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Mathias Chouet authored24e1090a
// cf. https://blog.thoughtram.io/angular/2016/07/27/custom-form-controls-in-angular-2.html
import { Component, ChangeDetectorRef } from "@angular/core";
import { Message, ParamDefinition, ParamDomain, ParamDomainValue, Observable, isNumeric } from "jalhyd";
import { I18nService } from "../../services/internationalisation/internationalisation.service";
import { GenericInputComponent } from "../generic-input/generic-input.component";
export class NgBaseParam extends Observable {
private _param: ParamDefinition;
constructor(symb: string, d: ParamDomain | ParamDomainValue, val: number) {
super();
this._param = new ParamDefinition(null, symb, d, val);
}
public get symbol() {
return this._param.symbol;
}
public get isDefined() {
return this._param.isDefined;
}
public getValue() {
return this._param.getValue();
}
public checkValue(val: number) {
return this._param.checkValue(val);
}
public setValue(val: number) {
this._param.setValue(val);
this.notifyObservers(val);
}
}
@Component({
selector: "base-param-input",
templateUrl: "../generic-input/generic-input.component.html",
})
export class BaseParamInputComponent extends GenericInputComponent {
constructor(private intlService: I18nService, cdRef: ChangeDetectorRef) {
super(cdRef);
}
/**
* paramètre géré
*/
private get _paramDef(): NgBaseParam {
return this._model;
}
/**
* valeur intermédiaire nécessitée par le fait que toutes les valeurs numériques ne sont pas légales
* pour NgParameter (l'affecter peut provoquer une exception) et qui permet de faire fonctionner la validation du modèle
*/
private _tmp: number;
protected afterSetModel() {
this._tmp = this._paramDef.getValue();
}
protected getModelValue(): any {
return this._tmp;
}
protected setModelValue(sender: any, v: any) {
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this._tmp = v;
try {
this._paramDef.setValue(v);
} catch (e) {
// géré par validateModelValue()
}
}
protected validateModelValue(v: any): { isValid: boolean, message: string } {
let msg;
let valid = false;
try {
this._paramDef.checkValue(v);
valid = true;
} catch (e) {
if (e instanceof Message) {
msg = this.intlService.localizeMessage(e);
} else {
msg = "invalid value";
}
}
return { isValid: valid, message: msg };
}
protected modelToUI(v: any): string {
return String(v);
}
protected validateUIValue(ui: string): { isValid: boolean, message: string } {
let valid = false;
let msg: string;
if (! isNumeric(ui)) {
msg = "Veuillez entrer une valeur numérique";
} else {
valid = true;
}
return { isValid: valid, message: msg };
}
protected uiToModel(ui: string) {
return +ui;
}
}