Proyectos de Subversion Moodle

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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
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/**
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 * An override grade checkbox element
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 *
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 * @package   gradereport_singleview
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 * @copyright 2014 Moodle Pty Ltd (http://moodle.com)
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 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 */
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namespace gradereport_singleview\local\ui;
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use context_course;
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defined('MOODLE_INTERNAL') || die;
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/**
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 * An override grade checkbox element
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 *
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 * @package   gradereport_singleview
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 * @copyright 2014 Moodle Pty Ltd (http://moodle.com)
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 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 */
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class override extends grade_attribute_format implements be_checked, be_disabled, be_readonly {
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    /**
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     * The name for this input
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     * @var string $name
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     */
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    public $name = 'override';
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    /**
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     * Is this input checked
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     *
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     * @return bool
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     */
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    public function is_checked(): bool {
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        return $this->grade->is_overridden();
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    }
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    /**
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     * Is this input disabled
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     *
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     * @return bool
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     */
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    public function is_disabled(): bool {
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        $lockedgrade = $lockedgradeitem = 0;
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        if (!empty($this->grade->locked)) {
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            $lockedgrade = 1;
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        }
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        if (!empty($this->grade->grade_item->locked)) {
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            $lockedgradeitem = 1;
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        }
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        return ($lockedgrade || $lockedgradeitem);
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    }
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    /**
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     * Return true if this is read-only.
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     *
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     * @return bool
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     */
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    public function is_readonly(): bool {
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        global $USER;
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        return empty($USER->editing);
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    }
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    /**
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     * Get the label for this form element.
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     *
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     * @return string
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     */
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    public function get_label(): string {
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        if (!isset($this->grade->label)) {
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            $this->grade->label = '';
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        }
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        return $this->grade->label;
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    }
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    /**
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     * Generate the element for this form input.
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     *
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     * @return element
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     */
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    public function determine_format(): element {
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        // If the grade is hidden and the user does not have permission to view hidden grades,
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        // then we don't show the override checkbox.
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        $allowhiddenoverride = (!$this->grade->is_hidden() && !$this->grade->grade_item->is_hidden()) ||
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            has_capability('moodle/grade:viewhidden', context_course::instance($this->grade->grade_item->courseid));
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        if (!$allowhiddenoverride || !$this->grade->grade_item->is_overridable_item()) {
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            return new empty_element();
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        }
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        return new checkbox_attribute(
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            $this->get_name(),
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            $this->get_label(),
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            $this->is_checked(),
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            $this->is_disabled(),
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            $this->is_readonly()
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        );
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    }
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    /**
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     * Save the modified value of this form element.
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     *
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     * @param string $value The new value to set
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     * @return mixed string|false Any error message
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     */
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    public function set($value) {
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        if (empty($this->grade->id)) {
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            return false;
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        }
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        $state = !($value == 0);
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        $this->grade->set_overridden($state);
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        $this->grade->grade_item->force_regrading();
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        return false;
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    }
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}