Admin_categories_module::index PHP Метод

    public function index($module = array())
    {
        $this->lang->load('categories_module/categories_module');
        $this->user->restrict('Module.CategoriesModule');
        if (!empty($module)) {
            $title = isset($module['title']) ? $module['title'] : $this->lang->line('_text_title');
            $this->template->setTitle('Module: ' . $title);
            $this->template->setHeading('Module: ' . $title);
            $this->template->setButton($this->lang->line('button_save'), array('class' => 'btn btn-primary', 'onclick' => '$(\'#edit-form\').submit();'));
            $this->template->setButton($this->lang->line('button_save_close'), array('class' => 'btn btn-default', 'onclick' => 'saveClose();'));
            $this->template->setButton($this->lang->line('button_icon_back'), array('class' => 'btn btn-default', 'href' => site_url('extensions')));
            if (isset($ext_data['fixed_categories'])) {
                $data['fixed_categories'] = $ext_data['fixed_categories'];
            } else {
                if ($this->input->post('fixed_categories')) {
                    $data['fixed_categories'] = $this->input->post('fixed_categories');
                } else {
                    $data['fixed_categories'] = '1';
                }
            }
            if (isset($ext_data['fixed_top_offset'])) {
                $data['fixed_top_offset'] = $ext_data['fixed_top_offset'];
            } else {
                if ($this->input->post('fixed_top_offset')) {
                    $data['fixed_top_offset'] = $this->input->post('fixed_top_offset');
                } else {
                    $data['fixed_top_offset'] = '350';
                }
            }
            if (isset($ext_data['fixed_bottom_offset'])) {
                $data['fixed_bottom_offset'] = $ext_data['fixed_bottom_offset'];
            } else {
                if ($this->input->post('fixed_bottom_offset')) {
                    $data['fixed_bottom_offset'] = $this->input->post('fixed_bottom_offset');
                } else {
                    $data['fixed_bottom_offset'] = '320';
                }
            }
            if ($this->input->post() and $this->_updateModule() === TRUE) {
                if ($this->input->post('save_close') === '1') {
                    redirect('extensions');
                }
                redirect('extensions/edit/module/categories_module');
            }
            return $this->load->view('categories_module/admin_categories_module', $data, TRUE);
        }
    }