Ingo_Basic_Forward::_init PHP Method

    protected function _init()
    {
        global $injector, $notification;
        /* Redirect if forward is not available. */
        $this->_assertCategory('Ingo_Rule_System_Forward', _("Forward"));
        if ($this->vars->submitbutton == _("Return to Rules List")) {
            Ingo_Basic_Filters::url()->redirect();
        }
        /* Get the forward object and rule. */
        $ingo_storage = $injector->getInstance('Ingo_Factory_Storage')->create();
        $forward = $ingo_storage->getSystemRule('Ingo_Rule_System_Forward');
        /* Build form. */
        $form = new Ingo_Form_Forward($this->vars);
        /* Perform requested actions. Ingo_Form_Forward does token checking
         * for us. */
        if ($form->validate($this->vars)) {
            $forward->addresses = $this->vars->addresses;
            $forward->keep = $this->vars->keep_copy == 'on';
            try {
                if ($this->vars->submitbutton == _("Save and Enable")) {
                    $forward->disable = true;
                    $notify = _("Rule Enabled");
                } elseif ($this->vars->submitbutton == _("Save and Disable")) {
                    $forward->disable = false;
                    $notify = _("Rule Disabled");
                } else {
                    $notify = _("Changes saved.");
                }
                $ingo_storage->updateRule($forward);
                $notification->push($notify, 'horde.success');
                $injector->getInstance('Ingo_Factory_Script')->activateAll();
            } catch (Ingo_Exception $e) {
                $notification->push($e);
            }
        }
        /* Add buttons depending on the above actions. */
        $form->setCustomButtons($forward->disable);
        /* Set default values. */
        if (!$form->isSubmitted()) {
            $this->vars->keep_copy = $forward->keep;
            $this->vars->addresses = implode("\n", $forward->addresses);
        }
        /* Set form title. */
        $form_title = _("Forward");
        if ($forward->disable) {
            $form_title .= ' [<span class="horde-form-error">' . _("Disabled") . '</span>]';
        }
        $form_title .= ' ' . Horde_Help::link('ingo', 'forward');
        $form->setTitle($form_title);
        $this->header = _("Forwards Edit");
        Horde::startBuffer();
        Horde_Util::pformInput();
        $form->renderActive(new Horde_Form_Renderer(array('encode_title' => false, 'varrenderer_driver' => array('ingo', 'ingo'))), $this->vars, self::url(array('append_session' => -1)), 'post');
        $this->output = Horde::endBuffer();
    }