/**
* jQuery.DragCheck - Click-and-drag over checkboxes to change their state.
* Copyright (c) 2013 Seph Soliman - scarlac(at)gmail(dot)com | http://seph.dk
* @author Seph Soliman
* @version 1.2
*
* https://github.com/scarlac/jquery-drag-check
*/
(function($){var dragCheckClass=function(el,opts){this.dragCheck_state=this.dragCheck_state||null;this.dragCheck_origin=this.dragCheck_origin||null;this.dragCheck_items=this.dragCheck_items||[];this.dragCheck_triggerOnDragEnd=this.dragCheck_triggerOnDragEnd||false;this.opts=opts;this.dragEnd=function(){if(this.dragCheck_state!==null&&this.dragCheck_triggerOnDragEnd){this.dragCheck_items.push(this.dragCheck_origin);if(this.opts.onDragEnd){this.opts.onDragEnd(this.dragCheck_items)}else{if(this.dragCheck_items.length>0){for(var i in this.dragCheck_items){if(this.opts.onChange)this.opts.onChange.call(this.dragCheck_items[i]);else $(this.dragCheck_items[i]).trigger('change')}}}this.dragCheck_state=null;this.dragCheck_origin=null;this.dragCheck_triggerOnDragEnd=false;this.dragCheck_items=[]}}el.data('dragCheck',this).mousedown(function(){var instance=$(this).data('dragCheck');instance.dragCheck_state=!this.checked;instance.dragCheck_origin=this}).mouseup($.proxy(this.dragEnd,this)).mouseenter(function(e){var instance=$(this).data('dragCheck');if(instance.dragCheck_state!==null){instance.dragCheck_triggerOnDragEnd=true;instance.dragCheck_items.push(this);var item=$(this).add(instance.dragCheck_origin).prop('checked',instance.dragCheck_state);if(instance.opts.onChange){instance.opts.onChange.call(instance.dragCheck_origin,e);instance.opts.onChange.call(this,e)}else{item.trigger('change',e)}}});$(document.body).mouseup($.proxy(this.dragEnd,this))};$.fn.dragCheck=function(options){var opts=$.extend({},$.fn.dragCheck.defaults,options);return new dragCheckClass($(this),opts)}$.fn.dragCheck.defaults={'deferChangeTrigger':false,'onDragEnd':undefined,'onChange':undefined}})(jQuery);