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Filename : gk.framework.php
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<?php

/**
 *
 * Main framework class
 *
 * @version             1.0.0
 * @package             Gavern Framework
 * @copyright			Copyright (C) 2010 - 2011 GavickPro. All rights reserved.
 *               
 */
 
// No direct access.
defined('_JEXEC') or die;

if(!defined('DS')){
   define('DS',DIRECTORY_SEPARATOR);
}


require_once(dirname(__file__) . DS . 'framework' . DS . 'gk.parser.php');
require_once(dirname(__file__) . DS . 'framework' . DS . 'gk.browser.php');

require_once(dirname(__file__) . DS . 'framework' . DS . 'helper.api.php');
require_once(dirname(__file__) . DS . 'framework' . DS . 'helper.cache.php');
require_once(dirname(__file__) . DS . 'framework' . DS . 'helper.layout.php');
require_once(dirname(__file__) . DS . 'framework' . DS . 'helper.menu.php');
require_once(dirname(__file__) . DS . 'framework' . DS . 'helper.mootools.php');
require_once(dirname(__file__) . DS . 'framework' . DS . 'helper.social.php');
require_once(dirname(__file__) . DS . 'framework' . DS . 'helper.utilities.php');

/*
* Main framework class
*/
class GKTemplate {
    // template name
    public $name = 'magazine_j30';
    // access to the standard Joomla! template API
    public $API;
    // access to the helper classes
    public $cache;
    public $layout;
    public $social;
    public $utilities;
    public $menu;
    public $mootools;
    // detected browser:
    public $browser;
    // page config
    public $config;
    // page menu
    public $mainmenu;
    // mobile menu
    public $mobilemenu;
    // module styles
    public $module_styles;
    // page suffix
    public $page_suffix;
    
    // constructor
    public function __construct($tpl, $module_styles, $embed_mode = false) {
        // load the mootools
        JHtml::_('behavior.framework', true);
		// put the template handler into API field
        $this->API = new GKTemplateAPI($tpl);
        $this->APITPL = $tpl;
        // get the helpers
        $this->cache = new GKTemplateCache($this);
        $this->social = new GKTemplateSocial($this);
        $this->utilities = new GKTemplateUtilities($this);
        $this->menu = new GKTemplateMenu($this);
        $this->mootools = new GKTemplateMooTools($this);
        // create instance of GKBrowser class and detect
        $browser = new GKBrowser();
        $this->browser = $browser->result;
        // get the params
        $this->getParameters();
        // get the page suffix
        $this->getSuffix();
        // put the styles to class field
        $this->module_styles = $module_styles;
        // get the modules overrides
        $this->getModuleStylesOverride();
        // get type and generate menu
        $this->mainmenu = $this->menu->getMenuType();
        $this->mobilemenu = $this->menu->getMenuType(true);
		// enable/disable mootools for pages 
        $this->mootools->getMooTools();
        // load the layout helper
        $this->layout = new GKTemplateLayout($this);
        // get the layout
        if(!$embed_mode) {   
    		$this->getLayout('normal');
        }
        // parse FB and Twitter buttons
        $this->social->socialApiParser($embed_mode);
        // define an event for replacement
        $dispatcher = JDispatcher::getInstance();
 		// set a proper event for GKParserPlugin 
 		if($this->API->get('use_gk_cache', 0) == 0) {
 			$dispatcher->register('onAfterRender', 'GKParserPlugin');
 		} else {
 			$dispatcher->register('onBeforeCache', 'GKParserPlugin');
 		}
    }
    
    // get the template parameters in PHP form
    public function getParameters() {
        // create config object
        $this->config = new JObject();
        // set layout override param
        $this->config->set('layout_override', $this->utilities->overrideArrayParse($this->API->get('layout_override', '')));
        $this->config->set('suffix_override', $this->utilities->overrideArrayParse($this->API->get('suffix_override', ''), true));
        $this->config->set('module_override', $this->utilities->overrideArrayParse($this->API->get('module_override', '')));  
        $this->config->set('tools_override', $this->utilities->overrideArrayParse($this->API->get('tools_for_pages', '')));
    	$this->config->set('mootools_override', $this->utilities->overrideArrayParse($this->API->get('mootools_for_pages', '')));
    	$this->config->set('sidebar_width_override', $this->utilities->overrideArrayParse($this->API->get('sidebar_width_for_pages', '')));
	}
   
    // function to get layout for specified mode
    public function getLayout($mode) {
		// check the override
		$is_overrided = $this->getLayoutOverride();
		// if current page is overrided
		if ($is_overrided !== false) {
			$layoutpath = $this->API->URLtemplatepath() . DS . 'layouts' . DS . $is_overrided . '.php';
			if (is_file($layoutpath)) {
				include ($layoutpath);
			} else {	
				$layoutpath = $this->API->URLtemplatepath() . DS . 'layouts' . DS . $this->API->get('default_layout', 'default') . '.php';
				if (is_file($layoutpath)) {
					include ($layoutpath);
				} else {
					echo 'Default layout doesn\'t exist!';
				}
			}
		} else { // else - load default layout
			$layoutpath = $this->API->URLtemplatepath() . DS . 'layouts' . DS . $this->API->get('default_layout', 'default') . '.php';
			if (is_file($layoutpath)) {
				include ($layoutpath);	
			} else {
				echo 'Default layout doesn\'t exist!';
			}
		}
    }
   
    // function to get layout override
    public function getLayoutOverride() {
        // get current ItemID
        $ItemID = JRequest::getInt('Itemid');
        // get current option value
        $option = JRequest::getCmd('option');
        
        // override array
        $layout_overrides = $this->config->get('layout_override');
        // check the config
        if (isset($layout_overrides[$ItemID])) {
            return $layout_overrides[$ItemID];
        } else {
            if (isset($layout_overrides[$option])) {
                return $layout_overrides[$option];
            } else {
                return false;
            }
        }
    }

	// function to get page suffix
	public function getModuleStylesOverride() {
		if(is_array($this->module_styles)) {
	    	$keys = array_keys($this->module_styles);
	    	$module_override = $this->config->get('module_override');
	    
	    	for($i = 0; $i < count($keys); $i++) {
	    		if(isset($module_override[$keys[$i]])) {
	    			$this->module_styles[$keys[$i]] = $module_override[$keys[$i]];
	    		}
	    	}
	    }
	}

	// function to get page suffix
	public function getSuffix() {
	    // check the override
	    $is_overrided = $this->getSuffixOverride();
	    // if current page is overrided
	    if ($is_overrided !== false) {
	        $this->page_suffix = $is_overrided;
	    } else { 
	    	$this->page_suffix = '';
	    }
	}

	// function to get layout override
    public function getSuffixOverride() {
        // storage for the results
        $result = array();
        // get current ItemID
        $ItemID = JRequest::getInt('Itemid');
        // get current option value
        $option = JRequest::getCmd('option');
        // override array
        $suffix_overrides = $this->config->get('suffix_override');
        // check the config
        for($i = 0; $i < count($suffix_overrides['keys']); $i++) {
            if($suffix_overrides['keys'][$i] == $ItemID || $suffix_overrides['keys'][$i] == $option) {
                $result[] = $suffix_overrides['values'][$i];
            }
        }
        
        if(count($result) > 0) {
            return join(' ', $result);
        }
        
        return false;
    }
	
	// function to get tools override
    public function getToolsOverride() {
		// get current ItemID
		$ItemID = JRequest::getInt('Itemid');
		// get current option value
		$option = JRequest::getCmd('option');
		// override array
		$tools_override = $this->config->get('tools_override');
		// get current tools setting
        $tools_type = $this->API->get('tools', 'all');
        //
        if($tools_type == 'all') { 
        	return true; 
        } else if($tools_type == 'none') { 
        	return false; 
        } else if($tools_type == 'selected') {
            return isset($tools_override[$ItemID]) || isset($tools_override[$option]);
        } else {
            return !isset($tools_override[$ItemID]) && !isset($tools_override[$option]);
        }
    }
}

if(!function_exists('GKParserPlugin')){
	function GKParserPlugin(){
		$parser = new GKParser();
	}
}