<br/>
<%= metric_select_tag 'tmSize', Metric.all.select { |m| m.treemap_size? },
:html_id => 'select-tm-size',
+ :allow_empty => false,
:selected_key => filter.display.size_metric.key -%>
</td>
<td valign="top" class="thin nowrap">
<br/>
<%= metric_select_tag 'tmColor', Metric.all.select { |m| m.treemap_color? },
:html_id => 'select-tm-color',
- :allow_empty => true,
+ :allow_empty => false,
:selected_key => (filter.display.color_metric ? filter.display.color_metric.key : nil) -%>
<button id="update-treemap"><%= message 'refresh' -%></button>