/**
* Performs a demo of this plugin functionnalities.
*
* @author Jérôme Pierre <*****@*****.**>
* @version V1 - August 4th 2010
*
* @param sfWebRequest $request The current web request.
*
* @return sfView The appropriate view.
*
* @todo Find a better way to list the available methods.
*/
public function executeIndex(sfWebRequest $request)
{
// Defines the available methods.
$this->_methods = array('getFileName', 'getFileDateTime', 'getFileSize', 'getFileType', 'getMimeType', 'getSectionsFound', 'getCOMPUTED', 'getImageDescription', 'getOrientation', 'getYCbCrPositioning', 'getXResolution', 'getYResolution', 'getResolutionUnit', 'getDateTime', 'getDateTimeOriginal', 'getDateTimeDigitized', 'getMake', 'getModel', 'getSoftware', 'getExif_IFD_Pointer', 'getExifVersion', 'getFlashPixVersion', 'getColorSpace', 'getFNumber', 'getExposureTime', 'getExposureProgram', 'getISOSpeedRatings', 'getComponentsConfiguration', 'getShutterSpeedValue', 'getApertureValue', 'getExposureBiasValue', 'getMeteringMode', 'getFlash', 'getFlashPixVersion', 'getFocalLength', 'getUserComment', 'getExifImageWidth', 'getExifImageLength', 'getFocalPlaneXResolution', 'getFocalPlaneYResolution', 'getFocalPlaneResolutionUnit', 'getCustomRendered', 'getExposureMode', 'getWhiteBalance', 'getSceneCaptureType');
//
// Defines the upload directory and the default file path.
$upload_directory = sfConfig::get('sf_upload_dir') . '/s6yExifDataManagerPlugin';
$default_file_path = "{$upload_directory}/jpierre.jpg";
//
// Manage the default demo image.
if (!is_file($default_file_path)) {
$file_system = new sfFilesystem();
$file_system->copy(sfConfig::get('sf_plugins_dir') . '/s6yExifDataManagerPlugin/web/images/jpierre.jpg', $default_file_path, array('override' => true));
}
//
// Manage the upload of other demo images.
$this->_form = new s6yExifDataManagerForm();
if ($request->isMethod('POST')) {
$this->_form->bind($request->getPostParameter($this->_form->getName()), $request->getFiles($this->_form->getName()));
if ($this->_form->isValid()) {
$validated_file = $this->_form->getValue('_file_path');
$validated_file->save("{$upload_directory}/{$validated_file->getOriginalName()}");
$this->getUser()->setAttribute('_file_path', $validated_file->getSavedName());
}
}
//
// Defines the current file path.
$this->_file_path = $this->getUser()->getAttribute('_file_path', $default_file_path);
//
// Defines the current exif data.
$exif_data_manager = s6yExifDataManager::getInstance()->supplyImage($this->_file_path);
$this->_exif_data = array();
$methods = array_unique($this->_methods + array_keys($exif_data_manager->getExifData()));
foreach ($methods as $method) {
try {
$this->_exif_data[$method] = $exif_data_manager->{$method}();
} catch (sfException $e) {
$this->_exif_data[$method] = $e;
}
}
//
// Define the size of the demo image.
$max = 300;
try {
$width = $exif_data_manager->getExifImageWidth();
$height = $exif_data_manager->getExifImageLength();
} catch (sfException $e) {
try {
$computed = $exif_data_manager->getCOMPUTED();
$width = $computed['Width'];
$height = $computed['Height'];
} catch (sfException $e) {
$width = $max;
$height = $max;
}
}
if ($width > $max || $height > $max) {
if ($width > $height) {
$height = $height * $max / $width;
$width = $max;
} else {
$width = $width * $max / $height;
$height = $max;
}
}
$this->_image_width = $width;
$this->_image_height = $height;
//
}
/**
* Provides an instance of the current class.
*
* @author Jérôme Pierre <*****@*****.**>
* @version V1 - July 28th 2010
*
* @param string $path The absolute path to a JPEG/TIFF image file.
*
* @return s6yExifDataManager An instance of the current class.
*/
public static function getInstance($path = null)
{
if (!isset(self::$_instance)) {
self::$_instance = new self($path);
} else {
self::$_instance->supplyImage($path);
}
return self::$_instance;
}
