MailGlobalScreenToolProvider.php

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<?php declare(strict_types=1);

use ILIAS\GlobalScreen\Scope\Tool\Provider\AbstractDynamicToolProvider;

class MailGlobalScreenToolProvider extends AbstractDynamicToolProvider
{
    const SHOW_MAIL_FOLDERS_TOOL = 'show_mail_folders_tool';


    public function isInterestedInContexts() : \ILIAS\GlobalScreen\ScreenContext\Stack\ContextCollection
    {
        return $this->context_collection->main()->repository()->administration();
    }


    public function getToolsForContextStack(\ILIAS\GlobalScreen\ScreenContext\Stack\CalledContexts $called_contexts) : array
    {
        $identification = function ($id) {
            return $this->identification_provider->contextAwareIdentifier($id);
        };

        $tools = [];

        $additional_data = $called_contexts->getLast()->getAdditionalData();
        if ($additional_data->exists(self::SHOW_MAIL_FOLDERS_TOOL) && $additional_data->get(self::SHOW_MAIL_FOLDERS_TOOL) === true) {
            $title = $this->dic->language()->txt('mail_folders');
            $icon = $this->dic->ui()->factory()->symbol()->icon()->standard('mail', $title)->withIsOutlined(true);

            $tools[] = $this->factory
                ->tool($identification('mail_folders_tree'))
                ->withTitle($title)
                ->withSymbol($icon)
                ->withContentWrapper(function () {
                    $exp = new ilMailExplorer(new ilMailGUI(), $this->dic->user()->getId());

                    return $this->dic->ui()->factory()->legacy($exp->getHTML(true));
                });
        }

        return $tools;
    }
}