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<?php
/**
* @package JCE
* @copyright Copyright (c) 2009-2014 Ryan Demmer. All rights reserved.
* @license GNU/GPL 2 or later - http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* JCE is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
*/
defined('_JEXEC') or die('RESTRICTED');
wfimport('editor.libraries.classes.extensions');
class WFLinkSearchExtension extends WFSearchExtension {
/**
* Constructor activating the default information of the class
*
* @access protected
*/
public function __construct() {
parent::__construct();
$request = WFRequest::getInstance();
$request->setRequest(array($this, 'doSearch'));
$request->setRequest(array($this, 'getAreas'));
$wf = WFEditorPlugin::getInstance();
$plugins = $wf->getParam('search.link.plugins');
// use tested defaults
if (empty($plugins)) {
$plugins = array('categories', 'contacts', 'content', 'newsfeeds', 'weblinks');
}
foreach ($plugins as $plugin) {
if (JPluginHelper::isEnabled('search', $plugin)) {
JPluginHelper::importPlugin('search', $plugin);
}
}
}
public function getInstance() {
static $instance;
if (!isset($instance)) {
$instance = new WFSearchExtension();
}
return $instance;
}
public function display() {
parent::display();
$document = WFDocument::getInstance();
$document->addScript(array('link'), 'extensions.search.js');
$document->addStylesheet(array('link'), 'extensions.search.css');
}
public function isEnabled() {
$wf = WFEditorPlugin::getInstance();
return (bool) $wf->getParam('search.link.enable', 1);
}
/**
* Method to get the search areas
*/
public function getAreas() {
$app = JFactory::getApplication('site');
$areas = array();
$results = array();
$event = WF_JOOMLA15 ? 'onSearchAreas' : 'onContentSearchAreas';
$searchareas = $app->triggerEvent($event);
foreach ($searchareas as $area) {
if (is_array($area)) {
$areas = array_merge($areas, $area);
}
}
foreach ($areas as $k => $v) {
$results[$k] = JText::_($v);
}
return $results;
}
/*
* Render Search fields
* This method uses portions of SearchViewSearch::display from components/com_search/views/search/view.html.php
* @copyright Copyright (C) 2005 - 2012 Open Source Matters, Inc. All rights reserved.
*/
public function render() {
// built select lists
$orders = array();
$orders[] = JHtml::_('select.option', 'newest', JText::_('WF_SEARCH_NEWEST_FIRST'));
$orders[] = JHtml::_('select.option', 'oldest', JText::_('WF_SEARCH_OLDEST_FIRST'));
$orders[] = JHtml::_('select.option', 'popular', JText::_('WF_SEARCH_MOST_POPULAR'));
$orders[] = JHtml::_('select.option', 'alpha', JText::_('WF_SEARCH_ALPHABETICAL'));
$orders[] = JHtml::_('select.option', 'category', JText::_('WF_CATEGORY'));
$lists = array();
$lists['ordering'] = JHtml::_('select.genericlist', $orders, 'ordering', 'class="inputbox"', 'value', 'text');
$searchphrases = array();
$searchphrases[] = JHtml::_('select.option', 'all', JText::_('WF_SEARCH_ALL_WORDS'));
$searchphrases[] = JHtml::_('select.option', 'any', JText::_('WF_SEARCH_ANY_WORDS'));
$searchphrases[] = JHtml::_('select.option', 'exact', JText::_('WF_SEARCH_EXACT_PHRASE'));
$lists['searchphrase'] = JHtml::_('select.radiolist', $searchphrases, 'searchphrase', '', 'value', 'text', 'all');
$view = $this->getView('search');
$view->assign('searchareas', self::getAreas());
$view->assign('lists', $lists);
$view->display();
}
/**
* Process search
* @param type $query Search query
* @return array Rerach Results
*
* This method uses portions of SearchController::search from components/com_search/controller.php
* @copyright Copyright (C) 2005 - 2012 Open Source Matters, Inc. All rights reserved.
*/
public function doSearch($query) {
$wf = WFEditorPlugin::getInstance();
$filter = JFilterInput::getInstance();
if (!class_exists('JSite')) {
// Load JSite class
JLoader::register('JSite', JPATH_SITE . '/includes/application.php');
}
$app = JApplication::getInstance('site');
$router = $app->getRouter('site');
// get SearchHelper
require_once(JPATH_ADMINISTRATOR . '/components/com_search/helpers/search.php');
// get router mode
$sef = (int) $wf->getParam('search.link.sef_url', 0);
// set router off so a raw url is returned by the Search plugin
if ($router) {
$router->setMode(0);
}
// slashes cause errors, <> get stripped anyway later on. # causes problems.
$searchword = trim(str_replace(array('#', '>', '<', '\\'), '', $filter->clean($query)));
$ordering = JRequest::getWord('ordering', null, 'post');
$searchphrase = JRequest::getWord('searchphrase', 'all', 'post');
$areas = JRequest::getVar('areas', null, 'post', 'array');
// if searchword enclosed in double quotes, strip quotes and do exact match
if (substr($searchword, 0, 1) == '"' && substr($searchword, -1) == '"') {
$searchword = substr($searchword, 1, -1);
$searchphrase = 'exact';
}
// clean areas
if (!empty($areas)) {
foreach ($areas as $area) {
$areas[] = $filter->clean($area, 'cmd');
}
}
$event = WF_JOOMLA15 ? 'onSearch' : 'onContentSearch';
// trigger search on loaded plugins
$searches = $app->triggerEvent($event, array(
$searchword,
$searchphrase,
$ordering,
$areas
));
$results = array();
$rows = array();
foreach ($searches as $search) {
$rows = array_merge((array) $rows, (array) $search);
}
for ($i = 0, $count = count($rows); $i < $count; $i++) {
$row = &$rows[$i];
$result = new StdClass();
if ($searchphrase == 'exact') {
$searchwords = array($searchword);
$needle = $searchword;
} else {
$searchworda = preg_replace('#\xE3\x80\x80#s', ' ', $searchword);
$searchwords = preg_split("/\s+/u", $searchworda);
$needle = $searchwords[0];
}
// get anchors
$anchors = self::getAnchors($row->text);
if (!empty($anchors)) {
$row->anchors = $anchors;
}
if (method_exists('SearchHelper', 'getActions')) {
$row->text = SearchHelper::prepareSearchContent($row->text, $needle);
} else {
$row->text = SearchHelper::prepareSearchContent($row->text, 200, $needle);
}
$searchwords = array_unique($searchwords);
$searchRegex = '#(';
$x = 0;
foreach ($searchwords as $k => $hlword) {
$searchRegex .= ($x == 0 ? '' : '|');
$searchRegex .= preg_quote($hlword, '#');
$x++;
}
$searchRegex .= ')#iu';
$row->text = preg_replace($searchRegex, '<span class="highlight">\0</span>', $row->text);
// remove base url
if (strpos($row->href, JURI::base(true)) !== false) {
$row->href = substr_replace($row->href, '', 0, strlen(JURI::base(true)) + 1);
}
// convert to SEF
if ($router && $sef) {
$router->setMode(1);
$url = str_replace('&', '&', $row->href);
$uri = $router->build($url);
$url = $uri->toString();
$row->href = str_replace('/administrator/', '/', $url);
}
$result->title = $row->title;
$result->text = $row->text;
$result->link = $row->href;
$results[] = $result;
}
return $results;
}
private static function getAnchors($content) {
preg_match_all('#<a([^>]+)(name|id)="([a-z]+[\w\-\:\.]*)"([^>]*)>#i', $content, $matches, PREG_SET_ORDER);
$anchors = array();
if (!empty($matches)) {
foreach ($matches as $match) {
if (strpos($match[0], 'href') === false) {
$anchors[] = $match[3];
}
}
}
return $anchors;
}
}