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(function($){
$.fn.simplePagination = function(options)
{
var settings = $.extend({}, $.fn.simplePagination.defaults, options);
/*
NUMBER FORMATTING
*/
function simple_number_formatter(number, digits_after_decimal, thousands_separator, decimal_separator)
{
//OTHERWISE 0==false==undefined
digits_after_decimal = isNaN(digits_after_decimal) ? 2 : parseInt(digits_after_decimal);
//was a thousands place separator provided?
thousands_separator = (typeof thousands_separator === 'undefined') ? ',' : thousands_separator;
//was a decimal place separator provided?
decimal_separator = (typeof decimal_separator === 'undefined') ? '.' : decimal_separator;
//123.45 => 123==integer; 45==fraction
var parts = ((+number).toFixed(digits_after_decimal) + '').split(decimal_separator), // Force Number typeof with +: +number
//obtain the integer part
integer = parts[0] + '',
//obtain the fraction part IF one exists
fraction = (typeof parts[1] === 'undefined') ? '' : parts[1],
//create the decimal(fraction) part of the answer
decimal = digits_after_decimal > 0 ? decimal_separator + fraction : '',
//find 1 or more digits, EXACTLY PRECEDING, exactly 3 digits
pattern = /(\d+)(\d{3})/;
//pattern = /(\d)(?=(\d{3})+$)/; .replace(..., '$1' + thousands_separator
//while the pattern can be matched
while(pattern.test(integer))
{
//insert the specified thousands place separator
integer = integer.replace(pattern, '$1' + thousands_separator + '$2');
}
//return the formated number!
return integer + decimal;
}
return this.each(function()
{
var container_id = '#' + $(this).attr('id'),
items = $(this).find(settings.pagination_container).children(),
item_count = items.length,
items_per_page = parseInt(settings.items_per_page),
page_count = Math.ceil(item_count / items_per_page),
number_of_visible_page_numbers = parseInt(settings.number_of_visible_page_numbers);
// Show the appropriate items given the specific page_number
function refresh_page(page_number, item_range_min, item_range_max)
{
items.hide();
items.slice(item_range_min, item_range_max).show();
}
function refresh_first(page_number)
{
// e.g.
// <a href="#" class="simple-pagination-navigation-first [simple-pagination-nagivation-disabled]"
// data-simple-pagination-page-number="1">First</a>
/*
var element = document.createElement(settings.navigation_element);
element.id = 'rawr';
element.href = '#';
element.className = settings.html_prefix + '-navigation-first';
element.className += page_count === 1 || page_number === 1 ? ' ' + settings.html_prefix + '-navigation-disabled' : '';
element.setAttribute('data-' + settings.html_prefix + '-page-number', 1);
element.appendChild(document.createTextNode(settings.first_content));
*/
var first_html = '<li><' + settings.navigation_element + ' href="#" class="' + settings.html_prefix + '-navigation-first';
first_html += page_count === 1 || page_number === 1 ? ' ' + settings.html_prefix + '-navigation-disabled' : '';
first_html += '" data-' + settings.html_prefix + '-page-number="' + 1 + '">' + settings.first_content + '</' + settings.navigation_element + '></li>';
return first_html; // return element.outerHTML;
}
function refresh_previous(page_number)
{
var previous_page = page_number > 1 ? page_number - 1 : 1,
previous_html = '<li><' + settings.navigation_element + ' href="#" class="' + settings.html_prefix + '-navigation-previous';
previous_html += page_count === 1 || page_number === 1 ? ' ' + settings.html_prefix + '-navigation-disabled' : '';
previous_html += '" data-' + settings.html_prefix + '-page-number="' + previous_page + '">' + settings.previous_content + '</' + settings.navigation_element + '></li>';
return previous_html;
}
function refresh_next(page_number)
{
var next_page = page_number + 1 > page_count ? page_count : page_number + 1,
next_html = '<li><' + settings.navigation_element + ' href="#" class="' + settings.html_prefix + '-navigation-next';
next_html += page_count === 1 || page_number === page_count ? ' ' + settings.html_prefix + '-navigation-disabled' : '';
next_html += '" data-' + settings.html_prefix + '-page-number="' + next_page + '">' + settings.next_content + '</' + settings.navigation_element + '></li>';
return next_html;
}
function refresh_last(page_number)
{
var last_html = '<li><' + settings.navigation_element + ' href="#" class="' + settings.html_prefix + '-navigation-last';
last_html += page_count === 1 || page_number === page_count ? ' ' + settings.html_prefix + '-navigation-disabled' : '';
last_html += '" data-' + settings.html_prefix + '-page-number="' + page_count + '">' + settings.last_content + '</' + settings.navigation_element + '></li>';
return last_html;
}
function refresh_page_numbers(page_number)
{
// half_of_number_of_page_numbers_visable causes even numbers to be treated the same as the next LOWEST odd number (e.g. 6 === 5)
// Used to center the current page number in 'else' below
var half_of_number_of_page_numbers_visable = Math.ceil(number_of_visible_page_numbers / 2) - 1,
current_while_page = 0,
page_numbers_html = [],
create_page_navigation = function()
{
page_number_html = '<li><' + settings.navigation_element + ' href="#" class="' + settings.html_prefix + '-navigation-page';
page_number_html += page_count === 1 || page_number === current_while_page ? ' ' + settings.html_prefix + '-navigation-disabled' : '';
page_number_html += '" data-' + settings.html_prefix + '-page-number="' + current_while_page + '">' + simple_number_formatter(current_while_page, 0, settings.thousands_separator) + '</' + settings.navigation_element + '></li>';
page_numbers_html.push(page_number_html);
};
//are we on the left half of the desired truncation length?
if(page_number <= half_of_number_of_page_numbers_visable)
{
var max = half_of_number_of_page_numbers_visable * 2 + 1;
max = max > page_count ? page_count : max;
while(current_while_page < max)
{
++current_while_page;
create_page_navigation();
}
}
//are we on the right side of the desired truncation length?
else if(page_number > page_count - half_of_number_of_page_numbers_visable)
{
var min = page_count - half_of_number_of_page_numbers_visable * 2 - 1;
current_while_page = min < 0 ? 0 : min;
while(current_while_page < page_count)
{
++current_while_page;
create_page_navigation();
}
}
//have lots of pages
//half_of_num... + number_of_visible_page_numbers + half_of_num...
//center the current page between: number_of_visible_page_numbers
else
{
var min = page_number - half_of_number_of_page_numbers_visable - 1,
max = page_number + half_of_number_of_page_numbers_visable;
current_while_page = min < 0 ? 0 : min;
max = max > page_count ? page_count : max;//shouldn't need this but just being cautious
while(current_while_page < max)
{
++current_while_page;
create_page_navigation();
}
}
return page_numbers_html.join('');
}
function refresh_items_per_page_list()
{
var items_per_page_html = '';
$.each(settings.items_per_page_content, function(k, v){
k = (typeof k === 'Number') ? simple_number_formatter(k, 0, settings.thousands_separator) : k;
v = parseInt(v);
items_per_page_html += '<option value="' + v + '"';
items_per_page_html += v === items_per_page ? ' selected' : '';
items_per_page_html += '>' + k + '</option>\n';
});
return items_per_page_html;
}
function refresh_specific_page_list(page_number)
{
var select_html = '';
for(var i=1; i<=page_count; i++)
{
select_html += '<option value="' + i + '"';
select_html += i === page_number ? ' selected' : '';
select_html += '>' + simple_number_formatter(i, 0, settings.thousands_separator) + '</option>\n';
}
return select_html;
}
function refresh_simple_pagination(page_number)
{
var item_range_min = page_number * items_per_page - items_per_page,
item_range_max = item_range_min + items_per_page;
item_range_max = item_range_max > item_count ? item_count : item_range_max;
refresh_page(page_number, item_range_min, item_range_max);
if(settings.use_first)
{
$(container_id + ' .' + settings.html_prefix + '-first').html(refresh_first(page_number));
}
if(settings.use_previous)
{
$(container_id + ' .' + settings.html_prefix + '-previous').html(refresh_previous(page_number));
}
if(settings.use_next)
{
$(container_id + ' .' + settings.html_prefix + '-next').html(refresh_next(page_number));
}
if(settings.use_last)
{
$(container_id + ' .' + settings.html_prefix + '-last').html(refresh_last(page_number));
}
if(settings.use_page_numbers && number_of_visible_page_numbers !== 0)
{
$(container_id + ' .' + settings.html_prefix + '-page-numbers').html(refresh_page_numbers(page_number));
}
if(settings.use_page_x_of_x)
{
var page_x_of_x_html = '' + settings.page_x_of_x_content + ' ' + simple_number_formatter(page_number, 0, settings.thousands_separator) + ' of ' + simple_number_formatter(page_count, 0, settings.thousands_separator);
$(container_id + ' .' + settings.html_prefix + '-page-x-of-x').html(page_x_of_x_html);
}
if(settings.use_page_count)
{
$(container_id + ' .' + settings.html_prefix + '-page-count').html(page_count);
}
if(settings.use_showing_x_of_x)
{
var showing_x_of_x_html = settings.showing_x_of_x_content + ' ' + simple_number_formatter(item_range_min + 1, 0, settings.thousands_separator) + '-' + simple_number_formatter(item_range_max, 0, settings.thousands_separator) + ' of ' + simple_number_formatter(item_count, 0, settings.thousands_separator);
$(container_id + ' .' + settings.html_prefix + '-showing-x-of-x').html(showing_x_of_x_html);
}
if(settings.use_item_count)
{
$(container_id + ' .' + settings.html_prefix + '-item-count').html(item_count);
}
if(settings.use_items_per_page)
{
$(container_id + ' .' + settings.html_prefix + '-items-per-page').html(refresh_items_per_page_list);
}
if(settings.use_specific_page_list)
{
$(container_id + ' .' + settings.html_prefix + '-select-specific-page').html(refresh_specific_page_list(page_number));
}
}
refresh_simple_pagination(1);
$(container_id).on('click', settings.navigation_element + '[data-' + settings.html_prefix + '-page-number]', function(e)
{
e.preventDefault();
var page_number = +$(this).attr('data-' + settings.html_prefix + '-page-number');
refresh_simple_pagination(page_number);
});
$(container_id + ' .' + settings.html_prefix + '-items-per-page').change(function()
{
items_per_page = +$(this).val();
page_count = Math.ceil(item_count / items_per_page);
refresh_simple_pagination(1);
});
$(container_id + ' .' + settings.html_prefix + '-select-specific-page').change(function()
{
specific_page = +$(this).val();
refresh_simple_pagination(specific_page);
});
});
};
$.fn.simplePagination.defaults = {
pagination_container: 'ul',
html_prefix: 'simple-pagination',
list_element: 'li', //button, span, div, et cetera
navigation_element: 'a', //button, span, div, et cetera
items_per_page: 25,
number_of_visible_page_numbers: 5,
use_page_numbers: true,
use_first: true,
use_previous: true,
use_next: true,
use_last: true,
use_page_x_of_x: true,
use_page_count: false,// Can be used to combine page_x_of_x and specific_page_list
use_showing_x_of_x: true,
use_item_count: false,
use_items_per_page: true,
use_specific_page_list: true,
first_content: 'Primeira', //e.g. '<<'
previous_content: 'Anterior', //e.g. '<'
next_content: 'Próxima', //e.g. '>'
last_content: 'Última', //e.g. '>>'
page_x_of_x_content: 'Página',
showing_x_of_x_content: 'Mostrando',
items_per_page_content: {
'Five': 5,
'Ten': 10,
'Twenty-five': 25,
'Fifty': 50,
'One hundred': 100
},
thousands_separator: ','
};
})(jQuery);