// http://www.syntaxsuccess.com/viewarticle/lettable-operators-in-rxjs
// https://codecraft.tv/courses/angular/http/http-with-observables/
// https://blog.sstorie.com/onpush-gotcha-when-using-angular-2-form-control/
// https://stackoverflow.com/questions/43074131/primeng-autocomplete-multiple-preselect-value [wrong!!!]
// https://stackoverflow.com/questions/48663965/primeng-autocomplete-component-with-different-colors-for-each-item-normally-th
import { Component, Injectable, OnInit } from '@angular/core';
import { HttpClient, HttpHeaders, HttpErrorResponse } from '@angular/common/http';
import { FormBuilder, FormGroup, FormControl, Validators} from '@angular/forms';
//import { Observable } from 'rxjs/Observable';
//import { Observable, pipe } from 'rxjs/Rx';
import { debounceTime, distinctUntilChanged, filter, map, pluck, switchMap, tap } from 'rxjs/operators';
import { from } from 'rxjs/observable/from';
//import { pluck } from 'rxjs/operators';
const URL = 'https://my-json-server.typicode.com/spham-xyz/cars/cars';
interface car {
brand: string;
year: number;
color: string;
vin: string;
}
@Component({
selector: 'my-app',
templateUrl: 'app/app.template.html'
})
export class AppComponent implements OnInit{
reForm: FormGroup;
myForm: FormGroup;
brands = ["VW","Fiat"];
initialValues = ["VW","Fiat"];
allBrands: string[]; // ['Audi','BMW','Fiat','Ford','Honda','Jaguar','Mercedes','Renault','Volvo','VW'];
filteredBrands: string[];
private searchField: FormControl;
//private brandSelected = new Subject<string>();
constructor(private http: HttpClient, private fb: FormBuilder) {}
ngOnInit() {
this.reForm = new FormGroup({
//brand: new FormControl(["VW","Fiat"])
brand: new FormControl([])
});
this.reForm.setValue({brand: this.initialValues});
/*
this.myForm = new FormGroup({
name: new FormControl('Benedict'),
email: new FormControl(''),
message: new FormControl('')
});
*/
this.myForm = this.fb.group({
name: ['Benedict', Validators.required],
email: ['', [Validators.required, Validators.pattern('[a-z0-9.@]*')]],
message: ['', [Validators.required, Validators.minLength(15)]]
});
//this.getCars()
this.http.get(URL)
.pipe(
//tap(data => console.log(data)),
map(rows => rows.map(function(el,i,arr) {
return el['brand'];
})),
/* 2nd (LONG) method
map(rows => {
var i, rv = [];
for (i = 0; i < Object.keys(rows).length; ++i) {
rv[i] = rows[i]['brand'];
}
return rv;
}),
*/
//filter(data => data.brand == "VW")
//pluck('brand')
tap(data => console.log(data))
)
.subscribe(
(data) => this.allBrands = data,
(err: HttpErrorResponse) => {
if (err.error instanceof Error) {
console.log("Client-side error occured.");
} else {
console.log("Server-side error occured.");
}
}
)
/*
this.searchField = new FormControl();
this.searchField.valueChanges
.debounceTime(400)
.distinctUntilChanged()
//.switchMap( term => this.itunes.search(term))
.subscribe( value => console.log(value));
*/
/*
const source = from([{ name: 'Joe', age: 30 }, { name: 'Sarah', age: 35 }]);
//grab names
const example = source.pipe(pluck('name'));
//output: "Joe", "Sarah"
const subscribe = example.subscribe(val => console.log(val));
*/
}
getCars(): Observable<any[]> {
return this.http.get(URL);
}
filterBrands(event) {
this.filteredBrands = this.allBrands.filter(function(el) {
var re = new RegExp(`\^${event.query}`, 'gi');
if( re.test(el) ) return el;
//if(el.toLowerCase().startsWith(event.query.toLowerCase())) return el;
})
}
onSubmit(form: FormGroup) {
console.log('Valid?', form.valid); // true or false
console.log('Name: ', form.value.name);
console.log('Email: ', form.value.email);
console.log('Message: ', form.value.message);
}
}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule, ReactiveFormsModule } from '@angular/forms';
import { HttpClientModule } from '@angular/common/http';
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
import { AppComponent } from './app.component';
// Import PrimeNG modules
import {AccordionModule} from 'primeng/primeng';
import {AutoCompleteModule} from 'primeng/primeng';
import {BreadcrumbModule} from 'primeng/primeng';
import {ButtonModule} from 'primeng/primeng';
import {CalendarModule} from 'primeng/primeng';
import {CarouselModule} from 'primeng/primeng';
import {ChartModule} from 'primeng/primeng';
import {CheckboxModule} from 'primeng/primeng';
import {ChipsModule} from 'primeng/primeng';
import {CodeHighlighterModule} from 'primeng/primeng';
import {ConfirmDialogModule} from 'primeng/primeng';
import {SharedModule} from 'primeng/primeng';
import {ContextMenuModule} from 'primeng/primeng';
import {DataGridModule} from 'primeng/primeng';
import {DataListModule} from 'primeng/primeng';
import {DataScrollerModule} from 'primeng/primeng';
import {DataTableModule} from 'primeng/primeng';
import {DialogModule} from 'primeng/primeng';
import {DragDropModule} from 'primeng/primeng';
import {DropdownModule} from 'primeng/primeng';
import {EditorModule} from 'primeng/primeng';
import {FieldsetModule} from 'primeng/primeng';
import {FileUploadModule} from 'primeng/primeng';
import {GalleriaModule} from 'primeng/primeng';
import {GMapModule} from 'primeng/primeng';
import {GrowlModule} from 'primeng/primeng';
import {InputMaskModule} from 'primeng/primeng';
import {InputSwitchModule} from 'primeng/primeng';
import {InputTextModule} from 'primeng/primeng';
import {InputTextareaModule} from 'primeng/primeng';
import {LightboxModule} from 'primeng/primeng';
import {ListboxModule} from 'primeng/primeng';
import {MegaMenuModule} from 'primeng/primeng';
import {MenuModule} from 'primeng/primeng';
import {MenubarModule} from 'primeng/primeng';
import {MessagesModule} from 'primeng/primeng';
import {MultiSelectModule} from 'primeng/primeng';
import {OrderListModule} from 'primeng/primeng';
import {OverlayPanelModule} from 'primeng/primeng';
import {PaginatorModule} from 'primeng/primeng';
import {PanelModule} from 'primeng/primeng';
import {PanelMenuModule} from 'primeng/primeng';
import {PasswordModule} from 'primeng/primeng';
import {PickListModule} from 'primeng/primeng';
import {ProgressBarModule} from 'primeng/primeng';
import {RadioButtonModule} from 'primeng/primeng';
import {RatingModule} from 'primeng/primeng';
import {ScheduleModule} from 'primeng/primeng';
import {SelectButtonModule} from 'primeng/primeng';
import {SlideMenuModule} from 'primeng/primeng';
import {SliderModule} from 'primeng/primeng';
import {SpinnerModule} from 'primeng/primeng';
import {SplitButtonModule} from 'primeng/primeng';
import {StepsModule} from 'primeng/primeng';
import {TabMenuModule} from 'primeng/primeng';
import {TabViewModule} from 'primeng/primeng';
import {TerminalModule} from 'primeng/primeng';
import {TieredMenuModule} from 'primeng/primeng';
import {ToggleButtonModule} from 'primeng/primeng';
import {ToolbarModule} from 'primeng/primeng';
import {TooltipModule} from 'primeng/primeng';
import {TreeModule} from 'primeng/primeng';
import {TreeTableModule} from 'primeng/primeng';
@NgModule({
imports: [
BrowserModule,
FormsModule,
ReactiveFormsModule,
HttpClientModule,
BrowserAnimationsModule,
AccordionModule,
AutoCompleteModule,
BreadcrumbModule,
ButtonModule,
CalendarModule,
CarouselModule,
ChartModule,
CheckboxModule,
ChipsModule,
CodeHighlighterModule,
ConfirmDialogModule,
SharedModule,
ContextMenuModule,
DataGridModule,
DataListModule,
DataScrollerModule,
DataTableModule,
DialogModule,
DragDropModule,
DropdownModule,
EditorModule,
FieldsetModule,
FileUploadModule,
GalleriaModule,
GMapModule,
GrowlModule,
InputMaskModule,
InputSwitchModule,
InputTextModule,
InputTextareaModule,
LightboxModule,
ListboxModule,
MegaMenuModule,
MenuModule,
MenubarModule,
MessagesModule,
MultiSelectModule,
OrderListModule,
OverlayPanelModule,
PaginatorModule,
PanelModule,
PanelMenuModule,
PasswordModule,
PickListModule,
ProgressBarModule,
RadioButtonModule,
RatingModule,
ScheduleModule,
SelectButtonModule,
SlideMenuModule,
SliderModule,
SpinnerModule,
SplitButtonModule,
StepsModule,
TabMenuModule,
TabViewModule,
TerminalModule,
TieredMenuModule,
ToggleButtonModule,
ToolbarModule,
TooltipModule,
TreeModule,
TreeTableModule ],
declarations: [ AppComponent ],
bootstrap: [ AppComponent ]
})
export class AppModule { }
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { AppModule } from './app.module';
const platform = platformBrowserDynamic();
platform.bootstrapModule(AppModule);
body {
padding: 2em;
font-family: Arial, Helvetica, sans-serif;
}
<!DOCTYPE html>
<html>
<head>
<title>Angular QuickStart</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="styles.css">
<!-- PrimeNG style dependencies -->
<link rel="stylesheet" href="https://unpkg.com/primeng@5.2.4/resources/themes/omega/theme.css" />
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" />
<link rel="stylesheet" href="https://unpkg.com/primeng@5.2.4/resources/primeng.min.css" />
<!-- 1. Load libraries -->
<!-- Polyfill for older browsers -->
<script src="https://unpkg.com/core-js/client/shim.min.js"></script>
<script src="https://unpkg.com/zone.js@0.8.4?main=browser"></script>
<script src="https://unpkg.com/reflect-metadata@0.1.8"></script>
<script src="https://unpkg.com/systemjs@0.19.39/dist/system.src.js"></script>
<!-- 2. Configure SystemJS -->
<script src="systemjs.config.js"></script>
</head>
<!-- 3. Display the application -->
<body>
<my-app>Loading...</my-app>
</body>
</html>
<!--
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
-->
/**
* WEB ANGULAR VERSION
* (based on systemjs.config.js in angular.io)
* System configuration for Angular samples
* Adjust as necessary for your application needs.
*/
(function (global) {
System.config({
// DEMO ONLY! REAL CODE SHOULD NOT TRANSPILE IN THE BROWSER
transpiler: 'ts',
typescriptOptions: {
// Copy of compiler options in standard tsconfig.json
"target": "es5",
"module": "system",
"moduleResolution": "node",
"sourceMap": true,
"emitDecoratorMetadata": true,
"experimentalDecorators": true,
"noImplicitAny": true,
"suppressImplicitAnyIndexErrors": true
},
meta: {
'typescript': {
"exports": "ts"
}
},
paths: {
// paths serve as alias
'npm:': 'https://unpkg.com/'
},
// map tells the System loader where to look for things
map: {
// our app is within the app folder
app: 'app',
// angular bundles
'@angular/animations': 'npm:@angular/animations@5.2.9/bundles/animations.umd.js',
'@angular/animations/browser': 'npm:@angular/animations@5.2.9/bundles/animations-browser.umd.js',
'@angular/core': 'npm:@angular/core@5.2.9/bundles/core.umd.js',
'@angular/common': 'npm:@angular/common@5.2.9/bundles/common.umd.js',
'@angular/compiler': 'npm:@angular/compiler@5.2.9/bundles/compiler.umd.js',
'@angular/platform-browser': 'npm:@angular/platform-browser@5.2.9/bundles/platform-browser.umd.js',
'@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@5.2.9/bundles/platform-browser-dynamic.umd.js',
'@angular/platform-browser/animations': 'npm:@angular/platform-browser@5.2.9/bundles/platform-browser-animations.umd.js',
'@angular/common/http': 'npm:@angular/common@5.2.9/bundles/common-http.umd.js',
'@angular/router': 'npm:@angular/router@5.2.9/bundles/router.umd.js',
'@angular/forms': 'npm:@angular/forms@5.2.9/bundles/forms.umd.js',
'@angular/upgrade': 'npm:@angular/upgrade@5.2.9/bundles/upgrade.umd.js',
'@angular/upgrade/static': 'npm:@angular/upgrade@5.2.9/bundles/upgrade-static.umd.js',
// other libraries
'rxjs': 'npm:rxjs',
'tslib': 'npm:tslib/tslib.js',
'angular-in-memory-web-api': 'npm:angular-in-memory-web-api/bundles/in-memory-web-api.umd.js',
'ts': 'npm:plugin-typescript@4.0.10/lib/plugin.js',
'typescript': 'npm:typescript@2.8.1/lib/typescript.js',
'primeng': 'npm:primeng@5.2.4'
},
// packages tells the System loader how to load when no filename and/or no extension
packages: {
app: {
main: './main.ts',
defaultExtension: 'ts'
},
rxjs: {
defaultExtension: 'js'
},
primeng: {
defaultExtension: 'js'
}
}
});
if (!global.noBootstrap) { bootstrap(); }
// Bootstrap the `AppModule`(skip the `app/main.ts` that normally does this)
function bootstrap() {
console.log('Auto-bootstrapping');
// Stub out `app/main.ts` so System.import('app') doesn't fail if called in the index.html
System.set(System.normalizeSync('app/main.ts'), System.newModule({ }));
// bootstrap and launch the app (equivalent to standard main.ts)
Promise.all([
System.import('@angular/platform-browser-dynamic'),
getAppModule()
])
.then(function (imports) {
var platform = imports[0];
var app = imports[1];
platform.platformBrowserDynamic().bootstrapModule(app.AppModule);
})
.catch(function(err){ console.error(err); });
}
// Import AppModule or make the default AppModule if there isn't one
// returns a promise for the AppModule
function getAppModule() {
if (global.noAppModule) {
return makeAppModule();
}
return System.import('app/app.module').catch(makeAppModule)
}
function makeAppModule() {
console.log('No AppModule; making a bare-bones, default AppModule');
return Promise.all([
System.import('@angular/core'),
System.import('@angular/platform-browser'),
System.import('app/app.component')
])
.then(function (imports) {
var core = imports[0];
var browser = imports[1];
var appComp = imports[2].AppComponent;
var AppModule = function() {}
AppModule.annotations = [
new core.NgModule({
imports: [ browser.BrowserModule ],
declarations: [ appComp ],
bootstrap: [ appComp ]
})
]
return {AppModule: AppModule};
})
}
})(this);
Template
<br />
<p-autoComplete placeholder="Car Brands" [(ngModel)]="brands" [suggestions]="filteredBrands" (completeMethod)="filterBrands($event)" [multiple]="true">
</p-autoComplete>
<br />
Reactive
<form [formGroup]="reForm">
<p-autoComplete placeholder="Car Brands" formControlName="brand" [suggestions]="filteredBrands" (completeMethod)="filterBrands($event)" [multiple]="true">
</p-autoComplete>
<!--
<input type="search" placeholder="Enter search string" [formControl]="searchField">
-->
</form>
<br />
<br />
<form [formGroup]="myForm" (ngSubmit)="onSubmit(myForm)">
<input formControlName="name" placeholder="Your name">
<p>Your choosen name: {{ myForm.get('name').value }} / {{ myForm.controls.name.value }} / {{ myForm.value.name }}</p>
<div *ngIf="myForm.get('name').hasError('required')">
Oops, please provide a name!
</div>
<input formControlName="email" placeholder="Your email">
<div *ngIf="myForm.controls.email.hasError('pattern')">
Oops, wrong pattern buddy!
</div>
<input formControlName="message" placeholder="Your message">
<div *ngIf="myForm.controls.message.errors?.minlength">
Write something longer please!
</div>
<button type="submit" [disabled]="myForm.invalid">
Send
</button>
</form>