mirror of
https://github.com/moodle/moodle.git
synced 2025-01-18 05:58:34 +01:00
251 lines
9.7 KiB
PHP
251 lines
9.7 KiB
PHP
<?PHP // $Id$
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// Allows the admin to configure blocks (hide/show, delete and configure)
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require_once('../config.php');
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require_once($CFG->libdir.'/adminlib.php');
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require_once($CFG->libdir.'/blocklib.php');
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require_once($CFG->libdir.'/tablelib.php');
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admin_externalpage_setup('manageblocks');
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$confirm = optional_param('confirm', 0, PARAM_BOOL);
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$hide = optional_param('hide', 0, PARAM_INT);
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$show = optional_param('show', 0, PARAM_INT);
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$delete = optional_param('delete', 0, PARAM_INT);
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$multiple = optional_param('multiple', 0, PARAM_INT);
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/// Print headings
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$strmanageblocks = get_string('manageblocks');
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$strdelete = get_string('delete');
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$strversion = get_string('version');
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$strhide = get_string('hide');
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$strshow = get_string('show');
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$strsettings = get_string('settings');
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$strcourses = get_string('blockinstances', 'admin');
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$strname = get_string('name');
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$strmultiple = get_string('blockmultiple', 'admin');
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$strshowblockcourse = get_string('showblockcourse');
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/// If data submitted, then process and store.
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if (!empty($hide) && confirm_sesskey()) {
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if (!$block = $DB->get_record('block', array('id'=>$hide))) {
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print_error('blockdoesnotexist', 'error');
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}
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$DB->set_field('block', 'visible', '0', array('id'=>$block->id)); // Hide block
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admin_get_root(true, false); // settings not required - only pages
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}
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if (!empty($show) && confirm_sesskey() ) {
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if (!$block = $DB->get_record('block', array('id'=>$show))) {
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print_error('blockdoesnotexist', 'error');
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}
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$DB->set_field('block', 'visible', '1', array('id'=>$block->id)); // Show block
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admin_get_root(true, false); // settings not required - only pages
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}
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if (!empty($multiple) && confirm_sesskey()) {
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if (!$block = blocks_get_record($multiple)) {
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print_error('blockdoesnotexist', 'error');
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}
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$block->multiple = !$block->multiple;
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$DB->update_record('block', $block);
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admin_get_root(true, false); // settings not required - only pages
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}
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if (!empty($delete) && confirm_sesskey()) {
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admin_externalpage_print_header();
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print_heading($strmanageblocks);
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if (!$block = blocks_get_record($delete)) {
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print_error('blockdoesnotexist', 'error');
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}
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if (!block_is_compatible($block->name)) {
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$strblockname = $block->name;
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}
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else {
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$blockobject = block_instance($block->name);
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$strblockname = $blockobject->get_title();
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}
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if (!$confirm) {
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notice_yesno(get_string('blockdeleteconfirm', '', $strblockname),
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'blocks.php?delete='.$block->id.'&confirm=1&sesskey='.$USER->sesskey,
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'blocks.php');
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admin_externalpage_print_footer();
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exit;
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} else {
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// Inform block it's about to be deleted
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$blockobject = block_instance($block->name);
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if ($blockobject) {
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$blockobject->before_delete(); //only if we can create instance, block might have been already removed
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}
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// First delete instances and then block
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$instances = $DB->get_records('block_instance', array('blockid'=>$block->id));
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if(!empty($instances)) {
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foreach($instances as $instance) {
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blocks_delete_instance($instance);
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blocks_delete_instance($instance, true);
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}
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}
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// Delete block
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if (!$DB->delete_records('block', array('id'=>$block->id))) {
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notify("Error occurred while deleting the $strblockname record from blocks table");
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}
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drop_plugin_tables($block->name, "$CFG->dirroot/blocks/$block->name/db/install.xml", false); // old obsoleted table names
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drop_plugin_tables('block_'.$block->name, "$CFG->dirroot/blocks/$block->name/db/install.xml", false);
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// Delete the capabilities that were defined by this block
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capabilities_cleanup('block/'.$block->name);
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// remove entent handlers and dequeue pending events
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events_uninstall('block/'.$block->name);
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$a->block = $strblockname;
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$a->directory = $CFG->dirroot.'/blocks/'.$block->name;
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notice(get_string('blockdeletefiles', '', $a), 'blocks.php');
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}
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}
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admin_externalpage_print_header();
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print_heading($strmanageblocks);
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/// Main display starts here
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/// Get and sort the existing blocks
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if (!$blocks = $DB->get_records('block')) {
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print_error('noblocks', 'error'); // Should never happen
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}
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$incompatible = array();
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foreach ($blocks as $block) {
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if (!block_is_compatible($block->name)) {
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notify('Block '. $block->name .' is not compatible with the current version of Moodle and needs to be updated by a programmer.');
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$incompatible[] = $block;
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continue;
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}
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if (($blockobject = block_instance($block->name)) === false) {
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// Failed to load
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continue;
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}
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$blockbyname[$blockobject->get_title()] = $block->id;
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$blockobjects[$block->id] = $blockobject;
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}
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if(empty($blockbyname)) {
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print_error('failtoloadblocks', 'error');
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}
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ksort($blockbyname);
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/// Print the table of all blocks
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$table = new flexible_table('admin-blocks-compatible');
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$table->define_columns(array('name', 'instances', 'version', 'hideshow', 'multiple', 'delete', 'settings'));
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$table->define_headers(array($strname, $strcourses, $strversion, $strhide.'/'.$strshow, $strmultiple, $strdelete, $strsettings));
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$table->define_baseurl($CFG->wwwroot.'/'.$CFG->admin.'/blocks.php');
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$table->set_attribute('id', 'blocks');
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$table->set_attribute('class', 'generaltable generalbox boxaligncenter boxwidthwide');
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$table->setup();
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foreach ($blockbyname as $blockname => $blockid) {
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$blockobject = $blockobjects[$blockid];
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$block = $blocks[$blockid];
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$delete = '<a href="blocks.php?delete='.$blockid.'&sesskey='.$USER->sesskey.'">'.$strdelete.'</a>';
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$settings = ''; // By default, no configuration
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if ($blockobject->has_config()) {
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if (file_exists($CFG->dirroot.'/blocks/'.$block->name.'/settings.php')) {
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$settings = '<a href="'.$CFG->wwwroot.'/'.$CFG->admin.'/settings.php?section=blocksetting'.$block->name.'">'.$strsettings.'</a>';
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} else {
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$settings = '<a href="block.php?block='.$blockid.'">'.$strsettings.'</a>';
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}
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}
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// MDL-11167, blocks can be placed on mymoodle, or the blogs page
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// and it should not show up on course search page
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$totalcount = $DB->count_records('block_instance', array('blockid'=>$blockid));
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$count = $DB->count_records('block_instance', array('blockid'=>$blockid, 'pagetype'=>'course-view'));
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if ($count>0) {
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$blocklist = "<a href=\"{$CFG->wwwroot}/course/search.php?blocklist=$blockid&sesskey={$USER->sesskey}\" ";
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$blocklist .= "title=\"$strshowblockcourse\" >$totalcount</a>";
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}
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else {
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$blocklist = "$totalcount";
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}
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$class = ''; // Nothing fancy, by default
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if ($blocks[$blockid]->visible) {
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$visible = '<a href="blocks.php?hide='.$blockid.'&sesskey='.$USER->sesskey.'" title="'.$strhide.'">'.
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'<img src="'.$CFG->pixpath.'/i/hide.gif" class="icon" alt="'.$strhide.'" /></a>';
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} else {
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$visible = '<a href="blocks.php?show='.$blockid.'&sesskey='.$USER->sesskey.'" title="'.$strshow.'">'.
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'<img src="'.$CFG->pixpath.'/i/show.gif" class="icon" alt="'.$strshow.'" /></a>';
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$class = ' class="dimmed_text"'; // Leading space required!
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}
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if ($blockobject->instance_allow_multiple()) {
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if($blocks[$blockid]->multiple) {
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$multiple = '<span style="white-space: nowrap;">'.get_string('yes').' (<a href="blocks.php?multiple='.$blockid.'&sesskey='.$USER->sesskey.'">'.get_string('change', 'admin').'</a>)</span>';
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}
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else {
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$multiple = '<span style="white-space: nowrap;">'.get_string('no').' (<a href="blocks.php?multiple='.$blockid.'&sesskey='.$USER->sesskey.'">'.get_string('change', 'admin').'</a>)</span>';
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}
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}
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else {
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$multiple = '';
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}
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$table->add_data(array(
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'<span'.$class.'>'.$blockobject->get_title().'</span>',
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$blocklist,
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'<span'.$class.'>'.$blockobject->get_version().'</span>',
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$visible,
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$multiple,
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$delete,
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$settings
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));
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}
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$table->print_html();
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if(!empty($incompatible)) {
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print_heading(get_string('incompatibleblocks', 'admin'));
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$table = new flexible_table('admin-blocks-incompatible');
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$table->define_columns(array('block', 'delete'));
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$table->define_headers(array($strname, $strdelete));
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$table->define_baseurl($CFG->wwwroot.'/'.$CFG->admin.'/blocks.php');
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$table->set_attribute('id', 'incompatible');
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$table->set_attribute('class', 'generaltable generalbox boxaligncenter boxwidthwide');
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$table->setup();
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foreach ($incompatible as $block) {
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$table->add_data(array(
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$block->name,
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'<a href="blocks.php?delete='.$block->id.'&sesskey='.$USER->sesskey.'">'.$strdelete.'</a>',
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));
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}
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$table->print_html();
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}
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admin_externalpage_print_footer();
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?>
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