fix(exposeAsideWhen): disable with isEnabled=false

Closes #2210

Author: adamdbradley

Diff for: js/angular/controller/sideMenuController.js

@@ -259,6 +259,8 @@ function($scope, $attrs, $ionicSideMenuDelegate, $ionicPlatform, $ionicBody) {
   };
 
   self.exposeAside = function(shouldExposeAside) {
+    if(!self.left || !self.left.isEnabled) return;
+
     self.close();
     isAsideExposed = shouldExposeAside;
 

Diff for: test/unit/angular/controller/sideMenuController.unit.js

@@ -134,6 +134,16 @@ describe('$ionicSideMenus controller', function() {
     expect(ctrl.getOpenPercentage()).toEqual(0);
   });
 
+  it('should set enabled/disabled exposeAside', function() {
+    expect(ctrl.isAsideExposed()).toEqual(false);
+    ctrl.left.setIsEnabled(false);
+    ctrl.exposeAside(true);
+    expect(ctrl.isAsideExposed()).toEqual(false);
+    ctrl.left.setIsEnabled(true);
+    ctrl.exposeAside(true);
+    expect(ctrl.isAsideExposed()).toEqual(true);
+  });
+
   it('should toggle right', function() {
     ctrl.toggleRight();
     expect(ctrl.getOpenPercentage()).toEqual(-100);