!function($) { "use strict"; var Selectpicker = function(element, options, e) { if (e) { e.stopPropagation(); e.preventDefault(); } this.$element = $(element); this.$newElement = null; this.button = null; //Merge defaults, options and data-attributes to make our options this.options = $.extend({}, $.fn.selectpicker.defaults, this.$element.data(), typeof options == 'object' && options); //If we have no title yet, check the attribute 'title' (this is missed by jq as its not a data-attribute if(this.options.title==null) this.options.title = this.$element.attr('title'); //Expose public methods this.val = Selectpicker.prototype.val; this.render = Selectpicker.prototype.render; this.refresh = Selectpicker.prototype.refresh; this.selectAll = Selectpicker.prototype.selectAll; this.deselectAll = Selectpicker.prototype.deselectAll; this.init(); }; Selectpicker.prototype = { constructor: Selectpicker, init: function (e) { if (!this.options.container) { this.$element.hide(); } else { this.$element.css('visibility','hidden'); }; this.multiple = this.$element.prop('multiple'); var id = this.$element.attr('id'); this.$newElement = this.createView() this.$element.after(this.$newElement); if (this.options.container) { this.selectPosition(); } this.button = this.$newElement.find('> button'); if (id !== undefined) { var _this = this; this.button.attr('data-id', id); $('label[for="' + id + '"]').click(function(){ _this.button.focus(); }) } if (this.$element.attr('class')) { this.$newElement.addClass(this.$element.attr('class').replace(/selectpicker/gi, '')); } //If we are multiple, then add the show-tick class by default if(this.multiple) { this.$newElement.addClass('show-tick'); } this.button.addClass(this.options.style); this.checkDisabled(); this.checkTabIndex(); this.clickListener(); this.render(); this.setSize(); }, createDropdown: function() { var drop = "
" + "" + "" + "
"; return $(drop); }, createView: function() { var $drop = this.createDropdown(); var $li = this.createLi(); $drop.find('ul').append($li); return $drop; }, reloadLi: function() { //Remove all children. this.destroyLi(); //Re build var $li = this.createLi(); this.$newElement.find('ul').append( $li ); }, destroyLi:function() { this.$newElement.find('li').remove(); }, createLi: function() { var _this = this; var _liA = []; var _liHtml = ''; this.$element.find('option').each(function(index) { var $this = $(this); //Get the class and text for the option var optionClass = $this.attr("class") || ''; var text = $this.text(); var subtext = $this.data('subtext') !== undefined ? '' + $this.data('subtext') + '' : ''; var icon = $this.data('icon') !== undefined ? ' ' : ''; if (icon !== '' && ($this.is(':disabled') || $this.parent().is(':disabled'))) { icon = ''+icon+''; } //Prepend any icon and append any subtext to the main text. text = icon + '' + text + subtext + ''; if (_this.options.hideDisabled && ($this.is(':disabled') || $this.parent().is(':disabled'))) { _liA.push(''); } else if ($this.parent().is('optgroup') && $this.data('divider') != true) { if ($this.index() == 0) { //Get the opt group label var label = $this.parent().attr('label'); var labelSubtext = $this.parent().data('subtext') !== undefined ? ''+$this.parent().data('subtext')+'' : ''; var labelIcon = $this.parent().data('icon') ? ' ' : ''; label = labelIcon + '' + label + labelSubtext + ''; if ($this[0].index != 0) { _liA.push( '
'+ '
'+label+'
'+ _this.createA(text, "opt " + optionClass ) ); } else { _liA.push( '
'+label+'
'+ _this.createA(text, "opt " + optionClass )); } } else { _liA.push( _this.createA(text, "opt " + optionClass ) ); } } else if ($this.data('divider') == true) { _liA.push('
'); } else if ($(this).data('hidden') == true) { _liA.push(''); } else { _liA.push( _this.createA(text, optionClass ) ); } }); $.each(_liA, function(i, item){ _liHtml += "
  • " + item + "
  • "; }); //If we are not multiple, and we dont have a selected item, and we dont have a title, select the first element so something is set in the button if(!this.multiple && this.$element.find('option:selected').length==0 && !_this.options.title) { this.$element.find('option').eq(0).prop('selected', true).attr('selected', 'selected'); } return $(_liHtml); }, createA:function(text, classes) { return '' + text + '' + ''; }, render:function() { var _this = this; //Update the LI to match the SELECT this.$element.find('option').each(function(index) { _this.setDisabled(index, $(this).is(':disabled') || $(this).parent().is(':disabled') ); _this.setSelected(index, $(this).is(':selected') ); }); var selectedItems = this.$element.find('option:selected').map(function(index,value) { var subtext; if (_this.options.showSubtext && $(this).attr('data-subtext') && !_this.multiple) { subtext = ' '+$(this).data('subtext') +''; } else { subtext = ''; } if($(this).attr('title')!=undefined) { return $(this).attr('title'); } else { return $(this).text() + subtext; } }).toArray(); //Fixes issue in IE10 occurring when no default option is selected and at least one option is disabled //Convert all the values into a comma delimited string var title = !this.multiple ? selectedItems[0] : selectedItems.join(", "), separator = _this.options.separatorText || _this.options.defaultSeparatorText, selected = _this.options.selectedText || _this.options.defaultSelectedText; //If this is multi select, and the selectText type is count, the show 1 of 2 selected etc.. if(_this.multiple && _this.options.selectedTextFormat.indexOf('count') > -1) { var max = _this.options.selectedTextFormat.split(">"); var notDisabled = this.options.hideDisabled ? ':not([disabled])' : ''; if( (max.length>1 && selectedItems.length > max[1]) || (max.length==1 && selectedItems.length>=2)) { title = _this.options.countSelectedText.replace('{0}', selectedItems.length).replace('{1}', this.$element.find('option:not([data-divider="true"]):not([data-hidden="true"])'+notDisabled).length); } } //If we dont have a title, then use the default, or if nothing is set at all, use the not selected text if(!title) { title = _this.options.title != undefined ? _this.options.title : _this.options.noneSelectedText; } var subtext; if (this.options.showSubtext && this.$element.find('option:selected').attr('data-subtext')) { subtext = ' '+this.$element.find('option:selected').data('subtext') +''; } else { subtext = ''; } var icon = this.$element.find('option:selected').data('icon') || ''; if(icon.length) { icon = ' '; } _this.$newElement.find('.filter-option').html(icon + title + subtext); }, setSize:function() { if(this.options.container) { // Show $newElement before perfoming size calculations this.$newElement.toggle(this.$element.parent().is(':visible')); } var _this = this; var menu = this.$newElement.find('.dropdown-menu'); var menuA = menu.find('li > a'); var liHeight = this.$newElement.addClass('open').find('.dropdown-menu li > a').outerHeight(); this.$newElement.removeClass('open'); var divHeight = menu.find('li .divider').outerHeight(true); var selectOffset_top = this.$newElement.offset().top; var selectHeight = this.$newElement.outerHeight(); var menuPadding = parseInt(menu.css('padding-top')) + parseInt(menu.css('padding-bottom')) + parseInt(menu.css('border-top-width')) + parseInt(menu.css('border-bottom-width')); var notDisabled = this.options.hideDisabled ? ':not(.disabled)' : ''; var menuHeight; if (this.options.size == 'auto') { var getSize = function() { var selectOffset_top_scroll = selectOffset_top - $(window).scrollTop(); var windowHeight = window.innerHeight; var menuExtras = menuPadding + parseInt(menu.css('margin-top')) + parseInt(menu.css('margin-bottom')) + 2; var selectOffset_bot = windowHeight - selectOffset_top_scroll - selectHeight - menuExtras; var minHeight; menuHeight = selectOffset_bot; if (_this.$newElement.hasClass('dropup')) { menuHeight = selectOffset_top_scroll - menuExtras; } if ((menu.find('li').length + menu.find('dt').length) > 3) { minHeight = liHeight*3 + menuExtras - 2; } else { minHeight = 0; } menu.css({'max-height' : menuHeight + 'px', 'overflow-y' : 'auto', 'min-height' : minHeight + 'px'}); } getSize(); $(window).resize(getSize); $(window).scroll(getSize); } else if (this.options.size && this.options.size != 'auto' && menu.find('li'+notDisabled).length > this.options.size) { var optIndex = menu.find("li"+notDisabled+" > *").filter(':not(.div-contain)').slice(0,this.options.size).last().parent().index(); var divLength = menu.find("li").slice(0,optIndex + 1).find('.div-contain').length; menuHeight = liHeight*this.options.size + divLength*divHeight + menuPadding; menu.css({'max-height' : menuHeight + 'px', 'overflow-y' : 'auto'}); } //Set width of select if (this.options.width == 'auto') { this.$newElement.find('.dropdown-menu').css('min-width','0'); var ulWidth = this.$newElement.find('.dropdown-menu').css('width'); this.$newElement.css('width',ulWidth); if (this.options.container) { this.$element.css('width',ulWidth); } } else if (this.options.width) { if (this.options.container) { // Note: options.width can be % this.$element.css('width', this.options.width); // Set pixel width of $newElement based on $element's pixel width this.$newElement.width(this.$element.outerWidth()); } else { this.$newElement.css('width',this.options.width); } } else if(this.options.container) { // Set width of $newElement based on $element this.$newElement.width(this.$element.outerWidth()); } }, selectPosition:function() { var containerOffset = $(this.options.container).offset(); var eltOffset = this.$element.offset(); if(containerOffset && eltOffset) { var selectElementTop = eltOffset.top - containerOffset.top; var selectElementLeft = eltOffset.left - containerOffset.left; this.$newElement.appendTo(this.options.container); this.$newElement.css({'position':'absolute', 'top':selectElementTop+'px', 'left':selectElementLeft+'px'}); } }, refresh:function() { this.reloadLi(); this.render(); this.setSize(); this.checkDisabled(); if (this.options.container) { this.selectPosition(); } }, setSelected:function(index, selected) { if(selected) { this.$newElement.find('li').eq(index).addClass('selected'); } else { this.$newElement.find('li').eq(index).removeClass('selected'); } }, setDisabled:function(index, disabled) { if(disabled) { this.$newElement.find('li').eq(index).addClass('disabled').find('a').attr('href','#').attr('tabindex',-1); } else { this.$newElement.find('li').eq(index).removeClass('disabled').find('a').removeAttr('href').attr('tabindex',0); } }, isDisabled: function() { return this.$element.is(':disabled') || this.$element.attr('readonly'); }, checkDisabled: function() { if (this.isDisabled()) { this.button.addClass('disabled'); this.button.click(function(e) { e.preventDefault(); }); this.button.attr('tabindex','-1'); } else if (!this.isDisabled() && this.button.hasClass('disabled')) { this.button.removeClass('disabled'); this.button.click(function() { return true; }); this.button.removeAttr('tabindex'); } }, checkTabIndex: function() { if (this.$element.is('[tabindex]')) { var tabindex = this.$element.attr("tabindex"); this.button.attr('tabindex', tabindex); } }, clickListener: function() { var _this = this; $('body').on('touchstart.dropdown', '.dropdown-menu', function (e) { e.stopPropagation(); }); this.$newElement.on('click', 'li a', function(e){ var clickedIndex = $(this).parent().index(), $this = $(this).parent(), $select = $this.parents('.bootstrap-select'), prevValue = _this.$element.val(); //Dont close on multi choice menu if(_this.multiple) { e.stopPropagation(); } e.preventDefault(); //Dont run if we have been disabled if (_this.$element.not(':disabled') && !$(this).parent().hasClass('disabled')){ //Deselect all others if not multi select box if (!_this.multiple) { _this.$element.find('option').prop('selected', false); _this.$element.find('option').eq(clickedIndex).prop('selected', true); } //Else toggle the one we have chosen if we are multi select. else { var selected = _this.$element.find('option').eq(clickedIndex).prop('selected'); if(selected) { _this.$element.find('option').eq(clickedIndex).prop('selected', false); } else { _this.$element.find('option').eq(clickedIndex).prop('selected', true); } } $select.find('button').focus(); // Trigger select 'change' if (prevValue != _this.$element.val()) { _this.$element.trigger('change'); } _this.render(); } }); this.$newElement.on('click', 'li.disabled a, li dt, li .div-contain', function(e) { e.preventDefault(); e.stopPropagation(); var $select = $(this).parent().parents('.bootstrap-select'); $select.find('button').focus(); }); this.$element.on('change', function(e) { _this.render(); }); }, val:function(value) { if(value!=undefined) { this.$element.val( value ); this.$element.trigger('change'); return this.$element; } else { return this.$element.val(); } }, selectAll:function() { this.$element.find('option').prop('selected', true).attr('selected', 'selected'); this.render(); }, deselectAll:function() { this.$element.find('option').prop('selected', false).removeAttr('selected'); this.render(); }, keydown: function (e) { var $this, $items, $parent, index, next, first, last, prev, nextPrev $this = $(this); $parent = $this.parent(); $items = $('[role=menu] li:not(.divider):visible a', $parent); if (!$items.length) return; if (/(38|40)/.test(e.keyCode)) { index = $items.index($items.filter(':focus')); first = $items.parent(':not(.disabled)').first().index(); last = $items.parent(':not(.disabled)').last().index(); next = $items.eq(index).parent().nextAll(':not(.disabled)').eq(0).index(); prev = $items.eq(index).parent().prevAll(':not(.disabled)').eq(0).index(); nextPrev = $items.eq(next).parent().prevAll(':not(.disabled)').eq(0).index(); if (e.keyCode == 38) { if (index != nextPrev && index > prev) index = prev; if (index < first) index = first; } if (e.keyCode == 40) { if (index != nextPrev && index < next) index = next; if (index > last) index = last; } $items.eq(index).focus() } else { var keyCodeMap = { 48:"0", 49:"1", 50:"2", 51:"3", 52:"4", 53:"5", 54:"6", 55:"7", 56:"8", 57:"9", 59:";", 65:"a", 66:"b", 67:"c", 68:"d", 69:"e", 70:"f", 71:"g", 72:"h", 73:"i", 74:"j", 75:"k", 76:"l", 77:"m", 78:"n", 79:"o", 80:"p", 81:"q", 82:"r", 83:"s", 84:"t", 85:"u", 86:"v", 87:"w", 88:"x", 89:"y", 90:"z", 96:"0", 97:"1", 98:"2", 99:"3", 100:"4", 101:"5", 102:"6", 103:"7", 104:"8", 105:"9" } var keyIndex = []; $items.each(function() { if ($(this).parent().is(':not(.disabled)')) { if ($.trim($(this).text().toLowerCase()).substring(0,1) == keyCodeMap[e.keyCode]) { keyIndex.push($(this).parent().index()); } } }); var count = $(document).data('keycount'); count++; $(document).data('keycount',count); var prevKey = $.trim($(':focus').text().toLowerCase()).substring(0,1); if (prevKey != keyCodeMap[e.keyCode]) { count = 1; $(document).data('keycount',count); } else if (count >= keyIndex.length) { $(document).data('keycount',0); } $items.eq(keyIndex[count - 1]).focus(); } if (/(13)/.test(e.keyCode)) { $(':focus').click(); $parent.addClass('open'); $(document).data('keycount',0); } } }; $.fn.selectpicker = function(option, event) { //get the args of the outer function.. var args = arguments; var value; var chain = this.each(function () { if ($(this).is('select')) { var $this = $(this), data = $this.data('selectpicker'), options = typeof option == 'object' && option; if (!data) { $this.data('selectpicker', (data = new Selectpicker(this, options, event))); } else if(options){ for(var i in options) { data.options[i]=options[i]; } } if (typeof option == 'string') { //Copy the value of option, as once we shift the arguments //it also shifts the value of option. var property = option; if(data[property] instanceof Function) { [].shift.apply(args); value = data[property].apply(data, args); } else { value = data.options[property]; } } } }); if(value!=undefined) { return value; } else { return chain; } }; $.fn.selectpicker.defaults = { style: null, size: 'auto', title: null, selectedTextFormat : 'values', noneSelectedText : 'Nothing selected', countSelectedText: '{0} of {1} selected', width: null, container: false, hideDisabled: false, showSubtext: false } $(document) .data('keycount', 0) .on('keydown', '[data-toggle=dropdown], [role=menu]' , Selectpicker.prototype.keydown) }(window.jQuery);