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<?php
/**
* @package com_zoo
* @author YOOtheme http://www.yootheme.com
* @copyright Copyright (C) YOOtheme GmbH
* @license http://www.gnu.org/licenses/gpl.html GNU/GPL
*/
/**
* ZOOs generals helper class.
*
* @package Component.Helpers
* @since 2.0
*/
class ZooHelper extends AppHelper {
/**
* The current application
* @var Application
*/
protected $_application;
/**
* The current version
* @var string
*/
protected $_version;
/**
* user groups / view levels
* @var array
*/
protected $_groups;
/**
* Returns a reference to the currently active Application object.
*
* @return Application
* @since 2.0
*/
public function getApplication() {
// check if application object already exists
if (isset($this->_application)) {
return $this->_application;
}
// get joomla and application table
$joomla = $this->app->system->application;
$table = $this->app->table->application;
// handle admin
if ($joomla->isAdmin()) {
// create application from user state, or search for default
$id = $joomla->getUserState('com_zooapplication');
$apps = $table->all(array('order' => 'name'));
if (isset($apps[$id])) {
$this->_application = $apps[$id];
} else if (!empty($apps)) {
$this->_application = array_shift($apps);
}
return $this->_application;
}
// handle site
if ($joomla->isSite()) {
// get component params
$params = $joomla->getParams();
// create application from menu item params / request
if ($item_id = $this->app->request->getInt('item_id') and $item = $this->app->table->item->get($item_id)) {
$this->_application = $item->getApplication();
} else if ($category_id = $this->app->request->getInt('category_id') and $category = $this->app->table->category->get($category_id)) {
$this->_application = $category->getApplication();
} else if ($submission_id = $this->app->request->getInt('submission_id') and $submission = $this->app->table->submission->get($submission_id)) {
$this->_application = $submission->getApplication();
} else if ($id = $this->app->request->getInt('app_id')) {
$this->_application = $table->get($id);
} else if ($id = $params->get('application') and $application = $table->get((int) $id)) {
$this->_application = $application;
} else {
// try to get application from default menu item
$menu = $this->app->system->application->getMenu('site');
$default = $menu->getDefault();
if (isset($default->component) && $default->component == 'com_zoo') {
if ($app_id = $menu->getParams($default->id)->get('application')) {
$this->_application = $table->get((int) $app_id);
}
}
}
// trigger event
$this->app->event->dispatcher->notify($this->app->event->create(null, 'zoo:initApp', array('application' => &$this->_application)));
return $this->_application;
}
return null;
}
/**
* Add help button to current toolbar to show help url in popup window.
*
* @param string $ref Help url
* @since 2.0
*/
public function toolbarHelp($ref = 'http://docs.yootheme.com/home/category/zoo-20') {
JToolBar::getInstance('toolbar')->appendButton('Link', 'help', 'Help', $ref);
}
/**
* Resize and cache image file.
*
* @param string $file
* @param int $width
* @param int $height
*
* @return string image path
* @since 2.0
*/
public function resizeImage($file, $width, $height) {
// init vars
$width = (int) $width;
$height = (int) $height;
$file_info = pathinfo($file);
$thumbfile = $this->app->path->path('cache:').'/images/'.$file_info['filename'].'_'.md5($file.$width.$height).'.'.$file_info['extension'];
$cache_time = 86400; // cache time 24h
// check thumbnail directory
if (!JFolder::exists(dirname($thumbfile))) {
JFolder::create(dirname($thumbfile));
}
// create or re-cache thumbnail
if ($this->app->imagethumbnail->check() && (!is_file($thumbfile) || ($cache_time > 0 && time() > (filemtime($thumbfile) + $cache_time)))) {
$thumbnail = $this->app->imagethumbnail->create($file);
if ($width > 0 && $height > 0) {
$thumbnail->setSize($width, $height);
$thumbnail->save($thumbfile);
} else if ($width > 0 && $height == 0) {
$thumbnail->sizeWidth($width);
$thumbnail->save($thumbfile);
} else if ($width == 0 && $height > 0) {
$thumbnail->sizeHeight($height);
$thumbnail->save($thumbfile);
} else {
if (JFile::exists($file)) {
JFile::copy($file, $thumbfile);
}
}
$this->putIndexFile(dirname($thumbfile));
}
if (is_file($thumbfile)) {
return $thumbfile;
}
return $file;
}
/**
* Trigger joomla content plugins on given text.
*
* @param string $text
* @param array $params
* @param string $context
*
* @return string The text after the plugins are applied to it
* @since 2.0
*/
public function triggerContentPlugins($text, $params = array(), $context = 'com_zoo') {
// import joomla content plugins
JPluginHelper::importPlugin('content');
$registry = new JRegistry('');
$registry->loadArray($params);
$dispatcher = JDispatcher::getInstance();
$article = new stdClass;
$article->text = $text;
// disable loadmodule plugin on feed view
if ($this->app->document->getType() == 'feed') {
$plugin = JPluginHelper::getPlugin('content', 'loadmodule');
if ($this->app->parameter->create($plugin->params)->get('enabled', 1)) {
// expression to search for
$regex = '/{loadposition\s*.*?}/i';
$article->text = preg_replace($regex, '', $article->text);
}
}
$dispatcher->trigger('onContentPrepare', array($context, &$article, &$registry, 0));
return $article->text;
}
/**
* Returns user group objects.
*
* @return array
* @since 2.0
*/
public function getGroups() {
if (!isset($this->_groups)) {
$this->_groups = $this->app->database->queryObjectList("SELECT id, title AS name FROM #__viewlevels", "id");
}
return $this->_groups;
}
/**
* Return user group object.
*
* @param string $id
*
* @return object group
* @since 2.0
*/
public function getGroup($id) {
$groups = $this->getGroups();
return isset($groups[$id]) ? $groups[$id] : (object) array('id' => '', 'name' => '');
}
/**
* Returns current ZOO version.
*
* @return string version
* @since 2.0
*/
public function version() {
if (empty($this->_version) and $xml = @simplexml_load_file($this->app->path->path('component.admin:zoo.xml')) and ((string) $xml->name == 'ZOO' || (string) $xml->name == 'com_zoo')) {
$this->_version = (string) current($xml->xpath('//version'));
}
return $this->_version;
}
/**
* Build page title from Joomla configuration.
*
* @param string $title
*
* @return string title
* @since 2.0
*/
public function buildPageTitle($title) {
$dir = $this->app->system->config->get('sitename_pagetitles', 0);
if ($dir == 1) {
return JText::sprintf('JPAGETITLE', $this->app->system->config->get('sitename'), $title);
} else if ($dir == 2) {
return JText::sprintf('JPAGETITLE', $title, $this->app->system->config->get('sitename'));
}
return $title;
}
/**
* Puts an index.html into given directory
*
* @param string $dir
* @since 2.0
*/
public function putIndexFile($dir) {
$dir = rtrim($dir, "\\/");
if (!JFile::exists($dir.'/index.html')) {
$buffer = '<!DOCTYPE html><title></title>';
JFile::write($dir.'/index.html', $buffer);
}
}
/**
* Gets the application groups
*
* @return array groups
* @since 2.0
*
* @deprecated 2.5.11 use ApplicationHelper::groups()
*/
public function getApplicationGroups() {
return $this->app->application->groups();
}
/**
* Gets the application layouts
*
* @param Application $application The application object
* @param string $type_id The id of the type
* @param string $layout_type The type of the layout to fetch. Default: all
*
* @return array layouts
* @since 2.0
*
* @deprecated 2.5.11 use TypeHelper::layouts()
*/
public function getLayouts($application, $type_id, $layout_type = '') {
return $this->app->type->layouts($application->getType($type_id), $layout_type);
}
}