feat(tabs): allow disabling select click event by adding md-no-select-click attribute

Closes #5351 #5930

Author: epelc

src/components/tabs/js/tabsController.js

@@ -32,6 +32,7 @@ function MdTabsController ($scope, $element, $window, $mdConstant, $mdTabInkRipp
   defineBooleanAttribute('swipeContent');
   defineBooleanAttribute('noDisconnect');
   defineBooleanAttribute('autoselect');
+  defineBooleanAttribute('noSelectClick');
   defineBooleanAttribute('centerTabs', handleCenterTabs, false);
   defineBooleanAttribute('enableDisconnect');
 
@@ -291,6 +292,8 @@ function MdTabsController ($scope, $element, $window, $mdConstant, $mdTabInkRipp
   function select (index) {
     if (!locked) ctrl.focusIndex = ctrl.selectedIndex = index;
     ctrl.lastClick = true;
+    // skip the click event if noSelectClick is enabled
+    if (ctrl.noSelectClick) return;
     // nextTick is required to prevent errors in user-defined click events
     $mdUtil.nextTick(function () {
       ctrl.tabs[ index ].element.triggerHandler('click');

src/components/tabs/js/tabsDirective.js

@@ -63,6 +63,7 @@
  * @param {boolean=} md-swipe-content When enabled, swipe gestures will be enabled for the content area to jump between tabs
  * @param {boolean=} md-enable-disconnect When enabled, scopes will be disconnected for tabs that are not being displayed.  This provides a performance boost, but may also cause unexpected issues and is not recommended for most users.
  * @param {boolean=} md-autoselect When present, any tabs added after the initial load will be automatically selected
+ * @param {boolean=} md-no-select-click When enabled, click events will not be fired when selecting tabs
  *
  * @usage
  * <hljs lang="html">