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<?php
/**
* $ModDesc
*
* @version $Id: $file.php $Revision
* @package modules
* @subpackage $Subpackage.
* @copyright Copyright (C) November 2010 LandOfCoder.com <@emai:landofcoder@gmail.com>.All rights reserved.
* @license GNU General Public License version 2
*/
// no direct access
defined('_JEXEC') or die;
/**
* LofDataSourceBase Class
*/
if( !class_exists("LofDataSourceBase") ) {
abstract class LofDataSourceBase{
/**
* @var string $_thumbnailPath
*
* @access protected;
*/
var $_thumbnailPath = "";
/**
* @var string $_thumbnailURL;
*
* @access protected;
*/
var $_thumbnaiURL = "";
var $_imagesRendered = array( 'thumbnail'=>array(),'mainImage'=>array() );
/**
* Set folder's path and url of thumbnail folder
*
*/
function setThumbPathInfo( $path, $url ){
$this->_thumbnailPath=$path;
$this->_thumbnaiURL =$url;
return $this;
}
public function setImagesRendered( $name=array() ){
$this->_imagesRendered = $name;
return $this;
}
/**
* parser a custom tag in the content of article to get the image setting.
*
* @param string $text
* @return array if maching.
*/
public static function parserCustomTag( $text ){
if( preg_match("#{lofimg(.*)}#s", $text, $matches, PREG_OFFSET_CAPTURE) ){
return $matches;
}
return null;
}
public function generateImages( $item, $isThumb = true ){
$item = self::parseImages( $item );
foreach($this->_imagesRendered as $key => $value ){ // echo '<pre>'.print_r($this->_imagesRendered,1);die;
if( $item->{$key} && $image=$this->renderThumb($item->{$key}, $value[0], $value[1], $item->title, $isThumb) ){
$item->{$key} = $image;
}
}
return $item;
}
/**
* check the folder is existed, if not make a directory and set permission is 755
*
* @param array $path
* @access public,
* @return boolean.
*/
public function renderThumb( $path, $width=100, $height=100, $title='', $isThumb=true ){
$path = str_replace( JURI::base(), '', $path );
$imagSource = JPATH_SITE.DS. str_replace( '/', DS, $path );
if( file_exists($imagSource) ) {
if(!$isThumb){ return JURI::base().$path; }
$tmp = explode("/", $path);
$imageName = $width."x".$height."-".$tmp[count($tmp)-1];
$thumbPath = $this->_thumbnailPath.$imageName;
if( !file_exists($thumbPath) ) {
$thumb = PhpThumbFactory::create( $imagSource );
$thumb->adaptiveResize( $width, $height);
$thumb->save( $thumbPath );
}
$path = $this->_thumbnaiURL.$imageName;
}
return $path;
}
/**
* get parameters from configuration string.
*
* @param string $string;
* @return array.
*/
public static function parseParams( $string ) {
$string = html_entity_decode($string, ENT_QUOTES);
$regex = "/\s*([^=\s]+)\s*=\s*('([^']*)'|\"([^\"]*)\"|([^\s]*))/";
$params = null;
if(preg_match_all($regex, $string, $matches) ){
for ($i=0;$i<count($matches[1]);$i++){
$key = $matches[1][$i];
$value = $matches[3][$i]?$matches[3][$i]:($matches[4][$i]?$matches[4][$i]:$matches[5][$i]);
$params[$key] = $value;
}
}
return $params;
}
/**
* parser a image in the content of article.
*
* @param.
* @return
*/
public static function parseImages( $row ){
$row->images = json_decode( $row->images );
if( isset($row->images->image_fulltext) && isset($row->images->image_intro) ){
$row->thumbnail = $row->images->image_intro;
$row->mainImage = $row->images->image_fulltext;
if( empty($row->images->image_fulltext) ){
$row->mainImage = $row->images->image_intro;
}
if( empty($row->images->image_intro) ){
$row->thumbnail = $row->images->image_fulltext;
}
}
if( empty($row->thumbnail) && empty($row->mainImage) ){
$text = $row->introtext;
$regex = "/\<img.+src\s*=\s*\"([^\"]*)\"[^\>]*\>/";
preg_match ($regex, $text, $matches);
$images = (count($matches)) ? $matches : array();
if (count($images)){
$row->mainImage = $images[1];
$row->thumbnail = $images[1];
} else {
$row->thumbnail = '';
$row->mainImage = '';
}
}
return $row;
}
/**
* Get a subtring with the max length setting.
*
* @param string $text;
* @param int $length limit characters showing;
* @param string $replacer;
* @return tring;
*/
public static function substring( $text, $length = 100, $replacer='...', $isStriped=true ){
$string = $isStriped ? strip_tags( $text ) : $text;
return JString::strlen( $string ) > $length ? JHtml::_('string.truncate', $string, $length ): $string;
}
}
}
?>