/**
                                 * Handles list manipulation inside the Editor. Adds keyboard manipulation and execCommand support.
                                 * Adds overrides for the <a href="Plugin.ExecCommand.html#method_COMMANDS.insertorderedlist">insertorderedlist</a>
                                 * and <a href="Plugin.ExecCommand.html#method_COMMANDS.insertunorderedlist">insertunorderedlist</a> execCommands.
                                 * @class Plugin.EditorLists
                                 * @constructor
                                 * @extends Base
                                 * @module editor
                                 * @submodule editor-lists
                                 */
                            
                                var EditorLists = function() {
                                    EditorLists.superclass.constructor.apply(this, arguments);
                                }, LI = 'li', OL = 'ol', UL = 'ul', HOST = 'host';
                            
                                Y.extend(EditorLists, Y.Base, {
                                    /**
                                    * Listener for host's nodeChange event and captures the tabkey interaction only when inside a list node.
                                    * @private
                                    * @method _onNodeChange
                                    * @param {Event} e The Event facade passed from the host.
                                    */
                                    _onNodeChange: function(e) {
                                        var inst = this.get(HOST).getInstance(), li,
                                            newList, sTab, par, moved = false, tag, focusEnd = false;
                            
                                        if (e.changedType === 'tab') {
                                            if (e.changedNode.test(LI + ', ' + LI + ' *')) {
                                                Y.log('Overriding TAB to move lists around', 'info', 'editorLists');
                                                e.changedEvent.halt();
                                                e.preventDefault();
                                                li = e.changedNode;
                                                sTab = e.changedEvent.shiftKey;
                                                par = li.ancestor(OL + ',' + UL);
                                                tag = UL;
                            
                                                if (par.get('tagName').toLowerCase() === OL) {
                                                    tag = OL;
                                                }
                                                Y.log('ShiftKey: ' + sTab, 'info', 'editorLists');
                            
                                                if (!li.test(LI)) {
                                                    li = li.ancestor(LI);
                                                }
                                                if (sTab) {
                                                    if (li.ancestor(LI)) {
                                                        Y.log('Shifting list up one level', 'info', 'editorLists');
                                                        li.ancestor(LI).insert(li, 'after');
                                                        moved = true;
                                                        focusEnd = true;
                                                    }
                                                } else {
                                                    //li.setStyle('border', '1px solid red');
                                                    if (li.previous(LI)) {
                                                        Y.log('Shifting list down one level', 'info', 'editorLists');
                                                        newList = inst.Node.create('<' + tag + '></' + tag + '>');
                                                        li.previous(LI).append(newList);
                                                        newList.append(li);
                                                        moved = true;
                                                    }
                                                }
                                            }
                                            if (moved) {
                                                if (!li.test(LI)) {
                                                    li = li.ancestor(LI);
                                                }
                                                li.all(EditorLists.REMOVE).remove();
                                                if (Y.UA.ie) {
                                                    li = li.append(EditorLists.NON).one(EditorLists.NON_SEL);
                                                }
                                                //Selection here..
                                                Y.log('Selecting the new node', 'info', 'editorLists');
                                                (new inst.EditorSelection()).selectNode(li, true, focusEnd);
                                            }
                                        }
                                    },
                                    initializer: function() {
                                        this.get(HOST).on('nodeChange', Y.bind(this._onNodeChange, this));
                                    }
                                }, {
                                    /**
                                    * The non element placeholder, used for positioning the cursor and filling empty items
                                    * @property NON
                                    * @static
                                    */
                                    NON: '<span class="yui-non">&nbsp;</span>',
                                    /**
                                    * The selector query to get all non elements
                                    * @property NONSEL
                                    * @static
                                    */
                                    NON_SEL: 'span.yui-non',
                                    /**
                                    * The items to removed from a list when a list item is moved, currently removes BR nodes
                                    * @property REMOVE
                                    * @static
                                    */
                                    REMOVE: 'br',
                                    /**
                                    * editorLists
                                    * @property NAME
                                    * @static
                                    */
                                    NAME: 'editorLists',
                                    /**
                                    * lists
                                    * @property NS
                                    * @static
                                    */
                                    NS: 'lists',
                                    ATTRS: {
                                        host: {
                                            value: false
                                        }
                                    }
                                });
                            
                                Y.namespace('Plugin');
                            
                                Y.Plugin.EditorLists = EditorLists;