[英]How to toggle mat-icon in angular?
i have multiple mat-icon (which comes dynamically) in mat-table. 我在垫子桌子上有多个垫子图标(动态出现)。 when i click on specific mat-icon for toggle mat-icon, it toggles all mat-icons but i want to toggle only clicked mat-icon.
当我单击特定的Mat-icon切换Mat-icon时,它切换了所有Mat-icon,但是我只想切换单击的Mat-icon。 how to do this?
这个怎么做?
follow.component.html follow.component.html
<table mat-table [dataSource]="dataSource">
<ng-container matColumnDef="username">
<th mat-header-cell *matHeaderCellDef> Full Name </th>
<td mat-cell *matCellDef="let element"> {{element.username}} </td>
</ng-container>
<ng-container matColumnDef="action">
<th mat-header-cell *matHeaderCellDef> Follow </th>
<td mat-cell *matCellDef="let element">
<button mat-mini-fab color="primary" (click)="toggleIcon()"><mat-icon>{{icon}}</mat-icon></button>
</td>
</ng-container>
</mat-table>
follow.component.ts follow.component.ts
dataSource : MatTableDataSource<PeriodicElement> ;
displayedColumns: string[] = ['username','action'];
toggleIcon() {
if (this.icon === 'person_add_disabled') {
this.icon = 'person_add';
} else {
this.icon = 'person_add_disabled'
}
}
this.supportService.getUsersListForFollowing({'userid':this.userid}).
subscribe((data) => {
if(data.status == 1){
this.dataSource = new MatTableDataSource<PeriodicElement>(data.payload);
}
}
);
export interface PeriodicElement {
username : string;
}
I'm not familiar with the angular material but I think you should include the disabled-information in the element itself. 我对角度材料不熟悉,但是我认为您应该在元素本身中包含禁用信息。 You can easily output the desired icon in the icon component with a ternary operator.
您可以使用三元运算符在图标组件中轻松输出所需的图标。
<td mat-cell *matCellDef="let element">
<button mat-mini-fab color="primary" (click)="element.disabled = !element.disabled"><mat-icon>{{element.disabled ? 'person_add_disabled' : 'person_add'}}</mat-icon></button>
</td>
The following statement toggles the disabled property of your row 以下语句切换行的Disabled属性
(click)="element.disabled = !element.disabled"
This ternary operator returns the desired string used by mat-icon 该三元运算符返回mat-icon使用的所需字符串
<mat-icon>{{element.disabled ? 'person_add_disabled' : 'person_add'}}</mat-icon>
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