Adobe CQ/AEM: Add filter by tag to the query builder (asset share)

aem_filter_tag

<tab4
    jcr:primaryType="nt:unstructured"
    title="Filter"
    xtype="panel">
    <items jcr:primaryType="cq:WidgetCollection">
      <tagFilter
      	jcr:primaryType="cq:Widget"
      	name="./tagFilter"
        fieldDescription="Add tags to filter the result set."
        fieldLabel="Filter by tags"
      	xtype="tags"/>
    </items>
</tab4>



// filter by tags:
String[] tags = properties.get("tagFilter", String[].class);
<%
  for (int i = 0; i < tags.length; i++) {
      String tag = tags[i];
      %>
       	qb.addHidden("<%=i%>_tag.property", "jcr:content/metadata/cq:tags");
       	qb.addHidden("<%=i%>_tag.property.1_value", "<%=tag%>");
       	/* qb.addHidden("<%=i%>_tag.p.or", "true"); */
      <%
  }
%>