- 与
mat-nav-list
mat-sidenav
(opened="true"
( - 每
mat-list-item
都有一个mat-icon
和一个span
-
mat-sidenav-container
有autosize
指令
但是在调整mat-sidenav
的大小(折叠/展开(期间没有动画。
.HTML
<mat-sidenav-container class="example-container" autosize>
<mat-sidenav mode="side" [opened]="true" #sidenav>
<mat-nav-list>
<mat-list-item (click)="isExpanded=!isExpanded">
<mat-icon matListIcon>reorder</mat-icon>
</mat-list-item>
<mat-list-item>
<mat-icon matListIcon>home</mat-icon>
<span *ngIf="isExpanded">Home</span>
</mat-list-item>
<mat-list-item>
<mat-icon matListIcon>person</mat-icon>
<span *ngIf="isExpanded">Athlets</span>
</mat-list-item>
<mat-list-item>
<mat-icon matListIcon>group</mat-icon>
<span *ngIf="isExpanded">Teams & Partnerships</span>
</mat-list-item>
</mat-nav-list>
</mat-sidenav>
<mat-sidenav-content>
<h3>Dashboard</h3>
</mat-sidenav-content>
</mat-sidenav-container>
.CSS
.example-container {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
}
.mat-sidenav {
background-color:#3a3636;
}
.mat-list-item {
color: #faf6f6;
}
.mat-list-item:hover {
color: #3a3636;
background-color:#faf6f6;
}
TS
import { Component } from '@angular/core';
@Component({
selector: 'app-root',
templateUrl: './app.component.html',
styleUrls: ['./app.component.css']
})
export class AppComponent {
isExpanded = true;
}
如果 Angular Material2 中没有内置的实现,我该如何实现动画?
如果你想隐藏菜单,这里有一种方法可以做到:
使用动画状态,您可以简单地使用样式转换来翻译侧边栏。
动画.ts
import {
trigger,
state,
style,
animate,
transition
} from '@angular/animations';
export const hideAnimation =
trigger('hideAnimation', [
state('opened', style({ transform: 'translateX(0%)' })),
state('closed', style({ transform: 'translateX(-100%)' })),
transition('* => *', [
animate(500)
])
]);
app.component.ts
@Component({
...
animations: [hideAnimation]
})
export class AppComponent {
state = 'opened';
toggleState() {
this.state = this.state === 'opened' ? 'closed' : 'opened';
}
}
app.component.html
<mat-sidenav-container class="example-container" autosize>
<mat-sidenav [@hideAnimation]="state" mode="side" [opened]="true" #sidenav>
<mat-nav-list>
<mat-list-item (click)="toggleState()">
<mat-icon matListIcon>reorder</mat-icon>
</mat-list-item>
<mat-list-item>
<mat-icon matListIcon>home</mat-icon>
<span>Home</span>
</mat-list-item>
<mat-list-item>
<mat-icon matListIcon>person</mat-icon>
<span>Athlets</span>
</mat-list-item>
<mat-list-item>
<mat-icon matListIcon>group</mat-icon>
<span>Teams & Partnerships</span>
</mat-list-item>
</mat-nav-list>
</mat-sidenav>
<mat-sidenav-content>
<h3>Dashboard</h3>
</mat-sidenav-content>
</mat-sidenav-container>
编辑
要仅隐藏跨度并减小侧边导航的大小,这可以帮助您更接近您想要实现的目标:
动画.ts
export const menuAnimation =
trigger('menuAnimation', [
state('opened', style({ opacity: 1 })),
state('closed', style({ opacity: 0, width: '0px', display: 'none' })),
transition('* => *', [
animate(500)
])
]);
app.component.html
<mat-sidenav-container class="example-container" autosize>
<mat-sidenav mode="side" [opened]="true" #sidenav>
<mat-nav-list>
<mat-list-item (click)="toggleState()">
<mat-icon matListIcon>reorder</mat-icon>
</mat-list-item>
<mat-list-item>
<mat-icon matListIcon>home</mat-icon>
<span [@menuAnimation]="state">Home</span>
</mat-list-item>
<mat-list-item>
<mat-icon matListIcon>person</mat-icon>
<span [@menuAnimation]="state">Athlets</span>
</mat-list-item>
<mat-list-item>
<mat-icon matListIcon>group</mat-icon>
<span [@menuAnimation]="state">Teams & Partnerships</span>
</mat-list-item>
</mat-nav-list>
</mat-sidenav>
<mat-sidenav-content>
<h3>Dashboard</h3>
</mat-sidenav-content>
</mat-sidenav-container>