Your IP : 10.10.0.253
<?php
/**
* @author Tassos Marinos <info@tassos.gr>
* @link https://www.tassos.gr
* @copyright Copyright © 2023 Tassos All Rights Reserved
* @license GNU GPLv3 <http://www.gnu.org/licenses/gpl.html> or later
*/
namespace NRFramework\Widgets;
defined('_JEXEC') or die;
use Joomla\Registry\Registry;
use NRFramework\Helpers\Widgets\GalleryManager as GalleryManagerHelper;
use NRFramework\Image;
/**
* Gallery Manager
*/
class GalleryManager extends Widget
{
/**
* Widget default options
*
* @var array
*/
protected $widget_options = [
// The input name
'name' => '',
// The field ID associated to this Gallery Manager, used to retrieve the field settings on AJAX actions
'field_id' => null,
// The item ID associated to this Gallery Manager, used to retrieve the field settings on AJAX actions
'item_id' => null,
/**
* Max file size in MB.
*
* Defults to 0 (no limit).
*/
'max_file_size' => 0,
/**
* How many files we can upload.
*
* Defaults to 0 (no limit).
*/
'limit_files' => 0,
// Allowed upload file types
'allowed_file_types' => '.jpg, .jpeg, .png, .gif, .webp, image/webp',
/**
* Original Image
*/
// Should the original uploaded image be resized?
'original_image_resize' => false,
// Main image width
'original_image_resize_width' => 1920,
/**
* Thumbnails
*/
// Thumbnails width
'thumb_width' => 300,
// Thumbnails height
'thumb_height' => null,
// Thumbnails resize method (crop, stretch, fit)
'thumb_resize_method' => 'crop'
];
public function __construct($options = [])
{
parent::__construct($options);
// Set gallery items
$this->options['gallery_items'] = is_array($this->options['value']) ? $this->options['value'] : [];
// Set css class for readonly state
if ($this->options['readonly'])
{
$this->options['css_class'] .= ' readonly';
}
// Adds a css class when the gallery contains at least one item
if (count($this->options['gallery_items']))
{
$this->options['css_class'] .= ' dz-has-items';
}
// Load translation strings
\JText::script('NR_GALLERY_MANAGER_CONFIRM_REGENERATE_IMAGES');
\JText::script('NR_GALLERY_MANAGER_CONFIRM_DELETE_ALL_SELECTED');
\JText::script('NR_GALLERY_MANAGER_CONFIRM_DELETE_ALL');
\JText::script('NR_GALLERY_MANAGER_CONFIRM_DELETE');
\JText::script('NR_GALLERY_MANAGER_FILE_MISSING');
\JText::script('NR_GALLERY_MANAGER_REACHED_FILES_LIMIT');
}
/**
* The upload task called by the AJAX hanler
*
* @return void
*/
protected function ajax_upload()
{
$input = \JFactory::getApplication()->input;
// Make sure we have a valid field id
if (!$field_id = $input->getInt('field_id'))
{
$this->exitWithMessage('NR_GALLERY_MANAGER_FIELD_ID_ERROR');
}
// Make sure we have a valid file passed
if (!$file = $input->files->get('file'))
{
$this->exitWithMessage('NR_GALLERY_MANAGER_ERROR_INVALID_FILE');
}
if (!$field_data = \NRFramework\Helpers\CustomField::getData($field_id))
{
$this->exitWithMessage('NR_GALLERY_MANAGER_INVALID_FIELD_DATA');
}
// get the media uploader file data, values are passed when we upload a file using the Media Uploader
$media_uploader_file_data = [
'is_media_uploader_file' => $input->get('media_uploader', false) == '1',
'media_uploader_filename' => $input->getString('media_uploader_filename', '')
];
// In case we allow multiple uploads the file parameter is a 2 levels array.
$first_property = array_pop($file);
if (is_array($first_property))
{
$file = $first_property;
}
$style = $field_data->get('style', 'masonry');
$uploadSettings = [
'allow_unsafe' => false,
'allowed_types' => $field_data->get('allowed_file_types', $this->widget_options['allowed_file_types']),
'style' => $style
];
// Add watermark
if ($field_data->get('watermark.type', 'disabled') !== 'disabled')
{
$uploadSettings['watermark'] = (array) $field_data->get('watermark', []);
$uploadSettings['watermark']['image'] = !empty($uploadSettings['watermark']['image']) ? explode('#', JPATH_SITE . DIRECTORY_SEPARATOR . $uploadSettings['watermark']['image'])[0] : null;
$uploadSettings['watermark']['apply_on_thumbnails'] = $field_data->get('watermark.apply_on_thumbnails', false) === '1';
}
$resize_method = $field_data->get('resize_method', 'crop');
$thumb_height = null;
switch ($style)
{
case 'grid':
$thumb_height = $field_data->get('thumb_height', null);
break;
case 'slideshow':
$thumb_height = $field_data->get('slideshow_thumb_height', null);
$resize_method = $field_data->get('slideshow_resize_method', 'crop');
break;
case 'zjustified':
$thumb_height = $field_data->get('justified_item_height', 200);
break;
}
// resize image settings
$resizeSettings = [
'thumb_height' => $thumb_height,
'thumb_resize_method' => $resize_method,
'original_image_resize' => $style === 'slideshow' ? true : $field_data->get('original_image_resize', false),
'original_image_resize_width' => $field_data->get('original_image_resize_width', 1920),
'original_image_resize_height' => $style === 'slideshow' ? $field_data->get('original_image_resize_height', 1920) : null
];
if (in_array($style, ['grid', 'masonry', 'slideshow']))
{
$resizeSettings['thumb_width'] = $style === 'slideshow' ? $field_data->get('slideshow_thumb_width', 300) : $field_data->get('thumb_width', 300);
}
// Upload the file and resize the images as required
if (!$uploaded_filenames = GalleryManagerHelper::upload($file, $uploadSettings, $media_uploader_file_data, $resizeSettings))
{
$this->exitWithMessage('NR_GALLERY_MANAGER_ERROR_CANNOT_UPLOAD_FILE');
}
echo json_encode([
'source' => $uploaded_filenames['source'],
'original' => $uploaded_filenames['original'],
'thumbnail' => $uploaded_filenames['thumbnail'],
'is_media_uploader_file' => $media_uploader_file_data['is_media_uploader_file']
]);
}
/**
* The delete task called by the AJAX hanlder
*
* @return void
*/
protected function ajax_delete()
{
$input = \JFactory::getApplication()->input;
// Get source image path.
$source = $input->getString('source');
// Make sure we have a valid file passed
if (!$original = $input->getString('original'))
{
$this->exitWithMessage('NR_GALLERY_MANAGER_ERROR_INVALID_FILE');
}
// Make sure we have a valid file passed
if (!$thumbnail = $input->getString('thumbnail'))
{
$this->exitWithMessage('NR_GALLERY_MANAGER_ERROR_INVALID_FILE');
}
// Make sure we have a valid field id
if (!$field_id = $input->getInt('field_id'))
{
$this->exitWithMessage('NR_GALLERY_MANAGER_FIELD_ID_ERROR');
}
if (!$field_data = \NRFramework\Helpers\CustomField::getData($field_id))
{
$this->exitWithMessage('NR_GALLERY_MANAGER_INVALID_FIELD_DATA');
}
// Delete the source, original, and thumbnail file
$deleted = GalleryManagerHelper::deleteFile($source, $original, $thumbnail);
echo json_encode(['success' => $deleted]);
}
/**
* This task allows us to regenerate the images.
*
* @return void
*/
protected function ajax_regenerate_images()
{
$input = \JFactory::getApplication()->input;
// Make sure we have a valid field id
if (!$field_id = $input->getInt('field_id'))
{
echo json_encode(['success' => false, 'message' => \JText::_('NR_GALLERY_MANAGER_FIELD_ID_ERROR')]);
die();
}
// Make sure we have a valid item id
if (!$item_id = $input->getInt('item_id'))
{
echo json_encode(['success' => false, 'message' => \JText::_('NR_GALLERY_MANAGER_ITEM_ID_ERROR')]);
die();
}
if (!$field_data = \NRFramework\Helpers\CustomField::getData($field_id))
{
echo json_encode(['success' => false, 'message' => \JText::_('NR_GALLERY_MANAGER_INVALID_FIELD_DATA')]);
die();
}
$style = $field_data->get('style', 'masonry');
$resize_method = $field_data->get('resize_method', 'crop');
$thumb_height = null;
switch ($style)
{
case 'grid':
$thumb_height = $field_data->get('thumb_height', null);
break;
case 'slideshow':
$thumb_height = $field_data->get('slideshow_thumb_height', null);
$resize_method = $field_data->get('slideshow_resize_method', 'crop');
break;
case 'zjustified':
$thumb_height = $field_data->get('justified_item_height', 200);
break;
}
$resizeSettings = [
'thumb_height' => $thumb_height,
'thumb_resize_method' => $resize_method
];
if (in_array($style, ['grid', 'masonry', 'slideshow']))
{
$resizeSettings['thumb_width'] = $style === 'slideshow' ? $field_data->get('slideshow_thumb_width', 300) : $field_data->get('thumb_width', 300);
}
$watermarkSettings = [];
// Add watermark
if ($field_data->get('watermark.type', 'disabled') !== 'disabled')
{
$watermarkSettings = (array) $field_data->get('watermark', []);
$watermarkSettings['image'] = !empty($watermarkSettings['image']) ? explode('#', JPATH_SITE . DIRECTORY_SEPARATOR . $watermarkSettings['image'])[0] : null;
$watermarkSettings['apply_on_thumbnails'] = $field_data->get('watermark.apply_on_thumbnails', false) === '1';
}
$watermarkEnabled = isset($watermarkSettings['type']) && $watermarkSettings['type'] !== 'disabled';
$thumbnailWatermarkEnabled = isset($watermarkSettings['type']) && $watermarkSettings['type'] !== 'disabled' && $watermarkSettings['apply_on_thumbnails'];
$items = $input->get('items', null, 'ARRAY');
$items = json_decode($items[0], true);
$ds = DIRECTORY_SEPARATOR;
// Parse all images
if (is_array($items) && count($items))
{
foreach ($items as &$item)
{
$sourceImage = isset($item['source']) ? $item['source'] : '';
$originalImage = isset($item['original']) ? $item['original'] : '';
$thumbnailImage = isset($item['thumbnail']) ? $item['thumbnail'] : '';
$thumbnailImagePath = implode($ds, [JPATH_ROOT, $thumbnailImage]);
$sourceImagePath = $sourceImage ? implode($ds, [JPATH_ROOT, $sourceImage]) : false;
$sourceImageExists = \JFile::exists($sourceImagePath);
$originalImagePath = implode($ds, [JPATH_ROOT, $originalImage]);
$originalImageExists = \JFile::exists($originalImagePath);
// If source image does not exist, watermark is enabled, create it by clothing the original image
if (!$sourceImageExists && $watermarkEnabled && $originalImage && \JFile::exists($originalImagePath))
{
// Create source from original image
$sourceImagePath = \NRFramework\File::copy($originalImagePath, $originalImagePath, false, true);
$sourceImageExists = true;
// Modify the database entry and add "source" image to item
// We just need the relative path to file
$_sourceImagePath = str_replace(JPATH_ROOT . DIRECTORY_SEPARATOR, '', $sourceImagePath);
$item['source'] = $_sourceImagePath;
$_originalImagePath = str_replace(JPATH_ROOT . DIRECTORY_SEPARATOR, '', $originalImagePath);
GalleryManagerHelper::setItemFieldSource($item_id, $field_id, $_sourceImagePath, $_originalImagePath);
}
if (!$originalImageExists)
{
continue;
}
if (!$sourceImageExists)
{
$sourceImagePath = $originalImagePath;
}
/**
* Handle original image.
*/
$resize_original_image = $style === 'slideshow' ? true : $field_data->get('original_image_resize', false);
$originalImageSourcePath = $originalImagePath;
$original_image_resize_width = $field_data->get('original_image_resize_width', 1920);
$original_image_resize_height = $style === 'slideshow' ? $field_data->get('original_image_resize_height', 1920) : null;
// Generate original image by using the source image
if ($style === 'slideshow')
{
$originalImagePath = Image::resize($sourceImagePath, $original_image_resize_width, $original_image_resize_height, 70, 'crop', $originalImagePath);
}
else
{
$originalImagePath = Image::resizeAndKeepAspectRatio($sourceImagePath, $original_image_resize_width, 70, $originalImagePath);
}
$originalImageSourcePath = $originalImagePath;
if ($watermarkEnabled)
{
$payload = array_merge($watermarkSettings, ['source' => $originalImageSourcePath, 'destination' => $originalImagePath]);
Image::applyWatermark($payload);
}
/**
* Handle thumbnail image.
*/
// Generate thumbnail image by using the source image
GalleryManagerHelper::generateThumbnail($sourceImagePath, $thumbnailImagePath, $resizeSettings, null, false);
// Apply watermark to thumbnail image
if ($watermarkEnabled && $thumbnailWatermarkEnabled)
{
$payload = array_merge($watermarkSettings, ['source' => $thumbnailImagePath]);
Image::applyWatermark($payload);
}
}
}
echo json_encode(['success' => true, 'message' => \JText::_('NR_GALLERY_MANAGER_IMAGES_REGENERATED'), 'items' => $items]);
}
/**
* Exits the page with given message.
*
* @param string $translation_string
*
* @return void
*/
private function exitWithMessage($translation_string)
{
http_response_code('500');
die(\JText::_($translation_string));
}
}