将数据注入到材质对话框中效果很好,但是如果父/打开器组件中的数据发生更改(例如来自(WAMP)订阅),如何自动更新这些数据呢?
[更新]
我创建了一个最低版本以尝试如何操作:https ://stackblitz.com/edit/angular-njh44v?embed=1&file=src/app/app.component.ts
打开右下角的控制台并单击带有数字的灰色框。您会看到对话框获取了当前编号,并且此后不再进行更新。
[/更新]
[更新2]
基于第二个“ Jusmpty”的想法,这种连接看起来一目了然(即使对话框在数据到达后第一次显示/更新):https ://stackblitz.com/edit/angular-thd34f?embed = 1&file = src / app / app.component.ts
[/ Update]
具体情况如下:
在最后一个动作/步骤上,将发生以下问题:当前数据正在显示(注入),但如果订阅数据中的某些内容发生更改,则不再更新。
@Component({
selector: 'app-area',
template: '<app-part *ngFor="let part of plan" [partData]="part"></app-part>'
})
export class AreaComponent {
plan = [];
planasync$ = this.wampService
.topic('sendplan')
.subscribe(
res => {
let tm = new TableMap();
this.plan = tm.tableToMap(res.argskw).filter((m) => m.area === 1);
},
err => console.log("res err", err),
() => console.log("res complete"));
constructor(private wampService: WampService) { }
}
import { PartDetailsDialogComponent } from './part-details-dialog/part-details-dialog.component';
@Component({
selector: 'app-part-details',
templateUrl: './part.component.html'
})
export class PartComponent {
@Input() partData: any;
constructor(public dialog: MatDialog) {}
openDetailsDialog(): void {
let dialogRef = this.dialog.open(PartDetailsDialogComponent, {
width: '650px',
height: '400px',
data: {
partData: this.partData
}
});
}
}
<mat-card (click)="openDetailsDialog()">
<mat-card-title>Nr: {{ partData.partNr }}</mat-card-title>
<mat-card-content>
<div>Current speed: {{ partData.speed }}</div>
</mat-card-content>
</mat-card>
@Component({
selector: 'app-part-details-dialog',
templateUrl: './part-details-dialog.component.html'
})
export class PartDetailsDialogComponent {
constructor(public dialogRef: MatDialogRef<PartDetailsDialogComponent>, @Inject(MAT_DIALOG_DATA) public data: any) { }
onNoClick(): void {
this.dialogRef.close();
}
}
<h1 mat-dialog-title>Part Details for Nr. {{ data.partData.partNr }}</h1>
<div mat-dialog-content>
<div>Current speed details: {{ data.partData.speed }}</div>
</div>
<div mat-dialog-actions>
<button mat-button (click)="onNoClick()">Cancel</button>
<button mat-button [mat-dialog-close]="data.animal" cdkFocusInitial>Ok</button>
</div>
您可以只更改data
组件实例,如下所示:
this.dialogRef.componentInstance.data = {numbers: value};
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