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| Dir : /home/jairosvt/public_html/afmediosc/modules/mod_janewsticker/helper.php |
<?php
/*
# ------------------------------------------------------------------------
# JA News Ticker module for Joomla 1.5
# ------------------------------------------------------------------------
# Copyright (C) 2004-2010 JoomlArt.com. All Rights Reserved.
# @license GNU/GPLv3 http://www.gnu.org/licenses/gpl-3.0.html
# Author: JoomlArt.com
# Websites: http://www.joomlart.com - http://www.joomlancers.com.
# ------------------------------------------------------------------------
*/
/**
* JA News Sticker module allows display of article's title from sections or categories. \
* You can configure the setttings in the right pane. Mutiple options for animations are also added, choose any one.
* If you are using this module on Teline III template, * then the default module position is "headlines".
**/
// no direct access
defined('_JEXEC') or die('Restricted access');
require_once (JPATH_SITE . '/components/com_content/helpers/route.php');
if(file_exists(JPATH_SITE.DS.'components'.DS.'com_k2'.DS.'helpers'.DS.'route.php'))
{
require_once(JPATH_SITE.DS.'components'.DS.'com_k2'.DS.'helpers'.DS.'route.php');
}
if(file_exists(JPATH_SITE.DS.'components'.DS.'com_k2'.DS.'helpers'.DS.'utilities.php'))
{
require_once(JPATH_SITE.DS.'components'.DS.'com_k2'.DS.'helpers'.DS.'utilities.php');
}
/**
* modjanewstickerHelper class.
*/
class modjanewstickerHelper {
/**
* get listing items from rss link or from list of categories.
*
* @param JParameter $params
* @return array
*/
function getList( $params ){
$rows = array();
$using_mode = strtolower($params->get('using_mode',"catids"));
$exclude_arr = array("rss","external");
if( !in_array($using_mode,$exclude_arr)) {
// check cache was endable ?
if ( $params->get('enable_cache') ) {
$cache =& JFactory::getCache();
$cache->setCaching( true );
$cache->setLifeTime( $params->get( 'cache_time', 30 ) * 60 );
$rows = $cache->get( array( (new modjanewstickerHelper() ) , 'getArticles' ), array( $params ) );
} else {
$rows = modjanewstickerHelper::getArticles( $params );
}
}
elseif( $using_mode == 'external')
{
$rows = modjanewstickerHelper::parseExternalLinks( $params->get("external_link",""), $params );
}
else {
$rows = modjanewstickerHelper::dataFromRSS( $params );
}
return $rows;
}
/**
*get list external links
*@param string content
*@return array list of external links
*/
function parseExternalLinks( $content, $params ) {
$regex = '#\[link ([^\]]*)\]([^\[]*)\[/link\]#m';
preg_match_all ($regex, $content, $matches, PREG_SET_ORDER);
$maxItems = $params->get('max_items', 5);
$linkArray = array();
if(!empty($matches))
{
$i = 0;
foreach ($matches as $match) {
$params = modjanewstickerHelper::parseParams( $match[1] );
if (is_array($params)) {
if($maxItems > 0 && $i == $maxItems)
break;
$url = isset($params['url'])?trim($params['url']):'';
$title = isset($params['title'])?trim($params['title']):'janewsticker';
$obj = new stdClass();
$obj->title = $title;
$obj->link = $url;
$obj->introtext = str_replace("\n","<br />",trim($match[2]));
$linkArray[] = $obj;
$i++;
}
}
}
return $linkArray;
}
/**
* get articles from list of categories and follow up owner paramer.
*
* @param JParameter $params.
* @return array list of articles
*/
function getArticles( $params ){
global $mainframe;
$db = &JFactory::getDBO();
$my = &JFactory::getUser();
$aid = $my->get( 'aid', 0 );
$date =& JFactory::getDate();
$now = $date->toMySQL();
if(strtolower($params->get('using_mode',"catids")) == 'com_k2')
{
$query = "SELECT a.*, cc.name AS categoryname,cc.id AS categoryid, cc.alias AS categoryalias, cc.params AS categoryparams";
$query .= " FROM #__k2_items as a LEFT JOIN #__k2_categories cc ON cc.id = a.catid";
$query .= " WHERE a.published = 1 AND a.access <= {$aid} AND a.trash = 0 AND cc.published = 1 AND cc.access <= {$aid} AND cc.trash = 0";
$query .= " AND ( a.publish_up = ".$db->Quote( $db->getNullDate() )." OR a.publish_up <= ".$db->Quote($now)." )";
$query .= " AND ( a.publish_down = ".$db->Quote( $db->getNullDate() )." OR a.publish_down >= ".$db->Quote($now)." )";
if(is_array($params->get('k2catsid'))){
$catids = implode(',', $params->get('k2catsid'));
$query .= " AND cc.id IN($catids)";
}
elseif($params->get('k2catsid')>0){
$catids = $params->get('k2catsid');
$query .= " AND cc.id = $catids";
}
}
else
{
$query = 'SELECT a.*,cc.description as catdesc, 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) $aid : '' )
;
if(is_array($params->get('catids'))){
$catids = implode(',', $params->get('catids'));
$query .= " AND cc.id IN($catids)";
}
elseif($params->get('catids')>0){
$catids = $params->get('catids');
$query .= " AND cc.id = $catids";
}
}
$query .= ' ORDER BY ' . 'a.'.$params->get('sort_order_field' ,'created') . ' '.$params->get('sort_order','DESC');
if($params->get('max_items', 5)){
$query .= ' LIMIT ' . $params->get('max_items', 5);
}
$db->setQuery($query);
return $db->loadObjectlist();
}
/**
* get list of items from rss list and process caching.
*
* @param JParameter $params.
* @return array list of articles
*/
function dataFromRSS( $params ){
$data = array();
if( trim($params->get('rss_link')) == '' ) {
return $data;
}
$rssUrl = $params->get('rss_link');
$maxItems = $params->get('max_items', 5);
// get RSS parsed object
$options = array();
$options['rssUrl'] = trim($rssUrl);
$options['rssUrl'] = "http://vnexpress.net/rss/gl/khoa-hoc.rss";
if ( $params->get('enable_cache') ) {
$options['cache_time'] = $params->get( 'cache_time' , '30' ) ;
$options['cache_time'] *= 60;
} else {
$options['cache_time'] = null;
}
$rssDoc =& JFactory::getXMLparser( 'RSS', $options );
if ($rssDoc != false) {
$items = $rssDoc->get_items();
if( $items != null ){
$tmp = array();
$i = 0;
foreach( $items as $item ){
if($maxItems > 0 && $i == $maxItems)
break;
$obj = new stdClass();
$obj->title = $item->get_title();
$obj->link = $item->get_link();
$obj->introtext = $item->get_description();
$tmp[] = $obj;
$i++;
}
$data = $tmp;
}
}
return $data;
}
/**
* trim string with max specify
*
* @param string $title
* @param integer $max.
*/
function trimString( $title, $max=60 ){
if( strlen($title) > $max ){
return substr( $title, 0, $max ) . '...';
}
return $title;
}
/**
* get description of item: trim string with max chars.
*
* @param string $introtext
* @param string $separator
* @param string $descMaxChars
* @return string
*/
function getDescription( $introtext, $separator, $descMaxChars=60 ){
return $separator . ' ' . modJAHeadLinesHelper::trimString( strip_tags($introtext), $descMaxChars );
}
/**
* detect and get link with each resource
*
* @param string $item
* @param bool $useRSS.
* @return string.
*/
function getLink( $item, $useRSS=false ){
if($useRSS){
return $item->link;
} else {
if(!isset($item->slug) && !isset($item->catslug) && !isset($item->sectionid) && isset($item->categoryalias))
{
return urldecode(JRoute::_(K2HelperRoute::getItemRoute($item->id.':'.urlencode($item->alias), $item->catid.':'.urlencode($item->categoryalias))));
}
else
{
return JRoute::_(ContentHelperRoute::getArticleRoute($item->slug, $item->catslug, $item->sectionid));
}
}
}
/**
* get size follow up animation type.
*
* @param JPramater $params
* @return integer.
*/
function getSize( $params ) {
$mode = $params->get('animation_type');
if( $mode == 'vertical'){
return $params->get('height', 30);
}
return $params->get('width', 500);
}
/**
* get parameters from configuration string.
*
* @param string $string;
* @return array.
*/
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;
}
}
?>