fix(inputs): fix form onChange/onTouch

ionic/components/checkbox/checkbox.ts

@@ -55,9 +55,6 @@ export class Checkbox {
   ) {
     _form.register(this);
 
-    this.onChange = (_) => {};
-    this.onTouched = (_) => {};
-
     if (ngControl) {
       ngControl.valueAccessor = this;
     }
@@ -114,6 +111,20 @@ export class Checkbox {
     this.checked = value;
   }
 
+  /**
+   * @private
+   */
+  onChange(val) {
+    // TODO: figure the whys and the becauses
+  }
+
+  /**
+   * @private
+   */
+  onTouched(val) {
+    // TODO: figure the whys and the becauses
+  }
+
   /**
    * @private
    * Angular2 Forms API method called by the view (NgControl) to register the

ionic/components/radio/radio.ts

@@ -55,7 +55,9 @@ export class RadioButton {
     private _form: Form,
     private _renderer: Renderer,
     private _elementRef: ElementRef
-  ) {}
+  ) {
+    _form.register(this);
+  }
 
   /**
    * @private
@@ -88,6 +90,13 @@ export class RadioButton {
   public set isChecked(isChecked) {
     this._renderer.setElementAttribute(this._elementRef, 'aria-checked', isChecked);
   }
+
+  /**
+   * @private
+   */
+  ngOnDestroy() {
+    this._form.deregister(this);
+  }
 }
 
 
@@ -184,8 +193,19 @@ export class RadioGroup {
     }
   }
 
-  public onChange = (_:any) => {};
-  public onTouched = () => {};
+  /**
+   * @private
+   */
+  onChange(val) {
+    // TODO: figure the whys and the becauses
+  }
+
+  /**
+   * @private
+   */
+  onTouched(val) {
+    // TODO: figure the whys and the becauses
+  }
 
   /**
    * @private

ionic/components/toggle/toggle.ts

@@ -91,9 +91,6 @@ export class Toggle {
     this.lastTouch = 0;
     this.mode = config.get('mode');
 
-    this.onChange = (_) => {};
-    this.onTouched = (_) => {};
-
     if (ngControl) {
       ngControl.valueAccessor = this;
     }
@@ -164,13 +161,6 @@ export class Toggle {
     this.onChange(this._checked);
   }
 
-  /**
-   * @private
-   */
-  writeValue(value) {
-    this.checked = value;
-  }
-
   /**
    * @private
    */
@@ -209,6 +199,27 @@ export class Toggle {
     this.isActivated = false;
   }
 
+  /**
+   * @private
+   */
+  writeValue(value) {
+    this.checked = value;
+  }
+
+  /**
+   * @private
+   */
+  onChange(val) {
+    // TODO: figure the whys and the becauses
+  }
+
+  /**
+   * @private
+   */
+  onTouched(val) {
+    // TODO: figure the whys and the becauses
+  }
+
   /**
    * @private
    */
@@ -225,7 +236,7 @@ export class Toggle {
   ngOnDestroy() {
     this.removeMoveListener();
     this.toggleEle = this.addMoveListener = this.removeMoveListener = null;
-    this.form.deregister(this);
+    this._form.deregister(this);
   }
 
   /**