Alternative new Measurement form, WIP

app/views/readouts/_form.html.erb

@@ -0,0 +1,30 @@
+<%= tabular_fields_for 'readouts[]', readout do |form| %>
+  <%- tag.tr id: dom_id(readout.quantity, :new, :readout),
+             onkeydown: 'processKey(event)' do %>
+    <td>
+      <%#= readout.quantity.relative_pathname(@common_ancestor) %>
+      <%= form.collection_select :quantity_id, @user_quantities,
+        :id, ->(q){ sanitize('&emsp;' * q.depth + q.name) },
+        {disabled: @quantities.map(&:id).delete!(form.object.quantity.id)},
+        {class: 'quantity'} %>
+    </td>
+    <td>
+      <%= form.number_field :value, required: true, autofocus: true, size: 10 %>
+    </td>
+    <td>
+      <%= form.collection_select :unit_id, @user_units, :id,
+        ->(u){ sanitize('&emsp;' * (u.base_id ? 1 : 0) + u.symbol) } %>
+    </td>
+
+    <td class="actions">
+      <%= image_button_tag t('.new_children'), 'plus-multiple-outline',
+        formaction: new_measurement_path(readout.quantity, :children),
+        formmethod: :get, formnovalidate: true, data: {turbo_stream: true} %>
+      <%#= image_button_tag t('.new_subtree'), 'plus-multiple-outline',
+        formaction: new_measurement_path(:subtree), **common_options -%>
+      <%= image_button_tag '', 'delete-outline', class: 'dangerous',
+        formaction: discard_readouts_path(readout.quantity),
+        formmethod: :get, formnovalidate: true, data: {turbo_stream: true} %>
+    </td>
+  <% end %>
+<% end %>

app/views/readouts/_form_discard.html.erb

@@ -0,0 +1,2 @@
+<%= turbo_stream.remove dom_id(@quantity, :new, :readout) %>
+<%= render partial: 'form_repath' %>

app/views/readouts/_form_repath.html.erb

@@ -0,0 +1,7 @@
+<%= turbo_stream.update(:measurement_form_legend) { @common_ancestor&.pathname } %>
+
+<% @prev_quantities.each do |pq| %>
+  <%= turbo_stream.update dom_id(pq, nil, :pathname) do %>
+    <%= pq.relative_pathname(@common_ancestor) %>
+  <% end %>
+<% end %>

app/views/readouts/new.turbo_stream.erb

@@ -0,0 +1,8 @@
+<%#= render partial: 'form_repath' %>
+
+<% @readouts.each do |r| %>
+  <%= turbo_stream.disable_all "select.quantity option[value='#{r.quantity_id}']" %>
+<% end %>
+<%= turbo_stream.before :readouts_form do %>
+  <%= render partial: 'form', collection: @readouts, as: :readout %>
+<% end %>