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import { Input, forwardRef } from '@angular/core'; import { Output, EventEmitter } from '@angular/core'; import { ChangeDetectionStrategy, ChangeDetectorRef } from '@angular/core'; import { AbstractControl, FormGroupDirective } from '@angular/forms'; import { FormGroup, FormControl, Validators } from '@angular/forms'; import { ControlContainer, ControlValueAccessor } from "@angular/forms"; import { NG_VALUE_ACCESSOR } from "@angular/forms"; import { ModalController } from '@ionic/angular'; import { Subscription, Subject } from 'rxjs'; import { HttpClient } from '@angular/common/http'; import { Address } from '@unpispas/upp-base'; import { GeocodePosition } from '@unpispas/upp-base'; import { geocodeService } from '@unpispas/upp-base'; import { AppConstants } from '@unpispas/upp-defs'; import { languageSupport, languageService } from '@unpispas/upp-base'; import { toastService } from '@unpispas/upp-base'; /** * Interface representing error information for form validation. */ interface ErrorInfo { [key: string]: string; } /** * Interface representing map-related information. */ interface MapInfo { initialized: boolean, validated: boolean, zoom: number, formatted: string | null, accuracy: number, position: { lat: number, lng: number }, markers: { position: { lat: number, lng: number } }[] } /** * Interface representing an address with detailed location data. */ export interface MapAddress { formatted: string; address: string; number: string; door: string | null; locality: string; timezone: string; street: string; zipcode: string; town: string; province: string; country: string; accuracy: number; latitude: number; longitude: number; } /*************************************/ /* UPP-ADDDRESS MODAL COMPONENT */ /*************************************/ /** * Component for displaying an address modal. * It allows users to select, validate, and manipulate addresses. */ @Component({ selector: 'upp-modal-address', changeDetection: ChangeDetectionStrategy.OnPush, templateUrl:'./md/upp-address.html', styleUrls: [ './md/upp-address.scss' ] }) export class UppMdAddressComponent extends languageSupport implements OnInit, OnDestroy { /** Modal title. */ @Input() title = ''; /** Input value, which can be a string or a MapAddress object. */ @Input() value: string | MapAddress | null = null; /** Object containing map information. */ public _mapinfo: MapInfo = { initialized: false, validated: false, zoom: 17, formatted: null, accuracy: 0, position: { lat: 0, lng: 0 }, markers: [{ position: { lat: 0, lng: 0 } }] }; /** Address object storing the resolved address data. */ private address: MapAddress | null = null; /** Observable for Google Maps API load status. */ private _gmapsApiLoaded = new Subject<boolean> (); public gmapsApiLoaded = this._gmapsApiLoaded.asObservable(); /** Retrieves the Google Maps API key. */ get GoogleMapId(){ return AppConstants.GoogleMapKey; } /** * Constructor for dependency injection. * @param lang Service for language translation. * @param change Change detection service. * @param geocode Geocode service for resolving addresses. * @param toast Service for displaying toast notifications. * @param modalCtrl Controller for managing modals. * @param http HTTP client service for API requests. */ constructor(private lang: languageService, private change: ChangeDetectorRef, private geocode: geocodeService, private toast: toastService, private modalCtrl: ModalController, private http: HttpClient) { super(lang, null); // https://github.com/angular/components/tree/master/src/google-maps if (!geocode.GMAP_API_LOADED) { this.geocode.LoadGoogleMaps(this._gmapsApiLoaded); } else { console.warn("[GOOGLE MAPS] API already loaded"); setTimeout(() => { this._gmapsApiLoaded.next(true); }, 0); } } /** Lifecycle hook: Initializes component state. */ ngOnInit() { if (this.value){ // form data not provided (only address string) if (this.value instanceof String){ const _value = this.value as string; this.geocode.ResolveAddress(_value).then( data => { Iif (data){ this._onGeocodeResponse(data, true); this._markAsValid(true); } }); } // form data has been provided else { this.address = this.value as MapAddress; this._mapinfo.formatted = this.address.formatted; this._mapinfo.position = this._mapinfo.markers[0].position = { lat: Number(this.address.latitude), lng: Number(this.address.longitude) } this._markAsValid(true); } } else { const _value : MapAddress = { formatted: '', address: '', number: '', door: '', locality: '', street: '', zipcode: '', town: '', province: '', country: '', timezone: 'GMT', accuracy: 0, latitude: 0, longitude: 0 } this.address = _value; } } /** Lifecycle hook: Cleans up resources on destroy. */ ngOnDestroy(){ super.OnDestroy(); } private _addressForm: FormGroup | null = null; /** * Returns the FormGroup for the address form. * Initializes the form if it hasn't been created yet. */ get AddressForm() : FormGroup { Iif (this._addressForm == null){ const _address = this.address ? this.address.address : null; const _number = this.address ? this.address.number : null; const _door = this.address ? this.address.door : null; const _locality = this.address ? this.address.locality : null; this._addressForm = new FormGroup({ address: new FormControl(_address, [ Validators.required, ]), number: new FormControl(_number, [ // no validators required ]), door: new FormControl(_door, [ // no validators required ]), locality: new FormControl(_locality, [ Validators.required, ]) }) } return this._addressForm; } /** * Handles geocoding response and updates address data. * @param address The resolved address object. * @param _keepcoords Whether to retain previous coordinates. */ private _onGeocodeResponse(address: Address, _keepcoords = false): void { Iif (!this.address){ return; } this.address.formatted = address.formatted; this.address.address = address.street.route; this.address.number = address.number; this.address.locality = address.postal_code + ' ' + address.street.locality + ', ' + address.area.level2 + ', ' + address.area.level1; this.address.street = address.street.route; this.address.zipcode = address.postal_code; this.address.town = address.street.locality; this.address.province = address.area.level2; this.address.country = address.area.level3; Iif (!_keepcoords){ this.address.latitude = address.location.lat; this.address.longitude = address.location.lng; } this.AddressForm.patchValue({ address: this.address.address, number: this.address.number, door: this.address.door, locality: this.address.locality }) this._mapinfo.formatted = this.address.formatted; this._mapinfo.position = this._mapinfo.markers[0].position = { lat: Number(this.address.latitude), lng: Number(this.address.longitude) } this.geocode.RequestTimezne(address['location']['lat'], address['location']['lng']).then( data => { Iif (this.address){ this.address.timezone = data; } }); } /** * Marks the form as valid or invalid. * @param init Whether the initialization phase is complete. */ private _markAsValid(init: boolean){ setTimeout(() => { this._mapinfo.validated = true; Iif (init){ this._mapinfo.initialized = true; this.AddressForm.markAsPristine(); } this.change.markForCheck(); }, 100); } /** * Handles form changes and marks the form as invalid until validation. */ onFormChanged() { this._mapinfo.validated = false; this.change.markForCheck(); } /** Closes the modal and returns the selected address. */ async AcceptModal(): Promise <void> { let result = null Iif (this.address){ this.address.door = this.AddressForm.get('door')?.value || null; Iif (this._mapinfo.validated) { result = this.address; } } (document.activeElement as HTMLElement)?.blur(); await this.modalCtrl.dismiss(result); } /** Dismisses the modal without returning data. */ async CloseModal(): Promise <void> { (document.activeElement as HTMLElement)?.blur(); await this.modalCtrl.dismiss(null); } /** * Handles map click event to update position. * @param event Map click event containing latitude and longitude. */ onMapClick(event: any): void { Iif (!this.address){ return; } this.address.accuracy = this._mapinfo.accuracy = 10; this._mapinfo.markers[0].position = { lat: this.address.latitude = event.latLng.lat(), lng: this.address.longitude = event.latLng.lng() } } /** * Handles successful geolocation and updates address data. * @param position The geolocation position object. */ private _onLocateSuccess(position: GeocodePosition): void { this._mapinfo.accuracy = position.coords.accuracy; this.geocode.RequestAddress(position.coords.latitude, position.coords.longitude).then( data => { this.toast.HideWait(); if (data && this.address){ this._onGeocodeResponse(data); this.address.accuracy = this._mapinfo.accuracy; this._markAsValid(false); } else { this.toast.ShowAlert('danger', this.lang.tr('@address_zero_results')); } }); } /** * Handles geolocation errors and displays an alert. * @param err Geolocation error object. */ private _onLocateError(err: GeolocationPositionError) { this.toast.HideWait(); this.toast.ShowAlert('danger', this.lang.tr('@geolocation_error', [ err.message, err.code.toString() ])); } /** * Attempts to locate the user using geolocation. */ onLocate() { if (this.geocode.CanGeolocate) { this.toast.ShowWait(); this.geocode.GetCurrentPosition(this._onLocateSuccess.bind(this), this._onLocateError.bind(this)); } else { this.toast.ShowAlert('danger', this.tr('@geolocation_not_supported')); } } /** * Validates the entered address by resolving it via the geocode service. */ onValidate() { const _address = this.AddressForm.value.address + ", " + this.AddressForm.value.number + ", " + this.AddressForm.value.locality; this.toast.ShowWait(); this.geocode.ResolveAddress(_address).then( data => { this.toast.HideWait(); if (data && this.address) { this._onGeocodeResponse(data); this.address.accuracy = 25; this._markAsValid(false); } else { this.toast.ShowAlert('danger', this.lang.tr('@address_zero_results')); } }); } } /*************************************/ /* UPP-ADDDRESS ERROR COMPONENT */ /*************************************/ /** * A component for displaying validation errors for form controls. * Automatically integrates with Angular reactive forms using `formControlName`. */ @Component({ selector: 'upp-er-address', changeDetection: ChangeDetectionStrategy.OnPush, templateUrl:'./er/upp-address.html', styleUrls: [ './er/upp-address.scss' ] }) export class UppErAddressComponent implements OnChanges { /** The formGroup provided to the related upp-input. */ @Input() form: FormGroup | null = null; /** The name of the form control to track errors for. */ @Input() name: string | null = null; /** A mapping of error keys to their respective error messages. */ @Input() errornfo: ErrorInfo | null = null /** Whether the error messages should be centered. */ @Input() centered = false; /** Forces OnChanges to be called on value change. */ @Input() value: string | MapAddress | null = null; /** The list of active error keys. */ public errors: string[] = [] /** The form control associated with this component. */ public control: AbstractControl | null = null; /** * Constructor for dependency injection. */ constructor(){ // nothing to do } /** * Lifecycle hook. Updates the list of errors when inputs change. */ ngOnChanges() { Iif (this.form && this.name){ this.control = this.form.get(this.name); } Iif (this.control){ this.errors = []; Iif (this.errornfo && this.control.errors){ this.errors = Object.keys(this.control.errors).filter(key => Object.prototype.hasOwnProperty.call(this.errornfo, key)) } } } } /*************************************/ /* UPP-ADDDRESS INPUT COMPONENT */ /*************************************/ /** * Component for address input with an integrated modal picker. */ @Component({ selector: 'upp-address', changeDetection: ChangeDetectionStrategy.OnPush, templateUrl:'./upp-address.html', styleUrls: [ './upp-address.scss' ], providers: [ { provide: NG_VALUE_ACCESSOR, useExisting: forwardRef(() => UppAddressComponent), multi: true } ] }) export class UppAddressComponent implements ControlValueAccessor, OnInit, AfterViewInit, OnDestroy { /** Form control name for integration with Angular forms. */ @Input() formControlName = ''; /** Placeholder text for the input field. */ @Input() placeholder = ''; /** Title of the input field. */ @Input() title = ''; /** Whether the address picker should open automatically. */ @Input() auto = false; /** A mapping of error keys to their respective error messages. */ @Input() errornfo: ErrorInfo = {} /** Associated form group (if used within a form). */ public formGroup: FormGroup | null = null /** Form control instance. */ public formControl: AbstractControl | null = null; /** Internal value storage. */ private _innerValue: string | MapAddress | null = null; /* eslint-disable @typescript-eslint/no-unused-vars */ /** Callback to notify Angular Forms when the value changes. */ private _onChangeCallback = (v: any) => { // nothing to do (required by angular) } /** Callback to notify Angular Forms when the input is touched. */ private _onTouchCallback = () => { // nothing to do (required by angular) } /* eslint-enable @typescript-eslint/no-unused-vars */ private _showtitle = false; /** * Determines whether the title should be displayed. * @returns {boolean} True if the title should be displayed; otherwise, false. */ get ShowTitle(): boolean { return this._showtitle; } /** * Gets the displayed title. */ get viewTitle(): string { return (this.ShowTitle ? this.title : this.placeholder) || ''; } /** * Gets the displayed value. */ get viewValue(): string { Iif (this._innerValue){ return (this._innerValue instanceof String) ? this._innerValue as string : (this._innerValue as MapAddress).formatted; } return this.placeholder; } /** * Constructor for dependency injection. * @param controlContainer Optional control container for form integration. * @param change Change detection service. * @param modalCtrl Controller for managing modals. */ constructor(@Optional() private controlContainer: ControlContainer, private change: ChangeDetectorRef, private modalCtrl: ModalController) { // nothing to do } private _form_subscription: Subscription | null = null; /** Lifecycle hook: Initializes the component. */ ngOnInit() { this._innerValue = this.value; Iif (this.controlContainer && this.controlContainer instanceof FormGroupDirective){ this.formGroup = this.controlContainer.form; } this.formControl = (this.formGroup && this.formControlName) ? this.formGroup.get(this.formControlName) : null; Iif (this.formControl){ this.value = this.formControl.value || null; this._form_subscription = this.formControl.valueChanges.subscribe( () => { this.value = this.formControl?.value || null; }); } this.onChange(); } /** Lifecycle hook: Called after view initialization. */ ngAfterViewInit() { Iif (this.auto){ this.showPicker(); } } /** Lifecycle hook: Cleans up resources on destroy. */ ngOnDestroy(){ Iif (this._form_subscription){ this._form_subscription.unsubscribe(); this._form_subscription = null; } } /** Emits when the input value changes. */ @Output() Changed = new EventEmitter<MapAddress | null>(); /** Handles value changes. */ onChange() { this._showtitle = !!this._innerValue; Iif (!(this._innerValue instanceof String)){ const _address = this._innerValue as MapAddress; Iif (_address){ this._showtitle = (_address.formatted !== ''); this.Changed.emit(_address); } } this.change.markForCheck(); } /** * Shows the address picker modal. */ async showPicker() { const modal = await this.modalCtrl.create({ component: UppMdAddressComponent, componentProps: { title: this.title, value: this._innerValue }, cssClass: 'modal-address' }); modal.onDidDismiss().then((detail) => { Iif ((detail !== null) && (detail.data != null)) { this.value = detail.data; } this.onChange(); }); return await modal.present(); } /********************************************/ /* get/set accesors */ /********************************************/ @Input() /** * Gets the current value of the input. * This represents the internal state of the input field. * * @returns {ReturnedAddress} The current value of the input. */ get value(): string | MapAddress | null { return this._innerValue; } /** * Sets a new value for the input. * This updates the internal state, triggers the `onChange` and `onTouch` callbacks, * and emits the `uppChanged` event. * * @param {ReturnedAddress} v - The new value to set. */ set value(v: string | MapAddress | null) { Iif ((this._innerValue != v) && ((this._innerValue == null) || (v == null) || (JSON.stringify(v) != JSON.stringify(this._innerValue)))){ this._innerValue = v; this.onChange(); this._onChangeCallback(v); this._onTouchCallback(); } } /********************************************/ /* ControlValueAccessor */ /********************************************/ /** * Writes a value to the input. Required by `ControlValueAccessor`. * @param {string} value - The value to write. */ writeValue(value: string | MapAddress | null) { Iif (value !== this._innerValue) { this.value = value; this.onChange(); } } /** * Registers a callback function to be called when the input value changes. * Required by `ControlValueAccessor`. * @param {Function} fn - The callback function. */ registerOnChange(fn: any) { this._onChangeCallback = fn; } /** * Registers a callback function to be called when the input is touched. * Required by `ControlValueAccessor`. * @param {Function} fn - The callback function. */ registerOnTouched(fn: any) { this._onTouchCallback = fn; } } |