;
(function($) { /*******************************************************************************************/
// jquery.pajinate.js - version 0.4
// A jQuery plugin for paginating through any number of DOM elements
//
// Copyright (c) 2010, Wes Nolte (http://wesnolte.com)
// Licensed under the MIT License (MIT-LICENSE.txt)
// http://www.opensource.org/licenses/mit-license.php
// Created: 2010-04-16 | Updated: 2010-04-26
//
/*******************************************************************************************/
$.fn.pajinate = function(options) {
// Set some state information
var current_page = 'current_page';
var items_per_page = 'items_per_page';
var meta;
// Setup default option values
var defaults = {
item_container_id: '.content',
items_per_page: 10,
nav_panel_id: '.page_navigation',
nav_info_id: '.info_text',
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',
nav_order: ["first", "prev", "num", "next", "last"],
nav_label_info: 'Showing {0}-{1} of {2} results',
show_first_last: true,
abort_on_small_lists: false,
jquery_ui: false,
jquery_ui_active: "ui-state-highlight",
jquery_ui_default: "ui-state-default",
jquery_ui_disabled: "ui-state-disabled"
};
var options = $.extend(defaults, options);
var $item_container;
var $page_container;
var $items;
var $nav_panels;
var total_page_no_links;
var jquery_ui_default_class = options.jquery_ui ? options.jquery_ui_default : '';
var jquery_ui_active_class = options.jquery_ui ? options.jquery_ui_active : '';
var jquery_ui_disabled_class = options.jquery_ui ? options.jquery_ui_disabled : '';
return this.each(function() {
$page_container = $(this);
$item_container = $(this).find(options.item_container_id);
$items = $page_container.find(options.item_container_id).children();
if (options.abort_on_small_lists && options.items_per_page >= $items.size()) return $page_container;
meta = $page_container;
// Initialize meta data
meta.data(current_page, 0);
meta.data(items_per_page, options.items_per_page);
// Get the total number of items
var total_items = $item_container.children().size();
// Calculate the number of pages needed
var number_of_pages = Math.ceil(total_items / options.items_per_page);
// Construct the nav bar
var more = '<span class="ellipse more">...</span>';
var less = '<span class="ellipse less">...</span>';
var first = !options.show_first_last ? '' : '<a class="first_link ' + jquery_ui_default_class + '" href="">' + options.nav_label_first + '</a>';
var last = !options.show_first_last ? '' : '<a class="last_link ' + jquery_ui_default_class + '" href="">' + options.nav_label_last + '</a>';
var navigation_html = "";
for (var i = 0; i < options.nav_order.length; i++) {
switch (options.nav_order[i]) {
case "first":
navigation_html += first;
break;
case "last":
navigation_html += last;
break;
case "next":
navigation_html += '<a class="next_link ' + jquery_ui_default_class + '" href="">' + options.nav_label_next + '</a>';
break;
case "prev":
navigation_html += '<a class="previous_link ' + jquery_ui_default_class + '" href="">' + options.nav_label_prev + '</a>';
break;
case "num":
navigation_html += less;
var current_link = 0;
while (number_of_pages > current_link) {
navigation_html += '<a class="page_link ' + jquery_ui_default_class + '" href="" longdesc="' + current_link + '">' + (current_link + 1) + '</a>';
current_link++;
}
navigation_html += more;
break;
default:
break;
}
}
// And add it to the appropriate area of the DOM
$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');
});
// Hide the more/less indicators
$nav_panels.children('.ellipse').hide();
// Set the active page link styling
$nav_panels.find('.previous_link').next().next().addClass('active_page ' + jquery_ui_active_class);
/* Setup Page Display */
// And hide all pages
$items.hide();
// Show the first page
$items.slice(0, meta.data(items_per_page)).show();
/* Setup Nav Menu Display */
// Page number slices
total_page_no_links = $page_container.find(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(); // Hide all the page links
// And only show the number we should be seeing
$nav_panels.each(function() {
$(this).children('.page_link').slice(0, options.num_page_links_to_display).show();
});
/* Bind the actions to their respective links */
// Event handler for 'First' link
$page_container.find('.first_link').click(function(e) {
e.preventDefault();
movePageNumbersRight($(this), 0);
gotopage(0);
});
// Event handler for 'Last' link
$page_container.find('.last_link').click(function(e) {
e.preventDefault();
var lastPage = total_page_no_links - 1;
movePageNumbersLeft($(this), lastPage);
gotopage(lastPage);
});
// Event handler for 'Prev' link
$page_container.find('.previous_link').click(function(e) {
e.preventDefault();
showPrevPage($(this));
});
// Event handler for 'Next' link
$page_container.find('.next_link').click(function(e) {
e.preventDefault();
showNextPage($(this));
});
// Event handler for each 'Page' link
$page_container.find('.page_link').click(function(e) {
e.preventDefault();
gotopage($(this).attr('longdesc'));
});
// Goto the required page
gotopage(parseInt(options.start_page));
toggleMoreLess();
if (!options.wrap_around) tagNextPrev();
});
function showPrevPage(e) {
new_page = parseInt(meta.data(current_page)) - 1;
// Check that we aren't on a boundary link
if ($(e).siblings('.active_page').prev('.page_link').length == true) {
movePageNumbersRight(e, new_page);
gotopage(new_page);
}
else if (options.wrap_around) {
gotopage(total_page_no_links - 1);
}
};
function showNextPage(e) {
new_page = parseInt(meta.data(current_page)) + 1;
// Check that we aren't on a boundary link
if ($(e).siblings('.active_page').next('.page_link').length == true) {
movePageNumbersLeft(e, new_page);
gotopage(new_page);
}
else if (options.wrap_around) {
gotopage(0);
}
};
function gotopage(page_num) {
page_num = parseInt(page_num, 10)
var ipp = parseInt(meta.data(items_per_page));
// Find the start of the next slice
start_from = page_num * ipp;
// Find the end of the next slice
end_on = start_from + ipp;
// Hide the current page
var items = $items.hide().slice(start_from, end_on);
items.show();
// Reassign the active class
$page_container.find(options.nav_panel_id).children('.page_link[longdesc=' + page_num + ']').addClass('active_page ' + jquery_ui_active_class).siblings('.active_page').removeClass('active_page ' + jquery_ui_active_class);
// Set the current page meta data
meta.data(current_page, page_num);
/*########## Ajout de l'option page courante + nombre de pages*/
var $current_page = parseInt(meta.data(current_page)+1);
// Get the total number of items
var total_items = $item_container.children().size();
// Calculate the number of pages needed
var $number_of_pages = Math.ceil(total_items / options.items_per_page);
/*##################################################################*/
$page_container.find(options.nav_info_id).html(options.nav_label_info.replace("{0}", start_from + 1).
replace("{1}", start_from + items.length).replace("{2}", $items.length).replace("{3}", $current_page).replace("{4}", $number_of_pages));
// Hide the more and/or less indicators
toggleMoreLess();
// Add a class to the next or prev links if there are no more pages next or previous to the active page
tagNextPrev();
// check if the onPage callback is available and call it
if (typeof(options.onPageDisplayed) !== "undefined" ) {
options.onPageDisplayed.call(this, page_num + 1)
}
}
// Methods to shift the diplayed index of page numbers to the left or right
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() // Hide all the page links
.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() {
$(this).children('.page_link').hide() // Hide all the page links
.slice(new_page, new_page + parseInt(options.num_page_links_to_display)).show();
});
}
}
// Show or remove the ellipses that indicate that more page numbers exist in the page index than are currently shown
function toggleMoreLess() {
if (!$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 {
$nav_panels.children('.less').hide();
}
}
/* Add the style class ".no_more" to the first/prev and last/next links to allow custom styling */
function tagNextPrev() {
if ($nav_panels.children('.last').hasClass('active_page')) {
$nav_panels.children('.next_link').add('.last_link').addClass('no_more ' + jquery_ui_disabled_class);
}
else {
$nav_panels.children('.next_link').add('.last_link').removeClass('no_more ' + jquery_ui_disabled_class);
}
if ($nav_panels.children('.first').hasClass('active_page')) {
$nav_panels.children('.previous_link').add('.first_link').addClass('no_more ' + jquery_ui_disabled_class);
}
else {
$nav_panels.children('.previous_link').add('.first_link').removeClass('no_more ' + jquery_ui_disabled_class);
}
}
};
})(jQuery);