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- /**
- * Display a nice easy to use multiselect list
- * @Version: 2.3.0
- * @Author: Patrick Springstubbe
- * @Contact: @JediNobleclem
- * @Website: springstubbe.us
- * @Source: https://github.com/nobleclem/jQuery-MultiSelect
- * @Notes: If select list is hidden on page load use the jquery.actual plugin
- * to resolve issues with preselected items placeholder text
- * https://github.com/dreamerslab/jquery.actual
- *
- * Usage:
- * $('select[multiple]').multiselect();
- * $('select[multiple]').multiselect({ texts: { placeholder: 'Select options' } });
- * $('select[multiple]').multiselect('reload');
- * $('select[multiple]').multiselect( 'loadOptions', [{
- * name : 'Option Name 1',
- * value : 'option-value-1',
- * checked: false,
- * attributes : {
- * custom1: 'value1',
- * custom2: 'value2'
- * }
- * },{
- * name : 'Option Name 2',
- * value : 'option-value-2',
- * checked: false,
- * attributes : {
- * custom1: 'value1',
- * custom2: 'value2'
- * }
- * }]);
- *
- **/
- (function($){
- var defaults = {
- columns : 1, // how many columns should be use to show options
- search : false, // include option search box
- // search filter options
- searchOptions : {
- showOptGroups: false, // show option group titles if no options remaining
- onSearch : function( element ){} // fires on keyup before search on options happens
- },
- texts: {
- placeholder: 'Select options', // text to use in dummy input
- search: 'Search', // search input placeholder text
- selectedOptions: ' selected', // selected suffix text
- selectAll: 'Select all', // select all text
- deselectAll: 'Deselect all', // select all text
- noneSelected: 'None Selected' // None selected text
- },
- selectAll : false, // add select all option
- selectGroup : false, // select entire optgroup
- minHeight : 200, // minimum height of option overlay
- maxHeight : null, // maximum height of option overlay
- showCheckbox : true, // display the checkbox to the user
- jqActualOpts : {}, // options for jquery.actual
- optionAttributes: [], // attributes to copy to the checkbox from the option element
- // Callbacks
- onLoad : function( element ) {}, // fires at end of list initialization
- onOptionClick : function( element, option ){}, // fires when an option is clicked
- onControlClose: function( element ){}, // fires when the options list is closed
- // @NOTE: these are for future development
- maxWidth : null, // maximum width of option overlay (or selector)
- minSelect : false, // minimum number of items that can be selected
- maxSelect : false, // maximum number of items that can be selected
- };
- var msCounter = 1;
- // FOR LEGACY BROWSERS (talking to you IE8)
- if( typeof Array.prototype.map !== 'function' ) {
- Array.prototype.map = function( callback, thisArg ) {
- if( typeof thisArg === 'undefined' ) {
- thisArg = this;
- }
- return Array.isArray( thisArg ) ? $.map( thisArg, callback ) : [];
- };
- }
- if( typeof String.prototype.trim !== 'function' ) {
- String.prototype.trim = function() {
- return this.replace(/^\s+|\s+$/g, '');
- }
- }
- function MultiSelect( element, options )
- {
- this.element = element;
- this.options = $.extend( true, {}, defaults, options );
- /** BACKWARDS COMPATIBILITY **/
- if( 'placeholder' in this.options ) {
- this.options.texts.placeholder = this.options.placeholder;
- delete this.options.placeholder;
- }
- if( 'default' in this.options.searchOptions ) {
- this.options.texts.search = this.options.searchOptions['default'];
- delete this.options.searchOptions['default'];
- }
- /** END BACKWARDS COMPATIBILITY **/
- // load this instance
- this.load();
- }
- MultiSelect.prototype = {
- /* LOAD CUSTOM MULTISELECT DOM/ACTIONS */
- load: function() {
- var instance = this;
- // make sure this is a select list and not loaded
- if( (instance.element.nodeName != 'SELECT') || $(instance.element).hasClass('jqmsLoaded') ) {
- return true;
- }
- // sanity check so we don't double load on a select element
- $(instance.element).addClass('jqmsLoaded').data( 'plugin_multiselect-instance', instance );
- // add option container
- $(instance.element).after('<div class="ms-options-wrap"><button>None Selected</button><div class="ms-options"><ul></ul></div></div>');
- var placeholder = $(instance.element).next('.ms-options-wrap').find('> button:first-child');
- var optionsWrap = $(instance.element).next('.ms-options-wrap').find('> .ms-options');
- var optionsList = optionsWrap.find('> ul');
- var hasOptGroup = $(instance.element).find('optgroup').length ? true : false;
- // don't show checkbox (add class for css to hide checkboxes)
- if( !instance.options.showCheckbox ) {
- optionsWrap.addClass('hide-checkbox');
- }
- // determine maxWidth
- var maxWidth = null;
- if( typeof instance.options.width == 'number' ) {
- optionsWrap.parent().css( 'position', 'relative' );
- maxWidth = instance.options.width;
- }
- else if( typeof instance.options.width == 'string' ) {
- $( instance.options.width ).css( 'position', 'relative' );
- maxWidth = '100%';
- }
- else {
- optionsWrap.parent().css( 'position', 'relative' );
- }
- // cacl default maxHeight
- var maxHeight = ($(window).height() - optionsWrap.offset().top + $(window).scrollTop() - 20);
- // override with user defined maxHeight
- if( instance.options.maxHeight ) {
- maxHeight = instance.options.maxHeight;
- }
- // maxHeight cannot be less than options.minHeight
- maxHeight = maxHeight < instance.options.minHeight ? instance.options.minHeight : maxHeight;
- optionsWrap.css({
- maxWidth : maxWidth,
- minHeight: instance.options.minHeight,
- maxHeight: maxHeight,
- overflow : 'auto'
- }).hide();
- // isolate options scroll
- // @source: https://github.com/nobleclem/jQuery-IsolatedScroll
- optionsWrap.bind( 'touchmove mousewheel DOMMouseScroll', function ( e ) {
- if( ($(this).outerHeight() < $(this)[0].scrollHeight) ) {
- var e0 = e.originalEvent,
- delta = e0.wheelDelta || -e0.detail;
- if( ($(this).outerHeight() + $(this)[0].scrollTop) > $(this)[0].scrollHeight ) {
- e.preventDefault();
- this.scrollTop += ( delta < 0 ? 1 : -1 );
- }
- }
- });
- // hide options menus if click happens off of the list placeholder button
- $(document).off('click.ms-hideopts').on('click.ms-hideopts', function( event ){
- if( !$(event.target).closest('.ms-options-wrap').length ) {
- if( $('.ms-options-wrap > .ms-options:visible').length ) {
- $('.ms-options-wrap > .ms-options:visible').each(function(){
- $(this).hide();
- var thisInst = $(this).parent().prev('.jqmsLoaded').data('plugin_multiselect-instance');
- // USER CALLBACK
- if( typeof thisInst.options.onControlClose == 'function' ) {
- thisInst.options.onControlClose( thisInst.element );
- }
- });
- }
- }
- });
- // disable button action
- placeholder.bind('mousedown',function( event ){
- // ignore if its not a left click
- if( event.which != 1 ) {
- return true;
- }
- // hide other menus before showing this one
- $('.ms-options-wrap > .ms-options:visible').each(function(){
- if( $(this).parent().prev()[0] != optionsWrap.parent().prev()[0] ) {
- $(this).hide();
- }
- });
- // show/hide options
- optionsWrap.toggle();
- // recalculate height
- if( optionsWrap.is(':visible') ) {
- optionsWrap.css( 'maxHeight', '' );
- // cacl default maxHeight
- var maxHeight = ($(window).height() - optionsWrap.offset().top + $(window).scrollTop() - 20);
- // override with user defined maxHeight
- if( instance.options.maxHeight ) {
- maxHeight = instance.options.maxHeight;
- }
- // maxHeight cannot be less than options.minHeight
- maxHeight = maxHeight < instance.options.minHeight ? instance.options.minHeight : maxHeight;
- optionsWrap.css( 'maxHeight', maxHeight );
- }
- }).click(function( event ){ event.preventDefault(); });
- // add placeholder copy
- if( instance.options.texts.placeholder ) {
- placeholder.text( instance.options.texts.placeholder );
- }
- // add search box
- if( instance.options.search ) {
- optionsList.before('<div class="ms-search"><input type="text" value="" placeholder="'+ instance.options.texts.search +'" /></div>');
- var search = optionsWrap.find('.ms-search input');
- search.on('keyup', function(){
- // ignore keystrokes that don't make a difference
- if( $(this).data('lastsearch') == $(this).val() ) {
- return true;
- }
- $(this).data('lastsearch', $(this).val() );
- // USER CALLBACK
- if( typeof instance.options.searchOptions.onSearch == 'function' ) {
- instance.options.searchOptions.onSearch( instance.element );
- }
- // search non optgroup li's
- optionsList.find('li:not(.optgroup)').each(function(){
- var optText = $(this).text();
- // show option if string exists
- if( optText.toLowerCase().indexOf( search.val().toLowerCase() ) > -1 ) {
- $(this).show();
- }
- // don't hide selected items
- else if( !$(this).hasClass('selected') ) {
- $(this).hide();
- }
- // hide / show optgroups depending on if options within it are visible
- if( !instance.options.searchOptions.showOptGroups && $(this).closest('li.optgroup') ) {
- $(this).closest('li.optgroup').show();
- if( $(this).closest('li.optgroup').find('li:visible').length ) {
- $(this).closest('li.optgroup').show();
- }
- else {
- $(this).closest('li.optgroup').hide();
- }
- }
- });
- });
- }
- // handle select all option
- optionsWrap.on('click', '.ms-selectall', function( event ){
- event.preventDefault();
- if( $(this).hasClass('global') ) {
- // check if any selected if so then select them
- if( optionsList.find('li:not(.optgroup)').filter(':not(.selected)').filter(':visible').length ) {
- optionsList.find('li:not(.optgroup)').filter(':not(.selected)').filter(':visible').find('input[type="checkbox"]').trigger('click');
- $(this).html( instance.options.texts.deselectAll );
- }
- // deselect everything
- else {
- optionsList.find('li:not(.optgroup).selected:visible input[type="checkbox"]').trigger('click');
- $(this).html( instance.options.texts.selectAll );
- }
- }
- else if( $(this).closest('li').hasClass('optgroup') ) {
- var optgroup = $(this).closest('li.optgroup');
- // check if any selected if so then select them
- if( optgroup.find('li:not(.selected)').filter(':visible').length ) {
- optgroup.find('li:not(.selected):visible input[type="checkbox"]').trigger('click');
- }
- // deselect everything
- else {
- optgroup.find('li.selected:visible input[type="checkbox"]').trigger('click');
- }
- }
- });
- // add options to wrapper
- var options = [];
- $(instance.element).children().each(function(){
- if( this.nodeName == 'OPTGROUP' ) {
- var groupOptions = [];
- $(this).children('option').each(function(){
- var thisOptionAtts = {};
- for( var i = 0; i < instance.options.optionAttributes.length; i++ ) {
- var thisOptAttr = instance.options.optionAttributes[ i ];
- if( $(this).attr( thisOptAttr ) !== undefined ) {
- thisOptionAtts[ thisOptAttr ] = $(this).attr( thisOptAttr );
- }
- }
- groupOptions.push({
- name : $(this).text(),
- value : $(this).val(),
- checked: $(this).prop( 'selected' ),
- attributes: thisOptionAtts
- });
- });
- options.push({
- label : $(this).attr('label'),
- options: groupOptions
- });
- }
- else if( this.nodeName == 'OPTION' ) {
- var thisOptionAtts = {};
- for( var i = 0; i < instance.options.optionAttributes.length; i++ ) {
- var thisOptAttr = instance.options.optionAttributes[ i ];
- if( $(this).attr( thisOptAttr ) !== undefined ) {
- thisOptionAtts[ thisOptAttr ] = $(this).attr( thisOptAttr );
- }
- }
- options.push({
- name : $(this).text(),
- value : $(this).val(),
- checked : $(this).prop( 'selected' ),
- attributes: thisOptionAtts
- });
- }
- else {
- // bad option
- return true;
- }
- });
- instance.loadOptions( options, true, false );
- // BIND SELECT ACTION
- optionsWrap.on( 'click', 'input[type="checkbox"]', function(){
- $(this).closest( 'li' ).toggleClass( 'selected' );
- var select = optionsWrap.parent().prev();
- // toggle clicked option
- select.find('option[value="'+ $(this).val() +'"]').prop(
- 'selected', $(this).is(':checked')
- ).closest('select').trigger('change');
- // USER CALLBACK
- if( typeof instance.options.onOptionClick == 'function' ) {
- instance.options.onOptionClick(instance.element, this);
- }
- instance._updatePlaceholderText();
- });
- // BIND FOCUS EVENT
- optionsWrap.on('focusin', 'input[type="checkbox"]', function(){
- $(this).closest('label').addClass('focused');
- }).on('focusout', 'input[type="checkbox"]', function(){
- $(this).closest('label').removeClass('focused');
- });
- // USER CALLBACK
- if( typeof instance.options.onLoad === 'function' ) {
- instance.options.onLoad( instance.element );
- }
- // hide native select list
- $(instance.element).hide();
- },
- /* LOAD SELECT OPTIONS */
- loadOptions: function( options, overwrite, updateSelect ) {
- overwrite = (typeof overwrite == 'boolean') ? overwrite : true;
- updateSelect = (typeof updateSelect == 'boolean') ? updateSelect : true;
- var instance = this;
- var optionsList = $(instance.element).next('.ms-options-wrap').find('> .ms-options > ul');
- var optionsWrap = $(instance.element).next('.ms-options-wrap').find('> .ms-options');
- var select = optionsWrap.parent().prev();
- if( overwrite ) {
- optionsList.find('> li').remove();
- if( updateSelect ) {
- select.find('> *').remove();
- }
- }
- for( var key in options ) {
- // Prevent prototype methods injected into options from being iterated over.
- if( !options.hasOwnProperty( key ) ) {
- continue;
- }
- var thisOption = options[ key ];
- var container = $('<li></li>');
- var appendContainer = true;
- // OPTGROUP
- if( thisOption.hasOwnProperty('options') ) {
- optionsList.find('> li.optgroup > span.label').each(function(){
- if( $(this).text() == thisOption.label ) {
- container = $(this).closest('.optgroup');
- appendContainer = false;
- }
- });
- // prepare to append optgroup to select element
- if( updateSelect ) {
- if( select.find('optgroup[label="'+ thisOption.label +'"]').length ) {
- var optGroup = select.find('optgroup[label="'+ thisOption.label +'"]');
- }
- else {
- var optGroup = $('<optgroup label="'+ thisOption.label +'"></optgroup>');
- select.append( optGroup );
- }
- }
- // setup container
- if( appendContainer ) {
- container.addClass('optgroup');
- container.append('<span class="label">'+ thisOption.label +'</span>');
- container.find('> .label').css({
- clear: 'both'
- });
- // add select all link
- if( instance.options.selectGroup ) {
- container.append('<a href="#" class="ms-selectall">' + instance.options.texts.selectAll + '</a>')
- }
- container.append('<ul></ul>');
- }
- for( var gKey in thisOption.options ) {
- // Prevent prototype methods injected into options from
- // being iterated over.
- if( !thisOption.options.hasOwnProperty( gKey ) ) {
- continue;
- }
- var thisGOption = thisOption.options[ gKey ];
- var gContainer = $('<li></li>').addClass('ms-reflow');
- instance._addOption( gContainer, thisGOption );
- container.find('> ul').append( gContainer );
- // add option to optgroup in select element
- if( updateSelect ) {
- var selOption = $('<option value="'+ thisGOption.value +'">'+ thisGOption.name +'</option>');
- // add custom user attributes
- if( thisGOption.hasOwnProperty('attributes') && Object.keys( thisGOption.attributes ).length ) {
- //selOption.attr( thisGOption.attributes );
- }
- // mark option as selected
- if( thisGOption.checked ) {
- selOption.prop( 'selected', true );
- }
- optGroup.append( selOption );
- }
- }
- }
- // OPTION
- else if( thisOption.hasOwnProperty('value') ) {
- container.addClass('ms-reflow')
- // add option to ms dropdown
- instance._addOption( container, thisOption );
- if( updateSelect ) {
- var selOption = $('<option value="'+ thisOption.value +'">'+ thisOption.name +'</option>');
- // add custom user attributes
- if( thisOption.hasOwnProperty('attributes') && Object.keys( thisOption.attributes ).length ) {
- selOption.attr( thisOption.attributes );
- }
- // mark option as selected
- if( thisOption.checked ) {
- selOption.prop( 'selected', true );
- }
- select.append( selOption );
- }
- }
- if( appendContainer ) {
- optionsList.append( container );
- }
- }
- optionsList.find('.ms-reflow input[type="checkbox"]').each(function( idx ){
- if( $(this).css('display').match(/block$/) ) {
- var checkboxWidth = $(this).outerWidth();
- checkboxWidth = checkboxWidth ? checkboxWidth : 15;
- $(this).closest('label').css(
- 'padding-left',
- (parseInt( $(this).closest('label').css('padding-left') ) * 2) + checkboxWidth
- );
- $(this).closest('.ms-reflow').removeClass('ms-reflow');
- }
- });
-
- // add global select all options
- if( instance.options.selectAll ) {
- optionsList.parent().find('.ms-selectall').remove();
- if ( 0 === optionsList.find('li:not(.selected)').length ) {
- optionsList.before('<a href="#" class="ms-selectall global">' + instance.options.texts.deselectAll + '</a>');
- }
- else {
- optionsList.before('<a href="#" class="ms-selectall global">' + instance.options.texts.selectAll + '</a>');
- }
- }
- // update placeholder text
- instance._updatePlaceholderText();
- // RESET COLUMN STYLES
- optionsWrap.find('ul').css({
- 'column-count' : '',
- 'column-gap' : '',
- '-webkit-column-count': '',
- '-webkit-column-gap' : '',
- '-moz-column-count' : '',
- '-moz-column-gap' : ''
- });
- // COLUMNIZE
- if( select.find('optgroup').length ) {
- // float non grouped options
- optionsList.find('> li:not(.optgroup)').css({
- 'float': 'left',
- width: (100 / instance.options.columns) +'%'
- });
- // add CSS3 column styles
- optionsList.find('li.optgroup').css({
- clear: 'both'
- }).find('> ul').css({
- 'column-count' : instance.options.columns,
- 'column-gap' : 0,
- '-webkit-column-count': instance.options.columns,
- '-webkit-column-gap' : 0,
- '-moz-column-count' : instance.options.columns,
- '-moz-column-gap' : 0
- });
- // for crappy IE versions float grouped options
- if( this._ieVersion() && (this._ieVersion() < 10) ) {
- optionsList.find('li.optgroup > ul > li').css({
- 'float': 'left',
- width: (100 / instance.options.columns) +'%'
- });
- }
- }
- else {
- // add CSS3 column styles
- optionsList.css({
- 'column-count' : instance.options.columns,
- 'column-gap' : 0,
- '-webkit-column-count': instance.options.columns,
- '-webkit-column-gap' : 0,
- '-moz-column-count' : instance.options.columns,
- '-moz-column-gap' : 0
- });
- // for crappy IE versions float grouped options
- if( this._ieVersion() && (this._ieVersion() < 10) ) {
- optionsList.find('> li').css({
- 'float': 'left',
- width: (100 / instance.options.columns) +'%'
- });
- }
- }
- },
- /* RESET THE DOM */
- unload: function() {
- $(this.element).next('.ms-options-wrap').remove();
- $(this.element).show(function(){
- $(this).css('display','').removeClass('jqmsLoaded');
- });
- },
- /* RELOAD JQ MULTISELECT LIST */
- reload: function() {
- // remove existing options
- $(this.element).next('.ms-options-wrap').remove();
- $(this.element).removeClass('jqmsLoaded');
- // load element
- this.load();
- },
- /** PRIVATE FUNCTIONS **/
- // update selected placeholder text
- _updatePlaceholderText: function(){
- var instance = this;
- var placeholder = $(instance.element).next('.ms-options-wrap').find('> button:first-child');
- var optionsWrap = $(instance.element).next('.ms-options-wrap').find('> .ms-options');
- var select = optionsWrap.parent().prev();
- // get selected options
- var selOpts = [];
- select.find('option:selected').each(function(){
- selOpts.push( $(this).text() );
- });
- // UPDATE PLACEHOLDER TEXT WITH OPTIONS SELECTED
- placeholder.text( selOpts.join( ', ' ) );
- var copy = placeholder.clone().css({
- display : 'inline',
- width : 'auto',
- visibility: 'hidden'
- }).appendTo( optionsWrap.parent() );
- // if the jquery.actual plugin is loaded use it to get the widths
- var copyWidth = (typeof $.fn.actual !== 'undefined') ? copy.actual( 'width', instance.options.jqActualOpts ) : copy.width();
- var placeWidth = (typeof $.fn.actual !== 'undefined') ? placeholder.actual( 'width', instance.options.jqActualOpts ) : placeholder.width();
- // if copy is larger than button width use "# selected"
- if( copyWidth > placeWidth ) {
- placeholder.text( selOpts.length + ' ' + instance.options.texts.selectedOptions );
- }
- // if options selected then use those
- else if( selOpts.length ) {
- // trim each element in case of extra spaces
- placeholder.text(
- selOpts.map(function( element ){
- return element.trim();
- }).join(', ')
- );
- }
- // replace placeholder text
- else {
- placeholder.text( instance.options.texts.placeholder );
- }
- // remove dummy element
- copy.remove();
- },
- // Add option to the custom dom list
- _addOption: function( container, option ) {
- container.text( option.name );
- var thisCheckbox = $('<input type="checkbox" value="" title="" />')
- .val( option.value )
- .attr( 'title', option.name )
- .attr( 'id', 'ms-opt-'+ msCounter );
- // add user defined attributes
- if( option.hasOwnProperty('attributes') && Object.keys( option.attributes ).length ) {
- thisCheckbox.attr( option.attributes );
- }
- container.prepend( thisCheckbox );
- if( option.checked ) {
- container.addClass('default');
- container.addClass('selected');
- container.find( 'input[type="checkbox"]' ).prop( 'checked', true );
- }
- var label = $('<label></label>').attr( 'for', 'ms-opt-'+ msCounter );
- container.wrapInner( label );
- msCounter = msCounter + 1;
- },
- // check ie version
- _ieVersion: function() {
- var myNav = navigator.userAgent.toLowerCase();
- return (myNav.indexOf('msie') != -1) ? parseInt(myNav.split('msie')[1]) : false;
- }
- };
- // ENABLE JQUERY PLUGIN FUNCTION
- $.fn.multiselect = function( options ){
- var args = arguments;
- var ret;
- // menuize each list
- if( (options === undefined) || (typeof options === 'object') ) {
- return this.each(function(){
- if( !$.data( this, 'plugin_multiselect' ) ) {
- $.data( this, 'plugin_multiselect', new MultiSelect( this, options ) );
- }
- });
- } else if( (typeof options === 'string') && (options[0] !== '_') && (options !== 'init') ) {
- this.each(function(){
- var instance = $.data( this, 'plugin_multiselect' );
- if( instance instanceof MultiSelect && typeof instance[ options ] === 'function' ) {
- ret = instance[ options ].apply( instance, Array.prototype.slice.call( args, 1 ) );
- }
- // special destruct handler
- if( options === 'unload' ) {
- $.data( this, 'plugin_multiselect', null );
- }
- });
- return ret;
- }
- };
- }(jQuery));
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