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component-meta.ts
File metadata and controls
508 lines (442 loc) · 13.1 KB
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import { ReactElement } from 'react';
import {
ComponentMetadata,
NpmInfo,
NodeData,
NodeSchema,
ComponentAction,
TitleContent,
TransformedComponentMetadata,
NestingFilter,
isTitleConfig,
I18nData,
LiveTextEditingConfig,
FieldConfig,
} from '@alilc/lowcode-types';
import { deprecate } from '@alilc/lowcode-utils';
import { computed, engineConfig } from '@alilc/lowcode-editor-core';
import EventEmitter from 'events';
import { componentDefaults, legacyIssues } from './transducers';
import { isNode, Node, ParentalNode } from './document';
import { Designer } from './designer';
import { intlNode } from './locale';
import {
IconLock,
IconUnlock,
IconContainer,
IconPage,
IconComponent,
IconRemove,
IconClone,
IconHidden,
} from './icons';
function ensureAList(list?: string | string[]): string[] | null {
if (!list) {
return null;
}
if (!Array.isArray(list)) {
if (typeof list !== 'string') {
return null;
}
list = list.split(/ *[ ,|] */).filter(Boolean);
}
if (list.length < 1) {
return null;
}
return list;
}
function isRegExp(obj: any): obj is RegExp {
return obj && obj.test && obj.exec && obj.compile;
}
function buildFilter(rule?: string | string[] | RegExp | NestingFilter) {
if (!rule) {
return null;
}
if (typeof rule === 'function') {
return rule;
}
if (isRegExp(rule)) {
return (testNode: Node | NodeSchema) => rule.test(testNode.componentName);
}
const list = ensureAList(rule);
if (!list) {
return null;
}
return (testNode: Node | NodeSchema) => list.includes(testNode.componentName);
}
export class ComponentMeta {
readonly isComponentMeta = true;
private _npm?: NpmInfo;
private emitter: EventEmitter = new EventEmitter();
get npm() {
return this._npm;
}
set npm(_npm: any) {
this.setNpm(_npm);
}
private _componentName?: string;
get componentName(): string {
return this._componentName!;
}
private _isContainer?: boolean;
get isContainer(): boolean {
return this._isContainer! || this.isRootComponent();
}
get isMinimalRenderUnit(): boolean {
return this._isMinimalRenderUnit || false;
}
private _isModal?: boolean;
get isModal(): boolean {
return this._isModal!;
}
private _descriptor?: string;
get descriptor(): string | undefined {
return this._descriptor;
}
private _rootSelector?: string;
get rootSelector(): string | undefined {
return this._rootSelector;
}
private _transformedMetadata?: TransformedComponentMetadata;
get configure() {
const config = this._transformedMetadata?.configure;
return config?.combined || config?.props || [];
}
private _liveTextEditing?: LiveTextEditingConfig[];
get liveTextEditing() {
return this._liveTextEditing;
}
private _isTopFixed?: boolean;
get isTopFixed() {
return this._isTopFixed;
}
private parentWhitelist?: NestingFilter | null;
private childWhitelist?: NestingFilter | null;
private _title?: TitleContent;
private _isMinimalRenderUnit?: boolean;
get title(): string | I18nData | ReactElement {
// TODO: 标记下。这块需要康师傅加一下API，页面正常渲染。
// string | i18nData | ReactElement
// TitleConfig title.label
if (isTitleConfig(this._title)) {
return (this._title.label as any) || this.componentName;
}
return this._title || this.componentName;
}
@computed get icon() {
// give Slot default icon
// if _title is TitleConfig get _title.icon
return (
this._transformedMetadata?.icon ||
// eslint-disable-next-line
(this.componentName === 'Page' ? IconPage : this.isContainer ? IconContainer : IconComponent)
);
}
private _acceptable?: boolean;
get acceptable(): boolean {
return this._acceptable!;
}
constructor(readonly designer: Designer, metadata: ComponentMetadata) {
this.parseMetadata(metadata);
}
setNpm(info: NpmInfo) {
if (!this._npm) {
this._npm = info;
}
}
private parseMetadata(metadata: ComponentMetadata) {
const { componentName, npm } = metadata;
this._npm = npm || this._npm;
this._componentName = componentName;
// 额外转换逻辑
this._transformedMetadata = this.transformMetadata(metadata);
const { title } = this._transformedMetadata;
if (title) {
this._title =
typeof title === 'string'
? {
type: 'i18n',
'en-US': this.componentName,
'zh-CN': title,
}
: title;
}
const liveTextEditing = this._transformedMetadata.configure.advanced?.liveTextEditing || [];
function collectLiveTextEditing(items: FieldConfig[]) {
items.forEach((config) => {
if (config?.items) {
collectLiveTextEditing(config.items);
} else {
const liveConfig = config.liveTextEditing || config.extraProps?.liveTextEditing;
if (liveConfig) {
liveTextEditing.push({
propTarget: String(config.name),
...liveConfig,
});
}
}
});
}
collectLiveTextEditing(this.configure);
this._liveTextEditing = liveTextEditing.length > 0 ? liveTextEditing : undefined;
const isTopFiexd = this._transformedMetadata.configure.advanced?.isTopFixed;
if (isTopFiexd) {
this._isTopFixed = isTopFiexd;
}
const { configure = {} } = this._transformedMetadata;
this._acceptable = false;
const { component } = configure;
if (component) {
this._isContainer = !!component.isContainer;
this._isModal = !!component.isModal;
this._descriptor = component.descriptor;
this._rootSelector = component.rootSelector;
this._isMinimalRenderUnit = component.isMinimalRenderUnit;
if (component.nestingRule) {
const { parentWhitelist, childWhitelist } = component.nestingRule;
this.parentWhitelist = buildFilter(parentWhitelist);
this.childWhitelist = buildFilter(childWhitelist);
}
} else {
this._isContainer = false;
this._isModal = false;
}
this.emitter.emit('metadata_change');
}
refreshMetadata() {
this.parseMetadata(this.getMetadata());
}
private transformMetadata(metadta: ComponentMetadata): TransformedComponentMetadata {
const result = getRegisteredMetadataTransducers().reduce((prevMetadata, current) => {
return current(prevMetadata);
}, preprocessMetadata(metadta));
if (!result.configure) {
result.configure = {};
}
if (result.experimental && !result.configure.advanced) {
deprecate(result.experimental, '.experimental', '.configure.advanced');
result.configure.advanced = result.experimental;
}
return result as any;
}
isRootComponent(includeBlock = true) {
return (
this.componentName === 'Page' ||
this.componentName === 'Component' ||
(includeBlock && this.componentName === 'Block')
);
}
@computed get availableActions() {
// eslint-disable-next-line prefer-const
let { disableBehaviors, actions } = this._transformedMetadata?.configure.component || {};
const disabled =
ensureAList(disableBehaviors) ||
(this.isRootComponent(false) ? ['copy', 'remove', 'lock', 'unlock'] : null);
actions = builtinComponentActions.concat(
this.designer.getGlobalComponentActions() || [],
actions || [],
);
if (disabled) {
if (disabled.includes('*')) {
return actions.filter((action) => action.condition === 'always');
}
return actions.filter((action) => disabled.indexOf(action.name) < 0);
}
return actions;
}
setMetadata(metadata: ComponentMetadata) {
this.parseMetadata(metadata);
}
getMetadata(): TransformedComponentMetadata {
return this._transformedMetadata!;
}
checkNestingUp(my: Node | NodeData, parent: ParentalNode) {
// 检查父子关系，直接约束型，在画布中拖拽直接掠过目标容器
if (this.parentWhitelist) {
return this.parentWhitelist(
parent.internalToShellNode(),
isNode(my) ? my.internalToShellNode() : my,
);
}
return true;
}
checkNestingDown(my: Node, target: Node | NodeSchema | NodeSchema[]) {
// 检查父子关系，直接约束型，在画布中拖拽直接掠过目标容器
if (this.childWhitelist) {
const _target: any = !Array.isArray(target) ? [target] : target;
return _target.every((item: Node | NodeSchema) => {
const _item = !isNode(item) ? new Node(my.document, item) : item;
return (
this.childWhitelist &&
this.childWhitelist(_item.internalToShellNode(), my.internalToShellNode())
);
});
}
return true;
}
onMetadataChange(fn: (args: any) => void): () => void {
this.emitter.on('metadata_change', fn);
return () => {
this.emitter.removeListener('metadata_change', fn);
};
}
// compatiable vision
prototype?: any;
}
export function isComponentMeta(obj: any): obj is ComponentMeta {
return obj && obj.isComponentMeta;
}
function preprocessMetadata(metadata: ComponentMetadata): TransformedComponentMetadata {
if (metadata.configure) {
if (Array.isArray(metadata.configure)) {
return {
...metadata,
configure: {
props: metadata.configure,
},
};
}
return metadata as any;
}
return {
...metadata,
configure: {},
};
}
export interface MetadataTransducer {
(prev: TransformedComponentMetadata): TransformedComponentMetadata;
/**
* 0 - 9 system
* 10 - 99 builtin-plugin
* 100 - app & plugin
*/
level?: number;
/**
* use to replace TODO
*/
id?: string;
}
const metadataTransducers: MetadataTransducer[] = [];
export function registerMetadataTransducer(
transducer: MetadataTransducer,
level = 100,
id?: string,
) {
transducer.level = level;
transducer.id = id;
const i = metadataTransducers.findIndex((item) => item.level != null && item.level > level);
if (i < 0) {
metadataTransducers.push(transducer);
} else {
metadataTransducers.splice(i, 0, transducer);
}
}
export function getRegisteredMetadataTransducers(): MetadataTransducer[] {
return metadataTransducers;
}
const builtinComponentActions: ComponentAction[] = [
{
name: 'remove',
content: {
icon: IconRemove,
title: intlNode('remove'),
action(node: Node) {
node.remove();
},
},
important: true,
},
{
name: 'hide',
content: {
icon: IconHidden,
title: intlNode('hide'),
action(node: Node) {
node.setVisible(false);
},
},
condition: (node: Node) => {
return node.componentMeta.isModal;
},
important: true,
},
{
name: 'copy',
content: {
icon: IconClone,
title: intlNode('copy'),
action(node: Node) {
// node.remove();
const { document: doc, parent, index } = node;
if (parent) {
const newNode = doc.insertNode(parent, node, index + 1, true);
newNode.select();
const { isRGL, rglNode } = node.getRGL();
if (isRGL) {
// 复制layout信息
let layout = rglNode.getPropValue('layout') || [];
let curLayout = layout.filter((item) => item.i === node.getPropValue('fieldId'));
if (curLayout && curLayout[0]) {
layout.push({
...curLayout[0],
i: newNode.getPropValue('fieldId'),
});
rglNode.setPropValue('layout', layout);
// 如果是磁贴块复制，则需要滚动到影响位置
setTimeout(() => newNode.document.simulator?.scrollToNode(newNode), 10);
}
}
}
},
},
important: true,
},
{
name: 'lock',
content: {
icon: IconLock, // 锁定 icon
title: intlNode('lock'),
action(node: Node) {
node.lock();
},
},
condition: (node: Node) => {
return engineConfig.get('enableCanvasLock', false) && node.isContainer() && !node.isLocked;
},
important: true,
},
{
name: 'unlock',
content: {
icon: IconUnlock, // 解锁 icon
title: intlNode('unlock'),
action(node: Node) {
node.lock(false);
},
},
condition: (node: Node) => {
return engineConfig.get('enableCanvasLock', false) && node.isContainer() && node.isLocked;
},
important: true,
},
];
export function removeBuiltinComponentAction(name: string) {
const i = builtinComponentActions.findIndex((action) => action.name === name);
if (i > -1) {
builtinComponentActions.splice(i, 1);
}
}
export function addBuiltinComponentAction(action: ComponentAction) {
builtinComponentActions.push(action);
}
export function modifyBuiltinComponentAction(
actionName: string,
handle: (action: ComponentAction) => void,
) {
const builtinAction = builtinComponentActions.find((action) => action.name === actionName);
if (builtinAction) {
handle(builtinAction);
}
}
registerMetadataTransducer(legacyIssues, 2, 'legacy-issues'); // should use a high level priority, eg: 2
registerMetadataTransducer(componentDefaults, 100, 'component-defaults');