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/>.

/**

 * Template cohorts table.

 *

 * @package    tool_lp

 * @copyright  2015 Frédéric Massart - FMCorz.net

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

 */

namespace tool_lp\output;

defined('MOODLE_INTERNAL') || die();

require_once($CFG->libdir . '/tablelib.php');

use html_writer;

use moodle_url;

use table_sql;

use core_competency\template;

/**

 * Template cohorts table class.

 *

 * Note that presently this table may display some rows although the current user

 * does not have permission to view those cohorts.

 *

 * @package    tool_lp

 * @copyright  2015 Frédéric Massart - FMCorz.net

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

 */

class template_cohorts_table extends table_sql {

    /** @var context The context. */

    protected $context;

    /** @var \core_competency\template The template. */

    protected $template;

    /**

     * Sets up the table.

     *

     * @param string $uniqueid Unique id of table.

     * @param \core_competency\template $template The template.

     */

    public function __construct($uniqueid, \core_competency\template $template) {

        parent::__construct($uniqueid);

         // This object should not be used without the right permissions.

        if (!$template->can_read()) {

            throw new \required_capability_exception($template->get_context(), 'moodle/competency:templateview',

                'nopermissions', '');

        }

        // Set protected properties.

        $this->template = $template;

        $this->context = $this->template->get_context();

        // Define columns in the table.

        $this->define_table_columns();

        // Define configs.

        $this->define_table_configs();

    }

    /**

     * Column actions.

     *

     * @param  object $row

     * @return string

     */

    protected function col_actions($row) {

        global $OUTPUT;

        $action = new \confirm_action(get_string('areyousure'));

        $url = new moodle_url($this->baseurl);

        $url->params(array('removecohort' => $row->id, 'sesskey' => sesskey()));

        $actionlink = $OUTPUT->action_link($url, '', $action, null, new \pix_icon('t/delete',

            get_string('stopsyncingcohort', 'tool_lp')));

        return $actionlink;

    }

    /**

     * Setup the headers for the table.

     */

    protected function define_table_columns() {

        // Define headers and columns.

        $cols = array(

            'name' => get_string('name', 'cohort'),

            'idnumber' => get_string('idnumber', 'cohort'),

        );

        if ($this->template->can_manage()) {

            $cols['actions'] = get_string('actions');

        }

        $this->define_columns(array_keys($cols));

        $this->define_headers(array_values($cols));

    }

    /**

     * Define table configs.

     */

    protected function define_table_configs() {

        $this->collapsible(false);

        $this->sortable(true, 'name', SORT_ASC);

        $this->pageable(true);

        $this->no_sorting('actions');

    }

    /**

     * Builds the SQL query.

     *

     * @param bool $count When true, return the count SQL.

     * @return array containing sql to use and an array of params.

     */

    protected function get_sql_and_params($count = false) {

        $fields = 'c.id, c.name, c.idnumber';

        if ($count) {

            $select = "COUNT(1)";

        } else {

            $select = "$fields";

        }

        $sql = "SELECT $select

                  FROM {" . \core_competency\template_cohort::TABLE . "} tc

                  JOIN {cohort} c ON c.id = tc.cohortid

                 WHERE tc.templateid = :templateid";

        $params = array('templateid' => $this->template->get('id'));

        // Add order by if needed.

        if (!$count && $sqlsort = $this->get_sql_sort()) {

            $sql .= " ORDER BY " . $sqlsort;

        }

        return array($sql, $params);

    }

    /**

     * Override the default implementation to set a notification.

     */

    public function print_nothing_to_display() {

        global $OUTPUT;

        echo $this->render_reset_button();

        $this->print_initials_bar();

        echo $OUTPUT->notification(get_string('nothingtodisplay'), 'info', false);

    }

    /**

     * Query the DB.

     *

     * @param int $pagesize size of page for paginated displayed table.

     * @param bool $useinitialsbar do you want to use the initials bar.

     */

    public function query_db($pagesize, $useinitialsbar = true) {

        global $DB;

        list($countsql, $countparams) = $this->get_sql_and_params(true);

        list($sql, $params) = $this->get_sql_and_params();

        $total = $DB->count_records_sql($countsql, $countparams);

        $this->pagesize($pagesize, $total);

        $this->rawdata = $DB->get_records_sql($sql, $params, $this->get_page_start(), $this->get_page_size());

        // Set initial bars.

        if ($useinitialsbar) {

            $this->initialbars($total > $pagesize);

        }

    }

}