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| <?php
class Datagrid
{
// Holds the order by information
private static $orderby;
private static $orderdir;
//Properties. I really can't be bothered right now to document each one,
// so they're all lumped together here
public $allowSorting;
public $showHeaders;
public $headerHTML;
public $cellpadding;
public $cellspacing;
public $numresults;
public $startnum;
public $perPage;
public $colnum;
public $noSpecialChars;
public $colnames;
public $rowcallback;
public $headers;
private $noSort;
private $initialcols;
private $connection;
private $resultset;
private $hiddenColumns;
// Creates a datagrid from an array. Similar to a MySQL datasrc
//@param array $data The data (array)
public static function CreateFromArray($array)
{
// Order by
if (isset($_GET['orderDir']) AND !empty($_GET['orderBy'])) {
// Store it so the direction indicators appear
Datagrid::$orderby['column'] = $_GET['orderBy'];
Datagrid::$orderby['direction'] = $_GET['orderDir'];
// FIXME - implement sorting
uasort($array, array('Datagrid', '_sortArray'));
}
$grid = new Datagrid($array);
return $grid;
}
/**
* Creates Datagrid object for you and returns it
*
* $connection The connection to the database. This can also be an array
* containing host/user/pass/dbas parameters to connect to the
* database. This can also be used to create a datagrid from
* an array data source by supplying an array instead of the
* database connection, eg: $grid = Datagrid::Create($myArray);
* @param string $sql The SQL query with or without the ORDER BY clause
*/
public static function Create($connection, $sql = null)
{
/**
* Creates an array based datagrid if the first arg is am array
*/
if (is_array($connection) AND is_null($sql)) {
return Datagrid::CreateFromArray($connection);
}
// Connect if need be
if (is_array($connection)) {
$host = $connection['hostname'];
$user = $connection['username'];
$pass = $connection['password'];
$dbas = $connection['database'];
$connection = mysql_connect($host, $user, $pass) OR die('<span style="color: red">Failed to connect: ' . mysql_error() . '</span>');
mysql_select_db($dbas);
}
/**
* Order by
*/
if (isset($_GET['orderDir']) AND !empty($_GET['orderBy'])) {
// Store it so the direction indicators appear
Datagrid::$orderby['column'] = $_GET['orderBy'];
Datagrid::$orderby['direction'] = $_GET['orderDir'];
$orderby = 'ORDER BY ' . $_GET['orderBy'] . ' ' . ($_GET['orderDir'] ? 'ASC' : 'DESC');
$sql = preg_replace('/ORDER\s+BY.*(ASC|DESC)/is', $orderby, $sql);
}
/**
* Perform the query to get the result set
*/
$resultset = mysql_query($sql, $connection);
$grid = new Datagrid($connection, $resultset);
// If the query doesn't have an ORDER BY, then disable ordering
if (strpos($sql, 'ORDER BY') === false) {
$grid->allowSorting = false;
}
return $grid;
}
/**
* The constructor
*
* @param mixed $connection This can be either a MySQL connection resource or an array
* @param resource $resultset Only used for MySQL based datagrids - the MySQL result.
*/
public function __construct($connection, $resultset = null)
{
$this->noSort = array();
$this->allowSorting = true;
$this->showHeaders = true;
$this->headerHTML = '';
$this->cellpadding = 0;
$this->cellspacing = 0;
$this->connection = $connection;
$this->resultset = $resultset;
$this->numresults = is_resource($connection) ? mysql_num_rows($resultset) : count($connection);
$this->startnum = @(int)$_GET['start'];
$this->perPage = 20;
$this->hiddenColumns = array();
$this->colnum = is_resource($connection) ? mysql_num_fields($this->resultset) : count($connection[0]);
$this->noSpecialChars = array();
// Don't allow startnum to be lower than zero
if ($this->startnum < 0) {
$this->startnum = 0;
}
// Don't allow startnum to be greater than the number of rows in the result set,
// well, one less to allow for zero indexing
if ($this->startnum >= $this->numresults) {
$this->startnum = 0;
}
// Check the MySQL connection is valid
if (!is_resource($connection) AND !is_array($connection)) {
die('<p /><span style="color: red">Error - the MySQL connection you have passed to the datagrid constructor is not valid</span>');
}
// Check the MySQL result set is valid
if (is_resource($connection) AND (!$resultset OR !is_resource($resultset))) {
die('<p /><span style="color: red">Error - the MySQL result set you have passed to the datagrid constructor is not valid</span>');
}
}
/**
* Sets the displayed header names for the columns
*
* @param array $cols The column names
*/
public function SetDisplayNames($cols)
{
$this->colnames = $cols;
}
/**
* Hides a particular column, or multiple columns
*
* @param ... strings One or more column names
*/
public function HideColumn()
{
$this->hiddenColumns = array_unique(func_get_args());
}
/**
* Sets the column names (not using the display names) that
* don't get htmlspecialchars() applied to them
*
* @param string ... One or more column names
*/
public function NoSpecialChars()
{
$this->noSpecialChars = func_get_args();
}
/**
* This method allows you to specify one or more columns that cannot be sorted by
*
* @param string ... The column name (s). You can specify one or more.
*/
public function NoSort()
{
$args = func_get_args();
foreach ($args as $v) {
$this->noSort[] = $v;
}
// Should do this before running the query, but hey ho.
if (in_array(Datagrid::$orderby['column'], $this->noSort)) {
die('<span style="color: red">You are not allowed to sort by that column</span>');
}
}
/**
* Returns the number of pages in the datagrid
*
* @return int The number of pages in the datagrid
*/
public function GetPageCount()
{
$count = is_resource($this->connection) ? mysql_num_rows($this->resultset) : count($this->connection);
return ceil($count / $this->perPage);
}
/**
* Returns the number of rows in the result set.
*
* @return int The number of rows
*/
public function GetRowCount()
{
return $this->numresults;
}
/**
* I can't see the need for this, but you may. Simply returns the MySQL result set.
*
* @return resource The MySQL result set
*/
public function GetResultset()
{
if (is_array($this->connection)) {
die('<span style="color: red">Cannot get the result set - data source is an array</span>');
}
return $this->resultset;
}
/**
* Returns the MySQL connection
*
* @return resource The MySQL resouce
*/
public function GetConnection()
{
if (is_array($this->connection)) {
die('<span style="color: red">Cannot get the connection - data source is an array</span>');
}
return $this->connection;
}
/**
* Sets the header HTML./ This is NOT related to the table
* column headers. This is here purely for decorative purposes.
*
* @param string $html The HTML to set
*/
public function SetHeaderHTML($html)
{
$this->headerHTML = $html;
}
/**
* Sets the MySQL connection
*
* @param resource $connection The MySQL connection resouce
*/
public function SetConnection($connection)
{
if (is_array($this->connection)) {
die('<span style="color: red">Cannot set the connection - data source is an array</span>');
}
$this->connection = $connection;
}
/**
* This function sets the amount of rows to display
* per page
*
* @param int $perPage How many rows to show per page
*/
public function SetPerPage($perPage)
{
$this->perPage = $perPage;
}
/**
* For whatever reason you can use this to set the MySQL
* result set
*
* @param resource $result The MySQL result set. If you do use this method, it
* should come before the call to Display
*/
public function SetResultset($resultset)
{
if (is_array($this->connection)) {
die('<span style="color: red">Cannot set the result set - data source is an array</span>');
}
$this->resultset = $resultset;
$this->numresults = mysql_num_rows($this->resultset);
$this->colnum = mysql_num_fields($this->resultset) - count($this->hiddenColumns);
}
/**
* Adds a rowcallback function which gets called just before each row is going
* to be displayed
*
* @param string &$row The function name that is the callback function.
*/
public function AddCallback($callback)
{
$this->rowcallback = $callback;
}
/**
* Shows the datagrid.
*/
function Display()
{
/**
* Seek to the correct place in the result set
*/
if (is_array($this->connection)) {
$this->orig_array = $this->connection;
$this->connection = array_slice($this->connection, $this->startnum, $this->perPage);
} else {
if (mysql_num_rows($this->resultset)) {
mysql_data_seek($this->resultset, $this->startnum);
}
}
/**
* Initialise the row number
*/
$rownum = 0;
/**
* Get the headers from the first row, then seek back to zero
*/
$row = is_array($this->connection) ? $this->connection[0] : mysql_fetch_array($this->resultset, MYSQL_ASSOC);
$this->headers = !empty($row) ? array_keys($row) : array();
$this->initialcols = count($row);
$this->colnum = (is_array($this->connection) ? count($row) : mysql_num_fields($this->resultset)) - count($this->hiddenColumns);
is_array($this->connection) || mysql_num_rows($this->resultset) == 0 ? null : mysql_data_seek($this->resultset, $this->startnum);
$rowcount = 0;
?>
<script language="javascript" type="text/javascript">
<!--
/**
* The row mouseover function
*/
function MouseOver(rownum)
{
var tags = document.getElementsByTagName('td')
for (var i=0; i<tags.length; i++) {
if(tags[i].className.indexOf('row_' + rownum + ' ') != -1) {
tags[i].className = tags[i].className += ' mouseover';
};
}
}
/**
* the row mouseout function
*/
function MouseOut(rownum)
{
var tags = document.getElementsByTagName('td')
for (var i=0; i<tags.length; i++) {
if(tags[i].className.indexOf('row_' + rownum) != -1) {
tags[i].className = tags[i].className.replace(/ mouseover/, '');
};
}
}
// -->
</script>
<table border="0" cellspacing="<?=$this->cellspacing?>" cellpadding="<?=$this->cellpadding?>" class="datagrid">
<thead>
<?if($this->headerHTML):?>
<tr>
<th id="header" colspan="<?=$this->colnum?>">
<?=$this->headerHTML?>
</th>
</tr>
<?endif?>
<?if($this->showHeaders):?>
<tr>
<?foreach($this->headers as $k => $h):?>
<?if(in_array($h, $this->hiddenColumns)) continue?>
<th class="col_<?=$k?>" title="<?=($printable = !empty($this->colnames[$h]) ? $this->colnames[$h] : $h)?>">
<?if($this->allowSorting AND !in_array($h, $this->noSort)):?>
<a href="<?=$this->getQueryString()?>&orderBy=<?=$h?>&orderDir=<?=(!empty($_GET['orderDir']) && $_GET['orderBy'] == $h ? 0 : 1)?>">
<?=$printable?>
</a>
<?else:?>
<?=$printable?>
<?endif?>
<?if($this->allowSorting):?>
<!-- The order indicator -->
<?if($h == Datagrid::$orderby['column']):?>
<span style="font-family: WebDings">
<?=(!empty(Datagrid::$orderby['direction']) && trim(Datagrid::$orderby['direction']) == 1 ? 5 : 6)?>
</span>
<?endif?>
<?endif?>
</th>
<?endforeach?>
</tr>
<?endif?>
</thead>
<tbody>
<?while($row = (is_array($this->connection) ? current($this->connection) : mysql_fetch_array($this->resultset, MYSQL_ASSOC))):?>
<?$colnum = 0; @$rowcount++?>
<?if($this->rowcallback):?>
<?call_user_func($this->rowcallback, &$row)?>
<?endif?>
<tr onmouseover="MouseOver(<?=intval($rownum)?>)" onmouseout="MouseOut(<?=intval($rownum)?>)">
<?foreach($row as $k => $v):?>
<?if(in_array($k, $this->hiddenColumns)) continue?>
<td class="row_<?=intval($rownum)?> col_<?=(!empty($colnum) ? $colnum : 0)?> <?if($rownum % 2 == 1):?>altrow<?endif?> <?if($colnum % 2 == 1):?>altcol<?endif?>">
<?=(in_array($k, $this->noSpecialChars) ? $v : htmlspecialchars($v))?>
</td>
<?$colnum++?>
<?endforeach?>
</tr>
<?if($rownum++ == ($this->perPage - 1) ) break?>
<?if(is_array($this->connection)): next($this->connection); endif?>
<?endwhile?>
</tbody>
<tfoot>
<tr>
<td colspan="<?=$this->colnum?>" class="paging">
<?if(@$this->startnum > 0):?>
<span style="float: left">
<a href="<?=$this->getQueryString(intval($this->startnum) - $this->perPage)?>">
« Prev
</a>
</span>
<?endif?>
<?if($this->numresults > (@$this->startnum + $this->perPage)):?>
<span style="float: right">
<a href="<?=$this->getQueryString(intval($this->startnum) + $this->perPage)?>">
Next »
</a>
</span>
<?endif?>
</td>
</tr>
<tr>
<td align="center" colspan="<?=$this->colnum?>" class="paging_results">
<?=($this->numresults > 0 ? intval($this->startnum) + 1 : 0)?>-<?=(intval($this->startnum) + $rowcount)?> of <?=intval($this->numresults)?> results
</td>
</tr>
</tfoot>
</table>
<?php
}
/**
* A private method used to build the query string
*
* @param int The starting number
* @return string The query string
*/
private function getQueryString($startnum = null)
{
if ($startnum === null) {
$startnum = !empty($_GET['start']) ? $_GET['start'] : 0;
}
$_GET['start'] = $startnum;
$qs = '?';
foreach ($_GET as $k => $v) {
$qs .= urlencode($k) . '=' . urlencode($v) . '&';
}
// If the query string is just a question mark, lose it
if ($qs == '?') {
$qs = '';
}
return preg_replace('/&$/', '', $qs);
}
/**
* Sort an array based datagrid
*/
private function _sortArray($a, $b)
{
if (empty(Datagrid::$orderby)) {
Datagrid::$orderby = key($a);
Datagrid::$orderdir = 1; // Ascending
}
// Ascending
if (Datagrid::$orderby['direction']) {
if ($a[Datagrid::$orderby['column']] > $b[Datagrid::$orderby['column']]) {
return 1;
} elseif ($a[Datagrid::$orderby['column']] < $b[Datagrid::$orderby['column']]) {
return -1;
} else {
return 0;
}
// Descending
} else {
if ($a[Datagrid::$orderby['column']] > $b[Datagrid::$orderby['column']]) {
return -1;
} elseif ($a[Datagrid::$orderby['column']] < $b[Datagrid::$orderby['column']]) {
return 1;
} else {
return 0;
}
}
}
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>pour afficher les contacts</title>
</head>
<body background="bg.jpg">
<?php
if(isset($_POST['liste'])){
$sql_serveur="localhost";
$sql_user="xxx";
$sql_passwd="xxx";
$dbase="gest_contacts";
$connection=mysql_connect($sql_serveur,$sql_user,$sql_passwd);
mysql_select_db($dbase,$connection);
$resultset = mysql_query("SELECT * FROM contacts where etat ='A' odrer by nom_contact",$connection);
$grid = DataGrid::Create($dbase, $resultset);
$grid->Display();
}
else{
echo "la variable n'exist pas";
}
?>
</body>
</html> |
