static/assets/js/bootstrap-select.js
!function($) {
var Selectpicker = function(element, options, e) {
if (e ) {
e.stopPropagation();
e.preventDefault();
}
this.$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.$element.attr('title');
//Expose public methods
this.val = Selectpicker.prototype.val;
this.render = Selectpicker.prototype.render;
this.init();
};
Selectpicker.prototype = {
constructor: Selectpicker,
init: function (e) {
var _this = this;
this.$element.hide();
this.multiple = this.$element.prop('multiple');
var classList = this.$element.attr('class') !== undefined ? this.$element.attr('class').split(/\s+/) : '';
var id = this.$element.attr('id');
this.$element.after( this.createView() );
this.$newElement = this.$element.next('.select');
var select = this.$newElement;
var menu = this.$newElement.find('.dropdown-menu');
var menuArrow = this.$newElement.find('.dropdown-arrow');
var menuA = menu.find('li > a');
var liHeight = select.addClass('open').find('.dropdown-menu li > a').outerHeight();
select.removeClass('open');
var divHeight = menu.find('li .divider').outerHeight(true);
var selectOffset_top = this.$newElement.offset().top;
var size = 0;
var menuHeight = 0;
var selectHeight = this.$newElement.outerHeight();
this.button = this.$newElement.find('> button');
if (id !== undefined) {
this.button.attr('id', id);
$('label[for="' + id + '"]').click(function(){ select.find('button#'+id).focus(); })
}
for (var i = 0; i < classList.length; i++) {
if(classList[i] != 'selectpicker') {
this.$newElement.addClass(classList[i]);
}
}
//If we are multiple, then add the show-tick class by default
if(this.multiple) {
this.$newElement.addClass('select-multiple');
}
this.button.addClass(this.options.style);
menu.addClass(this.options.menuStyle);
menuArrow.addClass(function() {
if (_this.options.menuStyle) {
return _this.options.menuStyle.replace('dropdown-', 'dropdown-arrow-');
}
});
this.checkDisabled();
this.checkTabIndex();
this.clickListener();
var menuPadding = parseInt(menu.css('padding-top')) + parseInt(menu.css('padding-bottom')) + parseInt(menu.css('border-top-width')) + parseInt(menu.css('border-bottom-width'));
if (this.options.size == 'auto') {
// Creative Tim Changes: We changed the regular function made in bootstrap-select with this function so the getSize() will not be triggered one million times per second while you scroll.
var getSize = debounce(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;
menuHeight = selectOffset_bot;
if (select.hasClass('dropup')) {
menuHeight = selectOffset_top_scroll - menuExtras;
}
//limit menuHeight to 300px to have a smooth transition with cubic bezier on dropdown
if(menuHeight >= 300){
menuHeight = 300;
}
menu.css({'max-height' : menuHeight + 'px', 'overflow-y' : 'auto', 'min-height' : liHeight * 3 + 'px'});
}, 50);
getSize;
$(window).on('scroll', getSize);
$(window).on('resize', getSize);
if (window.MutationObserver) {
new MutationObserver(getSize).observe(this.$element.get(0), {
childList: true
});
} else {
this.$element.bind('DOMNodeInserted', getSize);
}
} else if (this.options.size && this.options.size != 'auto' && menu.find('li').length > this.options.size) {
var optIndex = menu.find("li > *").filter(':not(.divider)').slice(0,this.options.size).last().parent().index();
var divLength = menu.find("li").slice(0,optIndex + 1).find('.divider').length;
menuHeight = liHeight*this.options.size + divLength*divHeight + menuPadding;
menu.css({'max-height' : menuHeight + 'px', 'overflow-y' : 'scroll'});
//console.log('sunt in if');
}
// Listen for updates to the DOM and re render... (Use Mutation Observer when availiable)
if (window.MutationObserver) {
new MutationObserver($.proxy(this.reloadLi, this)).observe(this.$element.get(0), {
childList: true
});
} else {
this.$element.bind('DOMNodeInserted', $.proxy(this.reloadLi, this));
}
this.render();
},
createDropdown: function() {
var drop =
"<div class='btn-group select'>" +
"<button class='btn dropdown-toggle clearfix' data-toggle='dropdown'>" +
"<span class='filter-option'></span> " +
"<span class='caret'></span>" +
"</button>" +
"<span class='dropdown-arrow'></span>" +
"<ul class='dropdown-menu' role='menu'>" +
"</ul>" +
"</div>";
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
$li = this.createLi();
this.$newElement.find('ul').append( $li );
//render view
this.render();
},
destroyLi:function() {
this.$newElement.find('li').remove();
},
createLi: function() {
var _this = this;
var _li = [];
var _liA = [];
var _liHtml = '';
this.$element.find('option').each(function(){
_li.push($(this).text());
});
this.$element.find('option').each(function(index) {
//Get the class and text for the option
var optionClass = $(this).attr("class") !== undefined ? $(this).attr("class") : '';
var text = $(this).text();
var subtext = $(this).data('subtext') !== undefined ? '<small class="muted">'+$(this).data('subtext')+'</small>' : '';
//Append any subtext to the main text.
text+=subtext;
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 = $(this).parent().data('subtext') !== undefined ? '<small class="muted">'+$(this).parent().data('subtext')+'</small>' : '';
label += labelSubtext;
if ($(this)[0].index != 0) {
_liA.push(
'<div class="divider"></div>'+
'<dt>'+label+'</dt>'+
_this.createA(text, "opt " + optionClass )
);
} else {
_liA.push(
'<dt>'+label+'</dt>'+
_this.createA(text, "opt " + optionClass ));
}
} else {
_liA.push( _this.createA(text, "opt " + optionClass ) );
}
} else if ($(this).data('divider') == true) {
_liA.push('<div class="divider"></div>');
} else if ($(this).data('hidden') == true) {
_liA.push('');
} else {
_liA.push( _this.createA(text, optionClass ) );
}
});
if (_li.length > 0) {
for (var i = 0; i < _li.length; i++) {
var $option = this.$element.find('option').eq(i);
_liHtml += "<li rel=" + i + ">" + _liA[i] + "</li>";
}
}
//If 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.$element.find('option:selected').length==0 && !_this.options.title) {
this.$element.find('option').eq(0).prop('selected', true).attr('selected', 'selected');
}
return $(_liHtml);
},
createA:function(test, classes) {
return '<a tabindex="-1" href="#" class="'+classes+'">' +
'<span class="">' + test + '</span>' +
'</a>';
},
render:function() {
var _this = this;
//Set width of select
if (this.options.width == 'auto') {
var ulWidth = this.$newElement.find('.dropdown-menu').css('width');
this.$newElement.css('width',ulWidth);
} else if (this.options.width && this.options.width != 'auto') {
this.$newElement.css('width',this.options.width);
}
//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) {
if($(this).attr('title')!=undefined) {
return $(this).attr('title');
} else {
return $(this).text();
}
}).toArray();
//Convert all the values into a comma delimited string
var title = selectedItems.join(", ");
//If this is multi select, and the selectText type is count, the show 1 of 2 selected etc..
if(_this.multiple && _this.options.selectedTextFormat.indexOf('count') > -1) {
var max = _this.options.selectedTextFormat.split(">");
if( (max.length>1 && selectedItems.length > max[1]) || (max.length==1 && selectedItems.length>=2)) {
title = selectedItems.length +' of ' + this.$element.find('option').length + ' selected';
}
}
//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;
}
this.$element.next('.select').find('.filter-option').html( title );
},
setSelected:function(index, selected) {
if(selected) {
this.$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');
} else {
this.$newElement.find('li').eq(index).removeClass('disabled');
}
},
checkDisabled: function() {
if (this.$element.is(':disabled')) {
this.button.addClass('disabled');
this.button.click(function(e) {
e.preventDefault();
});
}
},
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 = $this.parents('.select');
//Dont close on multi choice menu
if(_this.multiple) {
e.stopPropagation();
}
e.preventDefault();
//Dont run if we have been disabled
if ($select.prev('select').not(':disabled') && !$(this).parent().hasClass('disabled')){
//Deselect all others if not multi select box
if (!_this.multiple) {
$select.prev('select').find('option').removeAttr('selected');
$select.prev('select').find('option').eq(clickedIndex).prop('selected', true).attr('selected', 'selected');
}
//Else toggle the one we have chosen if we are multi selet.
else {
var selected = $select.prev('select').find('option').eq(clickedIndex).prop('selected');
if(selected) {
$select.prev('select').find('option').eq(clickedIndex).removeAttr('selected');
} else {
$select.prev('select').find('option').eq(clickedIndex).prop('selected', true).attr('selected', 'selected');
}
}
$select.find('.filter-option').html($this.text());
$select.find('button').focus();
// Trigger select 'change'
$select.prev('select').trigger('change');
}
});
this.$newElement.on('click', 'li.disabled a, li dt, li .divider', function(e) {
e.preventDefault();
e.stopPropagation();
$select = $(this).parent().parents('.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();
}
}
};
$.fn.selectpicker = function(option, event) {
//get the args of the outer function..
var args = arguments;
var value;
var chain = this.each(function () {
var $this = $(this),
data = $this.data('selectpicker'),
options = typeof option == 'object' && option;
if (!data) {
$this.data('selectpicker', (data = new Selectpicker(this, options, event)));
} else {
for(var i in option) {
data[i]=option[i];
}
}
if (typeof option == 'string') {
//Copy the value of option, as once we shift the arguments
//it also shifts the value of option.
property = option;
if(data[property] instanceof Function) {
[].shift.apply(args);
value = data[property].apply(data, args);
} else {
value = data[property];
}
}
});
if(value!=undefined) {
return value;
} else {
return chain;
}
};
$.fn.selectpicker.defaults = {
style: null,
size: 'auto',
title: null,
selectedTextFormat : 'values',
noneSelectedText : 'Nothing selected',
width: null,
menuStyle: null,
toggleSize: null
}
}(window.jQuery);