mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-12-26 00:31:53 +00:00
4d2b0735dc
Update from vfleaking/uoj upstream, commit aa8a85c - 9f1302c. Because of this repo's modify, also with the adaption of community version.
102 lines
3.2 KiB
PHP
102 lines
3.2 KiB
PHP
<?php
|
|
|
|
class Paginator {
|
|
public $n_rows;
|
|
public $n_pages;
|
|
public $page_len;
|
|
public $cur_page;
|
|
public $cur_start;
|
|
public $max_extend;
|
|
public $table;
|
|
|
|
public function __construct($config) {
|
|
if (isset($config['data'])) {
|
|
$this->n_pages = 1;
|
|
$this->cur_page = 1;
|
|
$this->cur_start = 0;
|
|
$this->table = $config['data'];
|
|
} elseif (!isset($config['echo_full'])) {
|
|
$this->n_rows = DB::selectCount("select count(*) from {$config['table_name']} where {$config['cond']}");
|
|
|
|
$this->page_len = isset($config['page_len']) ? $config['page_len'] : 10;
|
|
|
|
$this->n_pages = max((int)ceil($this->n_rows / $this->page_len), 1);
|
|
|
|
$this->cur_page = validateUInt($_GET['page']) ? (int)$_GET['page'] : 1;
|
|
if ($this->cur_page < 1) {
|
|
$this->cur_page = 1;
|
|
} else if ($this->cur_page > $this->n_pages) {
|
|
$this->cur_page = $this->n_pages;
|
|
}
|
|
$this->cur_start = ($this->cur_page - 1) * $this->page_len;
|
|
|
|
$this->table = DB::selectAll("select ".join($config['col_names'], ',')." from {$config['table_name']} where {$config['cond']} {$config['tail']} limit {$this->cur_start}, {$this->page_len}");
|
|
} else {
|
|
$this->n_pages = 1;
|
|
$this->cur_page = 1;
|
|
$this->cur_start = ($this->cur_page - 1) * $this->page_len;
|
|
$this->table = DB::selectAll("select ".join($config['col_names'], ',')." from {$config['table_name']} where {$config['cond']} {$config['tail']}");
|
|
}
|
|
|
|
$this->max_extend = isset($config['max_extend']) ? (int)$config['max_extend'] : 5;
|
|
}
|
|
|
|
public function getPageRawUri($page) {
|
|
$path = strtok($_SERVER["REQUEST_URI"], '?');
|
|
$query_string = strtok('?');
|
|
parse_str($query_string, $param);
|
|
|
|
$param['page'] = $page;
|
|
if ($page == 1)
|
|
unset($param['page']);
|
|
|
|
if ($param) {
|
|
return $path . '?' . http_build_query($param);
|
|
} else {
|
|
return $path;
|
|
}
|
|
}
|
|
public function getPageUri($page) {
|
|
return HTML::escape($this->getPageRawUri($page));
|
|
}
|
|
|
|
public function get() {
|
|
$cur_idx = $this->cur_start + 1;
|
|
foreach ($this->table as $idx => $row) {
|
|
yield $cur_idx++ => $row;
|
|
}
|
|
}
|
|
public function isEmpty() {
|
|
return empty($this->table);
|
|
}
|
|
|
|
public function pagination() {
|
|
if ($this->n_pages == 1) {
|
|
return '';
|
|
}
|
|
$html = '<div class="text-center">';
|
|
$html .= '<ul class="pagination top-buffer-no bot-buffer-sm">';
|
|
if ($this->cur_page > 1) {
|
|
$html .= '<li><a href="'.$this->getPageUri($this->cur_page - 1).'"><span class="glyphicon glyphicon glyphicon-backward"></span></a></li>';
|
|
} else {
|
|
$html .= '<li class="disabled"><a><span class="glyphicon glyphicon glyphicon-backward"></span></a></li>';
|
|
}
|
|
|
|
for ($i = max($this->cur_page - $this->max_extend, 1); $i <= min($this->cur_page + $this->max_extend, $this->n_pages); $i++) {
|
|
if ($i == $this->cur_page) {
|
|
$html .= '<li class="active"><a href="'.$this->getPageUri($i).'">'.$i.'</a></li>';
|
|
} else {
|
|
$html .= '<li><a href="'.$this->getPageUri($i).'">'.$i.'</a></li>';
|
|
}
|
|
}
|
|
if ($this->cur_page < $this->n_pages) {
|
|
$html .= '<li><a href="'.$this->getPageUri($this->cur_page + 1).'"><span class="glyphicon glyphicon glyphicon-forward"></span></a></li>';
|
|
} else {
|
|
$html .= '<li class="disabled"><a><span class="glyphicon glyphicon glyphicon-forward"></span></a></li>';
|
|
}
|
|
$html .= '</ul>';
|
|
$html .= '</div>';
|
|
return $html;
|
|
}
|
|
}
|