/*
* MultiSelect v0.9.5
* Copyright (c) 2012 Louis Cuny
*
* This program is free software. It comes without any warranty, to
* the extent permitted by applicable law. You can redistribute it
* and/or modify it under the terms of the Do What The Fuck You Want
* To Public License, Version 2, as published by Sam Hocevar. See
* http://sam.zoy.org/wtfpl/COPYING for more details.
*/
!function ($) {
"use strict"; // jshint ;_;
/* MULTISELECT CLASS DEFINITION
* ====================== */
var MultiSelect = function (element, options) {
this.options = options;
this.$element = $(element);
this.$container = $('<div id="ms-'+this.$element.attr('id')+'" class="ms-container"></div>');
this.$selectableContainer = $('<div class="ms-selectable"></div>');
this.$selectionContainer = $('<div class="ms-selection"></div>');
this.$selectableUl = $('<ul class="ms-list"></ul>');
this.$selectionUl = $('<ul class="ms-list"></ul>');
this.scrollTo = 0;
}
MultiSelect.prototype = {
constructor: MultiSelect,
init: function(){
var that = this,
ms = this.$element;
if (ms.next('.ms-container').length == 0){
ms.css({ position: 'absolute', left: '-9999px' });
ms.attr('id', ms.attr('id') ? ms.attr('id') : 'ms-'+Math.ceil(Math.random()*1000));
var optgroupLabel = null,
optgroupId = null,
optgroupCpt = 0,
scroll = 0,
optgroupContainerTemplate = '<li class="ms-optgroup-container"></li>',
optgroupUlTemplate = '<ul class="ms-optgroup"></ul>',
optgroupLiTemplate = '<li class="ms-optgroup-label"><span></span></li>';
ms.find('optgroup, option').each(function(){
if ($(this).is('optgroup')){
optgroupLabel = '<span>'+$(this).attr('label')+'</span>';
optgroupId = 'ms-'+ms.attr('id')+'-optgroup-'+optgroupCpt;
var optgroup = $(this),
optgroupSelectable = $(optgroupContainerTemplate),
optgroupSelection = $(optgroupContainerTemplate),
optgroupSelectionLi = $(optgroupLiTemplate),
optgroupSelectableLi = $(optgroupLiTemplate);
if (that.options.selectableOptgroup){
optgroupSelectableLi.on('click', function(){
var values = optgroup.children(':not(:selected)').map(function(){ return $(this).val() }).get();
that.select(values);
});
optgroupSelectionLi.on('click', function(){
var values = optgroup.children(':selected').map(function(){ return $(this).val() }).get();
that.deselect(values);
});
}
optgroupSelectableLi.html(optgroupLabel);
optgroupSelectable.attr('id', optgroupId+'-selectable')
.append($(optgroupUlTemplate)
.append(optgroupSelectableLi));
that.$selectableUl.append(optgroupSelectable);
optgroupSelectionLi.html(optgroupLabel);
optgroupSelection.attr('id', optgroupId+'-selection')
.append($(optgroupUlTemplate)
.append(optgroupSelectionLi));
that.$selectionUl.append(optgroupSelection);
optgroupCpt++;
} else {
var attributes = "";
for (var cpt = 0; cpt < this.attributes.length; cpt++){
var attr = this.attributes[cpt];
if(that.isDomNode(attr.name)){
attributes += attr.name+'="'+attr.value+'" ';
}
}
var selectableLi = $('<li '+attributes+'><span>'+$(this).text()+'</span></li>'),
selectedLi = selectableLi.clone();
var value = $(this).val(),
msId = that.sanitize(value);
selectableLi
.data('ms-value', value)
.addClass('ms-elem-selectable')
.attr('id', msId+'-selectable');
selectedLi
.data('ms-value', value)
.addClass('ms-elem-selection')
.attr('id', msId+'-selection')
.hide();
that.$selectionUl.find('.ms-optgroup-label').hide();
if ($(this).prop('disabled') || ms.prop('disabled')){
if (this.selected) {
selectedLi.prop('disabled', true);
selectedLi.addClass(that.options.disabledClass);
} else {
selectableLi.prop('disabled', true);
selectableLi.addClass(that.options.disabledClass);
}
}
if (optgroupId){
that.$selectableUl.children('#'+optgroupId+'-selectable').find('ul').first().append(selectableLi);
that.$selectionUl.children('#'+optgroupId+'-selection').find('ul').first().append(selectedLi);
} else {
that.$selectableUl.append(selectableLi);
that.$selectionUl.append(selectedLi);
}
}
});
if (that.options.selectableHeader)
that.$selectableContainer.append(that.options.selectableHeader);
that.$selectableContainer.append(that.$selectableUl);
if (that.options.selectableFooter)
that.$selectableContainer.append(that.options.selectableFooter);
if (that.options.selectionHeader)
that.$selectionContainer.append(that.options.selectionHeader);
that.$selectionContainer.append(that.$selectionUl);
if (that.options.selectionFooter)
that.$selectionContainer.append(that.options.selectionFooter);
that.$container.append(that.$selectableContainer);
that.$container.append(that.$selectionContainer);
ms.after(that.$container);
that.$selectableUl.on('mouseenter', '.ms-elem-selectable', function(){
$('li', that.$container).removeClass('ms-hover');
$(this).addClass('ms-hover');
}).on('mouseleave', function(){
$('li', that.$container).removeClass('ms-hover');
});
if(that.options.dblClick) {
that.$selectableUl.on('dblclick', '.ms-elem-selectable', function(){
that.select($(this).data('ms-value'));
});
that.$selectionUl.on('dblclick', '.ms-elem-selection', function(){
that.deselect($(this).data('ms-value'));
});
} else {
that.$selectableUl.on('click', '.ms-elem-selectable', function(){
that.select($(this).data('ms-value'));
});
that.$selectionUl.on('click', '.ms-elem-selection', function(){
that.deselect($(this).data('ms-value'));
});
}
that.$selectionUl.on('mouseenter', '.ms-elem-selection', function(){
$('li', that.$selectionUl).removeClass('ms-hover');
$(this).addClass('ms-hover');
}).on('mouseleave', function(){
$('li', that.$selectionUl).removeClass('ms-hover');
});
that.$selectableUl.on('focusin', function(){
$(this).addClass('ms-focus');
that.$selectionUl.focusout();
}).on('focusout', function(){
$(this).removeClass('ms-focus');
$('li', that.$container).removeClass('ms-hover');
});
that.$selectionUl.on('focusin', function(){
$(this).addClass('ms-focus');
}).on('focusout', function(){
$(this).removeClass('ms-focus');
$('li', that.$container).removeClass('ms-hover');
});
ms.on('focusin', function(){
ms.focusout();
that.$selectableUl.focusin();
}).on('focusout', function(){
that.$selectableUl.removeClass('ms-focus');
that.$selectionUl.removeClass('ms-focus');
});
ms.onKeyDown = function(e, keyContainer){
var ul = that.$container.find('.'+keyContainer).find('.ms-list'),
lis = ul.find('li:visible:not(.ms-optgroup-label, .ms-optgroup-container)'),
lisNumber = lis.length,
liFocused = ul.find('li.ms-hover'),
liFocusedIndex = liFocused.length > 0 ? lis.index(liFocused) : -1,
ulHeight = ul.innerHeight(),
liHeight = lis.first().outerHeight(true),
numberOfLisDisplayed = Math.floor(ulHeight / liHeight);
if (e.keyCode == 32){ // space
if (liFocused.length >0){
var method = keyContainer == 'ms-selectable' ? 'select' : 'deselect';
if (keyContainer == 'ms-selectable'){
that.select(liFocused.data('ms-value'));
} else {
that.deselect(liFocused.data('ms-value'));
}
lis.removeClass('ms-hover');
that.scrollTo = 0;
ul.scrollTop(that.scrollTo);
}
} else if (e.keyCode == 40){ // Down
if (lis.length > 0){
var nextLiIndex = liFocusedIndex+1,
nextLi = (lisNumber != nextLiIndex) ? lis.eq(nextLiIndex) : lis.first(),
ulPosition = ul.position().top,
nextLiPosition = nextLi.position().top;
lis.removeClass('ms-hover');
nextLi.addClass('ms-hover');
if (lisNumber == nextLiIndex){
that.scrollTo = 0;
} else if (nextLiPosition >= (ulPosition + (numberOfLisDisplayed * liHeight))){
that.scrollTo += liHeight;
}
ul.scrollTop(that.scrollTo);
}
} else if (e.keyCode == 38){ // Up
if (lis.length > 0){
var prevLiIndex = Math.max(liFocusedIndex-1, -1),
prevLi = lis.eq(prevLiIndex),
ulPosition = ul.position().top,
prevLiPosition = prevLi.position().top;
lis.removeClass('ms-hover');
prevLi.addClass('ms-hover');
if (prevLiPosition <= ulPosition){
that.scrollTo -= liHeight;
} else if (prevLiIndex < 0){
that.scrollTo = (lisNumber - numberOfLisDisplayed) * liHeight;
}
ul.scrollTop(that.scrollTo);
}
} else if (e.keyCode == 37 || e.keyCode == 39){
if (that.$selectableUl.hasClass('ms-focus')){
that.$selectableUl.focusout();
that.$selectionUl.focusin();
} else {
that.$selectableUl.focusin();
that.$selectionUl.focusout();
}
}
}
ms.on('keydown', function(e){
if (ms.is(':focus')){
var keyContainer = that.$selectableUl.hasClass('ms-focus') ? 'ms-selectable' : 'ms-selection';
ms.onKeyDown(e, keyContainer);
}
});
}
var selectedValues = ms.find('option:selected').map(function(){ return $(this).val() }).get();
that.select(selectedValues, 'init')
if (typeof that.options.afterInit == 'function') {
that.options.afterInit.call(this, this.$container);
}
},
'refresh' : function() {
$("#ms-"+this.$element.attr("id")).remove();
this.init(this.options);
},
'select' : function(value, method){
if (typeof value == 'string')
value = [value]
var that = this,
ms = this.$element,
msIds = $.map(value, function(val, index){ return(that.sanitize(val)) }),
selectables = this.$selectableUl.find('#' + msIds.join('-selectable, #')+'-selectable').filter(':not(.'+that.options.disabledClass+')'),
selections = this.$selectionUl.find('#' + msIds.join('-selection, #') + '-selection'),
options = ms.find('option').filter(function(index){ return($.inArray(this.value, value) > -1) });
if (selectables.length > 0){
selectables.addClass('ms-selected').hide();
selections.addClass('ms-selected').show();
options.prop('selected', true);
var selectableOptgroups = that.$selectableUl.children('.ms-optgroup-container');
if (selectableOptgroups.length > 0){
selectableOptgroups.each(function(){
var selectablesLi = $(this).find('.ms-elem-selectable');
if (selectablesLi.length == selectablesLi.filter('.ms-selected').length){
$(this).find('.ms-optgroup-label').hide();
}
});
var selectionOptgroups = that.$selectionUl.children('.ms-optgroup-container');
selectionOptgroups.each(function(){
var selectionsLi = $(this).find('.ms-elem-selection');
if (selectionsLi.filter('.ms-selected').length > 0){
$(this).find('.ms-optgroup-label').show();
}
});
}
if (method != 'init'){
that.$selectionUl.focusout();
that.$selectableUl.focusin();
ms.trigger('change');
if (typeof that.options.afterSelect == 'function') {
that.options.afterSelect.call(this, value);
}
}
}
},
'deselect' : function(value){
if (typeof value == 'string')
value = [value]
var that = this,
ms = this.$element,
msIds = $.map(value, function(val, index){ return(that.sanitize(val)) }),
selectables = this.$selectableUl.find('#' + msIds.join('-selectable, #')+'-selectable'),
selections = this.$selectionUl.find('#' + msIds.join('-selection, #')+'-selection').filter('.ms-selected'),
options = ms.find('option').filter(function(index){ return($.inArray(this.value, value) > -1) });
if (selections.length > 0){
selectables.removeClass('ms-selected').show();
selections.removeClass('ms-selected').hide();
options.prop('selected', false);
var selectableOptgroups = that.$selectableUl.children('.ms-optgroup-container');
if (selectableOptgroups.length > 0){
selectableOptgroups.each(function(){
var selectablesLi = $(this).find('.ms-elem-selectable');
if (selectablesLi.filter(':not(.ms-selected)').length > 0){
$(this).find('.ms-optgroup-label').show();
}
});
var selectionOptgroups = that.$selectionUl.children('.ms-optgroup-container');
selectionOptgroups.each(function(){
var selectionsLi = $(this).find('.ms-elem-selection');
if (selectionsLi.filter('.ms-selected').length == 0){
$(this).find('.ms-optgroup-label').hide();
}
});
}
this.$selectableUl.focusout();
this.$selectionUl.focusin();
ms.trigger('change');
if (typeof that.options.afterDeselect == 'function') {
that.options.afterDeselect.call(this, value);
}
}
},
'select_all' : function(){
var ms = this.$element,
values = ms.val();
ms.find('option').prop('selected', true);
this.$selectableUl.find('.ms-elem-selectable').addClass('ms-selected').hide();
this.$selectionUl.find('.ms-optgroup-label').show();
this.$selectableUl.find('.ms-optgroup-label').hide();
this.$selectionUl.find('.ms-elem-selection').addClass('ms-selected').show();
this.$selectionUl.focusin();
this.$selectableUl.focusout();
ms.trigger('change');
if (typeof this.options.afterSelect == 'function') {
var selectedValues = $.grep(ms.val(), function(item){
return $.inArray(item, values) < 0;
});
this.options.afterSelect.call(this, selectedValues);
}
},
'deselect_all' : function(){
var ms = this.$element,
values = ms.val();
ms.find('option').prop('selected', false);
this.$selectableUl.find('.ms-elem-selectable').removeClass('ms-selected').show();
this.$selectionUl.find('.ms-optgroup-label').hide();
this.$selectableUl.find('.ms-optgroup-label').show();
this.$selectionUl.find('.ms-elem-selection').removeClass('ms-selected').hide();
this.$selectableUl.focusin();
this.$selectionUl.focusout();
ms.trigger('change');
if (typeof this.options.afterDeselect == 'function') {
this.options.afterDeselect.call(this, values);
}
},
isDomNode: function (attr){
return (
attr &&
typeof attr === "object" &&
typeof attr.nodeType === "number" &&
typeof attr.nodeName === "string"
);
},
sanitize: function(value){
return(value.replace(/[^A-Za-z0-9]*/gi, '_'));
}
}
/* MULTISELECT PLUGIN DEFINITION
* ======================= */
$.fn.multiSelect = function () {
var option = arguments[0],
args = arguments;
return this.each(function () {
var $this = $(this),
data = $this.data('multiselect'),
options = $.extend({}, $.fn.multiSelect.defaults, $this.data(), typeof option == 'object' && option);
if (!data) $this.data('multiselect', (data = new MultiSelect(this, options)))
if (typeof option == 'string'){
data[option](args[1])
} else {
data.init();
}
})
}
$.fn.multiSelect.defaults = {
selectableOptgroup: false,
disabledClass : 'disabled',
dblClick : false
}
$.fn.multiSelect.Constructor = MultiSelect
}(window.jQuery);
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