add confirmation page for task

Event/UI/UIEvent.php

@@ -0,0 +1,130 @@
+<?php
+/*
+ * 
+ */
+namespace Chill\TaskBundle\Event\UI;
+
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\HttpFoundation\Response;
+use Chill\TaskBundle\Entity\AbstractTask;
+use Symfony\Component\Form\FormInterface;
+use Symfony\Component\Workflow\Transition;
+
+/**
+ * 
+ *
+ * @author Julien Fastré <julien.fastre@champs-libres.coop>
+ */
+class UIEvent extends Event
+{
+    const SHOW_TRANSITION_PAGE = 'chill_task.show_transition_page';
+    
+    /**
+     *
+     * @var string
+     */
+    protected $kind;
+    
+    /**
+     *
+     * @var AbstractTask 
+     */
+    protected $task;
+    
+    /**
+     *
+     * @var Response|null
+     */
+    protected $response = null;
+    
+    /**
+     *
+     * @var FormInterface|null
+     */
+    protected $form = null;
+    
+    /**
+     * @var Transition
+     */
+    protected $transition = null;
+    
+    public function __construct($kind, AbstractTask $task)
+    {
+        $this->kind = $kind;
+        $this->task = $task;
+    }
+    
+    /**
+     * 
+     * @return string
+     */
+    public function getKind()
+    {
+        return $this->kind;
+    }
+
+    /**
+     * 
+     * @return AbstractTask
+     */
+    public function getTask(): AbstractTask
+    {
+        return $this->task;
+    }
+    
+    /**
+     * 
+     * @return FormInterface|null
+     */
+    public function getForm()
+    {
+        return $this->form;
+    }
+
+    public function setForm(FormInterface $form)
+    {
+        $this->form = $form;
+        
+        return $this;
+    }
+    
+    public function getTransition()
+    {
+        return $this->transition;
+    }
+
+    public function setTransition(Transition $transition)
+    {
+        $this->transition = $transition;
+        
+        return $this;
+    }
+        
+    /**
+     * 
+     * @return Response
+     */
+    public function getResponse(): Response
+    {
+        return $this->response;
+    }
+
+    /**
+     * 
+     * @param Response $response
+     * @return $this
+     */
+    public function setResponse(Response $response)
+    {
+        $this->response = $response;
+        
+        return $this;
+    }
+
+    public function hasResponse()
+    {
+        return $this->response instanceof Response;
+    }
+
+
+}