fix(tooltip): bind correct 'hide' event handler

If a user defines a tooltip-trigger attribute, this ensures the correct event handlers is used to hide the tooltip.

Fixes a bug where if a user sets both a default trigger using the tooltip provider, and then tries to override with an attribute, the wrong 'hide' event was being used.

src/tooltip/test/tooltip.spec.js

@@ -493,6 +493,24 @@ describe( '$tooltipProvider', function() {
         elm.trigger('blur');
         expect( elmScope.tt_isOpen ).toBeFalsy();
       }));
+
+      it( 'should override the show and hide triggers if there is an attribute', inject( function ( $rootScope, $compile ) {
+        elmBody = angular.element(
+          '<div><input tooltip="tooltip text" tooltip-trigger="mouseenter"/></div>'
+        );
+
+        scope = $rootScope;
+        $compile(elmBody)(scope);
+        scope.$digest();
+        elm = elmBody.find('input');
+        elmScope = elm.scope();
+
+        expect( elmScope.tt_isOpen ).toBeFalsy();
+        elm.trigger('mouseenter');
+        expect( elmScope.tt_isOpen ).toBeTruthy();
+        elm.trigger('mouseleave');
+        expect( elmScope.tt_isOpen ).toBeFalsy();
+      }));
     });
 
     describe( 'triggers with a custom mapped value', function() {

src/tooltip/tooltip.js

@@ -82,16 +82,9 @@ angular.module( 'ui.bootstrap.tooltip', [ 'ui.bootstrap.position' ] )
        * undefined; otherwise, it uses the `triggerMap` value of the show
        * trigger; else it will just use the show trigger.
        */
-      function setTriggers ( trigger ) {
-        var show, hide;
-
-        show = trigger || options.trigger || defaultTriggerShow;
-        if ( angular.isDefined ( options.trigger ) ) {
-          hide = triggerMap[options.trigger] || show;
-        } else {
-          hide = triggerMap[show] || show;
-        }
-
+      function getTriggers ( trigger ) {
+        var show = trigger || options.trigger || defaultTriggerShow;
+        var hide = triggerMap[show] || show;
         return {
           show: show,
           hide: hide
@@ -121,7 +114,7 @@ angular.module( 'ui.bootstrap.tooltip', [ 'ui.bootstrap.position' ] )
           var popupTimeout;
           var $body;
           var appendToBody = angular.isDefined( options.appendToBody ) ? options.appendToBody : false;
-          var triggers = setTriggers( undefined );
+          var triggers = getTriggers( undefined );
           var hasRegisteredTriggers = false;
 
           // By default, the tooltip is not open.
@@ -283,7 +276,7 @@ angular.module( 'ui.bootstrap.tooltip', [ 'ui.bootstrap.position' ] )
               element.unbind( triggers.hide, hideTooltipBind );
             }
 
-            triggers = setTriggers( val );
+            triggers = getTriggers( val );
 
             if ( triggers.show === triggers.hide ) {
               element.bind( triggers.show, toggleTooltipBind );