--- /dev/null
+/*
+ * sf-Smallscreen v1.3b - Provides small-screen compatibility for the jQuery Superfish plugin.
+ *
+ * Developer's note:
+ * Built as a part of the Superfish project for Drupal (http://drupal.org/project/superfish)
+ * Found any bug? have any cool ideas? contact me right away! http://drupal.org/user/619294/contact
+ *
+ * jQuery version: 1.3.x or higher.
+ *
+ * Dual licensed under the MIT and GPL licenses:
+ * http://www.opensource.org/licenses/mit-license.php
+ * http://www.gnu.org/licenses/gpl.html
+ */
+
+(function($){
+ $.fn.sfsmallscreen = function(options){
+ options = $.extend({
+ mode: 'inactive',
+ type: 'accordion',
+ breakpoint: 768,
+ breakpointUnit: 'px',
+ useragent: '',
+ title: '',
+ addSelected: false,
+ menuClasses: false,
+ hyperlinkClasses: false,
+ excludeClass_menu: '',
+ excludeClass_hyperlink: '',
+ includeClass_menu: '',
+ includeClass_hyperlink: '',
+ accordionButton: 1,
+ expandText: 'Expand',
+ collapseText: 'Collapse'
+ }, options);
+
+ // We need to clean up the menu from anything unnecessary.
+ function refine(menu){
+ var
+ refined = menu.clone(),
+ // Things that should not be in the small-screen menus.
+ rm = refined.find('span.sf-sub-indicator'),
+ // This is a helper class for those who need to add extra markup that shouldn't exist
+ // in the small-screen versions.
+ rh = refined.find('.sf-smallscreen-remove'),
+ // Mega-menus has to be removed too.
+ mm = refined.find('ul.sf-multicolumn');
+ for (var a = 0; a < rh.length; a++){
+ rh.eq(a).replaceWith(rh.eq(a).html());
+ }
+ if (options.accordionButton == 2 || options.type == 'select'){
+ for (var b = 0; b < rm.length; b++){
+ rm.eq(b).remove();
+ }
+ }
+ if (mm.length > 0){
+ mm.removeClass('sf-multicolumn');
+ var ol = refined.find('div.sf-multicolumn-column > ol');
+ for (var o = 0; o < ol.length; o++){
+ ol.eq(o).replaceWith('<ul>' + ol.eq(o).html() + '</ul>');
+ }
+ var elements = ['div.sf-multicolumn-column','.sf-multicolumn-wrapper > ol','li.sf-multicolumn-wrapper'];
+ for (var i = 0; i < elements.length; i++){
+ obj = refined.find(elements[i]);
+ for (var t = 0; t < obj.length; t++){
+ obj.eq(t).replaceWith(obj.eq(t).html());
+ }
+ }
+ refined.find('.sf-multicolumn-column').removeClass('sf-multicolumn-column');
+ }
+ refined.add(refined.find('*')).css({width:''});
+ return refined;
+ }
+
+ // Creating <option> elements out of t
+ function toSelect(menu, level){
+ var
+ items = '',
+ childLI = $(menu).children('li');
+ for (var a = 0; a < childLI.length; a++){
+ var list = childLI.eq(a), parent = list.children('a, span');
+ for (var b = 0; b < parent.length; b++){
+ var
+ item = parent.eq(b),
+ path = item.is('a') ? item.attr('href') : '',
+ // Class names modification.
+ itemClone = item.clone(),
+ classes = (options.hyperlinkClasses) ? ((options.excludeClass_hyperlink && itemClone.hasClass(options.excludeClass_hyperlink)) ? itemClone.removeClass(options.excludeClass_hyperlink).attr('class') : itemClone.attr('class')) : '',
+ classes = (options.includeClass_hyperlink && !itemClone.hasClass(options.includeClass_hyperlink)) ? ((options.hyperlinkClasses) ? itemClone.addClass(options.includeClass_hyperlink).attr('class') : options.includeClass_hyperlink) : classes;
+ // Retaining the active class if requested.
+ if (options.addSelected && item.hasClass('active')){
+ classes += ' active';
+ }
+ // <option> has to be disabled if the item is not a link.
+ disable = item.is('span') || item.attr('href')=='#' ? ' disabled="disabled"' : '',
+ // Crystal clear.
+ subIndicator = 1 < level ? Array(level).join('-') + ' ' : '';
+ // Preparing the <option> element.
+ items += '<option value="' + path + '" class="' + classes + '"' + disable + '>' + subIndicator + $.trim(item.text()) +'</option>',
+ childUL = list.find('> ul');
+ // Using the function for the sub-menu of this item.
+ for (var u = 0; u < childUL.length; u++){
+ items += toSelect(childUL.eq(u), level + 1);
+ }
+ }
+ }
+ return items;
+ }
+
+ // Create the new version, hide the original.
+ function convert(menu){
+ var menuID = menu.attr('id'),
+ // Creating a refined version of the menu.
+ refinedMenu = refine(menu);
+ // Currently the plugin provides two reactions to small screens.
+ // Converting the menu to a <select> element, and converting to an accordion version of the menu.
+ if (options.type == 'accordion'){
+ var
+ toggleID = menuID + '-toggle',
+ accordionID = menuID + '-accordion';
+ // Making sure the accordion does not exist.
+ if ($('#' + accordionID).length == 0){
+ var
+ // Getting the style class.
+ styleClass = menu.attr('class').split(' ').filter(function(item){
+ return item.indexOf('sf-style-') > -1 ? item : '';
+ }),
+ // Creating the accordion.
+ accordion = $(refinedMenu).attr('id', accordionID);
+ // Removing unnecessary classes.
+ accordion.removeClass('sf-horizontal sf-vertical sf-navbar sf-shadow sf-js-enabled');
+ // Adding necessary classes.
+ accordion.addClass('sf-accordion sf-hidden');
+ // Removing style attributes and any unnecessary class.
+ accordion.find('li').each(function(){
+ $(this).removeAttr('style').removeClass('sfHover').attr('id', $(this).attr('id') + '-accordion');
+ });
+ // Doing the same and making sure all the sub-menus are off-screen (hidden).
+ accordion.find('ul').removeAttr('style').not('.sf-hidden').addClass('sf-hidden');
+ // Creating the accordion toggle switch.
+ var toggle = '<div class="sf-accordion-toggle ' + styleClass + '"><a href="#" id="' + toggleID + '"><span>' + options.title + '</span></a></div>';
+
+ // Adding Expand\Collapse buttons if requested.
+ if (options.accordionButton == 2){
+ accordion.addClass('sf-accordion-with-buttons');
+ var parent = accordion.find('li.menuparent');
+ for (var i = 0; i < parent.length; i++){
+ parent.eq(i).prepend('<a href="#" class="sf-accordion-button">' + options.expandText + '</a>');
+ }
+ }
+ // Inserting the according and hiding the original menu.
+ menu.before(toggle).before(accordion).hide();
+
+ var
+ accordionElement = $('#' + accordionID),
+ // Deciding what should be used as accordion buttons.
+ buttonElement = (options.accordionButton < 2) ? 'a.menuparent,span.nolink.menuparent' : 'a.sf-accordion-button',
+ button = accordionElement.find(buttonElement);
+
+ // Attaching a click event to the toggle switch.
+ $('#' + toggleID).on('click', function(e){
+ // Preventing the click.
+ e.preventDefault();
+ // Adding the sf-expanded class.
+ $(this).toggleClass('sf-expanded');
+
+ if (accordionElement.hasClass('sf-expanded')){
+ // If the accordion is already expanded:
+ // Hiding its expanded sub-menus and then the accordion itself as well.
+ accordionElement.add(accordionElement.find('li.sf-expanded')).removeClass('sf-expanded')
+ .end().find('ul').hide()
+ // This is a bit tricky, it's the same trick that has been in use in the main plugin for some time.
+ // Basically we'll add a class that keeps the sub-menu off-screen and still visible,
+ // and make it invisible and removing the class one moment before showing or hiding it.
+ // This helps screen reader software access all the menu items.
+ .end().hide().addClass('sf-hidden').show();
+ // Changing the caption of any existing accordion buttons to 'Expand'.
+ if (options.accordionButton == 2){
+ accordionElement.find('a.sf-accordion-button').text(options.expandText);
+ }
+ }
+ else {
+ // But if it's collapsed,
+ accordionElement.addClass('sf-expanded').hide().removeClass('sf-hidden').show();
+ }
+ });
+
+ // Attaching a click event to the buttons.
+ button.on('click', function(e){
+ // Making sure the buttons does not exist already.
+ if ($(this).closest('li').children('ul').length > 0){
+ e.preventDefault();
+ // Selecting the parent menu items.
+ var parent = $(this).closest('li');
+ // Creating and inserting Expand\Collapse buttons to the parent menu items,
+ // of course only if not already happened.
+ if (options.accordionButton == 1 && parent.children('a.menuparent,span.nolink.menuparent').length > 0 && parent.children('ul').children('li.sf-clone-parent').length == 0){
+ var
+ // Cloning the hyperlink of the parent menu item.
+ cloneLink = parent.children('a.menuparent,span.nolink.menuparent').clone();
+ // Removing unnecessary classes and element(s).
+ cloneLink.removeClass('menuparent sf-with-ul').children('.sf-sub-indicator').remove();
+ // Wrapping the hyerplinks in <li>.
+ cloneLink = $('<li class="sf-clone-parent" />').html(cloneLink);
+ // Adding a helper class and attaching them to the sub-menus.
+ parent.children('ul').addClass('sf-has-clone-parent').prepend(cloneLink);
+ }
+ // Once the button is clicked, collapse the sub-menu if it's expanded.
+ if (parent.hasClass('sf-expanded')){
+ parent.children('ul').slideUp('fast', function(){
+ // Doing the accessibility trick after hiding the sub-menu.
+ $(this).closest('li').removeClass('sf-expanded').end().addClass('sf-hidden').show();
+ });
+ // Changing the caption of the inserted Collapse link to 'Expand', if any is inserted.
+ if (options.accordionButton == 2 && parent.children('.sf-accordion-button').length > 0){
+ parent.children('.sf-accordion-button').text(options.expandText);
+ }
+ }
+ // Otherwise, expand the sub-menu.
+ else {
+ // Doing the accessibility trick and then showing the sub-menu.
+ parent.children('ul').hide().removeClass('sf-hidden').slideDown('fast')
+ // Changing the caption of the inserted Expand link to 'Collape', if any is inserted.
+ .end().addClass('sf-expanded').children('a.sf-accordion-button').text(options.collapseText)
+ // Hiding any expanded sub-menu of the same level.
+ .end().siblings('li.sf-expanded').children('ul')
+ .slideUp('fast', function(){
+ // Doing the accessibility trick after hiding it.
+ $(this).closest('li').removeClass('sf-expanded').end().addClass('sf-hidden').show();
+ })
+ // Assuming Expand\Collapse buttons do exist, resetting captions, in those hidden sub-menus.
+ .parent().children('a.sf-accordion-button').text(options.expandText);
+ }
+ }
+ });
+ }
+ }
+ else {
+ var
+ // Class names modification.
+ menuClone = menu.clone(), classes = (options.menuClasses) ? ((options.excludeClass_menu && menuClone.hasClass(options.excludeClass_menu)) ? menuClone.removeClass(options.excludeClass_menu).attr('class') : menuClone.attr('class')) : '',
+ classes = (options.includeClass_menu && !menuClone.hasClass(options.includeClass_menu)) ? ((options.menuClasses) ? menuClone.addClass(options.includeClass_menu).attr('class') : options.includeClass_menu) : classes,
+ classes = (classes) ? ' class="' + classes + '"' : '';
+
+ // Making sure the <select> element does not exist already.
+ if ($('#' + menuID + '-select').length == 0){
+ // Creating the <option> elements.
+ var newMenu = toSelect(refinedMenu, 1),
+ // Creating the <select> element and assigning an ID and class name.
+ selectList = $('<select class="' + classes + '" id="' + menuID + '-select"/>')
+ // Attaching the title and the items to the <select> element.
+ .html('<option>' + options.title + '</option>' + newMenu)
+ // Attaching an event then.
+ .change(function(){
+ // Except for the first option that is the menu title and not a real menu item.
+ if ($('option:selected', this).index()){
+ window.location = selectList.val();
+ }
+ });
+ // Applying the addSelected option to it.
+ if (options.addSelected){
+ selectList.find('.active').attr('selected', !0);
+ }
+ // Finally inserting the <select> element into the document then hiding the original menu.
+ menu.before(selectList).hide();
+ }
+ }
+ }
+
+ // Turn everything back to normal.
+ function turnBack(menu){
+ var
+ id = '#' + menu.attr('id');
+ // Removing the small screen version.
+ $(id + '-' + options.type).remove();
+ // Removing the accordion toggle switch as well.
+ if (options.type == 'accordion'){
+ $(id + '-toggle').parent('div').remove();
+ }
+ // Crystal clear!
+ $(id).show();
+ }
+
+ // Return original object to support chaining.
+ // Although this is unnecessary because of the way the module uses these plugins.
+ for (var s = 0; s < this.length; s++){
+ var
+ menu = $(this).eq(s),
+ mode = options.mode;
+ // The rest is crystal clear, isn't it? :)
+ if (mode == 'always_active'){
+ convert(menu);
+ }
+ else if (mode == 'window_width'){
+ var breakpoint = (options.breakpointUnit == 'em') ? (options.breakpoint * parseFloat($('body').css('font-size'))) : options.breakpoint,
+ windowWidth = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth,
+ timer;
+ if ((typeof Modernizr === 'undefined' || typeof Modernizr.mq !== 'function') && windowWidth < breakpoint){
+ convert(menu);
+ }
+ else if (typeof Modernizr !== 'undefined' && typeof Modernizr.mq === 'function' && Modernizr.mq('(max-width:' + (breakpoint - 1) + 'px)')) {
+ convert(menu);
+ }
+ $(window).resize(function(){
+ clearTimeout(timer);
+ timer = setTimeout(function(){
+ var windowWidth = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth;
+ if ((typeof Modernizr === 'undefined' || typeof Modernizr.mq !== 'function') && windowWidth < breakpoint){
+ convert(menu);
+ }
+ else if (typeof Modernizr !== 'undefined' && typeof Modernizr.mq === 'function' && Modernizr.mq('(max-width:' + (breakpoint - 1) + 'px)')) {
+ convert(menu);
+ }
+ else {
+ turnBack(menu);
+ }
+ }, 50);
+ });
+ }
+ else if (mode == 'useragent_custom'){
+ if (options.useragent != ''){
+ var ua = RegExp(options.useragent, 'i');
+ if (navigator.userAgent.match(ua)){
+ convert(menu);
+ }
+ }
+ }
+ else if (mode == 'useragent_predefined' && navigator.userAgent.match(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od|ad)|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i)){
+ convert(menu);
+ }
+ }
+ return this;
+ }
+})(jQuery);
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