fix: set invalid parameter single value to undefined

refs #501

src/app/components/generic-input/generic-input.component.ts

@@ -154,11 +154,14 @@ export abstract class GenericInputComponentDirective implements OnChanges {
             this.emitValidChanged();
         }
         // répercussion des erreurs sur le Form angular, pour faire apparaître/disparaître les mat-error
+        // setTimeout(() => {  // en cas de pb, décommenter le timeout
         if (b) {
             this.inputField.control.setErrors(null);
         } else {
             this.inputField.control.setErrors({ "incorrect": true });
         }
+        //     this.inputField.control.markAsTouched();
+        // }, 100);
     }
 
     private validateModel(): boolean {

src/app/components/ngparam-input/ngparam-input.component.ts

@@ -2,7 +2,7 @@
 
 import { Component, ChangeDetectorRef, OnDestroy, Input, ElementRef } from "@angular/core";
 
-import { Message, Observer } from "jalhyd";
+import { Message, MessageCode, Observer } from "jalhyd";
 
 import { I18nService } from "../../services/internationalisation.service";
 import { NgParameter } from "../../formulaire/elements/ngparam";
@@ -99,6 +99,9 @@ export class NgParamInputComponent extends GenericInputComponentDirective implem
             msg = "internal error, model undefined";
         } else {
             try {
+                if (!this._paramDef.allowEmpty && v === undefined) {
+                    throw new Message(MessageCode.ERROR_PARAMDEF_VALUE_UNDEFINED);
+                }
                 this._paramDef.checkValue(v);
                 valid = true;
             } catch (e) {
@@ -148,6 +151,9 @@ export class NgParamInputComponent extends GenericInputComponentDirective implem
     }
 
     public ngOnDestroy() {
+        if (!this.isValid && this.getModelValue() !== undefined) {
+            this.setModelValue(this, undefined);
+        }
         this._paramDef.removeObserver(this);
     }
 }