Processing 4.2 pdez files!!

[shiffman]

Wow! Processing 4.2 adds the new pde:// protocol which allows you to open Processing sketches in the PDE directly from the browser!! We should implement this into the site for all video pages!!

See: https://github.com/processing/processing4/releases/tag/processing-1292-4.2

cc @benfry @SableRaf

Will tackle this here first, but then I can add this to the Nature of Code website as well!

[dipamsen]

Here is a rough list of steps for implementing this to the site:

• [ ] Create .pdez compressed files for all code examples in https://github.com/CodingTrain/Coding-Challenges
• [ ] Add functionality to the website to link to pde:// urls of the .pdez files (if user has required version of Processing installed (?))
• [ ] Update content json files to link to .pdez files on GitHub

[SableRaf]

Quick update to share my reference implementation for the Open in Processing button:

https://sableraf.github.io/testURIscheme/

Notice the tooltip that serves as a fallback in case Processing is not installed.

We could also consider having a separate button for downloading the sketch.

Note: support for pde:// on Linux is still pending but this Pull Request should solve the issue: https://github.com/processing/processing4/pull/696