Proyectos de Subversion Moodle

<?php

// This file is part of Moodle - http://moodle.org/

//

// Moodle is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// Moodle is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

namespace core_admin\table;

use html_writer;

use moodle_url;

use stdClass;

/**

 * Tiny admin settings.

 *

 * @package core_admin

 * @copyright 2023 Andrew Lyons <andrew@nicols.co.uk>

 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class block_management_table extends \core_admin\table\plugin_management_table {

    /** @var plugininfo[] A list of blocks which cannot be deleted */

    protected array $undeletableblocktypes;

    /** @var stdClass[] A list of basic block data */

    protected array $blockdata;

    /** @var array<string,int> A list of course counts */

    protected array $courseblocks;

    public function __construct() {

        global $DB;

        parent::__construct();

        $this->undeletableblocktypes = \block_manager::get_undeletable_block_types();

        $sql = 'SELECT b.name,

                       b.id,

                       COUNT(DISTINCT binst.id) as totalcount

                  FROM {block} b

             LEFT JOIN {block_instances} binst ON binst.blockname = b.name

              GROUP BY b.id,

                       b.name

              ORDER BY b.name ASC';

        $this->blockdata = $DB->get_records_sql($sql);

        $sql = "SELECT blockname

                  FROM {block_instances}

                 WHERE pagetypepattern = 'course-view-*'

              GROUP BY blockname";

        $this->courseblocks = $DB->get_records_sql($sql);

    }

    protected function get_plugintype(): string {

        return 'block';

    }

    public function guess_base_url(): void {

        $this->define_baseurl(

            new moodle_url('/admin/blocks.php')

        );

    }

    protected function get_action_url(array $params = []): moodle_url {

        return new moodle_url('/admin/blocks.php', $params);

    }

    protected function get_table_js_module(): string {

        return 'core_admin/block_management_table';

    }

    protected function get_column_list(): array {

        $columns = parent::get_column_list();

        return array_merge(

            array_slice($columns, 0, 1, true),

            ['instances' => get_string('blockinstances', 'admin')],

            array_slice($columns, 1, 2, true),

            ['protect' => get_string('blockprotect', 'admin')],

            array_slice($columns, 3, null, true),

        );

    }

    protected function get_columns_with_help(): array {

        return [

            'protect' => new \help_icon('blockprotect', 'admin'),

        ];

    }

    /**

     * Render the instances column

     * @param stdClass $row

     * @return string

     */

    protected function col_instances(stdClass $row): string {

        $blockdata = $this->blockdata[$row->plugininfo->name];

        if (array_key_exists($blockdata->name, $this->courseblocks)) {

            return html_writer::link(

                new moodle_url('/course/search.php', [

                    'blocklist' => $blockdata->id,

                ]),

                $blockdata->totalcount,

            );

        }

        return $blockdata->totalcount;

    }

    /**

     * Render the protect column.

     *

     * @param stdClass $row

     * @return string

     */

    protected function col_protect(stdClass $row): string {

        global $OUTPUT;

        $params = [

            'sesskey' => sesskey(),

        ];

        $protected = in_array($row->plugininfo->name, $this->undeletableblocktypes);

        $pluginname = $row->plugininfo->displayname;

        if ($protected) {

            $params['unprotect'] = $row->plugininfo->name;

            $icon = $OUTPUT->pix_icon('t/unlock', get_string('blockunprotectblock', 'admin', $pluginname));

        } else {

            $params['protect'] = $row->plugininfo->name;

            $icon = $OUTPUT->pix_icon('t/lock', get_string('blockprotectblock', 'admin', $pluginname));

        }

        return html_writer::link(

            $this->get_action_url($params),

            $icon,

            [

                'data-action' => 'toggleprotectstate',

                'data-plugin' => $row->plugin,

                'data-target-state' => $protected ? 0 : 1,

            ],

        );

        return '';

    }

}