Update 2 column author list view

cps/static/js/filter_list.js

@@ -22,8 +22,17 @@ $("#desc").click(function() {
         return;
     }
     var list = $('#list');
+    var second = $('#second');
     var listItems = list.children(".row");
-    list.append(listItems.get().reverse());
+    var reversed, elementLength, middle;
+    Array.prototype.push.apply(listItems,second.children(".row"))
+    reversed = listItems.get().reverse();
+    elementLength = reversed.length;
+
+    middle = parseInt(elementLength / 2) + (elementLength % 2);
+
+    list.append(reversed.slice(0, middle));
+    second.append(reversed.slice(middle,elementLength));
     direction = 0;
 });
 
@@ -33,8 +42,15 @@ $("#asc").click(function() {
         return;
     }
     var list = $("#list");
+    var second = $('#second');
     var listItems = list.children(".row");
-    list.append(listItems.get().reverse());
+    Array.prototype.push.apply(listItems,second.children(".row"));
+    reversed = listItems.get().reverse();
+    elementLength = reversed.length;
+    middle = parseInt(elementLength / 2) + (elementLength % 2);
+
+    list.append(reversed.slice(0, middle));
+    second.append(reversed.slice(middle,elementLength));
     direction = 1;
 });
 

cps/templates/list.html

@@ -17,6 +17,10 @@
   <div class="container">
     <div id="list" class="col-xs-12 col-sm-6">
     {% for entry in entries %}
+      {% if loop.index0 == (loop.length/2+loop.length%2)|int and loop.length > 20 %}
+        </div>
+        <div id="second" class="col-xs-12 col-sm-6">
+      {% endif %}
       <div class="row" data-id="{% if entry[0].sort %}{{entry[0].sort}}{% else %}{% if entry.name %}{{entry.name}}{% else %}{{entry[0].name}}{% endif %}{% endif %}">
         <div class="col-xs-2 col-sm-2 col-md-1" align="left"><span class="badge">{{entry.count}}</span></div>
         <div class="col-xs-10 col-sm-10 col-md-11"><a id="list_{{loop.index0}}" href="{% if entry.format %}{{url_for(folder, data=data, sort='new', book_id=entry.format )}}{% else %}{{url_for(folder, data=data, sort='new', book_id=entry[0].id )}}{% endif %}">