Issue #944: Un-hide arguments field in Text Extraction action.

[alxp]

GitHub Issue: (link) #944

What does this Pull Request do?

Un-hides the command-line arguments configuration option for the standard Text Extraction action.

What's new?

A site builder can now fine-tune Tesseract, including the ability to generate hOCR without needing a whole new action be defined.* Changes x feature to such that y

• Does this change add any new dependencies? No
• Does this change require any other modifications to be made to the repository
  (i.e. Regeneration activity, etc.)? No
• Could this change impact execution of existing code? No

How should this be tested?

Go to admin/index and click on Actions

Create a new Advanced Action with the Text Extraction as a base.

Follow the help text to add hOCR generation via the arguments field

Observe that the command-line arguments field is now visible, and that the Mime Type field will save changes made to it.

Go to Contexts under Context UI

Add this action as a reaction to e.g. a page derivative context.

Remove the existing Text Extraction reaction if present.

Create a new Repository Item with Page model.

Add a media of type File and upload a TIFF with text in the image.

Observe that hOCR is now generated in the Extracted Text field .

Documentation Status

• Does this change existing behaviour that's currently documented? No
• Does this change require new pages or sections of documentation? No
• Who does this need to be documented for?
• Associated documentation pull request(s): ___ or documentation issue ___

Additional Notes:

Any additional information that you think would be helpful when reviewing this
PR.

There is forthcoming work that will include a new hOCR Extracted Text Media Use so I'm leaving creation of this out for this ticket.

Interested parties

Tag (@ mention) interested parties or, if unsure, @Islandora/committers

[wgilling]

does the job! :)