Allow TinyMCE to respect the template's options

[dgrammatiko]

Pull Request for improving the UX and making editing a bit easier.

Summary of Changes

TinyMCE out of the box comes with some very basic styling. Eg the Bold button is just a <strong> around the selected text. But the editor gives the ability for further customisations e.g.: attach a class or inline styles etc...

So this PR brings that functionality to Joomla.
It covers both styles and formats (styles are the ones that correspond to the buttons e.g. bold, align left, etc and formats are the ones that will be in the formats dropdown)

Testing Instructions

Grab the files from https://gist.github.com/dgt41/be9e16814371f43ce99e8dc74ef54e99
and place them in administrator/templates/isis/css directory
Edit tinyMCE's configuration and type the relative paths:

Edit an article and observe the code when selecting a format or applying a style (e.g. bold, align right)

Expected result

Styles (standard buttons):

Formats (Formats dropdown

):

Documentation Changes Required

Yup!

Inspired by @coolcat-creations post on @brianteeman 's site...

[brianteeman]

From your screenshot you show the file being a json file

The language strings make no mention of this at all

[dgrammatiko]

@brianteeman you can improve it as you like...

[brianteeman]

@DGT41 but I dont know what it should be

[dgrammatiko]

The filename could be anything, same goes for the path, the only requirement is to be json type.

[brianteeman]

the only requirement is to be json type

So that needs to be mentioned ;)

[infograf768]

maybe with ahint in the field?

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