openproject/app/views/trackers/_form.rhtml

<%= error_messages_for 'tracker' %>

<div class="splitcontentleft">
<div class="box tabular">
<!--[form:tracker]-->
<p><%= f.text_field :name, :required => true %></p>
<p><%= f.check_box :is_in_roadmap %></p>

<% if IssueCustomField.all.any? %>
<p>
	<label><%= l(:label_custom_field_plural) %></label>
	<% IssueCustomField.all.each do |field| %>
		<label class="block">
			<%= check_box_tag 'tracker[custom_field_ids][]',field.id, @tracker.custom_fields.include?(field) %>
			<%=h field.name %>
		</label>
	<% end %>
</p>
<%= hidden_field_tag 'tracker[custom_field_ids][]', '' %>
<% end %>

<% if @tracker.new_record? && @trackers.any? %>
<p><label><%= l(:label_copy_workflow_from) %></label>
<%= select_tag(:copy_workflow_from, content_tag("option") + options_from_collection_for_select(@trackers, :id, :name)) %></p>
<% end %>
<!--[eoform:tracker]-->
</div>
<%= submit_tag l(@tracker.new_record? ? :button_create : :button_save) %>
</div>

<div class="splitcontentright">
<% if @projects.any? %>
<fieldset class="box" id="tracker_project_ids"><legend><%= l(:label_project_plural) %></legend>
<%= project_nested_ul(@projects) do |p|
  content_tag('label', check_box_tag('tracker[project_ids][]', p.id, @tracker.projects.include?(p), :id => nil) + ' ' + h(p))
end %>
<%= hidden_field_tag('tracker[project_ids][]', '', :id => nil) %>
<p><%= check_all_links 'tracker_project_ids' %></p>
</fieldset>
<% end %>
</div>