/Javascript/AngularJS/Change icon on click angular

Change icon on click angular

import { Component } from '@angular/core'

export interface CollapsibleItem { 
    label: string; 
    text: string;
    state: boolean;
}

@Component({
selector:'whateveryouwant',
template: `

<ul class="collapsible" data-collapsible="accordion">
    <li *ngFor="let item of menuItems; let i = index" (click)="menuClick(i)">
       <div class="collapsible-header">
         <i class="material-icons" *ngIf="item.state"> minus-icon </i>
         <i class="material-icons" *ngIf="!item.state"> plus-icon </i>
         {{ item.label }} 
       </div>
       <div class="collapsible-body">
         <span> {{ item.text }} </span>
       </div>
    </li>
`,
styles: ['']  
})

export class YourComponentName {

   constructor() {  }  

    menuItems: CollapsibleItem[] = [
    { label: 'First', text: 'Lorem Ipsum', state: false },
    { label: 'Second', text: 'Lorem Ipsum', state: false },
    { label: 'Third', text: 'Lorem Ipsum', state: false },
   ];

    menuClick(clickedItem: number) {
        this.menuItems[clickedItem].state = !this.menuItems[clickedItem].state  // flips the boolean value for the clicked item 
        for (let item of this.menuItems) {  
           if ( item !== this.menuItems[clickedItem] ) { 
               item.state = false; 
           }
        }
        // the for loop goes through the array and sets each item to false *if* its not the item that was clicked
     }   
 }

Source: stackoverflow.com

Similar codes

0 vote217 views1 answer
Angular remove index of array
Javascript AngularJS
0 vote149 views1 answer
How can I check which version of Angular I'm using?
Javascript AngularJS
0 vote138 views1 answer
Angular dynamic script loading
Javascript AngularJS
6 votes154 views1 answer
Get value onChange from mat-select angular
Javascript AngularJS
4 votes100 views1 answer
Angular component between tags
Javascript AngularJS
0 vote139 views1 answer
Cache management in angular 7
Javascript AngularJS
0 vote137 views1 answer
App is not a known element angular error
Javascript AngularJS
3 votes137 views1 answer
Install ionic @angular/fire
Javascript AngularJS
26 votes152 views1 answer
Angular lifecycle hooks
Javascript AngularJS
0 vote156 views1 answer
Extension for local storage in angular 8
Javascript AngularJS