ParamDefinition: add method to copies values from another parameter

src/param/param-definition.ts

@@ -493,6 +493,34 @@ export class ParamDefinition implements INamedIterableValues, IObservable {
         return this.paramValues.valuesIterator.count();
     }
 
+    /**
+     * Copies values of p into the current parameter, whatever the valueMode is; if
+     * p has linked values, the target values will be copied and the links won't be kept
+     * @param p a reference ParamDefinition or ParamValues to copy values from
+     */
+    public copyValuesFrom(p: ParamDefinition | ParamValues) {
+        this.valueMode = p.valueMode;
+        switch (p.valueMode) {
+            case ParamValueMode.MINMAX:
+                this.min = p.min;
+                this.max = p.max;
+                this.step = p.step;
+                break;
+            case ParamValueMode.LISTE:
+                this.valueList = p.valueList;
+                break;
+            case ParamValueMode.LINK:
+                if (p instanceof ParamDefinition) {
+                    this.copyValuesFrom(p.referencedValue.getParamValues());
+                }
+                break;
+            case ParamValueMode.CALCUL:
+            case ParamValueMode.SINGLE:
+            default:
+                this.singleValue = p.singleValue;
+        }
+    }
+
     // for INumberiterator interface
     public get currentValue(): number {
         // magically follows links