function is_possible_number($cell, $number, $sudoku)
{
$row = return_row($cell);
$col = return_col($cell);
$block = return_block($cell);
return is_possible_row($number, $row, $sudoku) and is_possible_col($number, $col, $sudoku) and is_possible_block($number, $block, $sudoku);
}
$my_list = CourseHome::get_tools_category(TOOL_STUDENT_VIEW);
$content .= CourseHome::show_tools_category($my_list);
$content .= '</div>';
$sessionsCopy = api_get_setting('session.allow_session_course_copy_for_teachers');
if ($sessionsCopy === 'true') {
// Adding only maintenance for coaches.
$myList = CourseHome::get_tools_category(TOOL_ADMIN_PLATFORM);
$onlyMaintenanceList = array();
foreach ($myList as $item) {
if ($item['name'] == 'course_maintenance') {
$item['link'] = 'course_info/maintenance_coach.php';
$onlyMaintenanceList[] = $item;
}
}
$items = CourseHome::show_tools_category($onlyMaintenanceList);
$content .= return_block(get_lang('Administration'), $items);
}
} else {
$tools = CourseHome::get_tools_category(TOOL_STUDENT_VIEW);
$isDrhOfCourse = CourseManager::isUserSubscribedInCourseAsDrh(api_get_user_id(), api_get_course_info());
// Force user icon for DRH
if ($isDrhOfCourse) {
$addUserTool = true;
foreach ($tools as $tool) {
if ($tool['name'] == 'user') {
$addUserTool = false;
break;
}
}
if ($addUserTool) {
$tools[] = array('c_id' => api_get_course_int_id(), 'name' => 'user', 'link' => 'user/user.php', 'image' => 'members.gif', 'visibility' => '1', 'admin' => '0', 'address' => 'squaregrey.gif', 'added_tool' => '0', 'target' => '_self', 'category' => 'interaction', 'session_id' => api_get_session_id());
if ($session_id == 0 && api_is_course_admin() && api_is_allowed_to_edit(null, true)) {
$list = CourseHome::get_tools_category(TOOL_AUTHORING);
$result = CourseHome::show_tools_category($urlGenerator, $list);
$content .= return_block(get_lang('Authoring'), $result['content']);
$totalList = $result['tool_list'];
$list = CourseHome::get_tools_category(TOOL_INTERACTION);
$list2 = CourseHome::get_tools_category(TOOL_COURSE_PLUGIN);
$list = array_merge($list, $list2);
$result = CourseHome::show_tools_category($urlGenerator, $list);
$totalList = array_merge($totalList, $result['tool_list']);
$content .= return_block(get_lang('Interaction'), $result['content']);
$list = CourseHome::get_tools_category(TOOL_ADMIN_PLATFORM);
$totalList = array_merge($totalList, $list);
$result = CourseHome::show_tools_category($urlGenerator, $list);
$totalList = array_merge($totalList, $result['tool_list']);
$content .= return_block(get_lang('Administration'), $result['content']);
} elseif (api_is_coach()) {
$content .= '<div class="row">';
$list = CourseHome::get_tools_category(TOOL_STUDENT_VIEW);
$content .= CourseHome::show_tools_category($urlGenerator, $result['content']);
$totalList = array_merge($totalList, $result['tool_list']);
$content .= '</div>';
} else {
$list = CourseHome::get_tools_category(TOOL_STUDENT_VIEW);
if (count($list) > 0) {
$content .= '<div class="row">';
$result = CourseHome::show_tools_category($urlGenerator, $list);
$content .= $result['content'];
$totalList = array_merge($totalList, $result['tool_list']);
$content .= '</div>';
}
