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<?php
/**
* Helper class for Tabs GK5 module
*
* GK Tab
* @package Joomla!
* @Copyright (C) 2009-2012 Gavick.com
* @ All rights reserved
* @ Joomla! is Free Software
* @ Released under GNU/GPL License : http://www.gnu.org/copyleft/gpl.html
* @ version $Revision: GK5 1.0 $
**/
// access restriction
defined('_JEXEC') or die('Restricted access');
// import JString class for UTF-8 problems
jimport('joomla.utilities.string');
// Main GK Tab class
class TabsGK5Helper {
private $config; // configuration array
private $tabs; // array of tabs content
private $mod_getter; // object to get the modules
private $active_tab; // number of the active tab
// constructor
public function __construct($module, $params) {
// put the module params to the $config variable
$this->config = $params->toArray();
// if the user set engine mode to Mootools
if($this->config['engine_mode'] == 'mootools') {
// load the MooTools framework to use with the module
JHtml::_('behavior.framework', true);
} else if($this->config['include_jquery'] == 1) {
// if the user specify to include the jQuery framework - load newest jQuery 1.7.*
$doc = JFactory::getDocument();
// generate keys of script section
$headData = $doc->getHeadData();
$headData_keys = array_keys($headData["scripts"]);
// set variable for false
$engine_founded = false;
// searching phrase mootools in scripts paths
if(array_search('https://ajax.googleapis.com/ajax/libs/jquery/1.7/jquery.min.js', $headData_keys) > 0) {
$engine_founded = true;
}
//
if(!$engine_founded) {
$doc->addScript('https://ajax.googleapis.com/ajax/libs/jquery/1.7/jquery.min.js');
}
}
// set the active tab
$this->active_tab = $this->config['initial_tab'];
// initializing the tabs array
$this->tabs = array(
"content" => array(),
"title" => array(),
"type" => array(),
"id" => array(),
"animation" => array()
);
// getting module ID
$this->config['module_id'] = ($this->config['automatic_module_id'] == 1) ? 'gk-tabs-' . $module->id : $params->get('module_id', 'gk-tabs-1');
// check the data source type
if($this->config['module_data_source'] == 'tabsmanager') {
// parse JSON data if it comes from the tabs manager
$this->config['tabs_data'] = json_decode($this->config['tabs_data']);
} else {
// check the type of the source file
if($this->config['external_source'] == -1) {
// if there is no selected files - set the tabs_data to blank array
$this->config['tabs_data'] = array();
} else {
// if it is a JSON file
if(stripos($this->config['external_source'], '.json') !== FALSE) {
// read the file content
$json_content = file_get_contents(JPATH_ROOT . DS . 'modules' . DS . 'mod_tabs_gk5' . DS . 'external_data' . DS . $this->config['external_source']);
// and parse it
$this->config['tabs_data'] = json_decode($json_content);
} else if(stripos($this->config['external_source'], '.xml') !== FALSE) {
// Load Simple XML parser
jimport('joomla.utilities.simplexml');
// create a new instance of the JSimpleXML parser
$xml = new JSimpleXML();
// loading file
$xml->loadFile(JPATH_ROOT . DS . 'modules' . DS . 'mod_tabs_gk5' . DS . 'external_data' . DS . $this->config['external_source']);
// creating empty array
$this->config['tabs_data'] = array();
// parsing tabs
foreach($xml->document->tab as $tab) {
array_push(
$this->config['tabs_data'],
new GKTabObject(
$tab->getElementByPath('name')->data(),
$tab->getElementByPath('type')->data(),
$tab->getElementByPath('content')->data(),
$tab->getElementByPath('published')->data(),
$tab->getElementByPath('access')->data(),
$tab->getElementByPath('id')->data(),
$tab->getElementByPath('animation')->data()
)
);
}
} else {
// if there is file in other format - set the tabs_data to blank array
$this->config['tabs_data'] = array();
}
}
}
}
// function to render module code
public function render() {
if(count($this->config['tabs_data']) == 0) {
echo JText::_('MOD_TABS_GK5_NO_TABS_TO_SHOW');
return false;
}
// get the user access levels
$access = JAccess::getAuthorisedViewLevels(JFactory::getUser()->get('id'));
// remove the unpublished or invisible for specified user tabs and put only necessary tabs
for($i = 0; $i < count($this->config['tabs_data']); $i++) {
if($this->config['tabs_data'][$i]->published == 1 && ($this->checkAccess($this->config['tabs_data'][$i]->access, $access))) {
// parse plugins code in the tab XHTML content
if($this->config['parse_plugins'] == 1) {
$this->config['tabs_data'][$i]->content = JHtml::_('content.prepare', $this->config['tabs_data'][$i]->content);
}
// put the data to specific array
array_push($this->tabs["title"], $this->config['tabs_data'][$i]->name);
array_push($this->tabs["content"], $this->config['tabs_data'][$i]->content);
array_push($this->tabs["type"], $this->config['tabs_data'][$i]->type);
array_push($this->tabs["id"], $this->config['tabs_data'][$i]->id);
array_push($this->tabs["animation"], $this->config['tabs_data'][$i]->animation);
}
}
// create necessary instances of the Joomla! classes
$document = JFactory::getDocument();
$uri = JURI::getInstance();
// add stylesheets to document header
if($this->config["useCSS"] == 1) {
$document->addStyleSheet( $uri->root().'modules/mod_tabs_gk5/styles/'.$this->config['styleCSS'].'.css', 'text/css' );
} else {
$document->addStyleSheet( $uri->root().'modules/mod_tabs_gk5/styles/backward-compatibility.css', 'text/css' );
}
// get active tab:
$uri_id_fragment = '';
// puth height CSS rules
$document = JFactory::getDocument();
$document->addStyleDeclaration('#'.$this->config['module_id'].' .gkTabsContainer0, #'.$this->config['module_id'].' .gkTabsContainer1, #'.$this->config['module_id'].' .gkTabsContainer2 { height: '.$this->config['module_height'].'px; }');
// if url selection is enabled
if($this->config['url_tab_selection'] == 1) {
if($uri->getVar('gktab', '') != '') {
$this->active_tab = (int) $uri->getVar('gktab', '');
}
}
// if cookie selection is enabled
if($this->config['cookie_tab_selection'] == 1) {
if(isset($_COOKIE['gktab-' . $this->config['module_id']])) {
$this->active_tab = (int) $_COOKIE['gktab-' . $this->config['module_id']];
}
}
// check the active_tab value
if($this->active_tab > count($this->config['tabs_data'])) {
$this->active_tab = 1;
}
// getting module head section datas
$headData = $document->getHeadData();
// generate keys of script section
$headData_keys = array_keys($headData["scripts"]);
// set variable for false
$engine_founded = false;
// searching phrase mootools in scripts paths
if(array_search($uri->root().'modules/mod_tabs_gk5/scripts/engine.'.($this->config['engine_mode']).'.js', $headData_keys) > 0) {
// if founded set variable to true
$engine_founded = true;
}
// if engine file doesn't exists in document head section
if(!$engine_founded || $this->config['useScript'] == 1) {
// add new script tag connected with mootools from module
$document->addScript($uri->root().'modules/mod_tabs_gk5/scripts/engine.'.($this->config['engine_mode']).'.js');
}
// generate GK Tab configuration array
$config_data = array(
"activator" => $this->config['activator'],
"animation" => $this->config['animation'],
"animation_interval" => $this->config['animation_interval'],
"animation_type" => $this->config['animation_type'],
"active_tab" => $this->active_tab,
"cookie_save" => $this->config['cookie_tab_selection'],
"auto_height" => ($this->config['tabs_position'] == 'left' || $this->config['tabs_position'] == 'right') ? 0 : $this->config['module_auto_height'],
"module_height" => $this->config['module_height'],
"rtl" => isset($this->config['rtl']) ? $this->config['rtl'] : 0
);
// store it as JSON
$config_data = str_replace('"', '\'', json_encode($config_data));
//
if($this->config['tabs_position'] == 'left' || $this->config['tabs_position'] == 'right') {
$document->addStyleDeclaration('#'.$this->config['module_id'].' .gkTabsWrap > ol { width: '.$this->config['tabs_width'].'px; }'. "\n");
}
// override styles for RTL
if(isset($this->config['rtl']) && $this->config['rtl'] == 1) {
$document->addStyleDeclaration('.gkTabsItem.active { left: auto; right: 0; }'."\n");
$document->addStyleDeclaration('.gkTabsItem { left: auto; right: -9999px; }'."\n");
}
// include main module view
require(JModuleHelper::getLayoutPath('mod_tabs_gk5', isset($this->config['layout']) ? $this->config['layout'] : 'default'));
}
// function to generate the module tabs
public function moduleRender() {
// iterate all tabs
for($i = 0; $i < count($this->tabs["content"]); $i++) {
// check if selected tab is active
$active_class = ' gk-' . (($this->tabs['animation'][$i] == 'default') ? $this->config['animation_type'] : $this->tabs['animation'][$i]) . ' ' . (($this->active_tab == $i + 1) ? 'gk-active' : 'gk-hide');
// if the tab contains the module
if($this->tabs["type"][$i] == 'module') {
$this->mod_getter = JModuleHelper::getModules($this->tabs["content"][$i]);
require(JModuleHelper::getLayoutPath('mod_tabs_gk5','module'));
}
// tabs with XHTML code
if($this->tabs["type"][$i] == 'xhtml') {
$content = $this->tabs["content"][$i];
require(JModuleHelper::getLayoutPath('mod_tabs_gk5','xhtml'));
}
}
}
// function to check the tab access levels
private function checkAccess($tabACL, $userACL) {
// cast to integer
$tabACL = (int) $tabACL;
// if the user have priviliges return true
if(in_array($tabACL, $userACL)) {
return true;
}
// in other way return false
return false;
}
}
// helper class to create objects from XML
if(!class_exists('GKTabObject')) {
class GKTabObject {
public $name;
public $type;
public $content;
public $published;
public $access;
public $id;
public $animation;
function __construct($name, $type, $content, $published, $access, $id, $animation) {
$this->name = $name;
$this->type = $type;
$this->content = $content;
$this->published = $published;
$this->access = $access;
$this->id = $id;
$this->animation = $animation;
}
}
}
// EOF