<%= form_tag({ controller: @query.chart_type == 'issues_chart' ? 'resource_issues' : 'resource_bookings', action: 'index', project_id: @project, months: params[:months] },
             method: :get, id: 'query_form') do %>

  <%= hidden_field_tag 'set_filter', '1' %>
  <%= render partial: "query_forms/#{@query.chart_type}_query_form.html.erb", locals: { query: @query } %>
<% end %>

<%= error_messages_for 'query' %>

<%= javascript_tag do %>
  $(function() {
    $('#group_by').change(function(){
        if($('#chart_type').val() == 'allocation_table' && $('#group_by').val() == 'project') {
            $('#workload').hide();
        } else {
            $('#workload').show();
        }
    });
});
<% end %>