📄 uploadprogressmeter.class.php
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<?php
/**
* Render out a file input box with javascript tied to it for a status bar
*
*/
class UploadProgressMeter {
var $name = 'upload';
var $targetIframeName = false;
var $progressId = false;
var $submitName = false;
var $uploadId = false;
var $maxFileSize = 8388608;
var $formExtra = 'onsubmit="UploadProgressMeter_Start(this); return true;" target="[frame_name]"';
var $formIframe = "<iframe id='[frame_name]' name='[frame_name]' src='' style='width:1px;height:1px;border:0'></iframe>";
var $progressBarDiv = '<div id="[id]" style="display: none" class="progressBar"><div class="background"><div class="bar"> </div></div><div class="message"></div></div></div><script type="text/javascript">UploadProgressMeter_Register(\'[id]\',\'[upload_id]\')</script>';
var $includeJs = '<script src="UploadProgressMeter.js" type="text/javascript"></script>';
var $input = '<input id="[name]" name="[submit_name]" size="30" type="file">';
var $hidden = '<input type=hidden name=UPLOAD_IDENTIFIER value="[id]">';
function UploadProgressMeter() {
$this->hidden .= '<input type="hidden" name="MAX_FILE_SIZE" value="'.$this->maxFileSize.'" />';
}
/**
* Checks if a file has been submited, useful if your uploading to the same page that is generating output
*/
function uploadComplete() {
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
return true;
}
return false;
}
/**
* Output html to the hidden iframe that will update the final status of the widget
*
* Checks for errors, if there is one outputs an error message
*/
function finalStatus() {
$error = false;
if (count($_FILES) == 0) {
$error = "Upload Failed, Unknown Error<br>";
}
foreach($_FILES as $file) {
switch($file['error']) {
case 0: // OK
break;
case 1: // exceded max post size
case 2: // exceded max file size
$error = "Upload Failed, file to big";
break;
case 3: // partial file
$error = "Upload Failed";
break;
case 4: // no file
$error = "Upload Failed, no file was uploaded";
break;
case 6: // no tmp dir
case 7: // can't write to tmp
$error = "Upload Failed, internal error";
break;
}
}
if ($this->progressId == false) {
$this->progressId = "progress_$this->name";
}
if ($error === false) {
$error = "Upload Complete";
}
return "<html><head><script type='text/javascript'>function update() { window.parent.uploadComplete('$this->progressId','".
addslashes($error). "'); }</script></head><body onload='update()'></body></html>";
}
function render() {
if ($this->submitName == false) {
$this->submitName = $this->name;
}
if ($this->progressId == false) {
$this->progressId = "progress_$this->name";
}
$ret = str_replace(array('[name]','[submit_name]'),array($this->name,$this->submitName),$this->input);
return $ret;
}
function renderIncludeJs() {
return $this->includeJs;
}
function renderFormExtra() {
if ($this->targetIframeName == false) {
$this->targetIframeName = "target_$this->name";
}
return str_replace(array('[name]','[frame_name]'),array($this->name,$this->targetIframeName),$this->formExtra);
}
function renderIframe() {
return str_replace(array('[frame_name]'),array($this->targetIframeName),$this->formIframe);
}
function renderProgressBar() {
return str_replace(array('[id]','[upload_id]'),array($this->progressId,$this->getUploadId()),$this->progressBarDiv);
}
function renderHidden() {
$ret = $this->renderIframe();
$ret .= $this->renderHiddenFields();
return $ret;
}
function renderHiddenFields() {
return str_replace('[id]',$this->getUploadId(),$this->hidden);
}
function getUploadId() {
if ($this->uploadId == false) {
$this->uploadId = rand() . '.' . time();
}
return $this->uploadId;
}
}
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