refactor(mail(js)): replace ckEditor directive by sgCkeditor component

This refactoring

 1. simplifies updating the CKEditor source code;
 2. allows many instances of the CKEditor on the same page;
 3. fixes the cursor positioning on focus.

UI/WebServerResources/js/vendor/ckeditor/ck.js

@@ -1,132 +0,0 @@
-/* -*- Mode: javascript; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* JavaScript for CKEditor module */
-
-(function() {
-  'use strict';
-
-  ckEditor.$inject = ['$parse'];
-  function ckEditor($parse) {
-    var calledEarly, loaded;
-    loaded = false;
-    calledEarly = false;
-
-    return {
-      restrict: 'C',
-      require: '?ngModel',
-      compile: function(element, attributes, transclude) {
-        var loadIt, local;
-
-        local = this;
-        loadIt = function() {
-          return calledEarly = true;
-        };
-
-        element.ready(function() {
-          return loadIt();
-        });
-
-        return {
-          post: function($scope, element, attributes, controller) {
-            if (calledEarly) {
-              return local.link($scope, element, attributes, controller);
-            }
-            loadIt = (function($scope, element, attributes, controller) {
-              return function() {
-                local.link($scope, element, attributes, controller);
-              };
-            })($scope, element, attributes, controller);
-          }
-        };
-      },
-
-      link: function($scope, elm, attr, ngModel) {
-        var ck, options = {}, locale, margin;
-        if (!ngModel) {
-          return;
-        }
-
-        if (calledEarly && !loaded) {
-          return loaded = true;
-        }
-        loaded = false;
-
-        if (attr.ckOptions)
-          options = angular.fromJson(attr.ckOptions.replace(/'/g, "\""));
-
-        if (attr.ckLocale) {
-          locale = $parse(attr.ckLocale)($scope);
-          options.language = locale;
-
-          // Pickup the first matching language supported by SCAYT
-          // See http://docs.ckeditor.com/#!/guide/dev_howtos_scayt
-          options.scayt_sLang = _.find(['en_US', 'en_GB', 'pt_BR', 'da_DK', 'nl_NL', 'en_CA', 'fi_FI', 'fr_FR', 'fr_CA', 'de_DE', 'el_GR', 'it_IT', 'nb_NO', 'pt_PT', 'es_ES', 'sv_SE'], function(sLang) {
-            return sLang.lastIndexOf(locale, 0) == 0;
-          }) || 'en_US';
-
-          // Disable caching of the language
-          // See https://github.com/WebSpellChecker/ckeditor-plugin-scayt/issues/126
-          options.scayt_disableOptionsStorage = 'lang';
-        }
-
-        if (attr.ckMargin) {
-          // Set the margin of the iframe editable content
-          margin = attr.ckMargin;
-          CKEDITOR.addCss('.cke_editable { margin-top: ' + margin +
-                          '; margin-left: ' + margin +
-                          '; margin-right: ' + margin + '; }');
-        }
-
-        // The Upload Image plugin requires a remote URL to be defined even though we won't use it
-        options.imageUploadUrl = '/SOGo/';
-
-        ck = CKEDITOR.replace(elm[0], options);
-
-        if (attr.mdAutofocus && $parse(attr.mdAutofocus)($scope)) {
-          // Autofocus is enabled
-          ck.on('instanceReady', function(event) {
-            ck.focus();
-          });
-          ck.on('focus', function(event) {
-            if (attr.ckFocus) {
-              $parse(attr.ckFocus)($scope, {'$event': event});
-            }
-          });
-        }
-
-        // Update the model whenever the content changes
-        ck.on('change', function() {
-          $scope.$apply(function() {
-            ngModel.$setViewValue(ck.getData());
-          });
-        });
-
-        ck.on('paste', function(event) {
-          var html;
-          if (event.data.type == 'html') {
-            html = event.data.dataValue;
-            // Remove images to avoid ghost image in Firefox; images will be handled by the Image Upload plugin
-            event.data.dataValue = html.replace(/<img( [^>]*)?>/gi, '');
-          }
-        });
-
-        // Intercept the request when an image is pasted, keep an inline base64 version only.
-        ck.on('fileUploadRequest', function(event) {
-          var data, img;
-          data = event.data.fileLoader.data;
-          img = ck.document.createElement('img');
-          img.setAttribute('src', data);
-          ck.insertElement(img);
-          event.cancel();
-        });
-
-        ngModel.$render = function(value) {
-          ck.setData(ngModel.$viewValue);
-        };
-      }
-    };
-  }
-
-  angular
-    .module('ck', [])
-    .directive('ckEditor', ckEditor);
-})();