# Yahoo! UI Library

### sortable 3.3.0

Yahoo! UI Library > sortable > sortable-scroll.js (source view)
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        /**
         * Plugin for sortable to handle scrolling lists.
         * @module sortable
         * @submodule sortable-scroll
         */
        /**
         * Plugin for sortable to handle scrolling lists.
         * @class SortScroll
         * @extends Base
         * @constructor
         * @namespace Plugin
         */

        var SortScroll = function() {
            SortScroll.superclass.constructor.apply(this, arguments);
        };

        Y.extend(SortScroll, Y.Base, {
            initializer: function() {
                var host = this.get('host');
                host.plug(Y.Plugin.DDNodeScroll, {
                    node: host.get('container')
                });
                host.delegate.on('drop:over', function(e) {
                    if (this.dd.nodescroll && e.drag.nodescroll) {
                        e.drag.nodescroll.set('parentScroll', Y.one(this.get('container')));
                    }
                });
            }
        }, {
            ATTRS: {
                host: {
                    value: ''
                }
            },
            /**
            * @property NAME
            * @default SortScroll
            * @readonly
            * @protected
            * @static
            * @description The name of the class.
            * @type {String}
            */
            NAME: 'SortScroll',
            /**
            * @property NS
            * @default scroll
            * @readonly
            * @protected
            * @static
            * @description The scroll instance.
            * @type {String}
            */
            NS: 'scroll'
        });

        Y.namespace('Y.Plugin');
        Y.Plugin.SortableScroll = SortScroll;

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