PHP JComponentHelper::isEnabled方法代码示例

	public static function enabled() {
		if (!JComponentHelper::isEnabled ( 'com_kunena', true )) {
			return false;
		}
		$config = KunenaFactory::getConfig ();
		return !$config->board_offline;
	}

 public function __construct()
 {
     self::$enabled = JComponentHelper::isEnabled('com_jevents');
     if (self::$enabled) {
         require_once JPATH_SITE . '/components/com_jevents/jevents.defines.php';
     }
 }

 protected function index(FinderIndexerResult $item, $format = 'html')
 {
     // Check if the extension is enabled
     if (JComponentHelper::isEnabled($this->extension) == false) {
         return;
     }
     $item->body = FinderIndexerHelper::prepareContent($item->getElement('body'));
     $item->summary = FinderIndexerHelper::prepareContent($item->getElement('body'));
     $item->addTaxonomy('Type', 'FSF_FINDER_GLOSSARY');
     $word = $item->title;
     $anchor = strtolower(preg_replace("/[^A-Za-z0-9]/", '-', $word));
     $letter = strtolower(substr($word, 0, 1));
     $item->url = 'index.php?option=com_fsf&view=glossary&letter=' . $letter . '#' . $anchor;
     $item->route = $item->url;
     $item->state = $item->published;
     $item->access = 1;
     // Get content extras.
     FinderIndexerHelper::getContentExtras($item);
     // Index the item.
     if (FSFJ3Helper::IsJ3()) {
         $this->indexer->index($item);
     } else {
         FinderIndexer::index($item);
     }
 }

 function cutText($text, $limit_value, $limit_type, $at_end)
 {
     // solved problem from: https://www.gavick.com/support/forums/47/12309.html?p=57464#p57464
     $cck_path = JPATH_BASE . DS . 'components' . DS . 'com_cck';
     if (file_exists($cck_path)) {
         if (JComponentHelper::isEnabled('com_cck', true)) {
             // Force parsing plugin if SEBLOD is used
             if ($this->config['parse_plugins'] == FALSE) {
                 $text = JHtml::_('content.prepare', $text);
             }
             $text = trim(substr(strip_tags($text, "<br /><br><strong></strong><p></p><i></i><b></b><span></span><ul></ul><li></li><blockquote></blockquote>"), 0));
         }
     }
     if ($limit_type == 'words' && $limit_value > 0) {
         $temp = explode(' ', $text);
         if (count($temp) > $limit_value) {
             for ($i = 0; $i < $limit_value; $i++) {
                 $cutted[$i] = $temp[$i];
             }
             $cutted = implode(' ', $cutted);
             $text = $cutted . $at_end;
         }
     } elseif ($limit_type == 'words' && $limit_value == 0) {
         return '';
     } else {
         if (JString::strlen($text) > $limit_value) {
             $text = JString::substr($text, 0, $limit_value) . $at_end;
         }
     }
     // replace unnecessary entities at end of the cutted text
     $toReplace = array('&&', '&a&', '&am&', '&amp&', '&q&', '&qu&', '&quo&', '&quot&', '&ap&', '&apo&', '&apos&');
     $text = str_replace($toReplace, '&', $text);
     //
     return $text;
 }

 /**
  * Include a script that initialize vote buttons.
  *
  * @return void
  */
 public function onBeforeCompileHead()
 {
     $app = JFactory::getApplication();
     /** @var $app JApplicationSite */
     if ($app->isAdmin()) {
         return;
     }
     $document = JFactory::getDocument();
     /** @var $document JDocumentHTML */
     $type = $document->getType();
     if (strcmp("html", $type) != 0) {
         return;
     }
     // Check component enabled
     if (!JComponentHelper::isEnabled('com_userideas', true)) {
         return;
     }
     // Check for right extension.
     $option = $app->input->get("option");
     if (strcmp("com_userideas", $option) != 0) {
         return null;
     }
     // Check for view. The extensions will work only on view "items"
     $allowedViews = array("items", "details", "category");
     $view = $app->input->getCmd("view");
     if (!in_array($view, $allowedViews)) {
         return;
     }
     jimport("itprism.init");
     JHtml::_('itprism.ui.joomla_helper');
     $document->addScript('plugins/system/userideasvote/votebutton.js');
 }

	function __construct(& $subject, $config) {
		// Check if Kunena API exists
		$api = JPATH_ADMINISTRATOR . '/components/com_kunena/api.php';
		if (! is_file ( $api ))
			return false;

		jimport ( 'joomla.application.component.helper' );
		// Check if Kunena component is installed/enabled
		if (! JComponentHelper::isEnabled ( 'com_kunena', true )) {
			return false;
		}

		// Load Kunena API
		require_once $api;

		// Fix Joomla 1.5 bugs and bad performance
		$version = new JVersion();
		if ($version->RELEASE == '1.5') {
			$lang = JFactory::getLanguage();
			if (JFactory::getApplication()->isAdmin()) {
				$lang->load('com_kunena.menu', JPATH_ADMINISTRATOR);
			} else {
				$filename = JLanguage::getLanguagePath( JPATH_BASE, $lang->_lang)."/{$lang->_lang}.com_kunena.ini";
				$lang->_paths['com_kunena'][$filename] = 1;
			}
		}

		parent::__construct ( $subject, $config );
	}

	/**
	 * @param object $subject
	 * @param array  $config
	 */
	function __construct(&$subject, $config)
	{
		// Check if Kunena API exists
		$api = JPATH_ADMINISTRATOR . '/components/com_kunena/api.php';
		if (!is_file ($api))
		{
			return;
		}

		jimport ( 'joomla.application.component.helper' );
		// Check if Kunena component is installed/enabled
		if (!JComponentHelper::isEnabled ( 'com_kunena', true ))
		{
			return;
		}

		// Load Kunena API
		require_once $api;

		// Do not load if Kunena version is not supported or Kunena is not installed
		if (!(class_exists('KunenaForum') && KunenaForum::isCompatible('4.0') && KunenaForum::installed()))
		{
			return;
		}

		parent::__construct ( $subject, $config );

		// ! Always load language after parent::construct else the name of plugin isn't yet set
		$this->loadLanguage('plg_system_kunena.sys');
	}

 /**
  * onAfterInitialise handler
  *
  * Adds ZOO event listeners
  *
  * @access public
  * @return null
  */
 public function onAfterInitialise()
 {
     // Make sure ZOO exists
     jimport('joomla.filesystem.file');
     if (!JFile::exists(JPATH_ADMINISTRATOR . '/components/com_zoo/config.php')) {
         return;
     }
     // load ZOO config
     if (!JFile::exists(JPATH_ADMINISTRATOR . '/components/com_zoo/config.php')) {
         if (!JComponentHelper::isEnabled('com_zoo', true)) {
             return;
         }
     }
     require_once JPATH_ADMINISTRATOR . '/components/com_zoo/config.php';
     // make sure App class exists
     if (!class_exists('App')) {
         return;
     }
     // Get the ZOO App instance
     $zoo = App::getInstance('zoo');
     $zoo->path->register(JPATH_SITE . '/plugins/system/qtc_zoo/qtc_zoo/', 'fields');
     $zoo->event->register('plgSystemQtc_zoo');
     $zoo->event->dispatcher->connect('application:configparams', array('plgSystemQtc_zoo', 'configParams'));
     $zoo->event->register('ItemEvent');
     $zoo->event->dispatcher->connect('item:init', array('plgSystemQtc_zoo', 'init'));
     $zoo->event->dispatcher->connect('item:saved', array('plgSystemQtc_zoo', 'saved'));
 }

 public function __construct(&$subject, $config = array())
 {
     parent::__construct($subject, $config = array());
     $easyblog = JPATH_ROOT . '/administrator/components/com_easyblog/easyblog.php';
     if (!JFile::exists($easyblog) || !JComponentHelper::isEnabled('com_easysocial', true)) {
         ApiError::raiseError(404, 'Easyblog not installed');
         return;
     }
     // Load Easyblog language & bootstrap files
     $language = JFactory::getLanguage();
     $language->load('com_easyblog');
     require_once JPATH_ROOT . '/components/com_easyblog/constants.php';
     require_once EBLOG_HELPERS . '/helper.php';
     // Set resources & access
     ApiResource::addIncludePath(dirname(__FILE__) . '/easyblog');
     $this->setResourceAccess('latest', 'public', 'get');
     $this->setResourceAccess('category', 'public', 'get');
     $this->setResourceAccess('blog', 'public', 'get');
     $this->setResourceAccess('blog', 'public', 'post');
     $this->setResourceAccess('comments', 'public', 'get');
     $this->setResourceAccess('easyblog_users', 'public', 'get');
     $config = EasyBlogHelper::getConfig();
     if ($config->get('main_allowguestcomment')) {
         $this->setResourceAccess('comments', 'public', 'post');
     }
 }

 /**
  * Include a script that initialize vote buttons.
  *
  * @return void
  */
 public function onBeforeCompileHead()
 {
     $app = JFactory::getApplication();
     /** @var $app JApplicationSite */
     if ($app->isAdmin()) {
         return;
     }
     $document = JFactory::getDocument();
     /** @var $document JDocumentHTML */
     $type = $document->getType();
     if (strcmp('html', $type) !== 0) {
         return;
     }
     // Check component enabled
     if (!JComponentHelper::isEnabled('com_userideas')) {
         return;
     }
     // Check for right extension.
     $option = $app->input->get('option');
     if (strcmp('com_userideas', $option) !== 0) {
         return null;
     }
     // Check for view. The extensions will work only on view 'items'
     $allowedViews = array('items', 'details', 'category');
     $view = $app->input->getCmd('view');
     if (!in_array($view, $allowedViews, true)) {
         return;
     }
     JHtml::_('Prism.ui.joomlaHelper');
     JHtml::_('Userideas.loadVoteScript');
 }

 public function onAfterDispatch()
 {
     $app = JFactory::getApplication();
     /** @var $app JApplicationSite */
     if ($app->isAdmin()) {
         return;
     }
     $document = JFactory::getDocument();
     /** @var $document JDocumentHtml */
     $type = $document->getType();
     if (strcmp("html", $type) != 0) {
         return;
     }
     // It works only for GET and POST requests.
     $method = JString::strtolower($app->input->getMethod());
     if (!in_array($method, array("get", "post"))) {
         return;
     }
     // Check component enabled
     if (!JComponentHelper::isEnabled('com_crowdfunding', true)) {
         return;
     }
     $view = $app->input->getCmd("view");
     $option = $app->input->getCmd("option");
     $isCrowdfundingComponent = strcmp($option, "com_crowdfunding") == 0;
     $isDetailsPage = (strcmp($option, "com_crowdfunding") == 0 and strcmp($view, "details") == 0);
     // Allowed views for the module Crowdfunding Details
     $allowedViewsModuleDetails = array("backing", "embed", "report");
     $allowedViewsModuleFilters = array("discover", "category");
     // Hide some modules if it is not details page.
     if (!$isDetailsPage) {
         $this->hideModule("mod_crowdfundinginfo");
         $this->hideModule("mod_crowdfundingprofile");
         $this->hideModule("mod_crowdfundingreporting");
     }
     // Module Crowdfunding Rewards (mod_crowdfundingrewards).
     if (!$isDetailsPage) {
         $this->hideModule("mod_crowdfundingrewards");
     } else {
         // Check project type. If the rewards are disable, hide the module.
         $projectId = $app->input->getInt("id");
         if (!empty($projectId)) {
             $project = Crowdfunding\Project::getInstance(JFactory::getDbo(), $projectId);
             $type = $project->getType();
             // Hide the module Crowdfunding Rewards, if rewards are disabled for this type.
             if (!is_null($type) and !$type->isRewardsEnabled()) {
                 $this->hideModule("mod_crowdfundingrewards");
             }
         }
     }
     // Module Crowdfunding Details (mod_crowdfundingdetails) on backing and embed pages.
     if (!$isCrowdfundingComponent or strcmp($option, "com_crowdfunding") == 0 and !in_array($view, $allowedViewsModuleDetails)) {
         $this->hideModule("mod_crowdfundingdetails");
     }
     // Module Crowdfunding Filters (mod_crowdfundingfilters).
     if (!$isCrowdfundingComponent or strcmp($option, "com_crowdfunding") == 0 and !in_array($view, $allowedViewsModuleFilters)) {
         $this->hideModule("mod_crowdfundingfilters");
     }
 }

 public function onAfterDispatch()
 {
     $app = JFactory::getApplication();
     /** @var $app JApplicationSite */
     if ($app->isAdmin()) {
         return;
     }
     $document = JFactory::getDocument();
     /** @var $document JDocumentHtml */
     $type = $document->getType();
     if (strcmp('html', $type) !== 0) {
         return;
     }
     // It works only for GET and POST requests.
     $method = strtolower($app->input->getMethod());
     if (!in_array($method, array('get', 'post'), true)) {
         return;
     }
     // Check component enabled
     if (!JComponentHelper::isEnabled('com_crowdfunding')) {
         return;
     }
     $view = $app->input->getCmd('view');
     $option = $app->input->getCmd('option');
     $isCrowdfundingComponent = strcmp($option, 'com_crowdfunding') === 0;
     $isDetailsPage = (strcmp($option, 'com_crowdfunding') === 0 and strcmp($view, 'details') === 0);
     // Allowed views for the module Crowdfunding Details
     $allowedViewsModuleDetails = array('backing', 'embed', 'report', 'friendmail');
     $allowedViewsModuleFilters = array('discover', 'category');
     // Hide some modules if it is not details page.
     if (!$isDetailsPage) {
         $this->hideModule('mod_crowdfundinginfo');
         $this->hideModule('mod_crowdfundingprofile');
         $this->hideModule('mod_crowdfundingreporting');
     }
     // Module Crowdfunding Rewards (mod_crowdfundingrewards).
     if (!$isDetailsPage) {
         $this->hideModule('mod_crowdfundingrewards');
     } else {
         // Check project type. If the rewards are disable, hide the module.
         $projectId = $app->input->getInt('id');
         if ($projectId > 0 and !CrowdfundingHelper::isRewardsEnabled($projectId)) {
             // Hide the module Crowdfunding Rewards, if rewards are disabled.
             $this->hideModule('mod_crowdfundingrewards');
         }
     }
     // Module Crowdfunding Details (mod_crowdfundingdetails) on backing and embed pages.
     if (!$isCrowdfundingComponent or strcmp($option, 'com_crowdfunding') === 0 and !in_array($view, $allowedViewsModuleDetails, true)) {
         $this->hideModule('mod_crowdfundingdetails');
     }
     // Module Crowdfunding Filters (mod_crowdfundingfilters).
     if (!$isCrowdfundingComponent or strcmp($option, 'com_crowdfunding') === 0 and !in_array($view, $allowedViewsModuleFilters, true)) {
         $this->hideModule('mod_crowdfundingfilters');
     }
     // Module Crowdfunding Filters (mod_crowdfundingsearch).
     if (!$isCrowdfundingComponent or strcmp($option, 'com_crowdfunding') === 0 and !in_array($view, $allowedViewsModuleFilters, true)) {
         $this->hideModule('mod_crowdfundingsearch');
     }
 }

 /**
  * Method to check whether a specific component is there
  *
  * @param string $component
  * @return bool
  */
 protected function checkComponent($component)
 {
     jimport('joomla.application.component.helper');
     if (is_dir(JPATH_ADMINISTRATOR . '/components/' . $component) && JComponentHelper::isEnabled($component) == true) {
         return true;
     } else {
         return false;
     }
 }

 public function isEnabled()
 {
     jimport('joomla.application.component.helper');
     if (is_dir(JPATH_ADMINISTRATOR . '/components/com_community') && JComponentHelper::isEnabled('com_community') == true) {
         return true;
     } else {
         return false;
     }
 }

 public function getUsers()
 {
     if (!JComponentHelper::isEnabled('com_kunena')) {
         JFactory::getApplication()->enqueueMessage(JText::sprintf('PLG_SYSTEM_MEMBERMAP_SOURCE_NOT_ENABLED', 'Kunena'), 'error');
         return false;
     }
     $db = JFactory::getDbo();
     $query = $db->getQuery(true)->select('DISTINCT u.id')->from('#__kunena_users AS ku')->join('INNER', '#__users AS u ON(u.id = ku.userid)')->where('u.block = ' . $db->quote(0))->where('ku.location != ' . $db->quote(''));
     if ($usergroups = $this->params->get('usergroup')) {
         $query->join('INNER', '#__user_usergroup_map AS g ON(u.id = g.user_id)');
         $query->where('g.group_id IN(' . implode(',', $usergroups) . ')');
     }
     switch ($this->params->get('order', 'name')) {
         default:
         case 'name':
             $query->order('u.name');
             break;
         case 'username':
             $query->order('u.username');
             break;
         case 'userid':
             $query->order('u.id');
             break;
         case 'location':
             $query->order('ku.location');
             break;
         case 'random':
             $query->order('RAND()');
             break;
     }
     $db->setQuery($query);
     $members = $db->loadColumn();
     if (empty($members)) {
         return null;
     }
     $users = array();
     foreach ($members as $key => &$member) {
         $member = KunenaFactory::getUser($member);
         $users[$key] = new stdClass();
         $users[$key]->address = $member->location;
         $users[$key]->requests = 0;
         $users[$key]->ready = false;
         if ($this->params->get('avatar', 1)) {
             $users[$key]->avatar = $member->getAvatarURL();
             if (!filter_var($users[$key]->avatar, FILTER_VALIDATE_URL)) {
                 $users[$key]->avatar = JUri::root() . $users[$key]->avatar;
             }
         }
         $users[$key]->name = $member->getName();
         $users[$key]->url = $member->getURL();
     }
     #domix($users, 1);
     return $users;
 }