feat(ngdocs): support popover, foldouts and foldover annotations

13 files changed, 636 insertions, 6 deletions

diff --git a/docs/component-spec/annotationsSpec.js b/docs/component-spec/annotationsSpec.js
new file mode 100644
index 00000000..b4c8cd9d
--- /dev/null
+++ b/docs/component-spec/annotationsSpec.js
@@ -0,0 +1,186 @@
+describe('Docs Annotations', function() {
+
+  beforeEach(module('docsApp'));
+
+  var body;
+  beforeEach(function() {
+    body = angular.element(document.body);
+    body.html('');
+  });
+
+  describe('popover directive', function() {
+
+    var $scope, element;
+    beforeEach(inject(function($rootScope, $compile) {
+      $scope = $rootScope.$new();
+      element = angular.element(
+        '<div style="margin:200px;" data-title="title_text" data-content="content_text" popover></div>'
+      );
+      element.attr('id','idx');
+      body.append(element);
+      $compile(element)($scope);
+      $scope.$apply();
+    }));
+
+    it('should be hidden by default', inject(function(popoverElement) {
+      expect(popoverElement.visible()).toBe(false);
+    }));
+
+    it('should capture the click event and set the title and content and position the tip', inject(function(popoverElement) {
+      element.triggerHandler('click');
+      expect(popoverElement.isSituatedAt(element)).toBe(true);
+      expect(popoverElement.visible()).toBe(true);
+      expect(popoverElement.title()).toBe('title_text');
+      expect(popoverElement.content()).toContain('content_text');
+      expect(popoverElement.besideElement.attr('id')).toBe('idx');
+    }));
+
+    it('should hide and clear the title and content if the same element is clicked again', inject(function(popoverElement) {
+      //show the element
+      element.triggerHandler('click');
+      expect(popoverElement.isSituatedAt(element)).toBe(true);
+
+      //hide the element
+      element.triggerHandler('click');
+      expect(popoverElement.isSituatedAt(element)).toBe(false);
+      expect(popoverElement.visible()).toBe(false);
+      expect(popoverElement.title()).toBe('');
+      expect(popoverElement.content()).toBe('');
+    }));
+
+    it('should parse markdown content', inject(function(popoverElement, $compile) {
+      element = angular.element(
+        '<div style="margin:200px;" data-title="#title_text" data-content="#heading" popover></div>'
+      );
+      body.append(element);
+      $compile(element)($scope);
+      $scope.$apply();
+      element.triggerHandler('click');
+      expect(popoverElement.title()).toBe('#title_text');
+      expect(popoverElement.content()).toBe('<h1 id="heading">heading</h1>');
+    }));
+
+  });
+
+
+  describe('foldout directive', function() {
+
+    var $scope, parent, element, url, window;
+    beforeEach(function() {
+      module(function($provide, $animationProvider) {
+        $provide.value('$window', window = angular.mock.createMockWindow());
+        $animationProvider.register('foldout-enter', function($window) {
+          return {
+            start : function(element, done) {
+              $window.setTimeout(done, 1000);
+            }
+          }
+        });
+        $animationProvider.register('foldout-hide', function($window) {
+          return {
+            start : function(element, done) {
+              $window.setTimeout(done, 500);
+            }
+          }
+        });
+        $animationProvider.register('foldout-show', function($window) {
+          return {
+            start : function(element, done) {
+              $window.setTimeout(done, 200);
+            }
+          }
+        });
+      });
+      inject(function($rootScope, $compile, $templateCache) {
+        url = '/page.html';
+        $scope = $rootScope.$new();
+        parent = angular.element('<div class="parent"></div>');
+        element = angular.element('<div data-url="' + url + '" foldout></div>');
+        body.append(parent);
+        parent.append(element);
+        $compile(parent)($scope);
+        $scope.$apply();
+      });
+    });
+
+    it('should inform that it is loading', inject(function($httpBackend) {
+      $httpBackend.expect('GET', url).respond('hello');
+      element.triggerHandler('click');
+
+      var kids = body.children();
+      var foldout = angular.element(kids[kids.length-1]);
+      expect(foldout.html()).toContain('loading');
+    }));
+
+    it('should download a foldout HTML page and animate the contents', inject(function($httpBackend) {
+      $httpBackend.expect('GET', url).respond('hello');
+
+      element.triggerHandler('click');
+      $httpBackend.flush();
+
+      window.setTimeout.expect(1).process();
+      window.setTimeout.expect(1000).process();
+
+      var kids = body.children();
+      var foldout = angular.element(kids[kids.length-1]);
+      expect(foldout.text()).toContain('hello');
+    }));
+
+    it('should hide then show when clicked again', inject(function($httpBackend) {
+      $httpBackend.expect('GET', url).respond('hello');
+
+      //enter
+      element.triggerHandler('click');
+      $httpBackend.flush();
+      window.setTimeout.expect(1).process();
+      window.setTimeout.expect(1000).process();
+
+      //hide
+      element.triggerHandler('click');
+      window.setTimeout.expect(1).process();
+      window.setTimeout.expect(500).process();
+
+      //show
+      element.triggerHandler('click');
+      window.setTimeout.expect(1).process();
+      window.setTimeout.expect(200).process();
+    }));
+
+  });
+
+  describe('DocsController fold', function() {
+
+    var window, $scope, ctrl;
+    beforeEach(function() {
+      module(function($provide, $animationProvider) {
+        $provide.value('$window', window = angular.mock.createMockWindow());
+      });
+      inject(function($rootScope, $controller, $location, $cookies, sections) {
+        $scope = $rootScope.$new();
+        ctrl = $controller('DocsController',{
+          $scope : $scope,
+          $location : $location,
+          $window : window,
+          $cookies : $cookies,
+          sections : sections
+        });
+      });
+    });
+
+    it('should download and reveal the foldover container', inject(function($compile, $httpBackend) {
+      var url = '/page.html';
+      var fullUrl = '/notes/' + url;
+      $httpBackend.expect('GET', fullUrl).respond('hello');
+
+      var element = angular.element('<div ng-include="docs_fold"></div>');
+      $compile(element)($scope);
+      $scope.$apply();
+
+      $scope.fold(url);
+
+      $httpBackend.flush();
+    }));
+
+  });
+
+});
diff --git a/docs/components/angular-bootstrap/bootstrap-prettify.js b/docs/components/angular-bootstrap/bootstrap-prettify.js
index f1c3fccb..dc2a34e2 100644
--- a/docs/components/angular-bootstrap/bootstrap-prettify.js
+++ b/docs/components/angular-bootstrap/bootstrap-prettify.js
@@ -96,9 +96,12 @@ directive.code = function() {
 directive.prettyprint = ['reindentCode', function(reindentCode) {
   return {
     restrict: 'C',
-    terminal: true,
     compile: function(element) {
-      element.html(window.prettyPrintOne(reindentCode(element.html()), undefined, true));
+      var html = element.html();
+      //ensure that angular won't compile {{ curly }} values
+      html = html.replace(/\{\{/g, '<span>{{</span>')
+                 .replace(/\}\}/g, '<span>}}</span>');
+      element.html(window.prettyPrintOne(reindentCode(html), undefined, true));
     }
   };
 }];
diff --git a/docs/components/angular-bootstrap/bootstrap.js b/docs/components/angular-bootstrap/bootstrap.js
index 3e1c8d00..3bcc18fa 100644
--- a/docs/components/angular-bootstrap/bootstrap.js
+++ b/docs/components/angular-bootstrap/bootstrap.js
@@ -198,6 +198,133 @@ directive.table = function() {
   };
 };
 
+var popoverElement = function() {
+  var object = {
+    init : function() {
+      this.element = angular.element(
+        '<div class="popover popover-incode top">' +
+          '<div class="arrow"></div>' +
+          '<div class="popover-inner">' +
+            '<div class="popover-title"><code></code></div>' +
+            '<div class="popover-content"></div>' +
+          '</div>' +
+        '</div>'
+      );
+      this.node = this.element[0];
+      this.element.css({
+        'display':'block',
+        'position':'absolute'
+      });
+      angular.element(document.body).append(this.element);
+
+      var inner = this.element.children()[1];
+      this.titleElement   = angular.element(inner.childNodes[0].firstChild);
+      this.contentElement = angular.element(inner.childNodes[1]);
+
+      //stop the click on the tooltip
+      this.element.bind('click', function(event) {
+        event.preventDefault();
+        event.stopPropagation();
+      });
+
+      var self = this;
+      angular.element(document.body).bind('click',function(event) {
+        if(self.visible()) self.hide();
+      });
+    },
+
+    show : function(x,y) {
+      this.element.addClass('visible');
+      this.position(x || 0, y || 0);
+    },
+
+    hide : function() {
+      this.element.removeClass('visible');
+      this.position(-9999,-9999);
+    },
+
+    visible : function() {
+      return this.position().y >= 0;
+    },
+
+    isSituatedAt : function(element) {
+      return this.besideElement ? element[0] == this.besideElement[0] : false;
+    },
+
+    title : function(value) {
+      return this.titleElement.html(value);
+    },
+
+    content : function(value) { 
+      if(value && value.length > 0) {
+        value = new Showdown.converter().makeHtml(value);
+      }
+      return this.contentElement.html(value);
+    },
+
+    positionArrow : function(position) {
+      this.node.className = 'popover ' + position;
+    },
+
+    positionAway : function() {
+      this.besideElement = null;
+      this.hide();
+    },
+
+    positionBeside : function(element) {
+      this.besideElement = element;
+
+      var elm = element[0];
+      var x = elm.offsetLeft;
+      var y = elm.offsetTop;
+      x -= 30;
+      y -= this.node.offsetHeight + 10;
+      this.show(x,y);
+    },
+
+    position : function(x,y) {
+      if(x != null && y != null) {
+        this.element.css('left',x + 'px');
+        this.element.css('top', y + 'px');
+      }
+      else {
+        return {
+          x : this.node.offsetLeft,
+          y : this.node.offsetTop
+        };
+      }
+    }
+  };
+
+  object.init();
+  object.hide();
+
+  return object;
+};
+
+directive.popover = ['popoverElement', function(popover) {
+  return {
+    restrict: 'A',
+    priority : 500,
+    link: function(scope, element, attrs) {
+      element.bind('click',function(event) {
+        event.preventDefault();
+        event.stopPropagation();
+        if(popover.isSituatedAt(element) && popover.visible()) {
+          popover.title('');
+          popover.content('');
+          popover.positionAway();
+        }
+        else {
+          popover.title(attrs.title);
+          popover.content(attrs.content);
+          popover.positionBeside(element);
+        }
+      });
+    }
+  }
+}];
+
 directive.tabPane = function() {
   return {
     require: '^tabbable',
@@ -208,5 +335,49 @@ directive.tabPane = function() {
   };
 };
 
+directive.foldout = ['$http', '$animator','$window', function($http, $animator, $window) {
+  return {
+    restrict: 'A',
+    priority : 500,
+    link: function(scope, element, attrs) {
+      var animator = $animator(scope, { ngAnimate: "'foldout'" });
+      var container, loading, url = attrs.url;
+      if(/\/build\//.test($window.location.href)) {
+        url = '/build/docs' + url;
+      }
+      element.bind('click',function() {
+        scope.$apply(function() {
+          if(!container) {
+            if(loading) return;
+
+            loading = true;
+            var par = element.parent();
+            container = angular.element('<div class="foldout">loading...</div>');
+            animator.enter(container, null, par);
+
+            $http.get(url, { cache : true }).success(function(html) {
+              loading = false;
+
+              html = '<div class="foldout-inner">' +
+                      '<div calss="foldout-arrow"></div>' +
+                      html +
+                     '</div>';
+              container.html(html);
+
+              //avoid showing the element if the user has already closed it
+              if(container.css('display') == 'block') {
+                container.css('display','none');
+                animator.show(container);
+              }
+            });
+          }
+          else {
+            container.css('display') == 'none' ? animator.show(container) : animator.hide(container);
+          }
+        });
+      });
+    }
+  }
+}];
 
-angular.module('bootstrap', []).directive(directive);
+angular.module('bootstrap', []).directive(directive).factory('popoverElement', popoverElement);
diff --git a/docs/content/notes/empty.tmp b/docs/content/notes/empty.tmp
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/docs/content/notes/empty.tmp
diff --git a/docs/spec/ngdocSpec.js b/docs/spec/ngdocSpec.js
index 9eed24ca..7a038e89 100644
--- a/docs/spec/ngdocSpec.js
+++ b/docs/spec/ngdocSpec.js
@@ -196,6 +196,28 @@ describe('ngdoc', function() {
     });
 
 
+    describe('inline annotations', function() {
+      it('should convert inline docs annotations into proper HTML', function() {
+        expect(new Doc().markdown(
+          "<pre>\n//!annotate supertext\n<br />\n</pre>"
+          )
+        ).toContain('data-popover data-content="supertext"')
+      });
+
+      it('should allow for a custom regular expression for matching', function() {
+        expect(new Doc().markdown(
+          "<pre>\n//!annotate=\"soon\" supertext\n<p>soon</p>\n</pre>"
+          )
+        ).toContain('data-popover data-content="supertext" data-title="Info">soon</div>')
+      });
+
+      it('should allow for a custom title to be set', function() {
+        expect(new Doc().markdown(
+          "<pre>\n//!annotate=\"soon\" coming soon|supertext\n<p>soon</p>\n</pre>"
+          )
+        ).toContain('data-popover data-content="supertext" data-title="coming soon">soon</div>')
+      });
+    });
   });
 
   describe('trim', function() {
diff --git a/docs/src/dom.js b/docs/src/dom.js
index 94048120..897a1831 100644
--- a/docs/src/dom.js
+++ b/docs/src/dom.js
@@ -8,7 +8,12 @@ exports.htmlEscape = htmlEscape;
 //////////////////////////////////////////////////////////
 
 function htmlEscape(text){
-  return text.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
+  return text
+          .replace(/&/g, '&amp;')
+          .replace(/</g, '&lt;')
+          .replace(/>/g, '&gt;')
+          .replace(/\{\{/g, '<span>{{</span>')
+          .replace(/\}\}/g, '<span>}}</span>');
 }
 
 
diff --git a/docs/src/gen-docs.js b/docs/src/gen-docs.js
index 4fd3d4f2..52d1f629 100755
--- a/docs/src/gen-docs.js
+++ b/docs/src/gen-docs.js
@@ -44,6 +44,7 @@ writer.makeDir('build/docs/', true).then(function() {
 function writeTheRest(writesFuture) {
   var metadata = ngdoc.metadata(docs);
 
+  writesFuture.push(writer.symlink('../../docs/content/notes', 'build/docs/notes', 'dir'));
   writesFuture.push(writer.symlinkTemplate('css', 'dir'));
   writesFuture.push(writer.symlink('../../docs/img', 'build/docs/img', 'dir'));
   writesFuture.push(writer.symlinkTemplate('js', 'dir'));
diff --git a/docs/src/ngdoc.js b/docs/src/ngdoc.js
index c34b8475..1870f87c 100644
--- a/docs/src/ngdoc.js
+++ b/docs/src/ngdoc.js
@@ -225,6 +225,44 @@ Doc.prototype = {
     text = text.replace(/(?:<p>)?(REPLACEME\d+)(?:<\/p>)?/g, function(_, id) {
       return placeholderMap[id];
     });
+
+    //!annotate CONTENT
+    //!annotate="REGEX" CONTENT
+    //!annotate="REGEX" TITLE|CONTENT
+    text = text.replace(/\n?\/\/!annotate\s*(?:=\s*['"](.+?)['"])?\s+(.+?)\n\s*(.+?\n)/img,
+      function(_, pattern, content, line) {
+        var pattern = new RegExp(pattern || '.+');
+        var title, text, split = content.split(/\|/);
+        if(split.length > 1) {
+          text = split[1];
+          title = split[0];
+        }
+        else {
+          title = 'Info';
+          text = content;
+        }
+        return "\n" + line.replace(pattern, function(match) {
+          return '<div class="nocode nocode-content" data-popover ' + 
+                   'data-content="' + text + '" ' + 
+                   'data-title="' + title + '">' +
+                      match +
+                 '</div>';
+        });
+      }
+    );
+
+    //!details /path/to/local/docs/file.html
+    //!details="REGEX" /path/to/local/docs/file.html
+    text = text.replace(/\/\/!details\s*(?:=\s*['"](.+?)['"])?\s+(.+?)\n\s*(.+?\n)/img,
+      function(_, pattern, url, line) {
+        url = '/notes/' + url;
+        var pattern = new RegExp(pattern || '.+');
+        return line.replace(pattern, function(match) {
+          return '<div class="nocode nocode-content" data-foldout data-url="' + url + '">' + match + '</div>';
+        });
+      }
+    );
+
     return text;
   },
 
diff --git a/docs/src/templates/css/animations.css b/docs/src/templates/css/animations.css
index d8c983a3..2d54bbfb 100644
--- a/docs/src/templates/css/animations.css
+++ b/docs/src/templates/css/animations.css
@@ -79,3 +79,26 @@
   -o-transition: color 0 ease-in; /* opera is special :) */
   transition: none;
 }
+
+.foldout-show, .foldout-enter, .foldout-hide {
+  -webkit-transition:0.3s cubic-bezier(0.250, 0.460, 0.450, 0.940) all;
+  -moz-transition:0.3s cubic-bezier(0.250, 0.460, 0.450, 0.940) all;
+  -o-transition:0.3s cubic-bezier(0.250, 0.460, 0.450, 0.940) all;
+  transition:0.3s cubic-bezier(0.250, 0.460, 0.450, 0.940) all;
+}
+
+.foldout-show, .foldout-enter {
+  opacity:0;
+}
+
+.foldout-show.foldout-show-active, .foldout-hide.foldout-hide-active {
+  opacity:1;
+}
+
+.foldout-hide {
+  opacity:1;
+}
+
+.foldout-hide.foldout-hide-active {
+  opacity:0;
+}
diff --git a/docs/src/templates/css/docs.css b/docs/src/templates/css/docs.css
index a98f7429..1b87c551 100644
--- a/docs/src/templates/css/docs.css
+++ b/docs/src/templates/css/docs.css
@@ -303,3 +303,162 @@ ul.events > li > h3 {
   top:0;
   right:0;
 }
+
+.nocode-content {
+  cursor:pointer;
+  display:inline-block;
+  -webkit-border-radius: 3px;
+  -moz-border-radius: 3px;
+  border-radius: 3px;
+
+  -webkit-transition:0.5s linear all;
+  -moz-transition:0.5s linear all;
+  -o-transition:0.5s linear all;
+  transition:0.5s linear all;
+  color: #223f7a;
+  background:#ddd;
+  border: 1px solid #ccc;
+}
+
+.nocode-content:hover {
+  background-color: #99c2ff;
+  border: 1px solid #e1e1e8;
+}
+
+.popover-incode .popover-inner {
+  width:auto;
+  min-width:200px;
+  max-width:500px;
+}
+
+.popover-incode {
+  -webkit-transition:0.2s linear opacity;
+  -moz-transition:0.2s linear opacity;
+  -o-transition:0.2s linear opacity;
+  transition:0.2s linear opacity;
+  opacity:0;
+}
+
+.popover-incode.visible {
+  opacity:1;
+}
+
+.popover-incode code, 
+.popover-incode pre {
+  white-space:nowrap;
+}
+
+.popover-incode .arrow {
+  left:50px!important;
+}
+
+.foldover-content {
+  display:none;
+}
+
+.foldout:after {
+  content:"";
+  position:absolute;
+  left:50%;
+  top:-1px;
+  margin-left:-10px;
+  border-width:10px;
+  border-style:solid;
+  border-color:#f7f7f9 transparent transparent;
+}
+
+.foldout:before {
+  content:"";
+  position:absolute;
+  left:50%;
+  top:0px;
+  margin-left:-10px;
+  border-width:10px;
+  border-style:solid;
+  border-color:#bbb transparent transparent;
+}
+
+.foldout {
+  padding:8px 15px 5px;
+  position:relative;
+  background:#eee;
+  white-space:normal;
+  box-shadow:inset 0 0 20px #ccc;
+  border-top:1px solid #bbb;
+}
+
+.prettyprint {
+  padding-right:0!important;
+  padding-bottom:0!important;
+}
+
+pre ol li {
+  padding-bottom:2px;
+  padding-right:5px;
+}
+
+#docs-fold {
+  position:absolute;
+  top:0;
+  right:0;
+  width:500px;
+  min-height:100%;
+  padding-top:50px;
+  padding:50px 20px 20px 20px;
+  background:white;
+  border-left:1px solid #999;
+  box-shadow:0 0 10px #555;
+  z-index:1002;
+}
+
+#docs-fold.fold-show {
+  -webkit-transition:0.4s cubic-bezier(0.250, 0.460, 0.450, 0.940) all;
+  -moz-transition:0.4s cubic-bezier(0.250, 0.460, 0.450, 0.940) all;
+  -o-transition:0.4s cubic-bezier(0.250, 0.460, 0.450, 0.940) all;
+  transition:0.4s cubic-bezier(0.250, 0.460, 0.450, 0.940) all;
+}
+
+#docs-fold.fold-show {
+  right:-200px;
+  opacity:0;
+}
+
+#docs-fold.fold-show.fold-show-active {
+  right:0;
+  opacity:1;
+}
+
+#docs-fold-overlay {
+  background:rgba(255,255,255,0.5);
+  position:fixed;
+  left:0;
+  bottom:0;
+  right:0;
+  top:0;
+  z-index:1001;
+  cursor:pointer;
+}
+
+.fixed_body {
+  position:fixed;
+  top:0;
+  z-index:1000;
+  left:0;
+  right:0;
+}
+
+#docs-fold-close {
+  z-index: 1029;
+  position: absolute;
+  left: -30px;
+  top: 60px;
+  cursor:pointer;
+  text-align: center;
+  width:50px;
+  line-height:50px;
+  font-size: 2em;
+  background: #fff;
+  box-shadow:-6px 0 5px #555;
+  display:block;
+  border-radius:10px;
+}
diff --git a/docs/src/templates/index.html b/docs/src/templates/index.html
index 3b75207e..8e2fbc37 100644
--- a/docs/src/templates/index.html
+++ b/docs/src/templates/index.html
@@ -198,6 +198,15 @@
     </div>
   </header>
 
+ <div id="docs-fold-overlay" ng-show="docs_fold" ng-click="fold(null)"></div>
+ <div id="docs-fold" ng-show="docs_fold" ng-animate="'fold'">
+   <div id="docs-fold-close" ng-click="fold(null)">
+     <span class="icon-remove-sign"></span>
+   </div>
+   <div ng-include="docs_fold"></div>
+ </div>
+
+<div ng-class="{fixed_body:docs_fold}">
   <div role="main" class="container">
     <div class="row clear-navbar"></div>
 
@@ -359,6 +368,7 @@
       </p>
     </div>
   </footer>
+</div>
 
 </body>
 </html>
diff --git a/docs/src/templates/js/docs.js b/docs/src/templates/js/docs.js
index 63ad31f4..97fea067 100644
--- a/docs/src/templates/js/docs.js
+++ b/docs/src/templates/js/docs.js
@@ -411,6 +411,18 @@ docsApp.serviceFactory.sections = function sections() {
 
 
 docsApp.controller.DocsController = function($scope, $location, $window, $cookies, sections) {
+  $scope.fold = function(url) {
+    if(url) {
+      $scope.docs_fold = '/notes/' + url;
+      if(/\/build/.test($window.location.href)) {
+        $scope.docs_fold = '/build/docs' + $scope.docs_fold;
+      }
+      window.scrollTo(0,0);
+    }
+    else {
+      $scope.docs_fold = null;
+    }
+  };
   var OFFLINE_COOKIE_NAME = 'ng-offline',
       DOCS_PATH = /^\/(api)|(guide)|(cookbook)|(misc)|(tutorial)/,
       INDEX_PATH = /^(\/|\/index[^\.]*.html)$/,
diff --git a/src/ng/animator.js b/src/ng/animator.js
index d8495f2d..5ad0535f 100644
--- a/src/ng/animator.js
+++ b/src/ng/animator.js
@@ -33,11 +33,11 @@
  * <ANY ng-directive ng-animate="{event1: 'animation-name', event2: 'animation-name-2'}"></ANY>
  *
  * <!-- you can also use a short hand -->
+ * //!annotate="animation" ngAnimate|This *expands* to `{ enter: 'animation-enter', leave: 'animation-leave', ...}`</strong>
  * <ANY ng-directive ng-animate=" 'animation' "></ANY>
- * <!-- which expands to -->
- * <ANY ng-directive ng-animate="{ enter: 'animation-enter', leave: 'animation-leave', ...}"></ANY>
  *
  * <!-- keep in mind that ng-animate can take expressions -->
+ * //!annotate="computeCurrentAnimation\(\)" Scope Function|This will be called each time the scope changes...
  * <ANY ng-directive ng-animate=" computeCurrentAnimation() "></ANY>
  * </pre>
  *