Trying to figure out DRYML replace/merge capabilities

[j_McCaffrey]

I would like do remove the ability to edit the last_login_at from the
user form, as its not something you should edit. (I want to display
it, but just not edit it).

Is there a way to make this not editable in the form? (something at
the model level?)

There is an existing user form in forms.dryml
<def tag="form" for="User">
<form merge param="default">
<error-messages param/>
<field-list fields="first_name, last_name, company_name, title,
last_login_at, company_phone_number, email_address, role, state,
organization" param/>
<div param="actions">
<submit label="#{ht 'user.actions.save', :default=>['Save']}"
param/><or-cancel param="cancel"/>
</div>
</form>
</def>

In general I try not to completely override the defaults, I just merge
in my changes, so that if I add new columns, they will automatically
show up where they should.

I would like to do something like this in my application.dryml

<extend tag="form" for="User">
<old-form merge>
<field-list merge skip="last_login_at" />
</old-form>
</extend>

This kind of works, in that it hides the last_login_at (if I could
display it as non-editable that would be the best), but it also loses
the error-messages and submit buttons section.

How do I replace just parts of a defined tag, but not those elements
around it?
I feel like if I understand how to do this, it will go a long way in
helping me master Hobo. (I have wasted a lot of time screwing around
with dryml stuff so far)

Thanks for your help!

[Bryan Larsen]

Adding a single colon will get you exactly what you want:

<extend tag="form" for="User">
<old-form merge>
<field-list: merge skip="last_login_at" />
</old-form>
</extend>

In the above you're modifying the 'field-list' param.

Without the colon, what you're doing is modifying the 'default' param
and instantiating a single instance of the 'field-list' tag inside the
form.

Bryan

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[kevinpfromnm]

You might also want to look at the permissions in addition (or alternatively) and add a restriction to last_login_at changing in the update_permitted? method.  See permissions manual for further info.