ho pensato che potrebbe essere utile avere nella discussione anche il codice di quella pagina:
<?php
/**
* $ModDesc
*
* @version $Id: helper.php $Revision
* @package modules
* @subpackage mod_lofslidenews
* @copyright Copyright (C) JAN 2010 LandOfCoder.com <@emai:landofcoder@gmail.com>. All rights reserved.
* @website htt://landofcoder.com
* @license GNU General Public License version 2
*/
// no direct access
defined('_JEXEC') or die;
require_once JPATH_SITE.DS.'components'.DS.'com_content'.DS.'helpers'.DS.'route.php';
if( !defined('PhpThumbFactoryLoaded') ) {
require_once dirname(__FILE__).DS.'libs'.DS.'phpthumb/ThumbLib.inc.php';
define('PhpThumbFactoryLoaded',1);
}
abstract class modLofArticlesSlideShowHelper {
/**
* get list articles
*/
public static function getList( $params ){
if( JVersion::isCompatible('1.6.0') ) {
return self::getListJLOneSix( $params );
}
return self::getListJLOneFive( $params );
}
/**
* get the list of articles, using for joomla 1.5.x
*
* @param JParameter $params;
* @return Array
*/
public static function getListJLOneFive( $params ){
global $mainframe;
$maxTitle = $params->get( 'max_title', '100' );
$maxDesciption = $params->get( 'max_description', 100 );
$openTarget = $params->get( 'open_target', 'parent' );
$formatter = $params->get( 'style_displaying', 'title' );
$titleMaxChars = $params->get( 'title_max_chars', '100' );
$descriptionMaxChars = $params->get( 'description_max_chars', 100 );
$condition = self::buildConditionQuery( $params );
$isThumb = $params->get( 'auto_renderthumb',1);
$ordering = $params->get( 'ordering', 'created_asc');
$limit = $params->get( 'limit_items', 4 );
$ordering = str_replace( '_', ' ', $ordering );
if( trim($ordering) == 'rand' ){ $ordering = ' RAND() '; }
$my = &JFactory::getUser();
$aid = $my->get( 'aid', 0 );
$thumbWidth = (int)$params->get( 'thumbnail_width', 60 );
$thumbHeight = (int)$params->get( 'thumbnail_height', 60 );
$imageHeight = (int)$params->get( 'main_height', 300 ) ;
$imageWidth = (int)$params->get( 'main_width', 900 ) ;
$db = &JFactory::getDBO();
$date =& JFactory::getDate();
$now = $date->toMySQL();
// make sql query
$query = 'SELECT a.*,cc.description as catdesc, cc.title as category_title, cc.title as cattitle,s.description as secdesc, s.title as sectitle,'
. ' CASE WHEN CHAR_LENGTH(a.alias) THEN CONCAT_WS(":", a.id, a.alias) ELSE a.id END as slug,'
. ' CASE WHEN CHAR_LENGTH(cc.alias) THEN CONCAT_WS(":",cc.id,cc.alias) ELSE cc.id END as catslug,'
. ' CASE WHEN CHAR_LENGTH(s.alias) THEN CONCAT_WS(":", s.id, s.alias) ELSE s.id END as secslug'
. "\n FROM #__content AS a"
. ' INNER JOIN #__categories AS cc ON cc.id = a.catid'
. ' INNER JOIN #__sections AS s ON s.id = a.sectionid'
. "\n WHERE a.state = 1"
. "\n AND ( a.publish_up = " . $db->Quote( $db->getNullDate() ) . " OR a.publish_up <= " . $db->Quote( $now ) . " )"
. "\n AND ( a.publish_down = " . $db->Quote( $db->getNullDate() ) . " OR a.publish_down >= " . $db->Quote( $now ) . " )"
. ( ( !$mainframe->getCfg( 'shownoauth' ) ) ? "\n AND a.access <= " . (int) $aid : '' )
;
$query .= $condition . ' ORDER BY ' . $ordering;
$query .= $limit ? ' LIMIT ' . $limit : '';
$db->setQuery($query);
$data = $db->loadObjectlist();
if( empty($data) ) return array();
foreach( $data as $key => $item ){
if($item->access <= $aid ) {
$data[$key]->link = JRoute::_(ContentHelperRoute::getArticleRoute($item->slug, $item->catslug, $item->sectionid));
} else {
$data[$key]->link = JRoute::_('index.php?option=com_user&view=login');
}
$item->date = JHtml::_('date', $item->created, JText::_('DATE_FORMAT_LC2'));
$item->subtitle = self::substring( $item->title, $titleMaxChars );
$item->description = self::substring( $item->introtext,
$descriptionMaxChars );
self::parseImages( $item );
if( $item->mainImage && $image=self::renderThumb($item->mainImage, $imageWidth, $imageHeight, $item->title, $isThumb ) ){
$item->mainImage = $image;
}
if( $item->thumbnail && $image = self::renderThumb($item->thumbnail, $thumbWidth, $thumbHeight, $item->title, $isThumb ) ){
$item->thumbnail = $image;
}
}
return $data;
}
/**
* get the list of articles, using for joomla 1.6.x
*
* @param JParameter $params;
* @return array;
*/
public static function getListJLOneSix( &$params ) {
$formatter = $params->get( 'style_displaying', 'title' );
$titleMaxChars = $params->get( 'title_max_chars', '100' );
$descriptionMaxChars = $params->get( 'description_max_chars', 100 );
$thumbWidth = (int)$params->get( 'thumbnail_width', 60 );
$thumbHeight = (int)$params->get( 'thumbnail_height', 60 );
$imageHeight = (int)$params->get( 'main_height', 300 ) ;
$imageWidth = (int)$params->get( 'main_width', 650 ) ;
$isThumb = $params->get( 'auto_renderthumb',1);
require( dirname(__FILE__).DS.'libs'.DS.'model.php' );
// Get an instance of the generic articles model
$model = JModel::getInstance('Articles', 'LofContentModel', array('ignore_request' => true));
// Set application parameters in model
$appParams = JFactory::getApplication()->getParams();
$model->setState('params', $appParams);
$openTarget = $params->get( 'open_target', 'parent' );
// Set the filters based on the module params
$model->setState('list.start', 0);
$model->setState('list.limit', (int) $params->get('limit_items', 5));
$model->setState('filter.published', 1);
// Access filter
$access = !JComponentHelper::getParams('com_content')->get('show_noauth');
$authorised = JAccess::getAuthorisedViewLevels(JFactory::getUser()->get('id'));
$model->setState('filter.access', $access);
$source = trim($params->get( 'source', 'category' ) );
if( $source == 'category' ){
// Category filter
if ($catid = $params->get('category')) {
if( count ($catid) == 1 && !$catid[0] ) {
$model->setState('filter.category_id', null);
}
else {
$model->setState('filter.category_id', $catid);
}
}
} else {
$ids = preg_split('/,/',$params->get( 'article_ids',''));
$tmp = array();
foreach( $ids as $id ){
$tmp[] = (int) trim($id);
}
$model->setState('filter.a_id', $tmp);
}
// User filter
$userId = JFactory::getUser()->get('id');
$ordering = $params->get('ordering', 'created_asc');
$limit = $params->get( 'limit_items', 4 );
$ordering = split( '_', $ordering );
if( trim($ordering[0]) == 'rand' ){
$model->setState('list.ordering', ' RAND() ');
}
else {
$model->setState('list.ordering', $ordering[0]);
$model->setState('list.direction', $ordering[1]);
}
$items = $model->getItems();
foreach ($items as $key => &$item) {
$item->slug = $item->id.':'.$item->alias;
$item->catslug = $item->catid.':'.$item->category_alias;
if ( $access || in_array($item->access, $authorised) ) {
$item->link = JRoute::_(ContentRoute::article($item->slug, $item->catslug));
}
else {
$item->link = JRoute::_('index.php?option=com_user&view=login');
}
$item->date = JHtml::_('date', $item->created, JText::_('DATE_FORMAT_LC2'));
self::parseImages( $item );
if( $item->mainImage && $image=self::renderThumb($item->mainImage, $imageWidth, $imageHeight, $item->title, $isThumb ) ){
$item->mainImage = $image;
}
if( $item->thumbnail && $image = self::renderThumb($item->thumbnail, $thumbWidth, $thumbHeight, $item->title , $isThumb ) ){
$item->thumbnail = $image;
}
$item->introtext = JHtml::_('content.prepare', $item->introtext);
$item->subtitle = self::substring( $item->title, $titleMaxChars );
$item->description = self::substring( $item->introtext, $descriptionMaxChars );
}
return $items;
}
/**
* build condition query base parameter
*
* @param JParameter $params;
* @return string.
*/
public static function buildConditionQuery( $params ){
$source = trim($params->get( 'source', 'category' ) );
if( $source == 'category' ){
$catids = $params->get( 'category','');
if( !$catids ){
return '';
}
$catids = !is_array($catids) ? $catids : '"'.implode('","',$catids).'"';
$condition = ' AND a.catid IN( '.$catids.' )';
} else {
$ids = preg_split('/,/',$params->get( 'article_ids',''));
$tmp = array();
foreach( $ids as $id ){
$tmp[] = (int) trim($id);
}
$condition = " AND a.id IN('". implode( "','", $tmp ) ."')";
}
return $condition;
}
/**
* 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;
}
/**
* check the folder is existed, if not make a directory and set permission is 755
*
*
* @param array $path
* @access public,
* @return boolean.
*/
public static function makeDir( $path ){
$folders = explode ( '/', ( $path ) );
$tmppath = JPATH_SITE.DS.'images'.DS.'lofthumbs'.DS;
if( !file_exists($tmppath) ) {
JFolder::create( $tmppath, 0755 );
};
for( $i = 0; $i < count ( $folders ) - 1; $i ++) {
if (! file_exists ( $tmppath . $folders [$i] ) && ! JFolder::create( $tmppath . $folders [$i], 0755) ) {
return false;
}
$tmppath = $tmppath . $folders [$i] . DS;
}
return true;
}
/**
* check the folder is existed, if not make a directory and set permission is 755
*
*
* @param array $path
* @access public,
* @return boolean.
*/
public static function renderThumb( $path, $width=100, $height=100, $title='', $isThumb=true ){
if( $isThumb ){
$path = str_replace( JURI::base(), '', $path );
$imagSource = JPATH_SITE.DS. str_replace( '/', DS, $path );
if( file_exists($imagSource) ) {
$path = $width."x".$height.'/'.$path;
$thumbPath = JPATH_SITE.DS.'images'.DS.'lofthumbs'.DS. str_replace( '/', DS, $path );
if( !file_exists($thumbPath) ) {
$thumb = PhpThumbFactory::create( $imagSource );
if( !self::makeDir( $path ) ) {
return '';
}
$thumb->adaptiveResize( $width, $height);
$thumb->save( $thumbPath );
}
$path = JURI::base().'images/lofthumbs/'.$path;
}
}
return '<img src="'.$path.'" title="'.$title.'" >';
}
/**
* 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 ){
$text = $row->introtext.$row->fulltext;
$data = self::parserCustomTag( $text );
if( isset($data[1][0]) ){
$tmp = self::parseParams( $data[1][0] );
$row->mainImage = isset($tmp['src']) ? $tmp['src']:'';
$row->thumbnail = $row->mainImage ;// isset($tmp['thumb']) ?$tmp['thumb']:'';
} else {
$regex = "/\<img.+src\s*=\s*\"([^\"]*)\"[^\>]*\>/";
preg_match ($regex, $text, $matches);
$images = (count($matches)) ? $matches : array();
if (count($images)){
$row->mainImage = $images[1];
$row->thumbnail = $images[1];
} else {
$row->thumbnail = '';
$row->mainImage = '';
}
}
}
/**
* load css - javascript file.
*
* @param JParameter $params;
* @param JModule $module
* @return void.
*/
public static function loadMediaFiles( $params, $module ){
// if the verion is equal 1.6.x
if( JVersion::isCompatible('1.6.0') ) {
JHTML::script( $module->module.'_jl16x.js','modules/'.$module->module.'/assets/');
} else {
JHTML::script( $module->module.'_jl15x.js','modules/'.$module->module.'/assets/');
}
JHTML::stylesheet( $module->module.'.css','modules/'.$module->module.'/assets/' );
}
/**
* 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='...' ){
$string = strip_tags( $text );
return JString::strlen( $string ) > $length ? JString::substr( $string, 0, $length ).$replacer: $string;
}
}
?>
