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import { Component, ApplicationRef, OnInit, OnDestroy, HostListener, ViewChild, ComponentRef } from "@angular/core";import { Router, Event, NavigationEnd, ActivationEnd } from "@angular/router";import { MatSidenav, MatToolbar, MatDialog, MatIconRegistry } from "@angular/material";import { DomSanitizer } from "@angular/platform-browser";import { Observer, jalhydDateRev, jalhydVersion, CalculatorType, Session } from "jalhyd";import { environment } from "../environments/environment";import { I18nService } from "./services/internationalisation/internationalisation.service";import { ErrorService } from "./services/error/error.service";import { FormulaireService } from "./services/formulaire/formulaire.service";import { FormulaireDefinition } from "./formulaire/definition/form-definition";import { ServiceFactory } from "./services/service-factory";import { HttpService } from "./services/http/http.service";import { ApplicationSetupService } from "./services/app-setup/app-setup.service";import { nghydDateRev, nghydVersion } from "../date_revision";import { DialogConfirmEmptySessionComponent } from "./components/dialog-confirm-empty-session/dialog-confirm-empty-session.component";import { DialogLoadSessionComponent } from "./components/dialog-load-session/dialog-load-session.component";import { DialogSaveSessionComponent } from "./components/dialog-save-session/dialog-save-session.component";import { NotificationsService } from "./services/notifications/notifications.service";@Component({ selector: "nghyd-app", templateUrl: "./app.component.html", styleUrls: ["./app.component.scss"], providers: [ErrorService]})export class AppComponent implements OnInit, OnDestroy, Observer { @ViewChild("sidenav") public sidenav: MatSidenav; @ViewChild("navbar") public navbar: MatToolbar; /** current calculator, inferred from _currentFormId by setActiveCalc() (used for navbar menu) */ public currentCalc: any; /** * liste des modules de calcul. Forme des objets : * "title": nom du module de calcul * "uid": id unique du formulaire */ private _calculators: any[] = []; /** * id du formulaire courant * on utilise pas directement FormulaireService.currentFormId pour éviter l'erreur * ExpressionChangedAfterItHasBeenCheckedError */ private _currentFormId: string; private _innerWidth: number; /** * composant actuellement affiché par l'élément <router-outlet> */ private _routerCurrentComponent: Component; constructor( private intlService: I18nService, private appSetupService: ApplicationSetupService, private appRef: ApplicationRef, private errorService: ErrorService, private router: Router, private formulaireService: FormulaireService, private httpService: HttpService, private notificationsService: NotificationsService,7172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140
private confirmEmptySessionDialog: MatDialog,
private saveSessionDialog: MatDialog,
private loadSessionDialog: MatDialog,
private matIconRegistry: MatIconRegistry,
private domSanitizer: DomSanitizer
) {
ServiceFactory.instance.httpService = httpService;
ServiceFactory.instance.applicationSetupService = appSetupService;
ServiceFactory.instance.i18nService = intlService;
ServiceFactory.instance.formulaireService = formulaireService;
ServiceFactory.instance.notificationsService = notificationsService;
this.router.events.subscribe((event: Event) => {
// close side navigation when clicking a calculator tab
if (event instanceof NavigationEnd) {
this.sidenav.close();
window.scrollTo(0, 0);
}
// [de]activate calc tabs depending on loaded route
if (event instanceof ActivationEnd) {
const path = event.snapshot.url[0].path;
if (path === "calculator") {
const calcUid = event.snapshot.params.uid;
if (this.calculatorExists(calcUid)) {
this.setActiveCalc(calcUid);
} else {
// if required calculator does not exist, redirect to list page
this.toList();
}
} else {
this.setActiveCalc(null);
}
}
});
// icônes personnalisées
this.matIconRegistry.addSvgIcon(
"file_excel",
this.domSanitizer.bypassSecurityTrustResourceUrl("../../assets/icons/file-excel.svg")
);
}
/**
* Triggered at app startup.
* Preferences are loaded by app setup service
* @see ApplicationSetupService.construct()
*/
ngOnInit() {
this.formulaireService.addObserver(this);
this.subscribeErrorService();
this._innerWidth = window.innerWidth;
}
ngOnDestroy() {
this.unsubscribeErrorService();
this.formulaireService.removeObserver(this);
}
@HostListener("window:resize", ["$event"])
onResize(event) {
// keep track of window size for navbar tabs arrangement
this._innerWidth = window.innerWidth;
}
public get uitextSidenavNewCalc() {
return this.intlService.localizeText("INFO_MENU_NOUVELLE_CALC");
}
public get uitextSidenavParams() {
return this.intlService.localizeText("INFO_SETUP_TITLE");
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}
public get uitextSidenavLoadSession() {
return this.intlService.localizeText("INFO_MENU_LOAD_SESSION_TITLE");
}
public get uitextSidenavSaveSession() {
return this.intlService.localizeText("INFO_MENU_SAVE_SESSION_TITLE");
}
public get uitextSidenavEmptySession() {
return this.intlService.localizeText("INFO_MENU_EMPTY_SESSION_TITLE");
}
public get uitextSidenavHelp() {
return this.intlService.localizeText("INFO_MENU_HELP_TITLE");
}
public get uitextSelectCalc() {
return this.intlService.localizeText("INFO_MENU_SELECT_CALC");
}
public getCalculatorLabel(t: CalculatorType) {
return this.formulaireService.getLocalisedTitleFromCalculatorType(t);
}
public get calculators() {
return this._calculators;
}
public get currentFormId() {
return this._currentFormId;
}
public setActiveCalc(uid: string) {
this._calculators.forEach((calc) => {
calc.active = (calc.uid === uid);
});
// mark current calc for navbar menu
const index = this.getCalculatorIndexFromId(uid);
this.currentCalc = this._calculators[index];
}
/**
* Returns true if sum of open calculator tabs witdh is lower than navbar
* available space (ie. if navbar is not overflowing), false otherwise
*/
public get tabsFitInNavbar() {
// manual breakpoints
// @WARNING keep in sync with .calculator-buttons sizes in app.component.scss
let tabsLimit = 0;
if (this._innerWidth > 480) {
tabsLimit = 3;
}
if (this._innerWidth > 640) {
tabsLimit = 4;
}
if (this._innerWidth > 800) {
tabsLimit = 6;
}
/*if (this._innerWidth > 1200) {
tabsLimit = 8;
}*/
const fits = this._calculators.length <= tabsLimit;
return fits;
}
/**
* abonnement au service d'erreurs
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*/
private subscribeErrorService() {
this.errorService.addObserver(this);
}
private unsubscribeErrorService() {
this.errorService.removeObserver(this);
}
// interface Observer
update(sender: any, data: any): void {
if (sender instanceof FormulaireService) {
switch (data["action"]) {
case "createForm":
// add newly created form to calculators list
const f: FormulaireDefinition = data["form"];
this._calculators.push(
{
"title": f.calculatorName,
"type": f.calculatorType,
"uid": f.uid
}
);
// abonnement en tant qu'observateur du nouveau formulaire
f.addObserver(this);
break;
case "invalidFormId":
this.toList();
break;
case "currentFormChanged":
this._currentFormId = data["formId"];
break;
case "saveForm":
this.saveForm(data["form"]);
break;
case "closeForm":
const form: FormulaireDefinition = data["form"];
this.closeCalculator(form);
break;
}
} else if (sender instanceof FormulaireDefinition) {
switch (data["action"]) {
case "nameChanged":
this.updateCalculatorTitle(sender, data["name"]);
break;
}
}
}
/**
* Returns true if a form having "formUid" as UID exists
* @param formId UID to look for
*/
private calculatorExists(formId: string): boolean {
return (this.getCalculatorIndexFromId(formId) > -1);
}
private getCalculatorIndexFromId(formId: string) {
const index = this._calculators.reduce((resultIndex, calc, currIndex) => {
if (resultIndex === -1 && calc["uid"] === formId) {
resultIndex = currIndex;
}
return resultIndex;
}, -1);
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return index;
}
private updateCalculatorTitle(f: FormulaireDefinition, title: string) {
const formIndex = this.getCalculatorIndexFromId(f.uid);
this._calculators[formIndex]["title"] = title;
}
/**
* Saves a JSON serialised session file, for one or more calc modules
* @param calcList modules to save
* @param filename
*/
private saveSession(calcList: any[], filename) {
const elems = [];
const serialiseOptions: { [key: string]: {} } = {};
for (const c of calcList) {
if (c.selected) {
serialiseOptions[c.uid] = { // GUI-dependent metadata to add to the session file
title: c.title
};
}
}
const session: string = Session.getInstance().serialise(serialiseOptions);
this.formulaireService.downloadTextFile(session, filename);
}
/**
* Supprime un module de calcul **de l'interface**
* ATTENTION, ne supprime pas le module de calcul en mémoire !
* Pour cela, utiliser FormulaireService.requestCloseForm(form.uid);
* @param form module de calcul à fermer
*/
private closeCalculator(form: FormulaireDefinition) {
const formId: string = form.uid;
// désabonnement en tant qu'observateur
form.removeObserver(this);
// recherche du module de calcul correspondant à formId
const closedIndex = this.getCalculatorIndexFromId(formId);
/*
* détermination du nouveau module de calcul à afficher :
* - celui après celui supprimé
* - ou celui avant celui supprimé si on supprime le dernier
*/
let newId = null;
const l = this._calculators.length;
if (l > 1) {
if (closedIndex === l - 1) {
newId = this._calculators[closedIndex - 1]["uid"];
} else {
newId = this._calculators[closedIndex + 1]["uid"];
}
}
// suppression
this._calculators = this._calculators.filter(calc => {
return formId !== calc["uid"];
});
// MAJ affichage
if (newId === null) {
this.toList();
this._currentFormId = null;
} else {
this.toCalc(newId);
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}
}
private toList() {
this.router.navigate(["/list"]);
}
private toCalc(id: string) {
this.router.navigate(["/calculator", id]);
this.setActiveCalc(id);
}
/**
* récupération du composant affiché par le routeur
*/
public onRouterOutletActivated(a) {
this._routerCurrentComponent = a;
}
/**
* restarts a fresh session by closing all calculators
*/
public emptySession() {
const dialogRef = this.confirmEmptySessionDialog.open(
DialogConfirmEmptySessionComponent,
{ disableClose: true }
);
dialogRef.afterClosed().subscribe(result => {
if (result) {
this.doEmptySession();
}
});
}
public doEmptySession() {
for (const c of this._calculators) {
const form = this.formulaireService.getFormulaireFromId(c.uid);
this.formulaireService.requestCloseForm(form.uid);
}
// just to be sure, get rid of any Nub possibly stuck in session without any form attached
Session.getInstance().clear();
}
public loadSession() {
// création du dialogue de sélection des formulaires à sauver
const dialogRef = this.loadSessionDialog.open(
DialogLoadSessionComponent,
{ disableClose: true }
);
dialogRef.afterClosed().subscribe(result => {
if (result) {
if (result.emptySession) {
this.doEmptySession();
}
this.formulaireService.loadSession(result.file, result.calculators);
}
});
}
public get revisionInfo(): any {
return {
jalhyd: {
date: jalhydDateRev,
version: jalhydVersion,
},
nghyd: {
date: nghydDateRev,
version: nghydVersion
}
};
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}
/**
* sauvegarde du/des formulaires
* @param form formulaire à sélectionner par défaut dans la liste
*/
public saveForm(form?: FormulaireDefinition) {
// liste des formulaires
const list = [];
for (const c of this._calculators) {
const uid = c["uid"];
list.push({
"selected": form ? (uid === form.uid) : true,
"title": c["title"],
"uid": uid
});
}
// dialogue de sélection des formulaires à sauver
const dialogRef = this.saveSessionDialog.open(
DialogSaveSessionComponent,
{
data: {
calculators: list
},
disableClose: true
}
);
dialogRef.afterClosed().subscribe(result => {
if (result) {
let name = result.filename;
// ajout extension ".json"
const re = /.+\.json/;
const match = re.exec(name.toLowerCase());
if (match === null) {
name = name + ".json";
}
this.saveSession(result.calculators, name);
}
});
}
/**
* détection de la fermeture de la page/navigateur et demande de confirmation
*/
@HostListener("window:beforeunload", ["$event"])
confirmExit($event) {
if (environment.production) {
// affecter une valeur différente de null provoque l'affichage d'un dialogue de confirmation, mais le texte n'est pas affiché
$event.returnValue = "Your data will be lost !";
}
}
}