Add Grid bulk action methods

demos/collection/grid.php

@@ -6,8 +6,10 @@
 
 use Atk4\Data\Model;
 use Atk4\Ui\Button;
+use Atk4\Ui\Form;
 use Atk4\Ui\Grid;
 use Atk4\Ui\Js\Jquery;
+use Atk4\Ui\Js\JsBlock;
 use Atk4\Ui\Js\JsExpression;
 use Atk4\Ui\Js\JsReload;
 use Atk4\Ui\Js\JsToast;
@@ -71,12 +73,35 @@
 // TODO button is added not only to the table rows, but also below the table!
 // $grid->addExecutorButton($deleteExecutor, new Button(['icon' => 'times circle outline']));
 
-$sel = $grid->addSelection();
-$grid->menu->addItem('show selection')
-    ->on('click', new JsExpression(
-        'alert(\'Selected: \' + [])',
-        [$sel->jsChecked()]
-    ));
+$grid->addSelection();
+
+$grid->addBulkAction(['Show selected', 'icon' => 'binoculars'], static function (Jquery $j, array $ids) {
+    return new JsToast('Selected: ' . implode(', ', $ids) . '#');
+});
+
+// Executing a modal on a bulk selection
+$grid->addModalBulkAction(['Delete selected', 'icon' => 'trash'], '', static function (View $modal, array $ids) use ($grid) {
+    Message::addTo($modal, [
+        'The selected records will be permanently deleted: ' . implode(', ', $ids) . '#',
+        'type' => 'warning',
+        'icon' => 'warning',
+    ]);
+    $form = Form::addTo($modal);
+    $form->buttonSave->set('Delete');
+    $form->buttonSave->icon = 'trash';
+    $form->onSubmit(static function (Form $form) use ($grid, $ids) {
+        $grid->model->atomic(static function () use ($grid, $ids) {
+            foreach ($ids as $id) {
+                $grid->model->delete($id);
+            }
+        });
+
+        return new JsBlock([
+            $grid->jsReload(),
+            $form->jsSuccess(),
+        ]);
+    });
+});
 
 // Setting ipp with an array will add an ItemPerPageSelector to paginator.
 $grid->setIpp([10, 100, 1000]);

src/Grid.php

@@ -52,7 +52,7 @@ class Grid extends View
     public $actionButtons;
 
     /**
-     * Calling addAction will add a new column inside $table with dropdown menu,
+     * Calling addActionMenuItem will add a new column inside $table with dropdown menu,
      * and will be re-used for next addActionMenuItem().
      *
      * @var Table\Column|null
@@ -386,7 +386,7 @@ private function getActionButtons(): Table\Column\ActionButtons
     }
 
     /**
-     * Similar to addAction. Will add Button that when click will display
+     * Similar to addActionButton. Will add Button that when click will display
      * a Dropdown menu.
      *
      * @param View|string                           $view
@@ -498,8 +498,8 @@ public function addPopup($columnName, $popup = null, $icon = 'caret square down'
     }
 
     /**
-     * Similar to addAction but when button is clicked, modal is displayed
-     * with the $title and $callback is executed through VirtualPage.
+     * Similar to addActionButton but when button is clicked, modal is displayed
+     * with the $title and $callback is executed.
      *
      * @param string|array|View                 $button
      * @param string                            $title
@@ -513,6 +513,60 @@ public function addModalAction($button, $title, \Closure $callback, $args = [])
         return $this->getActionButtons()->addModal($button, $title, $callback, $this, $args);
     }
 
+    /**
+     * @return list<string>
+     */
+    private function explodeSelectionValue(string $value): array
+    {
+        return $value === '' ? [] : explode(',', $value);
+    }
+
+    /**
+     * Similar to addActionButton but apply to a multiple records selection and display in menu.
+     * When menu item is clicked, $callback is executed.
+     *
+     * @param string|array|MenuItem                               $item
+     * @param \Closure(Js\Jquery, list<string>): JsExpressionable $callback
+     * @param array                                               $args     extra URL argument for callback
+     *
+     * @return View
+     */
+    public function addBulkAction($item, \Closure $callback, $args = [])
+    {
+        $menuItem = $this->menu->addItem($item);
+        $menuItem->on('click', function (Js\Jquery $j, string $value) use ($callback) {
+            return $callback($j, $this->explodeSelectionValue($value));
+        }, [$this->selection->jsChecked()]);
+
+        return $menuItem;
+    }
+
+    /**
+     * Similar to addModalAction but apply to a multiple records selection and display in menu.
+     * When menu item is clicked, modal is displayed with the $title and $callback is executed.
+     *
+     * @param string|array|MenuItem              $item
+     * @param string                             $title
+     * @param \Closure(View, list<string>): void $callback
+     * @param array                              $args     extra URL argument for callback
+     *
+     * @return View
+     */
+    public function addModalBulkAction($item, $title, \Closure $callback, $args = [])
+    {
+        $modalDefaults = is_string($title) ? ['title' => $title] : []; // @phpstan-ignore-line
+
+        $modal = Modal::addTo($this->getOwner(), $modalDefaults);
+        $modal->set(function (View $t) use ($callback) {
+            $callback($t, $this->explodeSelectionValue($t->stickyGet($this->name) ?? ''));
+        });
+
+        $menuItem = $this->menu->addItem($item);
+        $menuItem->on('click', $modal->jsShow(array_merge([$this->name => $this->selection->jsChecked()], $args)));
+
+        return $menuItem;
+    }
+
     /**
      * Get sortBy value from URL parameter.
      */

src/Table/Column/ActionButtons.php

@@ -85,7 +85,7 @@ public function addButton($button, $action = null, string $confirmMsg = '', $isD
      */
     public function addModal($button, $defaults, \Closure $callback, $owner = null, $args = [])
     {
-        if ($owner === null) {
+        if ($owner === null) { // TODO explicit owner should not be needed
             $owner = $this->getOwner()->getOwner();
         }
 

tests-behat/grid.feature

@@ -76,3 +76,26 @@ Feature: Grid
     Then I should see "Andorra"
     Then I should see "China"
     Then I should see "Zambia"
+
+  Scenario: Bulk action
+    Given I am on "collection/grid.php"
+    Then I press button "Show selected"
+    Then Toast display should contain text "Selected: #"
+    When I click using selector "//tr[5]//div.ui.checkbox"
+    When I click using selector "//tr[8]//div.ui.checkbox"
+    Then I press button "Show selected"
+    Then Toast display should contain text "Selected: 5, 8#"
+
+  Scenario: Bulk modal action
+    Given I am on "collection/grid.php"
+    Then I press button "Delete selected"
+    Then Modal is open with text "The selected records will be permanently deleted: #"
+    Then I press button "Delete"
+    Then I should see "Success"
+    Then I click close modal
+    When I click using selector "//tr[5]//div.ui.checkbox"
+    When I click using selector "//tr[8]//div.ui.checkbox"
+    Then I press button "Delete selected"
+    Then Modal is open with text "The selected records will be permanently deleted: 5, 8#"
+    Then I press button "Delete"
+    Then I should see "Success"