[英]How do you prevent material icon text from showing up in material selection
当选择了垫选项时,如何防止显示材料图标文本?
Component.html
<form [formGroup]="autoPopulatePOCForm">
<mat-form-field class="savedPocWrapper">
<mat-select class="form-control" formControlName="poc" id="poc" ngDefaultControl disableRipple disableOptionCentering>
<mat-select-trigger>
{{poc.lastName}}, {{poc.firstName}} ({{poc.email}})
</mat-select-trigger>
<mat-option class="poc-mat-option" value="">Choose</mat-option>
<mat-option class="poc-mat-option" *ngFor="let poc of savedPOCs" [value]="poc">
<button class="poc-mat-button" type="button" (click)="deletePOC(poc.email)" mat-icon-button>
<mat-icon class="poc-mat-icon">
<i class="material-icons">delete</i>
</mat-icon>
</button>
{{poc.lastName}}, {{poc.firstName}} ({{poc.email}})
</mat-option>
</mat-select>
</mat-form-field>
</form>
Component.ts
this.autoPopulatePOCForm = this.formBuilder.group({
poc: new FormControl()
});
更新资料
设置mat-select-trigger是我想要做的,但是我无法使数据绑定在FormGroup中工作。
尝试这个
<mat-icon class="poc-mat-icon">
<i class="material-icons">delete</i>
</mat-icon>
有一个名为mat-select-trigger
的组件
<mat-form-field class="savedPocWrapper">
<mat-select class="form-control" formControlName="poc" id="poc" ngDefaultControl disableRipple disableOptionCentering="false">
<mat-select-trigger>
<button>
<mat-icon>delete</mat-icon>
</button>
{{selectionText}}
</mat-select-trigger>
<mat-option class="poc-mat-option" value="">Choose</mat-option>
<mat-option class="poc-mat-option" *ngFor="let poc of savedPOCs" [value]="poc">
<button class="poc-mat-button" type="button" (click)="deletePOC(poc.email)" isIconButton mat-icon-button>
<mat-icon class="poc-mat-icon" aria-hidden="true">delete</mat-icon>
</button>
{{poc.lastName}}, {{poc.firstName}} ({{poc.email}})
</mat-option>
</mat-select>
</mat-form-field>
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