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import { Editor } from '@alilc/lowcode-editor-core';

import {

Designer,

registerMetadataTransducer,

MetadataTransducer,

getRegisteredMetadataTransducers,

addBuiltinComponentAction,

removeBuiltinComponentAction,

modifyBuiltinComponentAction,

} from '@alilc/lowcode-designer';

import { AssetsJson } from '@alilc/lowcode-utils';

import { ComponentAction } from '@alilc/lowcode-types';

import { editorSymbol, designerSymbol } from './symbols';

import ComponentMeta from './component-meta';

export default class Material {

private readonly [editorSymbol]: Editor;

private readonly [designerSymbol]: Designer;

constructor(editor: Editor) {

this[editorSymbol] = editor;

this[designerSymbol] = editor.get('designer')!;

}

/**

* 获取组件 map 结构

*/

get componentsMap() {

return this[designerSymbol].componentsMap;

}

/**

* 设置「资产包」结构

* @param assets

* @returns

*/

setAssets(assets: AssetsJson) {

return this[editorSymbol].setAssets(assets);

}

/**

* 获取「资产包」结构

* @returns

*/

getAssets() {

return this[editorSymbol].get('assets');

}

/**

* 加载增量的「资产包」结构，该增量包会与原有的合并

* @param incrementalAssets

* @returns

*/

loadIncrementalAssets(incrementalAssets: AssetsJson) {

return this[designerSymbol].loadIncrementalAssets(incrementalAssets);

}

/**

* 注册物料元数据管道函数

* @param transducer

* @param level

* @param id

*/

registerMetadataTransducer(

transducer: MetadataTransducer,

level?: number,

id?: string | undefined,

) {

registerMetadataTransducer(transducer, level, id);

}

/**

* 获取所有物料元数据管道函数

* @returns

*/

getRegisteredMetadataTransducers() {

return getRegisteredMetadataTransducers();

}

/**

* 获取指定名称的物料元数据

* @param componentName

* @returns

*/

getComponentMeta(componentName: string) {

return ComponentMeta.create(this[designerSymbol].getComponentMeta(componentName));

}

/**

* 获取所有已注册的物料元数据

* @returns

*/

getComponentMetasMap() {

const map = new Map<string, ComponentMeta>();

const originalMap = this[designerSymbol].getComponentMetasMap();

for (let componentName in originalMap.keys()) {

map.set(componentName, this.getComponentMeta(componentName)!);

}

return map;

}

/**

* 在设计器辅助层增加一个扩展 action

* @param action

*/

addBuiltinComponentAction(action: ComponentAction) {

addBuiltinComponentAction(action);

}

/**

* 移除设计器辅助层的指定 action

* @param name

*/

removeBuiltinComponentAction(name: string) {

removeBuiltinComponentAction(name);

}

/**

* 修改已有的设计器辅助层的指定 action

* @param actionName

* @param handle

*/

modifyBuiltinComponentAction(actionName: string, handle: (action: ComponentAction) => void) {

modifyBuiltinComponentAction(actionName, handle);

}

/**

* 监听 assets 变化的事件

* @param fn

*/

onChangeAssets(fn: () => void) {

// 设置 assets，经过 setAssets 赋值

this[editorSymbol].onGot('assets', fn);

// 增量设置 assets，经过 loadIncrementalAssets 赋值

this[editorSymbol].on('designer.incrementalAssetsReady', fn);

}

}