(function() {
                                'use strict';
                            
                                // Default gutter value for toolbar positioning
                                var DEFAULT_GUTTER = {
                                    left: 0,
                                    top: 0
                                };
                            
                                /**
                                 * Centers a Toolbar according to given rectangle
                                 *
                                 * @method centerToolbar
                                 * @param {Object} toolbar The toolbar to be centered
                                 * @param {Object} rect The rectangle according to which the Toolbar will be centered
                                 */
                                var centerToolbar = function(toolbar, rect) {
                                    var toolbarNode = ReactDOM.findDOMNode(toolbar);
                            
                                    var halfNodeWidth = toolbarNode.offsetWidth / 2;
                                    var scrollPosition = new CKEDITOR.dom.window(window).getScrollPosition();
                            
                                    var gutter = toolbar.props.gutter || DEFAULT_GUTTER;
                            
                                    var widgetXY = toolbar.getWidgetXYPoint(rect.left + rect.width / 2 - scrollPosition.x, rect.top + scrollPosition.y, CKEDITOR.SELECTION_BOTTOM_TO_TOP);
                            
                                    toolbar.moveToPoint([
                                        widgetXY[0],
                                        widgetXY[1]
                                    ], [
                                        rect.left + rect.width / 2 - halfNodeWidth - scrollPosition.x,
                                        rect.top - toolbarNode.offsetHeight + scrollPosition.y - gutter.top
                                    ]);
                                };
                            
                                /**
                                 * Sets the position of a toolbar according to the position of the selected image
                                 *
                                 * @method imageSelectionSetPosition
                                 * @param {Object} payload Payload, should contain the selection data for retrieving the
                                 * client rectangle of the selected image
                                 * @return {Boolean} True, in all cases
                                 */
                                var imageSelectionSetPosition = function(payload) {
                                    centerToolbar(this, payload.selectionData.element.getClientRect());
                            
                                    return true;
                                };
                            
                                /**
                                 * Sets the position of a toolbar according to the position of the selected image
                                 *
                                 * @method tableSelectionSetPosition
                                 * @param {Object} payload Object, which contains the selection data for retrieving the
                                 * client rectangle of the selected table
                                 * @return {Boolean} True, in all cases
                                 */
                                var tableSelectionSetPosition = function(payload) {
                                    var nativeEditor = payload.editor.get('nativeEditor');
                            
                                    var table = new CKEDITOR.Table(nativeEditor).getFromSelection();
                            
                                    centerToolbar(this, table.getClientRect());
                            
                                    return true;
                                };
                            
                                AlloyEditor.SelectionSetPosition = {
                                    image: imageSelectionSetPosition,
                                    table: tableSelectionSetPosition
                                };
                            }());