/*
Copyright (c) 2010 Wesley Nolte

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
;(function($){$.fn.pajinate=function(options){var current_page='current_page';var items_per_page='items_per_page';var meta;var defaults={item_container_id:'.content',items_per_page:10,nav_panel_id:'.page_navigation',num_page_links_to_display:20,start_page:0,wrap_around:false,nav_label_first:'First',nav_label_prev:'Prev',nav_label_next:'Next',nav_label_last:'Last',show_first_last:true};var options=$.extend(defaults,options);var $item_container;var $page_container;var $items;var $nav_panels;var total_page_no_links;return this.each(function(){$page_container=$(this);$item_container=$(this).find(options.item_container_id);$items=$page_container.find(options.item_container_id).children();meta=$page_container;meta.data(current_page,0);meta.data(items_per_page,options.items_per_page);var total_items=$item_container.children().size();var number_of_pages=Math.ceil(total_items/options.items_per_page);var more='<span class="ellipse more">...</span>';var less='<span class="ellipse less">...</span>';var first=!options.show_first_last?'':'<a class="first_link" href="">'+options.nav_label_first+'</a>';var last=!options.show_first_last?'':'<a class="last_link" href="">'+options.nav_label_last+'</a>';var navigation_html=first;navigation_html+='<a class="previous_link" href="">'+options.nav_label_prev+'</a>'+less;var current_link=0;while(number_of_pages>current_link){navigation_html+='<a class="page_link" href="" longdesc="'+current_link+'">'+(current_link+1)+'</a>';current_link++}navigation_html+=more+'<a class="next_link" href="">'+options.nav_label_next+'</a>';navigation_html+=last;$nav_panels=$page_container.find(options.nav_panel_id);$nav_panels.html(navigation_html).each(function(){$(this).find('.page_link:first').addClass('first');$(this).find('.page_link:last').addClass('last')});$nav_panels.children('.ellipse').hide();$nav_panels.find('.previous_link').next().next().addClass('active_page');$items.hide();$items.slice(0,meta.data(items_per_page)).show();total_page_no_links=$page_container.children(options.nav_panel_id+':first').children('.page_link').size();options.num_page_links_to_display=Math.min(options.num_page_links_to_display,total_page_no_links);$nav_panels.children('.page_link').hide();$nav_panels.each(function(){$(this).children('.page_link').slice(0,options.num_page_links_to_display).show()});$page_container.find('.first_link').click(function(e){e.preventDefault();movePageNumbersRight($(this),0);goto(0)});$page_container.find('.last_link').click(function(e){e.preventDefault();var lastPage=total_page_no_links-1;movePageNumbersLeft($(this),lastPage);goto(lastPage)});$page_container.find('.previous_link').click(function(e){e.preventDefault();showPrevPage($(this))});$page_container.find('.next_link').click(function(e){e.preventDefault();showNextPage($(this))});$page_container.find('.page_link').click(function(e){e.preventDefault();goto($(this).attr('longdesc'))});goto(parseInt(options.start_page));toggleMoreLess();if(!options.wrap_around)tagNextPrev()});function showPrevPage(e){new_page=parseInt(meta.data(current_page))-1;if($(e).siblings('.active_page').prev('.page_link').length==true){movePageNumbersRight(e,new_page);goto(new_page)}else if(options.wrap_around){goto(total_page_no_links-1)}};function showNextPage(e){new_page=parseInt(meta.data(current_page))+1;if($(e).siblings('.active_page').next('.page_link').length==true){movePageNumbersLeft(e,new_page);goto(new_page)}else if(options.wrap_around){goto(0)}};function goto(page_num){var ipp=meta.data(items_per_page);var isLastPage=false;start_from=page_num*ipp;end_on=start_from+ipp;$items.hide().slice(start_from,end_on).show();$page_container.find(options.nav_panel_id).children('.page_link[longdesc='+page_num+']').addClass('active_page').siblings('.active_page').removeClass('active_page');meta.data(current_page,page_num);toggleMoreLess();tagNextPrev()};function movePageNumbersLeft(e,new_p){var new_page=new_p;var $current_active_link=$(e).siblings('.active_page');if($current_active_link.siblings('.page_link[longdesc='+new_page+']').css('display')=='none'){$nav_panels.each(function(){$(this).children('.page_link').hide().slice(parseInt(new_page-options.num_page_links_to_display+1),new_page+1).show()})}}function movePageNumbersRight(e,new_p){var new_page=new_p;var $current_active_link=$(e).siblings('.active_page');if($current_active_link.siblings('.page_link[longdesc='+new_page+']').css('display')=='none'){$nav_panels.each(function(){$(this).children('.page_link').hide().slice(new_page,new_page+parseInt(options.num_page_links_to_display)).show()})}}function toggleMoreLess(){if(!$nav_panels.children('.page_link:visible').hasClass('last')){$nav_panels.children('.more').show()}else{$nav_panels.children('.more').hide()}if(!$nav_panels.children('.page_link:visible').hasClass('first')){$nav_panels.children('.less').show()}else{$nav_panels.children('.less').hide()}}function tagNextPrev(){if($nav_panels.children('.last').hasClass('active_page')){$nav_panels.children('.next_link').add('.last_link').addClass('no_more')}else{$nav_panels.children('.next_link').add('.last_link').removeClass('no_more')}if($nav_panels.children('.first').hasClass('active_page')){$nav_panels.children('.previous_link').add('.first_link').addClass('no_more')}else{$nav_panels.children('.previous_link').add('.first_link').removeClass('no_more')}}}})(jQuery);