fix(radio-group): missing setDisabledState

Author: SisIvanova

projects/igniteui-angular/src/lib/directives/radio/radio-group.directive.ts

@@ -142,7 +142,7 @@ export class IgxRadioGroupDirective implements AfterContentInit, ControlValueAcc
     public set disabled(newValue: boolean) {
         if (this._disabled !== newValue) {
             this._disabled = newValue;
-            this._disableRadioButtons();
+            this.setDisabledState(newValue);
         }
     }
 
@@ -339,6 +339,18 @@ export class IgxRadioGroupDirective implements AfterContentInit, ControlValueAcc
         this._onChangeCallback = fn;
     }
 
+    /**
+     * @hidden
+     * @internal
+     */
+     public setDisabledState(isDisabled: boolean) {
+        if (this.radioButtons) {
+            this.radioButtons.forEach((button) => {
+                button.disabled = isDisabled;
+            });
+        }
+    }
+
     /**
      * Registers a function called when the control is touched.
      *
@@ -457,18 +469,6 @@ export class IgxRadioGroupDirective implements AfterContentInit, ControlValueAcc
         }
     }
 
-    /**
-     * @hidden
-     * @internal
-     */
-    private _disableRadioButtons() {
-        if (this.radioButtons) {
-            this.radioButtons.forEach((button) => {
-                button.disabled = this._disabled;
-            });
-        }
-    }
-
     /**
      * @hidden
      * @internal