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<?php
// $HeadURL: https://joomgallery.org/svn/joomgallery/JG-1.5/JG/trunk/components/com_joomgallery/helpers/ambit.php $
// $Id: ambit.php 3092 2011-05-20 09:56:58Z aha $
/****************************************************************************************\
** JoomGallery 1.5.7 **
** By: JoomGallery::ProjectTeam **
** Copyright (C) 2008 - 2011 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.');
/**
* JoomGallery Ambit Class
*
* @package JoomGallery
* @since 1.5.5
*/
class JoomAmbit extends JObject
{
/**
* URL of the folder for the icons
*
* @access public
* @var string
*/
var $icon_url = '';
/**
* URL of the folder for the CSS files
*
* @access public
* @var string
*/
var $css_url = '';
/**
* URL of the folder for the JavaScript files
*
* @access public
* @var string
*/
var $js_url = '';
/**
* URL of the folder for thumbnails
*
* @access public
* @var string
*/
var $thumb_url = '';
/**
* URL of the folder for the detail images
*
* @access public
* @var string
*/
var $img_url = '';
/**
* URL of the folder for the original images
*
* @access public
* @var string
*/
var $orig_url = '';
/**
* Absolute path of the folder for the thumbnails
*
* @access public
* @var string
*/
var $thumb_path = '';
/**
* Absolute path of the folder for the details images
*
* @access public
* @var string
*/
var $img_path = '';
/**
* Absolute path of the folder for the original images
*
* @access public
* @var string
*/
var $orig_path = '';
/**
* Absolute path of the folder for temporary stored files and folders
*
* @access public
* @var string
*/
var $temp_path = '';
/**
* Absolute path of the folder for the FTP upload
*
* @access public
* @var string
*/
var $ftp_path = '';
/**
* The found Itemid for the current view
*
* @access protected
* @var int
*/
var $_Itemid = null;
/**
* Not in use yet
* This should be set to true if all images
* shall be output through the PHP script
*
* @access protected
* @var boolean
*/
var $_external = false;
/**
* The structure of the categories
*
* @access protected
* @var array
*/
var $_categorystructure = null;
/**
* The structure of all categories
*
* @access protected
* @var array
*/
var $_allcategorystructure = null;
/**
* Constructor
*
* Presets all variables
*
* @access protected
* @return void
* @since 1.5.5
*/
function __construct()
{
$config = JoomConfig::getInstance();
$this->_config = $config;
// Fill all variables
$this->icon_url = JURI::root().'components/'._JOOM_OPTION.'/assets/images/';
$this->css_url = JURI::base().'components/'._JOOM_OPTION.'/assets/css/';
$this->js_url = JURI::base().'components/'._JOOM_OPTION.'/assets/js/';
$this->thumb_url = JURI::root().$config->get('jg_paththumbs');
$this->img_url = JURI::root().$config->get('jg_pathimages');
$this->orig_url = JURI::root().$config->get('jg_pathoriginalimages');
$this->thumb_path = JPath::clean(JPATH_ROOT.DS.$config->get('jg_paththumbs'));
$this->img_path = JPath::clean(JPATH_ROOT.DS.$config->get('jg_pathimages'));
$this->orig_path = JPath::clean(JPATH_ROOT.DS.$config->get('jg_pathoriginalimages'));
$this->temp_path = JPath::clean(JPATH_ROOT.DS.$config->get('jg_pathtemp'));
$this->ftp_path = JPath::clean(JPATH_ROOT.DS.$config->get('jg_pathftpupload'));
}
/**
* Returns a reference to the global Ambit object, only creating it if it
* doesn't already exist.
*
* This method must be invoked as:
* <pre> $ambit = & JoomAmbit::getInstance();</pre>
*
* @access public
* @return JoomAmbit The Ambit object.
* @since 1.5.5
*/
function &getInstance()
{
static $instance;
if(!isset($instance))
{
$instance = new JoomAmbit();
}
return $instance;
}
/**
* Returns the URL to an icon
*
* @access public
* @param string $icon The filename of the icon
* @return string The URL to the icon
* @since 1.5.5
*/
function getIcon($icon)
{
return $this->get('icon_url').$icon;
}
/**
* Returns the URL to a style sheet
*
* @access public
* @param string $stylesheet The filename of the style sheet
* @return string The URL to the style sheet
* @since 1.5.5
*/
function getStyleSheet($stylesheet)
{
return $this->get('css_url').$stylesheet;
}
/**
* Returns the URL to a script file
*
* @access public
* @param string $script The filename of the script file
* @return string The URL to the script file
* @since 1.5.5
*/
function getScript($script)
{
return $this->get('js_url').$script;
}
/**
* Returns the URL or the path to an image
*
* @access public
* @param string $type The type of the URL or path
* @param string/object/int $img Filename, database object or ID of the image
* @param int $catid The ID of the category in which the image is stored
* @param boolean $route True, if URLs should be parsed by the router
* @param int $cropwidth Width of cropped image if required
* @param int $cropheight Height of cropped image if required
* @param int $croppos Offset position of cropping window
* @return string The URL or the path to the image
* @since 1.5.5
*/
function getImg($type, $img, $id = null, $catid = 0, $route = true, $cropwidth = null, $cropheight = null, $croppos = null)
{
$types = array('thumb_path', 'thumb_url', 'img_path', 'img_url', 'orig_path', 'orig_url');
if(!in_array($type, $types))
{
JError::raiseError(500, JText::sprintf('Wrong image type: %s', $type));
}
if(!is_object($img))
{
if(is_numeric($img))
{
$img = $this->getImgObject($img);
}
else
{
if(!is_null($id))
{
$img = $this->getImgObject($id);
}
else
{
// Try to find the image data with the help of its filename
// No call when $cropwidth has no value
// @TODO obsolete DB call when the custom image for category in DB
// will be provided by image ID not by the image name
if(!is_null($cropwidth))
{
$db = & JFactory::getDBO();
$query = "SELECT
id,
catid,
imgfilename,
imgthumbname
FROM
"._JOOM_TABLE_IMAGES."
WHERE
imgfilename = '".$img."'
OR imgthumbname = '".$img."'";
$db->setQuery($query);
if(!$img = $db->loadObject())
{
JError::raiseError(500, 'Unable to find requested image data');
}
}
}
}
}
if(is_object($img))
{
$id = $img->id;
$catid = $img->catid;
if($type == 'thumb_path' || $type == 'thumb_url')
{
$img = $img->imgthumbname;
}
else
{
$img = $img->imgfilename;
}
}
// TODO: Enable possibility of images outside of the domain
// or protected with 'deny from all' per .htaccess,
// the following shows, how this could be possible
if( strpos($type, 'url')
&&
( $this->_external
|| ($this->_config->get('jg_watermark') && strpos($type, 'thumb') === false)
|| (strpos($type, 'img') !== false && !$this->_config->get('jg_use_real_paths'))
|| (strpos($type, 'orig') !== false && !$this->_config->get('jg_use_real_paths'))
|| !is_null($cropwidth)
)
)
{
$type = str_replace('_url','', $type);
$url = 'index.php?view=image&format=raw&type='.$type.'&id='.$id;
if(!is_null($cropwidth))
{
$url .= '&width='.$cropwidth.'&height='.$cropheight.'&pos='.$croppos;
}
if($route)
{
return JRoute::_($url);
}
return $url;
}
$catpath = JoomHelper::getCatPath($catid);
// Create the complete path
$img = $this->$type . $catpath . $img;
if(strpos($type, 'path'))
{
$img = JPath::clean($img);
}
return $img;
}
/**
* Returns the database row of a specific image
*
* @access public
* @param int $id The ID of the image to load
* @return object The database row of the image
* @since 1.5.5
*/
function getImgObject($id)
{
static $images = array();
static $row;
if(!isset($images[$id]))
{
if(!isset($row))
{
$row = & JTable::getInstance('joomgalleryimages', 'Table');
}
if(!$row->load($id))
{
JError::raiseError(500, JText::_('Image with ID %d not found', $id));
}
$properties = $row->getProperties();
foreach($properties as $key => $value)
{
$images[$id]->$key = $value;
}
}
return $images[$id];
}
/**
* Translates a string into the current language and stores it in the JavaScript language store.
* Will be replaced by JText::script() in Joomla 1.6
*
* @access public
* @param string $string The JText key.
* @return array Array of stored strings
* @since 1.5.5
*/
function script($string = null)
{
static $strings;
// Instantiate the array if necessary
if(!is_array($strings))
{
$strings = array();
}
// Add the string to the array if not null
if($string !== null)
{
// Normalize the key and translate the string.
$strings[strtoupper($string)] = JText::_($string);
}
return $strings;
}
/**
* Returns an Itemid of JoomGallery.
*
* At first, check if an Itemid was set in the configuration manager.
* If yes, use this one. If not, we use the Itemid of a menu item associated
* with the gallery.
* To prevent malformed URLs e.g. for SEF, an empty string is returned if no valid
* Itemid can be found in the database.
*
* @access public
* @param boolean True, if a string like '&Itemid=X' should be constructed.
* @return int/string An Itemid of the gallery.
* @since 1.0.0
*/
function getItemid($string = true)
{
if(!isset($this->_Itemid) || is_null($this->_Itemid))
{
$Itemid = intval($this->_config->get('jg_itemid'));
if($Itemid)
{
$this->_Itemid = $Itemid;
}
else
{
$db = & JFactory::getDBO();
$db->setQuery(" SELECT
id
FROM
#__menu
WHERE
link LIKE '%"._JOOM_OPTION."&view=gallery%'
AND access = 0
ORDER BY
id DESC
");
$Itemid = $db->loadResult();
if(!$Itemid)
{
$db->setQuery(" SELECT
id
FROM
#__menu
WHERE
link LIKE '%"._JOOM_OPTION."%'
AND access = 0
ORDER BY
id DESC
");
$Itemid = $db->loadResult();
}
if($Itemid = intval($Itemid))
{
$this->_Itemid = $Itemid;
}
else
{
$this->_Itemid = '';
}
}
}
return ($string && $this->_Itemid) ? '&Itemid='.$this->_Itemid : $this->_Itemid;
}
/**
* Returns the category structure of the gallery
*
* @access public
* @param boolean True, if a structure with all categories should be constructed.
* @return array An array of categories/sub-categories
* @since 1.5.5
*/
function getCategoryStructure($all = false)
{
// Check if already read from database
if( (is_null($this->_categorystructure) && !$all)
|| (is_null($this->_allcategorystructure) && $all)
)
{
// Creation of array
$database = & JFactory::getDBO();
$user = & JFactory::getUser();
// Read all categories from database
$query = "SELECT
c.cid,
c.parent,
c.name,
c.access,
c.published,
c.hidden
FROM
"._JOOM_TABLE_CATEGORIES." AS c";
if(!$all)
{
$query .= " WHERE
c.published = 1";
}
// If 'Display RM- and SM Categories' is set to yes, no restrictions
// in access of query. So these categories are shown as text with RM or SM
if(!$this->_config->get('jg_showrmsmcats') && !$all)
{
$query .=" AND c.access <= '".$user->get('aid')."'";
}
$query .=" ORDER BY c.parent, c.name";
$database->setQuery($query);
$categories = $database->loadObjectList();
// Get picture count and hits count
$query = "SELECT catid,
count(id) as piccount,
sum(hits) as hitcount
FROM
"._JOOM_TABLE_IMAGES;
if(!$all)
{
$query .= " WHERE
approved = 1
AND published = 1
AND hidden = 0";
}
$query .=" GROUP BY catid";
$database->setQuery($query);
$catcounts = $database->loadObjectList('catid');
// Merge the arrays
$endindex = count($categories);
for($i = 0; $i < $endindex; $i++)
{
// Cast to int where needful
$categories[$i]->cid = (int) $categories[$i]->cid;
$categories[$i]->parent = (int) $categories[$i]->parent;
if(isset($catcounts[$categories[$i]->cid]))
{
$categories[$i]->piccount = (int) $catcounts[$categories[$i]->cid]->piccount;
$categories[$i]->hitcount = (int) $catcounts[$categories[$i]->cid]->hitcount;
}
else
{
$categories[$i]->piccount = 0;
$categories[$i]->hitcount = 0;
}
}
if($all)
{
$this->_allcategorystructure = array();
JoomHelper::sortCategoryList($categories, $this->_allcategorystructure);
}
else
{
$this->_categorystructure = array();
JoomHelper::sortCategoryList($categories, $this->_categorystructure);
}
}
if(!$all)
{
return $this->_categorystructure;
}
else
{
return $this->_allcategorystructure;
}
}
/**
* Returns the category structure of the gallery from cache
*
* @access public
* @return array An array of categories/sub-categories
* @since 1.5.5
*/
// function getCategoryStructureFromCache()
// {
// jimport('joomla.cache.cache');
// jimport('joomla.cache.callback');
//
// // TODO Parameter for set caching and caching lifetime
// if(is_null($this->_categorystructure))
// {
// $cache = JCache::getInstance('callback', array
// (
// 'defaultgroup' => 'joomgallery',
// 'cachebase' => JPATH_BASE . '/cache/',
// 'lifetime' => 60,
// 'language' => 'en-GB',
// 'storage' => 'file'
// )
// );
//
// // enabling caching
// $cache->setCaching(true);
//
// // Cache id must be unique to what you are caching
// $cache_id = md5('joomgallery_CategoryStructure');
//
// $this->_categorystructure = $cache->get(array($this, 'getCategoryStructureFromDB') , array(), $cache_id);
// }
//
// return $this->_categorystructure;
// }
}