chamilo-lms2/main/course_home/3column.php

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

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

$hide = isset($_GET['hide']) && $_GET['hide'] === 'yes' ? 'yes' : null;
$restore = isset($_GET['restore']) && $_GET['restore'] === 'yes' ? 'yes' : null;
$id = isset($_GET['id']) ? intval($_GET['id']) : null;
$TBL_ACCUEIL = Database::get_course_table(TABLE_TOOL_LIST);
$course_id = api_get_course_int_id();

// WORK with data post askable by admin of course
if (api_is_allowed_to_edit(null, true)) {
    /*  Processing request */
    /*	MODIFY HOME PAGE */
    /*
     * Edit visibility of tools
     *
     *     visibility = 1 - everybody
     *     visibility = 0 - prof and admin
     *     visibility = 2 - admin
     *
     * Who can change visibility ?
     *
     *     admin = 0 - prof and admin
     *     admin = 1 - admin
     *
     * Show message to confirm that a tools must be hide from aivailable tools
     *
     *     visibility 0,1->2 - $remove
     *
     * Process hiding a tools from aivailable tools.
     *
     *     visibility=2                         are only view  by Dokeos
     * Administrator visibility 0,1->2 - $destroy
     *
     *     visibility 1 -> 0 - $hide / $restore
     */

    /*
     * Diplay message to confirm that a tools must be hide from aivailable tools
     * (visibility 0,1->2)
     */

    if ($remove) {
        $sql = "SELECT * FROM $TBL_ACCUEIL WHERE c_id = $course_id AND id=$id";
        $result = Database::query($sql);
        $tool = Database::fetch_array($result);
        $tool_name = @htmlspecialchars($tool['name'] != '' ? $tool['name'] : $tool['link'], ENT_QUOTES, api_get_system_encoding());
        if ($tool['img'] != 'external.gif') {
            $tool['link'] = api_get_path(WEB_CODE_PATH).$tool['link'];
        }
        $tool['image'] = Display::returnIconPath($tool['image']);

        echo "<br /><br /><br />\n";
        echo "<table class=\"message\" width=\"70%\" align=\"center\">\n",
            "<tr><td width=\"7%\" align=\"center\">\n",
            "<a href=\"".$tool['link']."\">".Display::return_icon($tool['image'], get_lang('Delete')), "</a></td>\n",
            "<td width=\"28%\" height=\"45\"><small>\n",
            "<a href=\"".$tool['link']."\">".$tool_name."</a></small></td>\n";
        echo "<td align=\"center\">\n",
            "<font color=\"#ff0000\">",
            "&nbsp;&nbsp;&nbsp;",
            "<strong>", get_lang('DelLk'), "</strong>",
            "<br />&nbsp;&nbsp;&nbsp;\n",
            "<a href=\"".api_get_self()."\">", get_lang('No'), "</a>\n",
            "&nbsp;|&nbsp;\n",
            "<a href=\"".api_get_self()."?destroy=yes&amp;id=$id\">", get_lang('Yes'), "</a>\n",
            "</font></td></tr>\n",
            "</table>\n";
        echo "<br /><br /><br />\n";
    } elseif ($destroy) {
        // if remove

        /*
         * Process hiding a tools from aivailable tools.
         * visibility=2 are only view  by Dokeos Administrator (visibility 0,1->2)
         */
        Database::query("UPDATE $TBL_ACCUEIL SET visibility='2' WHERE c_id = $course_id AND id = $id");
    } elseif ($hide) {
        // visibility 1 -> 0
        /* HIDE */
        Database::query("UPDATE $TBL_ACCUEIL SET visibility=0 WHERE c_id = $course_id AND id=$id");
        $show_message .= Display::return_message(get_lang('ToolIsNowHidden'), 'confirmation');
    } elseif ($restore) {
        /*	REACTIVATE */
        // visibility 0,2 -> 1
        Database::query("UPDATE $TBL_ACCUEIL SET visibility=1  WHERE c_id = $course_id AND id=$id");
        $show_message .= Display::return_message(get_lang('ToolIsNowVisible'), 'confirmation');
    } elseif (isset($update) && $update) {
        /*
         * Editing "apparance" of  a tools  on the course Home Page.
         */
        $result = Database::query("SELECT * FROM $TBL_ACCUEIL WHERE c_id = $course_id AND id=$id");
        $tool = Database::fetch_array($result);
        $racine = api_get_path(SYS_PATH).'/'.$currentCourseID.'/images/';
        $chemin = $racine;
        $name = $tool[1];
        $image = $tool[3];

        $content .= "<tr>\n".
            "<td colspan=\"4\">\n".
            "<table>\n".
            "<tr>\n".
            "<td>\n".
            "<form method=\"post\" action=\"".api_get_self()."\">\n".
            "<input type=\"hidden\" name=\"id\" value=\"$id\">\n".
            "Image : ".Display::return_icon($image)."\n".
            "</td>\n".
            "<td>\n".
            "<select name=\"image\">\n".
            "<option selected>".$image."</option>\n";

        if ($dir = @opendir($chemin)) {
            while ($file = readdir($dir)) {
                if ($file == '..' || $file == '.') {
                    unset($file);
                }
                $content .= "<option>".$file."</option>\n";
            }
            closedir($dir);
        }

        $content .= "</select>\n".
            "</td>\n".
            "</tr>\n".
            "<tr>\n".
            "<td>".get_lang('NameOfTheLink')." : </td>\n".
            "<td><input type=\"text\" name=\"name\" value=\"".$name."\"></td>\n".
            "</tr>\n".
            "<tr>\n".
            "<td>Lien :</td>\n".
            "<td><input type=\"text\" name=\"link\" value=\"".$link."\"></td>\n".
            "</tr>\n".
            "<tr>\n".
            "<td colspan=\"2\"><input type=\"submit\" name=\"submit\" value=\"".get_lang('Ok')."\"></td>\n".
            "</tr>\n".
            "</form>\n".
            "</table>\n".
            "</td>\n".
            "</tr>\n";
    }
}

// Work with data post askable by admin of  course
if (api_is_platform_admin() && api_is_allowed_to_edit(null, true) && !api_is_coach()) {
    // Show message to confirm that a tools must be hide  from aivailable tools
    // visibility 0,1->2
    if ($askDelete) {
        $content .= "<table align=\"center\"><tr><td colspan=\"4\">
            <br /><br /><font color=\"#ff0000\">&nbsp;&nbsp;&nbsp;<strong>".get_lang('DelLk')."</strong>
            <br />&nbsp;&nbsp;&nbsp;
            <a href=\"".api_get_self()."\">".get_lang('No')."</a>
            &nbsp;|&nbsp;
            <a href=\"".api_get_self()."?delete=yes&amp;id=$id\">".get_lang('Yes')."</a>
            </font>
            <br /><br /><br />
            </td>
            </tr>
            </table>\n";
    } elseif (isset($delete) && $delete) {
         // if remove
        /*
         * Process hiding a tools from aivailable tools.
         * visibility=2 are only viewed by Dokeos Administrator visibility 0,1->2
         */
        Database::query("DELETE FROM $TBL_ACCUEIL WHERE c_id = $course_id AND id = $id AND added_tool=1");
    }
}

$content .= "<table class=\"item\" align=\"center\" border=\"0\" width=\"95%\">\n";

/*	TOOLS  FOR  EVERYBODY */
$content .= "<tr>\n<td colspan=\"6\">&nbsp;</td>\n</tr>\n";
$content .= "<tr>\n<td colspan=\"6\">";
$content .= CourseHome::show_tool_3column('Basic');
$content .= CourseHome::show_tool_3column('External');
$content .= "</td>\n</tr>\n";


/*	PROF ONLY VIEW */

if (api_is_allowed_to_edit(null, true) && !api_is_coach()) {
    $content .= "<tr><td colspan=\"6\"><hr noshade size=\"1\" /></td></tr>\n".
        "<tr><td colspan=\"6\"><font color=\"#F66105\">\n".get_lang('CourseAdminOnly')."</font>
        </td></tr>\n";
    $content .= "<tr>\n<td colspan=\"6\">";
    $content .= CourseHome::show_tool_3column('courseAdmin');
    $content .= "</td>\n</tr>\n";
}

/*	TOOLS FOR PLATFORM ADMIN ONLY */
if (api_is_platform_admin() && api_is_allowed_to_edit(null, true) && !api_is_coach()) {
    $content .= "<tr>"."<td colspan=\"6\">".
        "<hr noshade size=\"1\" />".
        "</td>"."</tr>\n".
        "<tr>\n"."<td colspan=\"6\">\n".
        "<font color=\"#F66105\" >".get_lang('PlatformAdminOnly')."</font>\n".
        "</td>\n"."</tr>\n";
    $content .= "<tr>\n<td colspan=\"6\">";
    $content .= CourseHome::show_tool_3column('platformAdmin');
    $content .= "</td>\n</tr>\n";
}

$content .= "</table>\n";