base-param-input.component.ts

// cf. https://blog.thoughtram.io/angular/2016/07/27/custom-form-controls-in-angular-2.html

import { Component, Input, forwardRef, OnInit, DoCheck, ChangeDetectorRef } from "@angular/core";
import { ControlValueAccessor, NG_VALUE_ACCESSOR, NG_VALIDATORS, FormControl } from "@angular/forms";

import { BaseParam, NumericalString, Message, ParamDomain, ParamDomainValue } from "jalhyd";

import { InternationalisationService, LanguageCode } from "../../services/internationalisation/internationalisation.service";
import { Observable } from "../../services/observer";
import { GenericInputComponent } from "../generic-input/generic-input.component";

export class NgBaseParam extends Observable {
    private _param: BaseParam;

    constructor(symb: string, d: ParamDomain | ParamDomainValue, val: number) {
        super();
        this._param = new BaseParam(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: InternationalisationService, 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;
    }