locking.ckeditor.js

;(function(plugins) {
    'use strict';

    var CKEPlugin = (function () {
        function isDescendant(parent, child) {
             var node = child.parentNode;
             while (node !== null) {
                 if (node == parent) {
                     return true;
                 }
                 node = node.parentNode;
             }
             return false;
        }

        var toggleCKEditorReadonly = function(form, isReadOnly) {
            var toggleEditor = function(editor) {
                if (!isDescendant(form, editor.element.$)) {
                    return;
                }

                if (editor.status == 'ready' || editor.status == 'basic_ready') {
                    editor.setReadOnly(isReadOnly);
                } else {
                    editor.on('contentDom', function(e) {
                        e.editor.setReadOnly(isReadOnly);
                    });
                }
            };
            if (window.CKEDITOR !== undefined) {
                switch (CKEDITOR.status) {
                    case 'basic_ready':
                    case 'ready':
                    case 'loaded':
                    case 'basic_loaded':
                        for (var instanceId in CKEDITOR.instances) {
                            toggleEditor(CKEDITOR.instances[instanceId]);
                        }
                        break;
                    default:
                        CKEDITOR.on("instanceReady", function(e) {
                            toggleEditor(e.editor);
                        });
                        break;
                }
            }
        };
        return {
            'enable': function(form) { return toggleCKEditorReadonly(form, false); },
            'disable': function(form) { return toggleCKEditorReadonly(form, true); }
        };
    })();

    plugins.register(CKEPlugin);

})(window.locking.LockingFormPlugins);