mirror of
https://github.com/alibaba/lowcode-engine.git
synced 2026-02-28 21:20:28 +00:00
312 lines
8.8 KiB
TypeScript
312 lines
8.8 KiB
TypeScript
import { isJSBlock, isJSExpression, isJSSlot, isI18nData } from '@ali/lowcode-types';
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import { isPlainObject, hasOwnProperty } from '@ali/lowcode-utils';
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import { globalContext, Editor } from '@ali/lowcode-editor-core';
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import { Designer, LiveEditing, TransformStage, Node, getConvertedExtraKey } from '@ali/lowcode-designer';
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import Outline, { OutlineBackupPane, getTreeMaster } from '@ali/lowcode-plugin-outline-pane';
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import { toCss } from '@ali/vu-css-style';
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import logger from '@ali/vu-logger';
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import bus from './bus';
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import { VE_EVENTS } from './base/const';
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import DesignerPlugin from '@ali/lowcode-plugin-designer';
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import { Skeleton, SettingsPrimaryPane, registerDefaults } from '@ali/lowcode-editor-skeleton';
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import { deepValueParser } from './deep-value-parser';
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import { liveEditingRule, liveEditingSaveHander } from './vc-live-editing';
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export const editor = new Editor();
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globalContext.register(editor, Editor);
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export const skeleton = new Skeleton(editor);
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editor.set(Skeleton, skeleton);
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editor.set('skeleton', skeleton);
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registerDefaults();
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export const designer = new Designer({ editor: editor });
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editor.set(Designer, designer);
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editor.set('designer', designer);
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const nodeCache: any = {};
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designer.project.onCurrentDocumentChange((doc) => {
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doc.nodesMap.forEach((node) => {
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nodeCache[node.id] = node;
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});
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doc.onRendererReady(() => {
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bus.emit(VE_EVENTS.VE_PAGE_PAGE_READY);
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});
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doc.onNodeCreate((node) => {
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nodeCache[node.id] = node;
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});
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doc.onNodeDestroy((node) => {
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delete nodeCache[node.id];
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});
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});
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interface Variable {
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type: 'variable';
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variable: string;
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value: any;
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}
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function isVariable(obj: any): obj is Variable {
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return obj && obj.type === 'variable';
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}
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function upgradePropsReducer(props: any) {
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if (!props || !isPlainObject(props)) {
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return props;
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}
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if (isJSBlock(props)) {
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if (props.value.componentName === 'Slot') {
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return {
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type: 'JSSlot',
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title: (props.value.props as any)?.slotTitle,
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name: (props.value.props as any)?.slotName,
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value: props.value.children,
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};
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} else {
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return props.value;
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}
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}
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if (isVariable(props)) {
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return {
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type: 'JSExpression',
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value: props.variable,
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mock: props.value,
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};
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}
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const newProps: any = {};
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Object.keys(props).forEach(key => {
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if (/^__slot__/.test(key) && props[key] === true) {
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return;
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}
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newProps[key] = upgradePropsReducer(props[key]);
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});
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return newProps;
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}
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// 升级 Props
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designer.addPropsReducer(upgradePropsReducer, TransformStage.Upgrade);
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// 节点 props 初始化
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designer.addPropsReducer((props, node) => {
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// run initials
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const newProps: any = {
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...props,
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};
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if (newProps.fieldId) {
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const fieldIds: any = [];
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Object.keys(nodeCache).forEach(nodeId => {
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const fieldId = nodeCache[nodeId].getPropValue('fieldId');
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if (fieldId) {
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fieldIds.push(fieldId);
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}
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});
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if (fieldIds.indexOf(props.fieldId) >= 0) {
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newProps.fieldId = undefined;
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}
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}
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const initials = node.componentMeta.getMetadata().experimental?.initials;
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if (initials) {
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const getRealValue = (propValue: any) => {
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if (isVariable(propValue)) {
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return propValue.value;
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}
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if (isJSExpression(propValue)) {
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return propValue.mock;
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}
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return propValue;
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};
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initials.forEach((item) => {
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// FIXME! this implements SettingTarget
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try {
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// FIXME! item.name could be 'xxx.xxx'
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const ov = newProps[item.name];
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const v = item.initial(node as any, getRealValue(ov));
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if (ov === undefined && v !== undefined) {
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newProps[item.name] = v;
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}
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} catch (e) {
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if (hasOwnProperty(props, item.name)) {
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newProps[item.name] = props[item.name];
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}
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}
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if (newProps[item.name] && !node.props.has(item.name)) {
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node.props.add(newProps[item.name], item.name);
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}
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});
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}
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return newProps;
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}, TransformStage.Init);
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designer.addPropsReducer((props: any, node: Node) => {
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if (node.isRoot() && props && props.lifeCycles) {
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return {
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...props,
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lifeCycles: {},
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}
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}
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return props;
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}, TransformStage.Render);
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function filterReducer(props: any, node: Node): any {
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const filters = node.componentMeta.getMetadata().experimental?.filters;
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if (filters && filters.length) {
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const newProps = { ...props };
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filters.forEach((item) => {
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// FIXME! item.name could be 'xxx.xxx'
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if (!hasOwnProperty(newProps, item.name)) {
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return;
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}
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try {
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if (item.filter(node.settingEntry.getProp(item.name), props[item.name]) === false) {
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delete newProps[item.name];
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}
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} catch (e) {
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console.warn(e);
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logger.trace(e);
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}
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});
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return newProps;
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}
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return props;
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}
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designer.addPropsReducer(filterReducer, TransformStage.Save);
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designer.addPropsReducer(filterReducer, TransformStage.Render);
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function compatiableReducer(props: any) {
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if (!props || !isPlainObject(props)) {
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return props;
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}
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if (isJSSlot(props)) {
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return {
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type: 'JSBlock',
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value: {
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componentName: 'Slot',
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children: props.value,
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props: {
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slotTitle: props.title,
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slotName: props.name,
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},
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},
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};
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}
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// 为了能降级到老版本，建议在后期版本去掉以下代码
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if (isJSExpression(props) && !props.events) {
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return {
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type: 'variable',
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value: props.mock,
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variable: props.value,
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}
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}
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const newProps: any = {};
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Object.entries<any>(props).forEach(([key, val]) => {
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newProps[key] = compatiableReducer(val);
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});
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return newProps;
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}
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// FIXME: Dirty fix, will remove this reducer
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designer.addPropsReducer(compatiableReducer, TransformStage.Save);
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// 兼容历史版本的 Page 组件
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designer.addPropsReducer((props: any, node: Node) => {
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const lifeCycleNames = ['didMount', 'willUnmount'];
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if (node.isRoot()) {
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lifeCycleNames.forEach(key => {
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if (props[key]) {
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const lifeCycles = node.props.getPropValue(getConvertedExtraKey('lifeCycles')) || {};
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lifeCycles[key] = props[key];
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node.props.setPropValue(getConvertedExtraKey('lifeCycles'), lifeCycles);
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}
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});
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}
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return props;
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}, TransformStage.Save);
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// 设计器组件样式处理
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function stylePropsReducer(props: any, node: any) {
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if (props && typeof props === 'object' && props.__style__) {
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const cssId = '_style_pesudo_' + node.id.replace(/\$/g, '_');
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const cssClass = '_css_pesudo_' + node.id.replace(/\$/g, '_');
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const styleProp = props.__style__;
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appendStyleNode(props, styleProp, cssClass, cssId);
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}
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if (props && typeof props === 'object' && props.pageStyle) {
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const cssId = '_style_pesudo_engine-document';
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const cssClass = 'engine-document';
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const styleProp = props.pageStyle;
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appendStyleNode(props, styleProp, cssClass, cssId);
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}
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if (props && typeof props === 'object' && props.containerStyle) {
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const cssId = '_style_pesudo_' + node.id;
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const cssClass = '_css_pesudo_' + node.id.replace(/\$/g, '_');
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const styleProp = props.containerStyle;
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appendStyleNode(props, styleProp, cssClass, cssId);
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}
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return props;
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}
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function appendStyleNode(props: any, styleProp: any, cssClass: string, cssId: string) {
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const doc = designer.currentDocument?.simulator?.contentDocument;
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if (!doc) {
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return;
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}
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const dom = doc.getElementById(cssId);
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if (dom) {
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dom.parentNode?.removeChild(dom);
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}
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if (typeof styleProp === 'object') {
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styleProp = toCss(styleProp);
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}
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if (typeof styleProp === 'string') {
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const s = doc.createElement('style');
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props.className = cssClass;
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s.setAttribute('type', 'text/css');
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s.setAttribute('id', cssId);
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doc.getElementsByTagName('head')[0].appendChild(s);
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s.appendChild(doc.createTextNode(styleProp.replace(/(\d+)rpx/g, (a, b) => {
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return `${b / 2}px`;
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}).replace(/:root/g, '.' + cssClass)));
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}
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}
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designer.addPropsReducer(stylePropsReducer, TransformStage.Render);
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// 国际化 & Expression 渲染时处理
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designer.addPropsReducer(deepValueParser, TransformStage.Render);
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skeleton.add({
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area: 'mainArea',
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name: 'designer',
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type: 'Widget',
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content: DesignerPlugin,
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});
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skeleton.add({
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area: 'rightArea',
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name: 'settingsPane',
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type: 'Panel',
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content: SettingsPrimaryPane,
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});
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skeleton.add({
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area: 'leftArea',
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name: 'outlinePane',
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type: 'PanelDock',
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content: Outline,
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panelProps: {
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area: 'leftFixedArea',
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},
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});
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skeleton.add({
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area: 'rightArea',
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name: 'backupOutline',
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type: 'Panel',
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props: {
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condition: () => {
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return designer.dragon.dragging && !getTreeMaster(designer).hasVisibleTreeBoard();
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},
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},
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content: OutlineBackupPane,
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});
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LiveEditing.addLiveEditingSpecificRule(liveEditingRule);
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LiveEditing.addLiveEditingSaveHandler(liveEditingSaveHander);
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