public function content()
    {
        global $CONFIG;
        if (empty($this->_data->activity)) {
            return BootstrapHelper::alert('info', Lang::get('event:noactivity'), Lang::get('event:noactivity:message'));
        }
        //check if there is a next page (page count starts at 0 thus the +1)
        $this->_data->page + 1 < ActivityModel::pages() ? $next = true : ($next = false);
        $activity_table_content = '';
        foreach ($this->_data->activity as $entry) {
            $activity_table_content .= '<tr>
			<td>' . $entry->id . '</td>
			<td><span class="label ' . BootstrapHelper::get_label_for_action($entry->action) . '">' . BootstrapHelper::get_event_description($entry->action) . '</span></td>
			<td>' . Lang::get('dayofweek' . date('N', $entry->timestamp)) . '</td>
			<td>' . date('d/m/Y', $entry->timestamp) . '</td>
			<td>' . date('G:i:s', $entry->timestamp) . '</td>
			<td>' . utf8_encode($entry->firstname) . '</td>
			<td>' . utf8_encode($entry->lastname) . '</td>
			<td><a href="' . $CONFIG->wwwroot . '/admin/users/' . $entry->userid . '/details">' . $entry->identifier . '</a></td>
			</tr>
			';
        }
        return '
		<section id="activity" class="well">
		<table class="table">
		<thead>
		<tr>
		<th>#</th>
		<th>' . Lang::get('action') . '</th>
		<th>' . Lang::get('day') . '</th>
		<th>' . Lang::get('date') . '</th>
		<th>' . Lang::get('time') . '</th>
		<th>' . Lang::get('firstname') . '</th>
		<th>' . Lang::get('lastname') . '</th>
		<th>' . Lang::get('identifier') . '</th>
		</tr>
		</thead>
		<tbody>' . $activity_table_content . '
		</tbody>
		</table>
		' . MenuHelper::get_pagination_links($CONFIG->wwwroot . '/admin/activity/', $this->_data->page, $next) . '
		<div class="container"></div>
		</section>';
    }