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helper.php
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helper.php
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<?php
/**
* @file helper.php $Format:%ci$
* @package mod_thick_rss
* @author Horst Lindlbauer [email protected]
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL
* @ $version: 3.4.2$
* @credit: Boris Popoff (smoothbox), Ryan Parman, Geoffrey Sneddon (SimplePie), Codey Lindley (Thickbox), David Thomas (Slick RSS)
* @description: Joomla module to show list of RSS feeds and link to news in modal window
**/
// following line is to prevent direct access to this script via the url
defined('_JEXEC') or die('Restricted access');
jimport('simplepie.simplepie');
class modThickRSSHelper
{
function getFeed(&$params)
{
// check if cache directory is writeable
$cacheDir = JPATH_CACHE .'/';
if ( !is_writable( $cacheDir ) ) {
return 'Cache Directory Unwriteable';
}
$rssurl = $params->get( 'rssurl' );
$rssitems = $params->get( 'rssitems', 5 );
$rssdesc = $params->get( 'rssdesc', 1 );
$rssdesc_2 = $params->get( 'rssdesc_2', 0 ); // desc below link
$desc_limit = $params->get( 'desc_limit', 0 );
$rssimage = $params->get( 'rssimage', 1 );//?
$newsWinY = $params->get( 'newsWinY', 650);
$newsWinX = $params->get( 'newsWinX', 850);
$rssitemdesc = $params->get( 'rssitemdesc', 1 );
$showdate = $params->get( 'showdate', 0 );
$dateformat = $params->get( 'dateformat', '' );
$dateposition = $params->get( 'dateposition', 0 );
$words_t = $params->def( 'word_count_title', 0 );
$words_d = $params->def( 'word_count_descr', 0 );
$rsstitle = $params->get( 'rsstitle', 1 );
$rsscache = $params->get( 'rsscache', 60 );
//Custom
$enable_tooltip = $params->get( 'enable_tooltip','no' );
$moduleclass_sfx = $params->get( 'moduleclass_sfx', '' );
$disable_modal = $params->get( 'disable_modal', 0 );
$disable_errors = $params->get( 'disable_errors', 0 );
$content_buffer = '';
$rssurls = preg_split("/[\s]+/", $rssurl);
$content_buffer .= "<!-- RSS BROWSER, http://www.lbm-services.de START -->\n";
$content_buffer .= '<div class="rss-container'.$moduleclass_sfx.'">';
foreach($rssurls as $rssurl){
if( trim($rssurl) != "") { // only if array element is not empty
if (!empty($rssurl)) {
$feed = new SimplePie();
$feed->set_feed_url($rssurl);
//echo $rssurl. "<br/>"; //debug
//set / override Joomla HTML page metatag charset to match RSS character encoding
$feed->handle_content_type();
$feed->set_cache_location($cacheDir);
$feed->set_cache_duration( $rsscache*60 );
if (!$feed->init())
{
if ( 0 == $disable_errors){
JFactory::getApplication()->enqueueMessage( "Could not load feed: $rssurl", 'error');
}
JLog::addLogger(
array(
'text_file' => 'mod_thick_rss.connection_errors.php',
'text_entry_format' => '{DATETIME} {PRIORITY} {MESSAGE}'
),
JLog::ALL & ~JLog::DEBUG,
array('mod_thick_rss')
);
JLog::add("Could not load feed: $rssurl", JLog::ERROR, 'mod_thick_rss' );
continue;
}
}
if ($feed->data) {
$items = $feed->get_items();
$iUrl = 0;
$iUrl = $feed->get_image_url();
$iTitle = $feed->get_image_title();
$iLink = $feed->get_image_link();
$feed_link = $feed->get_link() ;
$feed_title = $feed->get_title();
$feed_descrip = $feed->get_description();
if (strpos($iLink,"?") === false ) $cChr = "?";
else $cChr = "&";
if ( $rssimage && $iUrl ) {
if ($disable_modal == 0 ) $content_buffer .= '<a href="'. JFilterOutput::ampReplace($iLink . $cChr.'keepThis=true&TB_iframe=true&height='. $newsWinY .'&width='. $newsWinX) .'" title="'.$feed_title .'" class="lightbox"><img style="display:inline;" src="'. $iUrl .'" alt="'. $iTitle .'" border="0"/></a>';
else $content_buffer .= '<a href="javascript://" title="'.$iTitle .'" onclick="window.open(\''.$ilink.'\',\'news\',\'toolbar=no,location=no,scrollbars=1,status=no,menubar=no,width=' .$newsWinX.',height=' .$newsWinY.', top=50,left=150\').focus();"><img style="display:inline;" src="'. $iUrl .'" alt="'. $iTitle .'" border="0"/></a>';
}
if (strpos($feed_link,"?") === false ) $cChr = "?";
else $cChr = "&";
if ($rsstitle) {
$content_buffer .= "<h4 class=\"rssfeed_title".$moduleclass_sfx."\">";
if ($disable_modal == 0 ) $content_buffer .= '<a href="'. JFilterOutput::ampReplace($feed_link . $cChr.'keepThis=true&TB_iframe=true&height='. $newsWinY .'&width='. $newsWinX) .'" title="'.$feed_title .'" class="lightbox">';
else $content_buffer .= '<a href="javascript://" title="'.$feed_title .'" onclick="window.open(\''.$feed_link.'\',\'news\',\'toolbar=no,location=no,scrollbars=1,status=no,menubar=no,width=' .$newsWinX.',height=' .$newsWinY.', top=50,left=150\').focus();">';
$content_buffer .= $feed_title;
$content_buffer .= "</a></h4>\n";
}
if ($rssdesc) $content_buffer .= "<div class=\"rssfeed_desc".$moduleclass_sfx."\">".$feed_descrip ."</div>\n";
$actualItems = $feed->get_item_quantity() ;
$setItems = $rssitems;
if ($setItems > $actualItems) {
$totalItems = $actualItems;
} else {
$totalItems = $setItems;
}
$content_buffer .= " <ul class=\"rssfeed_list" . $moduleclass_sfx . "\">\n";
for ($j = 0; $j < $totalItems; $j++) {
$currItem =& $feed->get_item($j);
$item_title = $currItem->get_title();
$date = $currItem->get_date();
// "d.m.Y H:i"
if ($dateformat != '') $date = date($dateformat , strtotime($date));
$text = $currItem->get_description();
$pLink = $currItem->get_permalink();
if (strpos($pLink, "?") === false) $cChr = "?";
else $cChr = "&";
$tooltip_title = $item_title;
if ( $words_t ) {
if ( strlen($item_title) > $words_t ) {
$item_title = substr($item_title, 0, $words_t);
$item_title .= '...';
}
}
if ( $rssitemdesc ) {
// item description
$text = strip_tags($currItem->get_description());
// word limit check
if ( $words_d ) {
$texts = explode( ' ', $text );
$count = count( $texts );
if ( $count > $words_d ) {
$text = '';
for( $i=0; $i < $words_d; $i++ ) {
$text .= ' '. $texts[$i];
}
$text .= '...';
}
}
}
if($enable_tooltip =='yes'){
//generate tooltip content
$text = preg_replace("/(\r\n|\n|\r)/", " ", $text); //replace new line characters, important!
$text = htmlspecialchars(addslashes($text)); //format text for overlib popup html display
$tooltip = $tooltip_title. "::".$text ;
}else{
$tooltip = "";
}
$content_buffer .= "<li class=\"rssfeed_item" . $moduleclass_sfx . "\">\n";
if ($disable_modal == 0) $content_buffer .= '<a href="' . $currItem->get_permalink(). '" title="'. $tooltip. '" class="lightbox" data-group="news" data-height="'.$newsWinY .'" data-width="'.$newsWinX.'" >';
else $content_buffer .= '<a href="javascript://" title="'. $tooltip. '" onclick="window.open(\''.$currItem->get_permalink().'\',\'news\',\'toolbar=no,location=no,scrollbars=1,status=no,menubar=no,width=' .$newsWinX.',height=' .$newsWinY.', top=50,left=150\').focus();">';
if ($showdate == 1 ){
$dateposition == 0 ? $content_buffer .= $item_title . "<span class=\"rssfeed_date" . $moduleclass_sfx . "\">".$date . "</span> " : $content_buffer .= "<span class=\"rssfeed_date" . $moduleclass_sfx . "\"> ".$date . "</span> " . $item_title ;
} else {
$content_buffer .= $item_title ;
}
$content_buffer .= "</a>\n";
if ($rssdesc_2 > 0) {
$desc = strip_tags($currItem->get_description());
if ($desc_limit > 0 && strlen($desc) > $desc_limit ) $desc = substr($desc, 0, $desc_limit ) ."..." ;
$content_buffer .= "<br/>".$desc ."<br/>";
}
$content_buffer .= "</li>\n";
}
$content_buffer .= " </ul>\n";
}
}
}
$content_buffer .= "</div>";
$content_buffer .= "<!-- // RSS BROWSER END -->\n";
return $content_buffer;
}
function setHeader(&$params) {
$disable_modal = $params->get( 'disable_modal', 0 );
$style = $params->get( 'design', 'default' );
static $instance;
$document =& JFactory::getDocument();
$live_site= JURI::base(true) ;
$mod_path = $live_site . "/modules/mod_thick_rss";
if (!isset($instance)){
$html = '';
$html .="<link rel=\"stylesheet\" href=\"". $mod_path. "/includes/styles/modthickrss.css\" type=\"text/css\" media=\"screen\" />".PHP_EOL;
if ($disable_modal == 0) {
$html .= '<script type="text/javascript">
var basepath = "'. $live_site .'";
</script>'.PHP_EOL;
$html .= '<script type="application/json" id="easyOptions">
{"news": {"overlayOpacity": 0.1}}
</script>'.PHP_EOL;
$html .="<script type=\"text/javascript\" src=\"" . $mod_path . "/includes/distrib.min.js\"></script>".PHP_EOL;
$html .="<link rel=\"stylesheet\" href=\"". $mod_path. "/includes/styles/$style/easybox.min.css\" type=\"text/css\" media=\"screen\" />".PHP_EOL;
}
$document->addCustomTag( $html );
$instance = true;
}
}
}