tcarac
Hey!
So I’m looking forward to implement a simple use case, but trying to work my ways around liveview.
The use case is a Ecto model which has an array of strings.
Ecto
schema "lesson" do
field :about, :string
field :learnings, {:array, :string}
field :name, :string
timestamps()
end
My intention is to have add/remove buttons in the liveview and these should append new empty text inputs to the form.
Form Component
<.form
let={f}
for={@changeset}
id="course-form"
phx-target={@myself}
phx-submit="save">
<%= label f, :name %>
<%= text_input f, :name %>
<%= error_tag f, :name %>
<%= label f, :about %>
<%= textarea f, :about %>
<%= error_tag f, :about %>
<div>
<%= submit "Save", phx_disable_with: "Saving..." %>
</div>
</.form>
I would imagine that it should be something like adding a:
<a href="#" phx-click="add-learning">Add Learning</a>
but this im unsure how to produce add the new input and also this is firing a phx-change on the form even if the href is outside of it.
Appreciating any possible guidance/help!
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cmo
If you’re happy to do a trip to the server to do so, then @LostKobrakai has an example here.
tcarac
Thanks for the reply @cmo .
No, i’m not happy to do a trip to the server, but I imagined the gist was also to try and avoid javascript.
cmo
In that case, you’re going to have to do something like create the entire form in js, create the extra
<input>elements with a Hook or have an extra one always there but hidden with css and show it + add another hidden one when the button is clicked.And if it’s a button you’re creating, shouldn’t you use
<button>instead of<a>?