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Froxlor/lib/classes/output/class.paging.php
2018-12-21 12:24:07 +01:00

520 lines
14 KiB
PHP

<?php
/**
* This file is part of the Froxlor project.
* Copyright (c) 2003-2009 the SysCP Team (see authors).
* Copyright (c) 2010 the Froxlor Team (see authors).
*
* For the full copyright and license information, please view the COPYING
* file that was distributed with this source code. You can also view the
* COPYING file online at http://files.froxlor.org/misc/COPYING.txt
*
* @copyright (c) the authors
* @author Florian Lippert <flo@syscp.org> (2003-2009)
* @author Froxlor team <team@froxlor.org> (2010-)
* @license GPLv2 http://files.froxlor.org/misc/COPYING.txt
* @package Classes
*
*/
/**
* Class to manage paging system
*
* @package Functions
*/
class paging
{
/**
* Userinfo
*
* @var array
*/
private $userinfo = array();
/**
* MySQL-Table
*
* @var string
*/
private $table = '';
/**
* Fields with description which should be selectable
*
* @var array
*/
private $fields = array();
/**
* Entries per page
*
* @var int
*/
private $entriesperpage = 0;
/**
* Number of entries of table
*
* @var int
*/
private $entries = 0;
/**
* Sortorder, asc or desc
*
* @var string
*/
public $sortorder = 'asc';
/**
* Sortfield
*
* @var string
*/
public $sortfield = '';
/**
* Searchfield
*
* @var string
*/
private $searchfield = '';
/**
* Searchtext
*
* @var string
*/
private $searchtext = '';
/**
* Pagenumber
*
* @var int
*/
private $pageno = 0;
/**
* Switch natsorting on/off
*
* @var bool
*/
private $natSorting = false;
private $_limit = 0;
/**
* Class constructor.
* Loads settings from request or from userdata and saves them to session.
*
* @param
* array userinfo
* @param
* string Name of Table
* @param
* array Fields, in format array( 'fieldname_in_mysql' => 'field_caption' )
* @param
* int *deprecated* entries per page
* @param
* bool *deprecated* Switch natsorting on/off (global, affects all calls of sort)
* @param int $default_field
* default sorting-field-index
* @param string $default_order
* default sorting order 'asc' or 'desc'
*
*/
public function __construct($userinfo, $table, $fields, $entriesperpage = 0, $natSorting = false, $default_field = 0, $default_order = 'asc', $limit = 0)
{
// entries per page and natsorting-flag are not
// passed as parameter anymore, because these are
// from the settings anyway
$entriesperpage = \Froxlor\Settings::Get('panel.paging');
$natSorting = \Froxlor\Settings::Get('panel.natsorting');
$this->userinfo = $userinfo;
if (! is_array($this->userinfo['lastpaging'])) {
$this->userinfo['lastpaging'] = json_decode($this->userinfo['lastpaging'], true);
}
$this->table = $table;
$this->fields = $fields;
$this->entriesperpage = $entriesperpage;
$this->natSorting = $natSorting;
$checklastpaging = (isset($this->userinfo['lastpaging']['table']) && $this->userinfo['lastpaging']['table'] == $this->table);
$this->userinfo['lastpaging']['table'] = $this->table;
if (isset($_REQUEST['sortorder']) && (strtolower($_REQUEST['sortorder']) == 'desc' || strtolower($_REQUEST['sortorder']) == 'asc')) {
$this->sortorder = strtolower($_REQUEST['sortorder']);
} else {
if ($checklastpaging && isset($this->userinfo['lastpaging']['sortorder']) && (strtolower($this->userinfo['lastpaging']['sortorder']) == 'desc' || strtolower($this->userinfo['lastpaging']['sortorder']) == 'asc')) {
$this->sortorder = strtolower($this->userinfo['lastpaging']['sortorder']);
} else {
$this->sortorder = $default_order;
}
}
$this->userinfo['lastpaging']['sortorder'] = $this->sortorder;
if (isset($_REQUEST['sortfield']) && isset($fields[$_REQUEST['sortfield']])) {
$this->sortfield = $_REQUEST['sortfield'];
} else {
if ($checklastpaging && isset($this->userinfo['lastpaging']['sortfield']) && isset($fields[$this->userinfo['lastpaging']['sortfield']])) {
$this->sortfield = $this->userinfo['lastpaging']['sortfield'];
} else {
$fieldnames = array_keys($fields);
$this->sortfield = $fieldnames[$default_field];
}
}
$this->userinfo['lastpaging']['sortfield'] = $this->sortfield;
if (isset($_REQUEST['searchfield']) && isset($fields[$_REQUEST['searchfield']])) {
$this->searchfield = $_REQUEST['searchfield'];
} else {
if ($checklastpaging && isset($this->userinfo['lastpaging']['searchfield']) && isset($fields[$this->userinfo['lastpaging']['searchfield']])) {
$this->searchfield = $this->userinfo['lastpaging']['searchfield'];
} else {
$fieldnames = array_keys($fields);
$this->searchfield = $fieldnames[0];
}
}
$this->userinfo['lastpaging']['searchfield'] = $this->searchfield;
if (isset($_REQUEST['searchtext']) && (preg_match('/[-_@\p{L}\p{N}*.]+$/u', $_REQUEST['searchtext']) || $_REQUEST['searchtext'] === '')) {
$this->searchtext = trim($_REQUEST['searchtext']);
} else {
if ($checklastpaging && isset($this->userinfo['lastpaging']['searchtext']) && preg_match('/[-_@\p{L}\p{N}*.]+$/u', $this->userinfo['lastpaging']['searchtext'])) {
$this->searchtext = $this->userinfo['lastpaging']['searchtext'];
} else {
$this->searchtext = '';
}
}
$this->userinfo['lastpaging']['searchtext'] = $this->searchtext;
if (isset($_REQUEST['pageno']) && intval($_REQUEST['pageno']) != 0) {
$this->pageno = intval($_REQUEST['pageno']);
} else {
if ($checklastpaging && isset($this->userinfo['lastpaging']['pageno']) && intval($this->userinfo['lastpaging']['pageno']) != 0) {
$this->pageno = intval($this->userinfo['lastpaging']['pageno']);
} else {
$this->pageno = 1;
}
}
$this->userinfo['lastpaging']['pageno'] = $this->pageno;
$upd_stmt = \Froxlor\Database\Database::prepare("
UPDATE `" . TABLE_PANEL_SESSIONS . "` SET
`lastpaging` = :lastpaging
WHERE `hash` = :hash AND `userid` = :userid
AND `ipaddress` = :ipaddr AND `useragent` = :ua
AND `adminsession` = :adminsession
");
$upd_data = array(
'lastpaging' => json_encode($this->userinfo['lastpaging']),
'hash' => $userinfo['hash'],
'userid' => $userinfo['userid'],
'ipaddr' => $userinfo['ipaddress'],
'ua' => $userinfo['useragent'],
'adminsession' => $userinfo['adminsession']
);
\Froxlor\Database\Database::pexecute($upd_stmt, $upd_data);
$this->_limit = $limit;
}
/**
* Sets number of entries and adjusts pageno if the number of entries doesn't correspond to the pageno.
*
* @param
* int entries
*/
public function setEntries($entries)
{
$this->entries = $entries;
if (($this->pageno - 1) * $this->entriesperpage > $this->entries) {
$this->pageno = 1;
}
return true;
}
/**
* Checks if a row should be displayed or not, used in loops
*
* @param
* int number of row
* @return bool to display or not to display, that's the question
*/
public function checkDisplay($count)
{
$begin = (intval($this->pageno) - 1) * intval($this->entriesperpage);
$end = (intval($this->pageno) * intval($this->entriesperpage));
return (($count >= $begin && $count < $end) || $this->entriesperpage == 0);
}
/**
* Returns condition code for sql query
*
* @param
* bool should returned condition code start with WHERE (false) or AND (true)?
* @return string the condition code
*/
public function getSqlWhere($append = false)
{
if ($this->searchtext != '') {
if ($append == true) {
$condition = ' AND ';
} else {
$condition = ' WHERE ';
}
$searchfield = explode('.', $this->searchfield);
foreach ($searchfield as $id => $field) {
if (substr($field, - 1, 1) != '`') {
$field .= '`';
}
if ($field{0} != '`') {
$field = '`' . $field;
}
$searchfield[$id] = $field;
}
$searchfield = implode('.', $searchfield);
$ops = array(
'<',
'>',
'='
);
// check if we use an operator or not
$useOper = 0;
$oper = "=";
if (in_array(substr($this->searchtext, 0, 1), $ops)) {
$useOper = 1;
$oper = substr($this->searchtext, 0, 1);
}
// check for diskspace and whether searchtext is a number
// in any other case the logical-operators would make no sense
if (strpos($searchfield, 'diskspace') > 0 && is_numeric(substr($this->searchtext, $useOper))) {
// anything with diskspace is *1024
$searchtext = ((int) substr($this->searchtext, $useOper)) * 1024;
$useOper = 1;
} elseif (strpos($searchfield, 'traffic') > 0 && is_numeric(substr($this->searchtext, $useOper))) {
// anything with traffic is *1024*1024
$searchtext = ((int) substr($this->searchtext, $useOper)) * 1024 * 1024;
$useOper = 1;
} else {
// any other field
$searchtext = substr($this->searchtext, $useOper);
}
if ($useOper == 1 && is_numeric(substr($this->searchtext, $useOper))) {
// now as we use >, < or = we use the given operator and not LIKE
$condition .= $searchfield . " " . $oper . " " . \Froxlor\Database\Database::quote($searchtext);
} else {
$searchtext = str_replace('*', '%', $this->searchtext);
// append wildcards if user did not enter any
if (strpos($searchtext, '%') === false)
$searchtext = '%' . $searchtext . '%';
$condition .= $searchfield . " LIKE " . \Froxlor\Database\Database::quote($searchtext);
}
} else {
$condition = '';
}
return $condition;
}
/**
* Returns "order by"-code for sql query
*
* @param
* bool Switch natsorting on/off (local, affects just this call)
* @return string the "order by"-code
*/
public function getSqlOrderBy($natSorting = null)
{
$sortfield = explode('.', $this->sortfield);
foreach ($sortfield as $id => $field) {
if (substr($field, - 1, 1) != '`') {
$field .= '`';
}
if ($field{0} != '`') {
$field = '`' . $field;
}
$sortfield[$id] = $field;
}
$sortfield = implode('.', $sortfield);
$sortorder = strtoupper($this->sortorder);
if ($natSorting == true || ($natSorting === null && $this->natSorting == true)) {
// Acts similar to php's natsort(), found in one comment at http://my.opera.com/cpr/blog/show.dml/160556
$sortcode = "ORDER BY CONCAT( IF( ASCII( LEFT( " . $sortfield . ", 5 ) ) > 57,
LEFT( " . $sortfield . ", 1 ), 0 ),
IF( ASCII( RIGHT( " . $sortfield . ", 1 ) ) > 57,
LPAD( " . $sortfield . ", 255, '0' ),
LPAD( CONCAT( " . $sortfield . ", '-' ), 255, '0' )
)) " . $sortorder;
} else {
$sortcode = 'ORDER BY ' . $sortfield . ' ' . $sortorder;
}
return $sortcode;
}
/**
* Currently not used
*
* @return string always empty
*/
public function getSqlLimit()
{
if ($this->_limit > 0) {
$_offset = ($this->pageno - 1) * $this->_limit;
return ' LIMIT ' . $_offset . ',' . $this->_limit;
}
/**
* currently not in use
*/
return '';
}
/**
* Returns html code for sorting field
*
* @param
* array Language array
* @return string the html sortcode
*/
public function getHtmlSortCode($lng, $break = false)
{
$sortcode = '';
$fieldoptions = '';
$orderoptions = '';
foreach ($this->fields as $fieldname => $fieldcaption) {
$fieldoptions .= makeoption($fieldcaption, $fieldname, $this->sortfield, true, true);
}
$breakorws = ($break ? '<br />' : '&nbsp;');
foreach (array(
'asc' => $lng['panel']['ascending'],
'desc' => $lng['panel']['descending']
) as $sortordertype => $sortorderdescription) {
$orderoptions .= makeoption($sortorderdescription, $sortordertype, $this->sortorder, true, true);
}
eval("\$sortcode =\"" . getTemplate("misc/htmlsortcode", '1') . "\";");
return $sortcode;
}
/**
* Returns html code for sorting arrows
*
* @param
* string URL to use as base for links
* @param
* string If set, only this field will be returned
* @return mixed An array or a string (if field is set) of html code of arrows
*/
public function getHtmlArrowCode($baseurl, $field = '')
{
global $theme;
if ($field != '' && isset($this->fields[$field])) {
$baseurl = htmlspecialchars($baseurl);
$fieldname = htmlspecialchars($field);
eval("\$arrowcode =\"" . getTemplate("misc/htmlarrowcode", '1') . "\";");
} else {
$baseurl = htmlspecialchars($baseurl);
$arrowcode = array();
foreach ($this->fields as $fieldname => $fieldcaption) {
$fieldname = htmlspecialchars($fieldname);
eval("\$arrowcode[\$fieldname] =\"" . getTemplate("misc/htmlarrowcode", '1') . "\";");
}
}
return $arrowcode;
}
/**
* Returns html code for searching field
*
* @param
* array Language array
* @return string the html searchcode
*/
public function getHtmlSearchCode($lng)
{
$searchcode = '';
$fieldoptions = '';
$searchtext = htmlspecialchars($this->searchtext);
foreach ($this->fields as $fieldname => $fieldcaption) {
$fieldoptions .= makeoption($fieldcaption, $fieldname, $this->searchfield, true, true);
}
eval("\$searchcode =\"" . getTemplate("misc/htmlsearchcode", '1') . "\";");
return $searchcode;
}
/**
* Returns html code for paging
*
* @param
* string URL to use as base for links
* @return string the html pagingcode
*/
public function getHtmlPagingCode($baseurl)
{
if ($this->entriesperpage == 0) {
return '';
} else {
$pages = intval($this->entries / $this->entriesperpage);
}
if ($this->entries % $this->entriesperpage != 0) {
$pages ++;
}
if ($pages > 1) {
$start = $this->pageno - 4;
if ($start < 1) {
$start = 1;
}
$stop = $this->pageno + 4;
if ($stop > $pages) {
$stop = $pages;
}
$pagingcode = '<a href="' . htmlspecialchars($baseurl) . '&amp;pageno=1">&laquo;</a> <a href="' . htmlspecialchars($baseurl) . '&amp;pageno=' . ((intval($this->pageno) - 1) == 0 ? '1' : intval($this->pageno) - 1) . '">&lt;</a>&nbsp;';
for ($i = $start; $i <= $stop; $i ++) {
if ($i != $this->pageno) {
$pagingcode .= ' <a href="' . htmlspecialchars($baseurl) . '&amp;pageno=' . $i . '">' . $i . '</a>&nbsp;';
} else {
$pagingcode .= ' <strong>' . $i . '</strong>&nbsp;';
}
}
$pagingcode .= ' <a href="' . htmlspecialchars($baseurl) . '&amp;pageno=' . ((intval($this->pageno) + 1) > $pages ? $pages : intval($this->pageno) + 1) . '">&gt;</a> <a href="' . $baseurl . '&amp;pageno=' . $pages . '">&raquo;</a>';
} else {
$pagingcode = '';
}
return $pagingcode;
}
}