有没有一种方法可以根据来自这些选项卡内容的表单提交在 angular material 选项卡之间切换？

Question

我正在开发 angular 网络应用程序。我需要根据在这些选项卡的内容中执行的操作来控制我的 angular 选项卡。例如，我有以下选项卡：项目信息，变化，价钱，库存等这些选项卡包含由 angular 组件加载的表单。当项目信息表单提交成功时，我想自动切换到变体选项卡。此外，用户在保存项目信息之前不应该能够切换到变体选项卡。

<mat-tab-group class=" navbar-default panel-piluku  nav nav-justified nav-wizard nav-progression" > 
  <mat-tab class="outbound_link" role="button" title="Item Info" label="Item Info">
    <add-product-information></add-product-information>
  </mat-tab>
  <mat-tab class="outbound_link" role="button" title="Variations" label="Variations">
    <add-product-variation></add-product-variation>
  </mat-tab>
  <mat-tab class="outbound_link" role="button" title="Pricing" label="Pricing">
      <add-product-pricing></add-product-pricing>
  </mat-tab>
  <mat-tab class="outbound_link" role="button" title="Inventory" label="Inventory">
      <add-product-stock></add-product-stock>
  </mat-tab>
  <mat-tab class="outbound_link" role="button" title="Images" label="Images">
    <add-product-images></add-product-images>
  </mat-tab>
  <mat-tab class="outbound_link" role="button" title="Locations" label="Locations">
    <add-product-locations></add-product-locations>
  </mat-tab>
</mat-tab-group>

constructor(private route: ActivatedRoute, private productsService: ProductsService, private router: Router, public dialog: MatDialog, private suppliersService: SuppliersService) { }
  submitProduct = function(){
    this.product["sku"] = this.sku;
    this.product["alternate_sku"] = this.alternate_sku;
    this.product["product_name"] = this.product_name;
    this.product["product_description"] = this.product_description;
    this.product["category"] = this.category_id;
    this.product["price_per_unit"] = this.price_per_unit;
    this.product["reorder_level"] = this.reorder_level;
    this.product["discontinued"] = this.discontinued;
    this.product["cost"] = this.cost;
    this.product["default_price"] = this.default_price;
    this.product["best_price"] = this.best_price;
    this.product["medium_price"] = this.medium_price;
    this.product["brand"] = this.brand;
    this.product["upc"] = this.upc;
    this.productsService.addProduct(this.product).subscribe((data)=>{
      ````Here the tab should switch```````
    });

<form action="submitProduct()" id="item_form" class="form-horizontal" method="post" accept-charset="utf-8">

  <input type="hidden" name="ecommerce_product_id" value="" />
...
...
...

      <div class="form-actions">
        <input type="submit" name="submitf" value="Save" id="submitf"
          (click)="submitProduct()" class="submit_button floating-button btn btn-lg btn-primary" />
      </div>
    </div>
  </div>
</form>

Answer 1

可以使用 selectIndex 输入到 mat-tab-group 来控制选择的选项卡。要更改 tabSelected ，将其设置为您需要的选项卡索引，然后选项卡更改为设置的索引。

为此，我将简单地定义一个服务并使用行为主题。我的服务定义：

my-tab.service.ts :

@Injectable()

export class MyTabService{
 tabSubject : BehaviorSubject<number> = new BehaviorSubject<number>(0);

 constructor(){}

 setTabSelected(tabIndex : number){
  this.tabSubject.next(tabIndex);
 } 

 getTabSelected() {
  this.tabSubject.asObservable();
 }
}

现在在您的选项卡组件中订阅 getTabSelected()，您将在订阅响应中收到 tabIndex。

考虑到您的标签组件是 my-tab.component.ts ,

@Component({...})
export class MyTabComponent {
 selectdIndex : number = 0;
 constructor(private _myTabService : MyTabService){}

 ngOnInit(){

 this.-myTabService.getTabSelected().subscribe((tabIndex : number) =>{
  this.selectedIndex = tabIndex;
 })

...
 }
...
}

在模板中使用 selectedIndex ：

<mat-tab-group class=" navbar-default panel-piluku  nav nav-justified nav-wizard nav-progression" [selectedIndex]='selectedIndex'> 
  <mat-tab class="outbound_link" role="button" title="Item Info" label="Item Info">
    <add-product-information></add-product-information>
  </mat-tab>
  <mat-tab class="outbound_link" role="button" title="Variations" label="Variations">
    <add-product-variation></add-product-variation>
  </mat-tab>
  <mat-tab class="outbound_link" role="button" title="Pricing" label="Pricing">
      <add-product-pricing></add-product-pricing>
  </mat-tab>
  <mat-tab class="outbound_link" role="button" title="Inventory" label="Inventory">
      <add-product-stock></add-product-stock>
  </mat-tab>
  <mat-tab class="outbound_link" role="button" title="Images" label="Images">
    <add-product-images></add-product-images>
  </mat-tab>
  <mat-tab class="outbound_link" role="button" title="Locations" label="Locations">
    <add-product-locations></add-product-locations>
  </mat-tab>
</mat-tab-group>

有关垫选项卡组中输入和事件的更多信息，请参阅：Mat Tab

有没有一种方法可以根据来自这些选项卡内容的表单提交在 angular material 选项卡之间切换？

Is there a way to switch between angular material tabs based on a form submission from contents of those tabs?

angular

mat-tab