Hi Martin:
I can confirm that the first error has disappeared with the latest trunk
Thank you very much for looking into this so quickly and fixing it
immediately!
The second error (too much recursion) is still there - I will look further
into that.
Concerning the various suggestions on a simplified form binding for
selection widgets: I am thinking of something like adding an argument to
qx.ui.form.Form.add() like so:
qx.ui.form.Form.add(IForm item, String label, (Function | AsyncValidator |
null) validator, (String | null) name, Object options )
options being a map. Options could have a valuePropertyChain, which tells
the form-to-model binding how to find the scalar value of a form item value
in a selection widget. So, for example,
form.add(myCurrencySelectBox, "Choose Currency", null, "currency", {
valuePropertyChain : "model.value"
});
would allow a direct, bidirectional model->form binding: whenever the model
changes, the binding will iterate through the items by getModel().getValue()
to find the right item(s) to select. Whenever the user changes the
selection, the model will receive the value of the getModel().getValue()
call on the selected item(s). This could have a different behavior for
single-selection widgets (scalar) and mulit-selection widgets (array) -
which would be more user-friendly. Or the model values are always arrays to
be more consistent with the API.
I think enhancement of form binding along these lines would make the life of
developers who work with forms a lot incredibly easier and it would result
in a lot of saved time us!
Thanks for considering this,
Christian
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