Primeng context menu with turbotable :如何在关闭上下文菜单时删除行选择

<p-table [value]="data" [contextMenu]="cm">
  <ng-template pTemplate="header">
    <tr>
      <th>Column 1</th>
      <th>Column 2</th>
      <th>Column 3</th>
    </tr>
  </ng-template>
  <ng-template pTemplate="body" let-rowData let-columns="columns">
    <tr [pSelectableRow]="rowData">
      <td>{{rowData.column1}}</td>
      <td>{{rowData.column2}}</td>
      <td>{{rowData.column3}}</td>
    </tr>
  </ng-template>
</p-table>

<p-contextMenu #cm [model]="contextMenuItems"></p-contextMenu>

import { Component, OnInit } from '@angular/core';
import { MenuItem } from 'primeng/api';

@Component({
  selector: 'app-your-component',
  templateUrl: './your-component.component.html',
  styleUrls: ['./your-component.component.css']
})
export class YourComponentComponent implements OnInit {
  data: any[];
  contextMenuItems: MenuItem[];

  ngOnInit() {
    this.data = [
      { column1: 'Value 1', column2: 'Value 2', column3: 'Value 3' },
      { column1: 'Value 4', column2: 'Value 5', column3: 'Value 6' },
      { column1: 'Value 7', column2: 'Value 8', column3: 'Value 9' }
    ];

    this.contextMenuItems = [
      {
        label: 'Delete',
        icon: 'pi pi-trash',
        command: (event) => this.deleteRow(event)
      }
    ];
  }

  deleteRow(event) {
    const selectedRow = event.target.parentElement.parentElement;
    const rowIndex = selectedRow.rowIndex - 1;
    this.data.splice(rowIndex, 1);
  }
}