Redmine/app/views/issues/_form.rhtml

<% if @issue.new_record? %>
<p><%= f.select :tracker_id, @project.trackers.collect {|t| [t.name, t.id]}, :required => true %></p>
<%= observe_field :issue_tracker_id, :url => { :action => :new },
                                     :update => :content,
                                     :with => "Form.serialize('issue-form')" %>
<hr />
<% end %>

<div id="issue_descr_fields" <%= 'style="display:none"' unless @issue.new_record? || @issue.errors.any? %>>
<p><%= f.text_field :subject, :size => 80, :required => true %></p>
<p><%= f.text_area :description,
                   :cols => 60,
                   :rows => (@issue.description.blank? ? 10 : [[10, @issue.description.length / 50].max, 100].min),
                   :accesskey => accesskey(:edit),
                   :class => 'wiki-edit' %></p>
</div>

<div class="attributes">
<div class="splitcontentleft">
<% if @issue.new_record? || @allowed_statuses.any? %>
<p><%= f.select :status_id, (@allowed_statuses.collect {|p| [p.name, p.id]}), :required => true %></p>
<% else %>
<p><label><%= l(:field_status) %></label> <%= @issue.status.name %></p>
<% end %>

<p><%= f.select :priority_id, (@priorities.collect {|p| [p.name, p.id]}), :required => true %></p>
<p><%= f.select :assigned_to_id, (@issue.assignable_users.collect {|m| [m.name, m.id]}), :include_blank => true %></p>
<% unless @project.issue_categories.empty? %>
<p><%= f.select :category_id, (@project.issue_categories.collect {|c| [c.name, c.id]}), :include_blank => true %>
<%= prompt_to_remote(l(:label_issue_category_new),
                     l(:label_issue_category_new), 'category[name]', 
                     {:controller => 'projects', :action => 'add_issue_category', :id => @project},
                     :class => 'small', :tabindex => 199) if authorize_for('projects', 'add_issue_category') %></p>
<% end %>
<% unless @issue.assignable_versions.empty? %>
<p><%= f.select :fixed_version_id, (@issue.assignable_versions.collect {|v| [v.name, v.id]}), :include_blank => true %></p>
<% end %>
</div>

<div class="splitcontentright">
<p><%= f.text_field :start_date, :size => 10 %><%= calendar_for('issue_start_date') %></p>
<p><%= f.text_field :due_date, :size => 10 %><%= calendar_for('issue_due_date') %></p>
<p><%= f.text_field :estimated_hours, :size => 3 %> <%= l(:field_hours) %></p>
<p><%= f.select :done_ratio, ((0..10).to_a.collect {|r| ["#{r*10} %", r*10] }) %></p>
</div>

<div style="clear:both;"> </div>
<%= render :partial => 'form_custom_fields' %>
</div>

<% if @issue.new_record? %>
<p><label><%=l(:label_attachment_plural)%></label><%= render :partial => 'attachments/form' %></p>
<% end %>

<% if @issue.new_record? && User.current.allowed_to?(:add_issue_watchers, @project) -%>
<p><label><%= l(:label_issue_watchers) %></label>
<% @issue.project.users.sort.each do |user| -%>
<label class="floating"><%= check_box_tag 'issue[watcher_user_ids][]', user.id, @issue.watcher_user_ids.include?(user.id) %> <%=h user %></label>
<% end -%>
</p>
<% end %>

<%= call_hook(:view_issues_form_details_bottom, { :issue => @issue, :form => f }) %>

<%= wikitoolbar_for 'issue_description' %>