group actions confirm dialog

assets/datagrid.js

@@ -116,6 +116,11 @@ var datagridFitlerMultiSelect, datagridGroupActionMultiSelect, datagridShiftGrou
 	indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; };
 
 $(document).on('click', '[data-datagrid-confirm]:not(.ajax)', function(e) {
+	var data = $(e.target).data();
+
+	if (data['groupAction'] === true) {
+		return;
+	}
 	if (!confirm($(e.target).closest('a').attr('data-datagrid-confirm'))) {
 		e.stopPropagation();
 		return e.preventDefault();

src/DataGrid.php

@@ -439,6 +439,11 @@ class DataGrid extends Control
 	 */
 	private $componentFullName;
 
+	/**
+	 * @var string|null
+	 */
+	protected $groupActionsConfirmDialog;
+
 
 	public function __construct(?IContainer $parent = null, ?string $name = null)
 	{
@@ -3330,4 +3335,17 @@ private function getPresenterInstance(): Presenter
 		return $this->getPresenter();
 	}
 
+	public function setGroupActionsConfirmDialog(string $confirmDialog): void
+	{
+		$this->groupActionsConfirmDialog = $confirmDialog;
+	}
+
+	/**
+	 * @return ?string
+	 */
+	public function getGroupActionsConfirmDialog(): ?string
+	{
+		return $this->groupActionsConfirmDialog;
+	}
+
 }

src/GroupAction/GroupActionCollection.php

@@ -9,6 +9,7 @@
 use Nette\Forms\Controls\SelectBox;
 use Nette\Forms\Controls\SubmitButton;
 use Nette\Forms\Form as NetteForm;
+use Ublaboo\DataGrid\Column\Action;
 use Ublaboo\DataGrid\DataGrid;
 use Ublaboo\DataGrid\Exception\DataGridGroupActionException;
 
@@ -140,12 +141,19 @@ public function addToFormContainer(Container $container): void
 					strtolower($this->datagrid->getFullName()) . 'group_action_submit'
 				);
 
-			$container->addSubmit('submit', 'ublaboo_datagrid.execute')
+			$submit = $container->addSubmit('submit', 'ublaboo_datagrid.execute')
 				->setValidationScope([$container])
 				->setAttribute(
 					'id',
 					strtolower($this->datagrid->getFullName()) . 'group_action_submit'
 				);
+
+			$confirmationDialog = $this->datagrid->getGroupActionsConfirmDialog();
+			if ($confirmationDialog !== null && $confirmationDialog !== '') {
+				$submit->setHtmlAttribute('data-' . Action::$dataConfirmAttributeName, $confirmationDialog);
+				$submit->setHtmlAttribute('data-group-action', 'true');
+			}
+
 		} else {
 			unset($container['group_action']);
 		}