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YUI.add('sortable-scroll', function (Y, NAME) {
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    /**
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     * Plugin for sortable to handle scrolling lists.
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     * @module sortable
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     * @submodule sortable-scroll
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     */
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    /**
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     * Plugin for sortable to handle scrolling lists.
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     * @class SortScroll
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     * @extends Base
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     * @constructor
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     * @namespace Plugin
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     */
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    var SortScroll = function() {
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        SortScroll.superclass.constructor.apply(this, arguments);
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    };
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    Y.extend(SortScroll, Y.Base, {
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        initializer: function() {
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            var host = this.get('host');
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            host.plug(Y.Plugin.DDNodeScroll, {
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                node: host.get('container')
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            });
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            host.delegate.on('drop:over', function(e) {
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                if (this.dd.nodescroll && e.drag.nodescroll) {
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                    e.drag.nodescroll.set('parentScroll', Y.one(this.get('container')));
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                }
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            });
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        }
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    }, {
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        ATTRS: {
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            host: {
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                value: ''
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            }
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        },
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        /**
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        * @property NAME
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        * @default SortScroll
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        * @readonly
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        * @protected
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        * @static
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        * @description The name of the class.
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        * @type {String}
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        */
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        NAME: 'SortScroll',
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        /**
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        * @property NS
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        * @default scroll
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        * @readonly
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        * @protected
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        * @static
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        * @description The scroll instance.
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        * @type {String}
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        */
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        NS: 'scroll'
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    });
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    Y.namespace('Y.Plugin');
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    Y.Plugin.SortableScroll = SortScroll;
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}, '3.18.1', {"requires": ["dd-scroll", "sortable"]});