add onclick and ngif

angular-tour-of-heroes/src/app/heroes/heroes.component.html

@@ -9,9 +9,18 @@
 <h2>My Heroes</h2>
 <ul class="heroes">
   <li *ngFor="let hero of heroes">
-    <button type="button">
+    <button [class.selected]="hero === selectedHero" type="button" (click)="onSelect(hero)">
       <span class="badge">{{hero.id}}</span>
       <span class="name">{{hero.name}}</span>
     </button>
   </li>
-</ul>
+</ul>
+
+<div *ngIf="selectedHero">
+  <h2>{{selectedHero.name}} Details</h2>
+  <div>id: {{selectedHero.id}}</div>
+  <div>
+    <label for="hero-name">Hero name: </label>
+    <input id="hero-name" [(ngModel)]="selectedHero.name" placeholder="name">
+  </div>
+</div>

angular-tour-of-heroes/src/app/heroes/heroes.component.scss

@@ -0,0 +1,66 @@
+/* HeroesComponent's private CSS styles */
+.heroes {
+  margin: 0 0 2em 0;
+  list-style-type: none;
+  padding: 0;
+  width: 15em;
+}
+
+.heroes li {
+  display: flex;
+}
+
+.heroes button {
+  flex: 1;
+  cursor: pointer;
+  position: relative;
+  left: 0;
+  background-color: #EEE;
+  margin: .5em;
+  padding: 0;
+  border-radius: 4px;
+  display: flex;
+  align-items: stretch;
+  height: 1.8em;
+}
+
+.heroes button:hover {
+  color: #2c3a41;
+  background-color: #e6e6e6;
+  left: .1em;
+}
+
+.heroes button:active {
+  background-color: #525252;
+  color: #fafafa;
+}
+
+.heroes button.selected {
+  background-color: black;
+  color: white;
+}
+
+.heroes button.selected:hover {
+  background-color: #505050;
+  color: white;
+}
+
+.heroes button.selected:active {
+  background-color: black;
+  color: white;
+}
+
+.heroes .badge {
+  display: inline-block;
+  font-size: small;
+  color: white;
+  padding: 0.8em 0.7em 0 0.7em;
+  background-color: #405061;
+  line-height: 1em;
+  margin-right: .8em;
+  border-radius: 4px 0 0 4px;
+}
+
+.heroes .name {
+  align-self: center;
+}

angular-tour-of-heroes/src/app/heroes/heroes.component.ts

@@ -1,13 +1,13 @@
 import { Component } from '@angular/core';
 import { FormsModule } from '@angular/forms';
-import { NgFor } from '@angular/common';
+import { NgFor, NgIf } from '@angular/common';
 import  { Hero } from '../hero'
 import { HEROES } from '../mock-heroes';
 
 
 @Component({
   selector: 'app-heroes',
-  imports: [FormsModule, NgFor],
+  imports: [FormsModule, NgFor, NgIf],
   templateUrl: './heroes.component.html',
   styleUrl: './heroes.component.scss'
 })
@@ -17,4 +17,8 @@ export class HeroesComponent {
     name: 'Windstorm'
   };
   heroes = HEROES;
+  selectedHero?: Hero;
+  onSelect(hero: Hero): void {
+    this.selectedHero = hero;
+  }
 }