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/*
* Better Select Multiple Sortable Plugin
*
* Copyright (c) 2010-2012 by Victor Berchet - http://www.github.com/vicb
*
* Dual licensed under the MIT (MIT-LICENSE.txt) and GPL (GPL-LICENSE.txt) licenses.
*
* version: v1.4.4 - 2012-01-19
*/
(function($) {
$.bsmSelect.plugins.sortable = function(sortConfig, options)
{
if (!(this instanceof $.bsmSelect.plugins.sortable)) {
return new $.bsmSelect.plugins.sortable(sortConfig, options);
}
this.sortConfig = sortConfig;
this.options = $.extend({}, this.defaultOpt, options || {});
}
$.extend($.bsmSelect.plugins.sortable.prototype, {
defaultOpt: {
listSortableClass: 'bsmListSortable'
},
init: function(bsm) {
var o = $.extend({}, this.options, bsm.options),
config = $.extend({}, this.sortConfig, { items: '.' + o.listItemClass }),
self = this;
bsm.$list.addClass(o.listSortableClass).sortable(config);
// Fix a bug when the 'html' element has an overflow set to either 'scroll' or 'auto' on FF.
// See issue #21 (https://github.com/vicb/bsmSelect/issues/21)
if ($.inArray($('html').css('overflow-x'), ['auto', 'scroll']) > -1 || $.inArray($('html').css('overflow-y'), ['auto', 'scroll']) > -1) {
$('.' + o.listSortableClass).addClass('bsmScrollWorkaround');
}
bsm.$original.bind('change', function(e, info) { self.onChange.call(self, bsm, e, info); } );
bsm.$list.bind('sortupdate', function(e, ui) { self.onSort.call(self, bsm, e, ui); } );
},
onChange: function(bsm, e, info) {
if (info && info.type === 'add' && !bsm.buildingSelect) {
info.option.detach()[bsm.options.addItemTarget === 'top' ? 'prependTo' : 'appendTo'](bsm.$original);
bsm.$list.sortable('refresh');
}
},
onSort: function(bsm, e, ui) {
$('.' + bsm.options.listItemClass, bsm.$list).each(function() {
$(this).data('bsm-option').data('orig-option').detach().appendTo(bsm.$original);
});
bsm.triggerOriginalChange($(ui.item).data('bsm-option').data('orig-option'), 'sort');
}
});
})(jQuery);
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