fabricedge1

fabricedge1

Question: Is there a default value that a option can have in select component? I am using LiveView

 <.input field={@form[:theme]} value={"Roxo"} type="select"
                  options={[
                    {gettext("Vermelho Padrão"), "default_theme"}, {gettext("Roxo"), "purple_theme"}, {"Verde", "green_theme"}
                    ]} />

Marked As Solved Switch mode

fabricedge1

fabricedge1 OP

remove “multiple” from select and dropdown works: <select id="theme" name="theme" class=""> {Phoenix.HTML.Form.options_for_select([{"Roxo", "purple_theme"}, {"Vermelho Padrão", "default_theme"}], @theme )} </select>

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joshua-bouv

joshua-bouv

To set a default value, you do this in the form.

def mount(_params, _session, socket)
  changeset = User.changeset(user, %{theme: "Dark"})
  {:ok, assign(socket, form: to_form(changeset))}

If you are looking to set a default value that isn’t one of the options, you can add a prompt. Ie ‘Choose xxx’

<.input
  field={@form[:theme]}
  type="select"
  prompt="Choose a theme..."
  options={["Light", "Dark"]}
/>

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