/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

139 votes224 views6 answers
Angular cli
Javascript AngularJS
1 vote184 views1 answer
Angular adding delay
Javascript AngularJS
1 vote187 views1 answer
Property 'socket' does not exist on type 'Window & typeof globalThis'. angular
Javascript AngularJS
0 vote187 views1 answer
Base href angular
Javascript AngularJS
0 vote168 views1 answer
Angular material remove outline
Javascript AngularJS
0 vote174 views1 answer
Angular.toJson
Javascript AngularJS
1 vote171 views1 answer
Angular run validation on other controls
Javascript AngularJS
12 votes174 views6 answers
Angular conditional class
Javascript AngularJS
0 vote175 views1 answer
Angular cli change serve port
Javascript AngularJS
0 vote189 views1 answer
Angular attach component to body
Javascript AngularJS