[ENH] PluginDiagram: Show galleries, sub-galleries hierarchically
Description
When the Diagram plugin {diagram}
is used in a wiki page, galleries must appear hierarchically.
Steps to test
Add the tikiwiki/diagram package, activate the Diagram plugin and use {diagram}
code in a wiki page.
Expected result
The user should see the gallaries on the page in a select box displayed in a hierarchical way, he must first have added galleries.
Edited by Roberto Kirschbaum