ModulePlugin
Image GalleryFullscreen Image Gallery
Fullscreen Image Gallery Extension for Joomla
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Works with
Joomla 4 Joomla 5 Joomla 6
Changelog — Fullscreen Image Gallery
Version 2.5: 18 October 2026
- Runs on Joomla 5 and 6 with Behaviour Backward Compatibility disabled
- Editor button uses a service provider
- Editor button styles and script load through the Web Asset Manager
Version 2.4: 15 July 2026
Added:
- True OS fullscreen lightbox (Fullscreen API) with edge-to-edge viewing
- Vanilla JavaScript lightbox (no jQuery) with keyboard, swipe, play/pause, download, and share
- Social share menu: copy link, WhatsApp, X, and Facebook
- Editor button plugin to insert
{fullscreen}shortcodes from the article toolbar - Video slides: MP4, YouTube, and Vimeo (module slides + shortcode)
- Video demo variant with mixed YouTube / Vimeo / MP4 / still photos
- Folder-mode categories from filename prefix (
Nature__lake.jpg) or subfolders - Auto captions from filenames in folder mode
- Category filter pills on the grid
- Load more / initial count for large galleries
- Responsive
srcsetthumbnails and next/prev image prefetch - Pinch-zoom on touch devices (plus scroll zoom and pan)
- Slideshow progress bar
- Lightbox fit modes: contain or cover
- Deep-link hash to open/share a specific slide
- Optional filmstrip inside the lightbox
- Focus trap and screen-reader announcements
- Schema.org ImageGallery JSON-LD option
- Optional right-click / drag protect
- Themes: Modern 2026, Minimal, Dark with accent colour
- Aspect-ratio lock, loading skeletons, hover zoom
- Package installs module + content plugin + editors-xtd together
Changed:
- Rebuilt module and content plugin for Joomla 4 / 5 / 6 services architecture
- Modern CSS grid and masonry layout controls (columns, gap, width)
- Improved share UX with toast confirmation and deep-link aware copy
- Shortcodes skip examples inside
<pre>/<code>blocks - Install package layout uses
packages/folder for nested extension zips - Documentation, FAQs, and feature cards updated for 2.4
Fixed:
- Native fullscreen vs viewport-only overlay behaviour
- Grey stretch bars in the thumbnail grid
- Filmstrip scrolling the page; filmstrip now optional and off by default
- Slide sorting when values are nested arrays
- Lightbox alt text, Space key stealing focus, and hash clearing on exit
- Content plugin PSR-4 namespace registration
- Missing root
index.htmlin content plugin package (install copy error)
Version 2.3: 18 January 2026
Fixed:
- Improved error handling for missing image directories
- Fixed potential issues with empty image arrays in gallery processing
- Enhanced validation for folder paths to prevent directory traversal issues
Changed:
- Improved code structure and organization for better maintainability
- Enhanced image processing with better error checking and validation
- Optimized asset loading to prevent unnecessary resource loading
- Updated plugin metadata and version information
Version 1.5
Module note: keep a backup of slides when upgrading from 1.4 to 1.5.
- Joomla updater integrated
- Option to add padding and margin around the thumbnail
- PHP and jQuery issues fixed
- Additional CSS field in the backend
- Option to add border and border colour to the image
- Overlay option added
Version 2.2: 11 December 2025
Fixed:
- Fixed critical type error where sortImages() method was receiving stdClass object instead of array when using slides mode
- Fixed issue where images were not displaying when using slides mode due to incorrect extraction of nested subform data structure
- Enhanced type validation and error handling throughout the module to prevent similar issues
Changed:
- Updated slides extraction logic to properly handle Joomla's nested subform structure (slides0, slides1, etc.)
- Added better type validation, filtering, and array reindexing in the sortImages() helper method
- Added defensive checks to ensure items array is always properly initialized
- Separated sorting logic for folder-based images vs slides - slides now maintain user-defined order
Version 2.1: 03 December 2025
- Full Joomla 4, 5 and 6 compatibility with modern coding standards
- Shortcode examples tab with one-click copy in plugin configuration
- Enhanced plugin parameters, type safety, and content processing
- Optimized asset loading and image processing
- Improved security with HTML escaping and input sanitization
Version 2.0: 19 November 2023
- Supports Joomla 5 without Backward Compatibility Plugin
- Added masonry layout
- Uses new image resizing
- Images can now be converted to WebP format
- Does not support Joomla 3
Version 1.9: 20 February 2023
- Fixed PHP bug when no directory specified
Version 1.8: 06 February 2023
- Updated JS files to support latest jQuery
- Fixed PHP issues to support PHP 8
- Plugin syntax modified and made simpler
Version 1.7: 27 October 2021
- Supports Joomla 4
- Supports PHP version 8
Version 1.6: 05 June 2020
- Code optimization
- Option to choose folder in the backend (module)
- Thumbnail zoom on hover option added
Live preview of
Fullscreen Image Gallery — Video
Module settings
Fullscreen Image Gallery — Video
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