mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-11-26 20:56:20 +00:00
c49b69aa86
Let's welcome brand new look made by Bootstrap 4! Not only website but also our logo is being flat now. The new logo uses blue as main color, to be different from original. For us, it also shows the project has up to a new stage. We hope that the project will get better and better. BREAKING CHANGE: The path for users to place their images is renamed. Logos are saved as new names too. Users should move "pictures" to "images". Any modifications should suit the Bootstrap 4's standard.
100 lines
3.4 KiB
PHP
100 lines
3.4 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 '';
|
|
}
|
|
$html = '<ul class="pagination top-buffer-no bot-buffer-sm justify-content-center">';
|
|
if ($this->cur_page > 1) {
|
|
$html .= '<li class="page-item"><a class="page-link" href="'.$this->getPageUri($this->cur_page - 1).'"><span class="glyphicon glyphicon glyphicon-backward"></span></a></li>';
|
|
} else {
|
|
$html .= '<li class="page-item disabled"><a class="page-link"><span class="glyphicon glyphicon glyphicon-backward"></span></a></li>';
|
|
}
|
|
|
|
for ($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) {
|
|
$html .= '<li class="page-item active"><a class="page-link" href="'.$this->getPageUri($i).'">'.$i.'</a></li>';
|
|
} else {
|
|
$html .= '<li class="page-item"><a class="page-link" href="'.$this->getPageUri($i).'">'.$i.'</a></li>';
|
|
}
|
|
}
|
|
if ($this->cur_page < $this->n_pages) {
|
|
$html .= '<li class="page-item"><a class="page-link" href="'.$this->getPageUri($this->cur_page + 1).'"><span class="glyphicon glyphicon glyphicon-forward"></span></a></li>';
|
|
} else {
|
|
$html .= '<li class="page-item disabled"><a class="page-link"><span class="glyphicon glyphicon glyphicon-forward"></span></a></li>';
|
|
}
|
|
$html .= '</ul>';
|
|
return $html;
|
|
}
|
|
}
|