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<?php

cInclude("includes", "functions.api.images.php");

/* Gallery variables */
$bRecursive = false;

/* Input variables */
$iWidth = "CMS_VALUE[0]";
$iHeight = "CMS_VALUE[1]";
if ($iWidth == 0) {
  $iWidth = 300;
}
if ($iHeight == 0) {
  $iHeight = 300;
}

$iColumns = "CMS_VALUE[2]";
if ($iColumns == 0) {
  $iColumns = 2;
}

$iRows = "CMS_VALUE[3]";
if ($iRows == 0) {
  $iRows = 2;
}

$sPath = "CMS_VALUE[4]";
if ($sPath=='') {
	$sPath = $cfgClient[$client]["path"]["frontend"] . $cfgClient[$client]["upl"]["frontendpath"] . "bildergalerie/";
} else {
	$sPath = $cfgClient[$client]["path"]["frontend"] . $cfgClient[$client]["upl"]["frontendpath"] . "CMS_VALUE[4]";
}

$sort = "CMS_VALUE[5]";
if( $sort == "asc" ) {
	$sort = SORT_ASC;
} else {
	$sort = SORT_DESC;
}

$words = "CMS_VALUE[6]";

if (isset($start)) {
  $iCurrentPage = $start;
} else {
  $iCurrentPage = 1;
}

$aValidExtensions = array("jpg", "jpeg", "gif", "png");

$iImagesPerPage = $iRows * $iColumns;

/* Read all gallery files */
$aGalleryFiles = scanDirectory($sPath, $bRecursive);
array_multisort($aGalleryFiles, $sort, SORT_STRING);

if (is_array($aGalleryFiles)) {
	/* Filter out non-images */
	foreach ($aGalleryFiles as $key => $aGalleryFile) {
		$sExtension = strtolower(getFileExtension($aGalleryFile));
		if (!in_array($sExtension, $aValidExtensions)) {
			unset($aGalleryFiles[$key]);
		}
	}
	
	/* Calculate effective variables */
	$iFileCount = count($aGalleryFiles);
	$iPages = ceil($iFileCount / $iImagesPerPage);
	
	$aImagesToDisplay = array_slice($aGalleryFiles, ($iCurrentPage - 1) * $iImagesPerPage, $iImagesPerPage);
	
	$oImageTpl = new Template;
	$oGalleryTpl = new Template;
	$oEmptyImageTpl = new Template;
	
	$aRenderedImages = array();
	
	$iRow = 0;
	$iImagesRendered = 0;
	
	foreach ($aImagesToDisplay as $sImageToDisplay) {
		/* Do Scaling */
		$sScaledImage = cApiImgScale($sImageToDisplay, $iWidth, $iHeight);
		$sScaledImage = str_replace($cfgClient[$client]["path"]["htmlpath"],"",$sScaledImage);
		
		$link = str_replace($cfgClient[$client]['path']['frontend'],$cfgClient['htmlpath'],$sImageToDisplay);
		
		$media_name = ig_getMedienName($sImageToDisplay);
		
		$link_description = ig_getImageDescription($sImageToDisplay);
		
		
$description = htmlentities(capiStrTrimAfterWord($link_description, $words));
		
		if( $media_name != "" && $link_description != "") {
			$link_description = $media_name.': '.$link_description;
		} elseif( $media_name != "" ) {
			$link_description = $link_description;
		} elseif( $description != "" ) {
			$link_description = $link_description;
			$media_name = "&nbsp;"; 
		}
		
		$oImageTpl->reset();
		$oImageTpl->set("s", "FILE", $sScaledImage);
		$oImageTpl->set("s", "WIDTH", $iWidth);
		$oImageTpl->set("s", "HEIGHT", $iHeight);
		$oImageTpl->set("s", "LINK", $link);
		$oImageTpl->set("s", "MEDIANAME", $media_name);
		$oImageTpl->set("s", "DESCRIPTION", $description);
		$oImageTpl->set("s", "LINKDESCRIPTION", $link_description);
		
		$aRenderedImages[] = $oImageTpl->generate($cfgClient[$client]["path"]["frontend"] . "templates/lightbox-gallery_image.html", true, false);
		
		$iImagesRendered++;
		
		if ($iImagesRendered == $iColumns) {
			$oGalleryTpl->set("d", "COLUMNS", implode("", $aRenderedImages));
			$oGalleryTpl->next();
			$iImagesRendered = 0;
			$aRenderedImages = array();
		}
	}
	
	if (count($aRenderedImages) < $iColumns && count($aRenderedImages) > 0) {
		$iEmptyCells = $iColumns - count($aRenderedImages);
		
		$oEmptyImageTpl->set("s", "WIDTH", $iWidth);
		$oEmptyImageTpl->set("s", "HEIGHT", $iHeight);
		
		$sEmptyCells = str_repeat($oEmptyImageTpl->generate($cfgClient[$client]["path"]["frontend"] . "templates/lightbox-gallery_empty.html", true, false),$iEmptyCells);
		
		$oGalleryTpl->set("d", "COLUMNS", implode("", $aRenderedImages) . $sEmptyCells);
		$oGalleryTpl->next();
	}
	
	$aLinks = array();
	
	if ($iCurrentPage > 1) {
		$oPreviousTpl = new Template;
		$oPreviousTpl->set("s", "LINK", $cfgClient[$client]["path"]["htmlpath"] . sprintf("front_content.php?idcatart=%s&start=%s", $idcatart, $iCurrentPage - 1));
		$oPreviousTpl->set("s", "TITLE", mi18n("Zurück"));
		$aLinks[] = $oPreviousTpl->generate($cfgClient[$client]["path"]["frontend"] . "templates/lightbox-gallery_link.html", true, false);
	}
	
	if (($iCurrentPage < $iPages) && $iCurrentPage) {
		$oNextTpl = new Template;
		$oNextTpl->set("s", "LINK", $cfgClient[$client]["path"]["htmlpath"] . sprintf("front_content.php?idcatart=%s&start=%s", $idcatart, $iCurrentPage + 1));
		$oNextTpl->set("s", "TITLE", mi18n("Vor"));
		$aLinks[] = $oNextTpl->generate($cfgClient[$client]["path"]["frontend"] . "templates/lightbox-gallery_link.html", true, false);
	}
	
	$oGalleryTpl->set("s", "NAVIGATION", implode("", $aLinks));
	
	$oGalleryTpl->generate($cfgClient[$client]["path"]["frontend"] . "templates/lightbox-gallery.html", false, false);
}

function ig_getImageDescription($idupl){

	global $cfg, $cfgClient, $db, $client, $lang;
	
	$cApiClient = new cApiClient($client);
	$language_separator = $cApiClient->getProperty('language','separator');
	if ($language_separator == "") {
		//Sanity, if module used in client without set client setting
		$language_separator = "§§§";
		$cApiClient->setProperty('language','separator', $language_separator);
	}
	if(is_numeric($idupl)) {
		//ID is a number 
		$query = "SELECT description FROM ".$cfg["tab"]["upl"]." WHERE idupl = ".$idupl;
	} else {
		//ID is a string
		$path_parts = pathinfo($idupl);
		$upload = $cfgClient[$client]['upl']['frontendpath'];
		$len = strlen($upload);
		$pos = strpos($idupl,$upload);
		$dirname = substr($path_parts['dirname'],$pos+$len).'/';
		$query = "SELECT description FROM ".$cfg["tab"]["upl"]." WHERE (dirname = '".$dirname."') AND (filename='".$path_parts['basename']."') AND (filetype='".$path_parts['extension']."')";
	}
	$db->query($query);
	if($db->next_record()) {
		return htmlspecialchars(urldecode($db->f("description")));
	} else {
		return '';
	}
}

function ig_getMedienName($idupl) {
	
	global $cfg, $cfgClient, $db, $client, $lang;
	
	$cApiClient = new cApiClient($client);
	$language_separator = $cApiClient->getProperty('language','separator');
	if ($language_separator == "") {
		//Sanity, if module used in client without set client setting
		$language_separator = "§§§";
		$cApiClient->setProperty('language','separator', $language_separator);
	}
	if( is_numeric($idupl) ) {
		//ID is a number
		$query = "SELECT description FROM ".$cfg["tab"]["upl"]." WHERE idupl = ".$idupl;
	} else {
		//ID is a string
		$path_parts = pathinfo($idupl);
		$upload = $cfgClient[$client]['upl']['frontendpath'];
		$len = strlen($upload);
		$pos = strpos($idupl,$upload);
		$dirname = substr($path_parts['dirname'],$pos+$len).'/';
		$danis = $dirname.$path_parts['basename'];
		$query = "SELECT value FROM ".$cfg["tab"]["properties"]." WHERE itemid = '".$dirname.$path_parts['basename']."' AND name = 'medianame'";
	}
	$db->query($query);
	if( $db->next_record() ) {
		return htmlspecialchars(urldecode($db->f("value")));
	} else {
		return '';
	}
}
?>