# Yahoo! UI Library

### editor 3.3.0

Yahoo! UI Library > editor > editor-tab.js (source view)
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        /**
         * Handles tab and shift-tab indent/outdent support.
         * @module editor
         * @submodule editor-tab
         */
        /**
         * Handles tab and shift-tab indent/outdent support.
         * @class Plugin.EditorTab
         * @constructor
         * @extends Base
         */

        var EditorTab = function() {
            EditorTab.superclass.constructor.apply(this, arguments);
        }, HOST = 'host';

        Y.extend(EditorTab, Y.Base, {
            /**
            * Listener for host's nodeChange event and captures the tabkey interaction.
            * @private
            * @method _onNodeChange
            * @param {Event} e The Event facade passed from the host.
            */
            _onNodeChange: function(e) {
                var action = 'indent';

                if (e.changedType === 'tab') {
                    if (!e.changedNode.test('li, li *')) {
                        e.changedEvent.halt();
                        e.preventDefault();
                        if (e.changedEvent.shiftKey) {
                            action = 'outdent';
                        }

                        Y.log('Overriding TAB to ' + action, 'info', 'editorTab');
                        this.get(HOST).execCommand(action, '');
                    }
                }
            },
            initializer: function() {
                this.get(HOST).on('nodeChange', Y.bind(this._onNodeChange, this));
            }
        }, {
            /**
            * editorTab
            * @property NAME
            * @static
            */
            NAME: 'editorTab',
            /**
            * tab
            * @property NS
            * @static
            */
            NS: 'tab',
            ATTRS: {
                host: {
                    value: false
                }
            }
        });

        Y.namespace('Plugin');

        Y.Plugin.EditorTab = EditorTab;

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