feat(tabs): added onDeselect callback, used similarly as onSelect

src/tabs/tabs.js

@@ -177,8 +177,9 @@ function($parse, $http, $templateCache, $compile) {
     transclude: true,
     scope: {
       heading: '@',
-      onSelect: '&select' //This callback is called in contentHeadingTransclude
+      onSelect: '&select', //This callback is called in contentHeadingTransclude
                           //once it inserts the tab's content into the dom
+      onDeselect: '&deselect'
     },
     controller: function() {
       //Empty controller so other directives can require being 'under' a tab
@@ -202,6 +203,9 @@ function($parse, $http, $templateCache, $compile) {
             tabsetCtrl.select(scope);
             scope.onSelect();
           }
+          else {
+            scope.onDeselect();
+          }
         });
 
         scope.disabled = false;
@@ -227,7 +231,7 @@ function($parse, $http, $templateCache, $compile) {
 
 
         //We need to transclude later, once the content container is ready.
-        //when this link happens, we're inside a tab heading. 
+        //when this link happens, we're inside a tab heading.
         scope.$transcludeFn = transclude;
       };
     }

src/tabs/test/tabsSpec.js

@@ -24,7 +24,7 @@ describe('tabs', function() {
     }
   }
 
-  
+
   describe('basics', function() {
 
     beforeEach(inject(function($compile, $rootScope) {
@@ -33,14 +33,16 @@ describe('tabs', function() {
       scope.second = '2';
       scope.actives = {};
       scope.selectFirst = jasmine.createSpy();
-      scope.selectSecond = jasmine.createSpy(); 
+      scope.selectSecond = jasmine.createSpy();
+      scope.deselectFirst = jasmine.createSpy();
+      scope.deselectSecond = jasmine.createSpy();
       elm = $compile([
         '<div>',
         '  <tabset class="hello" data-pizza="pepperoni">',
-        '    <tab heading="First Tab {{first}}" active="actives.one" select="selectFirst()">',
+        '    <tab heading="First Tab {{first}}" active="actives.one" select="selectFirst()" deselect="deselectFirst()">',
         '      first content is {{first}}',
         '    </tab>',
-        '    <tab active="actives.two" select="selectSecond()">',
+        '    <tab active="actives.two" select="selectSecond()" deselect="deselectSecond()">',
         '      <tab-heading><b>Second</b> Tab {{second}}</tab-heading>',
         '      second content is {{second}}',
         '    </tab>',
@@ -90,6 +92,14 @@ describe('tabs', function() {
       expect(scope.selectFirst).toHaveBeenCalled();
     });
 
+    it('should call deselect callback on deselect', function() {
+      titles().eq(1).find('a').click();
+      titles().eq(0).find('a').click();
+      expect(scope.deselectSecond).toHaveBeenCalled();
+      titles().eq(1).find('a').click();
+      expect(scope.deselectFirst).toHaveBeenCalled();
+    });
+
   });
 
   describe('ng-repeat', function() {
@@ -208,7 +218,7 @@ describe('tabs', function() {
       expect(heading().eq(2).text()).toBe('2');
       expect(heading().eq(3).text()).toBe('3');
     });
-    
+
   });
 
   //Tests that http://git.io/lG6I9Q is fixed