Source for file viewExif.act.php

<?php
/**
 * @since 11/27/06
 * @package polyphony.images
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: viewExif.act.php,v 1.4 2007/09/19 14:04:55 adamfranco Exp $
 */ 
 
require_once(POLYPHONY."/main/library/AbstractActions/MainWindowAction.class.php");
require_once(POLYPHONY."/main/library/RepositoryImporter/ExifRepositoryImporter.class.php");
require_once(EXIF);
 
/**
 * This Action allows the user to upload a file and view the exif/iptc fields and
 * data that it contains
 * 
 * @since 11/27/06
 * @package polyphony.images
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: viewExif.act.php,v 1.4 2007/09/19 14:04:55 adamfranco Exp $
 */
class viewExifAction
    extends MainWindowAction
{
        
    /**
     * Check Authorizations
     * 
     * @return boolean 
     * @access public
     * @since 6/08/05
     */
    function isAuthorizedToExecute () {
        return true;
    }
    
    
    function buildContent () {
        $harmoni = Harmoni::instance();
        $centerPane =$this->getActionRows();
        $centerPane->add(new Heading(_("Upload a file to view its EXIF/IPTC data"), 2), null, null, LEFT, TOP);
        
        ob_start();
        print "\n<form action='".$harmoni->request->quickURL()."' method='post' enctype='multipart/form-data'>";
        print "\n\t<input type='file' name='".RequestContext::name('image_file')."'/>";
        print "\n\t<input type='submit'/>";
        print "\n</form>";
        
        $centerPane->add(new Block(ob_get_clean(), STANDARD_BLOCK), null, null, LEFT, TOP);    
        
        if (isset($_FILES[RequestContext::name('image_file')])
            && !$_FILES[RequestContext::name('image_file')]['error']) 
        {
            $fileArray = $_FILES[RequestContext::name('image_file')];
            ob_start();
            print "<h2>".$fileArray['name']."</h2>";
            
            $exifImporter = new ExifRepositoryImporter($fileArray['tmp_name'], null, false);
            $exifImporter->getSingleAssetInfo($fileArray['tmp_name']);
            
//             printpre($exifImporter->_photoshopIPTC);
            
            print "\n<h3>"._("IPTC Fields")."</h3>";
            $this->printFields($exifImporter->extractPhotoshopMetaData());
            print "\n<h3>"._("EXIF Fields")."</h3>";
            $this->printFields($exifImporter->extractExifMetadata($fileArray['tmp_name']));
            
            $centerPane->add(new Block(ob_get_clean(), STANDARD_BLOCK), null, null, LEFT, TOP);    
        }        
    }
    
    /**
     * Print out a field list
     * 
     * @param array $fields 
     * @return void 
     * @access public
     * @since 11/27/06
     */
    function printFields ($fields) {
        print "\n<table border='1'>";
        print "\n\t<tr>";
        print "\n\t\t<th>"._("Field Name")."</th>";
        print "\n\t\t<th>"._("Value")."</th>";
        print "\n\t</tr>";
        foreach ($fields as $name => $value) {
            print "\n\t<tr>";
            print "\n\t<td>".$name."</td>";
            print "\n\t<td>".$value."</td>";
            print "\n\t</tr>";
        }        
        print "\n</table>";
    }
}
 
?>