It depends what you mean by re-sizable. It should be fairly straightforward to have a customisable option for the width of the Labtrove page (i.e. the white part of the page) that is set in config.php. This would allow sites that knew all its users had sufficiently high resolution screens, to take advantage of more page real estate.
If by re-sizeable you mean the LabTrove page dynamically resizes based on the size of the window, this is doable but could require considerably more effort as all browsers would have to be tested to see if there are any quirks for overly small or large pages and standard page widths such as 1920, 1280, 1024, etc. Constructing the CSS to avoid all quirks, in all browsers and page sizes may be tricky as the CSS in general needs a bit of a tidy up.
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It depends what you mean by re-sizable. It should be fairly straightforward to have a customisable option for the width of the Labtrove page (i.e. the white part of the page) that is set in config.php. This would allow sites that knew all its users had sufficiently high resolution screens, to take advantage of more page real estate.
If by re-sizeable you mean the LabTrove page dynamically resizes based on the size of the window, this is doable but could require considerably more effort as all browsers would have to be tested to see if there are any quirks for overly small or large pages and standard page widths such as 1920, 1280, 1024, etc. Constructing the CSS to avoid all quirks, in all browsers and page sizes may be tricky as the CSS in general needs a bit of a tidy up.
It's easy to make the 'white area' of the page wider. We've had a support request in the past regarding this:
https://www.mylabnotebook.ac.uk/support/scp/tickets.php?id=156
Here's a 2.3 instance with a wider 'white area' that I set up while investigating this, so you can see what scales and what doesn't:
http://vm05.omii.ac.uk/jsr/