Sounds like you're close. do you mind posting the viewmodel code as a fresh
pair of eyes might be able to help?
On Wednesday, January 15, 2020 at 11:34:51 PM UTC, Angela Labrador wrote:
>
> Hi everyone,
>
> I have a node, let's call it <userid> (datatype string), which uses the
> default text widget. When users are completing the relevant form, I would
> like to autofill <userid> with the {{user.username}} value (but to still
> allow users to change the value).
>
> I've been trying to avoid writing a new widget to handle this scenario and
> instead use the existing text widget viewmodel and template. I'm
> successfully able to target the correct node by using knockout if/ifnot
> bindings
> e.g.:
>
> <!-- ko if: node.nodeid == "a72bbb27-bd5d-11e9-9b8f-94659cf754d0" -->
> ...
> <!-- /ko -->
> <!-- ko ifnot: node.nodeid == "a72bbb27-bd5d-11e9-9b8f-94659cf754d0" -->
> <input type="text" data-bind="textInput: value, attr:
> {placeholder: placeholder, maxlength: maxLength, disabled: disabled},
> style: {width: width}" class="form-control input-lg widget-input">
> <!-- /ko -->
>
>
> However, each attempt I make at the custom input fails (using either value
> or textInput data-binds). It's seemingly easy to make the correct username
> appear in the form field when the card loads (by setting params.value to
> {{user.username}}) but every time I click Add on the form, the tile save
> function fails validation (500 error), so I'm not actually passing the
> value correctly or it's getting set/unset at the wrong times or in the
> wrong order. As a sanity check I've also tried a simple
> data-bind="textInput: userName..." in the template and then this.userName =
> ko.observable('abc'); in the textwidget viewmodel, but while abc appears in
> the field, I get the same 500 error upon submit. Even when I manually
> delete the field and type something new, the form fails. I should note that
> the card has multiple text widgets on it.
>
> I'm fairly new to knockout, so I could be attacking this all wrong or
> missing something fundamental. Any ideas for how this could be done?
> (Trying to avoid editing the resource model...but maybe that can't be
> avoided).
>
> Thanks!
> Angela
>
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