icingaweb2/modules/monitoring/library/Monitoring/Hook/DetailviewExtensionHook.php

<?php
/* Icinga Web 2 | (c) 2017 Icinga Development Team | GPLv2+ */

namespace Icinga\Module\Monitoring\Hook;

use Icinga\Module\Monitoring\Object\MonitoredObject;
use Icinga\Web\View;

/**
 * Base class for hooks extending the detail view of monitored objects
 *
 * Extend this class if you want to extend the detail view of monitored objects with custom HTML.
 */
abstract class DetailviewExtensionHook
{
    /**
     * The view the generated HTML will be included in
     *
     * @var View
     */
    private $view;

    /**
     * Create a new hook
     *
     * @see init() For hook initialization.
     */
    final public function __construct()
    {
        $this->init();
    }

    /**
     * Overwrite this function for hook initialization, e.g. loading the hook's config
     */
    protected function init()
    {
    }

    /**
     * Shall return valid HTML to include in the detail view
     *
     * @param   MonitoredObject $object     The object to generate HTML for
     *
     * @return  string
     */
    abstract public function getHtmlForObject(MonitoredObject $object);

    /**
     * Get {@link view}
     *
     * @return View
     */
    public function getView()
    {
        return $this->view;
    }

    /**
     * Set {@link view}
     *
     * @param   View $view
     *
     * @return  $this
     */
    public function setView($view)
    {
        $this->view = $view;
        return $this;
    }
}