When creating a custom field, do you want to be able to select not only images, but also documents, videos, and audio? This PR adds the ability to specify one or more file types for a custom media type field.

Summary of Changes

• The file types parameter was added to the field parameters during creation.
• There are 4 file types: images, audios, videos, documents. This list decides which of the allowed file extensions from Media Manager configuration are used.
• images file type is selected by default and for empty parameter value
• You can select one or several file types: only videos and documents for example
• new attribute for Accessiblemedia Form Field: types. Similar to Media field.

Testing Instructions

• Apply this PR
• Create a new custom field for articles or contacts.
• Look at new field parameter - File types
  
• save your field with default settings (images type is selected)
  
• go to article edit view and try to choose a media file in this field - You'll be able to select only images. This is default Joomla behavior before apply this PR.
  
  See also a modal window title is Change image
  
  See also that the image has been rendered successfully in the frontend
  
• return to field settings and change file types. For example, unselect an images and select a documents or videos or both of them. Save field params,
  
• go to article edit view again and try to select media file in this field. Make sure you can select only documents or only videos as you configured your field. See also a modal window title is Change file
  
  See that there is no alt text and empty alt fields, but new field link text is present
  
• Check that link to download selected file has been rendered successfully in the frontend for documents file types. The link text is download by default. You can specify your own text.
  
• Check that <video> tag for selected file has been rendered successfully in the frontend for video file types.
  
• Check that <audio> tag for selected file has been rendered successfully in the frontend for audio file types.
  
• Go to field settings and change file types and add to file types images. So you have both images and non-images file types selected. Save field params.
  
• Go to article edit view and check that alt text and empty alt fields are present with the link text field. So if you'll select an image file - you can use additional field for image. If you'll select a non-image file - you can use a link text field
  
• Check modal window title is Change file. Check that you can choose both images and non-images file types.
  
  
• Select document file and check that link to download selected file has been rendered successfully in the frontend. Make sure that the link text matches the one specified in the field link text.
  
• Then select image file, fill the alt text for test and check that the image has been rendered successfully in the frontend
  
  

Actual result BEFORE applying this Pull Request

You cannot select anything except images in custom fields,

Expected result AFTER applying this Pull Request

Now you can configure file types for custom field type media (wich is a bundle of media + text for alt + checkbox for empty alt). You can select a mp4 or pdf in your media custom field.

• If image file has been selected - you can use alt text and empty alt fields. Image will render in frontend.
• if audio or video file has been selected - <audio> or <video> tag will render in frontend.
• if document file has been selected - you can use link text field for download link. Download link will render in frontend.

Link to documentations

Please select:

• Documentation link for docs.joomla.org:

• No documentation changes for docs.joomla.org needed

• Pull Request link for manual.joomla.org:

• No documentation changes for manual.joomla.org needed