angular-cn/aio/content/examples/dynamic-form/stackblitz.no-link.html

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<html lang="en"><head></head><body>
<form id="mainForm" method="post" action="https://run.stackblitz.com/api/angular/v1?file=src/app/app.component.ts" target="_self"><input type="hidden" name="files[src/app/app.component.ts]" value="import { Component } from '@angular/core';
import { QuestionService } from './question.service';
import { QuestionBase } from './question-base';
import { Observable } from 'rxjs';
@Component({
selector: 'app-root',
template: `
<div>
<h2>Job Application for Heroes</h2>
<app-dynamic-form [questions]=&quot;questions$ | async&quot;></app-dynamic-form>
</div>
`,
providers: [QuestionService]
})
export class AppComponent {
questions$: Observable<QuestionBase<any>[]>;
constructor(service: QuestionService) {
this.questions$ = service.getQuestions();
}
}
/*
Copyright Google LLC. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at https://angular.io/license
*/"><input type="hidden" name="files[src/app/app.module.ts]" value="import { BrowserModule } from '@angular/platform-browser';
import { ReactiveFormsModule } from '@angular/forms';
import { NgModule } from '@angular/core';
import { AppComponent } from './app.component';
import { DynamicFormComponent } from './dynamic-form.component';
import { DynamicFormQuestionComponent } from './dynamic-form-question.component';
@NgModule({
imports: [ BrowserModule, ReactiveFormsModule ],
declarations: [ AppComponent, DynamicFormComponent, DynamicFormQuestionComponent ],
bootstrap: [ AppComponent ]
})
export class AppModule {
constructor() {
}
}
/*
Copyright Google LLC. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at https://angular.io/license
*/"><input type="hidden" name="files[src/app/dynamic-form-question.component.ts]" value="import { Component, Input } from '@angular/core';
import { FormGroup } from '@angular/forms';
import { QuestionBase } from './question-base';
@Component({
selector: 'app-question',
templateUrl: './dynamic-form-question.component.html'
})
export class DynamicFormQuestionComponent {
@Input() question: QuestionBase<string>;
@Input() form: FormGroup;
get isValid() { return this.form.controls[this.question.key].valid; }
}
/*
Copyright Google LLC. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at https://angular.io/license
*/"><input type="hidden" name="files[src/app/dynamic-form.component.ts]" value="import { Component, Input, OnInit } from '@angular/core';
import { FormGroup } from '@angular/forms';
import { QuestionBase } from './question-base';
import { QuestionControlService } from './question-control.service';
@Component({
selector: 'app-dynamic-form',
templateUrl: './dynamic-form.component.html',
providers: [ QuestionControlService ]
})
export class DynamicFormComponent implements OnInit {
@Input() questions: QuestionBase<string>[] = [];
form: FormGroup;
payLoad = '';
constructor(private qcs: QuestionControlService) { }
ngOnInit() {
this.form = this.qcs.toFormGroup(this.questions);
}
onSubmit() {
this.payLoad = JSON.stringify(this.form.getRawValue());
}
}
/*
Copyright Google LLC. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at https://angular.io/license
*/"><input type="hidden" name="files[src/app/question-base.ts]" value="export class QuestionBase<T> {
value: T;
key: string;
label: string;
required: boolean;
order: number;
controlType: string;
type: string;
options: {key: string, value: string}[];
constructor(options: {
value?: T;
key?: string;
label?: string;
required?: boolean;
order?: number;
controlType?: string;
type?: string;
options?: {key: string, value: string}[];
} = {}) {
this.value = options.value;
this.key = options.key || '';
this.label = options.label || '';
this.required = !!options.required;
this.order = options.order === undefined ? 1 : options.order;
this.controlType = options.controlType || '';
this.type = options.type || '';
this.options = options.options || [];
}
}
/*
Copyright Google LLC. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at https://angular.io/license
*/"><input type="hidden" name="files[src/app/question-control.service.ts]" value="import { Injectable } from '@angular/core';
import { FormControl, FormGroup, Validators } from '@angular/forms';
import { QuestionBase } from './question-base';
@Injectable()
export class QuestionControlService {
constructor() { }
toFormGroup(questions: QuestionBase<string>[] ) {
const group: any = {};
questions.forEach(question => {
group[question.key] = question.required ? new FormControl(question.value || '', Validators.required)
: new FormControl(question.value || '');
});
return new FormGroup(group);
}
}
/*
Copyright Google LLC. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at https://angular.io/license
*/"><input type="hidden" name="files[src/app/question-dropdown.ts]" value="import { QuestionBase } from './question-base';
export class DropdownQuestion extends QuestionBase<string> {
controlType = 'dropdown';
}
/*
Copyright Google LLC. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at https://angular.io/license
*/"><input type="hidden" name="files[src/app/question-textbox.ts]" value="import { QuestionBase } from './question-base';
export class TextboxQuestion extends QuestionBase<string> {
controlType = 'textbox';
}
/*
Copyright Google LLC. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at https://angular.io/license
*/"><input type="hidden" name="files[src/app/question.service.ts]" value="import { Injectable } from '@angular/core';
import { DropdownQuestion } from './question-dropdown';
import { QuestionBase } from './question-base';
import { TextboxQuestion } from './question-textbox';
import { of } from 'rxjs';
@Injectable()
export class QuestionService {
// TODO: get from a remote source of question metadata
getQuestions() {
const questions: QuestionBase<string>[] = [
new DropdownQuestion({
key: 'brave',
label: 'Bravery Rating',
options: [
{key: 'solid', value: 'Solid'},
{key: 'great', value: 'Great'},
{key: 'good', value: 'Good'},
{key: 'unproven', value: 'Unproven'}
],
order: 3
}),
new TextboxQuestion({
key: 'firstName',
label: 'First name',
value: 'Bombasto',
required: true,
order: 1
}),
new TextboxQuestion({
key: 'emailAddress',
label: 'Email',
type: 'email',
order: 2
})
];
return of(questions.sort((a, b) => a.order - b.order));
}
}
/*
Copyright Google LLC. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at https://angular.io/license
*/"><input type="hidden" name="files[src/environments/environment.prod.ts]" value="export const environment = {
production: true
};
/*
Copyright Google LLC. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at https://angular.io/license
*/"><input type="hidden" name="files[src/environments/environment.ts]" value="// This file can be replaced during build by using the `fileReplacements` array.
// `ng build --prod` replaces `environment.ts` with `environment.prod.ts`.
// The list of file replacements can be found in `angular.json`.
export const environment = {
production: false
};
/*
* For easier debugging in development mode, you can import the following file
* to ignore zone related error stack frames such as `zone.run`, `zoneDelegate.invokeTask`.
*
* This import should be commented out in production mode because it will have a negative impact
* on performance if an error is thrown.
*/
// import 'zone.js/plugins/zone-error'; // Included with Angular CLI.
/*
Copyright Google LLC. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at https://angular.io/license
*/"><input type="hidden" name="files[src/main.ts]" value="import { enableProdMode } from '@angular/core';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { AppModule } from './app/app.module';
import { environment } from './environments/environment';
if (environment.production) {
enableProdMode();
}
platformBrowserDynamic().bootstrapModule(AppModule);
/*
Copyright Google LLC. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at https://angular.io/license
*/"><input type="hidden" name="files[src/polyfills.ts]" value="/**
* This file includes polyfills needed by Angular and is loaded before the app.
* You can add your own extra polyfills to this file.
*
* This file is divided into 2 sections:
* 1. Browser polyfills. These are applied before loading ZoneJS and are sorted by browsers.
* 2. Application imports. Files imported after ZoneJS that should be loaded before your main
* file.
*
* The current setup is for so-called &quot;evergreen&quot; browsers; the last versions of browsers that
* automatically update themselves. This includes Safari >= 10, Chrome >= 55 (including Opera),
* Edge >= 13 on the desktop, and iOS 10 and Chrome on mobile.
*
* Learn more in https://angular.io/guide/browser-support
*/
/***************************************************************************************************
* BROWSER POLYFILLS
*/
/** IE11 requires the following for NgClass support on SVG elements */
// import 'classlist.js'; // Run `npm install --save classlist.js`.
/**
* Web Animations `@angular/platform-browser/animations`
* Only required if AnimationBuilder is used within the application and using IE/Edge or Safari.
* Standard animation support in Angular DOES NOT require any polyfills (as of Angular 6.0).
*/
// import 'web-animations-js'; // Run `npm install --save web-animations-js`.
/**
* By default, zone.js will patch all possible macroTask and DomEvents
* user can disable parts of macroTask/DomEvents patch by setting following flags
* because those flags need to be set before `zone.js` being loaded, and webpack
* will put import in the top of bundle, so user need to create a separate file
* in this directory (for example: zone-flags.ts), and put the following flags
* into that file, and then add the following code before importing zone.js.
* import './zone-flags';
*
* The flags allowed in zone-flags.ts are listed here.
*
* The following flags will work for all browsers.
*
* (window as any).__Zone_disable_requestAnimationFrame = true; // disable patch
* requestAnimationFrame
* (window as any).__Zone_disable_on_property = true; // disable patch onProperty such as onclick
* (window as any).__zone_symbol__UNPATCHED_EVENTS = ['scroll', 'mousemove']; // disable patch
* specified eventNames
*
* in IE/Edge developer tools, the addEventListener will also be wrapped by zone.js
* with the following flag, it will bypass `zone.js` patch for IE/Edge
*
* (window as any).__Zone_enable_cross_context_check = true;
*
*/
/***************************************************************************************************
* Zone JS is required by default for Angular itself.
*/
import 'zone.js'; // Included with Angular CLI.
/***************************************************************************************************
* APPLICATION IMPORTS
*/
/*
Copyright Google LLC. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at https://angular.io/license
*/"><input type="hidden" name="files[src/assets/sample.css]" value=".errorMessage{
color:red;
}
.form-row{
margin-top: 10px;
}
/*
Copyright Google LLC. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at https://angular.io/license
*/"><input type="hidden" name="files[src/styles.css]" value="/* Global Styles */
* {
font-family: Arial, Helvetica, sans-serif;
}
h1 {
color: #264D73;
font-size: 2.5rem;
}
h2, h3 {
color: #444;
font-weight: lighter;
}
h3 {
font-size: 1.3rem;
}
body {
padding: .5rem;
max-width: 1000px;
margin: auto;
}
@media (min-width: 600px) {
body {
padding: 2rem;
}
}
body, input[text] {
color: #333;
font-family: Cambria, Georgia, serif;
}
a {
cursor: pointer;
}
button {
background-color: #eee;
border: none;
border-radius: 4px;
cursor: pointer;
color: black;
font-size: 1.2rem;
padding: 1rem;
margin-right: 1rem;
margin-bottom: 1rem;
}
button:hover {
background-color: black;
color: white;
}
button:disabled {
background-color: #eee;
color: #aaa;
cursor: auto;
}
/* Navigation link styles */
nav a {
padding: 5px 10px;
text-decoration: none;
margin-right: 10px;
margin-top: 10px;
display: inline-block;
background-color: #e8e8e8;
color: #3d3d3d;
border-radius: 4px;
}
nav a:hover {
color: white;
background-color: #42545C;
}
nav a.active {
background-color: black;
color: white;
}
hr {
margin: 1.5rem 0;
}
input[type=&quot;text&quot;] {
box-sizing: border-box;
width: 100%;
padding: .5rem;
}
/*
Copyright Google LLC. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at https://angular.io/license
*/"><input type="hidden" name="files[src/app/dynamic-form-question.component.html]" value="<div [formGroup]=&quot;form&quot;>
<label [attr.for]=&quot;question.key&quot;>{{question.label}}</label>
<div [ngSwitch]=&quot;question.controlType&quot;>
<input *ngSwitchCase=&quot;'textbox'&quot; [formControlName]=&quot;question.key&quot;
[id]=&quot;question.key&quot; [type]=&quot;question.type&quot;>
<select [id]=&quot;question.key&quot; *ngSwitchCase=&quot;'dropdown'&quot; [formControlName]=&quot;question.key&quot;>
<option *ngFor=&quot;let opt of question.options&quot; [value]=&quot;opt.key&quot;>{{opt.value}}</option>
</select>
</div>
<div class=&quot;errorMessage&quot; *ngIf=&quot;!isValid&quot;>{{question.label}} is required</div>
</div>
<!--
Copyright Google LLC. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at https://angular.io/license
-->"><input type="hidden" name="files[src/app/dynamic-form.component.html]" value="<div>
<form (ngSubmit)=&quot;onSubmit()&quot; [formGroup]=&quot;form&quot;>
<div *ngFor=&quot;let question of questions&quot; class=&quot;form-row&quot;>
<app-question [question]=&quot;question&quot; [form]=&quot;form&quot;></app-question>
</div>
<div class=&quot;form-row&quot;>
<button type=&quot;submit&quot; [disabled]=&quot;!form.valid&quot;>Save</button>
</div>
</form>
<div *ngIf=&quot;payLoad&quot; class=&quot;form-row&quot;>
<strong>Saved the following values</strong><br>{{payLoad}}
</div>
</div>
<!--
Copyright Google LLC. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at https://angular.io/license
-->"><input type="hidden" name="files[src/index.html]" value="<!DOCTYPE html>
<html lang=&quot;en&quot;>
<head>
<meta charset=&quot;UTF-8&quot;>
<base href=&quot;/&quot;>
<title>Dynamic Form</title>
<meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1&quot;>
<link rel=&quot;stylesheet&quot; href=&quot;assets/sample.css&quot;>
</head>
<body>
<app-root></app-root>
</body>
</html>
<!--
Copyright Google LLC. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at https://angular.io/license
-->"><input type="hidden" name="files[angular.json]" value="{
&quot;$schema&quot;: &quot;./node_modules/@angular/cli/lib/config/schema.json&quot;,
&quot;version&quot;: 1,
&quot;newProjectRoot&quot;: &quot;projects&quot;,
&quot;projects&quot;: {
&quot;angular.io-example&quot;: {
&quot;projectType&quot;: &quot;application&quot;,
&quot;schematics&quot;: {
&quot;@schematics/angular:application&quot;: {
&quot;strict&quot;: true
}
},
&quot;root&quot;: &quot;&quot;,
&quot;sourceRoot&quot;: &quot;src&quot;,
&quot;prefix&quot;: &quot;app&quot;,
&quot;architect&quot;: {
&quot;build&quot;: {
&quot;builder&quot;: &quot;@angular-devkit/build-angular:browser&quot;,
&quot;options&quot;: {
&quot;outputPath&quot;: &quot;dist&quot;,
&quot;index&quot;: &quot;src/index.html&quot;,
&quot;main&quot;: &quot;src/main.ts&quot;,
&quot;polyfills&quot;: &quot;src/polyfills.ts&quot;,
&quot;tsConfig&quot;: &quot;tsconfig.app.json&quot;,
&quot;aot&quot;: true,
&quot;assets&quot;: [
&quot;src/favicon.ico&quot;,
&quot;src/assets&quot;
],
&quot;styles&quot;: [
&quot;src/styles.css&quot;
],
&quot;scripts&quot;: []
},
&quot;configurations&quot;: {
&quot;production&quot;: {
&quot;fileReplacements&quot;: [
{
&quot;replace&quot;: &quot;src/environments/environment.ts&quot;,
&quot;with&quot;: &quot;src/environments/environment.prod.ts&quot;
}
],
&quot;optimization&quot;: true,
&quot;outputHashing&quot;: &quot;all&quot;,
&quot;sourceMap&quot;: false,
&quot;namedChunks&quot;: false,
&quot;extractLicenses&quot;: true,
&quot;vendorChunk&quot;: false,
&quot;buildOptimizer&quot;: true,
&quot;budgets&quot;: [
{
&quot;type&quot;: &quot;initial&quot;,
&quot;maximumWarning&quot;: &quot;500kb&quot;,
&quot;maximumError&quot;: &quot;1mb&quot;
},
{
&quot;type&quot;: &quot;anyComponentStyle&quot;,
&quot;maximumWarning&quot;: &quot;2kb&quot;,
&quot;maximumError&quot;: &quot;4kb&quot;
}
]
}
}
},
&quot;serve&quot;: {
&quot;builder&quot;: &quot;@angular-devkit/build-angular:dev-server&quot;,
&quot;options&quot;: {
&quot;browserTarget&quot;: &quot;angular.io-example:build&quot;
},
&quot;configurations&quot;: {
&quot;production&quot;: {
&quot;browserTarget&quot;: &quot;angular.io-example:build:production&quot;
}
}
},
&quot;extract-i18n&quot;: {
&quot;builder&quot;: &quot;@angular-devkit/build-angular:extract-i18n&quot;,
&quot;options&quot;: {
&quot;browserTarget&quot;: &quot;angular.io-example:build&quot;
}
},
&quot;test&quot;: {
&quot;builder&quot;: &quot;@angular-devkit/build-angular:karma&quot;,
&quot;options&quot;: {
&quot;main&quot;: &quot;src/test.ts&quot;,
&quot;polyfills&quot;: &quot;src/polyfills.ts&quot;,
&quot;tsConfig&quot;: &quot;tsconfig.spec.json&quot;,
&quot;karmaConfig&quot;: &quot;karma.conf.js&quot;,
&quot;assets&quot;: [
&quot;src/favicon.ico&quot;,
&quot;src/assets&quot;
],
&quot;styles&quot;: [
&quot;src/styles.css&quot;
],
&quot;scripts&quot;: []
}
},
&quot;lint&quot;: {
&quot;builder&quot;: &quot;@angular-devkit/build-angular:tslint&quot;,
&quot;options&quot;: {
&quot;tsConfig&quot;: [
&quot;tsconfig.app.json&quot;,
&quot;tsconfig.spec.json&quot;,
&quot;e2e/tsconfig.json&quot;
],
&quot;exclude&quot;: [
&quot;**/node_modules/**&quot;
]
}
},
&quot;e2e&quot;: {
&quot;builder&quot;: &quot;@angular-devkit/build-angular:protractor&quot;,
&quot;options&quot;: {
&quot;protractorConfig&quot;: &quot;e2e/protractor.conf.js&quot;,
&quot;devServerTarget&quot;: &quot;angular.io-example:serve&quot;
},
&quot;configurations&quot;: {
&quot;production&quot;: {
&quot;devServerTarget&quot;: &quot;angular.io-example:serve:production&quot;
}
}
}
}
}
},
&quot;defaultProject&quot;: &quot;angular.io-example&quot;
}
"><input type="hidden" name="files[tsconfig.json]" value="{
&quot;compileOnSave&quot;: false,
&quot;compilerOptions&quot;: {
&quot;baseUrl&quot;: &quot;./&quot;,
&quot;outDir&quot;: &quot;./dist/out-tsc&quot;,
&quot;forceConsistentCasingInFileNames&quot;: true,
&quot;noImplicitReturns&quot;: true,
&quot;noFallthroughCasesInSwitch&quot;: true,
&quot;sourceMap&quot;: true,
&quot;declaration&quot;: false,
&quot;downlevelIteration&quot;: true,
&quot;experimentalDecorators&quot;: true,
&quot;moduleResolution&quot;: &quot;node&quot;,
&quot;importHelpers&quot;: true,
&quot;target&quot;: &quot;es2015&quot;,
&quot;module&quot;: &quot;es2020&quot;,
&quot;lib&quot;: [
&quot;es2018&quot;,
&quot;dom&quot;
]
},
&quot;angularCompilerOptions&quot;: {
&quot;strictInjectionParameters&quot;: true,
&quot;strictInputAccessModifiers&quot;: true,
&quot;strictTemplates&quot;: true,
&quot;enableIvy&quot;: true
}
}"><input type="hidden" name="tags[0]" value="angular"><input type="hidden" name="tags[1]" value="example"><input type="hidden" name="tags[2]" value="cookbook"><input type="hidden" name="description" value="Angular Example - Dynamic Form"><input type="hidden" name="dependencies" value="{&quot;@angular/animations&quot;:&quot;~11.0.1&quot;,&quot;@angular/common&quot;:&quot;~11.0.1&quot;,&quot;@angular/compiler&quot;:&quot;~11.0.1&quot;,&quot;@angular/core&quot;:&quot;~11.0.1&quot;,&quot;@angular/forms&quot;:&quot;~11.0.1&quot;,&quot;@angular/platform-browser&quot;:&quot;~11.0.1&quot;,&quot;@angular/platform-browser-dynamic&quot;:&quot;~11.0.1&quot;,&quot;@angular/router&quot;:&quot;~11.0.1&quot;,&quot;angular-in-memory-web-api&quot;:&quot;~0.11.0&quot;,&quot;rxjs&quot;:&quot;~6.6.0&quot;,&quot;tslib&quot;:&quot;^2.0.0&quot;,&quot;zone.js&quot;:&quot;~0.11.4&quot;,&quot;jasmine-core&quot;:&quot;~3.6.0&quot;,&quot;jasmine-marbles&quot;:&quot;~0.6.0&quot;}"></form>
<script>
var embedded = 'ctl=1';
var isEmbedded = window.location.search.indexOf(embedded) > -1;
if (isEmbedded) {
var form = document.getElementById('mainForm');
var action = form.action;
var actionHasParams = action.indexOf('?') > -1;
var symbol = actionHasParams ? '&' : '?'
form.action = form.action + symbol + embedded;
}
document.getElementById("mainForm").submit();
</script>
</body></html>