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administrator/components/com_jem/models/imagehandler.php

@@ -0,0 +1,221 @@
+<?php
+/**
+ * @package    JEM
+ * @copyright  (C) 2013-2024 joomlaeventmanager.net
+ * @copyright  (C) 2005-2009 Christoph Lukes
+ * @license    https://www.gnu.org/licenses/gpl-3.0 GNU/GPL
+ */
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Factory;
+use Joomla\CMS\Filesystem\Folder;
+use Joomla\CMS\Filesystem\File;
+use Joomla\CMS\Pagination\Pagination;
+use Joomla\CMS\Object\CMSObject;
+use Joomla\CMS\MVC\Model\BaseDatabaseModel;
+use Joomla\CMS\Filesystem\Path;
+
+/**
+ * JEM Component Imagehandler Model
+ *
+ * @package JEM
+ */
+class JemModelImagehandler extends BaseDatabaseModel
+{
+	/**
+	 * Array to cache list of images
+	 *
+	 * @var array
+	 */
+	protected $_list = null;
+
+	/**
+	 * Pagination object
+	 *
+	 * @var object
+	 */
+	protected $_pagination = null;
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+
+		$app        = Factory::getApplication();
+		$option     = $app->input->getString('option', 'com_jem');
+		$task       = $app->input->getVar('task', '');
+		$limit      = $app->getUserStateFromRequest($option.'imageselect'.$task.'limit', 'limit', $app->get('list_limit'), 'int');
+		$limitstart = $app->getUserStateFromRequest($option.'imageselect'.$task.'limitstart', 'limitstart', 0, 'int');
+		$limitstart = $limit ? (int)(floor($limitstart / $limit) * $limit) : 0;
+		$search     = $app->getUserStateFromRequest($option.'.filter_search', 'filter_search', '', 'string');
+		$search     = trim(\Joomla\String\StringHelper::strtolower($search));
+
+		$this->setState('limit', $limit);
+		$this->setState('limitstart', $limitstart);
+		$this->setState('search', $search);
+	}
+
+	function getState($property = null, $default = null)
+	{
+		static $set = false;
+
+		if (!$set) {
+			$folder = Factory::getApplication()->input->get('folder', '');
+			$this->setState('folder', $folder);
+
+			$set = true;
+		}
+
+		return parent::getState($property);
+	}
+
+	/**
+	 * Build imagelist
+	 *
+	 * @return array $list The imagefiles from a directory to display
+	 */
+	public function getImages()
+	{
+		$list = $this->getList();
+
+		$listimg = array();
+
+		$s = $this->getState('limitstart');
+		$l = $this->getState('limit');
+		$t = $this->getState('total');
+
+		if ($t < ($s + $l)) {
+			$l = $t - $s;
+		}
+
+		for ($i = $s; $i < $s + $l; $i++)
+		{
+			$list[$i]->size = $this->_parseSize(filesize($list[$i]->path));
+
+			$info = getimagesize($list[$i]->path);
+			if ($info === false) {
+				continue; // skip file on error
+			}
+
+			$list[$i]->width  = $info[0];
+			$list[$i]->height = $info[1];
+			//$list[$i]->type = $info[2];
+			//$list[$i]->mime = $info['mime'];
+
+			if (($info[0] > 60) || ($info[1] > 60)) {
+				$dimensions = $this->_imageResize($info[0], $info[1], 60);
+				$list[$i]->width_60  = $dimensions[0];
+				$list[$i]->height_60 = $dimensions[1];
+			} else {
+				$list[$i]->width_60  = $list[$i]->width;
+				$list[$i]->height_60 = $list[$i]->height;
+			}
+
+			$listimg[] = $list[$i];
+		}
+
+		return $listimg;
+	}
+
+	/**
+	 * Build imagelist
+	 *
+	 * @return array $list The imagefiles from a directory
+	 */
+	public function getList()
+	{
+		// Only process the list once per request
+		if (!is_array($this->_list))
+		{
+			// Get folder from request
+			$folder = $this->getState('folder');
+			$search = $this->getState('search');
+
+			// Initialize variables
+			$basePath = JPATH_SITE.'/images/jem/'.$folder;
+
+			// Get the list of files and folders from the given folder
+			$fileList = Folder::files($basePath);
+
+			// Iterate over the files if they exist
+			if ($fileList !== false) {
+				$this->_list = array();
+				foreach ($fileList as $file) {
+					if (is_file($basePath.'/'.$file) && substr($file, 0, 1) != '.') {
+						if (empty($search) || stristr($file, $search)) {
+							$tmp = new CMSObject();
+							$tmp->name = $file;
+							$tmp->path = Path::clean($basePath.'/'.$file);
+
+							$this->_list[] = $tmp;
+						}
+					}
+				}
+			}
+
+			$this->setState('total', is_array($this->_list) ? count($this->_list) : 0);
+		}
+
+		return $this->_list;
+	}
+
+	/**
+	 * Method to get a pagination object for the images
+	 *
+	 * @access public
+	 * @return integer
+	 */
+	public function getPagination()
+	{
+		if (empty($this->_pagination)) {
+			$this->_pagination = new Pagination($this->getState('total'), $this->getState('limitstart'), $this->getState('limit'));
+		}
+
+		return $this->_pagination;
+	}
+
+	/**
+	 * Build display size
+	 *
+	 * @return array width and height
+	 */
+	protected function _imageResize($width, $height, $target)
+	{
+		if (($width > 0) && ($height > 0)) {
+			//takes the larger size of the width and height and applies the
+			//formula accordingly...this is so this script will work
+			//dynamically with any size image
+			if ($width > $height) {
+				$percentage = ($target / $width);
+			} else {
+				$percentage = ($target / $height);
+			}
+
+			//gets the new value and applies the percentage, then rounds the value
+			$width  = round($width  * $percentage);
+			$height = round($height * $percentage);
+		}
+
+		return array($width, $height);
+	}
+
+	/**
+	 * Return human readable size info
+	 *
+	 * @return string size of image
+	 */
+	protected function _parseSize($size)
+	{
+		if ($size < 1024) {
+			return $size . ' Bytes';
+		} elseif ($size < (1024 * 1024)) {
+			return sprintf('%01.2f', $size / 1024.0) . ' kB';
+		} else {
+			return sprintf('%01.2f', $size / (1024.0 * 1024)) . ' MB';
+		}
+	}
+}
+?>