Hide empty visualizations.

themes/blueprint/js/pubdate_vis.js

@@ -23,7 +23,12 @@ function loadVis(facetFields, searchParams, baseURL, zooming) {
     $.getJSON(url, function (data) {
         if (data.status == 'OK') {
             $.each(data['data'], function(key, val) {
-                //console.log(val);
+                //check if there is data to display, if there isn't hide the box
+                if (val['data'].length == 0){
+                    $("#datevis" + key + "xWrapper").hide();
+                    return;
+                }
+
                 // plot graph
                 var placeholder = $("#datevis" + key + "x");
 

themes/blueprint/templates/Recommend/PubDateVisAjax.phtml

@@ -9,10 +9,12 @@
 
   <? foreach ($visFacets as $facetField=>$facetRange): ?>
     <div class="authorbox">
-      <strong><?=$this->translate($facetRange['label']) ?></strong>
-      <? /* space the flot visualisation */ ?>  
-      <div id="datevis<?=$facetField ?>x" style="margin:0 10px;width:auto;height:80px;cursor:crosshair;"></div>
-      <div id="clearButtonText" style="display: none"><?=$this->translate('Clear') ?></div>  
+      <div id="datevis<?=$this->escapeHtml($facetField)?>xWrapper">
+        <strong><?=$this->translate($facetRange['label']) ?></strong>
+        <? /* space the flot visualisation */ ?>  
+        <div id="datevis<?=$facetField ?>x" style="margin:0 10px;width:auto;height:80px;cursor:crosshair;"></div>
+        <div id="clearButtonText" style="display: none"><?=$this->translate('Clear') ?></div>  
+      </div>
     </div>
   <? endforeach; ?>
   <?