| Dir : /home/jairosvt/public_html/afmedios.com/plugins/content/jw_sigpro/ |
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| Dir : /home/jairosvt/public_html/afmedios.com/plugins/content/jw_sigpro/sigpro.engine.php |
<?php
/*
// JoomlaWorks "Simple Image Gallery PRO" Plugin for Joomla! 1.5.x - Version 2.0
// Copyright (c) 2006 - 2009 JoomlaWorks Ltd.
// This code cannot be redistributed without permission from JoomlaWorks
// Designed and developed by JoomlaWorks
// ***Last update: April 10th, 2009***
*/
// no direct access
defined( '_JEXEC' ) or die( 'Restricted access' );
if(!function_exists('jwGallery')){
function jwGallery(
$site_httppath,
$site_absolutepath,
$srcimgfolder,
$thbimgfolder,
$thb_width,
$thb_height,
$keepratio,
$jpg_quality,
$singlethumbmode,
$sortorder,
$showcaptions,
$dynamic_caption,
$wordlimit,
$cache_expire_time,
$html_template,
$modulehtml,
$downloadfile
){
// Internal parameters
$prefix = "jwsigpro_cache_";
$captionFile = "labels.txt";
$captionDummyTitle = "Title";
$captionDummyDesc = "<b>Description</b><br />You can use HTML as you can see!";
// Initiate $result
$result = '';
// Execute code if the folder can be opened, or fail silently
if ($dir = @ opendir($site_absolutepath.$srcimgfolder)) {
// initialize an array for matching files
$found = array();
// Create an array of file types
$fileTypes = array('jpg','jpeg','gif','png');
// Traverse the folder, and add filename to $found array if type matches
while (false !== ($item = readdir($dir))) {
$fileInfo = pathinfo($item);
if (array_key_exists('extension', $fileInfo) && in_array(strtolower($fileInfo['extension']),$fileTypes)) {
$found[] = $item;
}
}
// Check if the $found array is not empty
if ($found) {
// Sort array
switch ($sortorder) {
case 0: sort($found); break;
case 1: natsort($found); break; // Sort in natural, case-sensitive order
case 2: natcasesort($found); break; // Sort in natural, case-insensitive order
case 3: rsort($found); break;
case 4: shuffle($found); break;
}
// Caption handling
if(file_exists($site_absolutepath.$srcimgfolder.$captionFile) && is_readable($site_absolutepath.$srcimgfolder.$captionFile)){
// read the captions file into an array
$captionsfile = file($site_absolutepath.$srcimgfolder.$captionFile);
foreach($captionsfile as $caption){
$temp = explode("|",$caption);
if(isset($temp[0]) && file_exists($site_absolutepath.$srcimgfolder."/".$temp[0])) {
$captions[$site_absolutepath.$srcimgfolder."/".strtolower($temp[0])]['title'] = @ $temp[1];
// maintain backwards compatibility regarding captions
if(isset($temp[2])){
$captions[$site_absolutepath.$srcimgfolder."/".strtolower($temp[0])]['description'] = @ $temp[2];
} else {
$captions[$site_absolutepath.$srcimgfolder."/".strtolower($temp[0])]['description'] = @ $temp[1];
}
}
}
} else {
if($showcaptions==2){
// Check if a captions file exists and if not write a new captions file and fill it with the image file list and content placeholders
$captionsfile = fopen($site_absolutepath.$srcimgfolder.$captionFile,'w');
foreach ($found as $filename) {
fwrite($captionsfile,"$filename|$captionDummyTitle|$captionDummyDesc\n");
}
fclose($captionsfile);
// Read the new file
$newcaptionsfile = file($site_absolutepath.$srcimgfolder.$captionFile);
foreach($newcaptionsfile as $caption){
$temp = explode("|",$caption);
if(isset($temp[0]) && file_exists($site_absolutepath.$srcimgfolder."/".$temp[0])) {
$captions[$site_absolutepath.$srcimgfolder."/".strtolower($temp[0])]['title'] = @ $temp[1];
$captions[$site_absolutepath.$srcimgfolder."/".strtolower($temp[0])]['description'] = @ $temp[2];
}
}
}
}
// Loop through the image file list
for ($i=0; $i<count($found); $i++){
//foreach($found as $filename){
// Assign source image and path to a variable
$filename = $found[$i];
$original = $site_absolutepath.$srcimgfolder.$filename;
// Single thumb mode conditions
if ($singlethumbmode) {
if($i==0) {
$li_style = "";
$leftcomment = "";
$rightcomment = "";
} else {
$li_style = "style=\"display:none;\"";
$leftcomment = "<!--";
$rightcomment = "-->";
}
} else {
$li_style = "";
$leftcomment = ""; // <!--
$rightcomment = ""; // -->
}
// Caption display
if($showcaptions==2){
$captiontitle = $captions[$site_absolutepath.$srcimgfolder."/".strtolower($filename)]['title'];
$captiondescription = $captions[$site_absolutepath.$srcimgfolder."/".strtolower($filename)]['description']."<br /><br />";
$dynamic_caption = '';
} elseif($showcaptions==1) {
$captiontitle = JText::_('JWSP_FE_CPNTITLE');
$captiondescription = JText::_('JWSP_FE_CPNDESCRIPTION')."<br />".$dynamic_caption."<br /><br />";
} else {
$captiontitle = '';
$captiondescription = '';
}
if($wordlimit){
$captiontitle = wordLimit($captiontitle,$wordlimit);
}
if($downloadfile){
$download_html = replaceHtml('<a class="sig-download-link" href="'.$downloadfile.'?file='.$srcimgfolder.replaceWhiteSpace($filename).'">'.JText::_('JWSP_FE_DOWNLOAD').'</a><br /><br />');
} else {
$download_html = '';
}
// Template assignments
$template_variables = array(
"/{FILENAME}/",
"/{SOURCE IMAGE FILEPATH}/",
"/{THUMB IMAGE FILEPATH}/",
"/{CAPTION TITLE}/",
"/{CAPTION DESCRIPTION}/",
"/{THUMB CLASS}/",
"/{LEFT HTML COMMENT}/",
"/{RIGHT HTML COMMENT}/",
"/{DOWNLOAD LINK}/",
"/{LOAD MODULE POSITION}/",
);
$real_variables = array(
$filename,
$site_httppath.$srcimgfolder.replaceWhiteSpace($filename),
$site_httppath.$thbimgfolder.$prefix.replaceWhiteSpace(substr(md5($srcimgfolder),1,10).$filename),
replaceHtml($captiontitle),
replaceHtml($captiondescription),
$li_style,
$leftcomment,
$rightcomment,
$download_html,
replaceHtml($modulehtml),
);
// Check if thumb image exists already
$thumbimage = $site_absolutepath.$thbimgfolder.$prefix.$filename;
if(file_exists($thumbimage) && is_readable($thumbimage) && (filemtime($thumbimage)+$cache_expire_time) > time()){
// OUTPUT
$result .= preg_replace($template_variables, $real_variables, $html_template);
} else {
// Otherwise create the thumb image
// begin by getting the details of the original
list($width, $height, $type) = getimagesize($original);
// strip the extension off the image filename (case insensitive)
$imagetypes = array('/\.gif$/i', '/\.jpg$/i', '/\.jpeg$/i', '/\.png$/i');
$name = preg_replace($imagetypes, '', basename($original));
// create an image resource for the original
switch($type) {
case 1:
$source = @ imagecreatefromgif($original);
if (!$source) {
$result = JText::_('JWSP_MSG_ERRGIF');
}
break;
case 2:
$source = imagecreatefromjpeg($original);
break;
case 3:
$source = imagecreatefrompng($original);
break;
default:
$source = NULL;
$result = JText::_('JWSP_MSG_NOFILETYPE');
}
// make sure the image resource is OK
if (!$source) {
$result = JText::_('JWSP_MSG_COPYPROBLEM');
} else {
// calculate the dimensions of the thumbnail
if($keepratio){
if ($width > $height) {
$thumb_width = $thb_width;
$thumb_height = $thb_width*$height/$width;
} elseif ($width < $height) {
$thumb_width = $thb_height*$width/$height;
$thumb_height = $thb_height;
} else {
$thumb_width = $thb_width;
$thumb_height = $thb_height;
}
} else {
// thumb ratio bigger that container ratio
if($width/$height > $thb_width/$thb_height){
// wide containers
if($thb_width>=$thb_height){
// wide thumbs
if ($width > $height) { $thumb_width = $thb_height*$width/$height; $thumb_height = $thb_height; }
// high thumbs
else { $thumb_width = $thb_height*$width/$height; $thumb_height = $thb_height; }
// high containers
} else {
// wide thumbs
if ($width > $height) { $thumb_width = $thb_height*$width/$height; $thumb_height = $thb_height; }
// high thumbs
else { $thumb_width = $thb_height*$width/$height; $thumb_height = $thb_height; }
}
} else {
// wide containers
if($thb_width>=$thb_height){
// wide thumbs
if ($width > $height) { $thumb_width = $thb_width; $thumb_height = $thb_width*$height/$width; }
// high thumbs
else { $thumb_width = $thb_width; $thumb_height = $thb_width*$height/$width; }
// high containers
} else {
// wide thumbs
if ($width > $height) { $thumb_width = $thb_height*$width/$height; $thumb_height = $thb_height; }
// high thumbs
else { $thumb_width = $thb_width; $thumb_height = $thb_width*$height/$width; }
}
}
}
$thumb_width = round($thumb_width);
$thumb_height = round($thumb_height);
// create an image resource for the thumbnail
$thumb = imagecreatetruecolor($thumb_width, $thumb_height);
// create the resized copy
imagecopyresampled($thumb, $source, 0, 0, 0, 0, $thumb_width, $thumb_height, $width, $height);
// save the resized copy
$thumbname = $thbimgfolder.$prefix.substr(md5($srcimgfolder),1,10).$name;
switch($type) {
case 1:
if (function_exists('imagegif')) {
$success = imagegif($thumb, $site_absolutepath.$thumbname.'.gif');
$thumb_name = $prefix.$name.'.gif';
} else {
$success = imagejpeg($thumb, $site_absolutepath.$thumbname.'.jpg', $jpg_quality);
$thumb_name = $prefix.$name.'.jpg';
}
break;
case 2:
$success = imagejpeg($thumb, $site_absolutepath.$thumbname.'.jpg', $jpg_quality);
$thumb_name = $prefix.$name.'.jpg';
break;
case 3:
$success = imagepng($thumb, $site_absolutepath.$thumbname.'.png');
$thumb_name = $prefix.$name.'.png';
}
if ($success) {
// OUTPUT
$result .= preg_replace($template_variables, $real_variables, $html_template);
}
// remove the image resources from memory
imagedestroy($source);
imagedestroy($thumb);
}
}
}
}
closedir($dir);
} else {
$result = JText::_('JWSP_MSG_ERRFOLDER');
}
// Return output
return $result;
} // END FUNCTION
}
/* ------------------ Helper Functions ------------------ */
// Word limit
if(!function_exists('jwGallery')){
function wordLimit($str, $limit = 100, $end_char = '…') {
if (trim($str) == '') return $str;
preg_match('/\s*(?:\S*\s*){'. (int) $limit .'}/', $str, $matches);
if (strlen($matches[0]) == strlen($str)) $end_char = '';
return rtrim($matches[0]).$end_char;
}
}
// Entity replacements
if(!function_exists('replaceHtml')){
function replaceHtml($text_to_parse){
$source_html = array("&","\"","'","<",">","\r","\t","\n");
$replacement_html = array("&",""","'","<",">","","","");
return str_replace($source_html,$replacement_html,$text_to_parse);
}
}
if(!function_exists('replaceWhiteSpace')){
function replaceWhiteSpace($text_to_parse){
$source_html = array(" ");
$replacement_html = array("%20");
return str_replace($source_html,$replacement_html,$text_to_parse);
}
}