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Implemented read locations from json, minor bug fixes and implementations

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This commit is contained in:
grata
2023-04-05 13:49:27 +02:00
parent 1d32976a2e
commit 8c22716f67
3 changed files with 78 additions and 88 deletions
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151
src/app/home/home.component.ts
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@@ -1,5 +1,5 @@
import {AfterViewInit, Component, ElementRef, OnDestroy, OnInit, ViewChild} from '@angular/core';
import {distinctUntilChanged, fromEvent, Subject, Subscription} from "rxjs";
import {distinctUntilChanged, fromEvent, Observable, Subject, Subscription} from "rxjs";
import {ReadjsonService} from "../service/readjson.service";
import {Locations} from "../interface/data";
import * as QRCode from 'qrcode';
@@ -19,105 +19,100 @@ export class HomeComponent implements OnInit, AfterViewInit, OnDestroy {
@ViewChild('myInput') myInput?: ElementRef;
@ViewChild('myCanvas') myCanvas?: ElementRef<HTMLCanvasElement>;
luoghiPopup: Subject<Luogo[]> = new Subject<Luogo[]>()
public locationsPopup: Subject<Locations[]> = new Subject<Locations[]>()
subs: Subscription[] = []
latitude: number | undefined;
longitude: number | undefined;
backgroundColor: string | undefined;
qrCodeImage: string | undefined;
locations: Locations[] = [
{location: 'Locarno', region: 'Ticino', lat: 46.1704, lon: 8.7931},
{location: 'Lugano', region: 'Ticino', lat: 46.0037, lon: 8.9511},
{location: 'Luzern', region: 'Luzern', lat: 47.0502, lon: 8.3093},
{location: 'Lauterbrunnen', region: 'Bern', lat: 46.5939, lon: 7.9085}
];
locations: Locations[] = [];
luoghi: Luogo[] = [
{location: 'Locarno', lat: 46.1704, lon: 8.7931},
{location: 'Lugano', lat: 46.0037, lon: 8.9511},
{location: 'Luzern', lat: 47.0502, lon: 8.3093},
{location: 'Lauterbrunnen', lat: 46.5939, lon: 7.9085}
];
locationsFiltrati: Locations[] = [];
luoghiFiltrati: Luogo[] = [];
luogoSelezionato: string = '';
suggerimentoAttivo: boolean = false;
suggerimento: string = '';
completamento: string = 'ciao';
@ViewChild('myInput') myInput?: ElementRef;
@ViewChild('canvas') canvasRef: ElementRef | undefined;
canvas: any;
ctx: any;
img: any;
constructor(private service: ReadjsonService) {}
ngOnInit(): void {
console.log("home init");
this.subs.push(this.service.getLocation("Lugano").subscribe(val => console.log(val)))
const text = 'https://aramisgrata.ch'; // sostituisci con la tua stringa
QRCode.toDataURL(text, { errorCorrectionLevel: 'H' }, (err, url) => {
this.qrCodeImage = url;
});
constructor(private readjsonService: ReadjsonService) {
}
ngAfterViewInit() {
console.log("canvas", this.myCanvas?.nativeElement);
const canvas = this.myCanvas?.nativeElement;
console.log("canvas 2", canvas);
if (canvas)
this.animateClouds(canvas);
fromEvent(this.myInput?.nativeElement, 'focus').pipe(
// debounceTime(500), decommentarlo se bisogna fare una chiamata http
distinctUntilChanged()
).subscribe((val: any) => {
this.luoghiPopup.next(this.locations.filter(l => l.location.toLowerCase().startsWith(val.target.value.toLowerCase())
))})
this.canvas = this.canvasRef?.nativeElement;
this.ctx = this.canvas.getContext('2d');
this.img = new Image();
this.img.onload = () => {
this.ctx.drawImage(this.img, 0, 0);
const qrCode = new Image();
if (typeof this.qrCodeImage === "string") {
qrCode.src = this.qrCodeImage;
ngOnInit(): void {
this.readjsonService.getLocations().subscribe(data => {
for (let i = 0; i < data.length; i++) {
this.locations.push(<Locations>data[i])
console.log(data[i])
}
qrCode.onload = () => {
const qrCodeSize = 100;
const margin = 20;
const x = this.canvas.width - qrCodeSize - margin;
const y = this.canvas.height - qrCodeSize - margin;
this.ctx.drawImage(qrCode, x, y, qrCodeSize, qrCodeSize);
}
}
this.img.src = 'src/assets/img/mountains.png';
});
fromEvent(this.myInput?.nativeElement, 'input')
.pipe(
// debounceTime(500), decommentarlo se bisogna fare una chiamata http
distinctUntilChanged()
).subscribe((val: any) => {
this.luoghiPopup.next(this.luoghi.filter(l => l.location.toLowerCase().startsWith(val.target.value.toLowerCase())))
})
console.log("home init");
this.subs.push(this.readjsonService.getLocation("Lugano").subscribe(val => console.log(val)))
const text = 'https://aramisgrata.ch'; // sostituisci con la tua stringa
QRCode.toDataURL(text, {errorCorrectionLevel: 'H'}, (err, url) => {
this.qrCodeImage = url;
});
}
ngOnDestroy() {
this.subs.forEach(sub => sub.unsubscribe())
}
ngAfterViewInit() {
const canvas = this.myCanvas?.nativeElement;
if (canvas)
this.animateClouds(canvas);
if (this.locations != undefined) {
fromEvent(this.myInput?.nativeElement, 'focus').pipe(
// debounceTime(500), decommentarlo se bisogna fare una chiamata http
distinctUntilChanged()
).subscribe((val: any) => {
this.locationsPopup.next(this.locations.filter(l => l.location.toLowerCase().startsWith(val.target.value.toLowerCase())))
})
}
this.canvas = this.canvasRef?.nativeElement;
if (this.canvas) {
this.ctx = this.canvas.getContext('2d');
this.img = new Image();
this.img.onload = () => {
this.ctx.drawImage(this.img, 0, 0);
const qrCode = new Image();
if (typeof this.qrCodeImage === "string") {
qrCode.src = this.qrCodeImage;
}
qrCode.onload = () => {
const qrCodeSize = 100;
const margin = 20;
const x = this.canvas.width - qrCodeSize - margin;
const y = this.canvas.height - qrCodeSize - margin;
this.ctx.drawImage(qrCode, x, y, qrCodeSize, qrCodeSize);
}
}
this.img.src = 'src/assets/img/mountains.png';
}
fromEvent(this.myInput?.nativeElement, 'input')
.pipe(
// debounceTime(500), decommentarlo se bisogna fare una chiamata http
distinctUntilChanged()
).subscribe((val: any) => {
this.locationsPopup.next(this.locations.filter(l => l.location.toLowerCase().startsWith(val.target.value.toLowerCase())))
})
}
animateClouds(canvas: HTMLCanvasElement): void {
console.log("animating clouds")
let x = -200;
let y = 100;
let speed = 2;
@@ -138,7 +133,6 @@ export class HomeComponent implements OnInit, AfterViewInit, OnDestroy {
}
drawCloud(x: number, y: number, ctx: CanvasRenderingContext2D) {
console.log("xy:"+ x, y)
ctx.beginPath();
ctx.arc(x, y, 50, 0, 2 * Math.PI);
ctx.arc(x + 25, y - 25, 50, 0, 2 * Math.PI);
@@ -148,11 +142,11 @@ export class HomeComponent implements OnInit, AfterViewInit, OnDestroy {
ctx.fill();
}
cercaLuogo(locations: string){
setTimeout(()=>{
cercaLuogo(locations: string) {
setTimeout(() => {
}, 1000);
this.locationsFiltrati = this.locations.filter((l: Locations) => l.location.toLowerCase().startsWith(locations.toLowerCase()));
if(this.locationsFiltrati.length > 0){
if (this.locationsFiltrati.length > 0) {
this.suggerimentoAttivo = true;
this.suggerimento = this.locationsFiltrati[0].location;
this.completamento = stringDifference(locations, this.suggerimento);
@@ -163,13 +157,6 @@ export class HomeComponent implements OnInit, AfterViewInit, OnDestroy {
this.myInput?.nativeElement.focus();
}
consigliaSuggerimento(locations: string) {
if (this.suggerimentoAttivo) {
this.luogoSelezionato = locations + "-" + this.completamento;
this.suggerimento = '';
}
}
selezionaSuggerimento(event: KeyboardEvent) {
if (event.key === 'Tab' || event.key === 'Enter') {
if (this.suggerimentoAttivo) {
@@ -185,6 +172,7 @@ export class HomeComponent implements OnInit, AfterViewInit, OnDestroy {
return null;
}
protected readonly Event = Event;
}
function stringDifference(str1: string, str2: string): string {
@@ -196,4 +184,3 @@ function stringDifference(str1: string, str2: string): string {
}
return diff;
}