chamilo-lms/main/course_home/vertical_activity.php

<?php
/* For licensing terms, see /license.txt */

/**
 *  HOME PAGE FOR EACH COURSE
 *
 *  This page, included in every course's index.php is the home
 *  page. To make administration simple, the teacher edits his
 *  course from the home page. Only the login detects that the
 *  visitor is allowed to activate, deactivate home page links,
 *  access to the teachers tools (statistics, edit forums...).
 *
 * @package chamilo.course_home
 */

$id = isset($_GET['id']) ? intval($_GET['id']) : null;
$course_id = api_get_course_int_id();
$session_id = api_get_session_id();

if (api_is_allowed_to_edit(null, true)) {
    // HIDE
    if (!empty($_GET['hide'])) { // visibility 1 -> 0
        $sql = "UPDATE $tool_table SET visibility=0 WHERE c_id = $course_id AND id='".$id."'";
        Database::query($sql);
        $show_message = Display::return_message(get_lang('ToolIsNowHidden'), 'confirmation');
    } elseif (!empty($_GET['restore'])) {
        // visibility 0,2 -> 1
        // REACTIVATE
        $sql = "UPDATE $tool_table SET visibility=1  WHERE c_id = $course_id AND id='".$id."'";
        Database::query($sql);
        $show_message = Display::return_message(get_lang('ToolIsNowVisible'), 'confirmation');
    }
}

// Work with data post askable by admin of course
if (api_is_platform_admin()) {
    // Show message to confirm that a tool it to be hidden from available tools
    // visibility 0,1->2
    if (!empty($_GET['askDelete'])) {
        $content .= '<div id="toolhide">'.get_lang('DelLk').'<br />&nbsp;&nbsp;&nbsp;
            <a href="'.api_get_self().'">'.get_lang('No').'</a>&nbsp;|&nbsp;
            <a href="'.api_get_self().'?delete=yes&id='.$id.'">'.get_lang('Yes').'</a>
        </div>';
    } elseif (isset($_GET['delete']) && $_GET['delete']) {
        /*
        * Process hiding a tools from available tools.
        */
        //where $id is set?
        $id = intval($id);
        Database::query("DELETE FROM $tool_table WHERE c_id = $course_id AND id='$id' AND added_tool=1");
    }
}

//	COURSE ADMIN ONLY VIEW

// Start of tools for CourseAdmins (teachers/tutors)
if (api_is_allowed_to_edit(null, true) && !api_is_coach()) {
    $content .= '<div class="courseadminview" style="border:0px; margin-top: 0px;padding:5px;">
    <div class="normal-message" id="id_normal_message" style="display:none">';
        $content .= '<img src="'.api_get_path(WEB_PATH).'main/inc/lib/javascript/indicator.gif"/>&nbsp;&nbsp;';
        $content .= get_lang('PleaseStandBy');

    $content .= '</div>
        <div class="confirmation-message" id="id_confirmation_message" style="display:none"></div></div>';
    $content .= '<div id="activity-3col">';

    if (api_get_setting('show_session_data') == 'true' && $session_id > 0) {
        $content .= '<div class="courseadminview-activity-3col"><span class="viewcaption">'.get_lang('SessionData').'</span>
            <table width="100%">'.CourseHome::show_session_data($session_id).'</table>
        </div>';
    }

    $content .= '<div class="courseadminview-activity-3col"><span class="viewcaption">'.get_lang('Authoring').'</span>';
    $my_list  = CourseHome::get_tools_category(TOOL_AUTHORING);
    $content .= CourseHome::show_tools_category($my_list);
    $content .= '</div>';

    $content .= '<div class="courseadminview-activity-3col"><span class="viewcaption">'.get_lang('Interaction').'</span>';
    $my_list  = CourseHome::get_tools_category(TOOL_INTERACTION);
    $content .= CourseHome::show_tools_category($my_list);
    $content .= '</div>';

    $content .= '<div class="courseadminview-activity-3col"><span class="viewcaption">'.get_lang('Administration').'</span>';
    $my_list = CourseHome::get_tools_category(TOOL_ADMIN_PLATFORM);
    $content .= CourseHome::show_tools_category($my_list);
    $content .= '</div>';

} elseif (api_is_coach()) {
    if (api_get_setting('show_session_data') == 'true' && $session_id > 0) {
        $content .= '<div class="courseadminview-activity-3col"><span class="viewcaption">'.get_lang('SessionData').'</span>
            <table width="100%">';
                $content .= CourseHome::show_session_data($session_id);
             $content .= '</table></div>';
    }

    $content .= '<div class="Authoringview">';
                $my_list = CourseHome::get_tools_category(TOOL_STUDENT_VIEW);
                $content .= CourseHome::show_tools_category($my_list);
    $content .= '</div>';
    //	TOOLS AUTHORING
} else {
    $my_list = CourseHome::get_tools_category(TOOL_STUDENT_VIEW);
    if (count($my_list) > 0) {
        $content .= '<div class="course-student-view-activity-3col">';
        //ordering by get_lang name
        $order_tool_list = array();
        foreach ($my_list as $key => $new_tool) {
            $tool_name = CourseHome::translate_tool_name($new_tool);
            $order_tool_list [$key] = $tool_name;
        }
        natsort($order_tool_list);
        $my_temp_tool_array = array();
        foreach ($order_tool_list as $key => $new_tool) {
            $my_temp_tool_array[] = $my_list[$key];
        }
        $my_list = $my_temp_tool_array;

        $i = 0;
        foreach ($my_list as $new_tool) {
            if ($i >= 10) {
                $my_list2[] = $new_tool;
            } else {
                $my_list1[] = $new_tool;
            }
            $i++;
        }
        $content .= CourseHome::show_tools_category($my_list1);
        $content .= CourseHome::show_tools_category($my_list2);
        $content .= '</div>';
    }
}
$content .= '</div>';