From 713f7ea1d16673bbcfce6a1a59cbc247632bd682 Mon Sep 17 00:00:00 2001 From: "Christophe.Boulain" <> Date: Fri, 24 Oct 2008 07:54:52 +0000 Subject: Added TActiveFileUpload --- .../Web/UI/ActiveControls/TActiveFileUpload.php | 316 +++++++++++++++++++++ 1 file changed, 316 insertions(+) create mode 100755 framework/Web/UI/ActiveControls/TActiveFileUpload.php (limited to 'framework/Web/UI/ActiveControls/TActiveFileUpload.php') diff --git a/framework/Web/UI/ActiveControls/TActiveFileUpload.php b/framework/Web/UI/ActiveControls/TActiveFileUpload.php new file mode 100755 index 00000000..6cfb336e --- /dev/null +++ b/framework/Web/UI/ActiveControls/TActiveFileUpload.php @@ -0,0 +1,316 @@ + + * @author Christophe Boulain + * @version $Id$ + */ + +/** + * Load TActiveControlAdapter and TFileUpload. + */ +Prado::using('System.Web.UI.ActiveControls.TActiveControlAdapter'); +Prado::using('System.Web.UI.WebControls.TFileUpload'); + +/** + * TActiveFileUpload + * + * TActiveFileUpload displays a file upload field on a page. Upon postback, + * the text entered into the field will be treated as the name of the file + * that will be uploaded to the server. The property {@link getHasFile HasFile} + * indicates whether the file upload is successful. If successful, the file + * may be obtained by calling {@link saveAs} to save it at a specified place. + * You can use {@link getFileName FileName}, {@link getFileType FileType}, + * {@link getFileSize FileSize} to get the original client-side file name, + * the file mime type, and the file size information. If the upload is not + * successful, {@link getErrorCode ErrorCode} contains the error code + * describing the cause of failure. + * + * TActiveFileUpload raises {@link onFileUpload OnFileUpload} event if a file is uploaded + * (whether it succeeds or not). + * + * TActiveFileUpload actually does a postback in a hidden IFrame, and then does a callback. + * This callback then raises the {@link onFileUpload OnFileUpload} event. After the postback + * a status icon is displayed; either a green checkmark if the upload is successful, + * or a red x if there was an error. + * + * @author Bradley Booms + * @author Christophe Boulain + * + * @version $Id$ + */ +class TActiveFileUpload extends TFileUpload implements IActiveControl, ICallbackEventHandler, INamingContainer +{ + + const SCRIPT_PATH = 'prado/activefileupload'; + + /** + * @var THiddenField a flag to tell which component is doing the callback. + */ + private $_flag; + /** + * @var TImage that spins to show that the file is being uploaded. + */ + private $_busy; + /** + * @var TImage that shows a green check mark for completed upload. + */ + private $_success; + /** + * @var TImage that shows a red X for incomplete upload. + */ + private $_error; + /** + * @var TInlineFrame used to submit the data in an "asynchronous" fashion. + */ + private $_target; + + + /** + * Creates a new callback control, sets the adapter to + * TActiveControlAdapter. If you override this class, be sure to set the + * adapter appropriately by, for example, by calling this constructor. + */ + public function __construct(){ + parent::__construct(); + $this->setAdapter(new TActiveControlAdapter($this)); + } + + + /** + * @param string asset file in the self::SCRIPT_PATH directory. + * @return string asset file url. + */ + protected function getAssetUrl($file='') + { + $base = $this->getPage()->getClientScript()->getPradoScriptAssetUrl(); + return $base.'/'.self::SCRIPT_PATH.'/'.$file; + } + + + /** + * This method is invoked when a file is uploaded. + * If you override this method, be sure to call the parent implementation to ensure + * the invocation of the attached event handlers. + * @param TEventParameter event parameter to be passed to the event handlers + */ + public function onFileUpload($param){ + if ($this->_flag->getValue() && $this->getPage()->getIsPostBack()){ + // save the file so that it will persist past the end of this return. + $localName = str_replace('\\', '/', tempnam(Prado::getPathOfNamespace($this->getTempPath()),'')); + parent::saveAs($localName); + + $filename=addslashes($this->getFileName()); + // return some javascript to display a completion status. + echo << + Options = new Object(); + Options.clientID = '{$this->getClientID()}'; + Options.targetID = '{$this->_target->getUniqueID()}'; + Options.localName = '$localName'; + Options.fileName = '{$filename}'; + Options.fileSize = '{$this->getFileSize()}'; + Options.fileType = '{$this->getFileType()}'; + Options.errorCode = '{$this->getErrorCode()}'; + parent.Prado.WebUI.TActiveFileUpload.onFileUpload(Options); + +EOS; + exit(); + } + } + + /** + * @return string the path where the uploaded file will be stored temporarily, in namespace format + * default "Application.runtime.*" + */ + public function getTempPath(){ + return $this->getViewState('TempPath', 'Application.runtime.*'); + } + + /** + * @param string the path where the uploaded file will be stored temporarily in namespace format + * default "Application.runtime.*" + */ + public function setTempPath($value){ + $this->setViewState('TempNamespace',$value,'Application.runtime.*'); + } + + /** + * @throws TInvalidDataValueException if the {@link getTempPath TempPath} is not writable. + */ + public function onInit($sender){ + parent::onInit($sender); + if (!is_writable(Prado::getPathOfNamespace($this->getTempPath()))){ + throw new TInvalidDataValueException("activefileupload_temppath_invalid", $this->getTempPath()); + } + } + + /** + * Raises OnFileUpload event. + * + * This method is required by {@link ICallbackEventHandler} interface. + * This method is mainly used by framework and control developers. + * @param TCallbackEventParameter the event parameter + */ + public function raiseCallbackEvent($param){ + $cp = $param->getCallbackParameter(); + if ($key = $cp->targetID == $this->_target->getUniqueID()){ + $_FILES[$key]['name'] = $cp->fileName; + $_FILES[$key]['size'] = intval($cp->fileSize); + $_FILES[$key]['type'] = $cp->fileType; + $_FILES[$key]['error'] = intval($cp->errorCode); + $_FILES[$key]['tmp_name'] = $cp->localName; + $this->loadPostData($key, null); + + $this->raiseEvent('OnFileUpload', $this, $param); + } + } + + /** + * Publish the javascript + */ + public function onPreRender($param){ + parent::onPreRender($param); + $this->getPage()->getClientScript()->registerPradoScript('activefileupload'); + } + + + public function createChildControls(){ + $this->_flag = Prado::createComponent('THiddenField'); + $this->_flag->setID('Flag'); + $this->getControls()->add($this->_flag); + + $this->_busy = Prado::createComponent('TImage'); + $this->_busy->setID('Busy'); + $this->_busy->setImageUrl($this->getAssetUrl('ActiveFileUploadIndicator.gif')); + $this->_busy->setStyle("display:none"); + $this->getControls()->add($this->_busy); + + $this->_success = Prado::createComponent('TImage'); + $this->_success->setID('Success'); + $this->_success->setImageUrl($this->getAssetUrl('ActiveFileUploadComplete.png')); + $this->_success->setStyle("display:none"); + $this->getControls()->add($this->_success); + + $this->_error = Prado::createComponent('TImage'); + $this->_error->setID('Error'); + $this->_error->setImageUrl($this->getAssetUrl('ActiveFileUploadError.png')); + $this->_error->setStyle("display:none"); + $this->getControls()->add($this->_error); + + $this->_target = Prado::createComponent('TInlineFrame'); + $this->_target->setID('Target'); + $this->_target->setFrameUrl($this->getAssetUrl('ActiveFileUploadBlank.html')); + $this->_target->setStyle("width:0px; height:0px;"); + $this->_target->setShowBorder(false); + $this->getControls()->add($this->_target); + } + + + /** + * Removes localfile on ending of the callback. + */ + public function onUnload($param){ + if ($this->getPage()->getIsCallback() && + $this->getHasFile() && + file_exists($this->getLocalName())){ + unlink($this->getLocalName()); + } + parent::onUnload($param); + } + + /** + * @return TBaseActiveCallbackControl standard callback control options. + */ + public function getActiveControl(){ + return $this->getAdapter()->getBaseActiveControl(); + } + + /** + * Adds ID attribute, and renders the javascript for active component. + * @param THtmlWriter the writer used for the rendering purpose + */ + public function addAttributesToRender($writer){ + parent::addAttributesToRender($writer); + $writer->addAttribute('id',$this->getClientID()); + + $this->getActiveControl()->registerCallbackClientScript($this->getClientClassName(),$this->getClientOptions()); + } + + /** + * @return string corresponding javascript class name for this control. + */ + protected function getClientClassName(){ + return 'Prado.WebUI.TActiveFileUpload'; + } + + /** + * Gets the client side options for this control. + * @return array ( inputID => input client ID, + * flagID => flag client ID, + * targetName => target unique ID, + * formID => form client ID, + * indicatorID => upload indicator client ID, + * completeID => complete client ID, + * errorID => error client ID) + */ + protected function getClientOptions(){ + $options['ID'] = $this->getClientID(); + $options['EventTarget'] = $this->getUniqueID(); + + $options['inputID'] = $this->getClientID(); + $options['flagID'] = $this->_flag->getClientID(); + $options['targetID'] = $this->_target->getUniqueID(); + $options['formID'] = $this->getPage()->getForm()->getClientID(); + $options['indicatorID'] = $this->_busy->getClientID(); + $options['completeID'] = $this->_success->getClientID(); + $options['errorID'] = $this->_error->getClientID(); + return $options; + } + + /** + * Saves the uploaded file. + * @param string the file name used to save the uploaded file + * @param boolean whether to delete the temporary file after saving. + * If true, you will not be able to save the uploaded file again. + * @return boolean true if the file saving is successful + */ + public function saveAs($fileName,$deleteTempFile=true){ + if (($this->getErrorCode()===UPLOAD_ERR_OK) && (file_exists($this->getLocalName()))){ + if ($deleteTempFile) + return rename($this->getLocalName(),$fileName); + else + return copy($this->getLocalName(),$fileName); + } else + return false; + } + + /** + * @return TImage the image displayed when an upload + * completes successfully. + */ + public function getSuccessImage(){ + $this->ensureChildControls(); + return $this->_success; + } + + /** + * @return TImage the image displayed when an upload + * does not complete successfully. + */ + public function getErrorImage(){ + $this->ensureChildControls(); + return $this->_error; + } + + /** + * @return TImage the image displayed when an upload + * is in progress. + */ + public function getBusyImage(){ + $this->ensureChildControls(); + return $this->_busy; + } +} +?> \ No newline at end of file -- cgit v1.2.3