(function ($) {
'use strict';
function MultipleSelect($el, options) {
var that = this,
name = $el.attr('name') || options.name || ''
var originalParentStyle = $el.parent().attr('style') || '';
$el.parent().hide();
var elWidth = $el.css("width");
$el.parent().show().attr('style', originalParentStyle);
if (elWidth=="0px") {elWidth = $el.outerWidth()+20}
this.$el = $el.hide();
this.options = options;
this.$parent = $('<div' + $.map(['class', 'title'],function (att) {
var attValue = that.$el.attr(att) || '';
attValue = (att === 'class' ? ('ms-parent nopadding' + (attValue ? ' ' : '')) : '') + attValue;
return attValue ? (' ' + att + '="' + attValue + '"') : '';
}).join('') + ' />');
this.$choice = $('<button type="button" class="ms-choice"><span class="placeholder">' +
options.placeholder + '</span><div></div></button>');
this.$drop = $('<div class="ms-drop ' + options.position + '"></div>');
this.$el.after(this.$parent);
this.$parent.append(this.$choice);
this.$parent.append(this.$drop);
if (this.$el.prop('disabled')) {
this.$choice.addClass('disabled');
}
this.$parent.css('width', options.width || elWidth);
if (!this.options.keepOpen) {
$('body').click(function (e) {
if ($(e.target)[0] === that.$choice[0] ||
$(e.target).parents('.ms-choice')[0] === that.$choice[0]) {
return;
}
if (($(e.target)[0] === that.$drop[0] ||
$(e.target).parents('.ms-drop')[0] !== that.$drop[0]) &&
that.options.isOpen) {
that.close();
}
});
}
this.selectAllName = 'data-ty="selectAll' + name + '"';
this.selectGroupName = 'data-ty="selectGroup' + name + '"';
this.selectItemName = 'data-ty="selectItem' + name + '"';
}
MultipleSelect.prototype = {
constructor: MultipleSelect,
init: function () {
var that = this;
if (this.options.filter) {
this.$drop.append(
'<div class="ms-search">' +
'<input type="text" autocomplete="off" autocorrect="off" autocapitilize="off" spellcheck="false">' +
'</div>'
);
}
var ul = $('<ul></ul>');
if (this.options.selectAll && !this.options.single) {
ul.append(
'<li class="ms-select-all">' +
'<label>' +
'<input type="checkbox" ' + this.selectAllName + ' /> ' +
this.options.selectAllDelimiter[0] + this.options.selectAllText + this.options.selectAllDelimiter[1] +
'</label>' +
'</li>'
);
}
$.each(this.$el.children(), function (i, elm) {
ul.append(that.optionToHtml(i, elm));
});
ul.append('<li class="ms-no-results">' + this.options.noMatchesFound + '</li>');
this.$drop.append(ul);
this.$drop.find('ul').css('max-height', this.options.maxHeight + 'px');
this.$drop.find('.multiple').css('width', this.options.multipleWidth + 'px');
this.$searchInput = this.$drop.find('.ms-search input');
this.$selectAll = this.$drop.find('input[' + this.selectAllName + ']');
this.$selectGroups = this.$drop.find('input[' + this.selectGroupName + ']');
this.$selectItems = this.$drop.find('input[' + this.selectItemName + ']:enabled');
this.$disableItems = this.$drop.find('input[' + this.selectItemName + ']:disabled');
this.$noResults = this.$drop.find('.ms-no-results');
this.events();
this.updateSelectAll(true);
this.update(true);
if (this.options.isOpen) {
this.open();
}
},
optionToHtml: function (i, elm, group, groupDisabled) {
var that = this,
$elm = $(elm),
multiple = this.options.multiple,
optAttributesToCopy = ['class', 'title'],
clss = $.map(optAttributesToCopy, function (att, i) {
var isMultiple = att === 'class' && multiple;
var attValue = $elm.attr(att) || '';
return (isMultiple || attValue) ?
(' ' + att + '="' + (isMultiple ? ('multiple' + (attValue ? ' ' : '')) : '') + attValue + '"') :
'';
}).join(''),
disabled,
type = this.options.single ? 'radio' : 'checkbox';
if ($elm.is('option')) {
var value = $elm.val(),
text = that.options.textTemplate($elm),
selected = $elm.prop('selected'),
style = this.options.styler(value) ? ' style="' + this.options.styler(value) + '"' : '';
disabled = groupDisabled || $elm.prop('disabled');
if ((this.options.blockSeparator > "") && (this.options.blockSeparator == $elm.val())) {
var li = $(
'<li' + clss + style + '>',
'<label class="' + this.options.blockSeparator + (disabled ? 'disabled' : '') + '">',
'</label>',
'</li>'
);
li.find('label').append(document.createTextNode(text));
return li;
} else {
var li = $(
'<li' + clss + style + '>' +
'<label' + (disabled ? ' class="disabled"' : '') + '>' +
'<input type="' + type + '" ' + this.selectItemName +
(selected ? ' checked="checked"' : '') +
(disabled ? ' disabled="disabled"' : '') +
(group ? ' data-group="' + group + '"' : '') +
'/> ' +
'</label>' +
'</li>');
li.find('input').val(value);
li.find('label').append(document.createTextNode(text));
return li;
}
} else if (!group && $elm.is('optgroup')) {
var _group = 'group_' + i,
label = $elm.attr('label');
disabled = $elm.prop('disabled');
var group = $('<div/>');
group.append(
'<li class="group">' +
'<label class="optgroup' + (disabled ? ' disabled' : '') + '" data-group="' + _group + '">' +
(this.options.hideOptgroupCheckboxes ? '' : '<input type="checkbox" ' + this.selectGroupName +
(disabled ? ' disabled="disabled"' : '') + ' /> ') +
label +
'</label>' +
'</li>');
li.find('label').append(document.createTextNode(text));
$.each($elm.children(), function (i, elm) {
group.append(that.optionToHtml(i, elm, _group, disabled));
});
return group.html();
}
},
events: function () {
var that = this;
function toggleOpen(e) {
e.preventDefault();
that[that.options.isOpen ? 'close' : 'open']();
}
var label = this.$el.parent().closest('label')[0] || $('label[for=' + this.$el.attr('id').split(':').join('\\:') + ']')[0];
if (label) {
$(label).off('click').on('click', function (e) {
if (e.target.nodeName.toLowerCase() !== 'label' || e.target !== this) {
return;
}
toggleOpen(e);
if (!that.options.filter || !that.options.isOpen) {
that.focus();
}
e.stopPropagation(); // Causes lost focus otherwise
});
}
this.$choice.off('click').on('click', toggleOpen)
.off('focus').on('focus', this.options.onFocus)
.off('blur').on('blur', this.options.onBlur);
this.$parent.off('keydown').on('keydown', function (e) {
switch (e.which) {
case 27: // esc key
that.close();
that.$choice.focus();
break;
}
});
this.$searchInput.off('keydown').on('keydown',function (e) {
if (e.keyCode === 9 && e.shiftKey) { // Ensure shift-tab causes lost focus from filter as with clicking away
that.close();
}
}).off('keyup').on('keyup', function (e) {
if (that.options.filterAcceptOnEnter &&
(e.which === 13 || e.which == 32) && // enter or space
that.$searchInput.val() // Avoid selecting/deselecting if no choices made
) {
that.$selectAll.click();
that.close();
that.focus();
return;
}
that.filter();
});
this.$selectAll.off('click').on('click', function () {
var checked = $(this).prop('checked'),
$items = that.$selectItems.filter(':visible');
if ($items.length === that.$selectItems.length) {
that[checked ? 'checkAll' : 'uncheckAll']();
} else { // when the filter option is true
that.$selectGroups.prop('checked', checked);
$items.prop('checked', checked);
that.options[checked ? 'onCheckAll' : 'onUncheckAll']();
that.update();
}
});
this.$selectGroups.off('click').on('click', function () {
var group = $(this).parent().attr('data-group'),
$items = that.$selectItems.filter(':visible'),
$children = $items.filter('[data-group="' + group + '"]'),
checked = $children.length !== $children.filter(':checked').length;
$children.prop('checked', checked);
that.updateSelectAll();
that.update();
that.options.onOptgroupClick({
label: $(this).parent().text(),
checked: checked,
children: $children.get()
});
});
this.$selectItems.off('click').on('click', function () {
that.updateSelectAll();
that.update();
that.updateOptGroupSelect();
that.options.onClick({
label: $(this).parent().text(),
value: $(this).val(),
checked: $(this).prop('checked')
});
if (that.options.single && that.options.isOpen && !that.options.keepOpen) {
that.close();
}
});
},
open: function () {
if (this.$choice.hasClass('disabled')) {
return;
}
this.options.isOpen = true;
this.$choice.find('>div').addClass('open');
this.$drop.show();
// fix filter bug: no results show
this.$selectAll.parent().show();
this.$noResults.hide();
// Fix #77: 'All selected' when no options
if (this.$el.children().length === 0) {
this.$selectAll.parent().hide();
this.$noResults.show();
}
if (this.options.container) {
var offset = this.$drop.offset();
this.$drop.appendTo($(this.options.container));
this.$drop.offset({ top: offset.top, left: offset.left });
}
if (this.options.filter) {
this.$searchInput.val('');
this.$searchInput.focus();
this.filter();
}
this.options.onOpen();
},
close: function () {
this.options.isOpen = false;
this.$choice.find('>div').removeClass('open');
this.$drop.hide();
if (this.options.container) {
this.$parent.append(this.$drop);
this.$drop.css({
'top': 'auto',
'left': 'auto'
});
}
this.options.onClose();
},
update: function (isInit) {
var selects = this.getSelects(),
$span = this.$choice.find('>span');
if (selects.length === 0) {
$span.addClass('placeholder').html(this.options.placeholder);
} else if (this.options.countSelected && selects.length < this.options.minimumCountSelected) {
$span.removeClass('placeholder').text(
(this.options.displayValues ? selects : this.getSelects('text'))
.join(this.options.delimiter));
} else if (this.options.allSelected &&
selects.length === this.$selectItems.length + this.$disableItems.length) {
$span.removeClass('placeholder').html(this.options.allSelected);
} else if ((this.options.countSelected || this.options.etcaetera) && selects.length > this.options.minimumCountSelected) {
if (this.options.etcaetera) {
$span.removeClass('placeholder').text((this.options.displayValues ? selects : this.getSelects('text').slice(0, this.options.minimumCountSelected)).join(this.options.delimiter) + '...');
}
else {
$span.removeClass('placeholder').html(this.options.countSelected
.replace('#', selects.length)
.replace('%', this.$selectItems.length + this.$disableItems.length));
}
} else {
$span.removeClass('placeholder').text(
(this.options.displayValues ? selects : this.getSelects('text'))
.join(this.options.delimiter));
}
if (this.options.addTitle)
$span.prop('title', this.getSelects('text'));
// set selects to select
this.$el.val(this.getSelects());
// add selected class to selected li
this.$drop.find('li').removeClass('selected');
this.$drop.find('input[' + this.selectItemName + ']:checked').each(function () {
$(this).parents('li').first().addClass('selected');
});
// trigger <select> change event
if (!isInit) {
this.$el.trigger('change');
}
},
updateSelectAll: function (Init) {
var $items = this.$selectItems;
if (!Init) { $items = $items.filter(':visible'); }
this.$selectAll.prop('checked', $items.length &&
$items.length === $items.filter(':checked').length);
if (this.$selectAll.prop('checked')) {
this.options.onCheckAll();
}
},
updateOptGroupSelect: function () {
var $items = this.$selectItems.filter(':visible');
$.each(this.$selectGroups, function (i, val) {
var group = $(val).parent().attr('data-group'),
$children = $items.filter('[data-group="' + group + '"]');
$(val).prop('checked', $children.length &&
$children.length === $children.filter(':checked').length);
});
},
//value or text, default: 'value'
getSelects: function (type) {
var that = this,
texts = [],
values = [];
this.$drop.find('input[' + this.selectItemName + ']:checked').each(function () {
texts.push($(this).parents('li').first().text());
values.push($(this).val());
});
if (type === 'text' && this.$selectGroups.length) {
texts = [];
this.$selectGroups.each(function () {
var html = [],
text = $.trim($(this).parent().text()),
group = $(this).parent().data('group'),
$children = that.$drop.find('[' + that.selectItemName + '][data-group="' + group + '"]'),
$selected = $children.filter(':checked');
if ($selected.length === 0) {
return;
}
html.push('[');
html.push(text);
if ($children.length > $selected.length) {
var list = [];
$selected.each(function () {
list.push($(this).parent().text());
});
html.push(': ' + list.join(', '));
}
html.push(']');
texts.push(html.join(''));
});
}
return type === 'text' ? texts : values;
},
setSelects: function (values) {
var that = this;
this.$selectItems.prop('checked', false);
$.each(values, function (i, value) {
that.$selectItems.filter('[value="' + value + '"]').prop('checked', true);
});
this.$selectAll.prop('checked', this.$selectItems.length ===
this.$selectItems.filter(':checked').length);
this.update();
},
enable: function () {
this.$choice.removeClass('disabled');
},
disable: function () {
this.$choice.addClass('disabled');
},
checkAll: function () {
this.$selectItems.prop('checked', true);
this.$selectGroups.prop('checked', true);
this.$selectAll.prop('checked', true);
this.update();
this.options.onCheckAll();
},
uncheckAll: function () {
this.$selectItems.prop('checked', false);
this.$selectGroups.prop('checked', false);
this.$selectAll.prop('checked', false);
this.update();
this.options.onUncheckAll();
},
focus: function () {
this.$choice.focus();
this.options.onFocus();
},
blur: function () {
this.$choice.blur();
this.options.onBlur();
},
refresh: function () {
this.init();
},
filter: function () {
var that = this,
text = $.trim(this.$searchInput.val()).toLowerCase();
if (text.length === 0) {
this.$selectItems.parent().show();
this.$disableItems.parent().show();
this.$selectGroups.parent().show();
} else {
this.$selectItems.each(function () {
var $parent = $(this).parent();
$parent[$parent.text().toLowerCase().indexOf(text) < 0 ? 'hide' : 'show']();
});
this.$disableItems.parent().hide();
this.$selectGroups.each(function () {
var $parent = $(this).parent();
var group = $parent.attr('data-group'),
$items = that.$selectItems.filter(':visible');
$parent[$items.filter('[data-group="' + group + '"]').length === 0 ? 'hide' : 'show']();
});
//Check if no matches found
if (this.$selectItems.filter(':visible').length) {
this.$selectAll.parent().show();
this.$noResults.hide();
} else {
this.$selectAll.parent().hide();
this.$noResults.show();
}
}
this.updateOptGroupSelect();
this.updateSelectAll();
}
};
$.fn.multipleSelect = function () {
var option = arguments[0],
args = arguments,
value,
allowedMethods = [
'getSelects', 'setSelects',
'enable', 'disable',
'checkAll', 'uncheckAll',
'focus', 'blur',
'refresh', 'close'
];
this.each(function () {
var $this = $(this),
data = $this.data('multipleSelect'),
options = $.extend({}, $.fn.multipleSelect.defaults,
$this.data(), typeof option === 'object' && option);
if (!data) {
data = new MultipleSelect($this, options);
$this.data('multipleSelect', data);
}
if (typeof option === 'string') {
if ($.inArray(option, allowedMethods) < 0) {
throw "Unknown method: " + option;
}
value = data[option](args[1]);
} else {
data.init();
if (args[1]) {
value = data[args[1]].apply(data, [].slice.call(args, 2));
}
}
});
return value ? value : this;
};
$.fn.multipleSelect.defaults = {
name: '',
isOpen: false,
placeholder: '',
selectAll: true,
selectAllText: 'Выбрать всё',
selectAllDelimiter: ['[', ']'],
allSelected: 'Выбрано всё',
minimumCountSelected: 3,
countSelected: '# из % выбрано',
noMatchesFound: 'Ничего не найдено',
multiple: false,
multipleWidth: 80,
single: false,
filter: false,
width: undefined,
maxHeight: 250,
container: null,
position: 'bottom',
keepOpen: false,
blockSeparator: '',
displayValues: false,
delimiter: ', ',
addTitle: false,
styler: function () {
return false;
},
textTemplate: function ($elm) {
return $elm.text();
},
onOpen: function () {
return false;
},
onClose: function () {
return false;
},
onCheckAll: function () {
return false;
},
onUncheckAll: function () {
return false;
},
onFocus: function () {
return false;
},
onBlur: function () {
return false;
},
onOptgroupClick: function () {
return false;
},
onClick: function () {
return false;
}
};
})(jQuery);