Add custom trigger property for $tooltip provider

src/tooltip/tooltip.js

@@ -63,6 +63,14 @@ angular.module( 'ui.bootstrap.tooltip', [] )
           '>'+
         '</'+ directiveName +'-popup>';
 
+      var hideTriggerDefaults = {
+        'click': 'click',
+        'hover': 'hover',
+        'focus': 'focus',
+        'focusin': 'focusout',
+        'mouseenter': 'mouseleave'
+      };
+
       // Calculate the current position and size of the directive element.
       function getPosition( element ) {
         var boundingClientRect = element[0].getBoundingClientRect();
@@ -211,23 +219,45 @@ angular.module( 'ui.bootstrap.tooltip', [] )
 
           // Register the event listeners. If only one event listener was
           // supplied, we use the same event listener for showing and hiding.
-          // TODO add ability to customize event triggers
-          if ( ! angular.isDefined( defaultTriggerHide ) ) {
-            element.bind( defaultTriggerShow, function toggleTooltipBind () {
-              if ( ! scope.tt_isOpen ) {
-                showWithDelay();
+          var tt_triggerShow, tt_triggerHide;
+
+          attrs.$observe( type+'TriggerShow', function ( val ) {
+            if ( angular.isDefined( val ) ) {
+              tt_triggerShow = val;
+            } else if ( angular.isDefined( options.triggerShow ) ) {
+              tt_triggerShow = options.triggerShow;
+            } else {
+              tt_triggerShow = defaultTriggerShow;
+            }
+
+            attrs.$observe( type+'TriggerHide', function ( val ) {
+              if ( angular.isDefined( val ) ) {
+                tt_triggerHide = val;
+              } else if ( angular.isDefined( options.triggerHide ) ) {
+                tt_triggerHide = options.triggerHide;
               } else {
-                scope.$apply( hide );
+                tt_triggerHide = hideTriggerDefaults[tt_triggerShow] || defaultTriggerHide;
+              }
+
+              if ( tt_triggerShow === tt_triggerHide ) {
+                element.bind( tt_triggerShow, function toggleTooltipBind () {
+                  if ( ! scope.tt_isOpen ) {
+                    showWithDelay();
+                  } else {
+                    scope.$apply( hide );
+                  }
+                });
+              } else {
+                element.bind( tt_triggerShow, function showTooltipBind () {
+                  showWithDelay();
+                });
+
+                element.bind( tt_triggerHide, function hideTooltipBind () {
+                  scope.$apply( hide );
+                });
               }
             });
-          } else {
-            element.bind( defaultTriggerShow, function showTooltipBind() {
-              showWithDelay();
-            });
-            element.bind( defaultTriggerHide, function hideTooltipBind() {
-              scope.$apply( hide );
-            });
-          }
+          });
         }
       };
     };