Add sum.

app/Support/Twig/General.php

@@ -52,7 +52,7 @@ class General extends Twig_Extension
             $this->getCurrencySymbol(),
             $this->phpdate(),
             $this->env(),
-
+            $this->getAmountFromJournal(),
             $this->activeRouteStrict(),
             $this->activeRoutePartial(),
             $this->activeRoutePartialWhat(),
@@ -306,4 +306,16 @@ class General extends Twig_Extension
         );
     }
 
+    /**
+     * @return Twig_SimpleFunction
+     */
+    private function getAmountFromJournal()
+    {
+        return new Twig_SimpleFunction(
+            'getAmount', function (TransactionJournal $journal) : string {
+            return TransactionJournal::amount($journal);
+        }
+        );
+    }
+
 }

resources/views/popup/list/journals.twig

@@ -23,7 +23,14 @@
     </tr>
     </thead>
     <tbody>
+    <!--
+    Make sum:
+    {% set sum = 0 %}
+    -->
     {% for journal in journals %}
+        <!-- add to sum
+        {% set sum = (sum + getAmount(journal) ) %}
+        -->
         <tr class="drag" data-date="{{ journal.date.format('Y-m-d') }}" data-id="{{ journal.id }}">
             <td class="hidden-xs">
                 {{ journal|typeIcon }}
@@ -76,6 +83,12 @@
         </tr>
     {% endfor %}
     </tbody>
+    <tfoot>
+    <tr>
+        <td colspan="2" style="text-align: right;"><em>{{ 'sum'|_ }}:</em></td>
+        <td>{{ sum|formatAmount }}</td>
+    </tr>
+    </tfoot>
 </table>
 
 {{ journals.render|raw }}