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Filename : bootstrap-multiselect.js
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(function(root,factory){if(typeof define==='function'&&define.amd&&typeof require==='function'&&typeof require.specified==='function'&&require.specified('knockout')){define(['jquery','knockout'],factory);}else{factory(root.jQuery,root.ko);}})(this,function($,ko){"use strict";if(typeof ko!=='undefined'&&ko.bindingHandlers&&!ko.bindingHandlers.multiselect){ko.bindingHandlers.multiselect={after:['options','value','selectedOptions','enable','disable'],init:function(element,valueAccessor,allBindings,viewModel,bindingContext){var $element=$(element);var config=ko.toJS(valueAccessor());$element.multiselect(config);if(allBindings.has('options')){var options=allBindings.get('options');if(ko.isObservable(options)){ko.computed({read:function(){options();setTimeout(function(){var ms=$element.data('multiselect');if(ms)
ms.updateOriginalOptions();$element.multiselect('rebuild');},1);},disposeWhenNodeIsRemoved:element});}}
if(allBindings.has('value')){var value=allBindings.get('value');if(ko.isObservable(value)){ko.computed({read:function(){value();setTimeout(function(){$element.multiselect('refresh');},1);},disposeWhenNodeIsRemoved:element}).extend({rateLimit:100,notifyWhenChangesStop:true});}}
if(allBindings.has('selectedOptions')){var selectedOptions=allBindings.get('selectedOptions');if(ko.isObservable(selectedOptions)){ko.computed({read:function(){selectedOptions();setTimeout(function(){$element.multiselect('refresh');},1);},disposeWhenNodeIsRemoved:element}).extend({rateLimit:100,notifyWhenChangesStop:true});}}
var setEnabled=function(enable){setTimeout(function(){if(enable)
$element.multiselect('enable');else
$element.multiselect('disable');});};if(allBindings.has('enable')){var enable=allBindings.get('enable');if(ko.isObservable(enable)){ko.computed({read:function(){setEnabled(enable());},disposeWhenNodeIsRemoved:element}).extend({rateLimit:100,notifyWhenChangesStop:true});}else{setEnabled(enable);}}
if(allBindings.has('disable')){var disable=allBindings.get('disable');if(ko.isObservable(disable)){ko.computed({read:function(){setEnabled(!disable());},disposeWhenNodeIsRemoved:element}).extend({rateLimit:100,notifyWhenChangesStop:true});}else{setEnabled(!disable);}}
ko.utils.domNodeDisposal.addDisposeCallback(element,function(){$element.multiselect('destroy');});},update:function(element,valueAccessor,allBindings,viewModel,bindingContext){var $element=$(element);var config=ko.toJS(valueAccessor());$element.multiselect('setOptions',config);$element.multiselect('rebuild');}};}
function forEach(array,callback){for(var index=0;index<array.length;++index){callback(array[index],index);}}
function Multiselect(select,options){this.$select=$(select);this.options=this.mergeOptions($.extend({},options,this.$select.data()));if(this.$select.attr("data-placeholder")){this.options.nonSelectedText=this.$select.data("placeholder");}
this.originalOptions=this.$select.clone()[0].options;this.query='';this.searchTimeout=null;this.lastToggledInput=null;this.options.multiple=this.$select.attr('multiple')==="multiple";this.options.onChange=$.proxy(this.options.onChange,this);this.options.onSelectAll=$.proxy(this.options.onSelectAll,this);this.options.onDeselectAll=$.proxy(this.options.onDeselectAll,this);this.options.onDropdownShow=$.proxy(this.options.onDropdownShow,this);this.options.onDropdownHide=$.proxy(this.options.onDropdownHide,this);this.options.onDropdownShown=$.proxy(this.options.onDropdownShown,this);this.options.onDropdownHidden=$.proxy(this.options.onDropdownHidden,this);this.options.onInitialized=$.proxy(this.options.onInitialized,this);this.options.onFiltering=$.proxy(this.options.onFiltering,this);this.buildContainer();this.buildButton();this.buildDropdown();this.buildReset();this.buildSelectAll();this.buildDropdownOptions();this.buildFilter();this.updateButtonText();this.updateSelectAll(true);if(this.options.enableClickableOptGroups&&this.options.multiple){this.updateOptGroups();}
this.options.wasDisabled=this.$select.prop('disabled');if(this.options.disableIfEmpty&&$('option',this.$select).length<=0){this.disable();}
this.$select.wrap('<span class="multiselect-native-select" />').after(this.$container);if(this.options.widthSynchronizationMode!=='never'){this.synchronizeButtonAndPopupWidth();}
this.options.onInitialized(this.$select,this.$container);}
Multiselect.prototype={defaults:{buttonText:function(selectedOptions,select){if(this.disabledText.length>0&&select.prop('disabled')){return this.disabledText;}
else if(selectedOptions.length===0){return this.nonSelectedText;}
else if(this.allSelectedText&&selectedOptions.length===$('option',$(select)).length&&$('option',$(select)).length!==1&&this.multiple){if(this.selectAllNumber){return this.allSelectedText+' ('+selectedOptions.length+')';}
else{return this.allSelectedText;}}
else if(this.numberDisplayed!=0&&selectedOptions.length>this.numberDisplayed){return selectedOptions.length+' '+this.nSelectedText;}
else{var selected='';var delimiter=this.delimiterText;selectedOptions.each(function(){var label=($(this).attr('label')!==undefined)?$(this).attr('label'):$(this).text();selected+=label+delimiter;});return selected.substr(0,selected.length-this.delimiterText.length);}},buttonTitle:function(options,select){if(options.length===0){return this.nonSelectedText;}
else{var selected='';var delimiter=this.delimiterText;options.each(function(){var label=($(this).attr('label')!==undefined)?$(this).attr('label'):$(this).text();selected+=label+delimiter;});return selected.substr(0,selected.length-this.delimiterText.length);}},checkboxName:function(option){return false;},optionLabel:function(element){return $(element).attr('label')||$(element).text();},optionClass:function(element){return $(element).attr('class')||'';},onChange:function(option,checked){},onDropdownShow:function(event){},onDropdownHide:function(event){},onDropdownShown:function(event){},onDropdownHidden:function(event){},onSelectAll:function(){},onDeselectAll:function(){},onInitialized:function($select,$container){},onFiltering:function($filter){},enableHTML:false,buttonClass:'custom-select',inheritClass:false,buttonWidth:'auto',buttonContainer:'<div class="btn-group" />',dropRight:false,dropUp:false,selectedClass:'active',maxHeight:false,includeSelectAllOption:false,includeSelectAllIfMoreThan:0,selectAllText:' Select all',selectAllValue:'multiselect-all',selectAllName:false,selectAllNumber:true,selectAllJustVisible:true,enableFiltering:false,enableCaseInsensitiveFiltering:false,enableFullValueFiltering:false,enableClickableOptGroups:false,enableCollapsibleOptGroups:false,collapseOptGroupsByDefault:false,filterPlaceholder:'Search',filterBehavior:'text',includeFilterClearBtn:true,preventInputChangeEvent:false,nonSelectedText:'None selected',nSelectedText:'selected',allSelectedText:'All selected',numberDisplayed:3,disableIfEmpty:false,disabledText:'',delimiterText:', ',includeResetOption:false,includeResetDivider:false,resetText:'Reset',indentGroupOptions:true,widthSynchronizationMode:'never',buttonTextAlignment:'center',templates:{button:'<button type="button" class="multiselect dropdown-toggle" data-toggle="dropdown"><span class="multiselect-selected-text"></span></button>',popupContainer:'<div class="multiselect-container dropdown-menu"></div>',filter:'<div class="multiselect-filter d-flex align-items-center"><i class="fas fa-sm fa-search text-muted"></i><input type="search" class="multiselect-search form-control" /></div>',option:'<button type="button" class="multiselect-option dropdown-item"></button>',divider:'<div class="dropdown-divider"></div>',optionGroup:'<button type="button" class="multiselect-group dropdown-item"></button>',resetButton:'<div class="multiselect-reset text-center p-2"><button type="button" class="btn btn-sm btn-block btn-outline-secondary"></button></div>'}},constructor:Multiselect,buildContainer:function(){this.$container=$(this.options.buttonContainer);if(this.options.widthSynchronizationMode!=='never'){this.$container.on('show.bs.dropdown',$.proxy(function(){this.synchronizeButtonAndPopupWidth();this.options.onDropdownShow();},this));}
else{this.$container.on('show.bs.dropdown',this.options.onDropdownShow);}
this.$container.on('hide.bs.dropdown',this.options.onDropdownHide);this.$container.on('shown.bs.dropdown',this.options.onDropdownShown);this.$container.on('hidden.bs.dropdown',this.options.onDropdownHidden);},buildButton:function(){this.$button=$(this.options.templates.button).addClass(this.options.buttonClass);if(this.$select.attr('class')&&this.options.inheritClass){this.$button.addClass(this.$select.attr('class'));}
if(this.$select.prop('disabled')){this.disable();}
else{this.enable();}
if(this.options.buttonWidth&&this.options.buttonWidth!=='auto'){this.$button.css({'width':'100%'});this.$container.css({'width':this.options.buttonWidth});}
if(this.options.buttonTextAlignment){switch(this.options.buttonTextAlignment){case 'left':this.$button.addClass('text-left');break;case 'center':this.$button.addClass('text-center');break;case 'right':this.$button.addClass('text-right');break;}}
var tabindex=this.$select.attr('tabindex');if(tabindex){this.$button.attr('tabindex',tabindex);}
this.$container.prepend(this.$button);},buildDropdown:function(){this.$popupContainer=$(this.options.templates.popupContainer);if(this.options.dropRight){this.$container.addClass('dropright');}
else if(this.options.dropUp){this.$container.addClass("dropup");}
if(this.options.maxHeight){this.$popupContainer.css({'max-height':this.options.maxHeight+'px','overflow-y':'auto','overflow-x':'hidden'});}
if(this.options.widthSynchronizationMode!=='never'){this.$popupContainer.css('overflow-x','hidden');}
this.$popupContainer.on("touchstart click",function(e){e.stopPropagation();});this.$container.append(this.$popupContainer);},synchronizeButtonAndPopupWidth:function(){if(!this.$popupContainer||this.options.widthSynchronizationMode==='never'){return;}
var buttonWidth=this.$button.outerWidth();switch(this.options.widthSynchronizationMode){case 'always':this.$popupContainer.css('min-width',buttonWidth);this.$popupContainer.css('max-width',buttonWidth);break;case 'ifPopupIsSmaller':this.$popupContainer.css('min-width',buttonWidth);break;case 'ifPopupIsWider':this.$popupContainer.css('max-width',buttonWidth);break;}},buildDropdownOptions:function(){this.$select.children().each($.proxy(function(index,element){var $element=$(element);var tag=$element.prop('tagName').toLowerCase();if($element.prop('value')===this.options.selectAllValue){return;}
if(tag==='optgroup'){this.createOptgroup(element);}
else if(tag==='option'){if($element.data('role')==='divider'){this.createDivider();}
else{this.createOptionValue(element,false);}}},this));$(this.$popupContainer).off('change','> *:not(.multiselect-group) input[type="checkbox"], > *:not(.multiselect-group) input[type="radio"]');$(this.$popupContainer).on('change','> *:not(.multiselect-group) input[type="checkbox"], > *:not(.multiselect-group) input[type="radio"]',$.proxy(function(event){var $target=$(event.target);var checked=$target.prop('checked')||false;var isSelectAllOption=$target.val()===this.options.selectAllValue;if(this.options.selectedClass){if(checked){$target.closest('.multiselect-option').addClass(this.options.selectedClass);}
else{$target.closest('.multiselect-option').removeClass(this.options.selectedClass);}}
var value=$target.val();var $option=this.getOptionByValue(value);var $optionsNotThis=$('option',this.$select).not($option);var $checkboxesNotThis=$('input',this.$container).not($target);if(isSelectAllOption){if(checked){this.selectAll(this.options.selectAllJustVisible,true);}
else{this.deselectAll(this.options.selectAllJustVisible,true);}}
else{if(checked){$option.prop('selected',true);if(this.options.multiple){$option.prop('selected',true);}
else{if(this.options.selectedClass){$($checkboxesNotThis).closest('.dropdown-item').removeClass(this.options.selectedClass);}
$($checkboxesNotThis).prop('checked',false);$optionsNotThis.prop('selected',false);this.$button.click();}
if(this.options.selectedClass==="active"){$optionsNotThis.closest(".dropdown-item").css("outline","");}}
else{$option.prop('selected',false);}
this.options.onChange($option,checked);this.updateSelectAll();if(this.options.enableClickableOptGroups&&this.options.multiple){this.updateOptGroups();}}
this.$select.change();this.updateButtonText();if(this.options.preventInputChangeEvent){return false;}},this));$('.multiselect-option',this.$popupContainer).off('mousedown');$('.multiselect-option',this.$popupContainer).on('mousedown',function(e){if(e.shiftKey){return false;}});$(this.$popupContainer).off('touchstart click','.multiselect-option, .multiselect-all, .multiselect-group');$(this.$popupContainer).on('touchstart click','.multiselect-option, .multiselect-all, .multiselect-group',$.proxy(function(event){event.stopPropagation();var $target=$(event.target);if(event.shiftKey&&this.options.multiple){if(!$target.is("input")){event.preventDefault();$target=$target.closest(".multiselect-option").find("input");$target.prop("checked",!$target.prop("checked"));}
var checked=$target.prop('checked')||false;if(this.lastToggledInput!==null&&this.lastToggledInput!==$target){var from=this.$popupContainer.find(".multiselect-option:visible").index($target.closest(".multiselect-option"));var to=this.$popupContainer.find(".multiselect-option:visible").index(this.lastToggledInput.closest(".multiselect-option"));if(from>to){var tmp=to;to=from;from=tmp;}
++to;var range=this.$popupContainer.find(".multiselect-option:not(.multiselect-filter-hidden)").slice(from,to).find("input");range.prop('checked',checked);if(this.options.selectedClass){range.closest('.multiselect-option').toggleClass(this.options.selectedClass,checked);}
for(var i=0,j=range.length;i<j;i++){var $checkbox=$(range[i]);var $option=this.getOptionByValue($checkbox.val());$option.prop('selected',checked);}}
$target.trigger("change");}
else if(!$target.is('input')){var $checkbox=$target.closest('.multiselect-option, .multiselect-all').find('.form-check-input');if($checkbox.length>0){$checkbox.prop('checked',!$checkbox.prop('checked'));$checkbox.change();}
else if(this.options.enableClickableOptGroups&&this.options.multiple&&!$target.hasClass("caret-container")){var groupItem=$target;if(!groupItem.hasClass("multiselect-group")){groupItem=$target.closest('.multiselect-group');}
$checkbox=groupItem.find(".form-check-input");if($checkbox.length>0){$checkbox.prop('checked',!$checkbox.prop('checked'));$checkbox.change();}}
event.preventDefault();}
var $input=$target.closest(".multiselect-option").find("input[type='checkbox'], input[type='radio']");if($input.length>0){this.lastToggledInput=$target;}
else{this.lastToggledInput=null;}
$target.blur();},this));this.$container.off('keydown.multiselect').on('keydown.multiselect',$.proxy(function(event){if($('input.multiselect-search',this.$container).is(':focus')){return;}
if(event.keyCode===9&&this.$container.hasClass('show')){this.$button.click();}
else{var $items=$(this.$container).find(".multiselect-option:not(.disabled), .multiselect-group:not(.disabled), .multiselect-all").filter(":visible");if(!$items.length){return;}
var index=$items.index($items.filter(':focus'));var $current=$items.eq(index);if(event.keyCode===32){var $checkbox=$current.find('input');$checkbox.prop("checked",!$checkbox.prop("checked"));$checkbox.change();event.preventDefault();}
if(event.keyCode===13){setTimeout(function(){$current.focus();},0);}}},this));if(this.options.enableClickableOptGroups&&this.options.multiple){$(".multiselect-group input",this.$popupContainer).off("change");$(".multiselect-group input",this.$popupContainer).on("change",$.proxy(function(event){event.stopPropagation();var $target=$(event.target);var checked=$target.prop('checked')||false;var $item=$(event.target).closest('.dropdown-item');var $group=$item.nextUntil(".multiselect-group").not('.multiselect-filter-hidden').not('.disabled');var $inputs=$group.find("input");var $options=[];if(this.options.selectedClass){if(checked){$item.addClass(this.options.selectedClass);}
else{$item.removeClass(this.options.selectedClass);}}
$.each($inputs,$.proxy(function(index,input){var $input=$(input);var value=$input.val();var $option=this.getOptionByValue(value);if(checked){$input.prop('checked',true);$input.closest('.dropdown-item').addClass(this.options.selectedClass);$option.prop('selected',true);}
else{$input.prop('checked',false);$input.closest('.dropdown-item').removeClass(this.options.selectedClass);$option.prop('selected',false);}
$options.push(this.getOptionByValue(value));},this))
this.options.onChange($options,checked);this.$select.change();this.updateButtonText();this.updateSelectAll();},this));}
if(this.options.enableCollapsibleOptGroups&&this.options.multiple){$(".multiselect-group .caret-container",this.$popupContainer).off("click");$(".multiselect-group .caret-container",this.$popupContainer).on("click",$.proxy(function(event){var $group=$(event.target).closest('.multiselect-group');var $inputs=$group.nextUntil(".multiselect-group").not('.multiselect-filter-hidden');var visible=true;$inputs.each(function(){visible=visible&&!$(this).hasClass('multiselect-collapsible-hidden');});if(visible){$inputs.hide().addClass('multiselect-collapsible-hidden');}
else{$inputs.show().removeClass('multiselect-collapsible-hidden');}},this));}},createCheckbox:function($item,label,name,value,title,inputType){var $wrapper=$('<span />');$wrapper.addClass("form-check");if(this.options.enableHTML&&$(label).length>0){$wrapper.append($(label));}
else{var $checkboxLabel=$('<label class="form-check-label" />');$checkboxLabel.text(label);$wrapper.append($checkboxLabel);}
var $checkbox=$('<input class="form-check-input"/>').attr('type',inputType);$checkbox.val(value);$wrapper.prepend($checkbox);if(name){$checkbox.attr('name',name);}
$item.prepend($wrapper);$item.attr("title",title||label);return $checkbox;},createOptionValue:function(element,isGroupOption){var $element=$(element);if($element.is(':selected')){$element.prop('selected',true);}
var label=this.options.optionLabel(element);var classes=this.options.optionClass(element);var value=$element.val();var inputType=this.options.multiple?"checkbox":"radio";var title=$element.attr('title');var $option=$(this.options.templates.option);$option.addClass(classes);if(isGroupOption&&this.options.indentGroupOptions){$option.addClass("multiselect-group-option-indented")}
if(this.options.collapseOptGroupsByDefault&&$(element).parent().prop("tagName").toLowerCase()==="optgroup"){$option.addClass("multiselect-collapsible-hidden");$option.hide();}
var name=this.options.checkboxName($element);var $checkbox=this.createCheckbox($option,label,name,value,title,inputType);var selected=$element.prop('selected')||false;if(value===this.options.selectAllValue){$option.addClass("multiselect-all");$option.removeClass("multiselect-option");$checkbox.parent().parent().addClass('multiselect-all');}
this.$popupContainer.append($option);if($element.is(':disabled')){$checkbox.attr('disabled','disabled').prop('disabled',true).closest('.dropdown-item').addClass('disabled');}
$checkbox.prop('checked',selected);if(selected&&this.options.selectedClass){$checkbox.closest('.dropdown-item').addClass(this.options.selectedClass);}},createDivider:function(element){var $divider=$(this.options.templates.divider);this.$popupContainer.append($divider);},createOptgroup:function(group){var $group=$(group);var label=$group.attr("label");var value=$group.attr("value");var title=$group.attr('title');var $groupOption=$("<span class='multiselect-group dropdown-item-text'></span>");if(this.options.enableClickableOptGroups&&this.options.multiple){$groupOption=$(this.options.templates.optionGroup);var $checkbox=this.createCheckbox($groupOption,label,null,value,title,"checkbox");}
else{if(this.options.enableHTML){$groupOption.html(" "+label);}
else{$groupOption.text(" "+label);}}
var classes=this.options.optionClass(group);$groupOption.addClass(classes);if(this.options.enableCollapsibleOptGroups&&this.options.multiple){$groupOption.find('.form-check').addClass('d-inline-block');$groupOption.append('<span class="caret-container dropdown-toggle pl-1"></span>');}
if($group.is(':disabled')){$groupOption.addClass('disabled');}
this.$popupContainer.append($groupOption);$("option",group).each($.proxy(function($,group){this.createOptionValue(group,true);},this));},buildReset:function(){if(this.options.includeResetOption){if(this.options.includeResetDivider){var divider=$(this.options.templates.divider);divider.addClass("mt-0");this.$popupContainer.prepend(divider);}
var $resetButton=$(this.options.templates.resetButton);if(this.options.enableHTML){$('button',$resetButton).html(this.options.resetText);}
else{$('button',$resetButton).text(this.options.resetText);}
$('button',$resetButton).click($.proxy(function(){this.clearSelection();},this));this.$popupContainer.prepend($resetButton);}},buildSelectAll:function(){if(typeof this.options.selectAllValue==='number'){this.options.selectAllValue=this.options.selectAllValue.toString();}
var alreadyHasSelectAll=this.hasSelectAll();if(!alreadyHasSelectAll&&this.options.includeSelectAllOption&&this.options.multiple&&$('option',this.$select).length>this.options.includeSelectAllIfMoreThan){if(this.options.includeSelectAllDivider){this.$popupContainer.prepend($(this.options.templates.divider));}
var $option=$(this.options.templates.li||this.options.templates.option);var $checkbox=this.createCheckbox($option,this.options.selectAllText,this.options.selectAllName,this.options.selectAllValue,this.options.selectAllText,"checkbox");$option.addClass("multiselect-all");$option.removeClass("multiselect-option");$option.find(".form-check-label").addClass("font-weight-bold");this.$popupContainer.prepend($option);$checkbox.prop('checked',false);}},buildFilter:function(){if(this.options.enableFiltering||this.options.enableCaseInsensitiveFiltering){var enableFilterLength=Math.max(this.options.enableFiltering,this.options.enableCaseInsensitiveFiltering);if(this.$select.find('option').length>=enableFilterLength){this.$filter=$(this.options.templates.filter);$('input',this.$filter).attr('placeholder',this.options.filterPlaceholder);if(!this.options.includeFilterClearBtn){this.$filter.find(".multiselect-search").attr("type","text");this.$filter.find(".multiselect-clear-filter").remove();}
else{if(this.isFirefox()&&this.$filter.find(".multiselect-clear-filter").length===0){this.$filter.append("<i class='fas fa-times text-muted multiselect-clear-filter multiselect-moz-clear-filter'></i>");}
this.$filter.find(".multiselect-clear-filter").on('click',$.proxy(function(event){clearTimeout(this.searchTimeout);this.query='';this.$filter.find('.multiselect-search').val('');$('.dropdown-item',this.$popupContainer).show().removeClass('multiselect-filter-hidden');this.updateSelectAll();if(this.options.enableClickableOptGroups&&this.options.multiple){this.updateOptGroups();}},this));}
this.$popupContainer.prepend(this.$filter);this.$filter.val(this.query).on('click',function(event){event.stopPropagation();}).on('input keydown',$.proxy(function(event){if(event.which===13){event.preventDefault();}
if(this.isFirefox()&&this.options.includeFilterClearBtn){if(event.target.value){this.$filter.find(".multiselect-moz-clear-filter").show();}
else{this.$filter.find(".multiselect-moz-clear-filter").hide();}}
clearTimeout(this.searchTimeout);this.searchTimeout=this.asyncFunction($.proxy(function(){if(this.query!==event.target.value){this.query=event.target.value;var currentGroup,currentGroupVisible;$.each($('.multiselect-option, .multiselect-group',this.$popupContainer),$.proxy(function(index,element){var value=$('input',element).length>0?$('input',element).val():"";var text=$('.form-check-label',element).text();var filterCandidate='';if((this.options.filterBehavior==='text')){filterCandidate=text;}
else if((this.options.filterBehavior==='value')){filterCandidate=value;}
else if(this.options.filterBehavior==='both'){filterCandidate=text+'\n'+value;}
if(value!==this.options.selectAllValue&&text){var showElement=false;if(this.options.enableCaseInsensitiveFiltering){filterCandidate=filterCandidate.toLowerCase();this.query=this.query.toLowerCase();}
if(this.options.enableFullValueFiltering&&this.options.filterBehavior!=='both'){var valueToMatch=filterCandidate.trim().substring(0,this.query.length);if(this.query.indexOf(valueToMatch)>-1){showElement=true;}}
else if(filterCandidate.indexOf(this.query)>-1){showElement=true;}
if(!showElement){$(element).css('display','none');$(element).addClass('multiselect-filter-hidden');}
if(showElement){$(element).css('display','block');$(element).removeClass('multiselect-filter-hidden');}
if($(element).hasClass('multiselect-group')){currentGroup=element;currentGroupVisible=showElement;}
else{if(showElement){$(currentGroup).show().removeClass('multiselect-filter-hidden');}
if(!showElement&&currentGroupVisible){$(element).show().removeClass('multiselect-filter-hidden');}}}},this));}
this.updateSelectAll();if(this.options.enableClickableOptGroups&&this.options.multiple){this.updateOptGroups();}
this.options.onFiltering(event.target);},this),300,this);},this));}}},destroy:function(){this.$container.remove();this.$select.show();this.$select.prop('disabled',this.options.wasDisabled);this.$select.data('multiselect',null);},refresh:function(){var inputs={};$('.multiselect-option input',this.$popupContainer).each(function(){inputs[$(this).val()]=$(this);});$('option',this.$select).each($.proxy(function(index,element){var $elem=$(element);var $input=inputs[$(element).val()];if($elem.is(':selected')){$input.prop('checked',true);if(this.options.selectedClass){$input.closest('.multiselect-option').addClass(this.options.selectedClass);}}
else{$input.prop('checked',false);if(this.options.selectedClass){$input.closest('.multiselect-option').removeClass(this.options.selectedClass);}}
if($elem.is(":disabled")){$input.attr('disabled','disabled').prop('disabled',true).closest('.multiselect-option').addClass('disabled');}
else{$input.prop('disabled',false).closest('.multiselect-option').removeClass('disabled');}},this));this.updateButtonText();this.updateSelectAll();if(this.options.enableClickableOptGroups&&this.options.multiple){this.updateOptGroups();}},select:function(selectValues,triggerOnChange){if(!$.isArray(selectValues)){selectValues=[selectValues];}
for(var i=0;i<selectValues.length;i++){var value=selectValues[i];if(value===null||value===undefined){continue;}
var $option=this.getOptionByValue(value);var $checkbox=this.getInputByValue(value);if($option===undefined||$checkbox===undefined){continue;}
if(!this.options.multiple){this.deselectAll(false);}
if(this.options.selectedClass){$checkbox.closest('.dropdown-item').addClass(this.options.selectedClass);}
$checkbox.prop('checked',true);$option.prop('selected',true);if(triggerOnChange){this.options.onChange($option,true);}}
this.updateButtonText();this.updateSelectAll();if(this.options.enableClickableOptGroups&&this.options.multiple){this.updateOptGroups();}},clearSelection:function(){this.deselectAll(false);this.updateButtonText();this.updateSelectAll();if(this.options.enableClickableOptGroups&&this.options.multiple){this.updateOptGroups();}},deselect:function(deselectValues,triggerOnChange){if(!$.isArray(deselectValues)){deselectValues=[deselectValues];}
for(var i=0;i<deselectValues.length;i++){var value=deselectValues[i];if(value===null||value===undefined){continue;}
var $option=this.getOptionByValue(value);var $checkbox=this.getInputByValue(value);if($option===undefined||$checkbox===undefined){continue;}
if(this.options.selectedClass){$checkbox.closest('.dropdown-item').removeClass(this.options.selectedClass);}
$checkbox.prop('checked',false);$option.prop('selected',false);if(triggerOnChange){this.options.onChange($option,false);}}
this.updateButtonText();this.updateSelectAll();if(this.options.enableClickableOptGroups&&this.options.multiple){this.updateOptGroups();}},selectAll:function(justVisible,triggerOnSelectAll){var justVisible=typeof justVisible==='undefined'?true:justVisible;if(justVisible){var visibleOptions=$(".multiselect-option:not(.disabled):not(.multiselect-filter-hidden)",this.$popupContainer);$('input:enabled',visibleOptions).prop('checked',true);visibleOptions.addClass(this.options.selectedClass);$('input:enabled',visibleOptions).each($.proxy(function(index,element){var value=$(element).val();var option=this.getOptionByValue(value);$(option).prop('selected',true);},this));}
else{var allOptions=$(".multiselect-option:not(.disabled)",this.$popupContainer);$('input:enabled',allOptions).prop('checked',true);allOptions.addClass(this.options.selectedClass);$('input:enabled',allOptions).each($.proxy(function(index,element){var value=$(element).val();var option=this.getOptionByValue(value);$(option).prop('selected',true);},this));}
$('.multiselect-option input[value="'+this.options.selectAllValue+'"]',this.$popupContainer).prop('checked',true);if(this.options.enableClickableOptGroups&&this.options.multiple){this.updateOptGroups();}
this.updateButtonText();this.updateSelectAll();if(triggerOnSelectAll){this.options.onSelectAll();}},deselectAll:function(justVisible,triggerOnDeselectAll){var justVisible=typeof justVisible==='undefined'?true:justVisible;if(justVisible){var visibleOptions=$(".multiselect-option:not(.disabled):not(.multiselect-filter-hidden)",this.$popupContainer);$('input[type="checkbox"]:enabled',visibleOptions).prop('checked',false);visibleOptions.removeClass(this.options.selectedClass);$('input[type="checkbox"]:enabled',visibleOptions).each($.proxy(function(index,element){var value=$(element).val();var option=this.getOptionByValue(value);$(option).prop('selected',false);},this));}
else{var allOptions=$(".multiselect-option:not(.disabled):not(.multiselect-group)",this.$popupContainer);$('input[type="checkbox"]:enabled',allOptions).prop('checked',false);allOptions.removeClass(this.options.selectedClass);$('input[type="checkbox"]:enabled',allOptions).each($.proxy(function(index,element){var value=$(element).val();var option=this.getOptionByValue(value);$(option).prop('selected',false);},this));}
$('.multiselect-all input[value="'+this.options.selectAllValue+'"]',this.$popupContainer).prop('checked',false);if(this.options.enableClickableOptGroups&&this.options.multiple){this.updateOptGroups();}
this.updateButtonText();this.updateSelectAll();if(triggerOnDeselectAll){this.options.onDeselectAll();}},rebuild:function(){this.$popupContainer.html('');this.options.multiple=this.$select.attr('multiple')==="multiple";this.buildSelectAll();this.buildDropdownOptions();this.buildFilter();this.updateButtonText();this.updateSelectAll(true);if(this.options.enableClickableOptGroups&&this.options.multiple){this.updateOptGroups();}
if(this.options.disableIfEmpty&&$('option',this.$select).length<=0){this.disable();}
else{this.enable();}
if(this.options.dropRight){this.$container.addClass('dropright');}
else if(this.options.dropUp){this.$container.addClass('dropup');}
if(this.options.widthSynchronizationMode!=='never'){this.synchronizeButtonAndPopupWidth();}},dataprovider:function(dataprovider){var groupCounter=0;var $select=this.$select.empty();$.each(dataprovider,function(index,option){var $tag;if($.isArray(option.children)){groupCounter++;$tag=$('<optgroup/>').attr({label:option.label||'Group '+groupCounter,disabled:!!option.disabled,value:option.value});forEach(option.children,function(subOption){var attributes={value:subOption.value,label:subOption.label||subOption.value,title:subOption.title,selected:!!subOption.selected,disabled:!!subOption.disabled};for(var key in subOption.attributes){attributes['data-'+key]=subOption.attributes[key];}
$tag.append($('<option/>').attr(attributes));});}
else{var attributes={'value':option.value,'label':option.label||option.value,'title':option.title,'class':option['class'],'selected':!!option['selected'],'disabled':!!option['disabled']};for(var key in option.attributes){attributes['data-'+key]=option.attributes[key];}
$tag=$('<option/>').attr(attributes);$tag.text(option.label||option.value);}
$select.append($tag);});this.rebuild();},enable:function(){this.$select.prop('disabled',false);this.$button.prop('disabled',false).removeClass('disabled');this.updateButtonText();},disable:function(){this.$select.prop('disabled',true);this.$button.prop('disabled',true).addClass('disabled');this.updateButtonText();},setOptions:function(options){this.options=this.mergeOptions(options);},mergeOptions:function(options){return $.extend(true,{},this.defaults,this.options,options);},hasSelectAll:function(){return $('.multiselect-all',this.$popupContainer).length>0;},updateOptGroups:function(){var $groups=$('.multiselect-group',this.$popupContainer)
var selectedClass=this.options.selectedClass;$groups.each(function(){var $options=$(this).nextUntil('.multiselect-group').not('.multiselect-filter-hidden').not('.disabled');var checked=true;$options.each(function(){var $input=$('input',this);if(!$input.prop('checked')){checked=false;}});if(selectedClass){if(checked){$(this).addClass(selectedClass);}
else{$(this).removeClass(selectedClass);}}
$('input',this).prop('checked',checked);});},updateSelectAll:function(notTriggerOnSelectAll){if(this.hasSelectAll()){var allBoxes=$(".multiselect-option:not(.multiselect-filter-hidden):not(.multiselect-group):not(.disabled) input:enabled",this.$popupContainer);var allBoxesLength=allBoxes.length;var checkedBoxesLength=allBoxes.filter(":checked").length;var selectAllItem=$(".multiselect-all",this.$popupContainer);var selectAllInput=selectAllItem.find("input");if(checkedBoxesLength>0&&checkedBoxesLength===allBoxesLength){selectAllInput.prop("checked",true);selectAllItem.addClass(this.options.selectedClass);}
else{selectAllInput.prop("checked",false);selectAllItem.removeClass(this.options.selectedClass);}}},updateButtonText:function(){var options=this.getSelected();if(this.options.enableHTML){$('.multiselect .multiselect-selected-text',this.$container).html(this.options.buttonText(options,this.$select));}
else{$('.multiselect .multiselect-selected-text',this.$container).text(this.options.buttonText(options,this.$select));}
$('.multiselect',this.$container).attr('title',this.options.buttonTitle(options,this.$select));this.$button.trigger('change');},getSelected:function(){return $('option',this.$select).filter(":selected");},getOptionByValue:function(value){var options=$('option',this.$select);var valueToCompare=value.toString();for(var i=0;i<options.length;i=i+1){var option=options[i];if(option.value===valueToCompare){return $(option);}}},getInputByValue:function(value){var checkboxes=$('.multiselect-option input:not(.multiselect-search)',this.$popupContainer);var valueToCompare=value.toString();for(var i=0;i<checkboxes.length;i=i+1){var checkbox=checkboxes[i];if(checkbox.value===valueToCompare){return $(checkbox);}}},updateOriginalOptions:function(){this.originalOptions=this.$select.clone()[0].options;},asyncFunction:function(callback,timeout,self){var args=Array.prototype.slice.call(arguments,3);return setTimeout(function(){callback.apply(self||window,args);},timeout);},setAllSelectedText:function(allSelectedText){this.options.allSelectedText=allSelectedText;this.updateButtonText();},isFirefox:function(){var firefoxIdentifier='firefox';var valueNotFoundIndex=-1;if(navigator&&navigator.userAgent){return navigator.userAgent.toLocaleLowerCase().indexOf(firefoxIdentifier)>valueNotFoundIndex;}
return false;}};$.fn.multiselect=function(option,parameter,extraOptions){return this.each(function(){var data=$(this).data('multiselect');var options=typeof option==='object'&&option;if(!data){data=new Multiselect(this,options);$(this).data('multiselect',data);}
if(typeof option==='string'){data[option](parameter,extraOptions);if(option==='destroy'){$(this).data('multiselect',false);}}});};$.fn.multiselect.Constructor=Multiselect;$(function(){$("select[data-role=multiselect]").multiselect();});});