%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* @file
* @brief sigplus Image Gallery Plus image search plug-in
* @author Levente Hunyadi
* @version 1.5.0
* @remarks Copyright (C) 2009-2017 Levente Hunyadi
* @remarks Licensed under GNU/GPLv3, see http://www.gnu.org/licenses/gpl-3.0.html
* @see http://hunyadi.info.hu/projects/sigplus
*/
// no direct access
defined( '_JEXEC' ) or die( 'Restricted access' );
if (!defined('SIGPLUS_PLUGIN_FOLDER')) {
define('SIGPLUS_PLUGIN_FOLDER', 'sigplus');
}
if (!defined('SIGPLUS_MEDIA_FOLDER')) {
define('SIGPLUS_MEDIA_FOLDER', 'sigplus');
}
jimport('joomla.plugin.plugin');
jimport('joomla.html.parameter');
/**
* Triggered when the sigplus content plug-in is unavailable or there is a version mismatch.
*/
class SigPlusNovoSearchDependencyException extends Exception {
/**
* Creates a new exception instance.
* @param {string} $key Error message language key.
*/
public function __construct() {
$key = 'SIGPLUS_EXCEPTION_EXTENSION';
$message = '['.$key.'] '.JText::_($key); // get localized message text
parent::__construct($message);
}
}
/**
* sigplus image search plug-in.
*/
class plgSearchSigPlusNovo extends JPlugin {
private $limit = 50;
private $core;
public function __construct( &$subject, $config ) {
parent::__construct( $subject, $config );
$this->limit = (int) $this->params->get('search_limit');
if ($this->limit < 1) {
$this->limit = 50;
}
}
/**
* Metadata search method.
* The SQL must return the following fields that are used in a common display
* routine: href, title, section, created, text, browsernav
* @param {string} $text Target search string
* @param {string} $phrase Matching option [exact|any|all]
* @param {string} $ordering Ordering option [newest|oldest|popular|alpha|category]
* @param {mixed} $areas An array if the search it to be restricted to areas, null if search all
*/
public function onContentSearch($text, $phrase = '', $ordering = '', $areas = null) {
// skip for empty search phrase
if (strlen($text) == 0 || ctype_space($text)) {
return array();
}
// skip if not searching inside image metadata
if (is_array($areas) && !array_intersect($areas, array_keys(self::onContentSearchAreas()))) {
return array();
}
// load language file for internationalized labels and error messages
$lang = JFactory::getLanguage();
$lang->load('plg_search_'.SIGPLUS_PLUGIN_FOLDER, JPATH_ADMINISTRATOR);
if (!isset($this->core)) {
// load sigplus content plug-in
if (!JPluginHelper::importPlugin('content', SIGPLUS_PLUGIN_FOLDER)) {
throw new SigPlusNovoSearchDependencyException();
}
// load sigplus content plug-in parameters
$plugin = JPluginHelper::getPlugin('content', SIGPLUS_PLUGIN_FOLDER);
$params = json_decode($plugin->params);
$params->lightbox_thumbs = false;
// create configuration parameter objects
$configuration = new SigPlusNovoConfigurationParameters();
$configuration->service = new SigPlusNovoServiceParameters();
$configuration->service->setParameters($params);
$configuration->gallery = new SigPlusNovoGalleryParameters();
$configuration->gallery->setParameters($params);
if (SIGPLUS_LOGGING || $configuration->service->debug_server) {
SigPlusNovoLogging::setService(new SigPlusNovoHTMLLogging());
} else {
SigPlusNovoLogging::setService(new SigPlusNovoNoLogging());
}
$this->core = new SigPlusNovoCore($configuration);
}
$db = JFactory::getDbo();
// determine current site language
$lang = JFactory::getLanguage();
list($language, $country) = explode('-', $lang->getTag()); // site current language
// get the database identifier that belongs to an ISO language code
$db = JFactory::getDbo();
$db->setQuery(
'SELECT'.PHP_EOL.
$db->quoteName('langid').PHP_EOL.
'FROM '.$db->quoteName('#__sigplus_language').PHP_EOL.
'WHERE'.PHP_EOL.
$db->quoteName('lang').' = '.$db->quote($language)
);
$langid = $db->loadResult();
// get the database identifier that belongs to an ISO country code
$db = JFactory::getDbo();
$db->setQuery(
'SELECT'.PHP_EOL.
$db->quoteName('countryid').PHP_EOL.
'FROM '.$db->quoteName('#__sigplus_country').PHP_EOL.
'WHERE'.PHP_EOL.
$db->quoteName('country').' = '.$db->quote($country)
);
$countryid = $db->loadResult();
// build SQL WHERE clause
switch ($phrase) {
case 'all':
case 'any':
$text = preg_replace('#\s+#', ' ', trim($text)); // collapse multiple spaces
$words = explode(' ', $text);
break;
case 'exact':
default:
$words = array($text);
}
$wherewords = array();
foreach ($words as $word) {
// images whose metadata contain the given word
$wherewords[] =
'i.'.$db->quoteName('imageid').' IN ('.PHP_EOL.
'SELECT wi.'.$db->quoteName('imageid').PHP_EOL.
'FROM '.$db->quoteName('#__sigplus_image').' AS wi'.PHP_EOL.
'LEFT JOIN '.$db->quoteName('#__sigplus_data').' AS wd'.PHP_EOL.
'ON wi.'.$db->quoteName('imageid').' = wd.'.$db->quoteName('imageid').PHP_EOL.
'LEFT JOIN '.$db->quoteName('#__sigplus_caption').' AS wc'.PHP_EOL.
'ON'.PHP_EOL.
// no caption belongs to image or caption language matches site language
'wc.'.$db->quoteName('imageid').' = wi.'.$db->quoteName('imageid').' AND '.PHP_EOL.
'wc.'.$db->quoteName('langid').' = '.$langid.' AND '.PHP_EOL.
'wc.'.$db->quoteName('countryid').' = '.$countryid.PHP_EOL.
'WHERE'.PHP_EOL.
'(wi.'.$db->quoteName('filename').' LIKE '.$db->quote('%'.$db->escape($word).'%', false).' OR '.
' wc.'.$db->quoteName('title').' LIKE '.$db->quote('%'.$db->escape($word).'%', false).' OR '.
' wc.'.$db->quoteName('summary').' LIKE '.$db->quote('%'.$db->escape($word).'%', false).' OR '.
' wd.'.$db->quoteName('textvalue').' LIKE '.$db->quote('%'.$db->escape($word).'%', false).')'.PHP_EOL.
')';
}
switch ($phrase) {
case 'any': // images at least one of whose metadata fields contain one of the words
$implodephrase = 'OR';
break;
case 'all': // images whose metadata fields contain all of the words
case 'exact':
default:
$implodephrase = 'AND';
}
$where = '('.implode(PHP_EOL.$implodephrase.PHP_EOL, $wherewords).')';
// build SQL ORDER BY clause
$orderby = '';
switch ($ordering) {
case 'oldest':
$orderby = 'filetime ASC';
break;
case 'newest':
$orderby = 'filetime DESC';
break;
case 'category':
$orderby = 'folderurl';
break;
case 'alpha':
case 'popular': // ignored
default:
$orderby = 'filename';
break;
}
// build database query
switch ($db->getServerType()) {
case 'mysql':
$top1 = '';
$limit1 = 'LIMIT 1';
break;
case 'mssql':
$top1 = 'TOP 1';
$limit1 = '';
break;
}
$query =
'SELECT'.PHP_EOL.
$db->quoteName('fileurl').' AS url,'.PHP_EOL.
$db->quoteName('filename').','.PHP_EOL.
$db->quoteName('filetime').','.PHP_EOL.
$db->quoteName('width').','.PHP_EOL.
$db->quoteName('height').','.PHP_EOL.
'COALESCE('.PHP_EOL.
'c.'.$db->quoteName('title').','.PHP_EOL.
'('.PHP_EOL.
'SELECT '.$top1.' p.'.$db->quoteName('title').PHP_EOL.
'FROM '.$db->quoteName('#__sigplus_foldercaption').' AS p'.PHP_EOL.
'WHERE'.PHP_EOL.
'p.'.$db->quoteName('langid').' = '.$langid.' AND '.PHP_EOL.
'p.'.$db->quoteName('countryid').' = '.$countryid.' AND '.PHP_EOL.
'i.'.$db->quoteName('filename').' LIKE p.'.$db->quoteName('pattern').' AND '.PHP_EOL.
'i.'.$db->quoteName('folderid').' = p.'.$db->quoteName('folderid').PHP_EOL.
'ORDER BY p.'.$db->quoteName('priority').' '.$limit1.PHP_EOL.
')'.PHP_EOL.
') AS '.$db->quoteName('title').','.PHP_EOL.
'COALESCE('.PHP_EOL.
'c.'.$db->quoteName('summary').','.PHP_EOL.
'('.PHP_EOL.
'SELECT '.$top1.' p.'.$db->quoteName('summary').PHP_EOL.
'FROM '.$db->quoteName('#__sigplus_foldercaption').' AS p'.PHP_EOL.
'WHERE'.PHP_EOL.
'p.'.$db->quoteName('langid').' = '.$langid.' AND '.PHP_EOL.
'p.'.$db->quoteName('countryid').' = '.$countryid.' AND '.PHP_EOL.
'i.'.$db->quoteName('filename').' LIKE p.'.$db->quoteName('pattern').' AND '.PHP_EOL.
'i.'.$db->quoteName('folderid').' = p.'.$db->quoteName('folderid').PHP_EOL.
'ORDER BY p.'.$db->quoteName('priority').' '.$limit1.PHP_EOL.
')'.PHP_EOL.
') AS '.$db->quoteName('summary').','.PHP_EOL.
$db->quoteName('preview_fileurl').','.PHP_EOL.
$db->quoteName('preview_width').','.PHP_EOL.
$db->quoteName('preview_height').PHP_EOL.
'FROM '.$db->quoteName('#__sigplus_image').' AS i'.PHP_EOL.
// join with table `folder` to permit ordering by category (join not used otherwise)
'INNER JOIN '.$db->quoteName('#__sigplus_folder').' AS f'.PHP_EOL.
'ON i.'.$db->quoteName('folderid').' = f.'.$db->quoteName('folderid').PHP_EOL.
// each image turns up in at least one image view
'INNER JOIN '.$db->quoteName('#__sigplus_imageview').' AS v'.PHP_EOL.
'ON i.'.$db->quoteName('imageid').' = v.'.$db->quoteName('imageid').PHP_EOL.
// if the image has multiple preview images in different views, keep the one with the maximum preview image width
'INNER JOIN ('.PHP_EOL.
'SELECT imageid, MAX(preview_width) AS max_preview_width'.PHP_EOL.
'FROM #__sigplus_imageview'.PHP_EOL.
'GROUP BY imageid'.PHP_EOL.
') AS m'.PHP_EOL.
'ON v.'.$db->quoteName('imageid').' = m.'.$db->quoteName('imageid').' AND v.'.$db->quoteName('preview_width').' = m.'.$db->quoteName('max_preview_width').PHP_EOL.
// get caption assigned to image (if any)
'LEFT JOIN '.$db->quoteName('#__sigplus_caption').' AS c'.PHP_EOL.
'ON'.PHP_EOL.
// no caption belongs to image or caption language matches site language
'c.'.$db->quoteName('imageid').' = i.'.$db->quoteName('imageid').' AND '.PHP_EOL.
'c.'.$db->quoteName('langid').' = '.$langid.' AND '.PHP_EOL.
'c.'.$db->quoteName('countryid').' = '.$countryid.PHP_EOL.
'WHERE'.PHP_EOL.
$where.PHP_EOL.
'ORDER BY '.$orderby;
$db->setQuery($query, 0, $this->limit);
$rows = $db->loadAssocList();
$show_thumbnails = (bool) $this->params->get('search_thumbnail');
$show_lightbox = (bool) $this->params->get('search_lightbox');
// fetch database results
$results = array();
if ($rows) {
$instance = SigPlusNovoEngineServices::instance();
if ($show_thumbnails) {
// import script services to add thumbnail images to image description text
$instance->addScript('/media/'.SIGPLUS_MEDIA_FOLDER.'/js/search.js');
}
if ($show_lightbox) {
// include lightbox script only if there are image results
$this->core->addLightboxScripts('.search-results > .result-title > a');
}
foreach ($rows as $row) {
if ($row['title']) {
$title = $row['title'];
} else {
$title = $row['filename'];
}
$url = $this->core->makeURL($row['url']);
$results[] = (object) array(
'href' => $url,
// standard Joomla search code strips HTML tags from search result text
'text' => '('.$row['width'].'x'.$row['height'].') '.htmlspecialchars($row['summary']),
'title' => html_entity_decode(strip_tags($title), ENT_QUOTES),
'section' => JText::_('SIGPLUS_IMAGES'),
'created' => $row['filetime'],
'browsernav' => '1'
);
if ($show_thumbnails) {
// add thumbnail image to image description text
// <img src="preview_fileurl" width="preview_width" height="preview_height" />
$target_url = json_encode($url);
$preview_url = json_encode($this->core->makeURL($row['preview_fileurl']));
$width = (int) $row['preview_width'];
$height = (int) $row['preview_height'];
$instance->addOnReadyScript("__sigplusSearch({$target_url}, {$preview_url}, {$width}, {$height});");
}
}
$instance->addOnReadyEvent();
}
return $results;
}
/**
* @return {array} An array of search areas.
*/
public function onContentSearchAreas() {
// load language file for internationalized labels
$lang = JFactory::getLanguage();
$lang->load('plg_search_'.SIGPLUS_PLUGIN_FOLDER, JPATH_ADMINISTRATOR);
$areas = array(
'sigplus' => JText::_('SIGPLUS_IMAGES')
);
return $areas;
}
}
class plgSearchSIGPlus extends plgSearchSigPlusNovo {
}
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