extra_views/static/src/xml/extra_views.xml
<?xml version="1.0" encoding="UTF-8"?>
<templates id="template" xml:space="preserve">
<div t-name="ExtraViews.error" class="oe_view_nocontent" >
<p><strong><t t-esc="title"/></strong></p>
<p><t t-esc="description"/></p>
</div>
<t t-name="ExtraViews.buttons">
<div class="btn-group btn-group-sm" role="group">
<button class="btn btn-primary btn-sm dropdown-toggle" data-toggle="dropdown">
Measures <span class="caret"/>
</button>
<ul class="dropdown-menu o_extra_measures_list">
<li t-foreach="measures" t-as="measure" t-att-data-field="measure[0]">
<a href="#"><t t-esc="measure[1].string"/></a>
</li>
<li class="divider"></li>
<li data-field="__count__"><a href="#">Count</a></li>
</ul>
</div>
<div class="btn-group btn-group-sm">
<button class="btn btn-default fa fa-bar-chart-o o_extra_button" title="Bar Chart" data-mode="bar"/>
<button class="btn btn-default fa fa-pie-chart o_extra_button" title="Pie Chart" data-mode="pie"/>
</div>
</t>
<div id="main" style="width: 600px;height:400px;">
</div>
</templates>