Add sorting options on SpaceIndex macro

{{velocity}}
 ## TODO: add me a parameter to specify the style, list or livetable
 ## get the number of documents to display
 #set ($limit = $xcontext.macro.params.get('count'))
 #if ("$!limit" == '')
   ## 100 documents displayed by default if no value is specified
   #set ($limit = '100')
 #end
 #set ($limit = $mathtool.toInteger($limit))
 ## get the sort of the list of document
 ##values are creationDate, modificationDate and name
 #set ($sort = $xcontext.macro.params.get('sort'))
 #if ("$sort" == 'name')
   ## sorting alphabetical list of document
   #set ($sort = 'name asc')
 #elseif ("$sort" == 'modificationDate')
   ## list of document sorting by update date 
   #set ($sort = 'contentUpdateDate desc')
 #else
   ## list of document sorting by creation date by default if creationDate value, no value,  or wrong value is specified
   #set ($sort = 'creationDate desc')
 #end
 ## get the space to display the documents for
 #set ($spaceParam = $doc.space)
 #set ($spaceMacroParam = $xcontext.macro.params.get('space'))
 #if ("$!spaceMacroParam" != '')
   #set ($spaceParam = $spaceMacroParam)
 #end
 #set ($docNames = $services.query.hql("where doc.space=? order by doc.$sort ").addFilter('currentlanguage').addFilter('hidden').setLimit($limit).bindValues([${spaceParam}]).execute())
 {{html}}
   #displayDocumentList($docNames false [])
   ## Note: we pass an empty blacklistedSpaces list since we are used as a space dashboard, not a global dashboard
 {{/html}}

 #if ($docNames.size() == $limit)
   #set ($docCount = $services.query.xwql('where doc.space = :space').bindValue('space', $spaceParam).addFilter('unique').count())
   #set ($remaining = $mathtool.sub($docCount, $limit))
   #if ($remaining > 0)
    (% class="documentListMore" %) (((
    // $services.localization.render('xe.dashboard.space.remainingDocumentsInSpace', [$remaining, $spaceParam])
       [[$services.localization.render('xe.dashboard.space.visitSpaceIndex')>>Main.SpaceIndex?space=${escapetool.url($spaceParam)}]] //
    )))
   #end
 #end
 ##
 ## Document creation.
 ##
 ## Only if the current user has edit rights.
 #if ($hasCreatePage)
 {{html}}
    <ul class="xlist">
      <li class="page create"><a href="$doc.getURL('create')">$services.localization.render('platform.index.spaceIndexDocumentListCreate')</a></li>
    </ul>
 {{/html}}
 #end
{{/velocity}}