diff --git a/src/ControllerTrait.php b/src/ControllerTrait.php
index 8a80e1a..4cc0476 100644
--- a/src/ControllerTrait.php
+++ b/src/ControllerTrait.php
@@ -9,8 +9,7 @@ use Picea,
 
 use Psr\Http\Message\ServerRequestInterface;
 use Storage\Session;
-
-use Laminas\Diactoros\Response\{ HtmlResponse, TextResponse, RedirectResponse, JsonResponse, EmptyResponse };
+use Laminas\Diactoros\Response\{EmptyResponse, HtmlResponse, TextResponse, RedirectResponse, JsonResponse};
 
 use Ulmus\EntityCollection;
 
@@ -79,12 +78,12 @@ trait ControllerTrait {
 
     public static function renderNothing(int $code = 204, array $headers = []) : ResponseInterface
     {
-        return new EmptyResponse($code, $headers);
+	    return new EmptyResponse($code, $headers);
     }
 
-    public static function renderText(string $text, int $code = 200, array $headers = []) : ResponseInterface
+    public static function renderText(string $html, int $code = 200, array $headers = []) : ResponseInterface
     {
-        return new TextResponse($text, $code, $headers);
+        return new TextResponse($html, $code, $headers);
     }
 
     public static function renderHtml(string $html, int $code = 200, array $headers = []) : ResponseInterface
@@ -92,7 +91,7 @@ trait ControllerTrait {
         return new HtmlResponse($html, $code, $headers);
     }
 
-    public static function renderJson(array $data, int $code = 200, array $headers = []) : ResponseInterface
+    public static function renderJson(/*\JsonSerializable|array*/ $data, int $code = 200, array $headers = []) : ResponseInterface
     {
         return new JsonResponse($data, $code, $headers);
     }
diff --git a/view/lean/widget/calendar.phtml b/view/lean/widget/calendar.phtml
new file mode 100644
index 0000000..634cebd
--- /dev/null
+++ b/view/lean/widget/calendar.phtml
@@ -0,0 +1,67 @@
+{% use 
+    Ulmus\Entity\Field\Date
+%}
+
+{% arguments int $month, int $year %}
+
+{% define "week.heading", int $day, int $month, int $year %}
+{% define "day.content", \DateTime $date, bool $today %}
+{% define "day.empty", int $day, int $month, int $year %}
+
+{% php
+    $month = ltrim($month, "0");
+    $datetime = ( new Date( "{$year}-{$month}-1" ) );
+    $index = $datetime->format('w');
+    $dayCount = $datetime->format('t');
+    $currentDay = 0;
+%}
+
+<div class="calendar-wrapper">
+    <div class='week-heading'>
+        {% foreach range(1, 7) as $day %}
+            {% slot "week.heading", $day, $month, $year %}
+                <div class="day-box">
+                    {# Random calendar date that starts on a sunday #}
+                    {{ substr(( new Date("2019-12-$day") )->formatLocale("%A"), 0, 3) }}
+                </div>
+            {% endslot %}
+        {% endforeach %}
+    </div>
+
+    {% foreach range(0, 5) as $week  %}
+        <div class="week">
+            {% foreach range(0, 6) as $day %}
+                {% if ( $week * 6 + $day >= $index ) && ( $currentDay < $dayCount ) %}
+                    {% php
+                        $currentDay++;
+                    %}
+                    
+                    {% slot "day.content", new \DateTime("$year-$month-$currentDay"), date("$year-$month-$currentDay")  === date('Y-n-j') %}
+                        <div class="day-box {{ $today ? 'today' : '' }}">{{ $date->format('d') }}</div>
+                    {% endslot %}
+               {% else %}
+                    {% slot "day.empty", $day, $month, $year %}
+                        <div class="day-box"></div>
+                    {% endslot %}
+                {% endif %}
+            {% endforeach %}
+        </div>
+
+        {% if $currentDay >= $dayCount %}
+            {% break %}
+        {% endif %}
+    {% endforeach %}
+</div>
+
+<style>
+    .legend {margin:6px 0 0 0; padding:5px 8px;background:#f9f2f2}
+    .calendar-wrapper {border:1px solid #e3e6f0}
+    .calendar-wrapper .day-box {position:relative;width:14.29%;border:2px solid #fff;height:60px;display:flex;flex-direction:column;justify-content:center;padding:6px 0; text-align:center}
+    .calendar-wrapper .day-box.today {border:2px dashed #4e73df;}
+    .calendar-wrapper .bg-conge,
+    .calendar-wrapper .bg-pedagogique {position:absolute;top:0;bottom:0;left:0;right:0;opacity:0.5;pointer-events:none;}
+    .calendar-wrapper .week,
+    .calendar-wrapper .week-heading {display:flex;}
+    .week-heading {background:#eaecf4;font-weight:bold;}
+    .week:nth-child(even) {background:#f9f2f2; }
+</style>
\ No newline at end of file