feat(tooltip): hide tooltip when esc is hit

- Hide tooltip when `esc` is hit for accessibility

Closes #4367
Resolves #4248

src/modal/modal.js

@@ -1,59 +1,4 @@
-angular.module('ui.bootstrap.modal', [])
-
-/**
- * A helper, internal data structure that acts as a map but also allows getting / removing
- * elements in the LIFO order
- */
-  .factory('$$stackedMap', function() {
-    return {
-      createNew: function() {
-        var stack = [];
-
-        return {
-          add: function(key, value) {
-            stack.push({
-              key: key,
-              value: value
-            });
-          },
-          get: function(key) {
-            for (var i = 0; i < stack.length; i++) {
-              if (key == stack[i].key) {
-                return stack[i];
-              }
-            }
-          },
-          keys: function() {
-            var keys = [];
-            for (var i = 0; i < stack.length; i++) {
-              keys.push(stack[i].key);
-            }
-            return keys;
-          },
-          top: function() {
-            return stack[stack.length - 1];
-          },
-          remove: function(key) {
-            var idx = -1;
-            for (var i = 0; i < stack.length; i++) {
-              if (key == stack[i].key) {
-                idx = i;
-                break;
-              }
-            }
-            return stack.splice(idx, 1)[0];
-          },
-          removeTop: function() {
-            return stack.splice(stack.length - 1, 1)[0];
-          },
-          length: function() {
-            return stack.length;
-          }
-        };
-      }
-    };
-  })
-
+angular.module('ui.bootstrap.modal', ['ui.bootstrap.stackedMap'])
 /**
  * A helper, internal data structure that stores all references attached to key
  */

src/stackedMap/stackedMap.js

@@ -0,0 +1,54 @@
+angular.module('ui.bootstrap.stackedMap', [])
+/**
+ * A helper, internal data structure that acts as a map but also allows getting / removing
+ * elements in the LIFO order
+ */
+  .factory('$$stackedMap', function() {
+    return {
+      createNew: function() {
+        var stack = [];
+
+        return {
+          add: function(key, value) {
+            stack.push({
+              key: key,
+              value: value
+            });
+          },
+          get: function(key) {
+            for (var i = 0; i < stack.length; i++) {
+              if (key == stack[i].key) {
+                return stack[i];
+              }
+            }
+          },
+          keys: function() {
+            var keys = [];
+            for (var i = 0; i < stack.length; i++) {
+              keys.push(stack[i].key);
+            }
+            return keys;
+          },
+          top: function() {
+            return stack[stack.length - 1];
+          },
+          remove: function(key) {
+            var idx = -1;
+            for (var i = 0; i < stack.length; i++) {
+              if (key == stack[i].key) {
+                idx = i;
+                break;
+              }
+            }
+            return stack.splice(idx, 1)[0];
+          },
+          removeTop: function() {
+            return stack.splice(stack.length - 1, 1)[0];
+          },
+          length: function() {
+            return stack.length;
+          }
+        };
+      }
+    };
+  });

src/modal/test/stackedMap.spec.js → src/stackedMap/test/stackedMap.spec.js

@@ -49,4 +49,4 @@ describe('stacked map', function() {
   it('should ignore removal of non-existing elements', function() {
     expect(stackedMap.remove('non-existing')).toBeUndefined();
   });
-});
+});

src/tooltip/test/tooltip.spec.js

@@ -3,19 +3,21 @@ describe('tooltip', function() {
       elmBody,
       scope,
       elmScope,
-      tooltipScope;
+      tooltipScope,
+      $document;
 
   // load the tooltip code
   beforeEach(module('ui.bootstrap.tooltip'));
 
   // load the template
   beforeEach(module('template/tooltip/tooltip-popup.html'));
 
-  beforeEach(inject(function($rootScope, $compile) {
+  beforeEach(inject(function($rootScope, $compile, _$document_) {
     elmBody = angular.element(
       '<div><span tooltip="tooltip text" tooltip-animation="false">Selector Text</span></div>'
     );
 
+    $document = _$document_;
     scope = $rootScope;
     $compile(elmBody)(scope);
     scope.$digest();
@@ -319,6 +321,41 @@ describe('tooltip', function() {
 
       expect(tooltipScope.isOpen).toBe(true);
     });
+
+    it('should close the tooltips in order', inject(function($compile) {
+      var elm2 = $compile('<div><span tooltip="tooltip #2" tooltip-is-open="isOpen2">Selector Text</span></div>')(scope);
+      scope.$digest();
+      elm2 = elm2.find('span');
+      var tooltipScope2 = elm2.scope().$$childTail;
+      tooltipScope2.isOpen = false;
+      scope.$digest();
+
+      trigger(elm, 'mouseenter');
+      $timeout.flush();
+      expect(tooltipScope.isOpen).toBe(true);
+      expect(tooltipScope2.isOpen).toBe(false);
+
+      trigger(elm2, 'mouseenter');
+      $timeout.flush();
+      expect(tooltipScope.isOpen).toBe(true);
+      expect(tooltipScope2.isOpen).toBe(true);
+
+      var evt = $.Event('keypress');
+      evt.which = 27;
+
+      $document.trigger(evt);
+
+      expect(tooltipScope.isOpen).toBe(true);
+      expect(tooltipScope2.isOpen).toBe(false);
+
+      var evt2 = $.Event('keypress');
+      evt2.which = 27;
+
+      $document.trigger(evt2);
+
+      expect(tooltipScope.isOpen).toBe(false);
+      expect(tooltipScope2.isOpen).toBe(false);
+    }));
   });
 
   describe('with an is-open attribute', function() {

src/tooltip/tooltip.js

@@ -3,7 +3,7 @@
  * function, placement as a function, inside, support for more triggers than
  * just mouse enter/leave, html tooltips, and selector delegation.
  */
-angular.module('ui.bootstrap.tooltip', ['ui.bootstrap.position'])
+angular.module('ui.bootstrap.tooltip', ['ui.bootstrap.position', 'ui.bootstrap.stackedMap'])
 
 /**
  * The $tooltip service creates tooltip- and popover-like directives as well as
@@ -66,7 +66,19 @@ angular.module('ui.bootstrap.tooltip', ['ui.bootstrap.position'])
    * Returns the actual instance of the $tooltip service.
    * TODO support multiple triggers
    */
-  this.$get = ['$window', '$compile', '$timeout', '$document', '$position', '$interpolate', '$rootScope', '$parse', function($window, $compile, $timeout, $document, $position, $interpolate, $rootScope, $parse) {
+  this.$get = ['$window', '$compile', '$timeout', '$document', '$position', '$interpolate', '$rootScope', '$parse', '$$stackedMap', function($window, $compile, $timeout, $document, $position, $interpolate, $rootScope, $parse, $$stackedMap) {
+    var openedTooltips = $$stackedMap.createNew();
+    $document.on('keypress', function(e) {
+      if (e.which === 27) {
+        var last = openedTooltips.top();
+        if (last) {
+          last.value.close();
+          openedTooltips.removeTop();
+          last = null;
+        }
+      }
+    });
+
     return function $tooltip(type, prefix, defaultTriggerShow, options) {
       options = angular.extend({}, defaultOptions, globalOptions, options);
 
@@ -166,6 +178,9 @@ angular.module('ui.bootstrap.tooltip', ['ui.bootstrap.position'])
             // By default, the tooltip is not open.
             // TODO add ability to start tooltip opened
             ttScope.isOpen = false;
+            openedTooltips.add(ttScope, {
+              close: hideTooltipBind
+            });
 
             function toggleTooltipBind() {
               if (!ttScope.isOpen) {
@@ -413,6 +428,12 @@ angular.module('ui.bootstrap.tooltip', ['ui.bootstrap.position'])
                       element[0].addEventListener(trigger, hideTooltipBind);
                     });
                   }
+
+                  element.on('keypress', function(e) {
+                    if (e.which === 27) {
+                      hideTooltipBind();
+                    }
+                  });
                 });
               }
             }