This commit is contained in:
Meutel 2018-02-10 15:34:11 +01:00
parent f654108cab
commit 4b75f29e54
35 changed files with 868 additions and 25 deletions

5
package-lock.json generated
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@ -473,6 +473,11 @@
}
}
},
"angular-in-memory-web-api": {
"version": "0.5.3",
"resolved": "https://registry.npmjs.org/angular-in-memory-web-api/-/angular-in-memory-web-api-0.5.3.tgz",
"integrity": "sha512-1QPwwXG8R/2s7EbHh13HDiJYsk4sdBHNxHJHZHJ/Kxb4T9OG+bb1kGcXzY9UrJkEVxOtUW0ozvL4p/HmeIEszg=="
},
"ansi-html": {
"version": "0.0.7",
"resolved": "https://registry.npmjs.org/ansi-html/-/ansi-html-0.0.7.tgz",

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@ -21,6 +21,7 @@
"@angular/platform-browser": "^5.2.0",
"@angular/platform-browser-dynamic": "^5.2.0",
"@angular/router": "^5.2.0",
"angular-in-memory-web-api": "^0.5.3",
"core-js": "^2.4.1",
"rxjs": "^5.5.6",
"zone.js": "^0.8.19"

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@ -0,0 +1,18 @@
import { NgModule } from '@angular/core';
import { RouterModule, Routes } from '@angular/router';
import { HeroesComponent } from './heroes/heroes.component';
import { DashboardComponent } from './dashboard/dashboard.component';
import { HeroDetailComponent } from './hero-detail/hero-detail.component';
const routes: Routes = [
{ path: 'heroes', component: HeroesComponent },
{ path: 'dashboard', component: DashboardComponent },
{ path: 'detail/:id', component: HeroDetailComponent },
{ path: '', redirectTo: '/dashboard', pathMatch: 'full' }
];
@NgModule({
imports: [ RouterModule.forRoot(routes) ],
exports: [ RouterModule ]
})
export class AppRoutingModule { }

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@ -0,0 +1,29 @@
/* AppComponent's private CSS styles */
h1 {
font-size: 1.2em;
color: #999;
margin-bottom: 0;
}
h2 {
font-size: 2em;
margin-top: 0;
padding-top: 0;
}
nav a {
padding: 5px 10px;
text-decoration: none;
margin-top: 10px;
display: inline-block;
background-color: #eee;
border-radius: 4px;
}
nav a:visited, a:link {
color: #607D8B;
}
nav a:hover {
color: #039be5;
background-color: #CFD8DC;
}
nav a.active {
color: #039be5;
}

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@ -1,20 +1,7 @@
<!--The content below is only a placeholder and can be replaced.-->
<div style="text-align:center">
<h1>
Welcome to {{ title }}!
</h1>
<img width="300" alt="Angular Logo" src="data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNTAgMjUwIj4KICAgIDxwYXRoIGZpbGw9IiNERDAwMzEiIGQ9Ik0xMjUgMzBMMzEuOSA2My4ybDE0LjIgMTIzLjFMMTI1IDIzMGw3OC45LTQzLjcgMTQuMi0xMjMuMXoiIC8+CiAgICA8cGF0aCBmaWxsPSIjQzMwMDJGIiBkPSJNMTI1IDMwdjIyLjItLjFWMjMwbDc4LjktNDMuNyAxNC4yLTEyMy4xTDEyNSAzMHoiIC8+CiAgICA8cGF0aCAgZmlsbD0iI0ZGRkZGRiIgZD0iTTEyNSA1Mi4xTDY2LjggMTgyLjZoMjEuN2wxMS43LTI5LjJoNDkuNGwxMS43IDI5LjJIMTgzTDEyNSA1Mi4xem0xNyA4My4zaC0zNGwxNy00MC45IDE3IDQwLjl6IiAvPgogIDwvc3ZnPg==">
</div>
<h2>Here are some links to help you start: </h2>
<ul>
<li>
<h2><a target="_blank" rel="noopener" href="https://angular.io/tutorial">Tour of Heroes</a></h2>
</li>
<li>
<h2><a target="_blank" rel="noopener" href="https://github.com/angular/angular-cli/wiki">CLI Documentation</a></h2>
</li>
<li>
<h2><a target="_blank" rel="noopener" href="https://blog.angular.io/">Angular blog</a></h2>
</li>
</ul>
<h1> {{ title }} </h1>
<nav>
<a routerLink="/dashboard">Dashboard</a>
<a routerLink="/heroes">Heroes</a>
</nav>
<router-outlet></router-outlet>
<app-messages></app-messages>

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@ -6,5 +6,5 @@ import { Component } from '@angular/core';
styleUrls: ['./app.component.css']
})
export class AppComponent {
title = 'app';
title = 'Tour of Heroes';
}

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@ -1,18 +1,48 @@
import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { FormsModule } from '@angular/forms';
import { HttpClientModule } from '@angular/common/http';
import { AppComponent } from './app.component';
import { HeroesComponent } from './heroes/heroes.component';
import { HeroDetailComponent } from './hero-detail/hero-detail.component';
import { HeroService } from './hero.service';
import { MessagesComponent } from './messages/messages.component';
import { MessageService } from './message.service';
import { AppRoutingModule } from './/app-routing.module';
import { DashboardComponent } from './dashboard/dashboard.component';
import { HeroSearchComponent } from './hero-search/hero-search.component';
import { HttpClientInMemoryWebApiModule } from 'angular-in-memory-web-api';
import { InMemoryDataService } from './in-memory-data.service';
@NgModule({
declarations: [
AppComponent
AppComponent,
HeroesComponent,
HeroDetailComponent,
MessagesComponent,
DashboardComponent,
HeroSearchComponent
],
imports: [
BrowserModule
BrowserModule,
FormsModule,
AppRoutingModule,
HttpClientModule,
// The HttpClientInMemoryWebApiModule module intercepts HTTP requests
// and returns simulated server responses.
// Remove it when a real server is ready to receive requests.
HttpClientInMemoryWebApiModule.forRoot(
InMemoryDataService, { dataEncapsulation: false }
)
],
providers: [
HeroService,
MessageService,
],
providers: [],
bootstrap: [AppComponent]
})
export class AppModule { }

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@ -0,0 +1,62 @@
/* DashboardComponent's private CSS styles */
[class*='col-'] {
float: left;
padding-right: 20px;
padding-bottom: 20px;
}
[class*='col-']:last-of-type {
padding-right: 0;
}
a {
text-decoration: none;
}
*, *:after, *:before {
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
}
h3 {
text-align: center; margin-bottom: 0;
}
h4 {
position: relative;
}
.grid {
margin: 0;
}
.col-1-4 {
width: 25%;
}
.module {
padding: 20px;
text-align: center;
color: #eee;
max-height: 120px;
min-width: 120px;
background-color: #607D8B;
border-radius: 2px;
}
.module:hover {
background-color: #EEE;
cursor: pointer;
color: #607d8b;
}
.grid-pad {
padding: 10px 0;
}
.grid-pad > [class*='col-']:last-of-type {
padding-right: 20px;
}
@media (max-width: 600px) {
.module {
font-size: 10px;
max-height: 75px; }
}
@media (max-width: 1024px) {
.grid {
margin: 0;
}
.module {
min-width: 60px;
}
}

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@ -0,0 +1,11 @@
<h3>Top Heroes</h3>
<div class="grid grid-pad">
<a *ngFor="let hero of heroes" class="col-1-4"
routerLink="/detail/{{ hero.id }}">
<div class="module hero">
<h4>{{hero.name}}</h4>
</div>
</a>
</div>
<app-hero-search></app-hero-search>

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@ -0,0 +1,25 @@
import { async, ComponentFixture, TestBed } from '@angular/core/testing';
import { DashboardComponent } from './dashboard.component';
describe('DashboardComponent', () => {
let component: DashboardComponent;
let fixture: ComponentFixture<DashboardComponent>;
beforeEach(async(() => {
TestBed.configureTestingModule({
declarations: [ DashboardComponent ]
})
.compileComponents();
}));
beforeEach(() => {
fixture = TestBed.createComponent(DashboardComponent);
component = fixture.componentInstance;
fixture.detectChanges();
});
it('should create', () => {
expect(component).toBeTruthy();
});
});

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@ -0,0 +1,24 @@
import { Component, OnInit } from '@angular/core';
import { Hero } from '../hero';
import { HeroService } from '../hero.service';
@Component({
selector: 'app-dashboard',
templateUrl: './dashboard.component.html',
styleUrls: ['./dashboard.component.css']
})
export class DashboardComponent implements OnInit {
heroes: Hero[] = [];
constructor(private heroService: HeroService) { }
ngOnInit() {
this.getHeroes();
}
getHeroes(): void {
this.heroService.getHeroes()
.subscribe(heroes => this.heroes = heroes.slice(1, 5));
}
}

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@ -0,0 +1,12 @@
<div *ngIf="hero">
<h2> {{ hero.name | uppercase }} Details</h2>
<div><span> id: {{ hero.id }} </span></div>
<div>
<label> name:
<input [(ngModel)]="hero.name" placeholder="name">
</label>
</div>
</div>
<button (click)="save()"> save </button>
<button (click)="goBack()">go back</button>

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@ -0,0 +1,25 @@
import { async, ComponentFixture, TestBed } from '@angular/core/testing';
import { HeroDetailComponent } from './hero-detail.component';
describe('HeroDetailComponent', () => {
let component: HeroDetailComponent;
let fixture: ComponentFixture<HeroDetailComponent>;
beforeEach(async(() => {
TestBed.configureTestingModule({
declarations: [ HeroDetailComponent ]
})
.compileComponents();
}));
beforeEach(() => {
fixture = TestBed.createComponent(HeroDetailComponent);
component = fixture.componentInstance;
fixture.detectChanges();
});
it('should create', () => {
expect(component).toBeTruthy();
});
});

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@ -0,0 +1,41 @@
import { Component, OnInit, Input } from '@angular/core';
import { Hero } from '../hero';
import { ActivatedRoute } from '@angular/router';
import { Location } from '@angular/common';
import { HeroService } from '../hero.service';
@Component({
selector: 'app-hero-detail',
templateUrl: './hero-detail.component.html',
styleUrls: ['./hero-detail.component.css']
})
export class HeroDetailComponent implements OnInit {
@Input() hero: Hero;
constructor(
private route: ActivatedRoute,
private heroService: HeroService,
private location: Location
) { }
ngOnInit() {
this.getHero();
}
getHero(): void {
const id = +this.route.snapshot.paramMap.get('id');
this.heroService.getHero(id)
.subscribe(h => this.hero = h);
}
goBack(): void {
this.location.back();
}
save(): void {
this.heroService.updateHero(this.hero)
.subscribe(() => this.goBack());
}
}

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@ -0,0 +1,39 @@
/* HeroSearch private styles */
.search-result li {
border-bottom: 1px solid gray;
border-left: 1px solid gray;
border-right: 1px solid gray;
width:195px;
height: 16px;
padding: 5px;
background-color: white;
cursor: pointer;
list-style-type: none;
}
.search-result li:hover {
background-color: #607D8B;
}
.search-result li a {
color: #888;
display: block;
text-decoration: none;
}
.search-result li a:hover {
color: white;
}
.search-result li a:active {
color: white;
}
#search-box {
width: 200px;
height: 20px;
}
ul.search-result {
margin-top: 0;
padding-left: 0;
}

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@ -0,0 +1,13 @@
<div id="search-component">
<h4>Hero Search</h4>
<input #searchBox id="search-box" (keyup)="search(searchBox.value)" />
<ul class="search-result">
<li *ngFor="let hero of heroes$ | async" >
<a routerLink="/detail/{{hero.id}}">
{{hero.name}}
</a>
</li>
</ul>
</div>

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@ -0,0 +1,25 @@
import { async, ComponentFixture, TestBed } from '@angular/core/testing';
import { HeroSearchComponent } from './hero-search.component';
describe('HeroSearchComponent', () => {
let component: HeroSearchComponent;
let fixture: ComponentFixture<HeroSearchComponent>;
beforeEach(async(() => {
TestBed.configureTestingModule({
declarations: [ HeroSearchComponent ]
})
.compileComponents();
}));
beforeEach(() => {
fixture = TestBed.createComponent(HeroSearchComponent);
component = fixture.componentInstance;
fixture.detectChanges();
});
it('should create', () => {
expect(component).toBeTruthy();
});
});

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@ -0,0 +1,43 @@
import { Component, OnInit } from '@angular/core';
import { Observable } from 'rxjs/Observable';
import { Subject } from 'rxjs/Subject';
import { of } from 'rxjs/observable/of';
import {
debounceTime, distinctUntilChanged, switchMap
} from 'rxjs/operators';
import { Hero } from '../hero';
import { HeroService } from '../hero.service';
@Component({
selector: 'app-hero-search',
templateUrl: './hero-search.component.html',
styleUrls: [ './hero-search.component.css' ]
})
export class HeroSearchComponent implements OnInit {
heroes$: Observable<Hero[]>;
private searchTerms = new Subject<string>();
constructor(private heroService: HeroService) {}
// Push a search term into the observable stream.
search(term: string): void {
this.searchTerms.next(term);
}
ngOnInit(): void {
this.heroes$ = this.searchTerms.pipe(
// wait 300ms after each keystroke before considering the term
debounceTime(300),
// ignore new term if same as previous term
distinctUntilChanged(),
// switch to new search observable each time the term changes
switchMap((term: string) => this.heroService.searchHeroes(term)),
);
}
}

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@ -0,0 +1,15 @@
import { TestBed, inject } from '@angular/core/testing';
import { HeroService } from './hero.service';
describe('HeroService', () => {
beforeEach(() => {
TestBed.configureTestingModule({
providers: [HeroService]
});
});
it('should be created', inject([HeroService], (service: HeroService) => {
expect(service).toBeTruthy();
}));
});

102
src/app/hero.service.ts Normal file
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@ -0,0 +1,102 @@
import { Injectable } from '@angular/core';
import { Hero } from './hero';
import { HEROES } from './mock-heroes';
import { Observable } from 'rxjs/Observable';
import { of } from 'rxjs/observable/of';
import { MessageService } from './message.service';
import { HttpClient, HttpHeaders } from '@angular/common/http';
import { catchError, map, tap } from 'rxjs/operators';
const httpOptions = {
headers: new HttpHeaders({ 'Content-Type': 'application/json' })
};
@Injectable()
export class HeroService {
private heroesUrl = 'api/heroes';
constructor(
private http: HttpClient,
private messageService: MessageService
) { }
getHeroes(): Observable<Hero[]> {
return this.http.get<Hero[]>(this.heroesUrl)
.pipe(
tap(heroes => this.log('fetched heroes')),
catchError(this.handleError('getHeroes', []))
);
}
getHero(id: number): Observable<Hero> {
const heroUrl = `${this.heroesUrl}/${id}`;
return this.http.get<Hero>(heroUrl)
.pipe(
tap(_ => this.log(`fetched hero id=${id}`)),
catchError(this.handleError<Hero>(`getHero id=${id}`))
);
}
updateHero(hero: Hero): Observable<any> {
return this.http.put(this.heroesUrl, hero, httpOptions)
.pipe(
tap(_ => this.log(`updated hero id=${hero.id}`)),
catchError(this.handleError<any>('updateHero'))
);
}
addHero(hero: Hero): Observable<Hero> {
return this.http.post(this.heroesUrl, hero, httpOptions)
.pipe(
tap(_ => this.log(`added hero id=${hero.id}`)),
catchError(this.handleError<any>('addHero'))
);
}
/** DELETE: delete the hero from the server */
deleteHero (hero: Hero | number): Observable<Hero> {
const id = typeof hero === 'number' ? hero : hero.id;
const url = `${this.heroesUrl}/${id}`;
return this.http.delete<Hero>(url, httpOptions).pipe(
tap(_ => this.log(`deleted hero id=${id}`)),
catchError(this.handleError<Hero>('deleteHero'))
);
}
searchHeroes(term: string): Observable<Hero[]> {
term = term.trim();
if (!term) { return of([]); }
return this.http.get<Hero[]>(`api/heroes/?name=${term}`)
.pipe(
tap(_ => this.log(`found heroes matching "${term}"`)),
catchError(this.handleError<Hero[]>('searchHeroes', []))
);
}
private log(message: string) {
this.messageService.add('HeroService: ' + message);
}
/**
* Handle Http operation that failed.
* Let the app continue.
* @param operation - name of the operation that failed
* @param result - optional value to return as the observable result
*/
private handleError<T> (operation = 'operation', result?: T) {
return (error: any): Observable<T> => {
// TODO: send the error to remote logging infrastructure
console.error(error); // log to console instead
// TODO: better job of transforming error for user consumption
this.log(`${operation} failed: ${error.message}`);
// Let the app keep running by returning an empty result.
return of(result as T);
};
}
}

4
src/app/hero.ts Normal file
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@ -0,0 +1,4 @@
export class Hero {
id: number;
name: string;
}

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@ -0,0 +1,73 @@
/* HeroesComponent's private CSS styles */
.heroes {
margin: 0 0 2em 0;
list-style-type: none;
padding: 0;
width: 15em;
}
.heroes li {
position: relative;
cursor: pointer;
background-color: #EEE;
margin: .5em;
padding: .3em 0;
height: 1.6em;
border-radius: 4px;
}
.heroes li:hover {
color: #607D8B;
background-color: #DDD;
left: .1em;
}
.heroes a {
color: #888;
text-decoration: none;
position: relative;
display: block;
width: 250px;
}
.heroes a:hover {
color:#607D8B;
}
.heroes .badge {
display: inline-block;
font-size: small;
color: white;
padding: 0.8em 0.7em 0 0.7em;
background-color: #607D8B;
line-height: 1em;
position: relative;
left: -1px;
top: -4px;
height: 1.8em;
min-width: 16px;
text-align: right;
margin-right: .8em;
border-radius: 4px 0 0 4px;
}
.button {
background-color: #eee;
border: none;
padding: 5px 10px;
border-radius: 4px;
cursor: pointer;
cursor: hand;
font-family: Arial;
}
button:hover {
background-color: #cfd8dc;
}
button.delete {
position: relative;
left: 194px;
top: -32px;
background-color: gray !important;
color: white;
}

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<h2> My Heroes </h2>
<div>
<label>Hero name:
<input #heroName />
</label>
<!-- (click) passes input value to add() and then clears the input -->
<button (click)="add(heroName.value); heroName.value=''">
add
</button>
</div>
<ul class="heroes">
<li *ngFor="let hero of heroes">
<a routerLink="/detail/{{ hero.id }}">
<span class="badge">{{ hero.id }}</span> {{ hero.name }}
</a>
<button class="delete" title="delete hero"
(click)="delete(hero)">x</button>
</li>
</ul>

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import { async, ComponentFixture, TestBed } from '@angular/core/testing';
import { HeroesComponent } from './heroes.component';
describe('HeroesComponent', () => {
let component: HeroesComponent;
let fixture: ComponentFixture<HeroesComponent>;
beforeEach(async(() => {
TestBed.configureTestingModule({
declarations: [ HeroesComponent ]
})
.compileComponents();
}));
beforeEach(() => {
fixture = TestBed.createComponent(HeroesComponent);
component = fixture.componentInstance;
fixture.detectChanges();
});
it('should create', () => {
expect(component).toBeTruthy();
});
});

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@ -0,0 +1,43 @@
import { Component, OnInit } from '@angular/core';
import { Hero } from '../hero';
import { HeroService } from '../hero.service';
@Component({
selector: 'app-heroes',
templateUrl: './heroes.component.html',
styleUrls: ['./heroes.component.css']
})
export class HeroesComponent implements OnInit {
heroes: Hero[];
selectedHero: Hero;
constructor(private heroService: HeroService) { }
ngOnInit() {
this.getHeroes();
}
onSelect(h: Hero): void {
this.selectedHero = h;
}
getHeroes():void {
this.heroService.getHeroes()
.subscribe(heroes => this.heroes = heroes);
}
add(name: string): void {
name = name.trim();
if (!name) { return; }
this.heroService.addHero( { name } as Hero)
.subscribe(hero => this.heroes.push(hero));
}
delete(hero: Hero): void {
this.heroes = this.heroes.filter(h => h !== hero);
this.heroService.deleteHero(hero).subscribe();
}
}

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import { InMemoryDbService } from 'angular-in-memory-web-api';
export class InMemoryDataService implements InMemoryDbService {
createDb() {
const heroes = [
{ id: 11, name: 'Mr. Nice' },
{ id: 12, name: 'Narco' },
{ id: 13, name: 'Bombasto' },
{ id: 14, name: 'Celeritas' },
{ id: 15, name: 'Magneta' },
{ id: 16, name: 'RubberMan' },
{ id: 17, name: 'Dynama' },
{ id: 18, name: 'Dr IQ' },
{ id: 19, name: 'Magma' },
{ id: 20, name: 'Tornado' }
];
return {heroes};
}
}

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import { TestBed, inject } from '@angular/core/testing';
import { MessageService } from './message.service';
describe('MessageService', () => {
beforeEach(() => {
TestBed.configureTestingModule({
providers: [MessageService]
});
});
it('should be created', inject([MessageService], (service: MessageService) => {
expect(service).toBeTruthy();
}));
});

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import { Injectable } from '@angular/core';
@Injectable()
export class MessageService {
messages: string[] = [];
add(message: string) {
this.messages.push(message);
}
clear() {
this.messages = [];
}
}

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/* MessagesComponent's private CSS styles */
h2 {
color: red;
font-family: Arial, Helvetica, sans-serif;
font-weight: lighter;
}
body {
margin: 2em;
}
body, input[text], button {
color: crimson;
font-family: Cambria, Georgia;
}
button.clear {
font-family: Arial;
background-color: #eee;
border: none;
padding: 5px 10px;
border-radius: 4px;
cursor: pointer;
cursor: hand;
}
button:hover {
background-color: #cfd8dc;
}
button:disabled {
background-color: #eee;
color: #aaa;
cursor: auto;
}
button.clear {
color: #888;
margin-bottom: 12px;
}

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<div *ngIf="messageService.messages.length">
<h2>Messages</h2>
<button class="clear"
(click)="messageService.clear()">clear</button>
<div *ngFor='let message of messageService.messages'> {{message}} </div>
</div>

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import { async, ComponentFixture, TestBed } from '@angular/core/testing';
import { MessagesComponent } from './messages.component';
describe('MessagesComponent', () => {
let component: MessagesComponent;
let fixture: ComponentFixture<MessagesComponent>;
beforeEach(async(() => {
TestBed.configureTestingModule({
declarations: [ MessagesComponent ]
})
.compileComponents();
}));
beforeEach(() => {
fixture = TestBed.createComponent(MessagesComponent);
component = fixture.componentInstance;
fixture.detectChanges();
});
it('should create', () => {
expect(component).toBeTruthy();
});
});

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@ -0,0 +1,16 @@
import { Component, OnInit } from '@angular/core';
import { MessageService } from '../message.service';
@Component({
selector: 'app-messages',
templateUrl: './messages.component.html',
styleUrls: ['./messages.component.css']
})
export class MessagesComponent implements OnInit {
constructor(public messageService: MessageService) { }
ngOnInit() {
}
}

14
src/app/mock-heroes.ts Normal file
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import { Hero } from './hero';
export const HEROES: Hero[] = [
{ id: 11, name: 'Mr. Nice' },
{ id: 12, name: 'Narco' },
{ id: 13, name: 'Bombasto' },
{ id: 14, name: 'Celeritas' },
{ id: 15, name: 'Magneta' },
{ id: 16, name: 'RubberMan' },
{ id: 17, name: 'Dynama' },
{ id: 18, name: 'Dr IQ' },
{ id: 19, name: 'Magma' },
{ id: 20, name: 'Tornado' }
];

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@ -1 +1,23 @@
/* You can add global styles to this file, and also import other style files */
/* Application-wide Styles */
h1 {
color: #369;
font-family: Arial, Helvetica, sans-serif;
font-size: 250%;
}
h2, h3 {
color: #444;
font-family: Arial, Helvetica, sans-serif;
font-weight: lighter;
}
body {
margin: 2em;
}
body, input[text], button {
color: #888;
font-family: Cambria, Georgia;
}
/* everywhere else */
* {
font-family: Arial, Helvetica, sans-serif;
}