root/org.nuxeo.ecm.platform/trunk/nuxeo-platform-comment-web/src/main/resources/OSGI-INF/comment-actions-contrib.xml

<?xml version="1.0" encoding="UTF-8"?>

<component name="org.nuxeo.ecm.platform.comment.actions">

  <extension target="org.nuxeo.ecm.platform.actions.ActionService" point="actions">

    <action id="view_comments" link="/incl/tabs/document_comments.xhtml" enabled="true"
      order="80" label="action.view.comments">
      <category>VIEW_ACTION_LIST</category>
      <filter-id>commentable</filter-id>
      <filter-id>mutable_document</filter-id>
      <filter-id>not_anonymous</filter-id>
    </action>

    <!--  add the comment creation button -->
    <action id="newComment" link="#{commentManagerActions.addComment}"
      enabled="true" label="command.add.comments">
      <category>COMMENT_ACTIONS</category>
      <!--<filter-id>canAddComment</filter-id>-->
     </action>

    <action id="cancelComment" link="#{commentManagerActions.cancelComment}"
      enabled="true" label="command.cancel">
      <category>COMMENT_ACTIONS</category>
      <!--<filter-id>canAddComment</filter-id>-->
     </action>

      </extension>

  <extension target="org.nuxeo.ecm.platform.actions.ActionService"
    point="filters">
    <filter id="comment">
      <rule grant="true">
        <type>Comment</type>
      </rule>
    </filter>

    <filter id="commentable">
      <rule grant="true">
        <facet>Commentable</facet>
      </rule>
    </filter>

    <filter id="canAddComment">
      <rule grant="true">
        <permission>AddChildren</permission>
      </rule>
    </filter>

  </extension>

</component>