[stringtemplate-interest] visualizer mockup

[Terence Parr]

Hiya...ST v3 has a nice XML tagged output that shows which template generated which output. I'd like an interactive thing that's easier to read for ST v4  I'm including a mockup.

It starts with a window with the generated output.  As I mouse over a section generated by a template, it highlights (one at a time) with a box or whatever.  I can collapse output for any expression/template.  If I hit "get info" key it would pop up a dialog showing the template pattern and the attribute table (an inspector).  It seems like I'd need to detect mouse movement over a textpane and then expand and collapse sections (hopefully w/o having to do much; perhaps replace the char sequence with a new "collapse icon").  Intellij does it but I wonder how much they rely on Swing to do the fancy stuff they do in a textpane.  Any thoughts about which components to use or avoid?  Any architectural suggestions?  Everything would happen in the text pane, except for the inspector which is probably a kind of treeview or something.

Gerald probably has lots of suggestions as he's done something similar I think for Eclipse.

I can't get to this for a while, but wanna start thinking.

Thanks!
Ter

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