365 lines
8.6 KiB
PHP
365 lines
8.6 KiB
PHP
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<?php
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/**
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* @version $Id: utilities.php 1977 2013-05-15 11:39:46Z lefteris.kavadas $
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* @package K2
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* @author JoomlaWorks http://www.joomlaworks.net
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* @copyright Copyright (c) 2006 - 2013 JoomlaWorks Ltd. All rights reserved.
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* @license GNU/GPL license: http://www.gnu.org/copyleft/gpl.html
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*/
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// no direct access
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defined('_JEXEC') or die ;
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class K2HelperUtilities
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{
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// Get user avatar
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public static function getAvatar($userID, $email = NULL, $width = 50)
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{
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jimport('joomla.filesystem.folder');
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jimport('joomla.application.component.model');
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$mainframe = JFactory::getApplication();
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$params = K2HelperUtilities::getParams('com_k2');
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if (K2_CB && $userID != 'alias')
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{
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$cbUser = CBuser::getInstance((int)$userID);
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if (is_object($cbUser))
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{
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$avatar = $cbUser->getField('avatar', null, 'csv', 'none', 'profile');
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return $avatar;
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}
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}
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// Check for placeholder overrides
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if (JFile::exists(JPATH_SITE.DS.'templates'.DS.$mainframe->getTemplate().DS.'images'.DS.'placeholder'.DS.'user.png'))
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{
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$avatarPath = 'templates/'.$mainframe->getTemplate().'/images/placeholder/user.png';
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}
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else
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{
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$avatarPath = 'components/com_k2/images/placeholder/user.png';
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}
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// Continue with default K2 avatar determination
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if ($userID == 'alias')
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{
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$avatar = JURI::root(true).'/'.$avatarPath;
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}
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else if ($userID == 0)
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{
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if ($params->get('gravatar') && !is_null($email))
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{
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$avatar = '//www.gravatar.com/avatar/'.md5($email).'?s='.$width.'&default='.urlencode(JURI::root().$avatarPath);
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}
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else
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{
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$avatar = JURI::root(true).'/'.$avatarPath;
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}
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}
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else if (is_numeric($userID) && $userID > 0)
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{
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K2Model::addIncludePath(JPATH_SITE.DS.'components'.DS.'com_k2'.DS.'models');
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$model = K2Model::getInstance('Item', 'K2Model');
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$profile = $model->getUserProfile($userID);
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$avatar = (is_null($profile)) ? '' : $profile->image;
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if (empty($avatar))
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{
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if ($params->get('gravatar') && !is_null($email))
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{
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$avatar = '//www.gravatar.com/avatar/'.md5($email).'?s='.$width.'&default='.urlencode(JURI::root().$avatarPath);
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}
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else
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{
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$avatar = JURI::root(true).'/'.$avatarPath;
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}
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}
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else
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{
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$avatar = JURI::root(true).'/media/k2/users/'.$avatar;
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}
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}
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if (!$params->get('userImageDefault') && $avatar == JURI::root(true).'/'.$avatarPath)
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{
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$avatar = '';
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}
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return $avatar;
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}
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public static function getCategoryImage($image, $params)
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{
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jimport('joomla.filesystem.file');
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$mainframe = JFactory::getApplication();
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$categoryImage = NULL;
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if (!empty($image))
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{
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$categoryImage = JURI::root(true).'/media/k2/categories/'.$image;
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}
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else
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{
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if ($params->get('catImageDefault'))
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{
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if (JFile::exists(JPATH_SITE.DS.'templates'.DS.$mainframe->getTemplate().DS.'images'.DS.'placeholder'.DS.'category.png'))
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{
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$categoryImage = JURI::root(true).'/templates/'.$mainframe->getTemplate().'/images/placeholder/category.png';
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}
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else
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{
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$categoryImage = JURI::root(true).'/components/com_k2/images/placeholder/category.png';
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}
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}
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}
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return $categoryImage;
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}
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// Word limit
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public static function wordLimit($str, $limit = 100, $end_char = '…')
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{
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if (JString::trim($str) == '')
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return $str;
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// always strip tags for text
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$str = strip_tags($str);
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$find = array("/\r|\n/u", "/\t/u", "/\s\s+/u");
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$replace = array(" ", " ", " ");
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$str = preg_replace($find, $replace, $str);
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preg_match('/\s*(?:\S*\s*){'.(int)$limit.'}/u', $str, $matches);
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if (JString::strlen($matches[0]) == JString::strlen($str))
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$end_char = '';
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return JString::rtrim($matches[0]).$end_char;
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}
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// Character limit
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public static function characterLimit($str, $limit = 150, $end_char = '...')
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{
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if (JString::trim($str) == '')
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return $str;
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// always strip tags for text
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$str = strip_tags(JString::trim($str));
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$find = array("/\r|\n/u", "/\t/u", "/\s\s+/u");
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$replace = array(" ", " ", " ");
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$str = preg_replace($find, $replace, $str);
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if (JString::strlen($str) > $limit)
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{
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$str = JString::substr($str, 0, $limit);
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return JString::rtrim($str).$end_char;
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}
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else
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{
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return $str;
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}
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}
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// Cleanup HTML entities
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public static function cleanHtml($text)
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{
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return htmlentities($text, ENT_QUOTES, 'UTF-8');
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}
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// Gender
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public static function writtenBy($gender)
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{
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if (is_null($gender))
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return JText::_('K2_WRITTEN_BY');
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if ($gender == 'm')
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return JText::_('K2_WRITTEN_BY_MALE');
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if ($gender == 'f')
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return JText::_('K2_WRITTEN_BY_FEMALE');
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}
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public static function setDefaultImage(&$item, $view, $params = NULL)
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{
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if ($view == 'item')
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{
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$image = 'image'.$item->params->get('itemImgSize');
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$item->image = $item->$image;
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switch ($item->params->get('itemImgSize'))
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{
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case 'XSmall' :
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$item->imageWidth = $item->params->get('itemImageXS');
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break;
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case 'Small' :
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$item->imageWidth = $item->params->get('itemImageS');
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break;
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case 'Medium' :
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$item->imageWidth = $item->params->get('itemImageM');
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break;
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case 'Large' :
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$item->imageWidth = $item->params->get('itemImageL');
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break;
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case 'XLarge' :
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$item->imageWidth = $item->params->get('itemImageXL');
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break;
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}
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}
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if ($view == 'itemlist')
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{
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$image = 'image'.$params->get($item->itemGroup.'ImgSize');
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$item->image = isset($item->$image) ? $item->$image : '';
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switch ($params->get($item->itemGroup.'ImgSize'))
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{
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case 'XSmall' :
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$item->imageWidth = $item->params->get('itemImageXS');
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break;
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case 'Small' :
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$item->imageWidth = $item->params->get('itemImageS');
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break;
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case 'Medium' :
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$item->imageWidth = $item->params->get('itemImageM');
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break;
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case 'Large' :
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$item->imageWidth = $item->params->get('itemImageL');
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break;
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case 'XLarge' :
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$item->imageWidth = $item->params->get('itemImageXL');
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break;
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}
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}
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if ($view == 'latest')
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{
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$image = 'image'.$params->get('latestItemImageSize');
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$item->image = $item->$image;
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switch ($params->get('latestItemImageSize'))
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{
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case 'XSmall' :
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$item->imageWidth = $item->params->get('itemImageXS');
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break;
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case 'Small' :
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$item->imageWidth = $item->params->get('itemImageS');
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break;
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case 'Medium' :
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$item->imageWidth = $item->params->get('itemImageM');
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break;
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case 'Large' :
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$item->imageWidth = $item->params->get('itemImageL');
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break;
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case 'XLarge' :
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$item->imageWidth = $item->params->get('itemImageXL');
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break;
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}
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}
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if ($view == 'relatedByTag' && $params->get('itemRelatedImageSize'))
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{
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$image = 'image'.$params->get('itemRelatedImageSize');
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$item->image = $item->$image;
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switch ($params->get('itemRelatedImageSize'))
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{
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case 'XSmall' :
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$item->imageWidth = $item->params->get('itemImageXS');
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break;
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case 'Small' :
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$item->imageWidth = $item->params->get('itemImageS');
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break;
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case 'Medium' :
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$item->imageWidth = $item->params->get('itemImageM');
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break;
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case 'Large' :
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$item->imageWidth = $item->params->get('itemImageL');
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break;
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case 'XLarge' :
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$item->imageWidth = $item->params->get('itemImageXL');
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break;
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}
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}
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}
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public static function getParams($option)
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{
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if (K2_JVERSION != '15')
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{
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$application = JFactory::getApplication();
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if ($application->isSite())
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{
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$params = $application->getParams($option);
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}
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else
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{
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$params = JComponentHelper::getParams($option);
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}
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}
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else
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{
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$params = JComponentHelper::getParams($option);
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}
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return $params;
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}
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public static function cleanTags($string, $allowed_tags)
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{
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$allowed_htmltags = array();
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foreach ($allowed_tags as $tag)
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{
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$allowed_htmltags[] .= "<".$tag.">";
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}
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$allowed_htmltags = implode("", $allowed_htmltags);
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$string = strip_tags($string, $allowed_htmltags);
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return $string;
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}
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// Clean HTML Tag Attributes
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// e.g. cleanupAttributes($string,"img,hr,h1,h2,h3,h4","style,width,height,hspace,vspace,border,class,id");
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public static function cleanAttributes($string, $tag_array, $attr_array)
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{
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$attr = implode("|", $attr_array);
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foreach ($tag_array as $tag)
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{
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preg_match_all("#<($tag) .+?>#", $string, $matches, PREG_PATTERN_ORDER);
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foreach ($matches[0] as $match)
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{
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preg_match_all('/('.$attr.')=([\\"\\\']).+?([\\"\\\'])/', $match, $matchesAttr, PREG_PATTERN_ORDER);
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foreach ($matchesAttr[0] as $attrToClean)
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{
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$string = str_replace($attrToClean, '', $string);
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$string = preg_replace('| +|', ' ', $string);
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$string = str_replace(' >', '>', $string);
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}
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}
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}
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return $string;
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}
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} // End Class
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