SilverStripe:将组件添加到GridField中，将它们分组到一个div (工具栏)中

<?php
use SilverStripe\Forms\GridField\GridField;
use SilverStripe\Forms\GridField\GridFieldConfig_RecordEditor;
use SilverStripe\Forms\GridField\GridFieldComponent;
use SilverStripe\Forms\GridField\GridField_HTMLProvider;

class CustomGridFieldComponent implements GridField_HTMLProvider, GridField_ColumnProvider
{
    public function getColumnAttributes($gridField, $record, $columnName)
    {
        return ['class' => 'custom-column'];
    }

    public function getColumnContent($gridField, $record, $columnName)
    {
        // 返回组件内容的HTML字符串
        return '<button class="custom-button">Custom Button</button>';
    }

    public function getHTMLFragments($gridField)
    {
        // 将组件分组到一个div中，并添加所需的CSS类
        $html = '<div class="custom-toolbar">';
        $html .= '<button class="custom-button">Custom Button</button>';
        $html .= '</div>';

        return [
            'before' => null,
            'after' => null,
            'field' => $html,
            'grid' => null,
        ];
    }
}

$config = GridFieldConfig_RecordEditor::create();
$config->addComponent(new CustomGridFieldComponent());

$gridField = new GridField('MyGridField', 'My Grid Field', $dataList, $config);