upgraded to symfony 4 #74 (#81)

templates/default/_flash_messages.html.twig

@@ -0,0 +1,9 @@
+{% import "@AvanzuAdminTheme/layout/macros.html.twig" as macro %}
+
+{% if app.session.started and app.session.flashbag.peekAll|length > 0 %}
+    <div class="row">
+        <div class="col-sm-12">
+            {{ macro.session_flash(avanzu_adminlte_close_alert|default(true), false, '', 'flashmessages') }}
+        </div>
+    </div>
+{% endif %}

templates/default/_form.html.twig

@@ -0,0 +1,16 @@
+<div class="box box-primary">
+    <div class="box-header with-border">
+        <h3 class="box-title">{{ title }}</h3>
+    </div>
+    {{ form_start(form) }}
+    <div class="box-body">
+         {{ form_widget(form) }}
+    </div>
+    <div class="box-footer">
+        <input type="submit" value="{{ 'action.save'|trans }}" class="btn btn-primary" />
+        {% if back %}
+            <a href="{{ back }}" class="btn btn-warning">{{ 'action.back'|trans }}</a>
+        {% endif %}
+    </div>
+    {{ form_end(form) }}
+</div>

templates/default/_form_delete.html.twig

@@ -0,0 +1,20 @@
+<div class="box box-solid box-danger">
+    <div class="box-header">
+        <h3 class="box-title">{{ title|default('confirm.delete'|trans) }}</h3>
+    </div>
+    <div class="box-body">
+        {{ message|default('confirm.delete_message'|trans)|raw }}
+    </div>
+    {{ form_start(form) }}
+    <div class="box-body">
+        {{ form_widget(form) }}
+    </div>
+    <div class="box-footer">
+        <input type="submit" value="{{ 'action.delete'|trans }}" class="btn btn-danger" />
+        {% if back %}
+            <a href="{{ back }}" class="btn btn-primary">{{ 'action.back'|trans }}</a>
+        {% endif %}
+    </div>
+    {{ form_end(form) }}
+</div>
+