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/home/develito/httpdocs/components/com_abook/views/book/view.html.php

<?php
/**
 * @package Joomla
 * @subpackage Abook
 * @copyright (C) 2010-2019 Federica Ugolotti
 * @license GNU/GPL, see LICENSE.php
 * Abook is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License 3
 * as published by the Free Software Foundation.

* Abook is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

* You should have received a copy of the GNU General Public License
 * along with Abook; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

defined( '_JEXEC' ) or die( 'Restricted access' );
jimport( 'joomla.application.application' );
jimport( 'joomla.application.component.view' );
jimport( 'joomla.filesystem.file' );
class AbookViewBook extends JViewLegacy
{
	protected $state;
        protected $item;
        protected $print;
	protected $params;
	protected $user;
	protected $authors;
	protected $captchaEnabled = false;

function display($tpl = null)
        {
                // Initialise variables.
                $app = JFactory::getApplication();
                $user = JFactory::getUser();
                $dispatcher = JDispatcher::getInstance();

// Get model data.
                $this->state = $this->get('State');
                $this->item = $this->get('Item');
		$item            = $this->item;
		$this->authors = $this->get('Authors');
		$this->tags = $this->get('Tags');
		$this->user  = $user;

// Check for errors.
                if (count($errors = $this->get('Errors'))){
                        throw new Exception(implode("\n", $errors), 500);
                }
			
		if($item == false)
                {
                        throw new Exception(JText::_('JGLOBAL_ITEM_NOT_FOUND'), 404);
                }

$this->filename= JFile::getName($item->file);
	        $document       = JFactory::getDocument();
                $document->addStyleSheet('components/com_abook/assets/css/style.css');

JHTML::_('behavior.modal');
                $document->addScriptDeclaration("
                window.addEvent('domready', function() {
                        document.preview = SqueezeBox;
                });");

// Get view related request variables.
                $this->print = $app->input->getBool('print'); 
		//-----------------------------------------------------------------------------------------------------------------------------
                // Merge book params. If this is single-book view, menu params override book params
                // Otherwise, book params override menu item params
                $this->params = $this->state->get('params');
                $active       = $app->getMenu()->getActive();
                $temp         = clone $this->params;

// Check to see which parameters should take priority
                if ($active)
                {
                        $currentLink = $active->link;

// If the current view is the active item and an book view for this book, then the menu item params take priority
                        if (strpos($currentLink, 'view=book') && strpos($currentLink, '&id=' . (string) $item->id))
                        {
                                // Load layout from active query (in case it is an alternative menu item)
                                if (isset($active->query['layout']))
                                {
                                        $this->setLayout($active->query['layout']);
                                }
                                // Check for alternative layout of book
                                elseif ($layout = $item->params->get('book_layout'))
                                {
                                        $this->setLayout($layout);
                                }

// $item->params are the book params, $temp are the menu item params
                                // Merge so that the menu item params take priority
                                $item->params->merge($temp);
                        }
                        else
                        {
                                // Current view is not a single book, so the book params take priority here
                                // Merge the menu item params with the book params so that the book params take priority
                                $temp->merge($item->params);
                                $item->params = $temp;

// Check for alternative layouts (since we are not in a single-book menu item)
                                // Single-book menu item layout takes priority over alt layout for an book
                                if ($layout = $item->params->get('book_layout'))
                                {
                                        $this->setLayout($layout);
                                }
                        }
                }
                else
                {
                        // Merge so that book params take priority
                        $temp->merge($item->params);
                        $item->params = $temp;

// Check for alternative layouts (since we are not in a single-book menu item)
                        // Single-book menu item layout takes priority over alt layout for an book
                        if ($layout = $item->params->get('book_layout'))
                        {
                                $this->setLayout($layout);
                        }
                }
		//-----------------------------------------------------------------------------------------------------------------------------
		if ($this->params->get('view_rate', 1)){ 
			$vote = $this->get('Voting');
			$this->assignRef('vote',              $vote);			
		}

$lend=$this->params->get('show_lend_availability', 1); 
                if($lend){
                        $this->lend = $this->get('Lend');
                }

// check if access is not public
                $groups = $this->user->getAuthorisedViewLevels();

$return ="";
                if ((!in_array($item->access, $groups)) || (!in_array($item->category_access, $groups))) {
                        $uri            = JFactory::getURI();
                        $return         = (string)$uri;

JFactory::getApplication()->enqueueMessage(JText::_('JERROR_ALERTNOAUTHOR'), 'error');
                                return;

}
		$offset = $this->state->get('list.offset');
		//inizio plugin
		$item->text=$item->description;
		JPluginHelper::importPlugin('content');
		JPluginHelper::importPlugin('abook');
                $results = $dispatcher->trigger('onContentPrepare', array ('com_abook.book', &$item, &$this->params, $offset));

$item->event = new stdClass;
                $results = $dispatcher->trigger('onContentAfterTitle', array('com_abook.book', &$item, &$this->params, $offset));
                $item->event->afterDisplayTitle = trim(implode("\n", $results));

$results = $dispatcher->trigger('onContentBeforeDisplay', array('com_abook.book', &$item, &$this->params, $offset));
                $item->event->beforeDisplayContent = trim(implode("\n", $results));

$results = $dispatcher->trigger('onContentAfterDisplay', array('com_abook.book', &$item, &$this->params, $offset));
                $item->event->afterDisplayContent = trim(implode("\n", $results));

$item->description=$item->text;
		//fine plugin

//incremento il numero delle visite
                $model = $this->getModel();
                $model->hit();

// Add router helpers.
                $item->slug = $item->alias ? ($item->id . ':' . $item->alias) : $item->id;
                $item->catslug = $item->category_alias ? ($item->catid . ':' . $item->category_alias) : $item->catid;
                $item->parent_slug = $item->category_alias ? ($item->parent_id . ':' . $item->parent_alias) : $item->parent_id;
		$item->authorreview = $item->created_by_alias==''?$item->written_by:$item->created_by_alias;
		JHtml::_('behavior.formvalidation');
		if ($this->params->get( 'breadcrumb' ) != 0){
                        $categories = $this->get('Categories');
                        $category = $this->get('Category');
                        $parent = $this->get('Parent');
                        $this->assignRef('categories',        $categories);
                        $this->assignRef('category',  $category);
                        $this->assignRef('parent',      $parent);
                }

$this->assignRef('return',      $return);
		
		if ($this->item->docsfolder != ''){
                        $this->docslist         = JFolder::files(JPATH_ROOT.DIRECTORY_SEPARATOR.$this->item->docsfolder.DIRECTORY_SEPARATOR, '', '', '', array('.svn', 'CVS','.DS_Store','__MACOSX', 'index.html'));
                }
		//captcha
		$captchaSet = $this->params->get('captcha', JFactory::getApplication()->get('captcha', '0'));

foreach (JPluginHelper::getPlugin('captcha') as $plugin)
                {
                        if ($captchaSet === $plugin->name)
                        {
                                $this->captchaEnabled = true;
                                break;
                        }
                }
		//fine captcha
                $this->_prepareDocument();

parent::display($tpl);
        }

protected function _prepareDocument()
        {
                $app            = JFactory::getApplication();
                $menus          = $app->getMenu();
                $pathway        = $app->getPathway();
                $title          = null;

$menus  = $app->getMenu();
                $menu   = $menus->getActive();

if ($menu){
                        $this->params->def('page_heading', $this->params->get('page_title', $menu->title));
                }else{
                        $this->params->def('page_heading', $this->params->def('comp_name'));
                }
		if ($this->params->get( 'breadcrumb' ) != 0){
			$path= null;
			$path[] = array('title' => $this->item->category_title, 'link' => AbookHelperRoute::getCategoryRoute($this->item->catslug));
			$category=$this->category->getParent();

//suggerito da evpadallas http://forum.voxpopulix.org/errori-(bugs)/not-working-sef_advanced_link/
			if ($category->id != "root"){
				while($category->id > 1){
					$path[] = array('title' => $category->title, 'link' => AbookHelperRoute::getCategoryRoute($category->id.':'.$category->alias));
					$category = $category->getParent();
				}
			}

if ($category != ''){
				$path = array_reverse($path);
				foreach ($path as $item){
					$pathway->addItem($item['title'], $item['link']);
				}
			}
			//if breadcrumb is set to be shows in joomla breadcrumb
			if ($this->params->get( 'breadcrumb' ) == 1) {
				$pathway->addItem($this->item->title);
			}
			$path[]=array('title' =>$this->item->title, 'link' => '');
			$this->assignRef('path', $path);
		}
		$title = $this->params->get('page_title', '');
                if (empty($title)) {
			$title = $this->item->cat_title." - ".$this->item->title;
		}elseif ($app->getCfg('sitename_pagetitles', 0) == 1) {
                        $title = $this->params->get('comp_name').' - '.$this->item->category_title." - ".$this->item->title;
		}elseif ($app->getCfg('sitename_pagetitles', 0) == 2) {
                        $title = $this->item->category_title." - ".$this->item->title.' - '.$this->params->get('comp_name');
                }else{
                        $title = $this->params->get('page_title', '').' - '.$this->item->category_title." - ".$this->item->title;
                }
                $this->document->setTitle($title);

if ($this->item->metadesc){
                        $this->document->setDescription($this->item->metadesc);
                }else if (!$this->item->metadesc && $this->params->get('menu-meta_description')){
			$this->document->setDescription($this->params->get('menu-meta_description'));
		}

if ($this->item->metakey){
                        $this->document->setMetadata('keywords', $this->item->metakey);
                }else if (!$this->item->metakey&& $this->params->get('menu-meta_keywords')){
			$this->document->setMetadata('keywords', $this->params->get('menu-meta_keywords'));
		}

if ($this->print){
                        $this->document->setMetaData('robots', 'noindex, nofollow');
                }else{
			if ($this->params->get('robots'))
                	{
                        	$this->document->setMetadata('robots', $this->params->get('robots'));
                	}
		}

if ($app->getCfg('MetaAuthor') == '1'){
                        $this->document->setMetaData('author', $this->item->authorreview);
                }

$mdata = $this->item->metadata->toArray();

foreach ($mdata as $k => $v){
                        if ($v){
                                $this->document->setMetadata($k, $v);
                        }
                }
        }
}