libdir.'/blocklib.php');
optional_variable($_GET['hide']);
optional_variable($_GET['show']);
optional_variable($_GET['delete']);
optional_variable($_GET['confirm'], 0);
$delete = $_GET['delete']; // Dependency remover
require_login();
if (!isadmin()) {
error("Only administrators can use this page!");
}
if (!$site = get_site()) {
error("Site isn't defined!");
}
/// Print headings
$stradministration = get_string('administration');
$strconfiguration = get_string('configuration');
$strmanageblocks = get_string('manageblocks');
$strdelete = get_string('delete');
$strversion = get_string('version');
$strhide = get_string('hide');
$strshow = get_string('show');
$strsettings = get_string('settings');
$strcourses = get_string('courses');
$strname = get_string('name');
print_header("$site->shortname: $strmanageblocks", "$site->fullname",
"$stradministration -> ".
"$strconfiguration -> $strmanageblocks");
print_heading($strmanageblocks);
/// If data submitted, then process and store.
if (!empty($_GET['hide'])) {
if (!$block = get_record('blocks', 'id', $_GET['hide'])) {
error("Block doesn't exist!");
}
set_field('blocks', 'visible', '0', 'id', $block->id); // Hide block
}
if (!empty($_GET['show'])) {
if (!$block = get_record('blocks', 'id', $_GET['show'])) {
error("Block doesn't exist!");
}
set_field('blocks', 'visible', '1', 'id', $block->id); // Show block
}
if (!empty($delete)) {
if (!$block = get_record('blocks', 'id', $delete)) {
error("Block doesn't exist!");
}
$blockobject = block_instance($block->name, $site);
$strblockname = $blockobject->get_title();
if (!$_GET['confirm']) {
notice_yesno(get_string('blockdeleteconfirm', '', $strblockname),
'blocks.php?delete='.$block->id.'&confirm=1',
'blocks.php');
print_footer();
exit;
} else {
// Delete block
if (!delete_records('blocks', 'id', $block->id)) {
notify("Error occurred while deleting the $strblockname record from blocks table");
}
blocks_update_every_block_by_id($block->id, 'delete'); // Delete blocks in all courses by id
// Then the tables themselves
if ($tables = $db->Metatables()) {
$prefix = $CFG->prefix.$block->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");
}
}
}
}
$a->block = $strblockname;
$a->directory = $CFG->dirroot.'/blocks/'.$block->name;
notice(get_string('blockdeletefiles', '', $a), 'blocks.php');
}
}
/// Main display starts here
/// Get and sort the existing blocks
if (false === ($blocks = get_records('blocks'))) {
error('No blocks found!'); // Should never happen
}
foreach ($blocks as $block) {
if(($blockobject = block_instance($block->name, NULL)) === false) {
// Failed to load
continue;
}
$blockbyname[$blockobject->get_title()] = $block->id;
$blockobjects[$block->id] = $blockobject;
}
if(empty($blockbyname)) {
error('One or more blocks are registered in the database, but they all failed to load!');
}
ksort($blockbyname);
/// Print the table of all blocks
if (empty($THEME->custompix)) {
$pixpath = '../pix';
// [pj] This is not used anywhere, but I'm leaving it in for the future
//$modpixpath = '../mod';
} else {
$pixpath = '../theme/'.$CFG->theme.'/pix';
// [pj] This is not used anywhere, but I'm leaving it in for the future
//$modpixpath = '../theme/'.$CFG->theme.'/pix/mod';
}
$table->head = array ($strname, $strcourses, $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");
$table->width = "100";
foreach ($blockbyname as $blockname => $blockid) {
// [pj] This is not used anywhere, but I'm leaving it in for the future
//$icon = "![](\"$modpixpath/$block-)
name/icon.gif\" hspace=10 height=16 width=16 border=0>";
$blockobject = $blockobjects[$blockid];
$delete = ''.$strdelete.'';
$settings = ''; // By default, no configuration
if($blockobject->has_config()) {
$settings = ''.$strsettings.'';
}
$count = blocks_get_courses_using_block_by_id($blockid);
$class = ''; // Nothing fancy, by default
if ($blocks[$blockid]->visible) {
$visible = ''.
'
';
} else {
$visible = ''.
'
';
$class = ' class="dimmed_text"'; // Leading space required!
}
$table->data[] = array (''.$blockobject->get_title().'', $count, $blockobject->get_version(), $visible, $delete, $settings);
}
echo '';
print_table($table);
echo '
';
print_footer();
?>