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<?php
// $HeadURL: https://joomgallery.org/svn/joomgallery/JG-2.0/JG/trunk/components/com_joomgallery/models/detail.php $
// $Id: detail.php 3848 2012-09-13 16:03:31Z chraneco $
/****************************************************************************************\
** JoomGallery 2 **
** By: JoomGallery::ProjectTeam **
** Copyright (C) 2008 - 2012 JoomGallery::ProjectTeam **
** Based on: JoomGallery 1.0.0 by JoomGallery::ProjectTeam **
** Released under GNU GPL Public License **
** License: http://www.gnu.org/copyleft/gpl.html or have a look **
** at administrator/components/com_joomgallery/LICENSE.TXT **
\****************************************************************************************/
defined('_JEXEC') or die('Direct Access to this location is not allowed.');
/**
* Detail view model
*
* @package JoomGallery
* @since 1.5.5
*/
class JoomGalleryModelDetail extends JoomGalleryModel
{
/**
* Image ID
*
* @var int
*/
protected $_id = 0;
/**
* Image data object
*
* @var object
*/
protected $_image = null;
/**
* Images data array
*
* @var array
*/
protected $_images = array();
/**
* Name tags data array
*
* @var array
*/
protected $_nametags = array();
/**
* Comments data array
*
* @var array
*/
protected $_comments = array();
/**
* Exif data string
*
* @var string
*/
protected $_exifdata = '';
/**
* Map data array
*
* @var string
*/
protected $_mapdata = array();
/**
* IPTC data string
*
* @var string
*/
protected $_iptcdata = '';
/**
* Constructor
*
* @return void
* @since 1.5.5
*/
public function __construct()
{
parent::__construct();
$id = JRequest::getVar('id', 0, '', 'int');
$this->setId((int)$id);
}
/**
* Method to set the image identifier
*
* @param int $id Image ID number
* @return void
* @since 1.5.5
*/
public function setId($id)
{
// Set new image ID if valid and wipe data
if(!$id)
{
$this->_mainframe->redirect(JRoute::_('index.php?view=gallery', false), JText::_('COM_JOOMGALLERY_COMMON_NO_IMAGE_SPECIFIED'), 'notice');
}
$this->_id = $id;
$this->_image = null;
}
/**
* Method to get the identifier
*
* @return int The image ID
* @since 1.5.5
*/
public function getId()
{
return $this->_id;
}
/**
* Method to get the image data
*
* @return object Image data object
* @since 1.5.5
*/
public function getImage()
{
jimport('joomla.filesystem.file');
if(empty($this->_image))
{
if($this->_loadImages())
{
$images = $this->_images;
}
else
{
JError::raiseError(500, JText::_('Unable to load images'));
}
#$image = $images[$this->_id]; see _loadImages()
foreach($images as $key => $row)
{
if($row->id == $this->_id)
{
$images[$key]->position = $key;
$image = $row;
break;
}
}
if(!isset($image))
{
$this->_mainframe->redirect(JRoute::_('index.php?view=gallery', false), JText::sprintf('Unable to load image with ID %d', $this->_id), 'error');
}
// Check whether the requested image is in a category
// which the current user is allowed to see it
$categories = $this->_ambit->getCategoryStructure();
if(!isset($categories[$image->catid]))
{
JError::raiseError(500, JText::sprintf('Unable to load image with ID %d', $this->_id), 'error');
}
// Source url
$image->img_src = $this->_ambit->getImg('img_url', $image);
// Information about original image if available
$orig = $this->_ambit->getImg('orig_path', $image);
if(JFile::exists($orig))
{
$image->orig_exists = true;
$orig_info = getimagesize($orig);
$orig_size = filesize($orig);
$image->orig_size = number_format($orig_size / 1024,
2,
JText::_('COM_JOOMGALLERY_COMMON_DECIMAL_SEPARATOR'),
JText::_('COM_JOOMGALLERY_COMMON_THOUSANDS_SEPARATOR')
);
}
else
{
$image->orig_exists = false;
$orig_info[0] = 0;
$orig_info[1] = 0;
$image->orig_size = JText::_('COM_JOOMGALLERY_DETAIL_INFO_FILESIZE_ORIGINAL_NOT_AVAILABLE');
}
// Information about detail image
$img = $this->_ambit->getImg('img_path', $image);
$img_info = getimagesize($img);
$img_size = filesize($img);
$image->img_size = number_format($img_size / 1024,
2,
JText::_('COM_JOOMGALLERY_COMMON_DECIMAL_SEPARATOR'),
JText::_('COM_JOOMGALLERY_COMMON_THOUSANDS_SEPARATOR')
);
$image->orig_width = $orig_info[0];
$image->orig_height = $orig_info[1];
$image->img_width = $img_info[0];
$image->img_height = $img_info[1];
$image->bigger_orig = false;
if( $image->orig_exists
&& $image->orig_width > $image->img_width
&& $image->orig_height > $image->img_height
)
{
$image->bigger_orig = true;
}
if($this->_config->get('jg_resizetomaxwidth'))
{
$ratio = max($image->img_width, $image->img_height);
$ratio = ($ratio / $this->_config->get('jg_maxwidth'));
$ratio = max($ratio, 1.0);
$image->width = (int)($image->img_width / $ratio);
$image->height = (int)($image->img_height / $ratio);
}
else
{
$image->width = $image->img_width;
$image->height = $image->img_height;
}
if($image->imgauthor)
{
$image->author = $image->imgauthor;
}
else
{
$image->author = JHTML::_('joomgallery.displayname', $image->imgowner, 'detail');
}
if( (($this->_config->get('jg_bigpic') == 1 && $this->_user->get('id'))
|| ($this->_config->get('jg_bigpic_unreg') == 1 && !$this->_user->get('id'))
)
#&& !$this->slideshow
&& $image->bigger_orig
)
{
$image->link = JHTML::_('joomgallery.openimage', $this->_config->get('jg_bigpic_open'), $image);
}
else
{
$image->link = '';
}
$this->_image = $image;
}
return $this->_image;
}
/**
* Method to get all the images of the current image's category
* The image has to be loaded first, because we need the catid
*
* @return array The images data array
* @since 1.5.5
*/
public function getImages()
{
if($this->_loadImages())
{
if($this->getImage())
{
if(!in_array($this->_image->access, $this->_user->getAuthorisedViewLevels()))
{
$this->_mainframe->redirect(JRoute::_('index.php?view=gallery', false),
JText::_('COM_JOOMGALLERY_COMMON_MSG_NOT_ALLOWED_VIEW_IMAGE'), 'notice');
}
}
else
{
$this->_mainframe->redirect(JRoute::_('index.php?view=gallery', false),JText::sprintf('Unable to load image with ID %d', $this->_id), 'error');
}
return $this->_images;
}
return false;
}
/**
* Method to get all the nametags of the current image
*
* @return array Nametags data array
* @since 1.5.5
*/
public function getNametags()
{
if($this->_loadNametags())
{
return $this->_nametags;
}
return array();
}
/**
* Method to get all the comments of the current image
*
* @return array Comments data array
* @since 1.5.5
*/
public function getComments()
{
if($this->_loadComments())
{
return $this->_comments;
}
return array();
}
/**
* Method to get the Exif data (HTML ouput) of the current image
*
* @return array Exif data array
* @since 1.5.5
*/
public function getExifdata()
{
if($this->_loadExifdata())
{
return $this->_exifdata;
}
return false;
}
/**
* Method to get the map data of the current image
*
* @return array Map data array
* @since 1.5.5
*/
public function getMapdata()
{
if($this->_loadExifdata())
{
if($this->_mapdata)
{
return $this->_mapdata;
}
}
return false;
}
/**
* Method to get the IPTC data (HTML ouput) of the current image
*
* @return array Iptc data data array
* @since 1.5.5
*/
public function getIptcdata()
{
if($this->_loadIptcdata())
{
return $this->_iptcdata;
}
return false;
}
/**
* Method to increment the hit counter for the image
*
* @return boolean True on success, false otherwise
* @since 1.5.5
*/
public function hit()
{
if($this->_id)
{
$image = $this->getTable('joomgalleryimages');
$image->hit($this->_id);
return true;
}
return false;
}
/**
* Tests if image is checked out
*
* @param int $uid A user id
* @return boolean True if it is checked out, false otherwise
* @since 1.5.5
*/
public function isCheckedOut($uid = 0)
{
if($this->_loadImage())
{
if($uid)
{
return ($this->_image->checked_out && $this->_image->checked_out != $uid);
}
else
{
return $this->_image->checked_out;
}
}
else
{
if(!$this->_id)
{
return false;
}
else
{
JError::raiseWarning( 0, 'Unable to Load Data');
return false;
}
}
}
/**
* Method to checkin/unlock the image
*
* @return boolean True on success, false otherwise
* @since 1.5.5
*/
public function checkin()
{
if($this->_id)
{
$image = JTable::getInstance('joomgalleryimages');
return $image->checkin($this->_id);
}
return false;
}
/**
* Method to checkout/lock the image
*
* @param int $uid User ID of the user checking the article out
* @return boolean True on success, false otherwise
* @since 1.5.5
*/
public function checkout($uid = null)
{
if($this->_id)
{
// Make sure we have a user id to checkout the image with
if(is_null($uid))
{
$user = JFactory::getUser();
$uid = $user->get('id');
}
// Let's get to it and checkout the thing...
$image = JTable::getInstance('joomgalleryimages');
return $image->checkout($uid, $this->_id);
}
return false;
}
/**
* Method to load the images data
*
* @return boolean True on success, false otherwise
* @since 1.5.5
*/
protected function _loadImages()
{
if(!$this->_id)
{
return false;
}
// Load the images data if it doesn't already exist
if(empty($this->_images))
{
$authorisedViewLevels = implode(',', $this->_user->getAuthorisedViewLevels());
// First get the category the image belongs too
$query = $this->_db->getQuery(true)
->select('catid')
->from(_JOOM_TABLE_IMAGES)
->where('id = '.$this->_id);
$this->_db->setQuery($query);
if(!($catid = $this->_db->loadResult()))
{
$this->_mainframe->redirect(JRoute::_('index.php?view=gallery', false), JText::sprintf('COM_JOOMGALLERY_COMMON_ERROR_IMAGE_NOT_FOUND', $this->_id), 'error');
}
// Get all the images data of that category
$query->clear()
->select('a.*, a.owner AS imgowner, c.metadesc AS catmetadesc, c.metakey AS catmetakey')
->select(JoomHelper::getSQLRatingClause('a').' AS rating')
->from(_JOOM_TABLE_IMAGES.' AS a')
->leftJoin(_JOOM_TABLE_CATEGORIES.' AS c ON c.cid = a.catid')
->where('a.catid = '.$catid)
->where('a.published = 1')
->where('a.approved = 1')
->where('(a.hidden = 0 OR a.id = '.$this->_id.')')
->where('a.access IN ('.$authorisedViewLevels.')')
->where('c.access IN ('.$authorisedViewLevels.')')
->order('a.'.$this->_config->get('jg_firstorder'));
if($this->_config->get('jg_secondorder'))
{
$query->order('a.'.$this->_config->get('jg_secondorder'));
if($this->_config->get('jg_thirdorder'))
{
$query->order('a.'.$this->_config->get('jg_thirdorder'));
}
}
$this->_db->setQuery($query);
if(!$rows = $this->_db->loadObjectList())
{
$this->_mainframe->redirect(JRoute::_('index.php?view=gallery', false), JText::sprintf('COM_JOOMGALLERY_COMMON_ERROR_IMAGE_NOT_FOUND', $this->_id), 'error');
}
$this->_images = $rows;
return true;
}
return true;
}
/**
* Method to load the nametags data
*
* @return boolean True on success, false otherwise
* @since 1.5.5
*/
protected function _loadNametags()
{
if(!$this->_id)
{
return false;
}
// Load the nametags data if it doesn't already exist
if(empty($this->_nametags))
{
$query = $this->_db->getQuery(true)
->select('*, 500 AS maxzindex')
->from(_JOOM_TABLE_NAMESHIELDS)
->where('npicid = '.$this->_id);
$this->_db->setQuery($query);
if(!$rows = $this->_db->loadObjectList())
{
return false;
}
$this->_nametags = $rows;
}
return true;
}
/**
* Method to load comments data
*
* @return boolean True on success, false otherwise
* @since 1.5.5
*/
protected function _loadComments()
{
if(!$this->_id)
{
return false;
}
// Load the comments data if it doesn't already exist
if(empty($this->_comments))
{
$orderby = 'ASC';
if($this->_config->get('jg_showcommentsarea') == 1)
{
$orderby = 'DESC';
}
$query = $this->_db->getQuery(true)
->select('*')
->from(_JOOM_TABLE_COMMENTS)
->where('cmtpic = '.$this->_id)
->where('published = 1')
->where('approved = 1')
->order('cmtid '.$orderby);
$this->_db->setQuery($query);
if(!$rows = $this->_db->loadObjectList())
{
return false;
}
$this->_comments = $rows;
}
return true;
}
/**
* Method to load Exif data
*
* @return boolean True on success, false otherwise
* @since 1.5.5
*/
protected function _loadExifdata()
{
if(!$this->_id)
{
return false;
}
// Load the Exif data if it doesn't already exist
if(empty($this->_exifdata) && $this->_exifdata !== false)
{
if(empty($this->image))
{
if(!$this->getImage())
{
return false;
}
}
$mapdata = false;
// PHP's exif only accepts JPEGs or TIFFs
$valid_extensions = array('jpg', 'jpeg', 'jpe');
$fileextension = strtolower(JFile::getExt($this->_image->imgfilename));
$exif_array = array();
if(in_array($fileextension, $valid_extensions))
{
$exif_array = @exif_read_data($this->_ambit->getImg('orig_path', $this->_image), 'EXIF, IFD0, GPS', true);
if(!$exif_array)
{
return false;
}
}
else
{
return false;
}
$language = JFactory::getLanguage();
$language->load('com_joomgallery.exif');
require_once(JPATH_COMPONENT_ADMINISTRATOR.DS.'includes'.DS.'exifarray.php');
$ii = 0;
$ifdotags = explode(',', $this->_config->get('jg_ifdotags'));
$subifdtags = explode(',', $this->_config->get('jg_subifdtags'));
$gpstags = explode(',', $this->_config->get('jg_gpstags'));
// For GPS tags check for enabled geotagging
if($this->_config->get('jg_showgeotagging'))
{
$gpstags = array_unique(array_merge($gpstags, array(1, 2, 3, 4, 5)));
sort($gpstags);
}
$countifdotags = count($ifdotags);
$countsubifdtags = count($subifdtags);
$countgpstags = count($gpstags);
$definitions = array(
1 => array ('TAG' => 'IFD0', 'FORS' => $ifdotags, 'FOR' => '$ifdotag'),
2 => array ('TAG' => 'EXIF', 'FORS' => $subifdtags, 'FOR' => '$subifdtag'),
3 => array ('TAG' => 'GPS', 'FORS' => $gpstags, 'FOR' => '$gpstags')
);
$count = count($definitions);
$output = '';
for($ii = 1; $ii <= $count; $ii++)
{
$tagcat = $definitions[$ii]['TAG'];
$jgtags = $definitions[$ii]['FORS'];
$jgtag = $definitions[$ii]['FOR'];
$k = 0;
foreach($jgtags as $jgtag)
{
if(!empty($jgtag) && isset($exif_array[$tagcat][$exif_config_array[$tagcat][$jgtag]['Attribute']]))
{
// Disable output of GPS tags if they aren't selected for displaying
// (the information has to be collected if geotagging is enabled, so they are also in the array)
if($tagcat != 'GPS' || strpos($this->_config->get('jg_gpstags').',', $jgtag.',') !== false)
{
$kk = $k % 2 + 1;
$tagdata = $exif_array[$tagcat][$exif_config_array[$tagcat][$jgtag]['Attribute']];
$output .= " <div class=\"sectiontableentry".$kk."\">\n";
$output .= " <div class=\"jg_exif_left\">\n";
// $output .= " ".$jgtag."\n";
// $output .= " \n";
$output .= " ".$exif_config_array[$tagcat][$jgtag]['Name']."\n";
$output .= " </div>\n";
$output .= " <div class=\"jg_exif_right\">\n";
}
if($exif_config_array[$tagcat][$jgtag]['Calculation'] =='Denum')
{
list($numerator, $denumerator) = explode('/', $tagdata);
$tagdata = ($numerator / $denumerator);
$tagdata = round($tagdata,2);
if($exif_config_array[$tagcat][$jgtag]['Attribute'] == 'FNumber')
{
$tagdata = JText::_('COM_JOOMGALLERY_SUBIFD_FNUMBER_F').$tagdata;
}
}
if($exif_config_array[$tagcat][$jgtag]['Calculation'] == 'Array')
{
$tagdata = $exif_config_array[$tagcat][$jgtag][$exif_array[$tagcat][$exif_config_array[$tagcat][$jgtag]['Attribute']]];
}
if($exif_config_array[$tagcat][$jgtag]['Attribute'] == 'ImageDescription'
|| $exif_config_array[$tagcat][$jgtag]['Attribute'] == 'Artist'
|| $exif_config_array[$tagcat][$jgtag]['Attribute'] == 'Copyright')
{
$tagdata = $exif_array[$tagcat][$exif_config_array[$tagcat][$jgtag]['Attribute']];
$from_charset = 'ASCII';
$to_charset = 'UTF-8';
if(function_exists('iconv'))
{
$fixedenteties = htmlentities($tagdata);
$fixedcharset = iconv($from_charset, $to_charset, $fixedenteties);
}
else
{
$fixedcharset = $tagdata;
}
if(!$this->isUtf8($fixedcharset))
{
$tagdata = htmlspecialchars_decode($this->utf8EncodeMix($fixedcharset, false));
}
else
{
$tagdata = htmlspecialchars_decode($fixedcharset);
}
}
if( $exif_config_array[$tagcat][$jgtag]['Attribute'] == 'ReferenceBlackWhite'
|| $exif_config_array[$tagcat][$jgtag]['Attribute'] == 'PrimaryChromaticities'
|| $exif_config_array[$tagcat][$jgtag]['Attribute'] == 'WhitePoint'
|| $exif_config_array[$tagcat][$jgtag]['Attribute'] == 'YCbCrCoefficients'
)
{
if($exif_config_array[$tagcat][$jgtag]['Attribute'] == 'WhitePoint')
{
$arraynum = 2;
$counter = 1;
}
elseif($exif_config_array[$tagcat][$jgtag]['Attribute'] == 'YCbCrCoefficients')
{
$arraynum = 3;
$counter = 2;
}
else
{
$arraynum = 6;
$counter = 5;
}
$tagdata = '[';
for($num = 0; $num < $arraynum; $num++)
{
$data = $exif_array[$tagcat][$exif_config_array[$tagcat][$jgtag]['Attribute']][$num];
list($numerator, $denumerator) = explode('/', $data);
$data = ($numerator / $denumerator);
$tagdata .= $data;
if($num < $counter)
{
$tagdata .= ', ';
}
}
$tagdata .= ']';
}
if($exif_config_array[$tagcat][$jgtag]['Attribute'] == 'ExifVersion')
{
if($exif_array[$tagcat][$exif_config_array[$tagcat][$jgtag]['Attribute']] == '0220')
{
$tagdata = JText::_('COM_JOOMGALLERY_SUBIFD_EXIFVERSION_VERSION') . ' 2.2';
}
elseif($exif_array[$tagcat][$exif_config_array[$tagcat][$jgtag]['Attribute']] == '0210')
{
$tagdata = JText::_('COM_JOOMGALLERY_SUBIFD_EXIFVERSION_VERSION') . ' 2.1';
}
}
if($exif_config_array[$tagcat][$jgtag]['Attribute'] == 'ComponentsConfiguration')
{
$tagdata = '';
for($num = 0; $num < 4; $num++ )
{
$value = ord($exif_array[$tagcat][$exif_config_array[$tagcat][$jgtag]['Attribute']]{$num});
$tagdata .= JText::_('COM_JOOMGALLERY_SUBIFD_COMPONENTSCONFIGURATION_COMPONENT') . ( $num + 1 ) . ': ';
switch($value)
{
case 0:
$tagdata .= JText::_('COM_JOOMGALLERY_SUBIFD_COMPONENTSCONFIGURATION_0');
break;
case 1:
$tagdata .= JText::_('COM_JOOMGALLERY_SUBIFD_COMPONENTSCONFIGURATION_1');
break;
case 2:
$tagdata .= JText::_('COM_JOOMGALLERY_SUBIFD_COMPONENTSCONFIGURATION_2');
break;
case 3:
$tagdata .= JText::_('COM_JOOMGALLERY_SUBIFD_COMPONENTSCONFIGURATION_3');
break;
case 4:
$tagdata .= JText::_('COM_JOOMGALLERY_SUBIFD_COMPONENTSCONFIGURATION_4');
break;
case 5:
$tagdata .= JText::_('COM_JOOMGALLERY_SUBIFD_COMPONENTSCONFIGURATION_5');
break;
case 6:
$tagdata .= JText::_('COM_JOOMGALLERY_SUBIFD_COMPONENTSCONFIGURATION_6');
break;
default:
$tagdata .= JText::_('COM_JOOMGALLERY_SUBIFD_COMPONENTSCONFIGURATION_UNKNOWN') . $value;
}
$tagdata .= '<br />';
}
}
if($exif_config_array[$tagcat][$jgtag]['Attribute'] == 'FileSource')
{
$tagdata = '';
$value = ord($exif_array[$tagcat][$exif_config_array[$tagcat][$jgtag]['Attribute']]{0});
switch($value)
{
case 3:
$tagdata .= JText::_('COM_JOOMGALLERY_SUBIFD_FILESOURCE_3');
break;
default:
$tagdata = JText::_('COM_JOOMGALLERY_SUBIFD_FILESOURCE_UNKNOWN') . $value;
}
}
if($exif_config_array[$tagcat][$jgtag]['Attribute'] == 'SceneType')
{
$tagdata = '';
$value = ord($exif_array[$tagcat][$exif_config_array[$tagcat][$jgtag]['Attribute']]{0});
switch($value)
{
case 1:
$tagdata .= JText::_('COM_JOOMGALLERY_SUBIFD_SCENETYPE_1');
break;
default:
$tagdata = JText::_('COM_JOOMGALLERY_SUBIFD_SCENETYPE_UNKNOWN') . $value;
}
}
if($exif_config_array[$tagcat][$jgtag]['Attribute'] == 'GPSLatitudeRef')
{
$tagdata = '';
$value = $exif_array[$tagcat][$exif_config_array[$tagcat][$jgtag]['Attribute']];
switch($value)
{
case 'N':
$tagdata .= JText::_('COM_JOOMGALLERY_GPS_GPSLATITUDEREF_N');
break;
case 'S':
$tagdata .= JText::_('COM_JOOMGALLERY_GPS_GPSLATITUDEREF_S');
break;
}
// Geotagging
if($this->_config->get('jg_showgeotagging'))
{
$map_direction = $value;
}
}
if($exif_config_array[$tagcat][$jgtag]['Calculation'] == 'DegMinSec')
{
$tagdata = '';
$degree = $exif_array[$tagcat][$exif_config_array[$tagcat][$jgtag]['Attribute']][0];
list($numerator, $denumerator) = explode('/', $degree);
$degree = ($numerator/$denumerator);
$tagdata .= $degree.'°';
$tagdata .= ' ';
$minutes = $exif_array[$tagcat][$exif_config_array[$tagcat][$jgtag]['Attribute']][1];
list($numerator, $denumerator) = explode('/', $minutes);
$minutes = ($numerator/$denumerator);
$tagdata .= $minutes."'";
$tagdata .= " ";
$seconds = $exif_array[$tagcat][$exif_config_array[$tagcat][$jgtag]['Attribute']][2];
list($numerator, $denumerator) = explode('/', $seconds);
$seconds = ($numerator / $denumerator);
$tagdata .= $seconds."''";
// Geotagging
if($this->_config->get('jg_showgeotagging'))
{
$mapdata[$map_direction] = $degree + ( $minutes / 60 ) + ( $seconds / 3600 );
}
}
if($exif_config_array[$tagcat][$jgtag]['Attribute'] == 'GPSLongitudeRef')
{
$tagdata = '';
$value = $exif_array[$tagcat][$exif_config_array[$tagcat][$jgtag]['Attribute']];
switch($value)
{
case 'E':
$tagdata .= JText::_('COM_JOOMGALLERY_GPS_GPSLONGITUDEREF_E');
break;
case 'W':
$tagdata .= JText::_('COM_JOOMGALLERY_GPS_GPSLONGITUDEREF_W');
break;
}
// Geotagging
if($this->_config->get('jg_showgeotagging'))
{
$map_direction = $value;
}
}
if($exif_config_array[$tagcat][$jgtag]['Attribute'] == 'GPSAltitudeRef')
{
$tagdata = '';
$value = $exif_array[$tagcat][$exif_config_array[$tagcat][$jgtag]['Attribute']]{0};
$value = bindec($value);
switch($value)
{
case '0':
$tagdata .= JText::_('COM_JOOMGALLERY_GPS_GPSALTITUDEREF_0');
break;
case '1':
$tagdata .= JText::_('COM_JOOMGALLERY_GPS_GPSALTITUDEREF_1');
break;
}
}
// Disable output of GPS tags if they aren't selected for displaying
// (the information has to be collected if geotagging is enabled, so they are also in the array)
if($tagcat == 'GPS' && strpos($this->_config->get('jg_gpstags').',', $jgtag.',') === false)
{
continue;
}
if($tagdata == '')
{
$tagdata = ' ';
}
$tagdata = str_replace('Â', '', $tagdata);
$output .= ' '.$tagdata;
if($exif_config_array[$tagcat][$jgtag]['Units'] != '')
{
$output .= ' ';
$output .= $exif_config_array[$tagcat][$jgtag]['Units']."\n";
}
else
{
$output .= " \n";
}
$output .= " </div>\n";
$output .= " </div>\n";
$k++;
}
// else
// {
// $kk = $k%2+1;
// $output .= " <div class=\"sectiontableentry".$kk."\">\n";
// $output .= " <div class=\"jg_exif_left\">\n";
// $output .= " ".$jgtag."\n";
// $output .= " \n";
// $output .= " ".$exif_config_array[$tagcat][$jgtag]['Name']."\n";
// $output .= " </div>\n";
// $output .= " <div class=\"jg_exif_right\">\n";
// $output .= " nicht definiert";
// $output .= " </div>\n";
// $output .= " </div>\n";
// $k++;
// }
}
}
if($output)
{
$this->_exifdata = $output;
}
else
{
$this->_exifdata = false;
}
$this->_mapdata = $mapdata;
return true;
}
return true;
}
/**
* Method to load iptc data
*
* @return boolean True on success, false otherwise
* @since 1.5.5
*/
protected function _loadIptcdata()
{
if(!$this->_id)
{
return false;
}
// Load the iptc data if it doesn't already exist
if(empty($this->_iptcdata))
{
if(empty($this->_image))
{
if(!$this->getImage())
{
return false;
}
}
$valid_extensions = array('jpg', 'jpeg', 'jpe');
$fileextension = strtolower(JFile::getExt($this->_image->imgfilename));
$iptc_array = array();
if(in_array($fileextension, $valid_extensions))
{
$iptcimage = getimagesize($this->_ambit->getImg('orig_path', $this->_image), $info);
if(isset($info['APP13']))
{
$iptc_array = iptcparse($info['APP13']);
}
if(!$iptc_array)
{
return false;
}
}
else
{
return false;
}
$language = JFactory::getLanguage();
$language->load('com_joomgallery.iptc');
require_once(JPATH_COMPONENT_ADMINISTRATOR.DS.'includes'.DS.'iptcarray.php');
$ii = 0;
$iptctags = explode(',', $this->_config->get('jg_iptctags'));
$charsets = array(
'macintosh',
'ASCII',
'ISO-8859-1',
'UCS-4',
'UCS-4BE',
'UCS-4LE',
'UCS-2',
'UCS-2BE',
'UCS-2LE',
'UTF-32',
'UTF-32BE',
'UTF-32LE',
'UTF-16',
'UTF-16BE',
'UTF-16LE',
'UTF-7',
'UTF7-IMAP',
'UTF-8',
'EUC-JP',
'SJIS',
'eucJP-win',
'SJIS-win',
'ISO-2022-JP',
'JIS',
'ISO-8859-2',
'ISO-8859-3',
'ISO-8859-4',
'ISO-8859-5',
'ISO-8859-6',
'ISO-8859-7',
'ISO-8859-8',
'ISO-8859-9',
'ISO-8859-10',
'ISO-8859-13',
'ISO-8859-14',
'ISO-8859-15',
'byte2be',
'byte2le',
'byte4be',
'byte4le',
'BASE64',
'7bit',
'8bit',
'EUC-CN',
'CP936',
'HZ',
'EUC-TW',
'CP950',
'BIG-5',
'EUC-KR',
'UHC',
'ISO-2022-KR',
'Windows-1251',
'Windows-1252',
'CP866',
'KOI8-R'
);
if((isset($iptc_array['1#090'][0])) && in_array($iptc_array['1#090'][0], $charsets))
{
$from_charset = $iptc_array['1#090'][0];
}
else
{
$from_charset = '';
}
$to_charset = 'UTF-8';
$k = 0;
$output = '';
foreach($iptctags as $iptctag)
{
if(!empty($iptctag) && isset($iptc_config_array['IPTC'][$iptctag]['IMM']))
{
$realiptctag = str_replace(':', '#', $iptc_config_array['IPTC'][$iptctag]['IMM']);
if(isset($iptc_array[$realiptctag]))
{
if($realiptctag != '2#025')
{
$kk = $k%2+1;
$output .= " <div class=\"sectiontableentry".$kk."\">\n";
$output .= " <div class=\"jg_exif_left\">\n";
$output .= " ".$iptc_config_array['IPTC'][$iptctag]['Name']."\n";
$output .= " </div>\n";
$output .= " <div class=\"jg_exif_right\">\n";
if(function_exists('iconv'))
{
$fixedenteties = htmlentities($iptc_array[$realiptctag][0]);
$fixedcharset = iconv($from_charset, $to_charset, $fixedenteties);
}
else
{
$fixedcharset = $iptc_array[$realiptctag][0];
}
if(!$this->isUtf8($fixedcharset))
{
$tagdata = htmlspecialchars_decode($this->utf8EncodeMix($fixedcharset, false));
}
else
{
$tagdata = htmlspecialchars_decode($fixedcharset);
}
if($tagdata == '')
{
$tagdata = ' ';
}
$output .= " ".$tagdata."";
$output .= " </div>\n";
$output .= " </div>\n";
$k++;
}
else
{
$num = count($iptc_array['2#025']);
if($num > 0)
{
$kk = $k%2+1;
$tagdata = '';
$output .= " <div class=\"sectiontableentry".$kk."\">\n";
$output .= " <div class=\"jg_exif_left\">\n";
$output .= " ".$iptc_config_array['IPTC'][$iptctag]['Name']." \n";
$output .= " </div>\n";
$output .= " <div class=\"jg_exif_right\">\n";
for($i = 0; $i < $num; $i++)
{
if(function_exists('iconv'))
{
$fixedenteties = htmlentities($iptc_array[$realiptctag][$i]);
$fixedcharset = iconv($from_charset, $to_charset, $fixedenteties);
}
else
{
$fixedcharset = $iptc_array[$realiptctag][$i];
}
if(!$this->isUtf8($fixedcharset))
{
$tagdata .= htmlspecialchars_decode(utf8_encode_mix($fixedcharset, false));
}
else
{
$tagdata .= htmlspecialchars_decode($fixedcharset);
}
if($i < $num-1)
{
$tagdata .= ', ';
}
}
if(empty($tagdata))
{
$tagdata = ' ';
}
$output .= ' '.$tagdata;
$output .= " </div>\n";
$output .= " </div>\n";
}
}
}
}
}
$this->_iptcdata = $output;
return true;
}
return true;
}
/**
* Returns true if $string is valid UTF-8 and false otherwise.
*
* From http://w3.org/International/questions/qa-forms-utf-8.html
*
* @param string $string The string to be checked
* @return boolean True if $string is valid UTF-8, false otherwise
* @since 1.0.0
*/
public function isUtf8($string)
{
return preg_match('%^(?:
[\x09\x0A\x0D\x20-\x7E] # ASCII
| [\xC2-\xDF][\x80-\xBF] # non-overlong 2-byte
| \xE0[\xA0-\xBF][\x80-\xBF] # excluding overlongs
| [\xE1-\xEC\xEE\xEF][\x80-\xBF]{2} # straight 3-byte
| \xED[\x80-\x9F][\x80-\xBF] # excluding surrogates
| \xF0[\x90-\xBF][\x80-\xBF]{2} # planes 1-3
| [\xF1-\xF3][\x80-\xBF]{3} # planes 4-15
| \xF4[\x80-\x8F][\x80-\xBF]{2} # plane 16
)*$%xs', $string);
}
/**
* Encodes an ISO-8859-1 string to UTF-8
*
* Recursive call
*
* @param string/array $input The string(s) to be modified
* @param boolean $encode_keys True if the array keys should be encoded, too
* @return string/array The encoded string(s)
* @since 1.0.0
*/
public function utf8EncodeMix($input, $encode_keys = false)
{
if(is_array($input))
{
$result = array();
foreach($input as $k => $v)
{
$key = ($encode_keys) ? utf8_encode($k) : $k;
$result[$key] = $this->utf8EncodeMix($v, $encode_keys);
}
}
else
{
$result = utf8_encode($input);
}
return $result;
}
}
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