editor/js/editor-tab.js

/**
 * Handles tab and shift-tab indent/outdent support.
 * @class Plugin.EditorTab
 * @constructor
 * @extends Base
 * @module editor
 * @submodule editor-tab
 */

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;