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- <?php
- // Allows the admin to configure blocks (hide/show, uninstall and configure)
- require_once('../config.php');
- require_once($CFG->libdir.'/adminlib.php');
- require_once($CFG->libdir.'/tablelib.php');
- admin_externalpage_setup('manageblocks');
- $confirm = optional_param('confirm', 0, PARAM_BOOL);
- $hide = optional_param('hide', 0, PARAM_INT);
- $show = optional_param('show', 0, PARAM_INT);
- $unprotect = optional_param('unprotect', 0, PARAM_INT);
- $protect = optional_param('protect', 0, PARAM_INT);
- /// Print headings
- $strmanageblocks = get_string('manageblocks');
- $struninstall = get_string('uninstallplugin', 'core_admin');
- $strversion = get_string('version');
- $strhide = get_string('hide');
- $strshow = get_string('show');
- $strsettings = get_string('settings');
- $strcourses = get_string('blockinstances', 'admin');
- $strname = get_string('name');
- $strshowblockcourse = get_string('showblockcourse');
- $strprotecthdr = get_string('blockprotect', 'admin'). $OUTPUT->help_icon('blockprotect','admin');
- $strprotect = get_string('blockprotect', 'admin');
- $strunprotect = get_string('blockunprotect', 'admin');
- /// If data submitted, then process and store.
- if (!empty($hide) && confirm_sesskey()) {
- if (!$block = $DB->get_record('block', array('id'=>$hide))) {
- print_error('blockdoesnotexist', 'error');
- }
- $DB->set_field('block', 'visible', '0', array('id'=>$block->id)); // Hide block
- core_plugin_manager::reset_caches();
- admin_get_root(true, false); // settings not required - only pages
- }
- if (!empty($show) && confirm_sesskey() ) {
- if (!$block = $DB->get_record('block', array('id'=>$show))) {
- print_error('blockdoesnotexist', 'error');
- }
- $DB->set_field('block', 'visible', '1', array('id'=>$block->id)); // Show block
- core_plugin_manager::reset_caches();
- admin_get_root(true, false); // settings not required - only pages
- }
- if (!isset($CFG->undeletableblocktypes) || (!is_array($CFG->undeletableblocktypes) && !is_string($CFG->undeletableblocktypes))) {
- $undeletableblocktypes = array('navigation', 'settings');
- } else if (is_string($CFG->undeletableblocktypes)) {
- $undeletableblocktypes = explode(',', $CFG->undeletableblocktypes);
- } else {
- $undeletableblocktypes = $CFG->undeletableblocktypes;
- }
- if (!empty($protect) && confirm_sesskey()) {
- if (!$block = $DB->get_record('block', array('id'=>$protect))) {
- print_error('blockdoesnotexist', 'error');
- }
- if (!in_array($block->name, $undeletableblocktypes)) {
- $undeletableblocktypes[] = $block->name;
- set_config('undeletableblocktypes', implode(',', $undeletableblocktypes));
- }
- admin_get_root(true, false); // settings not required - only pages
- }
- if (!empty($unprotect) && confirm_sesskey()) {
- if (!$block = $DB->get_record('block', array('id'=>$unprotect))) {
- print_error('blockdoesnotexist', 'error');
- }
- if (in_array($block->name, $undeletableblocktypes)) {
- $undeletableblocktypes = array_diff($undeletableblocktypes, array($block->name));
- set_config('undeletableblocktypes', implode(',', $undeletableblocktypes));
- }
- admin_get_root(true, false); // settings not required - only pages
- }
- echo $OUTPUT->header();
- echo $OUTPUT->heading($strmanageblocks);
- /// Main display starts here
- /// Get and sort the existing blocks
- if (!$blocks = $DB->get_records('block', array(), 'name ASC')) {
- print_error('noblocks', 'error'); // Should never happen
- }
- $incompatible = array();
- /// Print the table of all blocks
- $table = new flexible_table('admin-blocks-compatible');
- $table->define_columns(array('name', 'instances', 'version', 'hideshow', 'undeletable', 'settings', 'uninstall'));
- $table->define_headers(array($strname, $strcourses, $strversion, $strhide.'/'.$strshow, $strprotecthdr, $strsettings, $struninstall));
- $table->define_baseurl($CFG->wwwroot.'/'.$CFG->admin.'/blocks.php');
- $table->set_attribute('class', 'admintable blockstable generaltable');
- $table->set_attribute('id', 'compatibleblockstable');
- $table->setup();
- $tablerows = array();
- // Sort blocks using current locale.
- $blocknames = array();
- foreach ($blocks as $blockid=>$block) {
- $blockname = $block->name;
- if (file_exists("$CFG->dirroot/blocks/$blockname/block_$blockname.php")) {
- $blocknames[$blockid] = get_string('pluginname', 'block_'.$blockname);
- } else {
- $blocknames[$blockid] = $blockname;
- }
- }
- core_collator::asort($blocknames);
- foreach ($blocknames as $blockid=>$strblockname) {
- $block = $blocks[$blockid];
- $blockname = $block->name;
- $dbversion = get_config('block_'.$block->name, 'version');
- if (!file_exists("$CFG->dirroot/blocks/$blockname/block_$blockname.php")) {
- $blockobject = false;
- $strblockname = '<span class="notifyproblem">'.$strblockname.' ('.get_string('missingfromdisk').')</span>';
- $plugin = new stdClass();
- $plugin->version = $dbversion;
- } else {
- $plugin = new stdClass();
- $plugin->version = '???';
- if (file_exists("$CFG->dirroot/blocks/$blockname/version.php")) {
- include("$CFG->dirroot/blocks/$blockname/version.php");
- }
- if (!$blockobject = block_instance($block->name)) {
- $incompatible[] = $block;
- continue;
- }
- }
- if ($uninstallurl = core_plugin_manager::instance()->get_uninstall_url('block_'.$blockname, 'manage')) {
- $uninstall = html_writer::link($uninstallurl, $struninstall);
- } else {
- $uninstall = '';
- }
- $settings = ''; // By default, no configuration
- if ($blockobject and $blockobject->has_config()) {
- $blocksettings = admin_get_root()->locate('blocksetting' . $block->name);
- if ($blocksettings instanceof admin_externalpage) {
- $settings = '<a href="' . $blocksettings->url . '">' . get_string('settings') . '</a>';
- } else if ($blocksettings instanceof admin_settingpage) {
- $settings = '<a href="'.$CFG->wwwroot.'/'.$CFG->admin.'/settings.php?section=blocksetting'.$block->name.'">'.$strsettings.'</a>';
- } else if (!file_exists($CFG->dirroot.'/blocks/'.$block->name.'/settings.php')) {
- // If the block's settings node was not found, we check that the block really provides the settings.php file.
- // Note that blocks can inject their settings to other nodes in the admin tree without using the default locations.
- // This can be done by assigning null to $setting in settings.php and it is a valid case.
- debugging('Warning: block_'.$block->name.' returns true in has_config() but does not provide a settings.php file',
- DEBUG_DEVELOPER);
- }
- }
- // MDL-11167, blocks can be placed on mymoodle, or the blogs page
- // and it should not show up on course search page
- $totalcount = $DB->count_records('block_instances', array('blockname'=>$blockname));
- $count = $DB->count_records('block_instances', array('blockname'=>$blockname, 'pagetypepattern'=>'course-view-*'));
- if ($count>0) {
- $blocklist = "<a href=\"{$CFG->wwwroot}/course/search.php?blocklist=$blockid&sesskey=".sesskey()."\" ";
- $blocklist .= "title=\"$strshowblockcourse\" >$totalcount</a>";
- }
- else {
- $blocklist = "$totalcount";
- }
- $class = ''; // Nothing fancy, by default
- if (!$blockobject) {
- // ignore
- $visible = '';
- } else if ($blocks[$blockid]->visible) {
- $visible = '<a href="blocks.php?hide='.$blockid.'&sesskey='.sesskey().'" title="'.$strhide.'">'.
- '<img src="'.$OUTPUT->pix_url('t/hide') . '" class="iconsmall" alt="'.$strhide.'" /></a>';
- } else {
- $visible = '<a href="blocks.php?show='.$blockid.'&sesskey='.sesskey().'" title="'.$strshow.'">'.
- '<img src="'.$OUTPUT->pix_url('t/show') . '" class="iconsmall" alt="'.$strshow.'" /></a>';
- $class = 'dimmed_text';
- }
- if ($dbversion == $plugin->version) {
- $version = $dbversion;
- } else {
- $version = "$dbversion ($plugin->version)";
- }
- if (!$blockobject) {
- // ignore
- $undeletable = '';
- } else if (in_array($blockname, $undeletableblocktypes)) {
- $undeletable = '<a href="blocks.php?unprotect='.$blockid.'&sesskey='.sesskey().'" title="'.$strunprotect.'">'.
- '<img src="'.$OUTPUT->pix_url('t/unlock') . '" class="iconsmall" alt="'.$strunprotect.'" /></a>';
- } else {
- $undeletable = '<a href="blocks.php?protect='.$blockid.'&sesskey='.sesskey().'" title="'.$strprotect.'">'.
- '<img src="'.$OUTPUT->pix_url('t/lock') . '" class="iconsmall" alt="'.$strprotect.'" /></a>';
- }
- $row = array(
- $strblockname,
- $blocklist,
- $version,
- $visible,
- $undeletable,
- $settings,
- $uninstall,
- );
- $table->add_data($row, $class);
- }
- $table->print_html();
- if (!empty($incompatible)) {
- echo $OUTPUT->heading(get_string('incompatibleblocks', 'blockstable', 'admin'));
- $table = new flexible_table('admin-blocks-incompatible');
- $table->define_columns(array('block', 'uninstall'));
- $table->define_headers(array($strname, $struninstall));
- $table->define_baseurl($CFG->wwwroot.'/'.$CFG->admin.'/blocks.php');
- $table->set_attribute('class', 'incompatibleblockstable generaltable');
- $table->setup();
- foreach ($incompatible as $block) {
- if ($uninstallurl = core_plugin_manager::instance()->get_uninstall_url('block_'.$block->name, 'manage')) {
- $uninstall = html_writer::link($uninstallurl, $struninstall);
- } else {
- $uninstall = '';
- }
- $table->add_data(array(
- $block->name,
- $uninstall,
- ));
- }
- $table->print_html();
- }
- echo $OUTPUT->footer();
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