Ajout du bouton Save and New

Block/Adminhtml/ImageSlider/Edit/SaveAndNewButton.php

+<?php
+namespace NicolasBejean\ImageSliderManager\Block\Adminhtml\ImageSlider\Edit;
+
+use \Magento\Framework\View\Element\UiComponent\Control\ButtonProviderInterface;
+use \Magento\Ui\Component\Control\Container;
+
+/**
+ * Class SaveAndNewButton
+ *
+ * @category PHP
+ * @package  NicolasBejean\ImageSliderManager\Block\Adminhtml\ImageSlider\Edit
+ * @author   Nicolas Béjean <nicolas@bejean.eu>
+ * @license  https://github.com/nicolasbejean/imageslidermanager/blob/master/licence.txt BSD Licence
+ * @link     https://www.bejean.eu
+ */
+class SaveAndNewButton extends GenericButton implements ButtonProviderInterface
+{
+    /**
+     * Get Button Data
+     *
+     * @return array
+     */
+    public function getButtonData()
+    {
+        return [
+            'label' => __('Save and new'),
+            'class' => 'save',
+            'data_attribute' => [
+                'mage-init' => [
+                    'buttonAdapter' => [
+                        'actions' => [
+                            [
+                                'targetName' => 'imageslidermanager_imageslider_form.imageslidermanager_imageslider_form',
+                                'actionName' => 'save',
+                                'params' => [
+                                    true,
+                                    [
+                                        'back' => 'new'
+                                    ]
+                                ]
+                            ]
+                        ]
+                    ]
+                ]
+            ],
+            'class_name' => Container::DEFAULT_CONTROL,
+        ];
+    }
+}