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100 lines
3.0 KiB
100 lines
3.0 KiB
<?php
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final class Pagination {
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public $total = 0;
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public $page = 1;
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public $limit = 20;
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public $num_links = 10;
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public $url = '';
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public $text = 'Showing {start} to {end} of {total} ({pages} Pages)';
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public $text_first = '|<';
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public $text_last = '>|';
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public $text_next = '>';
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public $text_prev = '<';
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public $style_links = 'links';
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public $style_results = 'results';
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public $links_html = array('begin'=>'', 'end'=>'');
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public $output_html = array('begin'=>'', 'end'=>'');
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public $no_link_html = array('begin'=>'', 'end'=>'');
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public function render() {
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$total = $this->total;
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if ($this->page < 1) {
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$page = 1;
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} else {
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$page = $this->page;
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}
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if (!$this->limit) {
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$limit = 10;
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} else {
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$limit = $this->limit;
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}
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$num_links = $this->num_links;
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$num_pages = ceil($total / $limit);
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$output = '';
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if ($page > 1) {
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$output .= $this->links_html['begin'].' <a href="' . str_replace('{page}', 1, $this->url) . '">' . $this->text_first . '</a> '.$this->links_html['end'].$this->links_html['begin'].'<a href="' . str_replace('{page}', $page - 1, $this->url) . '">' . $this->text_prev . '</a> '.$this->links_html['end'];
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}
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if ($num_pages > 1) {
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if ($num_pages <= $num_links) {
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$start = 1;
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$end = $num_pages;
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} else {
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$start = $page - floor($num_links / 2);
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$end = $page + floor($num_links / 2);
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if ($start < 1) {
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$end += abs($start) + 1;
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$start = 1;
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}
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if ($end > $num_pages) {
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$start -= ($end - $num_pages);
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$end = $num_pages;
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}
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}
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if ($start > 1) {
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$output .= $this->no_link_html['begin'].' ... '.$this->no_link_html['end'];
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}
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for ($i = $start; $i <= $end; $i++) {
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if ($page == $i) {
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$output .= $this->no_link_html['begin'].' <b>' . $i . '</b> '.$this->no_link_html['end'];
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} else {
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$output .= $this->links_html['begin'].' <a href="' . str_replace('{page}', $i, $this->url) . '">' . $i . '</a> '.$this->links_html['end'];
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}
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}
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if ($end < $num_pages) {
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$output .= $this->no_link_html['begin'].' ... '.$this->no_link_html['end'];
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}
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}
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if ($page < $num_pages) {
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$output .= $this->links_html['begin'].' <a href="' . str_replace('{page}', $page + 1, $this->url) . '">' . $this->text_next . '</a>'.$this->links_html['end'].$this->links_html['begin'].' <a href="' . str_replace('{page}', $num_pages, $this->url) . '">' . $this->text_last . '</a> '.$this->links_html['end'];
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}
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$find = array(
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'{start}',
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'{end}',
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'{total}',
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'{pages}'
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);
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$replace = array(
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($total) ? (($page - 1) * $limit) + 1 : 0,
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((($page - 1) * $limit) > ($total - $limit)) ? $total : ((($page - 1) * $limit) + $limit),
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$total,
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$num_pages
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);
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return ($output ? '<div class="' . $this->style_links . '">' .$this->output_html['begin']. $output .$this->output_html['end']. '</div>' : '') . '<div class="' . $this->style_results . '">' . str_replace($find, $replace, $this->text) . '</div>';
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}
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}
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?>
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