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(function($){ // Creating the sweetPages jQuery plugin: $.fn.sweetPages = function(opts){ // If no options were passed,create an empty opts object if(!opts) opts = {}; var resultsPerPage = opts.perPage || 3; // The plugin works best for unordered lists,althugh ols would do just as well: var ul = this; var li = ul.find('li'); li.each(function(){ // Calculating the height of each li element,and storing it with the data method: var el = $(this); el.data('height',el.outerHeight(true)); }); // Calculating the total number of pages: var pagesNumber = Math.ceil(li.length/resultsPerPage); // If the pages are less than two,do nothing: if(pagesNumber<2) return this; // Creating the controls div: var swControls = $('<div class="swControls">'); for(var i=0;i<pagesNumber;i++) { // Slice a portion of the lis,and wrap it in a swPage div: li.slice(i*resultsPerPage,(i+1)*resultsPerPage).wrapAll('<div class="swPage" />'); // Adding a link to the swControls div: swControls.append('<a href="" class="swShowPage">'+(i+1)+'</a>'); } ul.append(swControls); var maxHeight = 0; var totalWidth = 0; var swPage = ul.find('.swPage'); swPage.each(function(){ // Looping through all the newly created pages: var elem = $(this); var tmpHeight = 0; elem.find('li').each(function(){tmpHeight+=$(this).data('height');}); if(tmpHeight>maxHeight) maxHeight = tmpHeight; totalWidth+=elem.outerWidth(); elem.css('float','left').width(ul.width()); }); swPage.wrapAll('<div class="swSlider" />'); // Setting the height of the ul to the height of the tallest page: ul.height(maxHeight); var swSlider = ul.find('.swSlider'); swSlider.append('<div class="clear" />').width(totalWidth); var hyperLinks = ul.find('a.swShowPage'); hyperLinks.click(function(e){ // If one of the control links is clicked,slide the swSlider div // (which contains all the pages) and mark it as active: $(this).addClass('active').siblings().removeClass('active'); swSlider.stop().animate({'margin-left':-(parseInt($(this).text())-1)*ul.width()},'slow'); e.preventDefault(); }); // Mark the first link as active the first time this code runs: hyperLinks.eq(0).addClass('active'); // Center the control div: swControls.css({ 'left':'50%','margin-left':-swControls.width()/2 }); return this; }})(jQuery); $(document).ready(function(){ /* The following code is executed once the DOM is loaded */ // Calling the jQuery plugin and splitting the // #holder UL into pages of 3 LIs each: $('#holder').sweetPages({perPage:3}); // The default behavIoUr of the plugin is to insert the // page links in the ul,but we need them in the main container: var controls = $('.swControls').detach(); controls.appendTo('#main'); });
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