mxGraph is deployable as a Package.
You can run draw.io Desktop (Windows, MacOS, GNU/Linux, Chrome OS) as well. It uses same data format as PluginDiagram.
Preferences required: wikiplugin_diagram
||int||Id of the file in the file gallery. A xml file containing the graph model.||19.0|
Go to the Admin Control Panel, Packages (tiki-admin.php?page=packages).
Click on the "Install Other Packages" tab and install the "mxgraph-editor" package.
In your file gallery upload your xml file containing the graph model.
You can test using this file : https://doc.tiki.org/dl1452
Go to the Admin Control Panel, Editing and Plugins (tiki-admin.php?page=textarea&cookietab=2).
Enable the Diagram plugin and set it on a Wiki page.
If the file Id of the model you've just uploaded is 7 this is how it should look
This is how the page should look:
You can edit the model using the GraphEditor integrated into Tiki by clicking on the "Edit diagram" link.