ajoute un hero sur la homepage

src/TechnoBundle/Controller/TechnoController.php

@@ -8,7 +8,19 @@ class TechnoController extends Controller
 {
     public function indexAction()
     {
-        return $this->render('@Techno/Default/index.html.twig');
+        $result = $this->getDoctrine()->getRepository('TechnoBundle:Image')->findAll();
+        $trio = array();
+        for ($i=0; $i < 4 ; $i++) {
+            $trio[] = rand(0,8);
+        }
+        $selection = array();
+        foreach ($trio as $k => $value) {
+            $selection[$k] = $result[$value];
+        }
+        return $this->render('@Techno/Default/index.html.twig', array(
+            'slider' => $selection,
+            'result' => $result
+        ));
     }
 
     public function helloAction($name)

src/TechnoBundle/Resources/views/Default/index.html.twig

 {% extends '@Techno/base.html.twig' %}
 
+{% block stylesheets %}
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <link rel="stylesheet" type="text/css" href="{{ asset('css/slider.css') }}">
+    {{ parent() }}
+{% endblock %}
+
 {% block title %}
     Page d'accueil
 {% endblock %}
 
+{% block hero %}
+<section id="hero">
+    <div class="container">
+        <div class="slideshow">
+
+            {% for image in slider %}
+                <div class="mySlides fade">
+                    <div class="numbertext">{{ loop.index }} / {{ slider|length }}</div>
+                    <img src="{{ image.path }}" style="width:100%">
+                    <div class="text">{{ image.legend }}</div>
+                </div>
+            {% endfor %}
+
+            <a class="prev" onclick="plusSlides(-1)">&#10094;</a>
+            <a class="next" onclick="plusSlides(1)">&#10095;</a>
+
+            <div class="bullets">
+              <span class="dot" onclick="currentSlide(1)"></span>
+              <span class="dot" onclick="currentSlide(2)"></span>
+              <span class="dot" onclick="currentSlide(3)"></span>
+            </div>
+
+        </div>
+    </div>
+</section>
+{% endblock %}
+
 {% block body %}
     {{ block('breadcrumb') }}
     <h1>{{ block('title') }}</h1>
     <h2>Hello World!</h2>
 {% endblock %}
+
+{% block javascripts %}
+    {{ parent() }}
+    <script src="{{ asset('js/slider.js') }}"></script>
+{% endblock %}

src/TechnoBundle/Resources/views/base.html.twig

@@ -45,6 +45,7 @@
 
             </div>
         </header>
+        {% block hero %}{% endblock %}
         <div id="content">
             <div class="container">
 

web/css/slider.css

+* {box-sizing: border-box}
+body #hero {font-family: Verdana, sans-serif; margin:0}
+#hero .mySlides {
+    display: none;
+}
+#hero img {
+    vertical-align: middle;
+    object-fit: cover;
+    width: 100%;
+    height: 250px;
+    
+}
+.bullets {
+    text-align:center;
+    margin-top: -35px;
+    padding-bottom: 16px;
+}
+/* Slideshow container */
+.slideshow {
+  max-width: 1000px;
+  position: relative;
+  margin: auto;
+}
+
+/* Next & previous buttons */
+.prev, .next {
+  cursor: pointer;
+  position: absolute;
+  top: 50%;
+  width: auto;
+  padding: 16px;
+  margin-top: -22px;
+  color: white;
+  font-weight: bold;
+  font-size: 18px;
+  transition: 0.6s ease;
+  border-radius: 0 3px 3px 0;
+}
+
+/* Position the "next button" to the right */
+.next {
+  right: 0;
+  border-radius: 3px 0 0 3px;
+}
+
+/* On hover, add a black background color with a little bit see-through */
+.prev:hover, .next:hover {
+  background-color: rgba(0,0,0,0.8);
+}
+
+/* Caption text */
+.text {
+  color: #00000073;
+  font-size: 35px;
+  padding: 8px 12px;
+  position: absolute;
+  bottom: 60px;
+  width: 100%;
+  text-align: center;
+  font-style: italic;
+}
+
+/* Number text (1/3 etc) */
+.numbertext {
+  color: #f2f2f2;
+  font-size: 12px;
+  padding: 8px 12px;
+  position: absolute;
+  top: 0;
+}
+
+/* The dots/bullets/indicators */
+.dot {
+  cursor: pointer;
+  height: 15px;
+  width: 15px;
+  margin: 0 2px;
+  background-color: #bbb;
+  border-radius: 50%;
+  display: inline-block;
+  transition: background-color 0.6s ease;
+}
+
+.active, .dot:hover {
+  background-color: #717171;
+}
+
+/* Fading animation */
+.fade {
+  -webkit-animation-name: fade;
+  -webkit-animation-duration: 1.5s;
+  animation-name: fade;
+  animation-duration: 1.5s;
+}
+
+@-webkit-keyframes fade {
+  from {opacity: .4}
+  to {opacity: 1}
+}
+
+@keyframes fade {
+  from {opacity: .4}
+  to {opacity: 1}
+}
+
+/* On smaller screens, decrease text size */
+@media only screen and (max-width: 300px) {
+  .prev, .next,.text {font-size: 11px}
+}

web/css/style.css

@@ -95,6 +95,9 @@ div.container {
     min-height: 120px;
 
 }
+#hero .container {
+    padding: 0;
+}
 #content .container {
     min-height: 100%;
 }
@@ -102,6 +105,10 @@ div.container {
     padding: 1em 4em;
 }
 
+#hero {
+    background-color: #dcdcdc;
+}
+
 #content aside {
     float: left;
     width: 21%;
@@ -110,6 +117,9 @@ div.container {
 aside h3 {
     text-transform: uppercase;
 }
+#content aside ul li.active {
+    background-color: #d4d4d4;
+}
 #content section {
     float: right;
     width: 74%;

web/js/slider.js

+var slideIndex = 1;
+showSlides(slideIndex);
+
+function plusSlides(n) {
+  showSlides(slideIndex += n);
+}
+
+function currentSlide(n) {
+  showSlides(slideIndex = n);
+}
+
+function showSlides(n) {
+  var i;
+  var slides = document.getElementsByClassName("mySlides");
+  var dots = document.getElementsByClassName("dot");
+  if (n > slides.length) {slideIndex = 1}
+  if (n < 1) {slideIndex = slides.length}
+  for (i = 0; i < slides.length; i++) {
+      slides[i].style.display = "none";
+  }
+  for (i = 0; i < dots.length; i++) {
+      dots[i].className = dots[i].className.replace(" active", "");
+  }
+  slides[slideIndex-1].style.display = "block";
+  dots[slideIndex-1].className += " active";
+}