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selection.ts

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import {

DocumentModel as InnerDocumentModel,

Node as InnerNode,

Selection as InnerSelection,

} from '@alilc/lowcode-designer';

import Node from './node';

import { documentSymbol, selectionSymbol } from './symbols';

export default class Selection {

private readonly [documentSymbol]: InnerDocumentModel;

private readonly [selectionSymbol]: InnerSelection;

constructor(document: InnerDocumentModel) {

this[documentSymbol] = document;

this[selectionSymbol] = document.selection;

}

/**

* 返回选中的节点 id

*/

get selected() {

return this[selectionSymbol].selected;

}

/**

* 选中指定节点（覆盖方式）

* @param id

*/

select(id: string) {

this[selectionSymbol].select(id);

}

/**

* 批量选中指定节点们

* @param ids

*/

selectAll(ids: string[]) {

this[selectionSymbol].selectAll(ids);

}

/**

* 移除选中的指定节点

* @param id

*/

remove(id: string) {

this[selectionSymbol].remove(id);

}

/**

* 清除所有选中节点

*/

clear() {

this[selectionSymbol].clear();

}

/**

* 判断是否选中了指定节点

* @param id

* @returns

*/

has(id: string) {

return this[selectionSymbol].has(id);

}

/**

* 选中指定节点（增量方式）

* @param id

*/

add(id: string) {

this[selectionSymbol].add(id);

}

/**

* 获取选中的节点实例

* @returns

*/

getNodes() {

return this[selectionSymbol].getNodes().map((node: InnerNode) => Node.create(node));

}

}