PHP K2HelperUtilities::setDefaultImage方法代码示例

<?php

/**
 * @version		3.0.0
 * @package		K2
 * @author		JoomlaWorks http://www.joomlaworks.net
 * @copyright	Copyright (c) 2006 - 2015 JoomlaWorks Ltd. All rights reserved.
 * @license		GNU/GPL license: http://www.gnu.org/copyleft/gpl.html
 */
// no direct access
defined('_JEXEC') or die;
// Define default image size (do not change)
K2HelperUtilities::setDefaultImage($this->item, 'itemlist', $this->params);
?>

<!-- Start K2 Item Layout -->
<div class="catItemView group<?php 
echo ucfirst($this->item->itemGroup);
echo $this->item->featured ? ' catItemIsFeatured' : '';
if ($this->item->params->get('pageclass_sfx')) {
    echo ' ' . $this->item->params->get('pageclass_sfx');
}
?>
">

	<!-- Plugins: BeforeDisplay -->
	<?php 
echo $this->item->event->BeforeDisplay;
?>

	<!-- K2 Plugins: K2BeforeDisplay -->

    function display($tpl = null)
    {
        $mainframe =& JFactory::getApplication();
        $user =& JFactory::getUser();
        $document =& JFactory::getDocument();
        $params =& JComponentHelper::getParams('com_k2');
        $limitstart = JRequest::getInt('limitstart', 0);
        $view = JRequest::getWord('view');
        $task = JRequest::getWord('task');
        $db =& JFactory::getDBO();
        $jnow =& JFactory::getDate();
        $now = $jnow->toMySQL();
        $nullDate = $db->getNullDate();
        $this->setLayout('item');
        //Add link
        if (K2HelperPermissions::canAddItem()) {
            $addLink = JRoute::_('index.php?option=com_k2&view=item&task=add&tmpl=component');
        }
        $this->assignRef('addLink', $addLink);
        //Get item
        $model =& $this->getModel();
        $item = $model->getData();
        //Prepare item
        if ($user->guest) {
            $cache =& JFactory::getCache('com_k2_extended');
            $hits = $item->hits;
            $item->hits = 0;
            $item = $cache->call(array('K2ModelItem', 'prepareItem'), $item, $view, $task);
            $item->hits = $hits;
        } else {
            $item = $model->prepareItem($item, $view, $task);
        }
        //Plugins
        $item = $model->execPlugins($item, $view, $task);
        //Access check
        if ($this->getLayout() == 'form') {
            JError::raiseError(403, JText::_("ALERTNOTAUTH"));
        }
        if ($item->access > $user->get('aid', 0) || $item->category->access > $user->get('aid', 0)) {
            JError::raiseError(403, JText::_("ALERTNOTAUTH"));
        }
        //Published check
        if (!$item->published || $item->trash) {
            JError::raiseError(404, JText::_("Item not found"));
        }
        if ($item->publish_up != $nullDate && $item->publish_up > $now) {
            JError::raiseError(404, JText::_("Item not found"));
        }
        if ($item->publish_down != $nullDate && $item->publish_down < $now) {
            JError::raiseError(404, JText::_("Item not found"));
        }
        if (!$item->category->published || $item->category->trash) {
            JError::raiseError(404, JText::_("Item not found"));
        }
        //Increase hits counter
        $model->hit($item->id);
        //Set default image
        K2HelperUtilities::setDefaultImage($item, $view);
        //Comments
        $item->event->K2CommentsCounter = '';
        $item->event->K2CommentsBlock = '';
        if ($item->params->get('itemComments')) {
            //Trigger comments events
            $dispatcher =& JDispatcher::getInstance();
            JPluginHelper::importPlugin('k2');
            $results = $dispatcher->trigger('onK2CommentsCounter', array(&$item, &$params, $limitstart));
            $item->event->K2CommentsCounter = trim(implode("\n", $results));
            $results = $dispatcher->trigger('onK2CommentsBlock', array(&$item, &$params, $limitstart));
            $item->event->K2CommentsBlock = trim(implode("\n", $results));
            //Load K2 native comments system only if there are no plugins overriding it
            if (empty($item->event->K2CommentsCounter) && empty($item->event->K2CommentsBlock)) {
                //Load reCAPTCHA script
                if (!JRequest::getInt('print') && ($item->params->get('comments') == '1' || $item->params->get('comments') == '2' && K2HelperPermissions::canAddComment($item->catid))) {
                    if ($item->params->get('recaptcha') && $user->guest) {
                        $document->addScript('http://api.recaptcha.net/js/recaptcha_ajax.js');
                        $js = 'function showRecaptcha(){
								    Recaptcha.create("' . $item->params->get('recaptcha_public_key') . '", "recaptcha", {
								        theme: "' . $item->params->get('recaptcha_theme', 'clean') . '"
								    });
								}
								window.addEvent(\'load\', function(){
									showRecaptcha();
								})';
                        $document->addScriptDeclaration($js);
                    }
                    //Auto complete some fields for registered users
                    if (!$user->guest) {
                        $js = "window.addEvent('domready', function(){\n\t\t\t\t\t\t\t\t\t\$('userName').setProperty('value','" . $user->name . "');\n\t\t\t\t\t\t\t\t\t\$('userName').setProperty('disabled','disabled');\n\t\t\t\t\t\t\t\t\t\$('commentEmail').setProperty('value','" . $user->email . "');\n\t\t\t\t\t\t\t\t\t\$('commentEmail').setProperty('disabled','disabled');\n\n\t\t\t\t\t\t\t\t})";
                        $document->addScriptDeclaration($js);
                    }
                }
                $limit = $params->get('commentsLimit');
                $comments = $model->getItemComments($item->id, $limitstart, $limit);
                $pattern = "@\\b(https?://)?(([0-9a-zA-Z_!~*'().&=+\$%-]+:)?[0-9a-zA-Z_!~*'().&=+\$%-]+\\@)?(([0-9]{1,3}\\.){3}[0-9]{1,3}|([0-9a-zA-Z_!~*'()-]+\\.)*([0-9a-zA-Z][0-9a-zA-Z-]{0,61})?[0-9a-zA-Z]\\.[a-zA-Z]{2,6})(:[0-9]{1,4})?((/[0-9a-zA-Z_!~*'().;?:\\@&=+\$,%#-]+)*/?)@";
                for ($i = 0; $i < sizeof($comments); $i++) {
                    $comments[$i]->commentText = nl2br($comments[$i]->commentText);
                    $comments[$i]->commentText = preg_replace($pattern, '<a target="_blank" rel="nofollow" href="\\0">\\0</a>', $comments[$i]->commentText);
                    $comments[$i]->userImage = K2HelperUtilities::getAvatar($comments[$i]->userID, $comments[$i]->commentEmail, $params->get('commenterImgWidth'));
                    if ($comments[$i]->userID > 0) {
                        $comments[$i]->userLink = K2HelperRoute::getUserRoute($comments[$i]->userID);
//.........这里部分代码省略.........

 function getRelatedItems($itemID, $tags, $params)
 {
     $mainframe =& JFactory::getApplication();
     $limit = $params->get('itemRelatedLimit', 10);
     $itemID = (int) $itemID;
     foreach ($tags as $tag) {
         $tagIDs[] = $tag->id;
     }
     JArrayHelper::toInteger($tagIDs);
     $sql = implode(',', $tagIDs);
     $user =& JFactory::getUser();
     $aid = (int) $user->get('aid');
     $db =& JFactory::getDBO();
     $jnow =& JFactory::getDate();
     $now = $jnow->toMySQL();
     $nullDate = $db->getNullDate();
     $query = "SELECT DISTINCT itemID FROM #__k2_tags_xref WHERE tagID IN ({$sql}) AND itemID!={$itemID}";
     $db->setQuery($query);
     $itemsIDs = $db->loadResultArray();
     if (!count($itemsIDs)) {
         return array();
     }
     $sql = implode(',', $itemsIDs);
     $query = "SELECT i.*, c.alias as categoryalias FROM #__k2_items as i \n\t\t\t\tLEFT JOIN #__k2_categories c ON c.id = i.catid \n\t\t\t\tWHERE i.published = 1 \n\t\t\t\tAND ( i.publish_up = " . $db->Quote($nullDate) . " OR i.publish_up <= " . $db->Quote($now) . " ) \n\t\t\t\tAND ( i.publish_down = " . $db->Quote($nullDate) . " OR i.publish_down >= " . $db->Quote($now) . " ) ";
     if (K2_JVERSION == '16') {
         $query .= " AND i.access IN(" . implode(',', $user->authorisedLevels()) . ") ";
         if ($mainframe->getLanguageFilter()) {
             $query .= " AND i.language IN(" . $db->Quote(JFactory::getLanguage()->getTag()) . ", " . $db->Quote('*') . ")";
         }
     } else {
         $query .= " AND i.access <= {$aid} ";
     }
     $query .= " AND i.trash = 0 \n\t\t\t\tAND c.published = 1 ";
     if (K2_JVERSION == '16') {
         $query .= " AND c.access IN(" . implode(',', $user->authorisedLevels()) . ") ";
         if ($mainframe->getLanguageFilter()) {
             $query .= " AND c.language IN(" . $db->Quote(JFactory::getLanguage()->getTag()) . ", " . $db->Quote('*') . ")";
         }
     } else {
         $query .= " AND c.access <= {$aid} ";
     }
     $query .= " AND c.trash = 0 \n\t\t\t\tAND (i.id) IN ({$sql}) \n\t\t\t\tORDER BY i.created DESC";
     $db->setQuery($query, 0, $limit);
     $rows = $db->loadObjectList();
     JModel::addIncludePath(JPATH_COMPONENT . DS . 'models');
     $model =& JModel::getInstance('Item', 'K2Model');
     for ($key = 0; $key < sizeof($rows); $key++) {
         $rows[$key] = $model->prepareItem($rows[$key], 'relatedByTag', '');
         $rows[$key] = $model->execPlugins($rows[$key], 'relatedByTag', '');
         K2HelperUtilities::setDefaultImage($rows[$key], 'relatedByTag', $params);
     }
     return $rows;
 }

//.........这里部分代码省略.........
             $items = $model->getData();
         } else {
             $items = $model->getData($ordering);
         }
     }
     //Prepare items
     $user = JFactory::getUser();
     $cache = JFactory::getCache('com_k2_extended');
     $model = JModelLegacy::getInstance('item', 'K2Model');
     $rows = array();
     for ($i = 0; $i < sizeof($items); $i++) {
         //Item group
         if ($task == "category" || $task == "") {
             $items[$i]->itemGroup = 'links';
             if ($i < $params->get('num_links') + $params->get('num_leading_items') + $params->get('num_primary_items') + $params->get('num_secondary_items')) {
                 $items[$i]->itemGroup = 'links';
             }
             if ($i < $params->get('num_secondary_items') + $params->get('num_leading_items') + $params->get('num_primary_items')) {
                 $items[$i]->itemGroup = 'secondary';
             }
             if ($i < $params->get('num_primary_items') + $params->get('num_leading_items')) {
                 $items[$i]->itemGroup = 'primary';
             }
             if ($i < $params->get('num_leading_items')) {
                 $items[$i]->itemGroup = 'leading';
             }
         } else {
             $items[$i]->itemGroup = '';
         }
         $itemParams = class_exists('JParameter') ? new JParameter($items[$i]->params) : new JRegistry($items[$i]->params);
         $itemParams->set($prefix . 'ItemIntroText', true);
         $itemParams->set($prefix . 'ItemFullText', true);
         $itemParams->set($prefix . 'ItemTags', true);
         $itemParams->set($prefix . 'ItemExtraFields', true);
         $itemParams->set($prefix . 'ItemAttachments', true);
         $itemParams->set($prefix . 'ItemRating', true);
         $itemParams->set($prefix . 'ItemAuthor', true);
         $itemParams->set($prefix . 'ItemImageGallery', true);
         $itemParams->set($prefix . 'ItemVideo', true);
         $itemParams->set($prefix . 'ItemImage', true);
         $items[$i]->params = $itemParams->toString();
         //Check if model should use cache for preparing item even if user is logged in
         if ($user->guest || $task == 'tag' || $task == 'search' || $task == 'date') {
             $cacheFlag = true;
         } else {
             $cacheFlag = true;
             if (K2HelperPermissions::canEditItem($items[$i]->created_by, $items[$i]->catid)) {
                 $cacheFlag = false;
             }
         }
         //Prepare item
         if ($cacheFlag) {
             $hits = $items[$i]->hits;
             $items[$i]->hits = 0;
             JTable::getInstance('K2Category', 'Table');
             $items[$i] = $cache->call(array($model, 'prepareItem'), $items[$i], $view, $task);
             $items[$i]->hits = $hits;
         } else {
             $items[$i] = $model->prepareItem($items[$i], $view, $task);
         }
         //Plugins
         $items[$i]->params->set('genericItemIntroText', $params->get('catItemIntroText'));
         $items[$i] = $model->execPlugins($items[$i], $view, $task);
         //Trigger comments counter event
         $dispatcher = JDispatcher::getInstance();
         JPluginHelper::importPlugin('k2');
         $results = $dispatcher->trigger('onK2CommentsCounter', array(&$items[$i], &$params, $limitstart));
         $items[$i]->event->K2CommentsCounter = trim(implode("\n", $results));
         // Set default image
         if ($task == 'user' || $task == 'tag' || $task == 'search' || $task == 'date') {
             $items[$i]->image = isset($items[$i]->imageGeneric) ? $items[$i]->imageGeneric : '';
         } else {
             if (!$moduleID) {
                 K2HelperUtilities::setDefaultImage($items[$i], $view, $params);
             }
         }
         $rows[] = $model->prepareJSONItem($items[$i]);
     }
     $response->items = $rows;
     // Prevent spammers from using the tag view
     if ($task == 'tag' && !count($response->items)) {
         $tag = JRequest::getString('tag');
         $db = JFactory::getDBO();
         $db->setQuery('SELECT id FROM #__k2_tags WHERE name = ' . $db->quote($tag));
         $tagID = $db->loadResult();
         if (!$tagID) {
             JError::raiseError(404, JText::_('K2_NOT_FOUND'));
             return false;
         }
     }
     // Output
     $json = json_encode($response);
     $callback = JRequest::getCmd('callback');
     if ($callback) {
         $document->setMimeEncoding('application/javascript');
         echo $callback . '(' . $json . ')';
     } else {
         echo $json;
     }
 }

                ?>
		  </h2>
			<?php 
            }
            ?>
			<?php 
        }
        ?>
	
		<?php 
    } else {
        ?>
	
			<?php 
        foreach ($block->items as $item) {
            K2HelperUtilities::setDefaultImage($item, 'latest', $this->params);
            ?>
			<?php 
            $this->item = $item;
            echo $this->loadTemplate('item');
            ?>
			<?php 
        }
        ?>
	
		<?php 
    }
    ?>
		</div>
		<!-- End Item list -->

 function display($tpl = null)
 {
     $mainframe = JFactory::getApplication();
     $user = JFactory::getUser();
     $document = JFactory::getDocument();
     if (K2_JVERSION == '15') {
         $document->setMimeEncoding('application/json');
         $document->setType('json');
     }
     $params = K2HelperUtilities::getParams('com_k2');
     $view = JRequest::getWord('view');
     $task = JRequest::getWord('task');
     $db = JFactory::getDBO();
     $jnow = JFactory::getDate();
     $now = K2_JVERSION == '15' ? $jnow->toMySQL() : $jnow->toSql();
     $nullDate = $db->getNullDate();
     // Get item
     $model = $this->getModel();
     $item = $model->getData();
     // Does the item exists?
     if (!is_object($item) || !$item->id) {
         JError::raiseError(404, JText::_('K2_ITEM_NOT_FOUND'));
     }
     // Override some params because we want to show all elements in JSON
     $itemParams = class_exists('JParameter') ? new JParameter($item->params) : new JRegistry($item->params);
     $itemParams->set('itemIntroText', true);
     $itemParams->set('itemFullText', true);
     $itemParams->set('itemTags', true);
     $itemParams->set('itemExtraFields', true);
     $itemParams->set('itemAttachments', true);
     $itemParams->set('itemRating', true);
     $itemParams->set('itemAuthor', true);
     $itemParams->set('itemImageGallery', true);
     $itemParams->set('itemVideo', true);
     $item->params = $itemParams->toString();
     // Prepare item
     $item = $model->prepareItem($item, $view, $task);
     // Plugins
     $item = $model->execPlugins($item, $view, $task);
     // Access check
     if (K2_JVERSION != '15') {
         if (!in_array($item->access, $user->getAuthorisedViewLevels()) || !in_array($item->category->access, $user->getAuthorisedViewLevels())) {
             JError::raiseError(403, JText::_('K2_ALERTNOTAUTH'));
         }
     } else {
         if ($item->access > $user->get('aid', 0) || $item->category->access > $user->get('aid', 0)) {
             JError::raiseError(403, JText::_('K2_ALERTNOTAUTH'));
         }
     }
     // Published check
     if (!$item->published || $item->trash) {
         JError::raiseError(404, JText::_('K2_ITEM_NOT_FOUND'));
     }
     if ($item->publish_up != $nullDate && $item->publish_up > $now) {
         JError::raiseError(404, JText::_('K2_ITEM_NOT_FOUND'));
     }
     if ($item->publish_down != $nullDate && $item->publish_down < $now) {
         JError::raiseError(404, JText::_('K2_ITEM_NOT_FOUND'));
     }
     if (!$item->category->published || $item->category->trash) {
         JError::raiseError(404, JText::_('K2_ITEM_NOT_FOUND'));
     }
     // Set default image
     K2HelperUtilities::setDefaultImage($item, $view);
     // Build the output object
     $row = $model->prepareJSONItem($item);
     // Output
     $response = new stdClass();
     // Site
     $response->site = new stdClass();
     $uri = JURI::getInstance();
     $response->site->url = $uri->toString(array('scheme', 'host', 'port'));
     $config = JFactory::getConfig();
     $response->site->name = K2_JVERSION == '30' ? $config->get('sitename') : $config->getValue('config.sitename');
     $response->item = $row;
     $json = json_encode($response);
     $callback = JRequest::getCmd('callback');
     if ($callback) {
         $document->setMimeEncoding('application/javascript');
         echo $callback . '(' . $json . ')';
     } else {
         echo $json;
     }
 }

 function display($tpl = null)
 {
     $mainframe = JFactory::getApplication();
     $user = JFactory::getUser();
     $document = JFactory::getDocument();
     $params = K2HelperUtilities::getParams('com_k2');
     $limitstart = JRequest::getInt('limitstart', 0);
     $view = JRequest::getWord('view');
     $task = JRequest::getWord('task');
     $db = JFactory::getDBO();
     $jnow = JFactory::getDate();
     $now = K2_JVERSION == '15' ? $jnow->toMySQL() : $jnow->toSql();
     $nullDate = $db->getNullDate();
     $this->setLayout('item');
     // Add link
     if (K2HelperPermissions::canAddItem()) {
         $addLink = JRoute::_('index.php?option=com_k2&view=item&task=add&tmpl=component');
     }
     $this->assignRef('addLink', $addLink);
     // Get item
     $model = $this->getModel();
     $item = $model->getData();
     $item->event = new stdClass();
     // Does the item exists?
     if (!is_object($item) || !$item->id) {
         JError::raiseError(404, JText::_('K2_ITEM_NOT_FOUND'));
     }
     // Prepare item
     $item = $model->prepareItem($item, $view, $task);
     // Plugins
     $item = $model->execPlugins($item, $view, $task);
     // User K2 plugins
     $item->event->K2UserDisplay = '';
     if (isset($item->author) && is_object($item->author->profile) && isset($item->author->profile->id)) {
         $dispatcher = JDispatcher::getInstance();
         JPluginHelper::importPlugin('k2');
         $results = $dispatcher->trigger('onK2UserDisplay', array(&$item->author->profile, &$params, $limitstart));
         $item->event->K2UserDisplay = trim(implode("\n", $results));
         $item->author->profile->url = htmlspecialchars($item->author->profile->url, ENT_QUOTES, 'UTF-8');
     }
     // Access check
     if ($this->getLayout() == 'form') {
         JError::raiseError(403, JText::_('K2_ALERTNOTAUTH'));
     }
     if (K2_JVERSION != '15') {
         if (!in_array($item->access, $user->getAuthorisedViewLevels()) || !in_array($item->category->access, $user->getAuthorisedViewLevels())) {
             if ($user->guest) {
                 $uri = JFactory::getURI();
                 $url = 'index.php?option=com_users&view=login&return=' . base64_encode($uri->toString());
                 $mainframe->enqueueMessage(JText::_('K2_YOU_NEED_TO_LOGIN_FIRST'), 'notice');
                 $mainframe->redirect(JRoute::_($url, false));
             } else {
                 JError::raiseError(403, JText::_('K2_ALERTNOTAUTH'));
                 return;
             }
         }
     } else {
         if ($item->access > $user->get('aid', 0) || $item->category->access > $user->get('aid', 0)) {
             if ($user->guest) {
                 $uri = JFactory::getURI();
                 $url = 'index.php?option=com_user&view=login&return=' . base64_encode($uri->toString());
                 $mainframe->enqueueMessage(JText::_('K2_YOU_NEED_TO_LOGIN_FIRST'), 'notice');
                 $mainframe->redirect(JRoute::_($url, false));
             } else {
                 JError::raiseError(403, JText::_('K2_ALERTNOTAUTH'));
                 return;
             }
         }
     }
     // Published check
     if (!$item->published || $item->trash) {
         JError::raiseError(404, JText::_('K2_ITEM_NOT_FOUND'));
     }
     if ($item->publish_up != $nullDate && $item->publish_up > $now) {
         JError::raiseError(404, JText::_('K2_ITEM_NOT_FOUND'));
     }
     if ($item->publish_down != $nullDate && $item->publish_down < $now) {
         JError::raiseError(404, JText::_('K2_ITEM_NOT_FOUND'));
     }
     if (!$item->category->published || $item->category->trash) {
         JError::raiseError(404, JText::_('K2_ITEM_NOT_FOUND'));
     }
     // Increase hits counter
     $model->hit($item->id);
     // Set default image
     K2HelperUtilities::setDefaultImage($item, $view);
     // Comments
     $item->event->K2CommentsCounter = '';
     $item->event->K2CommentsBlock = '';
     if ($item->params->get('itemComments')) {
         // Trigger comments events
         $dispatcher = JDispatcher::getInstance();
         JPluginHelper::importPlugin('k2');
         $results = $dispatcher->trigger('onK2CommentsCounter', array(&$item, &$params, $limitstart));
         $item->event->K2CommentsCounter = trim(implode("\n", $results));
         $results = $dispatcher->trigger('onK2CommentsBlock', array(&$item, &$params, $limitstart));
         $item->event->K2CommentsBlock = trim(implode("\n", $results));
         // Load K2 native comments system only if there are no plugins overriding it
         if (empty($item->event->K2CommentsCounter) && empty($item->event->K2CommentsBlock)) {
             $limit = $params->get('commentsLimit');
//.........这里部分代码省略.........

			<?php else: ?>
		  <h2 class="latestItemTitleList">
		  	<?php if ($item->params->get('latestItemTitleLinked')): ?>
				<a href="<?php echo $item->link; ?>">
		  		<?php echo $item->title; ?>
		  	</a>
		  	<?php else: ?>
		  	<?php echo $item->title; ?>
		  	<?php endif; ?>
		  </h2>
			<?php endif; ?>
			<?php endforeach; ?>
	
		<?php else: ?>
	
			<?php foreach ($block->items as $item): K2HelperUtilities::setDefaultImage($item, 'latest', $this->params); ?>
			<?php $this->item=$item; echo $this->loadTemplate('item'); ?>
			<?php endforeach; ?>
	
		<?php endif; ?>
		</div>
		<!-- End Item list -->

	</div>

	<?php if(($key+1)%($this->params->get('latestItemsCols'))==0): ?>
	<div class="clr"></div>
	<?php endif; ?>

	<?php endforeach; ?>
	<div class="clr"></div>

    function display($tpl = null)
    {
        $mainframe =& JFactory::getApplication();
        $user =& JFactory::getUser();
        $document =& JFactory::getDocument();
        $params =& K2HelperUtilities::getParams('com_k2');
        $limitstart = JRequest::getInt('limitstart', 0);
        $view = JRequest::getWord('view');
        $task = JRequest::getWord('task');
        $db =& JFactory::getDBO();
        $jnow =& JFactory::getDate();
        $now = $jnow->toMySQL();
        $nullDate = $db->getNullDate();
        $this->setLayout('item');
        // Add link
        if (K2HelperPermissions::canAddItem()) {
            $addLink = JRoute::_('index.php?option=com_k2&view=item&task=add&tmpl=component');
        }
        $this->assignRef('addLink', $addLink);
        // Get item
        $model =& $this->getModel();
        $item = $model->getData();
        // Does the item exists?
        if (!is_object($item) || !$item->id) {
            JError::raiseError(404, JText::_('K2_ITEM_NOT_FOUND'));
        }
        // Prepare item
        $item = $model->prepareItem($item, $view, $task);
        // Plugins
        $item = $model->execPlugins($item, $view, $task);
        // User K2 plugins
        $item->event->K2UserDisplay = '';
        if (isset($item->author) && is_object($item->author->profile) && isset($item->author->profile->id)) {
            $dispatcher =& JDispatcher::getInstance();
            JPluginHelper::importPlugin('k2');
            $results = $dispatcher->trigger('onK2UserDisplay', array(&$item->author->profile, &$params, $limitstart));
            $item->event->K2UserDisplay = trim(implode("\n", $results));
        }
        // Access check
        if ($this->getLayout() == 'form') {
            JError::raiseError(403, JText::_('K2_ALERTNOTAUTH'));
        }
        if (K2_JVERSION == '16') {
            if (!in_array($item->access, $user->authorisedLevels()) || !in_array($item->category->access, $user->authorisedLevels())) {
                JError::raiseError(403, JText::_('K2_ALERTNOTAUTH'));
            }
        } else {
            if ($item->access > $user->get('aid', 0) || $item->category->access > $user->get('aid', 0)) {
                JError::raiseError(403, JText::_('K2_ALERTNOTAUTH'));
            }
        }
        // Published check
        if (!$item->published || $item->trash) {
            JError::raiseError(404, JText::_('K2_ITEM_NOT_FOUND'));
        }
        if ($item->publish_up != $nullDate && $item->publish_up > $now) {
            JError::raiseError(404, JText::_('K2_ITEM_NOT_FOUND'));
        }
        if ($item->publish_down != $nullDate && $item->publish_down < $now) {
            JError::raiseError(404, JText::_('K2_ITEM_NOT_FOUND'));
        }
        if (!$item->category->published || $item->category->trash) {
            JError::raiseError(404, JText::_('K2_ITEM_NOT_FOUND'));
        }
        // Increase hits counter
        $model->hit($item->id);
        // Set default image
        K2HelperUtilities::setDefaultImage($item, $view);
        // Comments
        $item->event->K2CommentsCounter = '';
        $item->event->K2CommentsBlock = '';
        if ($item->params->get('itemComments')) {
            // Trigger comments events
            $dispatcher =& JDispatcher::getInstance();
            JPluginHelper::importPlugin('k2');
            $results = $dispatcher->trigger('onK2CommentsCounter', array(&$item, &$params, $limitstart));
            $item->event->K2CommentsCounter = trim(implode("\n", $results));
            $results = $dispatcher->trigger('onK2CommentsBlock', array(&$item, &$params, $limitstart));
            $item->event->K2CommentsBlock = trim(implode("\n", $results));
            // Load K2 native comments system only if there are no plugins overriding it
            if (empty($item->event->K2CommentsCounter) && empty($item->event->K2CommentsBlock)) {
                // Load reCAPTCHA script
                if (!JRequest::getInt('print') && ($item->params->get('comments') == '1' || $item->params->get('comments') == '2' && K2HelperPermissions::canAddComment($item->catid))) {
                    if ($item->params->get('recaptcha') && $user->guest) {
                        $document->addScript('http://api.recaptcha.net/js/recaptcha_ajax.js');
                        $js = '
						function showRecaptcha(){
							Recaptcha.create("' . $item->params->get('recaptcha_public_key') . '", "recaptcha", {
								theme: "' . $item->params->get('recaptcha_theme', 'clean') . '"
							});
						}
						$K2(window).load(function() {
							showRecaptcha();
						});
						';
                        $document->addScriptDeclaration($js);
                    }
                }
                // Check for inline comment moderation
                if (!$user->guest && $user->id == $item->created_by && $params->get('inlineCommentsModeration')) {
//.........这里部分代码省略.........

    function display($tpl = null)
    {
        $mainframe = JFactory::getApplication();
        $user = JFactory::getUser();
        $document = JFactory::getDocument();
        $params = K2HelperUtilities::getParams('com_k2');
        $limitstart = JRequest::getInt('limitstart', 0);
        $view = JRequest::getWord('view');
        $task = JRequest::getWord('task');
        $db = JFactory::getDBO();
        $jnow = JFactory::getDate();
        $now = K2_JVERSION == '15' ? $jnow->toMySQL() : $jnow->toSql();
        $nullDate = $db->getNullDate();
        $this->setLayout('item');
        // Add link
        if (K2HelperPermissions::canAddItem()) {
            $addLink = JRoute::_('index.php?option=com_k2&view=item&task=add&tmpl=component');
        }
        $this->assignRef('addLink', $addLink);
        // Get item
        $model = $this->getModel();
        $item = $model->getData();
        // Does the item exists?
        if (!is_object($item) || !$item->id) {
            JError::raiseError(404, JText::_('K2_ITEM_NOT_FOUND'));
        }
        // Prepare item
        $item = $model->prepareItem($item, $view, $task);
        // Plugins
        $item = $model->execPlugins($item, $view, $task);
        // User K2 plugins
        $item->event->K2UserDisplay = '';
        if (isset($item->author) && is_object($item->author->profile) && isset($item->author->profile->id)) {
            $dispatcher = JDispatcher::getInstance();
            JPluginHelper::importPlugin('k2');
            $results = $dispatcher->trigger('onK2UserDisplay', array(&$item->author->profile, &$params, $limitstart));
            $item->event->K2UserDisplay = trim(implode("\n", $results));
            $item->author->profile->url = htmlspecialchars($item->author->profile->url, ENT_QUOTES, 'UTF-8');
        }
        // Access check
        if ($this->getLayout() == 'form') {
            JError::raiseError(403, JText::_('K2_ALERTNOTAUTH'));
        }
        if (K2_JVERSION != '15') {
            if (!in_array($item->access, $user->getAuthorisedViewLevels()) || !in_array($item->category->access, $user->getAuthorisedViewLevels())) {
                if ($user->guest) {
                    $uri = JFactory::getURI();
                    $url = 'index.php?option=com_users&view=login&return=' . base64_encode($uri->toString());
                    $mainframe->enqueueMessage(JText::_('K2_YOU_NEED_TO_LOGIN_FIRST'), 'notice');
                    $mainframe->redirect(JRoute::_($url, false));
                } else {
                    JError::raiseError(403, JText::_('K2_ALERTNOTAUTH'));
                    return;
                }
            }
        } else {
            if ($item->access > $user->get('aid', 0) || $item->category->access > $user->get('aid', 0)) {
                if ($user->guest) {
                    $uri = JFactory::getURI();
                    $url = 'index.php?option=com_user&view=login&return=' . base64_encode($uri->toString());
                    $mainframe->enqueueMessage(JText::_('K2_YOU_NEED_TO_LOGIN_FIRST'), 'notice');
                    $mainframe->redirect(JRoute::_($url, false));
                } else {
                    JError::raiseError(403, JText::_('K2_ALERTNOTAUTH'));
                    return;
                }
            }
        }
        // Published check
        if (!$item->published || $item->trash) {
            JError::raiseError(404, JText::_('K2_ITEM_NOT_FOUND'));
        }
        if ($item->publish_up != $nullDate && $item->publish_up > $now) {
            JError::raiseError(404, JText::_('K2_ITEM_NOT_FOUND'));
        }
        if ($item->publish_down != $nullDate && $item->publish_down < $now) {
            JError::raiseError(404, JText::_('K2_ITEM_NOT_FOUND'));
        }
        if (!$item->category->published || $item->category->trash) {
            JError::raiseError(404, JText::_('K2_ITEM_NOT_FOUND'));
        }
        // Increase hits counter
        $model->hit($item->id);
        // Set default image
        K2HelperUtilities::setDefaultImage($item, $view);
        // Pass the old parameter to the view in order to avoid layout changes
        if ($params->get('antispam') == 'recaptcha' || $params->get('antispam') == 'both') {
            $params->set('recaptcha', true);
            $item->params->set('recaptcha', true);
        } else {
            $params->set('recaptcha', false);
            $item->params->set('recaptcha', false);
        }
        // Comments
        $item->event->K2CommentsCounter = '';
        $item->event->K2CommentsBlock = '';
        if ($item->params->get('itemComments')) {
            // Trigger comments events
            $dispatcher = JDispatcher::getInstance();
            JPluginHelper::importPlugin('k2');
//.........这里部分代码省略.........