targetParent);
|
||
|
||
// eslint-disable-next-line no-restricted-syntax
|
||
forConfigs: for (const config of configs) {
|
||
const { parent, node: curNode } = this.getNodeInfo(config.id, false);
|
||
if (!parent || !curNode) {
|
||
continue;
|
||
}
|
||
|
||
const path = getNodePath(curNode.id, parent.items);
|
||
|
||
for (const node of path) {
|
||
if (targetParent.id === node.id) {
|
||
continue forConfigs;
|
||
}
|
||
}
|
||
|
||
const index = getNodeIndex(curNode.id, parent);
|
||
|
||
if (parent.id === targetParent.id) {
|
||
if (typeof index !== 'number' || index === -1) {
|
||
return;
|
||
}
|
||
sourceIndicesInTargetParent.push(index);
|
||
} else {
|
||
const layout = await this.getLayout(parent);
|
||
|
||
if (newLayout !== layout) {
|
||
setLayout(config, newLayout);
|
||
}
|
||
|
||
parent.items?.splice(index, 1);
|
||
sourceOutTargetParent.push(config);
|
||
this.addModifiedNodeId(parent.id);
|
||
}
|
||
}
|
||
|
||
moveItemsInContainer(sourceIndicesInTargetParent, targetParent, targetIndex);
|
||
|
||
sourceOutTargetParent.forEach((config, index) => {
|
||
targetParent.items?.splice(targetIndex + index, 0, config);
|
||
this.addModifiedNodeId(config.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),
|
||
});
|
||
}
|
||
|
||
this.pushHistoryState();
|
||
|
||
this.emit('drag-to', { targetIndex, configs, targetParent });
|
||
}
|
||
|
||
/**
|
||
* 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, type } = node;
|
||
if (!style || !['absolute', 'fixed'].includes(style.position)) return;
|
||
|
||
const update = (style: { [key: string]: any }) =>
|
||
this.update({
|
||
id,
|
||
type,
|
||
style,
|
||
});
|
||
|
||
if (top) {
|
||
if (isNumber(style.top)) {
|
||
update({
|
||
...style,
|
||
top: Number(style.top) + Number(top),
|
||
bottom: '',
|
||
});
|
||
} else if (isNumber(style.bottom)) {
|
||
update({
|
||
...style,
|
||
bottom: Number(style.bottom) - Number(top),
|
||
top: '',
|
||
});
|
||
}
|
||
}
|
||
|
||
if (left) {
|
||
if (isNumber(style.left)) {
|
||
update({
|
||
...style,
|
||
left: Number(style.left) + Number(left),
|
||
right: '',
|
||
});
|
||
} else if (isNumber(style.right)) {
|
||
update({
|
||
...style,
|
||
right: Number(style.right) - Number(left),
|
||
left: '',
|
||
});
|
||
}
|
||
}
|
||
}
|
||
|
||
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) {
|
||
if (!this.isHistoryStateChange) {
|
||
this.get('modifiedNodeIds').set(id, id);
|
||
}
|
||
}
|
||
|
||
private pushHistoryState() {
|
||
const curNode = cloneDeep(toRaw(this.get('node')));
|
||
const page = this.get('page');
|
||
if (!this.isHistoryStateChange && curNode && page) {
|
||
historyService.push({
|
||
data: cloneDeep(toRaw(page)),
|
||
modifiedNodeIds: this.get('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('stage')?.select(value.nodeId);
|
||
}, 0);
|
||
this.emit('history-change', value.data);
|
||
}
|
||
|
||
private async toggleFixedPosition(dist: MNode, src: MNode, root: MApp) {
|
||
const newConfig = cloneDeep(dist);
|
||
|
||
if (!isPop(src) && newConfig.style?.position) {
|
||
if (isFixed(newConfig.style) && !isFixed(src.style || {})) {
|
||
newConfig.style = change2Fixed(newConfig, root);
|
||
} else if (!isFixed(newConfig.style) && isFixed(src.style || {})) {
|
||
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();
|