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<?PHP // $Id: modules.php,v 1.21.2.2 2006/05/17 16:37:15 tjhunt Exp $
// Allows the admin to manage activity modules
require_once('../config.php');
require_once('../course/lib.php');
$show = optional_param('show', '', PARAM_SAFEDIR);
$hide = optional_param('hide', '', PARAM_SAFEDIR);
$delete = optional_param('delete', '', PARAM_SAFEDIR);
$confirm = optional_param('confirm', '', PARAM_BOOL);
require_login();
if (!isadmin()) {
error("Only administrators can use this page!");
}
if (!$site = get_site()) {
error("Site isn't defined!");
}
/// Print headings
$stradministration = get_string("administration");
$strconfiguration = get_string("configuration");
$strmanagemodules = get_string("managemodules");
$strdelete = get_string("delete");
$strversion = get_string("version");
$strhide = get_string("hide");
$strshow = get_string("show");
$strsettings = get_string("settings");
$stractivities = get_string("activities");
$stractivitymodule = get_string("activitymodule");
print_header("$site->shortname: $strmanagemodules", "$site->fullname",
"<a href=\"index.php\">$stradministration</a> -> ".
"<a href=\"configure.php\">$strconfiguration</a> -> $strmanagemodules");
print_heading($strmanagemodules);
$coursesaffected = false;
/// If data submitted, then process and store.
if (!empty($hide) and confirm_sesskey()) {
if (!$module = get_record("modules", "name", $hide)) {
error("Module doesn't exist!");
}
set_field("modules", "visible", "0", "id", $module->id); // Hide main module
set_field('course_modules', 'visibleold', '1', 'visible' ,'1', 'module', $module->id); // Remember the previous visible state so we can toggle this back if the module is unhidden.
set_field('course_modules', 'visibleold', '0', 'visible' ,'0', 'module', $module->id);
set_field("course_modules", "visible", "0", "module", $module->id); // Hide all related activity modules
$coursesaffected = true;
}
if (!empty($show) and confirm_sesskey()) {
if (!$module = get_record("modules", "name", $show)) {
error("Module doesn't exist!");
}
set_field("modules", "visible", "1", "id", $module->id); // Show main module
set_field('course_modules', 'visible', '1', 'visibleold', '1', 'module', $module->id); // Get the previous saved visible state for the course module.
$coursesaffected = true;
}
if (!empty($delete) and confirm_sesskey()) {
$strmodulename = get_string("modulename", "$delete");
if (!$confirm) {
notice_yesno(get_string("moduledeleteconfirm", "", $strmodulename),
"modules.php?delete=$delete&confirm=1&sesskey=$USER->sesskey",
"modules.php");
print_footer();
exit;
} else { // Delete everything!!
if ($delete == "forum") {
error("You can not delete the forum module!!");
}
if (!$module = get_record("modules", "name", $delete)) {
error("Module doesn't exist!");
}
// OK, first delete all the relevant instances from all course sections
if ($coursemods = get_records("course_modules", "module", $module->id)) {
foreach ($coursemods as $coursemod) {
if (! delete_mod_from_section($coursemod->id, $coursemod->section)) {
notify("Could not delete the $strmodulename with id = $coursemod->id from section $coursemod->section");
}
}
}
// Now delete all the course module records
if (!delete_records("course_modules", "module", $module->id)) {
notify("Error occurred while deleting all $strmodulename records in course_modules table");
}
// Then delete all the logs
if (!delete_records("log", "module", $module->name)) {
notify("Error occurred while deleting all $strmodulename records in log table");
}
// And log_display information
if (!delete_records("log_display", "module", $module->name)) {
notify("Error occurred while deleting all $strmodulename records in log_display table");
}
// And the module entry itself
if (!delete_records("modules", "name", $module->name)) {
notify("Error occurred while deleting the $strmodulename record from modules table");
}
// Then the tables themselves
if ($tables = $db->Metatables()) {
$prefix = $CFG->prefix.$module->name;
foreach ($tables as $table) {
if (strpos($table, $prefix) === 0) {
if (!execute_sql("DROP TABLE $table", false)) {
notify("ERROR: while trying to drop table $table");
}
}
}
}
//rebuild_course_cache(); // Because things have changed
$coursesaffected = true;
$a->module = $strmodulename;
$a->directory = "$CFG->dirroot/mod/$delete";
notice(get_string("moduledeletefiles", "", $a), "modules.php");
}
}
if ($coursesaffected) {
rebuild_course_cache(); // Because things have changed
}
/// Get and sort the existing modules
if (!$modules = get_records("modules")) {
error("No modules found!!"); // Should never happen
}
foreach ($modules as $module) {
$strmodulename = get_string("modulename", "$module->name");
// Deal with modules which are lacking the language string
if ($strmodulename == '[[modulename]]') {
$strmodulename = $module->name;
}
$modulebyname[$strmodulename] = $module;
}
ksort($modulebyname);
/// Print the table of all modules
$table->head = array ($stractivitymodule, $stractivities, $strversion, "$strhide/$strshow", $strdelete, $strsettings);
$table->align = array ("left", "right", "left", "center", "center", "center");
$table->wrap = array ("nowrap", "", "", "", "","");
$table->size = array ("100%", "10", "10", "10", "10","12");
$table->width = "100";
foreach ($modulebyname as $modulename => $module) {
$icon = "<img src=\"$CFG->modpixpath/$module->name/icon.gif\" hspace=\"10\" height=\"16\" width=\"16\" border=\"0\" alt=\"\" />";
$delete = "<a href=\"modules.php?delete=$module->name&sesskey=$USER->sesskey\">$strdelete</a>";
if (file_exists("$CFG->dirroot/mod/$module->name/config.html")) {
$settings = "<a href=\"module.php?module=$module->name\">$strsettings</a>";
} else {
$settings = "";
}
$count = count_records("$module->name");
if ($module->visible) {
$visible = "<a href=\"modules.php?hide=$module->name&sesskey=$USER->sesskey\" title=\"$strhide\">".
"<img src=\"$CFG->pixpath/i/hide.gif\" align=\"middle\" height=\"16\" width=\"16\" border=\"0\" alt=\"\" /></a>";
$class = "";
} else {
$visible = "<a href=\"modules.php?show=$module->name&sesskey=$USER->sesskey\" title=\"$strshow\">".
"<img src=\"$CFG->pixpath/i/show.gif\" align=\"middle\" height=\"16\" width=\"16\" border=\"0\" alt=\"\" /></a>";
$class = "class=\"dimmed_text\"";
}
if ($module->name == "forum") {
$delete = "";
$visible = "";
$class = "";
}
$table->data[] = array ("<span $class>$icon $modulename</span>", $count, $module->version, $visible, $delete, $settings);
}
print_table($table);
echo "<br /><br />";
print_footer();
?>
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