<?php

/**
* News Gallery
* @package News Show Pro GK5
* @Copyright (C) 2009-2013 Gavick.com
* @ All rights reserved
* @ Joomla! is Free Software
* @license - http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
* @version $Revision: GK5 1.3.3 $
**/

// access restriction
defined('_JEXEC') or die('Restricted access');

class NSP_GK5_News_Gallery {
	// necessary class fields
	private $parent;
	private $mode;
	// constructor
	function __construct($parent) {
		$this->parent = $parent;
		// detect the supported Data Sources
		
		
		if(stripos($this->parent->config['data_source'], 'com_content_') !== FALSE) {
			$this->mode = 'com_content';
		} else if(stripos($this->parent->config['data_source'], 'k2_') !== FALSE) { 
			$this->mode = 'com_k2';
		} else if(stripos($this->parent->config['data_source'], 'easyblog_') !== FALSE) { 
			$this->mode = 'com_easyblog';
		} else {
			$this->mode = false;
		}
	}
	// static function which returns amount of articles to render - VERY IMPORTANT!!
	static function amount_of_articles($parent) {
		return $parent->config['portal_mode_news_gallery_amount'];
	}
	// output generator	
	function output() {
		// amount
		$amount = 0;	
		// main wrapper
		echo '<div class="gkNspPM gkNspPM-NewsGallery'.(($this->parent->config['portal_mode_news_gallery_autoanimation'] == 1) ? ' gkAutoAnimation' : '') . (($this->parent->config['portal_mode_news_gallery_pagination_type'] == 'arrows') ? ' gkArrows' : '').'" data-cols="'.$this->parent->config['portal_mode_news_gallery_cols'].'" data-autoanim-time="'.$this->parent->config['portal_mode_news_gallery_autoanimation_time'].'">';
		// images wrapper
		echo '<div class="gkImagesWrapper gkImagesCols'.$this->parent->config['portal_mode_news_gallery_cols'].'">';
		// render images
		for($i = 0; $i < count($this->parent->content); $i++) {			
			if($this->get_image($i)) {
				echo '<a href="'.$this->get_link($i).'" title="'.strip_tags($this->parent->content[$i]['title']).'" class="gkImage show '.(($i+1 <= $this->parent->config['portal_mode_news_gallery_cols']) ? ' active' : ''). '">';
				echo '<img src="'.strip_tags($this->get_image($i)).'" alt="'.strip_tags($this->parent->content[$i]['title']).'" />';
				echo '</a>';
				// increase the amount
				$amount++;
			}		
		}
		// closing images wrapper
		echo '</div>';
		// pagination buttons
		if($amount > $this->parent->config['portal_mode_news_gallery_cols']) {
			if($this->parent->config['portal_mode_news_gallery_pagination_type'] == 'arrows') {
				echo '<a href="#prev" class="gkPrevBtn">&laquo;</a>';
				echo '<a href="#next" class="gkNextBtn">&raquo;</a>';
			} else {
				echo '<ul class="gkPagination">';
			  
				$pages = ceil($amount / $this->parent->config['portal_mode_news_gallery_cols']);
			  
				for($i = 0; $i < $pages; $i++) :
					echo '<li'.(($i == 0) ? ' class="active"' : '').'>'.($i+1).'</li>';
				endfor;
			  
				echo '</ul>';
			}	
		}
		// closing main wrapper
		echo '</div>';
	}
	// function used to retrieve the item URL
	function get_link($num) {
		if($this->mode == 'com_content') {
			return ($this->parent->content[$num]['id'] != 0) ? JRoute::_(ContentHelperRoute::getArticleRoute($this->parent->content[$num]['id'], $this->parent->content[$num]['cid'])) : JRoute::_('index.php?option=com_users&view=login');
		} else if($this->mode == 'com_k2') {
			//
			require_once (JPATH_SITE.DS.'components'.DS.'com_k2'.DS.'helpers'.DS.'route.php');
			//
			return urldecode(JRoute::_(K2HelperRoute::getItemRoute($this->parent->content[$num]['id'].':'.urlencode($this->parent->content[$num]['alias']), $this->parent->content[$num]['cid'].':'.urlencode($this->parent->content[$num]['cat_alias']))));
		} else if($this->mode == 'com_easyblog') {
			//
			require_once (JPATH_SITE.DS.'components'.DS.'com_easyblog'.DS.'helpers'.DS.'router.php');
			//
			return urldecode(JRoute::_(EasyBlogRouter::getEntryRoute($this->parent->content[$num]['id'])));
		} else {
			return false;
		}
	}
	// image generator
	function get_image($num) {		
		// used variables
		$url = false;
		$output = '';
		// select the proper image function
		if($this->mode == 'com_content') {
			// load necessary com_content View class
			if(!class_exists('NSP_GK5_com_content_View')) {
				require_once(JModuleHelper::getLayoutPath('mod_news_pro_gk5', 'com_content/view'));
			}
			// generate the com_content image URL only
			$url = NSP_GK5_com_content_View::image($this->parent->config, $this->parent->content[$num], true, true);
		} else if($this->mode == 'com_k2') {
			// load necessary k2 View class
			if(!class_exists('NSP_GK5_com_k2_View')) {
				require_once(JModuleHelper::getLayoutPath('mod_news_pro_gk5', 'com_k2/view'));
			}
			// generate the K2 image URL only
			$url = NSP_GK5_com_k2_View::image($this->parent->config, $this->parent->content[$num], true, true);
		} else if($this->mode == 'com_easyblog') {
			// load necessary EasyBlog View class
			if(!class_exists('NSP_GK5_com_easyblog_View')) {
				require_once(JModuleHelper::getLayoutPath('mod_news_pro_gk5', 'com_easyblog/view'));
			}
			// generate the EasyBlog image URL only
			
			$url = NSP_GK5_com_easyblog_View::image($this->parent->config, $this->parent->content[$num], true, true);
		}
		// check if the URL exists
		if($url === FALSE) {
			return false;
		} else {
			// if URL isn't blank - return it!
			if($url != '') {
				return $url;
			} else {
				return false;
			}
		}
	}
}

// EOF