classe Observable : suppression du setter sender()

src/app/formulaire/ngparam.ts

@@ -81,7 +81,6 @@ export class NgParameter extends InputField implements IObservable {
     constructor(private _paramDef: ParamDefinition, formId: number) {
         super(_paramDef.computeNodeType, _paramDef.symbol, formId);
         this._observable = new Observable();
-        this._observable.sender = this;
     }
 
     get symbol(): string {
@@ -305,6 +304,6 @@ export class NgParameter extends InputField implements IObservable {
      * notifie un événement aux observateurs
      */
     public notifyObservers(data: any) {
-        this._observable.notifyObservers(data);
+        this._observable.notifyObservers(data, this);
     }
 }

src/app/services/observer.ts

@@ -16,21 +16,14 @@ export interface IObservable {
     /**
      * notifie un événement aux observateurs
      */
-    notifyObservers(data: any);
+    notifyObservers(data: any, sender?: any);
 }
 
 export class Observable implements IObservable {
     private _observers: Observer[];
 
-    private _sender: IObservable;
-
     constructor() {
         this._observers = [];
-        this._sender = this;
-    }
-
-    public set sender(s: IObservable) {
-        this._sender = s;
     }
 
     /**
@@ -51,8 +44,10 @@ export class Observable implements IObservable {
     /**
      * notifie un événement aux observateurs
      */
-    public notifyObservers(data: any) {
+    public notifyObservers(data: any, sender?: any) {
+        if (sender == undefined)
+            sender = this;
         for (let o of this._observers)
-            o.update(this._sender, data);
+            o.update(sender, data);
     }
 }