Tools.php

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<?php

namespace Elgg\Groups;

use Elgg\Collections\Collection;
use Elgg\EventsService;

class Tools {

    protected $tools;

    protected $events;

    public function __construct(EventsService $events) {
        $this->tools = new Collection([], Tool::class);
        $this->events = $events;
    }

    public function register($name, array $options = []) {
        $tool = new Tool($name, $options);

        $this->tools->add($tool);
    }

    public function unregister($name) {
        $this->tools->remove($name);
    }

    public function get($name) {
        return $this->all()->get($name);
    }

    public function all() {
        $tool_options = clone $this->tools;
        
        return $this->events->triggerResults('tool_options', 'group', [], $tool_options);
    }

    public function group(\ElggGroup $group) {

        $tool_options = clone $this->tools;

        $params = [
            'entity' => $group,
        ];

        return $this->events->triggerResults('tool_options', 'group', $params, $tool_options);
    }
}