(function($){$.widget("ui.multiselect",{options:{sortable:true,searchable:true,animated:'fast',show:'slideDown',hide:'slideUp',dividerLocation:0.6,nodeComparator:function(node1,node2){var text1=node1.text(),text2=node2.text();return text1==text2?0:(text1<text2?-1:1);}},_create:function(){this.element.hide();this.id=this.element.attr("id");this.container=$('<div class="ui-multiselect ui-helper-clearfix ui-widget"></div>').insertAfter(this.element);this.count=0;this.availableContainer=$('<div class="available"></div>').appendTo(this.container);this.selectedContainer=$('<div class="selected"></div>').appendTo(this.container);this.selectedActions=$('<div class="actions ui-widget-header ui-helper-clearfix"><span class="count">0 '+$.ui.multiselect.locale.itemsCount+'</span><a href="#" class="remove-all">'+$.ui.multiselect.locale.removeAll+'</a></div>').appendTo(this.selectedContainer);this.availableActions=$('<div class="actions ui-widget-header ui-helper-clearfix"><input type="text" class="search empty ui-widget-content ui-corner-all"/><a href="#" class="add-all">'+$.ui.multiselect.locale.addAll+'</a></div>').appendTo(this.availableContainer);this.selectedList=$('<ul class="selected connected-list"><li class="ui-helper-hidden-accessible"></li></ul>').bind('selectstart',function(){return false;}).appendTo(this.selectedContainer);this.availableList=$('<ul class="available connected-list"><li class="ui-helper-hidden-accessible"></li></ul>').bind('selectstart',function(){return false;}).appendTo(this.availableContainer);var that=this;this.container.width(this.element.width()+1);this.selectedContainer.width(Math.floor(this.element.width()*this.options.dividerLocation));this.availableContainer.width(Math.floor(this.element.width()*(1-this.options.dividerLocation)));this.selectedList.height(Math.max(this.element.height()-this.selectedActions.height(),1));this.availableList.height(Math.max(this.element.height()-this.availableActions.height(),1));if(!this.options.animated){this.options.show='show';this.options.hide='hide';}
this._populateLists(this.element.find('option'));if(this.options.sortable){this.selectedList.sortable({placeholder:'ui-state-highlight',axis:'y',update:function(event,ui){that.selectedList.find('li').each(function(){if($(this).data('optionLink'))
$(this).data('optionLink').remove().appendTo(that.element);});},receive:function(event,ui){ui.item.data('optionLink').attr('selected',true);that.count+=1;that._updateCount();that.selectedList.children('.ui-draggable').each(function(){$(this).removeClass('ui-draggable');$(this).data('optionLink',ui.item.data('optionLink'));$(this).data('idx',ui.item.data('idx'));that._applyItemState($(this),true);});setTimeout(function(){ui.item.remove();},1);}});}
if(this.options.searchable){this._registerSearchEvents(this.availableContainer.find('input.search'));}else{$('.search').hide();}
this.container.find(".remove-all").click(function(){that._populateLists(that.element.find('option').removeAttr('selected'));return false;});this.container.find(".add-all").click(function(){that._populateLists(that.element.find('option').attr('selected','selected'));return false;});},destroy:function(){this.element.show();this.container.remove();$.Widget.prototype.destroy.apply(this,arguments);},_populateLists:function(options){this.selectedList.children('.ui-element').remove();this.availableList.children('.ui-element').remove();this.count=0;var that=this;var items=$(options.map(function(i){var item=that._getOptionNode(this).appendTo(this.selected?that.selectedList:that.availableList).show();if(this.selected)that.count+=1;that._applyItemState(item,this.selected);item.data('idx',i);return item[0];}));this._updateCount();},_updateCount:function(){this.selectedContainer.find('span.count').text(this.count+" "+$.ui.multiselect.locale.itemsCount);},_getOptionNode:function(option){option=$(option);var node=$('<li class="ui-state-default ui-element" title="'+option.text()+'"><span class="ui-icon"/>'+option.text()+'<a href="#" class="action"><span class="ui-corner-all ui-icon"/></a></li>').hide();node.data('optionLink',option);return node;},_cloneWithData:function(clonee){var clone=clonee.clone();clone.data('optionLink',clonee.data('optionLink'));clone.data('idx',clonee.data('idx'));return clone;},_setSelected:function(item,selected){item.data('optionLink').attr('selected',selected);if(selected){var selectedItem=this._cloneWithData(item);item[this.options.hide](this.options.animated,function(){$(this).remove();});selectedItem.appendTo(this.selectedList).hide()[this.options.show](this.options.animated);this._applyItemState(selectedItem,true);return selectedItem;}else{var items=this.availableList.find('li'),comparator=this.options.nodeComparator;var succ=null,i=item.data('idx'),direction=comparator(item,$(items[i]));if(direction){while(i>=0&&i<items.length){direction>0?i++:i--;if(direction!=comparator(item,$(items[i]))){succ=items[direction>0?i:i+1];break;}}}else{succ=items[i];}
var availableItem=this._cloneWithData(item);succ?availableItem.insertBefore($(succ)):availableItem.appendTo(this.availableList);item[this.options.hide](this.options.animated,function(){$(this).remove();});availableItem.hide()[this.options.show](this.options.animated);this._applyItemState(availableItem,false);return availableItem;}},_applyItemState:function(item,selected){if(selected){if(this.options.sortable)
item.children('span').addClass('ui-icon-arrowthick-2-n-s').removeClass('ui-helper-hidden').addClass('ui-icon');else
item.children('span').removeClass('ui-icon-arrowthick-2-n-s').addClass('ui-helper-hidden').removeClass('ui-icon');item.find('a.action span').addClass('ui-icon-minus').removeClass('ui-icon-plus');this._registerRemoveEvents(item.find('a.action'));}else{item.children('span').removeClass('ui-icon-arrowthick-2-n-s').addClass('ui-helper-hidden').removeClass('ui-icon');item.find('a.action span').addClass('ui-icon-plus').removeClass('ui-icon-minus');this._registerAddEvents(item.find('a.action'));}
this._registerHoverEvents(item);},_filter:function(list){var input=$(this);var rows=list.children('li'),cache=rows.map(function(){return $(this).text().toLowerCase();});var term=$.trim(input.val().toLowerCase()),scores=[];if(!term){rows.show();}else{rows.hide();cache.each(function(i){if(this.indexOf(term)>-1){scores.push(i);}});$.each(scores,function(){$(rows[this]).show();});}},_registerHoverEvents:function(elements){elements.removeClass('ui-state-hover');elements.mouseover(function(){$(this).addClass('ui-state-hover');});elements.mouseout(function(){$(this).removeClass('ui-state-hover');});},_registerAddEvents:function(elements){var that=this;elements.click(function(){var item=that._setSelected($(this).parent(),true);that.count+=1;that._updateCount();return false;});if(this.options.sortable){elements.each(function(){$(this).parent().draggable({connectToSortable:that.selectedList,helper:function(){var selectedItem=that._cloneWithData($(this)).width($(this).width()-50);selectedItem.width($(this).width());return selectedItem;},appendTo:that.container,containment:that.container,revert:'invalid'});});}},_registerRemoveEvents:function(elements){var that=this;elements.click(function(){that._setSelected($(this).parent(),false);that.count-=1;that._updateCount();return false;});},_registerSearchEvents:function(input){var that=this;input.focus(function(){$(this).addClass('ui-state-active');}).blur(function(){$(this).removeClass('ui-state-active');}).keypress(function(e){if(e.keyCode==13)
return false;}).keyup(function(){that._filter.apply(this,[that.availableList]);});}});$.extend($.ui.multiselect,{locale:{addAll:'Add all',removeAll:'Remove all',itemsCount:'items selected'}});})(jQuery);