is it possible to add model instances at runtime?

by Jean Luc :: Rate this Message:

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I haven't found a reference in the doc (you can reload them, but not add new ones).

The rationale for the question is that I'd like to have both of the following:

- a model instance reloaded on the fly depending on another selection (think of loading the list of "widget attributes" for a widget "type" selected via a drop down box - there are many hundreds of types, each with dozens of attributes, so preloading all of them is not feasible). This is possible today, but I need the 2nd condition as well:

- the ability to add new widgets in the form. Each has its own type so it must be mapped to a separate instance, created on the fly.

Thank you,

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