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ZendForm.php
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ZendForm.php
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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @package Zend_ProgressBar
*/
use Zend\File\Transfer\Adapter\Http;
use Zend\Form\Form;
use Zend\Form\Element;
use Zend\Form\View\Helper;
use Zend\Loader\StandardAutoloader;
use Zend\ProgressBar\Adapter\JsPull;
/**
* This sample file demonstrates an advanced use case of Zend_ProgressBar with
* Zend_Form and Zend_File_Transfer.
*/
require_once dirname(dirname(dirname(__DIR__))) . '/library/Zend/Loader/StandardAutoloader.php';
$loader = new StandardAutoloader(array('autoregister_zf' => true));
$loader->register();
if (isset($_GET['progress_key'])) {
$adapter = new JsPull();
Http::getProgress(array('progress' => $adapter));
die;
}
?>
<html>
<head>
<title>Zend_ProgressBar Upload Demo</title>
<style type="text/css">
iframe {
position: absolute;
left: -100px;
top: -100px;
width: 10px;
height: 10px;
overflow: hidden;
}
#progressbar {
position: absolute;
left: 10px;
top: 120px;
}
.pg-progressbar {
position: relative;
width: 250px;
height: 24px;
overflow: hidden;
border: 1px solid #c6c6c6;
}
.pg-progress {
z-index: 150;
position: absolute;
left: 0;
top: 0;
width: 0;
height: 24px;
overflow: hidden;
}
.pg-progressstyle {
height: 22px;
border: 1px solid #748a9e;
background-image: url('animation.gif');
}
.pg-text,
.pg-invertedtext {
position: absolute;
left: 0;
top: 4px;
width: 250px;
text-align: center;
font-family: sans-serif;
font-size: 12px;
}
.pg-invertedtext {
color: #ffffff;
}
.pg-text {
z-index: 100;
color: #000000;
}
</style>
<script type="text/javascript">
function makeRequest(url)
{
var httpRequest;
if (window.XMLHttpRequest) {
httpRequest = new XMLHttpRequest();
if (httpRequest.overrideMimeType) {
httpRequest.overrideMimeType('text/xml');
}
} else if (window.ActiveXObject) {
try {
httpRequest = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {
}
}
}
if (!httpRequest) {
alert('Giving up :( Cannot create an XMLHTTP instance');
return false;
}
httpRequest.onreadystatechange = function () {
evalProgress(httpRequest);
};
httpRequest.open('GET', url, true);
httpRequest.send('');
}
function observeProgress()
{
setTimeout("getProgress()", 1500);
}
function getProgress()
{
makeRequest('ZendForm.php?progress_key=' + document.getElementById('progress_key').value);
}
function evalProgress(httpRequest)
{
try {
if (httpRequest.readyState == 4) {
if (httpRequest.status == 200) {
eval('var data = ' + httpRequest.responseText);
if (data.finished) {
finish();
} else {
update(data);
setTimeout("getProgress()", 1000);
}
} else {
alert('There was a problem with the request.');
}
}
} catch (e) {
alert('Caught Exception: ' + e.description);
}
}
function update(data)
{
document.getElementById('pg-percent').style.width = data.percent + '%';
document.getElementById('pg-text-1').innerHTML = data.text;
document.getElementById('pg-text-2').innerHTML = data.text;
}
function finish()
{
document.getElementById('pg-percent').style.width = '100%';
document.getElementById('pg-text-1').innerHTML = 'Upload done';
document.getElementById('pg-text-2').innerHTML = 'Upload done';
}
</script>
</head>
<body>
<?php
$file = new Element\File('file');
$file->setLabel('File');
$progress_key = new Element\Hidden('progress_key');
$progress_key->setAttribute('id', 'progress_key');
$progress_key->setValue(md5(uniqid(rand())));
$submit = new Element\Submit('submit');
$submit->setValue('Upload!');
$form = new Form("ZendForm");
$form->setAttributes(array(
'enctype' => 'multipart/form-data',
'action' => 'ZendForm.php',
'target' => 'uploadTarget',
'onsubmit' => 'observeProgress();'
));
$form->prepare();
$formhelper = new Helper\Form();
$formfile = new Helper\FormFile();
$formhidden = new Helper\FormHidden();
$formsubmit = new Helper\FormSubmit();
echo $formhelper->openTag($form);
echo $formhidden($progress_key);
echo $formfile($file);
echo $formsubmit($submit);
echo $formhelper->closeTag();
?>
<iframe name="uploadTarget"></iframe>
<div id="progressbar">
<div class="pg-progressbar">
<div class="pg-progress" id="pg-percent">
<div class="pg-progressstyle"></div>
<div class="pg-invertedtext" id="pg-text-1"></div>
</div>
<div class="pg-text" id="pg-text-2"></div>
</div>
</div>
<div id="progressBar">
<div id="progressDone"></div>
</div>
</body>
</html>