PHP Display::div方法代码示例

 /**
  * Generate a label if the user has been  registered in session
  * @return string The label
  */
 public function getAlreadyRegisteredInSessionLabel()
 {
     $icon = '<em class="fa fa-smile-o"></em>';
     return Display::div($icon . ' ' . get_lang("AlreadyRegisteredToSession"), array('class' => 'info-catalog'));
 }

$minutes = 60;
$url = api_get_path(WEB_AJAX_PATH) . 'exercise.ajax.php?a=get_live_stats&exercise_id=' . $objExercise->id . '&minutes=' . $minutes;
//The order is important you need to check the the $column variable in the model.ajax.php file
$columns = array(get_lang('FirstName'), get_lang('LastName'), get_lang('Time'), get_lang('QuestionsAlreadyAnswered'), get_lang('Score'));
//Column config
$column_model = array(array('name' => 'firstname', 'index' => 'firstname', 'width' => '100', 'align' => 'left'), array('name' => 'lastname', 'index' => 'lastname', 'width' => '100', 'align' => 'left'), array('name' => 'start_date', 'index' => 'start_date', 'width' => '100', 'align' => 'left'), array('name' => 'question', 'index' => 'count_questions', 'width' => '60', 'align' => 'left', 'sortable' => 'false'), array('name' => 'score', 'index' => 'score', 'width' => '50', 'align' => 'left', 'sortable' => 'false'));
//Autowidth
$extra_params['autowidth'] = 'true';
//height auto
$extra_params['height'] = 'auto';
?>
<script>

function refreshGrid() {
    var grid = $("#live_stats");
    grid.trigger("reloadGrid");
    t = setTimeout("refreshGrid()", 10000);
}

$(function() {
    <?php 
echo Display::grid_js('live_stats', $url, $columns, $column_model, $extra_params, array(), null, true);
?>
    refreshGrid();
});
</script>
<?php 
$actions = '<a href="exercise_report.php?exerciseId=' . intval($_GET['exerciseId']) . '&' . api_get_cidreq() . '">' . Display::return_icon('back.png', get_lang('GoBackToQuestionList'), '', ICON_SIZE_MEDIUM) . '</a>';
echo $actions = Display::div($actions, array('class' => 'actions'));
echo Display::grid_html('live_stats');
Display::display_footer();

 /**
  * Returns the category form.
  * @param Exercise $exercise_obj
  * @return string
  */
 public function returnCategoryForm(Exercise $exercise_obj)
 {
     $categories = $this->getListOfCategoriesForTest($exercise_obj);
     $saved_categories = $exercise_obj->get_categories_in_exercise();
     $return = null;
     if (!empty($categories)) {
         $nbQuestionsTotal = $exercise_obj->getNumberQuestionExerciseCategory();
         $exercise_obj->setCategoriesGrouping(true);
         $real_question_count = count($exercise_obj->getQuestionList());
         $warning = null;
         if ($nbQuestionsTotal != $real_question_count) {
             $warning = Display::return_message(get_lang('CheckThatYouHaveEnoughQuestionsInYourCategories'), 'warning');
         }
         $return .= $warning;
         $return .= '<table class="data_table">';
         $return .= '<tr>';
         $return .= '<th height="24">' . get_lang('Categories') . '</th>';
         $return .= '<th width="70" height="24">' . get_lang('Number') . '</th></tr>';
         foreach ($categories as $category) {
             $cat_id = $category['iid'];
             $return .= '<tr>';
             $return .= '<td>';
             $return .= Display::div($category['parent_path']);
             $return .= '</td>';
             $return .= '<td>';
             $value = isset($saved_categories) && isset($saved_categories[$cat_id]) ? $saved_categories[$cat_id]['count_questions'] : -1;
             $return .= '<input name="category[' . $cat_id . ']" value="' . $value . '" />';
             $return .= '</td>';
             $return .= '</tr>';
         }
         $return .= '</table>';
         $return .= get_lang('ZeroMeansNoQuestionWillBeSelectedMinusOneMeansThatAllQuestionsWillBeSelected');
         return $return;
     }
 }

 /**
  * Displays messages of a group with nested view
  * @param $group_id
  * @param $topic_id
  * @param $is_member
  * @param $message_id
  * @return string
  */
 public static function display_message_for_group($group_id, $topic_id, $is_member, $message_id)
 {
     global $my_group_role;
     $main_message = self::get_message_by_id($topic_id);
     if (empty($main_message)) {
         return false;
     }
     $rows = self::get_messages_by_group_by_message($group_id, $topic_id);
     $rows = self::calculate_children($rows, $topic_id);
     $current_user_id = api_get_user_id();
     $items_per_page = 50;
     $query_vars = array('id' => $group_id, 'topic_id' => $topic_id, 'topics_page_nr' => 0);
     // Main message
     $links = '';
     $main_content = '';
     $items_page_nr = null;
     $html = '';
     $delete_button = '';
     if (api_is_platform_admin()) {
         $delete_button = Display::url(Display::return_icon('delete.png', get_lang('Delete'), array(), ICON_SIZE_SMALL), 'group_topics.php?action=delete&id=' . $group_id . '&topic_id=' . $topic_id);
     }
     $html .= Display::page_subheader(Security::remove_XSS($main_message['title'] . $delete_button, STUDENT, true));
     $user_sender_info = api_get_user_info($main_message['user_sender_id']);
     $files_attachments = self::get_links_message_attachment_files($main_message['id']);
     $name = $user_sender_info['complete_name'];
     $topic_page_nr = isset($_GET['topics_page_nr']) ? intval($_GET['topics_page_nr']) : null;
     $links .= '<div id="message-reply-link">';
     if ($my_group_role == GROUP_USER_PERMISSION_ADMIN || $my_group_role == GROUP_USER_PERMISSION_MODERATOR || $main_message['user_sender_id'] == $current_user_id) {
         $urlEdit = api_get_path(WEB_CODE_PATH);
         $urlEdit .= 'social/message_for_group_form.inc.php?';
         $urlEdit .= http_build_query(['user_friend' => $current_user_id, 'group_id' => $group_id, 'message_id' => $main_message['id'], 'action' => 'edit_message_group', 'anchor_topic' => 'topic_' . $main_message['id'], 'topics_page_nr' => $topic_page_nr, 'items_page_nr' => $items_page_nr, 'topic_id' => $main_message['id']]);
         $links .= Display::url(Display::return_icon('edit.png', get_lang('Edit'), array(), ICON_SIZE_SMALL), $urlEdit, ['class' => 'ajax btn btn-default', 'title' => get_lang('Edit'), 'data-title' => get_lang('Edit'), 'data-size' => 'lg']);
     }
     $urlReply = api_get_path(WEB_CODE_PATH);
     $urlReply .= 'social/message_for_group_form.inc.php?';
     $urlReply .= http_build_query(['user_friend' => api_get_user_id(), 'group_id' => $group_id, 'message_id' => $main_message['id'], 'action' => 'reply_message_group', 'anchor_topic' => 'topic_' . $main_message['id'], 'topics_page_nr' => $topic_page_nr, 'topic_id' => $main_message['id']]);
     $links .= Display::url(Display::return_icon('talk.png', get_lang('Reply')), $urlReply, ['class' => 'ajax btn btn-default', 'title' => get_lang('Reply'), 'data-title' => get_lang('Reply'), 'data-size' => 'lg']);
     $links .= '</div>';
     $userPicture = $user_sender_info['avatar'];
     $main_content .= '<div class="message-group-author">
                      <img src="' . $userPicture . '" alt="' . $name . '"  width="32" height="32" title="' . $name . '" /></div>';
     $user_link = '<a href="' . api_get_path(WEB_PATH) . 'main/social/profile.php?u=' . $main_message['user_sender_id'] . '">' . $name . '&nbsp;</a>';
     $date = '';
     if ($main_message['send_date'] != $main_message['update_date']) {
         if (!empty($main_message['update_date']) && $main_message['update_date'] != '0000-00-00 00:00:00') {
             $date = '<div class="message-group-date"> ' . get_lang('LastUpdate') . ' ' . date_to_str_ago($main_message['update_date']) . '</div>';
         }
     } else {
         $date = '<div class="message-group-date"> ' . get_lang('Created') . ' ' . date_to_str_ago($main_message['send_date']) . '</div>';
     }
     $attachment = '<div class="message-attach">' . (!empty($files_attachments) ? implode('<br />', $files_attachments) : '') . '</div>';
     $main_content .= '<div class="message-group-content">' . $links . $user_link . ' ' . $date . $main_message['content'] . $attachment . '</div>';
     $main_content = Security::remove_XSS($main_content, STUDENT, true);
     $html .= Display::div(Display::div(Display::div($main_content, array('class' => 'group_social_sub_item', 'style' => 'background-color:#fff;')), array('class' => 'group_social_item')), array('class' => 'group_social_grid'));
     $topic_id = $main_message['id'];
     if (is_array($rows) && count($rows) > 0) {
         $topics = $rows;
         $array_html_items = array();
         foreach ($topics as $index => $topic) {
             if (empty($topic['id'])) {
                 continue;
             }
             $items_page_nr = isset($_GET['items_' . $topic['id'] . '_page_nr']) ? intval($_GET['items_' . $topic['id'] . '_page_nr']) : null;
             $links = '';
             $html_items = '';
             $user_sender_info = api_get_user_info($topic['user_sender_id']);
             $files_attachments = self::get_links_message_attachment_files($topic['id']);
             $name = $user_sender_info['complete_name'];
             $links .= '<div id="message-reply-link">';
             if ($my_group_role == GROUP_USER_PERMISSION_ADMIN || $my_group_role == GROUP_USER_PERMISSION_MODERATOR || $topic['user_sender_id'] == $current_user_id) {
                 $links .= '<a href="' . api_get_path(WEB_CODE_PATH) . 'social/message_for_group_form.inc.php?height=400&width=800&&user_friend=' . $current_user_id . '&group_id=' . $group_id . '&message_id=' . $topic['id'] . '&action=edit_message_group&anchor_topic=topic_' . $topic_id . '&topics_page_nr=' . $topic_page_nr . '&items_page_nr=' . $items_page_nr . '&topic_id=' . $topic_id . '" class="ajax btn" data-size="lg" data-title="' . get_lang('Edit') . '" title="' . get_lang('Edit') . '">' . Display::return_icon('edit.png', get_lang('Edit'), array(), ICON_SIZE_SMALL) . '</a>';
             }
             $links .= '&nbsp;&nbsp;<a href="' . api_get_path(WEB_CODE_PATH) . 'social/message_for_group_form.inc.php?height=400&width=800&&user_friend=' . api_get_user_id() . '&group_id=' . $group_id . '&message_id=' . $topic['id'] . '&action=reply_message_group&anchor_topic=topic_' . $topic_id . '&topics_page_nr=' . $topic_page_nr . '&items_page_nr=' . $items_page_nr . '&topic_id=' . $topic_id . '" class="ajax btn" data-size="lg" data-title="' . get_lang('Reply') . '" title="' . get_lang('Reply') . '">';
             $links .= Display::return_icon('talk.png', get_lang('Reply')) . '</a>';
             $links .= '</div>';
             $userPicture = $user_sender_info['avatar'];
             $html_items .= '<div class="message-group-author"><img src="' . $userPicture . '" alt="' . $name . '"  width="32" height="32" title="' . $name . '" /></div>';
             $user_link = '<a href="' . api_get_path(WEB_PATH) . 'main/social/profile.php?u=' . $topic['user_sender_id'] . '">' . $name . '&nbsp;</a>';
             $date = '';
             if ($topic['send_date'] != $topic['update_date']) {
                 if (!empty($topic['update_date']) && $topic['update_date'] != '0000-00-00 00:00:00') {
                     $date = '<div class="message-group-date"> ' . get_lang('LastUpdate') . ' ' . date_to_str_ago($topic['update_date']) . '</div>';
                 }
             } else {
                 $date = '<div class="message-group-date"> ' . get_lang('Created') . ' ' . date_to_str_ago($topic['send_date']) . '</div>';
             }
             $attachment = '<div class="message-attach">' . (!empty($files_attachments) ? implode('<br />', $files_attachments) : '') . '</div>';
             $html_items .= '<div class="message-group-content">' . $links . $user_link . ' ' . $date . Security::remove_XSS($topic['content'], STUDENT, true) . $attachment . '</div>';
             $base_padding = 20;
             if ($topic['indent_cnt'] == 0) {
                 $indent = $base_padding;
             } else {
//.........这里部分代码省略.........

    // if course is public, go to course without auth
    $tab_course_info = api_get_course_info($firstpage);
    api_set_firstpage_parameter($firstpage);
    $tpl = new Template(null, 1, 1);
    $action = api_get_self() . '?' . Security::remove_XSS($_SERVER['QUERY_STRING']);
    $action = str_replace('&', '&', $action);
    $form = new FormValidator('formLogin', 'post', $action, null, array('class' => 'form-stacked'));
    $form->addElement('text', 'login', null, array('placeholder' => get_lang('UserName'), 'class' => 'span3 autocapitalize_off'));
    //new
    $form->addElement('password', 'password', null, array('placeholder' => get_lang('Password'), 'class' => 'span3'));
    //new
    $form->addElement('style_submit_button', 'submitAuth', get_lang('LoginEnter'), array('class' => 'btn span3'));
    // see same text in main_api.lib.php function api_not_allowed
    if (api_is_cas_activated()) {
        $msg .= Display::return_message(sprintf(get_lang('YouHaveAnInstitutionalAccount'), api_get_setting("Institution")), '', false);
        $msg .= Display::div("<br/><a href='" . get_cas_direct_URL(api_get_course_id()) . "'>" . getCASLogoHTML() . " " . sprintf(get_lang('LoginWithYourAccount'), api_get_setting("Institution")) . "</a><br/><br/>", array('align' => 'center'));
        $msg .= Display::return_message(get_lang('YouDontHaveAnInstitutionAccount'));
        $msg .= "<p style='text-align:center'><a href='#' onclick='\$(this).parent().next().toggle()'>" . get_lang('LoginWithExternalAccount') . "</a></p>";
        $msg .= "<div style='display:none;'>";
    }
    $msg .= '<div class="well_login">';
    $msg .= $form->return_form();
    $msg .= '</div>';
    if (api_is_cas_activated()) {
        $msg .= "</div>";
    }
    $msg .= '<hr/><p style="text-align:center"><a href="' . api_get_path(WEB_PATH) . '">' . get_lang('ReturnToCourseHomepage') . '</a></p>';
    $tpl->assign('content', '<h4>' . get_lang('LoginToGoToThisCourse') . '</h4>' . $msg);
    $tpl->display_one_col_template();
} else {
    api_delete_firstpage_parameter();

        $result['description'] = Security::remove_XSS($result['description'], STUDENT, true);
        $id = $result['id'];
        $url_open = '<a href="group_view.php?id=' . $id . '">';
        $url_close = '</a>';
        $count_users_group = count($usergroup->get_users_by_group($id, false, array(GROUP_USER_PERMISSION_ADMIN, GROUP_USER_PERMISSION_READER, GROUP_USER_PERMISSION_MODERATOR), 0, 1000));
        if ($count_users_group == 1) {
            $count_users_group = $count_users_group . ' ' . get_lang('Member');
        } else {
            $count_users_group = $count_users_group . ' ' . get_lang('Members');
        }
        $name = cut($result['name'], GROUP_TITLE_LENGTH, true);
        $picture = $usergroup->get_picture_group($result['id'], $result['picture'], 80);
        $result['picture'] = '<img class="social-groups-image" src="' . $picture['file'] . '" />';
        $item_0 = Display::div($result['picture'], array('class' => 'box_description_group_image'));
        $members = Display::span($count_users_group, array('class' => 'box_description_group_member'));
        $item_1 = Display::div(Display::tag('h4', $url_open . $name . $url_close) . $members, array('class' => 'box_description_group_title'));
        if ($result['description'] != '') {
            $item_3 = '<div class="box_description_group_content" >' . cut($result['description'], 100, true) . '</div>';
        } else {
            $item_2 = '<div class="box_description_group_title" ><span class="social-groups-text2"></span></div>';
            $item_3 = '<div class="box_description_group_content" ></div>';
        }
        $join_url = '';
        if (!in_array($id, $my_group_list)) {
            $join_url = '<a class="btn" href="group_view.php?id=' . $id . '&action=join&u=' . api_get_user_id() . '">' . get_lang('JoinGroup') . '</a> ';
        }
        $item_4 = '<div class="box_description_group_actions" >' . $join_url . '</div>';
        $grid_item_2 = $item_0 . $item_1 . $item_2 . $item_3 . $item_4;
        $grid_pop_groups[] = array($grid_item_2);
    }
}

 function print_recursive($elements, $default_data, $default_content)
 {
     $return = '';
     foreach ($elements as $key => $item) {
         if (isset($item['load_data']) || empty($item['data'])) {
             $item['data'] = $default_data[$item['load_data']];
             $item['type'] = $default_content[$item['load_data']]['item_type'];
         }
         $sub_list = '';
         if (isset($item['type']) && $item['type'] == 'dokeos_chapter') {
             $sub_list = Display::tag('li', '', array('class' => 'sub_item empty'));
             // empty value
         }
         if (empty($item['children'])) {
             $sub_list = Display::tag('ul', $sub_list, array('id' => 'UL_' . $key, 'class' => 'record li_container'));
             $active = null;
             if (isset($_REQUEST['id']) && $key == $_REQUEST['id']) {
                 $active = 'active';
             }
             $return .= Display::tag('li', Display::div($item['data'], array('class' => "item_data {$active}")) . $sub_list, array('id' => $key, 'class' => 'record li_container'));
         } else {
             //sections
             if (isset($item['children'])) {
                 $data = self::print_recursive($item['children'], $default_data, $default_content);
             }
             $sub_list = Display::tag('ul', $sub_list . $data, array('id' => 'UL_' . $key, 'class' => 'record li_container'));
             $return .= Display::tag('li', Display::div($item['data'], array('class' => 'item_data')) . $sub_list, array('id' => $key, 'class' => 'record li_container'));
         }
     }
     return $return;
 }

 /**
  * @param int $user_id
  * @param $filter
  * @param bool $load_dirs
  * @param int $getCount
  * @param int $start
  * @param null $maxPerPage
  * @return null|string
  */
 public static function displayCourses($user_id, $filter, $load_dirs, $getCount, $start = null, $maxPerPage = null)
 {
     // Table definitions
     $TABLECOURS = Database::get_main_table(TABLE_MAIN_COURSE);
     $TABLECOURSUSER = Database::get_main_table(TABLE_MAIN_COURSE_USER);
     $TABLE_ACCESS_URL_REL_COURSE = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
     $current_url_id = api_get_current_access_url_id();
     // Get course list auto-register
     $special_course_list = self::get_special_course_list();
     $without_special_courses = '';
     if (!empty($special_course_list)) {
         //$without_special_courses = ' AND course.code NOT IN ("'.implode('","',$special_course_list).'")';
     }
     $select = " SELECT DISTINCT\n                    course.id,\n                    course.title,\n                    course.code,\n                    course.subscribe subscr,\n                    course.unsubscribe unsubscr,\n                    course_rel_user.status status,\n                    course_rel_user.sort sort,\n                    course_rel_user.user_course_cat user_course_cat,\n                    course.id as real_id\n        ";
     $from = "{$TABLECOURS} course, {$TABLECOURSUSER}  course_rel_user, {$TABLE_ACCESS_URL_REL_COURSE} url ";
     $where = "  course.id = course_rel_user.c_id AND\n                    url.c_id = course.id AND\n                    course_rel_user.user_id = '" . $user_id . "' AND\n                    course_rel_user.user_course_cat = 0\n                    ";
     $order = " ORDER BY course_rel_user.user_course_cat, course_rel_user.sort ASC";
     if ($getCount) {
         $select = "SELECT count(course.id) as total";
     }
     $sql = "{$select} FROM {$from} WHERE {$where} {$without_special_courses} ";
     // corresponding to the current URL.
     if (api_get_multiple_access_url() && $current_url_id != -1) {
         $sql .= " AND url.c_id = course.id AND access_url_id='" . $current_url_id . "'";
     }
     $sql .= $order;
     if (isset($start) && isset($maxPerPage)) {
         $start = intval($start);
         $maxPerPage = intval($maxPerPage);
         $limitCondition = " LIMIT {$start}, {$maxPerPage}";
         $sql .= $limitCondition;
     }
     if ($getCount) {
         $result = Database::query($sql);
         $row = Database::fetch_array($result);
         return $row['total'];
     }
     $result = Database::query($sql);
     $html = null;
     $course_list = array();
     // Browse through all courses.
     while ($course = Database::fetch_array($result)) {
         $course_info = api_get_course_info($course['code']);
         $course_info['id_session'] = null;
         $course_info['status'] = $course['status'];
         //In order to avoid doubles
         if (in_array($course_info['real_id'], $course_list)) {
             continue;
         } else {
             $course_list[] = $course_info['real_id'];
         }
         // For each course, get if there is any notification icon to show
         // (something that would have changed since the user's last visit).
         $show_notification = Display::show_notification($course_info);
         // New code displaying the user's status in respect to this course.
         $status_icon = Display::return_icon('blackboard.png', $course_info['title'], array(), ICON_SIZE_LARGE);
         $params = array();
         $params['right_actions'] = '';
         if (api_is_platform_admin()) {
             if ($load_dirs) {
                 $params['right_actions'] .= '<a id="document_preview_' . $course_info['real_id'] . '_0" class="document_preview" href="javascript:void(0);">' . Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'), ICON_SIZE_SMALL) . '</a>';
                 $params['right_actions'] .= '<a href="' . api_get_path(WEB_CODE_PATH) . 'course_info/infocours.php?cidReq=' . $course['code'] . '">' . Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'), ICON_SIZE_SMALL) . '</a>';
                 $params['right_actions'] .= Display::div('', array('id' => 'document_result_' . $course_info['real_id'] . '_0', 'class' => 'document_preview_container'));
             } else {
                 $params['right_actions'] .= '<a href="' . api_get_path(WEB_CODE_PATH) . 'course_info/infocours.php?cidReq=' . $course['code'] . '">' . Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'), ICON_SIZE_SMALL) . '</a>';
             }
             if ($course_info['status'] == COURSEMANAGER) {
                 //echo Display::return_icon('teachers.gif', get_lang('Status').': '.get_lang('Teacher'), array('style'=>'width: 11px; height: 11px;'));
             }
         } else {
             if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED) {
                 if ($load_dirs) {
                     $params['right_actions'] .= '<a id="document_preview_' . $course_info['real_id'] . '_0" class="document_preview" href="javascript:void(0);">' . Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'), ICON_SIZE_SMALL) . '</a>';
                     $params['right_actions'] .= Display::div('', array('id' => 'document_result_' . $course_info['real_id'] . '_0', 'class' => 'document_preview_container'));
                 } else {
                     if ($course_info['status'] == COURSEMANAGER) {
                         $params['right_actions'] .= '<a href="' . api_get_path(WEB_CODE_PATH) . 'course_info/infocours.php?cidReq=' . $course['code'] . '">' . Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'), ICON_SIZE_SMALL) . '</a>';
                     }
                 }
             }
         }
         $course_title_url = '';
         if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED || $course['status'] == COURSEMANAGER) {
             //$course_title_url = api_get_path(WEB_COURSE_PATH).$course_info['path'].'/index.php?id_session=0';
             $course_title_url = api_get_path(WEB_COURSE_PATH) . $course_info['code'] . '/index.php?id_session=0';
             $course_title = Display::url($course_info['title'], $course_title_url);
         } else {
             $course_title = $course_info['title'] . " " . Display::tag('span', get_lang('CourseClosed'), array('class' => 'item_closed'));
         }
         // Start displaying the course block itself
         if (api_get_setting('course.display_coursecode_in_courselist') == 'true') {
//.........这里部分代码省略.........

        if (count($grid_pop_groups) > 0) {
            $popular_content = Display::return_sortable_grid(
                'mygroups',
                array(),
                $grid_pop_groups,
                array('hide_navigation' => true, 'per_page' => 100),
                $query_vars,
                false,
                array(true, true, true, true, true)
            );
        }
    }

    if (!empty($create_group_item)) {
        $social_right_content .= Display::div(
            $create_group_item,
            array('class' => 'span9')
        );
    }
    $headers = array(
        get_lang('Newest'),
        get_lang('Popular'),
        get_lang('MyGroups')
    );
    $social_right_content .= '<div class="span9">' . Display::tabs(
            $headers,
            array($newest_content, $popular_content, $my_group_content),
            'tab_browse'
        ) . '</div>';
}

$show_message = null;

/**
 * Displays message "You are not allowed here..." and exits the entire script.
 * @param bool   $print_headers    Whether or not to print headers (default = false -> does not print them)
 * @param string $message
 */
function api_not_allowed($print_headers = false, $message = null)
{
    $message = get_lang('NotAllowed');
    throw new Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException($message);
    if (api_get_setting('sso_authentication') === 'true') {
        global $osso;
        if ($osso) {
            $osso->logout();
        }
    }
    $home_url = api_get_path(WEB_PATH);
    $user_id = api_get_user_id();
    $course = api_get_course_id();
    global $this_section;
    if (CustomPages::enabled() && !isset($user_id)) {
        if (empty($user_id)) {
            // Why the CustomPages::enabled() need to be to set the request_uri
            $_SESSION['request_uri'] = $_SERVER['REQUEST_URI'];
        }
        CustomPages::display(CustomPages::INDEX_UNLOGGED);
    }
    $origin = isset($_GET['origin']) ? $_GET['origin'] : '';
    $msg = null;
    if (isset($message)) {
        $msg = $message;
    } else {
        $msg = Display::return_message(get_lang('NotAllowedClickBack') . '<br/><br/><a href="' . $home_url . '">' . get_lang('ReturnToCourseHomepage') . '</a>', 'error', false);
    }
    $msg = Display::div($msg, array('align' => 'center'));
    $show_headers = 0;
    if ($print_headers && $origin != 'learnpath') {
        $show_headers = 1;
    }
    $tpl = new Template(null, $show_headers, $show_headers);
    $tpl->assign('hide_login_link', 1);
    $tpl->assign('content', $msg);
    if ($user_id != 0 && !api_is_anonymous() && (!isset($course) || $course == -1) && empty($_GET['cidReq'])) {
        // if the access is not authorized and there is some login information
        // but the cidReq is not found, assume we are missing course data and send the user
        // to the user_portal
        $tpl->display_one_col_template();
        exit;
    }
    if (!empty($_SERVER['REQUEST_URI']) && (!empty($_GET['cidReq']) || $this_section == SECTION_MYPROFILE || $this_section == SECTION_PLATFORM_ADMIN)) {
        $courseCode = api_get_course_id();
        // Only display form and return to the previous URL if there was a course ID included
        if ($user_id != 0 && !api_is_anonymous()) {
            //if there is a user ID, then the user is not allowed but the session is still there. Say so and exit
            $tpl->assign('content', $msg);
            $tpl->display_one_col_template();
            exit;
        }
        if (!is_null($courseCode)) {
            api_set_firstpage_parameter($courseCode);
        }
        // If the user has no user ID, then his session has expired
        $action = api_get_self() . '?' . Security::remove_XSS($_SERVER['QUERY_STRING']);
        $action = str_replace('&amp;', '&', $action);
        $form = new FormValidator('formLogin', 'post', $action, null, array(), FormValidator::LAYOUT_BOX_NO_LABEL);
        $form->addElement('text', 'login', null, array('placeholder' => get_lang('UserName'), 'class' => 'autocapitalize_off'));
        $form->addElement('password', 'password', null, array('placeholder' => get_lang('Password')));
        $form->addButton('submitAuth', get_lang('LoginEnter'), '', 'primary');
        // see same text in auth/gotocourse.php and main_api.lib.php function api_not_allowed (above)
        $content = Display::return_message(get_lang('NotAllowed'), 'error', false);
        if (!empty($courseCode)) {
            $content .= '<h4>' . get_lang('LoginToGoToThisCourse') . '</h4>';
        }
        if (api_is_cas_activated()) {
            $content .= Display::return_message(sprintf(get_lang('YouHaveAnInstitutionalAccount'), api_get_setting("Institution")), '', false);
            $content .= Display::div("<br/><a href='" . get_cas_direct_URL(api_get_course_id()) . "'>" . sprintf(get_lang('LoginWithYourAccount'), api_get_setting("Institution")) . "</a><br/><br/>", array('align' => 'center'));
            $content .= Display::return_message(get_lang('YouDontHaveAnInstitutionAccount'));
            $content .= "<p style='text-align:center'><a href='#' onclick='\$(this).parent().next().toggle()'>" . get_lang('LoginWithExternalAccount') . "</a></p>";
            $content .= "<div style='display:none;'>";
        }
        $content .= '<div class="well_login">';
        $content .= $form->return_form();
        $content .= '</div>';
        if (api_is_cas_activated()) {
            $content .= "</div>";
        }
        if (!empty($courseCode)) {
            $content .= '<hr/><p style="text-align:center"><a href="' . $home_url . '">' . get_lang('ReturnToCourseHomepage') . '</a></p>';
        } else {
            $content .= '<hr/><p style="text-align:center"><a href="' . $home_url . '">' . get_lang('CampusHomepage') . '</a></p>';
        }
        $tpl->setLoginBodyClass();
        $tpl->assign('content', $content);
        $tpl->display_one_col_template();
        exit;
    }
    if ($user_id != 0 && !api_is_anonymous()) {
        $tpl->display_one_col_template();
        exit;
    }
    $msg = null;
//.........这里部分代码省略.........

 static function get_document_preview($course_info, $lp_id = false, $target = '', $session_id = 0, $add_move_button = false, $filter_by_folder = null, $overwrite_url = null)
 {
     if (empty($course_info['real_id']) || empty($course_info['code']) || !is_array($course_info)) {
         return '';
     }
     $user_id = api_get_user_id();
     $user_in_course = false;
     if (api_is_platform_admin()) {
         $user_in_course = true;
     }
     if (!$user_in_course) {
         if (CourseManager::is_course_teacher($user_id, $course_info['real_id'])) {
             $user_in_course = true;
         }
     }
     //condition for the session
     $session_id = intval($session_id);
     if (!$user_in_course) {
         if (empty($session_id)) {
             if (CourseManager::is_user_subscribed_in_course($user_id, $course_info['real_id'])) {
                 $user_in_course = true;
             }
             //Check if course is open then we can consider that the student is regitered to the course
             if (isset($course_info) && in_array($course_info['visibility'], array(2, 3))) {
                 $user_in_course = true;
             }
         } else {
             $user_status = SessionManager::get_user_status_in_course_session($user_id, $course_info['real_id'], $session_id);
             //is true if is an student, course session teacher or coach
             if (in_array($user_status, array('0', '2', '6'))) {
                 $user_in_course = true;
             }
         }
     }
     $tbl_doc = Database::get_course_table(TABLE_DOCUMENT);
     $tbl_item_prop = Database::get_course_table(TABLE_ITEM_PROPERTY);
     $path = '/';
     $path = Database::escape_string(str_replace('_', '\\_', $path));
     $added_slash = $path == '/' ? '' : '/';
     //$condition_session = " AND (id_session = '$session_id' OR (id_session = '0' AND insert_date <= (SELECT creation_date FROM $tbl_course WHERE code = '".$course_info['code']."' )))";
     $condition_session = " AND (id_session = '{$session_id}' OR  id_session = '0' )";
     $add_folder_filter = null;
     if (!empty($filter_by_folder)) {
         $add_folder_filter = " AND docs.path LIKE '" . Database::escape_string($filter_by_folder) . "%'";
     }
     $sql_doc = "SELECT last.visibility, docs.*\n\t\t\t\t\tFROM  {$tbl_item_prop} AS last, {$tbl_doc} AS docs\n    \t            WHERE   docs.id = last.ref AND\n                            docs.path LIKE '" . $path . $added_slash . "%' AND\n                            docs.path NOT LIKE '%_DELETED_%' AND\n                            last.tool = '" . TOOL_DOCUMENT . "' {$condition_session} AND\n                            last.visibility = '1' AND\n                            docs.c_id = {$course_info['real_id']} AND\n                            last.c_id = {$course_info['real_id']}\n                            {$add_folder_filter}\n                    ORDER BY docs.title ASC";
     $res_doc = Database::query($sql_doc);
     $resources = Database::store_result($res_doc, 'ASSOC');
     $resources_sorted = array();
     $return = '';
     if ($lp_id) {
         $return .= '<div class="lp_resource_element">';
         $return .= Display::return_icon('new_doc.gif', '', array(), ICON_SIZE_SMALL);
         $return .= Display::url(get_lang('NewDocument'), api_get_self() . '?' . api_get_cidreq() . '&action=add_item&type=' . TOOL_DOCUMENT . '&lp_id=' . $_SESSION['oLP']->lp_id);
         $return .= '</div>';
     } else {
         $return .= Display::div(Display::url(Display::return_icon('close.png', get_lang('Close'), array(), ICON_SIZE_SMALL), ' javascript:void(0);', array('id' => 'close_div_' . $course_info['real_id'] . '_' . $session_id, 'class' => 'close_div')), array('style' => 'position:absolute;right:10px'));
     }
     // If you want to debug it, I advise you to do "echo" on the eval statements.
     if (!empty($resources) && $user_in_course) {
         foreach ($resources as $resource) {
             $is_visible = self::is_visible_by_id($resource['id'], $course_info, $session_id, api_get_user_id());
             if (!$is_visible) {
                 continue;
             }
             $resource_paths = explode('/', $resource['path']);
             array_shift($resource_paths);
             $path_to_eval = $last_path = '';
             $is_file = false;
             if ($resource['filetype'] == 'file') {
                 foreach ($resource_paths as $key => $resource_path) {
                     if ($key != count($resource_paths) - 1) {
                         // It's a folder.
                         $path_to_eval .= "['{$resource_path}']['files']";
                     }
                     $is_file = true;
                 }
             } else {
                 foreach ($resource_paths as $key => $resource_path) {
                     if ($key != count($resource_paths) - 1) {
                         // It's a folder.
                         $path_to_eval .= "['{$resource_path}']['files']";
                     }
                 }
             }
             $last_path = $resource_path;
             //$data = json_encode(array('title'=>$resource['title'], 'path'=>$last_path));
             //@todo not sure if it's a good thing using base64_encode. I tried with json_encode but i received the same error
             //Some testing is needed in order to prove the performance
             //Also change the explode to value from "/" to "|@j@|" it fixes  #3780
             $data = base64_encode($resource['title'] . '|@j@|' . $last_path);
             if ($is_file) {
                 //for backward compatibility
                 if (empty($resource['title'])) {
                     $resource['title'] = basename($resource['path']);
                 }
                 eval('$resources_sorted' . $path_to_eval . '[' . $resource['id'] . '] = "' . $data . '" ; ');
             } else {
                 eval('$resources_sorted' . $path_to_eval . '["' . $last_path . '"]["id"]=' . $resource['id'] . ';');
                 eval('$resources_sorted' . $path_to_eval . '["' . $last_path . '"]["title"]= "' . api_htmlentities($resource['title']) . '";');
//.........这里部分代码省略.........

/**
 * Shows a question
 *
 * @param int    $questionId question id
 * @param bool   $only_questions if true only show the questions, no exercise title
 * @param bool   $origin  i.e = learnpath
 * @param string $current_item current item from the list of questions
 * @param bool   $show_title
 * @param bool   $freeze
 * @param array  $user_choice
 * @param bool   $show_comment
 * @param bool   $exercise_feedback
 * @param bool   $show_answers
 * */
function showQuestion($questionId, $only_questions = false, $origin = false, $current_item = '', $show_title = true, $freeze = false, $user_choice = array(), $show_comment = false, $exercise_feedback = null, $show_answers = false)
{
    // Text direction for the current language
    $is_ltr_text_direction = api_get_text_direction() != 'rtl';
    // Change false to true in the following line to enable answer hinting
    $debug_mark_answer = $show_answers;
    //api_is_allowed_to_edit() && false;
    // Reads question information
    if (!($objQuestionTmp = Question::read($questionId))) {
        // Question not found
        return false;
    }
    if ($exercise_feedback != EXERCISE_FEEDBACK_TYPE_END) {
        $show_comment = false;
    }
    $answerType = $objQuestionTmp->selectType();
    $pictureName = $objQuestionTmp->selectPicture();
    $s = '';
    if ($answerType != HOT_SPOT && $answerType != HOT_SPOT_DELINEATION) {
        // Question is not a hotspot
        if (!$only_questions) {
            $questionDescription = $objQuestionTmp->selectDescription();
            if ($show_title) {
                Testcategory::displayCategoryAndTitle($objQuestionTmp->id);
                echo Display::div($current_item . '. ' . $objQuestionTmp->selectTitle(), array('class' => 'question_title'));
            }
            if (!empty($questionDescription)) {
                echo Display::div($questionDescription, array('class' => 'question_description'));
            }
        }
        if (in_array($answerType, array(FREE_ANSWER, ORAL_EXPRESSION)) && $freeze) {
            return '';
        }
        echo '<div class="question_options">';
        // construction of the Answer object (also gets all answers details)
        $objAnswerTmp = new Answer($questionId);
        $nbrAnswers = $objAnswerTmp->selectNbrAnswers();
        $course_id = api_get_course_int_id();
        $quiz_question_options = Question::readQuestionOption($questionId, $course_id);
        // For "matching" type here, we need something a little bit special
        // because the match between the suggestions and the answers cannot be
        // done easily (suggestions and answers are in the same table), so we
        // have to go through answers first (elems with "correct" value to 0).
        $select_items = array();
        //This will contain the number of answers on the left side. We call them
        // suggestions here, for the sake of comprehensions, while the ones
        // on the right side are called answers
        $num_suggestions = 0;
        if ($answerType == MATCHING) {
            $s .= '<table class="data_table">';
            // Iterate through answers
            $x = 1;
            //mark letters for each answer
            $letter = 'A';
            $answer_matching = array();
            $cpt1 = array();
            for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
                $answerCorrect = $objAnswerTmp->isCorrect($answerId);
                $numAnswer = $objAnswerTmp->selectAutoId($answerId);
                $answer = $objAnswerTmp->selectAnswer($answerId);
                if ($answerCorrect == 0) {
                    // options (A, B, C, ...) that will be put into the list-box
                    // have the "correct" field set to 0 because they are answer
                    $cpt1[$x] = $letter;
                    $answer_matching[$x] = $objAnswerTmp->selectAnswerByAutoId($numAnswer);
                    $x++;
                    $letter++;
                }
            }
            $i = 1;
            $select_items[0]['id'] = 0;
            $select_items[0]['letter'] = '--';
            $select_items[0]['answer'] = '';
            foreach ($answer_matching as $id => $value) {
                $select_items[$i]['id'] = $value['id'];
                $select_items[$i]['letter'] = $cpt1[$id];
                $select_items[$i]['answer'] = $value['answer'];
                $i++;
            }
            $user_choice_array_position = array();
            if (!empty($user_choice)) {
                foreach ($user_choice as $item) {
                    $user_choice_array_position[$item['position']] = $item['answer'];
                }
            }
            $num_suggestions = $nbrAnswers - $x + 1;
//.........这里部分代码省略.........

        <div class="span3">
            <a class="profile_link" href="' . $userInfo['profile_url'] . '">' . $userInfo['complete_name'] . '</a>
            <div>' . $title . ' : ' . $content . '</div>
            <div>' . get_lang('DateSend') . ' : ' . $date . '</div>
            </div>
        </div>';
    }
}
if (count($pending_invitations) > 0) {
    $social_right_content .= Display::page_subheader(get_lang('GroupsWaitingApproval'));
    $new_invitation = array();
    foreach ($pending_invitations as $invitation) {
        $picture = $usergroup->get_picture_group($invitation['id'], $invitation['picture'], 80);
        $img = '<img class="social-groups-image" src="' . $picture['file'] . '" hspace="4" height="50" border="2" align="left" width="50" />';
        $invitation['picture'] = '<a href="groups.php?id=' . $invitation['id'] . '">' . $img . '</a>';
        $invitation['name'] = '<a href="groups.php?id=' . $invitation['id'] . '">' . Text::cut($invitation['name'], 120, true) . '</a>';
        $invitation['join'] = '<a class="btn btn-primary" href="invitations.php?accept=' . $invitation['id'] . '">' . get_lang('AcceptInvitation') . '</a>';
        $invitation['deny'] = '<a class="btn btn-danger" href="invitations.php?deny=' . $invitation['id'] . '">' . get_lang('DenyInvitation') . '</a>';
        $invitation['description'] = Text::cut($invitation['description'], 220, true);
        $new_invitation[] = $invitation;
    }
    $social_right_content .= Display::return_sortable_grid('waiting_user', array(), $new_invitation, array('hide_navigation' => true, 'per_page' => 100), array(), false, array(true, true, true, false, false, true, true, true, true));
}
$social_right_content = Display::div($social_right_content, array('class' => 'span9'));
$tpl = $app['template'];
$tpl->assign('social_left_content', $social_left_content);
$tpl->assign('social_right_content', $social_right_content);
$tpl->assign('message', $show_message);
$tpl->assign('content', $content);
$social_layout = $tpl->get_template('layout/social_layout.tpl');
$tpl->display($social_layout);

 /**
  * @todo use the template system
  */
 function show_right_block($title, $content, $id = null, $params = null) {
     if (!empty($id)) {
         $params['id'] = $id;
     }
     $params['class'] = 'well sidebar-nav';
     $html = null;
     if (!empty($title)) {
         $html.= '<h4>'.$title.'</h4>';
     }
     $html.= $content;
     $html = Display::div($html, $params);
     return $html;
 }

 /**
  * This function returns the content of a table in a grid
  * Should not be use to edit information (edit/delete rows) only.
  * @param array      options of visibility
  * @param bool       hide navigation optionally
  * @param int        content per page when show navigation (optional)
  * @param bool       sort data optionally
  * @return string    grid html
  */
 public function display_simple_grid($visibility_options, $hide_navigation = true, $per_page = 20, $sort_data = true, $grid_class = array())
 {
     $empty_table = false;
     $total = $this->get_total_number_of_items();
     if ($this->get_total_number_of_items() == 0) {
         $cols = $this->getColCount();
         //$this->setCellAttributes(1, 0, 'style="font-style: italic;text-align:center;" colspan='.$cols);
         $message_empty = api_xml_http_response_encode(get_lang('TheListIsEmpty'));
         $this->setCellContents(1, 0, $message_empty);
         $empty_table = true;
     }
     $html = '';
     if (!$empty_table) {
         // If we show the pagination
         if (!$hide_navigation) {
             $form = ' ';
             if ($this->get_total_number_of_items() > $per_page) {
                 if ($per_page > 10) {
                     $form = $this->get_page_select_form();
                 }
                 $nav = $this->get_navigation_html();
                 // This also must be moved
                 $html = '<div class="sub-header">';
                 $html .= '<div class="grid_selectbox">' . $form . '</div>';
                 $html .= '<div class="grid_title">' . $this->get_table_title() . '</div>';
                 $html .= '<div class="grid_nav">' . $nav . '</div>';
                 $html .= '</div>';
             }
         }
         $html .= '<div class="clear"></div>';
         if (count($this->form_actions) > 0) {
             $script = '<script>
                         /*<![CDATA[*/
                         function setCheckbox(value) {
                              d = document.form_' . $this->table_name . ';
                              for (i = 0; i < d.elements.length; i++) {
                                    if (d.elements[i].type == "checkbox") {
                                      d.elements[i].checked = value;
                                    }
                                 if (value) {
                                     $(d.elements[i]).parentsUntil("tr").parent().addClass("row_selected");
                                 } else {
                                     $(d.elements[i]).parentsUntil("tr").parent().removeClass("row_selected");
                                 }
                              }
                         }
                         /*]]>*/
                     </script>';
             $params = $this->get_sortable_table_param_string() . '&amp;' . $this->get_additional_url_paramstring();
             $html .= '<form method="post" action="' . api_get_self() . '?' . $params . '" name="form_' . $this->table_name . '">';
         }
     }
     if ($hide_navigation) {
         $items = $this->table_data;
         // This is a faster way to get what we want
     } else {
         // The normal way
         $items = $this->get_clean_html($sort_data);
         // Getting the items of the table
     }
     // Generation of style classes must be improved. Maybe we need a a table name to create style on the fly:
     // i.e: .whoisonline_table_grid_container instead of  .grid_container
     // where whoisonline is the table's name like drupal's template engine
     if (is_array($visibility_options)) {
         $filter = false;
         // The 2nd condition of the if will be loaded
     } else {
         $filter = $visibility_options !== false;
     }
     $item_css_class = $item_css_style = $grid_css_class = $grid_css_style = '';
     if (!empty($grid_class)) {
         $grid_css_class = $grid_class['main']['class'];
         $item_css_class = $grid_class['item']['class'];
         $grid_css_style = isset($grid_class['main']['style']) ? $grid_class['main']['style'] : null;
         $item_css_style = isset($grid_class['item']['style']) ? $grid_class['item']['style'] : null;
     }
     $div = '';
     if (is_array($items) && count($items) > 0) {
         foreach ($items as &$row) {
             $i = 0;
             $rows = '';
             foreach ($row as &$element) {
                 if ($filter || $visibility_options[$i]) {
                     $rows .= '<div class="' . $this->table_name . '_grid_element_' . $i . '">' . $element . '</div>';
                 }
                 $i++;
             }
             $div .= Display::div($rows, array('class' => $item_css_class . ' ' . $this->table_name . '_grid_item', 'style' => $item_css_style));
         }
     }
     $html .= Display::div($div, array('class' => $grid_css_class . ' ' . $this->table_name . '_grid_container', 'style' => $grid_css_style));
//.........这里部分代码省略.........