[6.x] Make actions available in a collection tree view

[Devsome]

Hello everyone,

First of all, thank you for Statamic 6. After someone on Discord pointed me to Issue 575 and I saw the other pull requests 4070 & 4439, I decided to give it a try and follow the contribution guidelines.

Procedure:

• Created a new blank project
• Forked Statamic 6 and linked it locally in composer.json
• Ran npm ci && npm run build in the statamic/cms project
• Ran ddev artisan vendor:publish --tag=statamic-cp --force && ddev yarn build && ddev artisan optimize:clear
• Created a custom action ddev artisan statamic:make:action

If I've forgotten anything or something is missing, please let me know. Even if it isn't accepted, as stated in the Contribution Guidelines, it might still be helpful to others who need it.

This is what my custom action looks like

<?php

namespace App\Actions;

use Illuminate\Support\Facades\Log;
use Statamic\Actions\Action;

class CustomActionInTreeView extends Action
{
    protected $icon = 'add-item';
    protected $confirm = false;

    /**
     * The run method
     *
     * @return mixed
     */
    public function run($items, $values)
    {
        Log::info('Custom Action in Tree View executed', [
            'items' => $items,
            'values' => $values,
        ]);
    }

    public static function title(): string
    {
        return 'Custom Action in Tree View';
    }

    public function visibleTo($item): bool
    {
        $view = $this->context['view'] ?? 'list';
        return $view === 'tree';
    }
}

How it looks like in the TreeView:

How it looks like in the ListView: