Uses php to get the image list, passes it to javascript. I'm a javascript newbie but I managed to get the rotator script to work locally.
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<?php
$path_to_images = "images/"; // path to your images
$num_to_rotate = 12; // number or "ALL" (to rotate all images in directory)
// returns string to echo into JavaScript images array
function getJSRandomized($path, $list, $num) {
$str = '"';
mt_srand( (double)microtime() * 1000000 );
shuffle($list);
if ( $num == "ALL" ) $num = count($list);
for ($i=0; $i<$num; $i++) {
$str .= $path . $list[$i] . '", "';
}
// remove last comma and space
$str = substr($str, 0, -3);
return $str;
}
function getImagesList($path) {
$ctr = 0;
if ( $img_dir = @opendir($path) ) {
while ( false !== ($img_file = readdir($img_dir)) ) {
// add checks for other image file types here, if you like
if ( preg_match("/(\.gif|\.jpg)$/", $img_file) ) {
$images[$ctr] = $img_file;
$ctr++;
}
}
closedir($img_dir);
return $images;
} else {
return false;
}
}
?>
<head>
<title>Rotate Random Images from a Directory</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<style type="text/css">
@import "style/demo.css";
td { vertical-align:top }
</style>
<script src="/javascript/rotate-img/src/dw_rotator.js" type="text/javascript"></script>
<script src="/javascript/rotate-img/src/dw_random.js" type="text/javascript"></script>
</head>
<body onload="dw_Rotator.start()">
<!-- resorting to table for ns4 -->
<table border="0" cellpadding="0" cellspacing="0">
<tr>
<td colspan="2"><h1>Rotate Random Images</h1></td>
</tr>
<tr>
<td>
<p>This example combines the JavaScript random image rotation code with a PHP listing of images from a directory. The PHP array of images is transferred into a JavaScript array for use by the rotator code. </p>
<p>You can specify the number of images to include in the random rotation. You can also adjust the rate of rotation. Multiple sets of rotating images in a document are supported.</p>
<p>The images in the example are not linked, but they could be. The JavaScript rotator code provides the capability to specify functions to be called onclick which could be used creatively in combination with the file names from the directory listing.</p>
<p id="ref">Information about this code is available from <a href="http://www.dyn-web.com/scripts/rotate-rand/">Rotate Random Images - PHP/JS</a>.</p>
<p> </p>
<p><a href="http://www.dyn-web.com">www.dyn-web.com</a></p>
</td>
<!-- random image here -->
<td>
<?php if ( $image_list = getImagesList($path_to_images) ) : ?>
<script type="text/javascript">
/*************************************************************************
This code is from Dynamic Web Coding at dyn-web.com
Copyright 2001-5 by Sharon Paine
See Terms of Use at dyn-web.com/bus/terms.html
regarding conditions under which you may use this code.
This notice must be retained in the code as is!
See full source code at dyn-web.com/scripts/rotate-rand/
*************************************************************************/
var imgList = [
<?php echo getJSRandomized($path_to_images, $image_list, $num_to_rotate); ?>
];
var rotator1 = new dw_RandRotator(4000); // rotation speed
// images array, width and height of images, transition filter (boolean)
rotator1.setUpImage(imgList, null, null, false);
</script>
<?php else : ?>
<!-- image to display if directory listing fails -->
<img src="images/smile.gif" width="88" height="88" alt="">
<script type="text/javascript">dw_Rotator.start = function() {};</script>
<?php endif; ?>
</td>
</tr>
</table>
<script type="text/javascript">
function displayCodeInfo(id) {
function getPath(pn) {
return pn.slice(0, pn.lastIndexOf("/") + 1);
}
if ( !window.opener || getPath(window.opener.location.pathname) != getPath(window.location.pathname) ) {
var el = document.getElementById? document.getElementById(id): null;
if (el) el.style.display = "block";
}
}
// in case not opened by presenting doc
displayCodeInfo('ref');
</script>
</body>
</html>
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