我可以以某种方式在组件内部添加工具提示吗?
例如我有带有选择器“app-call-card”
的组件CallCardComponent我可以添加来自 CallsCardsComponent 的工具提示,渲染多个 CallCardComponent,但它可能来自 *< CallCardComponent 中的strong>.ts 文件。
调用列表组件:
<div fxLayout="column" fxLayout.gt-sm="row" class="align-content-start">
<!-- old -->
<ng-container
*ngIf="((service.oldCalls$ | async) | callsOrder:service.filters.orderBy:service.filters.orderDirectionAsc) as calls"
>
<ng-container *ngIf="calls.length > 0">
<div
class="d-inline-block p-2"
[ngStyle.gt-sm]="'width: ' + 100 / $any(service.callsColumnsCount$ | async) + '%'"
style="background-color: rgba(255, 0, 0, 0.3)"
>
<ng-container *ngFor="let call of calls; let i = index">
<ng-container [ngSwitch]="call.callType">
<crm-order-call-card *ngSwitchCase="callType.ORDER" [call]="$any(call)" [class.mt-2]="i > 0"></crm-order-call-card>
<crm-acat-call-card *ngSwitchCase="callType.ACAT" [call]="$any(call)" [class.mt-2]="i > 0"></crm-acat-call-card>
<crm-demo-call-card *ngSwitchCase="callType.DEMO" [call]="$any(call)" [class.mt-2]="i > 0"></crm-demo-call-card>
<crm-online-call-card *ngSwitchCase="callType.ONLINE" [call]="$any(call)" [class.mt-2]="i > 0"></crm-online-call-card>
<crm-key-call-card *ngSwitchCase="callType.KEY" [call]="$any(call)" [class.mt-2]="i > 0"></crm-key-call-card>
</ng-container>
</ng-container>
</div>
</ng-container>
</ng-container>
<!-- current -->
<ng-container
*ngIf="((service.currentCalls$ | async) | callsOrder:service.filters.orderBy:service.filters.orderDirectionAsc) as calls"
>
<ng-container *ngIf="calls.length > 0">
<div
class="d-inline-block p-2"
[ngStyle.gt-sm]="'width: ' + 100 / $any(service.callsColumnsCount$ | async) + '%'"
style="background-color: rgba(54, 155, 255, 0.3)"
>
<ng-container *ngFor="let call of calls; let i = index">
<ng-container [ngSwitch]="call.callType">
<crm-order-call-card *ngSwitchCase="callType.ORDER" [call]="$any(call)" [class.mt-2]="i > 0"></crm-order-call-card>
<crm-acat-call-card *ngSwitchCase="callType.ACAT" [call]="$any(call)" [class.mt-2]="i > 0"></crm-acat-call-card>
<crm-demo-call-card *ngSwitchCase="callType.DEMO" [call]="$any(call)" [class.mt-2]="i > 0"></crm-demo-call-card>
<crm-online-call-card *ngSwitchCase="callType.ONLINE" [call]="$any(call)" [class.mt-2]="i > 0"></crm-online-call-card>
<crm-key-call-card *ngSwitchCase="callType.KEY" [call]="$any(call)" [class.mt-2]="i > 0"></crm-key-call-card>
</ng-container>
</ng-container>
</div>
</ng-container>
</ng-container>
<!-- custom -->
<ng-container
*ngIf="service?.filters?.customDate &&
((service.customCalls$ | async) | callsOrder:service.filters.orderBy:service.filters.orderDirectionAsc) as calls"
>
<ng-container *ngIf="calls.length > 0">
<div
class="d-inline-block p-2"
[ngStyle.gt-sm]="'width: ' + 100 / $any(service.callsColumnsCount$ | async) + '%'"
style="background-color: rgba(0, 128, 0, 0.3)"
>
<ng-container *ngFor="let call of calls; let i = index">
<ng-container [ngSwitch]="call.callType">
<crm-order-call-card *ngSwitchCase="callType.ORDER" [call]="$any(call)" [class.mt-2]="i > 0"></crm-order-call-card>
<crm-acat-call-card *ngSwitchCase="callType.ACAT" [call]="$any(call)" [class.mt-2]="i > 0"></crm-acat-call-card>
<crm-demo-call-card *ngSwitchCase="callType.DEMO" [call]="$any(call)" [class.mt-2]="i > 0"></crm-demo-call-card>
<crm-online-call-card *ngSwitchCase="callType.ONLINE" [call]="$any(call)" [class.mt-2]="i > 0"></crm-online-call-card>
<crm-key-call-card *ngSwitchCase="callType.KEY" [call]="$any(call)" [class.mt-2]="i > 0"></crm-key-call-card>
</ng-container>
</ng-container>
</div>
</ng-container>
</ng-container>
<!-- payed -->
<ng-container *ngIf="(service.payedCalls$ | async) as calls">
<ng-container *ngIf="calls.length > 0">
<div
class="d-inline-block p-2"
[ngClass.lt-md]="'order-first'"
[ngStyle.gt-sm]="'width: ' + 100 / $any(service.callsColumnsCount$ | async) + '%'"
style="background-color: rgba(255, 255, 0, 0.3)"
>
<ng-container *ngFor="let call of calls; let i = index">
<ng-container [ngSwitch]="call.callType">
<crm-order-call-card *ngSwitchCase="callType.ORDER" [call]="$any(call)" [class.mt-2]="i > 0"></crm-order-call-card>
<crm-reg-card-call-card *ngSwitchCase="callType.REG_CARD" [call]="$any(call)" [class.mt-2]="i > 0"></crm-reg-card-call-card>
</ng-container>
</ng-container>
</div>
</ng-container>
</ng-container>
</div>
答案 0 :(得分:1)
a) 你想做的是不可能的。没有您可以将指令附加到的“主机”伪元素。
b) 您可以在组件内简单地使用 width=height=100% 的顶级 div,将指令附加到该 div。
c) 由于您的控制流指令 (*ngFor?) 很可能在组件之外,为什么不在该级别添加工具提示指令?
如果可能,我会使用 c)。