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<?php
# Image Gallery Plugin
# Russ Baldwin 
# http://www.shoesforindustry.net
# For more information see the help sections at the end of this file
# ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# Converted from my User Plugin which was based on the code by RedGuy which in 
# turn was was inspired by a thumbnailGenerator v2.25 (21|07|2004) by 
# michael kloepzig mischer@save-the-gummybears.org
# http://www.save-the-gummybears.org
# 
# ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

function smarty_cms_function_ImageGallery($params, &$smarty)
{
//yu
$type = 'click'; // "click" or "popup"
$picFolder = 'uploads/images/';  //path to pics, ending with /
$divID = 'imagegallery'; // Set the wrapping div id to allow you to have different CSS for each gallery.
$sortBy = 'name'; //Sort image files by 'name' o 'date'
$sortByOrder = 'asc'; //Sort image files in ascending order: 'asc' or decending order: 'desc'
$bigPicCaption = 'name'; // either 'name', 'file', 'number' or 'none', Sets caption above big image.
$thumbPicCaption = 'name'; // either 'name', 'file', 'number' or 'none', Sets caption below thumbnails
$bigPicAltTag = 'name'; // either 'name', 'file', 'number'. Sets alt tag - compulsory
$bigPicTitleTag = 'name'; // either 'name', 'file', 'number' or 'none'. Sets title tag or removes it
$thumbPicAltTag = 'name'; // either 'name', 'file', 'number'. Sets alt tag - compulsory
$thumbPicTitleTag = ''; // either the default or 'name', 'file', 'number' or 'none'. Sets title tag or removes it

if(isset($params['divID'])) $divID = $params['divID'];
if(isset($params['type'])) $type = $params['type'];
if(isset($params['picFolder'])) $picFolder = $params['picFolder'];
if(isset($params['bigPicCaption'])) $bigPicCaption = $params['bigPicCaption'];
if(isset($params['thumbPicCaption'])) $thumbPicCaption = $params['thumbPicCaption'];
if(isset($params['bigPicAltTag'])) $bigPicAltTag = $params['bigPicAltTag'];
if(isset($params['bigPicTitleTag'])) $bigPicTitleTag = $params['bigPicTitleTag'];
if(isset($params['thumbPicAltTag'])) $thumbPicAltTag = $params['thumbPicAltTag'];
if(isset($params['thumbPicTitleTag'])) $thumbPicTitleTag = $params['thumbPicTitleTag'];
if(isset($params['sortBy'])) $sortBy = $params['sortBy'];
if(isset($params['sortByOrder'])) $sortByOrder = $params['sortByOrder'];

//Read Image Folder
$selfA = explode('/', $_SERVER["PHP_SELF"]);
$self = $selfA[sizeOf($selfA)-1] . '?page=' . $_GET['page'];
if( !is_dir($picFolder) || !is_readable($picFolder) ) return;

$picDir = dir($picFolder);
$liste = array();
while($check = $picDir->read()) {
//if(strpos($check,'.jpg') || strpos($check,'.gif') || strpos($check,'.png')) {
if(strpos($check,'.jpg') || strpos($check,'.JPG') || strpos($check,'.jpeg')
|| strpos($check,'.JPEG') || strpos($check,'.gif') || strpos($check,'.GIF')
|| strpos($check,'.png') || strpos($check,'.PNG'))  {

$cThumb = explode("_", $check);
if($cThumb[0] != "thumb" && $cThumb[0] != "editor") {
$liste[] = $check;
}
}
}

//Sort by date
if($sortBy == "date") {
$tmp = array();
foreach($liste as $k => $v) {
$tmp['file'][$k] = $v;
$tmp['date'][$k] = filemtime($picFolder . $v);
}

//Sort by Order
($sortByOrder == 'desc') ? array_multisort($tmp['date'], SORT_DESC, $tmp['file'], SORT_DESC) : array_multisort($tmp['date'], SORT_ASC, $tmp['file'], SORT_ASC);
$liste = $tmp['file'];
} else ($sortByOrder == 'desc') ? rsort($liste) : sort($liste);

//Output
$count = 1;
$output = '';

if($type=="popup") {
   $output .= generate_javascript();
 }

//thumbcount
$deci = array();
for($i=1; $i<=sizeof($liste); $i++) {
$deci[$i] = $i;
while(strlen($deci[$i]) < strlen(sizeof($liste))) $deci[$i] = '0' . $deci[$i];
}

//Click through gallery image = after you have clicked on an image
if($type == 'click' && isset($_GET['img'])) { 
$bigPic = $picFolder . $liste[$_GET['img']];
$imgSize = getImageSize($bigPic);
$img = (!isset($_GET['img'])) ? 1 : $_GET['img'];
$next = ($_GET['img'] == (sizeOf($liste)-1)) ? $self : $self . "&img=" . ($_GET['img']+1);
$output .= '<div id="'.$divID.'"><div class="bigPic">'. "\n";
$path_parts = pathinfo($bigPic);
$extension='.'.$path_parts['extension'];
$ImageFileName = basename($bigPic); 
$bigPicName = basename($bigPic, $extension);

// Set big pic captions
switch($bigPicCaption)
 {
 case "name": 
 $output .= ''.$bigPicName.''."\n";
 break; 
 case "number":
 $output .= ''.($_GET['img']+1).''."\n";
 break;
 case "file":
 $output .= ''.$ImageFileName.''."\n";
 break; 
 case "none":
 	 break;
 default:
 $output .= ''.$bigPicName.''."\n";
 break; 
}

//Set Image
$output .= '<img src="' . $bigPic .'"';

//title tags
switch($bigPicTitleTag)
 {
  case "name":        
       $output .=' title="'.$bigPicName.'"';
       break;   
  case "number":
       $output .=' title="'.($_GET['img']+1).'"';
       break;
  case "file":
       $output .=' title="'.$ImageFileName.'"';
       break;  
  case "none":
       break;  
  default:
       $output .=' title="'.$bigPicName.'"';
       break;   
 }

//alt tags - compulsory
switch($bigPicAltTag)
 {
  case "name":        
       $output .=' alt="'.$bigPicName.'"';
       break;   
  case "number":
       $output .=' alt="'.($_GET['img']+1).'"';
       break;
  case "file":
       $output .=' alt="'.$ImageFileName.'"';
       break;   
   default:
       $output .=' alt="'.$bigPicName.'"';
       break;   
 }

//Close tags
$output .='/> ' . "\n";
$output .= 'Image ' . ($_GET['img']+1) . ' of ' . sizeOf($liste) . ' ' . "\n";
$output .= ($_GET['img'] == 0) ? "" : "<a href='" . $self . "&img=" . ($_GET['img']-1) ."'> < Previous</a> | ";
$output .= "<a href='" . $self . "'>Index</a>";
$output .= ($_GET['img'] == (sizeOf($liste)-1)) ? "" : " | <a href='" . $next . "'>Next > </a>";
$output .= '</div></div>'."\n";

} else {
 
//Else we are on thumb generation & normal page
$output .= '<div id="'.$divID.'">'. "\n";
$i = 1;
foreach($liste as $key => $value) {
$bigPic = $picFolder . $value;
list($bigPicWidth, $bigPicHeight) = getImageSize($bigPic);
$thumbPic = $picFolder . 'thumb_' . $value;
$thumbSize = @getImageSize($thumbPic) or ($thumbSize[0] = 96) and ($thumbSize[1] = 96);
$output .= '<div class="thumb">';
if($type == "click") $output .= '<a href="' . $self . '&img=' . $key . '">' . "\n";
if($type == "popup") $output .= '<a href="javascript:PopupPic(\'' . $bigPic . '\',\'' . ($key+1) . '\',\'' . $bigPicWidth . '\',\''. $bigPicHeight . '\')">' . "\n";
$path_parts = pathinfo($bigPic);
$extension='.'.$path_parts['extension'];
$ImageFileName = basename($bigPic); 
$bigPicName = basename($bigPic, $extension);

//Set Image
$output .= '<img src="' . $thumbPic .'"';

//title tags
switch($thumbPicTitleTag)
 {
  case "name":        
       $output .=' title="'.$bigPicName.'... click for a bigger image"';
       break;   
  case "number":
       $output .=' title="'.($key+1).'... click for a bigger image"';
       break;
  case "file":
       $output .=' title="'.$ImageFileName.'... click for a bigger image"';
       break;  
  case "none":
       break;  
  default:
       $output .=' title="Click for a bigger image..."';
       break;   
 }

//alt tags - compulsory
switch($thumbPicAltTag)
 {
  case "name":        
       $output .=' alt="'.$bigPicName.'"';
       break;   
  case "number":
       $output .=' alt="'.($key+1).'"';
       break;
  case "file":
       $output .=' alt="'.$ImageFileName.'"';
       break;   
   default:
       $output .=' alt="'.$bigPicName.'"';
       break;   
 }

//Close tags
$output .='/></a> ' . "\n";
// Set thumb captions
switch($thumbPicCaption)
 {
 case "name": 
 $output .= ''.$bigPicName.''."\n";
 break; 
 case "number":
 $output .= ''.($key+1).''."\n";
 break;
 case "file":
 $output .= ''.$ImageFileName.''."\n";
 break; 
 case "none":
 	 break;
 default:
 $output .= ''.$bigPicName.''."\n";
 break; 
 }

$output .= '</div>' . "\n";
}
$output .= '</div>' . "\n\n";
}
return $output;
}

function smarty_cms_help_function_ImageGallery() {
  echo lang('help_function_imagegallery');
}

function smarty_cms_about_function_ImageGallery() {
	?>
	Author: Russ Baldwin (but see below.)
	Website: <a href="http://www.shoesforindustry.net"> www.shoesforindustry.net</a>
	Version: 0.3 Beta
	Date: 2006-02-22
	
	Change History: 
	2006-02-22 - Version 0.3 Beta Fixed a bug with searching for images based on
	lower case extensions. It now searches for both upper and lower case extensions. Re-added the popup function. (Redguy). 
	2006-02-21 - Version 0.2 Beta Second release fixed some typos 
	2006-02-20 - Version 0.1 Beta First release as a Plugin (Tag)
	***************************************
	This plugin (tag) is based on my original 'user-tag' which was itself 
	based upon a 'user tag' by RedGuy. This in turn was based on some code by 
	Michael Kloepzig <a href='http://save-the-gummybears.org/stg/' target='_blank'>Save-the-gummybears.org</a>. Phew...
	All credit where credit is due :)

<?php
}

function generate_javascript() {
global $gCms;
$config=$gCms->config;

static $count;
if ($count==0) {

$out = "
<script type=\"text/javascript\">
</style>');
newWindow.document.write('</'+smarty_hack+'><body onclick=\"self.close()\">');
newWindow.document.write('<img src=\"'+bigPic+'\" alt=\"'+title+'\" />');
newWindow.document.write('</body></html>');
newWindow.document.close();
newWindow.focus();
}
-->
</script>
";
}

$count++;

return $out;
}