first commit

2024-09-30 18:11:26 -04:00
commit e592ca6823
27270 changed files with 5002257 additions and 0 deletions
@@ -0,0 +1,87 @@
+<?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/>.
+
+/**
+ * Customfield Checkbox plugin
+ *
+ * @package   customfield_checkbox
+ * @copyright 2018 Daniel Neis Araujo <daniel@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace customfield_checkbox;
+
+use core_customfield\api;
+use core_customfield\output\field_data;
+
+defined('MOODLE_INTERNAL') || die;
+
+/**
+ * Class data
+ *
+ * @package customfield_checkbox
+ * @copyright 2018 Daniel Neis Araujo <daniel@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class data_controller extends \core_customfield\data_controller {
+
+    /**
+     * Return the name of the field where the information is stored
+     * @return string
+     */
+    public function datafield(): string {
+        return 'intvalue';
+    }
+
+    /**
+     * Add fields for editing a checkbox field.
+     *
+     * @param \MoodleQuickForm $mform
+     */
+    public function instance_form_definition(\MoodleQuickForm $mform) {
+        $field = $this->get_field();
+        $config = $field->get('configdata');
+        $elementname = $this->get_form_element_name();
+        // If checkbox is required (i.e. "agree to terms") then use 'checkbox' form element.
+        // The advcheckbox element cannot be used for required fields because advcheckbox elements always provide a value.
+        $isrequired = $field->get_configdata_property('required');
+        $mform->addElement($isrequired ? 'checkbox' : 'advcheckbox', $elementname, $this->get_field()->get_formatted_name());
+        $mform->setDefault($elementname, $config['checkbydefault']);
+        $mform->setType($elementname, PARAM_BOOL);
+        if ($isrequired) {
+            $mform->addRule($elementname, null, 'required', null, 'client');
+        }
+    }
+
+    /**
+     * Returns the default value as it would be stored in the database (not in human-readable format).
+     *
+     * @return mixed
+     */
+    public function get_default_value() {
+        return $this->get_field()->get_configdata_property('checkbydefault') ? 1 : 0;
+    }
+
+    /**
+     * Returns value in a human-readable format
+     *
+     * @return mixed|null value or null if empty
+     */
+    public function export_value() {
+        $value = $this->get_value();
+        return $value ? get_string('yes') : get_string('no');
+    }
+}
@@ -0,0 +1,94 @@
+<?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/>.
+
+/**
+ * Customfields checkbox plugin
+ *
+ * @package   customfield_checkbox
+ * @copyright 2018 David Matamoros <davidmc@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace customfield_checkbox;
+
+defined('MOODLE_INTERNAL') || die;
+
+/**
+ * Class field
+ *
+ * @package customfield_checkbox
+ * @copyright 2018 David Matamoros <davidmc@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class field_controller  extends \core_customfield\field_controller {
+    /**
+     * Plugin type
+     */
+    const TYPE = 'checkbox';
+
+    /**
+     * Add fields for editing a checkbox field.
+     *
+     * @param \MoodleQuickForm $mform
+     */
+    public function config_form_definition(\MoodleQuickForm $mform) {
+        $mform->addElement('header', 'header_specificsettings', get_string('specificsettings', 'customfield_checkbox'));
+        $mform->setExpanded('header_specificsettings', true);
+
+        $mform->addElement('selectyesno', 'configdata[checkbydefault]', get_string('checkedbydefault', 'customfield_checkbox'));
+        $mform->setType('configdata[checkbydefault]', PARAM_BOOL);
+    }
+
+    /**
+     * Validate the data on the field configuration form
+     *
+     * @param array $data from the add/edit profile field form
+     * @param array $files
+     * @return array associative array of error messages
+     */
+    public function config_form_validation(array $data, $files = array()): array {
+        $errors = parent::config_form_validation($data, $files);
+
+        if ($data['configdata']['uniquevalues']) {
+            $errors['configdata[uniquevalues]'] = get_string('errorconfigunique', 'customfield_checkbox');
+        }
+
+        return $errors;
+    }
+
+    /**
+     * Does this custom field type support being used as part of the block_myoverview
+     * custom field grouping?
+     * @return bool
+     */
+    public function supports_course_grouping(): bool {
+        return true;
+    }
+
+    /**
+     * If this field supports course grouping, then this function needs overriding to
+     * return the formatted values for this.
+     * @param array $values the used values that need formatting
+     * @return array
+     */
+    public function course_grouping_format_values($values): array {
+        $name = $this->get_formatted_name();
+        return [
+            1 => $name.': '.get_string('yes'),
+            BLOCK_MYOVERVIEW_CUSTOMFIELD_EMPTY => $name.': '.get_string('no'),
+        ];
+    }
+}
@@ -0,0 +1,81 @@
+<?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/>.
+
+/**
+ * Privacy Subsystem implementation for customfield_checkbox.
+ *
+ * @package    customfield_checkbox
+ * @copyright  2018 Daniel Neis Araujo <danielneis@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+namespace customfield_checkbox\privacy;
+
+use core_customfield\data_controller;
+use core_customfield\privacy\customfield_provider;
+use core_privacy\local\request\writer;
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Privacy Subsystem for customfield_checkbox implementing null_provider.
+ *
+ * @copyright  2018 Daniel Neis Araujo <danielneis@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class provider implements \core_privacy\local\metadata\null_provider, customfield_provider {
+
+    /**
+     * Get the language string identifier with the component's language
+     * file to explain why this plugin stores no data.
+     *
+     * @return  string
+     */
+    public static function get_reason(): string {
+        return 'privacy:metadata';
+    }
+
+    /**
+     * Preprocesses data object that is going to be exported
+     *
+     * @param data_controller $data
+     * @param \stdClass $exportdata
+     * @param array $subcontext
+     */
+    public static function export_customfield_data(data_controller $data, \stdClass $exportdata, array $subcontext) {
+        writer::with_context($data->get_context())->export_data($subcontext, $exportdata);
+    }
+
+    /**
+     * Allows plugins to delete everything they store related to the data (usually files)
+     *
+     * @param string $dataidstest
+     * @param array $params
+     * @param array $contextids
+     * @return mixed|void
+     */
+    public static function before_delete_data(string $dataidstest, array $params, array $contextids) {
+    }
+
+    /**
+     * Allows plugins to delete everything they store related to the field configuration (usually files)
+     *
+     * @param string $fieldidstest
+     * @param array $params
+     * @param array $contextids
+     */
+    public static function before_delete_fields(string $fieldidstest, array $params, array $contextids) {
+    }
+}
@@ -0,0 +1,30 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Customfield checkbox plugin
+ * @package   customfield_checkbox
+ * @copyright 2018 Toni Barbera <toni@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$string['checkedbydefault'] = 'Checked by default';
+$string['errorconfigunique'] = 'The checkbox field cannot be defined as unique.';
+$string['pluginname'] = 'Checkbox';
+$string['privacy:metadata'] = 'The Checkbox field type plugin doesn\'t store any personal data; it uses tables defined in core.';
+$string['specificsettings'] = 'Checkbox field settings';
@@ -0,0 +1,78 @@
+@customfield @customfield_checkbox @javascript
+Feature: Managers can manage course custom fields checkbox
+  In order to have additional data on the course
+  As a manager
+  I need to create, edit, remove and sort custom fields
+
+  Background:
+    Given the following "custom field categories" exist:
+      | name              | component   | area   | itemid |
+      | Category for test | core_course | course | 0      |
+    And I log in as "admin"
+    And I navigate to "Courses > Default settings > Course custom fields" in site administration
+
+  Scenario: Create a custom course checkbox field
+    When I click on "Add a new custom field" "link"
+    And I click on "Checkbox" "link"
+    And I set the following fields to these values:
+      | Name       | Test field |
+      | Short name | testfield  |
+    And I click on "Save changes" "button" in the "Adding a new Checkbox" "dialogue"
+    Then I should see "Test field"
+    And I log out
+
+  Scenario: Edit a custom course checkbox field
+    When I click on "Add a new custom field" "link"
+    And I click on "Checkbox" "link"
+    And I set the following fields to these values:
+      | Name       | Test field |
+      | Short name | testfield  |
+    And I click on "Save changes" "button" in the "Adding a new Checkbox" "dialogue"
+    And I click on "Edit" "link" in the "Test field" "table_row"
+    And I set the following fields to these values:
+      | Name | Edited field |
+    And I click on "Save changes" "button" in the "Updating Test field" "dialogue"
+    Then I should see "Edited field"
+    And I should not see "Test field"
+
+  Scenario: Delete a custom course checkbox field
+    When I click on "Add a new custom field" "link"
+    And I click on "Checkbox" "link"
+    And I set the following fields to these values:
+      | Name       | Test field |
+      | Short name | testfield  |
+    And I click on "Save changes" "button" in the "Adding a new Checkbox" "dialogue"
+    And I click on "Delete" "link" in the "Test field" "table_row"
+    And I click on "Yes" "button" in the "Confirm" "dialogue"
+    Then I should not see "Test field"
+    And I log out
+
+  Scenario: A checkbox checked by default must be shown on listing but allow uncheck that will keep showing
+    Given the following "users" exist:
+      | username | firstname | lastname  | email                |
+      | teacher1 | Teacher   | Example 1 | teacher1@example.com |
+    And the following "courses" exist:
+      | fullname | shortname | format |
+      | Course 1 | C1        | topics |
+    And the following "course enrolments" exist:
+      | user     | course | role           |
+      | teacher1 | C1     | editingteacher |
+    When I click on "Add a new custom field" "link"
+    And I click on "Checkbox" "link"
+    And I set the following fields to these values:
+      | Name               | Test field |
+      | Short name         | testfield  |
+      | Checked by default | Yes        |
+    And I click on "Save changes" "button" in the "Adding a new Checkbox" "dialogue"
+    And I log out
+    And I log in as "teacher1"
+    And I am on site homepage
+    Then I should see "Test field: Yes"
+    When I am on "Course 1" course homepage
+    And I navigate to "Settings" in current page administration
+    And I expand all fieldsets
+    And I set the field "Test field" to ""
+    And I press "Save and display"
+    And I am on site homepage
+    Then I should see "Test field: No"
+    And I log out
@@ -0,0 +1,172 @@
+<?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 customfield_checkbox;
+
+use core_customfield_generator;
+use core_customfield_test_instance_form;
+
+/**
+ * Functional test for customfield_checkbox
+ *
+ * @package    customfield_checkbox
+ * @copyright  2019 Marina Glancy
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class plugin_test extends \advanced_testcase {
+
+    /** @var \stdClass[]  */
+    private $courses = [];
+    /** @var \core_customfield\category_controller */
+    private $cfcat;
+    /** @var \core_customfield\field_controller[] */
+    private $cfields;
+    /** @var \core_customfield\data_controller[] */
+    private $cfdata;
+
+    /**
+     * Tests set up.
+     */
+    public function setUp(): void {
+        $this->resetAfterTest();
+
+        $this->cfcat = $this->get_generator()->create_category();
+
+        $this->cfields[1] = $this->get_generator()->create_field(
+            ['categoryid' => $this->cfcat->get('id'), 'shortname' => 'myfield1', 'type' => 'checkbox']);
+        $this->cfields[2] = $this->get_generator()->create_field(
+            ['categoryid' => $this->cfcat->get('id'), 'shortname' => 'myfield2', 'type' => 'checkbox',
+                'configdata' => ['required' => 1]]);
+        $this->cfields[3] = $this->get_generator()->create_field(
+            ['categoryid' => $this->cfcat->get('id'), 'shortname' => 'myfield3', 'type' => 'checkbox',
+                'configdata' => ['checkbydefault' => 1]]);
+
+        $this->courses[1] = $this->getDataGenerator()->create_course();
+        $this->courses[2] = $this->getDataGenerator()->create_course();
+        $this->courses[3] = $this->getDataGenerator()->create_course();
+
+        $this->cfdata[1] = $this->get_generator()->add_instance_data($this->cfields[1], $this->courses[1]->id, 1);
+        $this->cfdata[2] = $this->get_generator()->add_instance_data($this->cfields[1], $this->courses[2]->id, 1);
+
+        $this->setUser($this->getDataGenerator()->create_user());
+    }
+
+    /**
+     * Get generator
+     * @return core_customfield_generator
+     */
+    protected function get_generator(): core_customfield_generator {
+        return $this->getDataGenerator()->get_plugin_generator('core_customfield');
+    }
+
+    /**
+     * Test for initialising field and data controllers
+     */
+    public function test_initialise(): void {
+        $f = \core_customfield\field_controller::create($this->cfields[1]->get('id'));
+        $this->assertTrue($f instanceof field_controller);
+
+        $f = \core_customfield\field_controller::create(0, (object)['type' => 'checkbox'], $this->cfcat);
+        $this->assertTrue($f instanceof field_controller);
+
+        $d = \core_customfield\data_controller::create($this->cfdata[1]->get('id'));
+        $this->assertTrue($d instanceof data_controller);
+
+        $d = \core_customfield\data_controller::create(0, null, $this->cfields[1]);
+        $this->assertTrue($d instanceof data_controller);
+    }
+
+    /**
+     * Test for configuration form functions
+     *
+     * Create a configuration form and submit it with the same values as in the field
+     */
+    public function test_config_form(): void {
+        $this->setAdminUser();
+        $submitdata = (array)$this->cfields[1]->to_record();
+        $submitdata['configdata'] = $this->cfields[1]->get('configdata');
+
+        $submitdata = \core_customfield\field_config_form::mock_ajax_submit($submitdata);
+        $form = new \core_customfield\field_config_form(null, null, 'post', '', null, true,
+            $submitdata, true);
+        $form->set_data_for_dynamic_submission();
+        $this->assertTrue($form->is_validated());
+        $form->process_dynamic_submission();
+
+        // Try submitting with 'unique values' checked.
+        $submitdata['configdata']['uniquevalues'] = 1;
+
+        $submitdata = \core_customfield\field_config_form::mock_ajax_submit($submitdata);
+        $form = new \core_customfield\field_config_form(null, null, 'post', '', null, true,
+            $submitdata, true);
+        $form->set_data_for_dynamic_submission();
+        $this->assertFalse($form->is_validated());
+    }
+
+    /**
+     * Test for instance form functions
+     */
+    public function test_instance_form(): void {
+        global $CFG;
+        require_once($CFG->dirroot . '/customfield/tests/fixtures/test_instance_form.php');
+        $this->setAdminUser();
+        $handler = $this->cfcat->get_handler();
+
+        // First try to submit without required field.
+        $submitdata = (array)$this->courses[1];
+        core_customfield_test_instance_form::mock_submit($submitdata, []);
+        $form = new core_customfield_test_instance_form('POST',
+            ['handler' => $handler, 'instance' => $this->courses[1]]);
+        $this->assertFalse($form->is_validated());
+
+        // Now with required field.
+        $submitdata['customfield_myfield2'] = 1;
+        core_customfield_test_instance_form::mock_submit($submitdata, []);
+        $form = new core_customfield_test_instance_form('POST',
+            ['handler' => $handler, 'instance' => $this->courses[1]]);
+        $this->assertTrue($form->is_validated());
+
+        $data = $form->get_data();
+        $this->assertNotEmpty($data->customfield_myfield1);
+        $this->assertNotEmpty($data->customfield_myfield2);
+        $handler->instance_form_save($data);
+    }
+
+    /**
+     * Test for data_controller::get_value and export_value
+     */
+    public function test_get_export_value(): void {
+        $this->assertEquals(1, $this->cfdata[1]->get_value());
+        $this->assertEquals('Yes', $this->cfdata[1]->export_value());
+
+        // Field without data.
+        $d = \core_customfield\data_controller::create(0, null, $this->cfields[2]);
+        $this->assertEquals(0, $d->get_value());
+        $this->assertEquals('No', $d->export_value());
+
+        // Field without data that is checked by default.
+        $d = \core_customfield\data_controller::create(0, null, $this->cfields[3]);
+        $this->assertEquals(1, $d->get_value());
+        $this->assertEquals('Yes', $d->export_value());
+    }
+
+    /**
+     * Deleting fields and data
+     */
+    public function test_delete(): void {
+        $this->cfcat->get_handler()->delete_all();
+    }
+}
@@ -0,0 +1,28 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Customfield checkbox plugin
+ * @package   customfield_checkbox
+ * @copyright 2018 Toni Barbera <toni@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$plugin->component = 'customfield_checkbox';
+$plugin->version   = 2024042200;
+$plugin->requires  = 2024041600;
@@ -0,0 +1,147 @@
+<?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/>.
+
+/**
+ * Customfield date plugin
+ *
+ * @package   customfield_date
+ * @copyright 2018 Daniel Neis Araujo <daniel@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace customfield_date;
+
+use core_customfield\api;
+
+defined('MOODLE_INTERNAL') || die;
+
+/**
+ * Class data
+ *
+ * @package customfield_date
+ * @copyright 2018 Daniel Neis Araujo <daniel@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class data_controller extends \core_customfield\data_controller {
+
+    /**
+     * Return the name of the field where the information is stored
+     * @return string
+     */
+    public function datafield(): string {
+        return 'intvalue';
+    }
+
+    /**
+     * Add fields for editing data of a date field on a context.
+     *
+     * @param \MoodleQuickForm $mform
+     */
+    public function instance_form_definition(\MoodleQuickForm $mform) {
+        $field = $this->get_field();
+        // Get the current calendar in use - see MDL-18375.
+        $calendartype = \core_calendar\type_factory::get_calendar_instance();
+
+        $config = $field->get('configdata');
+
+        // Always set the form element to "optional", even when it's required. Otherwise it defaults to the
+        // current date and is easy to miss.
+        $attributes = ['optional' => true];
+
+        if (!empty($config['mindate'])) {
+            $attributes['startyear'] = $calendartype->timestamp_to_date_array($config['mindate'])['year'];
+        }
+
+        if (!empty($config['maxdate'])) {
+            $attributes['stopyear'] = $calendartype->timestamp_to_date_array($config['maxdate'])['year'];
+        }
+
+        if (empty($config['includetime'])) {
+            $element = 'date_selector';
+        } else {
+            $element = 'date_time_selector';
+        }
+        $elementname = $this->get_form_element_name();
+        $mform->addElement($element, $elementname, $this->get_field()->get_formatted_name(), $attributes);
+        $mform->setType($elementname, PARAM_INT);
+        $mform->setDefault($elementname, time());
+        if ($field->get_configdata_property('required')) {
+            $mform->addRule($elementname, null, 'required', null, 'client');
+        }
+    }
+
+    /**
+     * Validates data for this field.
+     *
+     * @param array $data
+     * @param array $files
+     * @return array
+     */
+    public function instance_form_validation(array $data, array $files): array {
+        $errors = parent::instance_form_validation($data, $files);
+
+        $elementname = $this->get_form_element_name();
+        if (!empty($data[$elementname])) {
+            // Compare the date with min/max values, trim the date to the minute or to the day (depending on inludetime setting).
+            $includetime = $this->get_field()->get_configdata_property('includetime');
+            $machineformat = $includetime ? '%Y-%m-%d %H:%M' : '%Y-%m-%d';
+            $humanformat = $includetime ? get_string('strftimedatetimeshort') : get_string('strftimedatefullshort');
+            $value = userdate($data[$elementname], $machineformat, 99, false, false);
+            $mindate = $this->get_field()->get_configdata_property('mindate');
+            $maxdate = $this->get_field()->get_configdata_property('maxdate');
+
+            if ($mindate && userdate($mindate, $machineformat, 99, false, false) > $value) {
+                $errors[$elementname] = get_string('errormindate', 'customfield_date', userdate($mindate, $humanformat));
+            }
+            if ($maxdate && userdate($maxdate, $machineformat, 99, false, false) < $value) {
+                $errors[$elementname] = get_string('errormaxdate', 'customfield_date', userdate($maxdate, $humanformat));
+            }
+        }
+
+        return $errors;
+    }
+
+    /**
+     * Returns the default value as it would be stored in the database (not in human-readable format).
+     *
+     * @return mixed
+     */
+    public function get_default_value() {
+        return 0;
+    }
+
+    /**
+     * Returns value in a human-readable format
+     *
+     * @return mixed|null value or null if empty
+     */
+    public function export_value() {
+        $value = $this->get_value();
+
+        if ($this->is_empty($value)) {
+            return null;
+        }
+
+        // Check if time needs to be included.
+        if ($this->get_field()->get_configdata_property('includetime')) {
+            $format = get_string('strftimedaydatetime', 'langconfig');
+        } else {
+            $format = get_string('strftimedate', 'langconfig');
+        }
+
+        return userdate($value, $format);
+    }
+}
@@ -0,0 +1,130 @@
+<?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/>.
+
+/**
+ * Customfield date plugin
+ *
+ * @package   customfield_date
+ * @copyright 2018 David Matamoros <davidmc@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace customfield_date;
+
+defined('MOODLE_INTERNAL') || die;
+
+/**
+ * Class field
+ *
+ * @package customfield_date
+ * @copyright 2018 David Matamoros <davidmc@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class field_controller extends \core_customfield\field_controller {
+    /**
+     * Type of plugin data
+     */
+    const TYPE = 'date';
+
+    /**
+     * Validate the data from the config form.
+     *
+     * @param array $data
+     * @param array $files
+     * @return array associative array of error messages
+     */
+    public function config_form_validation(array $data, $files = array()): array {
+        $errors = array();
+
+        // Make sure the start year is not greater than the end year.
+        if (!empty($data['configdata']['mindate']) && !empty($data['configdata']['maxdate']) &&
+                $data['configdata']['mindate'] > $data['configdata']['maxdate']) {
+            $errors['configdata[mindate]'] = get_string('mindateaftermax', 'customfield_date');
+        }
+
+        return $errors;
+    }
+
+    /**
+     * Add fields for editing a date field.
+     *
+     * @param \MoodleQuickForm $mform
+     */
+    public function config_form_definition(\MoodleQuickForm $mform) {
+        $config = $this->get('configdata');
+
+        // Add elements.
+        $mform->addElement('header', 'header_specificsettings', get_string('specificsettings', 'customfield_date'));
+        $mform->setExpanded('header_specificsettings', true);
+
+        $mform->addElement('advcheckbox', 'configdata[includetime]', get_string('includetime', 'customfield_date'));
+
+        $mform->addElement('date_time_selector', 'configdata[mindate]', get_string('mindate', 'customfield_date'),
+            ['optional' => true]);
+
+        $mform->addElement('date_time_selector', 'configdata[maxdate]', get_string('maxdate', 'customfield_date'),
+            ['optional' => true]);
+
+        $mform->hideIf('configdata[maxdate][hour]', 'configdata[includetime]');
+        $mform->hideIf('configdata[maxdate][minute]', 'configdata[includetime]');
+        $mform->hideIf('configdata[mindate][hour]', 'configdata[includetime]');
+        $mform->hideIf('configdata[mindate][minute]', 'configdata[includetime]');
+    }
+
+    /**
+     * Does this custom field type support being used as part of the block_myoverview
+     * custom field grouping?
+     * @return bool
+     */
+    public function supports_course_grouping(): bool {
+        return true;
+    }
+
+    /**
+     * If this field supports course grouping, then this function needs overriding to
+     * return the formatted values for this.
+     * @param array $values the used values that need formatting
+     * @return array
+     */
+    public function course_grouping_format_values($values): array {
+        $format = get_string('strftimedate', 'langconfig');
+        $ret = [];
+        foreach ($values as $value) {
+            if ($value) {
+                $ret[$value] = userdate($value, $format);
+            }
+        }
+        if (!$ret) {
+            return []; // If the only dates found are 0, then do not show any options.
+        }
+        $ret[BLOCK_MYOVERVIEW_CUSTOMFIELD_EMPTY] = get_string('nocustomvalue', 'block_myoverview',
+            $this->get_formatted_name());
+        return $ret;
+    }
+
+    /**
+     * Convert given value into appropriate timestamp
+     *
+     * @param string $value
+     * @return int
+     */
+    public function parse_value(string $value) {
+        $timestamp = strtotime($value);
+
+        // If we have a valid, positive timestamp then return it.
+        return $timestamp > 0 ? $timestamp : 0;
+    }
+}
@@ -0,0 +1,85 @@
+<?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/>.
+/**
+ * Privacy Subsystem implementation for customfield_date.
+ *
+ * @package    customfield_date
+ * @copyright  2018 Daniel Neis Araujo <danielneis@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace customfield_date\privacy;
+
+use core_customfield\data_controller;
+use core_customfield\privacy\customfield_provider;
+use core_privacy\local\request\writer;
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Privacy Subsystem for customfield_date implementing null_provider.
+ *
+ * @copyright  2018 Daniel Neis Araujo <danielneis@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class provider implements \core_privacy\local\metadata\null_provider, customfield_provider {
+
+    /**
+     * Get the language string identifier with the component's language
+     * file to explain why this plugin stores no data.
+     *
+     * @return  string
+     */
+    public static function get_reason(): string {
+        return 'privacy:metadata';
+    }
+
+    /**
+     * Preprocesses data object that is going to be exported
+     *
+     * @param data_controller $data
+     * @param \stdClass $exportdata
+     * @param array $subcontext
+     */
+    public static function export_customfield_data(data_controller $data, \stdClass $exportdata, array $subcontext) {
+        $context = $data->get_context();
+        // For date field we want to use PrivacyAPI date format instead of export_value().
+        $exportdata->value = \core_privacy\local\request\transform::datetime($data->get_value());
+        writer::with_context($context)
+            ->export_data($subcontext, $exportdata);
+    }
+
+    /**
+     * Allows plugins to delete everything they store related to the data (usually files)
+     *
+     * @param string $dataidstest
+     * @param array $params
+     * @param array $contextids
+     * @return mixed|void
+     */
+    public static function before_delete_data(string $dataidstest, array $params, array $contextids) {
+    }
+
+    /**
+     * Allows plugins to delete everything they store related to the field configuration (usually files)
+     *
+     * @param string $fieldidstest
+     * @param array $params
+     * @param array $contextids
+     */
+    public static function before_delete_fields(string $fieldidstest, array $params, array $contextids) {
+    }
+}
@@ -0,0 +1,35 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Customfields date plugin
+ *
+ * @package   customfield_date
+ * @copyright 2018 David Matamoros
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$string['errormaxdate'] = 'Please enter a date no later than {$a}.';
+$string['errormindate'] = 'Please enter a date on or after {$a}.';
+$string['includetime'] = 'Include time';
+$string['maxdate'] = 'Maximum value';
+$string['mindate'] = 'Minimum value';
+$string['mindateaftermax'] = 'The minimum value cannot be bigger than the maximum value.';
+$string['pluginname'] = 'Date and time';
+$string['privacy:metadata'] = 'The Date and time field type plugin doesn\'t store any personal data; it uses tables defined in core.';
+$string['specificsettings'] = 'Date and time field settings';
@@ -0,0 +1,35 @@
+<?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/>.
+
+/**
+ * Customfield date plugin
+ *
+ * @package   customfield_date
+ * @copyright 2018 Daniel Neis Araujo <daniel@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Get icon mapping for font-awesome.
+ */
+function customfield_date_get_fontawesome_icon_map() {
+    return [
+        'customfield_date:checked' => 'fa-check-square-o',
+        'customfield_date:notchecked' => 'fa-square-o',
+    ];
+}
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="16px" height="16px" viewBox="0 0 16 16" version="1.1" preserveAspectRatio="xMinYMid meet">
+<g id="surface1">
+<path style=" stroke:none;fill-rule:nonzero;fill:rgb(60%,60%,60%);fill-opacity:1;" d="M 13.144531 8.304688 L 13.144531 11.144531 C 13.144531 11.851562 12.890625 12.457031 12.386719 12.960938 C 11.886719 13.460938 11.28125 13.714844 10.570312 13.714844 L 3.144531 13.714844 C 2.433594 13.714844 1.828125 13.460938 1.324219 12.960938 C 0.824219 12.457031 0.570312 11.851562 0.570312 11.144531 L 0.570312 3.714844 C 0.570312 3.007812 0.824219 2.398438 1.324219 1.898438 C 1.828125 1.394531 2.433594 1.144531 3.144531 1.144531 L 10.570312 1.144531 C 10.945312 1.144531 11.292969 1.21875 11.617188 1.367188 C 11.707031 1.40625 11.757812 1.476562 11.777344 1.570312 C 11.792969 1.671875 11.769531 1.757812 11.695312 1.832031 L 11.257812 2.269531 C 11.199219 2.328125 11.132812 2.355469 11.054688 2.355469 C 11.035156 2.355469 11.007812 2.351562 10.972656 2.339844 C 10.835938 2.304688 10.703125 2.285156 10.570312 2.285156 L 3.144531 2.285156 C 2.75 2.285156 2.414062 2.425781 2.132812 2.707031 C 1.855469 2.984375 1.714844 3.320312 1.714844 3.714844 L 1.714844 11.144531 C 1.714844 11.535156 1.855469 11.871094 2.132812 12.152344 C 2.414062 12.429688 2.75 12.570312 3.144531 12.570312 L 10.570312 12.570312 C 10.964844 12.570312 11.300781 12.429688 11.582031 12.152344 C 11.859375 11.871094 12 11.535156 12 11.144531 L 12 8.875 C 12 8.796875 12.027344 8.730469 12.082031 8.679688 L 12.652344 8.105469 C 12.710938 8.046875 12.78125 8.019531 12.855469 8.019531 C 12.894531 8.019531 12.929688 8.027344 12.964844 8.042969 C 13.082031 8.09375 13.144531 8.179688 13.144531 8.304688 Z M 15.207031 3.9375 L 7.9375 11.207031 C 7.792969 11.347656 7.625 11.417969 7.429688 11.417969 C 7.230469 11.417969 7.0625 11.347656 6.917969 11.207031 L 3.082031 7.367188 C 2.9375 7.222656 2.867188 7.054688 2.867188 6.855469 C 2.867188 6.660156 2.9375 6.492188 3.082031 6.347656 L 4.0625 5.367188 C 4.207031 5.222656 4.375 5.152344 4.570312 5.152344 C 4.769531 5.152344 4.9375 5.222656 5.082031 5.367188 L 7.429688 7.714844 L 13.207031 1.9375 C 13.347656 1.792969 13.519531 1.722656 13.714844 1.722656 C 13.910156 1.722656 14.082031 1.792969 14.222656 1.9375 L 15.207031 2.917969 C 15.347656 3.0625 15.417969 3.230469 15.417969 3.429688 C 15.417969 3.625 15.347656 3.792969 15.207031 3.9375 Z M 15.207031 3.9375 "/>
+</g>
+</svg>
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="16px" height="16px" viewBox="0 0 16 16" version="1.1" preserveAspectRatio="xMinYMid meet">
+<g id="surface1">
+<path style=" stroke:none;fill-rule:nonzero;fill:rgb(60%,60%,60%);fill-opacity:1;" d="M 11.714844 2.285156 L 4.285156 2.285156 C 3.894531 2.285156 3.554688 2.425781 3.277344 2.707031 C 2.996094 2.984375 2.855469 3.320312 2.855469 3.714844 L 2.855469 11.144531 C 2.855469 11.535156 2.996094 11.871094 3.277344 12.152344 C 3.554688 12.429688 3.894531 12.570312 4.285156 12.570312 L 11.714844 12.570312 C 12.105469 12.570312 12.445312 12.429688 12.722656 12.152344 C 13.003906 11.871094 13.144531 11.535156 13.144531 11.144531 L 13.144531 3.714844 C 13.144531 3.320312 13.003906 2.984375 12.722656 2.707031 C 12.445312 2.425781 12.105469 2.285156 11.714844 2.285156 Z M 14.285156 3.714844 L 14.285156 11.144531 C 14.285156 11.851562 14.035156 12.457031 13.53125 12.960938 C 13.027344 13.460938 12.421875 13.714844 11.714844 13.714844 L 4.285156 13.714844 C 3.578125 13.714844 2.972656 13.460938 2.46875 12.960938 C 1.964844 12.457031 1.714844 11.851562 1.714844 11.144531 L 1.714844 3.714844 C 1.714844 3.007812 1.964844 2.398438 2.46875 1.898438 C 2.972656 1.394531 3.578125 1.144531 4.285156 1.144531 L 11.714844 1.144531 C 12.421875 1.144531 13.027344 1.394531 13.53125 1.898438 C 14.035156 2.398438 14.285156 3.007812 14.285156 3.714844 Z M 14.285156 3.714844 "/>
+</g>
+</svg>
@@ -0,0 +1,102 @@
+@customfield @customfield_date @javascript
+Feature: Managers can manage course custom fields date
+  In order to have additional data on the course
+  As a manager
+  I need to create, edit, remove and sort custom fields
+
+  Background:
+    Given the following "custom field categories" exist:
+      | name              | component   | area   | itemid |
+      | Category for test | core_course | course | 0      |
+    And I log in as "admin"
+    And I navigate to "Courses > Default settings > Course custom fields" in site administration
+
+  Scenario: Create a custom course date field
+    When I click on "Add a new custom field" "link"
+    And I click on "Date and time" "link"
+    And I set the following fields to these values:
+      | Name       | Test field |
+      | Short name | testfield  |
+    And I click on "Save changes" "button" in the "Adding a new Date and time" "dialogue"
+    Then I should see "Test field"
+    And I log out
+
+  Scenario: Edit a custom course date field
+    When I click on "Add a new custom field" "link"
+    And I click on "Date and time" "link"
+    And I set the following fields to these values:
+      | Name       | Test field |
+      | Short name | testfield  |
+    And I click on "Save changes" "button" in the "Adding a new Date and time" "dialogue"
+    And I click on "[data-role='editfield']" "css_element"
+    And I set the following fields to these values:
+      | Name | Edited field |
+    And I click on "Save changes" "button" in the "Updating Test field" "dialogue"
+    Then I should see "Edited field"
+    And I log out
+
+  Scenario: Delete a custom course date field
+    When I click on "Add a new custom field" "link"
+    And I click on "Date and time" "link"
+    And I set the following fields to these values:
+      | Name       | Test field |
+      | Short name | testfield  |
+    And I click on "Save changes" "button" in the "Adding a new Date and time" "dialogue"
+    And I click on "[data-role='deletefield']" "css_element"
+    And I click on "Yes" "button" in the "Confirm" "dialogue"
+    Then I should not see "Test field"
+    And I log out
+
+  Scenario: A date field makerd to include time must show those fields on course form
+    Given the following "users" exist:
+      | username | firstname | lastname  | email                |
+      | teacher1 | Teacher   | Example 1 | teacher1@example.com |
+    And the following "courses" exist:
+      | fullname | shortname | format |
+      | Course 1 | C1        | topics |
+    And the following "course enrolments" exist:
+      | user     | course | role           |
+      | teacher1 | C1     | editingteacher |
+    When I click on "Add a new custom field" "link"
+    And I click on "Date and time" "link"
+    And I set the following fields to these values:
+      | Name         | Test field |
+      | Short name   | testfield  |
+      | Include time | 1          |
+    And I click on "Save changes" "button" in the "Adding a new Date and time" "dialogue"
+    And I log out
+    Then I log in as "teacher1"
+    When I am on site homepage
+    When I am on "Course 1" course homepage
+    And I navigate to "Settings" in current page administration
+    And I expand all fieldsets
+    Then "#id_customfield_testfield_hour" "css_element" should be visible
+    Then "#id_customfield_testfield_minute" "css_element" should be visible
+    And I log out
+
+  Scenario: A date field makerd to not include time must not show those fields on course form
+    Given the following "users" exist:
+      | username | firstname | lastname  | email                |
+      | teacher1 | Teacher   | Example 1 | teacher1@example.com |
+    And the following "courses" exist:
+      | fullname | shortname | format |
+      | Course 1 | C1        | topics |
+    And the following "course enrolments" exist:
+      | user     | course | role           |
+      | teacher1 | C1     | editingteacher |
+    When I click on "Add a new custom field" "link"
+    And I click on "Date and time" "link"
+    And I set the following fields to these values:
+      | Name         | Test field |
+      | Short name   | testfield  |
+      | Include time |            |
+    And I click on "Save changes" "button" in the "Adding a new Date and time" "dialogue"
+    And I log out
+    Then I log in as "teacher1"
+    When I am on site homepage
+    When I am on "Course 1" course homepage
+    And I navigate to "Settings" in current page administration
+    And I expand all fieldsets
+    Then "#id_customfield_testfield_hour" "css_element" should not be visible
+    Then "#id_customfield_testfield_minute" "css_element" should not be visible
+    And I log out
@@ -0,0 +1,202 @@
+<?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 customfield_date;
+
+use core_customfield_generator;
+use core_customfield_test_instance_form;
+
+/**
+ * Functional test for customfield_date
+ *
+ * @package    customfield_date
+ * @copyright  2019 Marina Glancy
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class plugin_test extends \advanced_testcase {
+
+    /** @var stdClass[]  */
+    private $courses = [];
+    /** @var \core_customfield\category_controller */
+    private $cfcat;
+    /** @var \core_customfield\field_controller[] */
+    private $cfields;
+    /** @var \core_customfield\data_controller[] */
+    private $cfdata;
+
+    /**
+     * Tests set up.
+     */
+    public function setUp(): void {
+        $this->resetAfterTest();
+
+        $this->cfcat = $this->get_generator()->create_category();
+
+        $this->cfields[1] = $this->get_generator()->create_field(
+            ['categoryid' => $this->cfcat->get('id'), 'shortname' => 'myfield1', 'type' => 'date']);
+        $this->cfields[2] = $this->get_generator()->create_field(
+            ['categoryid' => $this->cfcat->get('id'), 'shortname' => 'myfield2', 'type' => 'date',
+                'configdata' => ['required' => 1, 'includetime' => 0, 'mindate' => 946684800, 'maxdate' => 1893456000]]);
+
+        $this->courses[1] = $this->getDataGenerator()->create_course();
+        $this->courses[2] = $this->getDataGenerator()->create_course();
+        $this->courses[3] = $this->getDataGenerator()->create_course();
+
+        $this->cfdata[1] = $this->get_generator()->add_instance_data($this->cfields[1], $this->courses[1]->id, 1546300800);
+        $this->cfdata[2] = $this->get_generator()->add_instance_data($this->cfields[1], $this->courses[2]->id, 1546300800);
+
+        $this->setUser($this->getDataGenerator()->create_user());
+    }
+
+    /**
+     * Get generator
+     * @return core_customfield_generator
+     */
+    protected function get_generator(): core_customfield_generator {
+        return $this->getDataGenerator()->get_plugin_generator('core_customfield');
+    }
+
+    /**
+     * Test for initialising field and data controllers
+     */
+    public function test_initialise(): void {
+        $f = \core_customfield\field_controller::create($this->cfields[1]->get('id'));
+        $this->assertTrue($f instanceof field_controller);
+
+        $f = \core_customfield\field_controller::create(0, (object)['type' => 'date'], $this->cfcat);
+        $this->assertTrue($f instanceof field_controller);
+
+        $d = \core_customfield\data_controller::create($this->cfdata[1]->get('id'));
+        $this->assertTrue($d instanceof data_controller);
+
+        $d = \core_customfield\data_controller::create(0, null, $this->cfields[1]);
+        $this->assertTrue($d instanceof data_controller);
+    }
+
+    /**
+     * Test for configuration form functions
+     *
+     * Create a configuration form and submit it with the same values as in the field
+     */
+    public function test_config_form(): void {
+        $this->setAdminUser();
+        $submitdata = (array)$this->cfields[1]->to_record();
+        $submitdata['configdata'] = $this->cfields[1]->get('configdata');
+
+        $submitdata = \core_customfield\field_config_form::mock_ajax_submit($submitdata);
+        $form = new \core_customfield\field_config_form(null, null, 'post', '', null, true,
+            $submitdata, true);
+        $form->set_data_for_dynamic_submission();
+        $this->assertTrue($form->is_validated());
+        $form->process_dynamic_submission();
+    }
+
+    /**
+     * Test for instance form functions
+     */
+    public function test_instance_form(): void {
+        global $CFG;
+        require_once($CFG->dirroot . '/customfield/tests/fixtures/test_instance_form.php');
+        $this->setAdminUser();
+        $handler = $this->cfcat->get_handler();
+
+        // First try to submit without required field.
+        $submitdata = (array)$this->courses[1];
+        core_customfield_test_instance_form::mock_submit($submitdata, []);
+        $form = new core_customfield_test_instance_form('POST',
+            ['handler' => $handler, 'instance' => $this->courses[1]]);
+        $this->assertFalse($form->is_validated());
+
+        // Now with required field.
+        $submitdata['customfield_myfield2'] = time();
+        core_customfield_test_instance_form::mock_submit($submitdata, []);
+        $form = new core_customfield_test_instance_form('POST',
+            ['handler' => $handler, 'instance' => $this->courses[1]]);
+        $this->assertTrue($form->is_validated());
+
+        $data = $form->get_data();
+        $this->assertEmpty($data->customfield_myfield1);
+        $this->assertNotEmpty($data->customfield_myfield2);
+        $handler->instance_form_save($data);
+    }
+
+    /**
+     * Test for min/max date validation
+     */
+    public function test_instance_form_validation(): void {
+        $this->setAdminUser();
+        $handler = $this->cfcat->get_handler();
+        $submitdata = (array)$this->courses[1];
+        $data = data_controller::create(0, null, $this->cfields[2]);
+
+        // Submit with date less than mindate.
+        $submitdata['customfield_myfield2'] = 915148800;
+        $this->assertNotEmpty($data->instance_form_validation($submitdata, []));
+
+        // Submit with date more than maxdate.
+        $submitdata['customfield_myfield2'] = 1893557000;
+        $this->assertNotEmpty($data->instance_form_validation($submitdata, []));
+    }
+
+    /**
+     * Test for data_controller::get_value and export_value
+     */
+    public function test_get_export_value(): void {
+        $this->assertEquals(1546300800, $this->cfdata[1]->get_value());
+        $this->assertStringMatchesFormat('%a 1 January 2019%a', $this->cfdata[1]->export_value());
+
+        // Field without data.
+        $d = \core_customfield\data_controller::create(0, null, $this->cfields[2]);
+        $this->assertEquals(0, $d->get_value());
+        $this->assertEquals(null, $d->export_value());
+    }
+
+    /**
+     * Data provider for {@see test_parse_value}
+     *
+     * @return array
+     */
+    public function parse_value_provider(): array {
+        return [
+            // Valid times.
+            ['2019-10-01', strtotime('2019-10-01')],
+            ['2019-10-01 14:00', strtotime('2019-10-01 14:00')],
+            // Invalid times.
+            ['ZZZZZ', 0],
+            ['202-04-01', 0],
+            ['2019-15-15', 0],
+        ];
+    }
+    /**
+     * Test field parse_value method
+     *
+     * @param string $value
+     * @param int $expected
+     * @return void
+     *
+     * @dataProvider parse_value_provider
+     */
+    public function test_parse_value(string $value, int $expected): void {
+        $this->assertSame($expected, $this->cfields[1]->parse_value($value));
+    }
+
+    /**
+     * Deleting fields and data
+     */
+    public function test_delete(): void {
+        $this->cfcat->get_handler()->delete_all();
+    }
+}
@@ -0,0 +1,30 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Customfield date plugin
+ *
+ * @package   customfield_date
+ * @copyright 2018 Toni Barbera <toni@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$plugin->component = 'customfield_date';
+$plugin->version   = 2024042200;
+$plugin->requires  = 2024041600;
+
@@ -0,0 +1,121 @@
+<?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/>.
+
+/**
+ * Select plugin data controller
+ *
+ * @package   customfield_select
+ * @copyright 2018 Daniel Neis Araujo <daniel@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace customfield_select;
+
+defined('MOODLE_INTERNAL') || die;
+
+/**
+ * Class data
+ *
+ * @package customfield_select
+ * @copyright 2018 Daniel Neis Araujo <daniel@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class data_controller extends \core_customfield\data_controller {
+
+    /**
+     * Return the name of the field where the information is stored
+     * @return string
+     */
+    public function datafield(): string {
+        return 'intvalue';
+    }
+
+    /**
+     * Returns the default value as it would be stored in the database (not in human-readable format).
+     *
+     * @return mixed
+     */
+    public function get_default_value() {
+        $defaultvalue = $this->get_field()->get_configdata_property('defaultvalue');
+        if ('' . $defaultvalue !== '') {
+            $key = array_search($defaultvalue, $this->get_field()->get_options());
+            if ($key !== false) {
+                return $key;
+            }
+        }
+        return 0;
+    }
+
+    /**
+     * Add fields for editing a textarea field.
+     *
+     * @param \MoodleQuickForm $mform
+     */
+    public function instance_form_definition(\MoodleQuickForm $mform) {
+        $field = $this->get_field();
+        $config = $field->get('configdata');
+        $options = $field->get_options();
+
+        $elementname = $this->get_form_element_name();
+        $mform->addElement('select', $elementname, $this->get_field()->get_formatted_name(), $options);
+
+        if (($defaultkey = array_search($config['defaultvalue'], $options)) !== false) {
+            $mform->setDefault($elementname, $defaultkey);
+        }
+        if ($field->get_configdata_property('required')) {
+            $mform->addRule($elementname, null, 'required', null, 'client');
+        }
+    }
+
+    /**
+     * Validates data for this field.
+     *
+     * @param array $data
+     * @param array $files
+     * @return array
+     */
+    public function instance_form_validation(array $data, array $files): array {
+        $errors = parent::instance_form_validation($data, $files);
+        if ($this->get_field()->get_configdata_property('required')) {
+            // Standard required rule does not work on select element.
+            $elementname = $this->get_form_element_name();
+            if (empty($data[$elementname])) {
+                $errors[$elementname] = get_string('err_required', 'form');
+            }
+        }
+        return $errors;
+    }
+
+    /**
+     * Returns value in a human-readable format
+     *
+     * @return mixed|null value or null if empty
+     */
+    public function export_value() {
+        $value = $this->get_value();
+
+        if ($this->is_empty($value)) {
+            return null;
+        }
+
+        $options = $this->get_field()->get_options();
+        if (array_key_exists($value, $options)) {
+            return $options[$value];
+        }
+
+        return null;
+    }
+}
@@ -0,0 +1,135 @@
+<?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 customfield_select;
+
+use coding_exception;
+
+/**
+ * Class field
+ *
+ * @package customfield_select
+ * @copyright 2018 David Matamoros <davidmc@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class field_controller extends \core_customfield\field_controller {
+    /**
+     * Customfield type
+     */
+    const TYPE = 'select';
+
+    /**
+     * Add fields for editing a select field.
+     *
+     * @param \MoodleQuickForm $mform
+     */
+    public function config_form_definition(\MoodleQuickForm $mform) {
+        $mform->addElement('header', 'header_specificsettings', get_string('specificsettings', 'customfield_select'));
+        $mform->setExpanded('header_specificsettings', true);
+
+        $mform->addElement('textarea', 'configdata[options]', get_string('menuoptions', 'customfield_select'));
+        $mform->setType('configdata[options]', PARAM_TEXT);
+
+        $mform->addElement('text', 'configdata[defaultvalue]', get_string('defaultvalue', 'core_customfield'), 'size="50"');
+        $mform->setType('configdata[defaultvalue]', PARAM_TEXT);
+    }
+
+    /**
+     * @deprecated since Moodle 3.10 - MDL-68569 please use $field->get_options
+     */
+    public static function get_options_array(): void {
+        throw new coding_exception('get_options_array() is deprecated, please use $field->get_options() instead');
+    }
+
+    /**
+     * Return configured field options
+     *
+     * @return array
+     */
+    public function get_options(): array {
+        $optionconfig = $this->get_configdata_property('options');
+        if ($optionconfig) {
+            $context = $this->get_handler()->get_configuration_context();
+            $options = array_map(
+                fn(string $option) => format_string($option, true, ['context' => $context]),
+                preg_split("/\s*\n\s*/", trim($optionconfig), -1, PREG_SPLIT_NO_EMPTY),
+            );
+        } else {
+            $options = array();
+        }
+        return array_merge([''], $options);
+    }
+
+    /**
+     * Validate the data from the config form.
+     * Sub classes must reimplement it.
+     *
+     * @param array $data from the add/edit profile field form
+     * @param array $files
+     * @return array associative array of error messages
+     */
+    public function config_form_validation(array $data, $files = array()): array {
+        $options = preg_split("/\s*\n\s*/", trim($data['configdata']['options']));
+        $errors = [];
+        if (!$options || count($options) < 2) {
+            $errors['configdata[options]'] = get_string('errornotenoughoptions', 'customfield_select');
+        } else if (!empty($data['configdata']['defaultvalue'])) {
+            $defaultkey = array_search($data['configdata']['defaultvalue'], $options);
+            if ($defaultkey === false) {
+                $errors['configdata[defaultvalue]'] = get_string('errordefaultvaluenotinlist', 'customfield_select');
+            }
+        }
+        return $errors;
+    }
+
+    /**
+     * Does this custom field type support being used as part of the block_myoverview
+     * custom field grouping?
+     * @return bool
+     */
+    public function supports_course_grouping(): bool {
+        return true;
+    }
+
+    /**
+     * If this field supports course grouping, then this function needs overriding to
+     * return the formatted values for this.
+     * @param array $values the used values that need formatting
+     * @return array
+     */
+    public function course_grouping_format_values($values): array {
+        $options = $this->get_options();
+        $ret = [];
+        foreach ($values as $value) {
+            if (isset($options[$value])) {
+                $ret[$value] = $options[$value];
+            }
+        }
+        $ret[BLOCK_MYOVERVIEW_CUSTOMFIELD_EMPTY] = get_string('nocustomvalue', 'block_myoverview',
+            $this->get_formatted_name());
+        return $ret;
+    }
+
+    /**
+     * Locate the value parameter in the field options array, and return it's index
+     *
+     * @param string $value
+     * @return int
+     */
+    public function parse_value(string $value) {
+        return (int) array_search($value, $this->get_options());
+    }
+}
@@ -0,0 +1,83 @@
+<?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/>.
+/**
+ * Privacy Subsystem implementation for customfield_select.
+ *
+ * @package    customfield_select
+ * @copyright  2018 Daniel Neis Araujo <danielneis@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+namespace customfield_select\privacy;
+
+use core_customfield\data_controller;
+use core_customfield\privacy\customfield_provider;
+use core_privacy\local\request\writer;
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Privacy Subsystem for customfield_select implementing null_provider.
+ *
+ * @copyright  2018 Daniel Neis Araujo <danielneis@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class provider implements \core_privacy\local\metadata\null_provider, customfield_provider {
+
+    /**
+     * Get the language string identifier with the component's language
+     * file to explain why this plugin stores no data.
+     *
+     * @return  string
+     */
+    public static function get_reason(): string {
+        return 'privacy:metadata';
+    }
+
+    /**
+     * Preprocesses data object that is going to be exported
+     *
+     * @param data_controller $data
+     * @param \stdClass $exportdata
+     * @param array $subcontext
+     */
+    public static function export_customfield_data(data_controller $data, \stdClass $exportdata, array $subcontext) {
+        $context = $data->get_context();
+        $exportdata->value = $data->export_value();
+        writer::with_context($context)
+            ->export_data($subcontext, $exportdata);
+    }
+
+    /**
+     * Allows plugins to delete everything they store related to the data (usually files)
+     *
+     * @param string $dataidstest
+     * @param array $params
+     * @param array $contextids
+     * @return mixed|void
+     */
+    public static function before_delete_data(string $dataidstest, array $params, array $contextids) {
+    }
+
+    /**
+     * Allows plugins to delete everything they store related to the field configuration (usually files)
+     *
+     * @param string $fieldidstest
+     * @param array $params
+     * @param array $contextids
+     */
+    public static function before_delete_fields(string $fieldidstest, array $params, array $contextids) {
+    }
+}
@@ -0,0 +1,33 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Customfield text field plugin strings
+ *
+ * @package   customfield_select
+ * @copyright 2018 Toni Barbera <toni@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$string['errordefaultvaluenotinlist'] = 'The default value must be one of the options from the list above.';
+$string['errornotenoughoptions'] = 'Please provide at least two options, with each on a new line.';
+$string['invalidoption'] = 'Invalid option selected';
+$string['menuoptions'] = 'Menu options (one per line)';
+$string['pluginname'] = 'Dropdown menu';
+$string['privacy:metadata'] = 'The Dropdown menu field type plugin doesn\'t store any personal data; it uses tables defined in core.';
+$string['specificsettings'] = 'Dropdown menu field settings';
@@ -0,0 +1,85 @@
+@customfield @customfield_select @javascript
+Feature: Managers can manage course custom fields select
+  In order to have additional data on the course
+  As a manager
+  I need to create, edit, remove and sort custom fields
+
+  Background:
+    Given the following "custom field categories" exist:
+      | name              | component   | area   | itemid |
+      | Category for test | core_course | course | 0      |
+    And I log in as "admin"
+    And I navigate to "Courses > Default settings > Course custom fields" in site administration
+
+  Scenario: Create a custom course select field
+    When I click on "Add a new custom field" "link"
+    And I click on "Dropdown menu" "link"
+    And I set the following fields to these values:
+      | Name       | Test field |
+      | Short name | testfield  |
+    And I set the field "Menu options (one per line)" to multiline:
+    """
+    a
+    b
+    """
+    And I click on "Save changes" "button" in the "Adding a new Dropdown menu" "dialogue"
+    Then I should see "Test field"
+    And I log out
+
+  Scenario: Edit a custom course select field
+    When I click on "Add a new custom field" "link"
+    And I click on "Dropdown menu" "link"
+    And I set the following fields to these values:
+      | Name       | Test field |
+      | Short name | testfield  |
+    And I set the field "Menu options (one per line)" to multiline:
+    """
+    a
+    b
+    """
+    And I click on "Save changes" "button" in the "Adding a new Dropdown menu" "dialogue"
+    And I click on "Edit" "link" in the "Test field" "table_row"
+    And I set the following fields to these values:
+      | Name | Edited field |
+    And I click on "Save changes" "button" in the "Updating Test field" "dialogue"
+    Then I should see "Edited field"
+    And I should not see "Test field"
+    And I log out
+
+  Scenario: Delete a custom course select field
+    When I click on "Add a new custom field" "link"
+    And I click on "Dropdown menu" "link"
+    And I set the following fields to these values:
+      | Name       | Test field |
+      | Short name | testfield  |
+    And I set the field "Menu options (one per line)" to multiline:
+    """
+    a
+    b
+    """
+    And I click on "Save changes" "button" in the "Adding a new Dropdown menu" "dialogue"
+    And I click on "Delete" "link" in the "Test field" "table_row"
+    And I click on "Yes" "button" in the "Confirm" "dialogue"
+    Then I should not see "Test field"
+    And I log out
+
+  Scenario: Validation of custom course select field configuration
+    When I click on "Add a new custom field" "link"
+    And I click on "Dropdown menu" "link"
+    And I set the following fields to these values:
+      | Name       | Test field |
+      | Short name | testfield  |
+    And I click on "Save changes" "button" in the "Adding a new Dropdown menu" "dialogue"
+    And I should see "Please provide at least two options, with each on a new line." in the "Menu options (one per line)" "form_row"
+    And I set the field "Menu options (one per line)" to multiline:
+    """
+    a
+    b
+    """
+    And I set the field "Default value" to "c"
+    And I click on "Save changes" "button" in the "Adding a new Dropdown menu" "dialogue"
+    And I should see "The default value must be one of the options from the list above" in the "Default value" "form_row"
+    And I set the field "Default value" to "b"
+    And I click on "Save changes" "button" in the "Adding a new Dropdown menu" "dialogue"
+    And "testfield" "text" should exist in the "Test field" "table_row"
+    And I log out
@@ -0,0 +1,225 @@
+<?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 customfield_select;
+
+use core_customfield_generator;
+use core_customfield_test_instance_form;
+use stdClass;
+
+/**
+ * Functional test for customfield_select
+ *
+ * @package    customfield_select
+ * @covers     \customfield_select\data_controller
+ * @covers     \customfield_select\field_controller
+ * @copyright  2019 Marina Glancy
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+final class plugin_test extends \advanced_testcase {
+
+    /** @var stdClass[]  */
+    private $courses = [];
+    /** @var \core_customfield\category_controller */
+    private $cfcat;
+    /** @var \core_customfield\field_controller[] */
+    private $cfields;
+    /** @var \core_customfield\data_controller[] */
+    private $cfdata;
+
+    /**
+     * Tests set up.
+     */
+    public function setUp(): void {
+        $this->resetAfterTest();
+
+        $this->cfcat = $this->get_generator()->create_category();
+
+        $this->cfields[1] = $this->get_generator()->create_field(
+            ['categoryid' => $this->cfcat->get('id'), 'shortname' => 'myfield1', 'type' => 'select',
+                'configdata' => ['options' => "a\nb\nc"]]);
+        $this->cfields[2] = $this->get_generator()->create_field(
+            ['categoryid' => $this->cfcat->get('id'), 'shortname' => 'myfield2', 'type' => 'select',
+                'configdata' => ['required' => 1, 'options' => "a\nb\nc"]]);
+        $this->cfields[3] = $this->get_generator()->create_field(
+            ['categoryid' => $this->cfcat->get('id'), 'shortname' => 'myfield3', 'type' => 'select',
+                'configdata' => ['defaultvalue' => 'b', 'options' => "a\nb\nc"]]);
+
+        $this->courses[1] = $this->getDataGenerator()->create_course();
+        $this->courses[2] = $this->getDataGenerator()->create_course();
+        $this->courses[3] = $this->getDataGenerator()->create_course();
+
+        $this->cfdata[1] = $this->get_generator()->add_instance_data($this->cfields[1], $this->courses[1]->id, 1);
+        $this->cfdata[2] = $this->get_generator()->add_instance_data($this->cfields[1], $this->courses[2]->id, 1);
+
+        $this->setUser($this->getDataGenerator()->create_user());
+    }
+
+    /**
+     * Get generator
+     * @return core_customfield_generator
+     */
+    protected function get_generator(): core_customfield_generator {
+        return $this->getDataGenerator()->get_plugin_generator('core_customfield');
+    }
+
+    /**
+     * Test for initialising field and data controllers
+     */
+    public function test_initialise(): void {
+        $f = \core_customfield\field_controller::create($this->cfields[1]->get('id'));
+        $this->assertTrue($f instanceof field_controller);
+
+        $f = \core_customfield\field_controller::create(0, (object)['type' => 'select'], $this->cfcat);
+        $this->assertTrue($f instanceof field_controller);
+
+        $d = \core_customfield\data_controller::create($this->cfdata[1]->get('id'));
+        $this->assertTrue($d instanceof data_controller);
+
+        $d = \core_customfield\data_controller::create(0, null, $this->cfields[1]);
+        $this->assertTrue($d instanceof data_controller);
+    }
+
+    /**
+     * Test for configuration form functions
+     *
+     * Create a configuration form and submit it with the same values as in the field
+     */
+    public function test_config_form(): void {
+        $this->setAdminUser();
+        $submitdata = (array)$this->cfields[1]->to_record();
+        $submitdata['configdata'] = $this->cfields[1]->get('configdata');
+
+        $submitdata = \core_customfield\field_config_form::mock_ajax_submit($submitdata);
+        $form = new \core_customfield\field_config_form(null, null, 'post', '', null, true,
+            $submitdata, true);
+        $form->set_data_for_dynamic_submission();
+        $this->assertTrue($form->is_validated());
+        $form->process_dynamic_submission();
+    }
+
+    /**
+     * Test for instance form functions
+     */
+    public function test_instance_form(): void {
+        global $CFG;
+        require_once($CFG->dirroot . '/customfield/tests/fixtures/test_instance_form.php');
+        $this->setAdminUser();
+        $handler = $this->cfcat->get_handler();
+
+        // First try to submit without required field.
+        $submitdata = (array)$this->courses[1];
+        core_customfield_test_instance_form::mock_submit($submitdata, []);
+        $form = new core_customfield_test_instance_form('POST',
+            ['handler' => $handler, 'instance' => $this->courses[1]]);
+        $this->assertFalse($form->is_validated());
+
+        // Now with required field.
+        $submitdata['customfield_myfield2'] = 1;
+        core_customfield_test_instance_form::mock_submit($submitdata, []);
+        $form = new core_customfield_test_instance_form('POST',
+            ['handler' => $handler, 'instance' => $this->courses[1]]);
+        $this->assertTrue($form->is_validated());
+
+        $data = $form->get_data();
+        $this->assertNotEmpty($data->customfield_myfield1);
+        $this->assertNotEmpty($data->customfield_myfield2);
+        $handler->instance_form_save($data);
+    }
+
+    /**
+     * Test for data_controller::get_value and export_value
+     */
+    public function test_get_export_value(): void {
+        $this->assertEquals(1, $this->cfdata[1]->get_value());
+        $this->assertEquals('a', $this->cfdata[1]->export_value());
+
+        // Field without data but with a default value.
+        $d = \core_customfield\data_controller::create(0, null, $this->cfields[3]);
+        $this->assertEquals(2, $d->get_value());
+        $this->assertEquals('b', $d->export_value());
+    }
+
+    /**
+     * Test getting field options, formatted
+     */
+    public function test_get_options(): void {
+        filter_set_global_state('multilang', TEXTFILTER_ON);
+        filter_set_applies_to_strings('multilang', true);
+
+        $field = $this->get_generator()->create_field([
+            'categoryid' => $this->cfcat->get('id'),
+            'type' => 'select',
+            'shortname' => 'myselect',
+            'configdata' => [
+                'options' => <<<EOF
+                    <span lang="en" class="multilang">Beginner</span><span lang="es" class="multilang">Novato</span>
+                    <span lang="en" class="multilang">Intermediate</span><span lang="es" class="multilang">Intermedio</span>
+                    <span lang="en" class="multilang">Advanced</span><span lang="es" class="multilang">Avanzado</span>
+                EOF,
+            ],
+        ]);
+
+        $this->assertEquals([
+            '',
+            'Beginner',
+            'Intermediate',
+            'Advanced',
+        ], $field->get_options());
+    }
+
+    /**
+     * Data provider for {@see test_parse_value}
+     *
+     * @return array
+     */
+    public static function parse_value_provider(): array {
+        return [
+            ['Red', 1],
+            ['Blue', 2],
+            ['Green', 3],
+            ['Mauve', 0],
+        ];
+    }
+
+    /**
+     * Test field parse_value method
+     *
+     * @param string $value
+     * @param int $expected
+     *
+     * @dataProvider parse_value_provider
+     */
+    public function test_parse_value(string $value, int $expected): void {
+        $field = $this->get_generator()->create_field([
+            'categoryid' => $this->cfcat->get('id'),
+            'type' => 'select',
+            'shortname' => 'myselect',
+            'configdata' => [
+                'options' => "Red\nBlue\nGreen",
+            ],
+        ]);
+
+        $this->assertSame($expected, $field->parse_value($value));
+    }
+
+    /**
+     * Deleting fields and data
+     */
+    public function test_delete(): void {
+        $this->cfcat->get_handler()->delete_all();
+    }
+}
@@ -0,0 +1,29 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Customfield Select Type
+ *
+ * @package   customfield_select
+ * @copyright 2018 Toni Barbera <toni@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$plugin->component = 'customfield_select';
+$plugin->version   = 2024042200;
+$plugin->requires  = 2024041600;
@@ -0,0 +1,116 @@
+<?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/>.
+
+/**
+ * Customfields text field plugin
+ *
+ * @package   customfield_text
+ * @copyright 2018 Daniel Neis Araujo <daniel@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace customfield_text;
+
+defined('MOODLE_INTERNAL') || die;
+
+use core_customfield\api;
+
+/**
+ * Class data
+ *
+ * @package customfield_text
+ * @copyright 2018 Daniel Neis Araujo <daniel@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class data_controller extends \core_customfield\data_controller {
+
+    /**
+     * Return the name of the field where the information is stored
+     * @return string
+     */
+    public function datafield(): string {
+        return 'charvalue';
+    }
+
+    /**
+     * Add fields for editing a text field.
+     *
+     * @param \MoodleQuickForm $mform
+     */
+    public function instance_form_definition(\MoodleQuickForm $mform) {
+        $field = $this->get_field();
+        $config = $field->get('configdata');
+        $type = $config['ispassword'] ? 'password' : 'text';
+        $elementname = $this->get_form_element_name();
+        $mform->addElement($type, $elementname, $this->get_field()->get_formatted_name(), 'size=' . (int)$config['displaysize']);
+        $mform->setType($elementname, PARAM_TEXT);
+        if (!empty($config['defaultvalue'])) {
+            $mform->setDefault($elementname, $config['defaultvalue']);
+        }
+        if ($field->get_configdata_property('required')) {
+            $mform->addRule($elementname, null, 'required', null, 'client');
+        }
+    }
+
+    /**
+     * Validates data for this field.
+     *
+     * @param array $data
+     * @param array $files
+     * @return array
+     */
+    public function instance_form_validation(array $data, array $files): array {
+
+        $errors = parent::instance_form_validation($data, $files);
+        $maxlength = $this->get_field()->get_configdata_property('maxlength');
+        $elementname = $this->get_form_element_name();
+        if (($maxlength > 0) && ($maxlength < \core_text::strlen($data[$elementname]))) {
+            $errors[$elementname] = get_string('errormaxlength', 'customfield_text', $maxlength);
+        }
+        return $errors;
+    }
+
+    /**
+     * Returns the default value as it would be stored in the database (not in human-readable format).
+     *
+     * @return mixed
+     */
+    public function get_default_value() {
+        return $this->get_field()->get_configdata_property('defaultvalue');
+    }
+
+    /**
+     * Returns value in a human-readable format
+     *
+     * @return mixed|null value or null if empty
+     */
+    public function export_value() {
+        $value = parent::export_value();
+        if ($value === null) {
+            return null;
+        }
+
+        $link = $this->get_field()->get_configdata_property('link');
+        if ($link) {
+            $linktarget = $this->get_field()->get_configdata_property('linktarget');
+            $url = str_replace('$$', urlencode($this->get_value()), $link);
+            $attributes = $linktarget ? ['target' => $linktarget] : [];
+            $value = \html_writer::link($url, $value, $attributes);
+        }
+
+        return $value;
+    }
+}
@@ -0,0 +1,152 @@
+<?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/>.
+
+/**
+ * Customfields text plugin
+ *
+ * @package   customfield_text
+ * @copyright 2018 David Matamoros <davidmc@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace customfield_text;
+
+defined('MOODLE_INTERNAL') || die;
+
+/**
+ * Class field
+ *
+ * @copyright 2018 David Matamoros <davidmc@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @package customfield_text
+ */
+class field_controller extends \core_customfield\field_controller {
+    /**
+     * Plugin type text
+     */
+    const TYPE = 'text';
+
+    /**
+     * Add fields for editing a text field.
+     *
+     * @param \MoodleQuickForm $mform
+     */
+    public function config_form_definition(\MoodleQuickForm $mform) {
+
+        $mform->addElement('header', 'header_specificsettings', get_string('specificsettings', 'customfield_text'));
+        $mform->setExpanded('header_specificsettings', true);
+
+        $mform->addElement('text', 'configdata[defaultvalue]', get_string('defaultvalue', 'core_customfield'),
+            ['size' => 50]);
+        $mform->setType('configdata[defaultvalue]', PARAM_TEXT);
+
+        $mform->addElement('text', 'configdata[displaysize]', get_string('displaysize', 'customfield_text'), ['size' => 6]);
+        $mform->setType('configdata[displaysize]', PARAM_INT);
+        if (!$this->get_configdata_property('displaysize')) {
+            $mform->setDefault('configdata[displaysize]', 50);
+        }
+        $mform->addRule('configdata[displaysize]', null, 'numeric', null, 'client');
+
+        $mform->addElement('text', 'configdata[maxlength]', get_string('maxlength', 'customfield_text'), ['size' => 6]);
+        $mform->setType('configdata[maxlength]', PARAM_INT);
+        if (!$this->get_configdata_property('maxlength')) {
+            $mform->setDefault('configdata[maxlength]', 1333);
+        }
+        $mform->addRule('configdata[maxlength]', null, 'numeric', null, 'client');
+
+        $mform->addElement('selectyesno', 'configdata[ispassword]', get_string('ispassword', 'customfield_text'));
+        $mform->setType('configdata[ispassword]', PARAM_INT);
+
+        $mform->addElement('text', 'configdata[link]', get_string('islink', 'customfield_text'), ['size' => 50]);
+        $mform->setType('configdata[link]', PARAM_RAW_TRIMMED);
+        $mform->addHelpButton('configdata[link]', 'islink', 'customfield_text');
+
+        $mform->disabledIf('configdata[link]', 'configdata[ispassword]', 'eq', 1);
+
+        $linkstargetoptions = array(
+            ''       => get_string('none', 'customfield_text'),
+            '_blank' => get_string('newwindow', 'customfield_text'),
+            '_self'  => get_string('sameframe', 'customfield_text'),
+            '_top'   => get_string('samewindow', 'customfield_text')
+        );
+        $mform->addElement('select', 'configdata[linktarget]', get_string('linktarget', 'customfield_text'),
+            $linkstargetoptions);
+
+        $mform->disabledIf('configdata[linktarget]', 'configdata[link]', 'eq', '');
+    }
+
+    /**
+     * Validate the data on the field configuration form
+     *
+     * @param array $data from the add/edit profile field form
+     * @param array $files
+     * @return array associative array of error messages
+     */
+    public function config_form_validation(array $data, $files = array()): array {
+        global $CFG;
+        $errors = parent::config_form_validation($data, $files);
+
+        $maxlength = (int)$data['configdata']['maxlength'];
+        if ($maxlength < 1 || $maxlength > 1333) {
+            $errors['configdata[maxlength]'] = get_string('errorconfigmaxlen', 'customfield_text');
+        }
+
+        $displaysize = (int)$data['configdata']['displaysize'];
+        if ($displaysize < 1 || $displaysize > 200) {
+            $errors['configdata[displaysize]'] = get_string('errorconfigdisplaysize', 'customfield_text');
+        }
+
+        if (isset($data['configdata']['link'])) {
+            $link = $data['configdata']['link'];
+            if (strlen($link)) {
+                require_once($CFG->dirroot . '/lib/validateurlsyntax.php');
+                if (strpos($link, '$$') === false) {
+                    $errors['configdata[link]'] = get_string('errorconfiglinkplaceholder', 'customfield_text');
+                } else if (!validateUrlSyntax(str_replace('$$', 'XYZ', $link), 's+H?S?F-E-u-P-a?I?p?f?q?r?')) {
+                    // This validation is more strict than PARAM_URL - it requires the protocol and it must be either http or https.
+                    $errors['configdata[link]'] = get_string('errorconfiglinksyntax', 'customfield_text');
+                }
+            }
+        }
+
+        return $errors;
+    }
+
+    /**
+     * Does this custom field type support being used as part of the block_myoverview
+     * custom field grouping?
+     * @return bool
+     */
+    public function supports_course_grouping(): bool {
+        return true;
+    }
+
+    /**
+     * If this field supports course grouping, then this function needs overriding to
+     * return the formatted values for this.
+     * @param array $values the used values that need formatting
+     * @return array
+     */
+    public function course_grouping_format_values($values): array {
+        $ret = [];
+        foreach ($values as $value) {
+            $ret[$value] = format_string($value);
+        }
+        $ret[BLOCK_MYOVERVIEW_CUSTOMFIELD_EMPTY] = get_string('nocustomvalue', 'block_myoverview',
+            $this->get_formatted_name());
+        return $ret;
+    }
+}
@@ -0,0 +1,84 @@
+<?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/>.
+/**
+ * Privacy Subsystem implementation for customfield_text.
+ *
+ * @package    customfield_text
+ * @copyright  2018 Daniel Neis Araujo <danielneis@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+namespace customfield_text\privacy;
+
+use core_customfield\data_controller;
+use core_customfield\privacy\customfield_provider;
+use core_privacy\local\request\writer;
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Privacy Subsystem for customfield_text implementing null_provider.
+ *
+ * @copyright  2018 Daniel Neis Araujo <danielneis@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class provider implements \core_privacy\local\metadata\null_provider, customfield_provider {
+
+    /**
+     * Get the language string identifier with the component's language
+     * file to explain why this plugin stores no data.
+     *
+     * @return  string
+     */
+    public static function get_reason(): string {
+        return 'privacy:metadata';
+    }
+
+    /**
+     * Preprocesses data object that is going to be exported
+     *
+     * @param data_controller $data
+     * @param \stdClass $exportdata
+     * @param array $subcontext
+     */
+    public static function export_customfield_data(data_controller $data, \stdClass $exportdata, array $subcontext) {
+        $context = $data->get_context();
+        // For text fields we want to apply format_string even to raw value to avoid CSS.
+        $exportdata->{$data->datafield()} = $data->export_value();
+        writer::with_context($context)
+            ->export_data($subcontext, $exportdata);
+    }
+
+    /**
+     * Allows plugins to delete everything they store related to the data (usually files)
+     *
+     * @param string $dataidstest
+     * @param array $params
+     * @param array $contextids
+     * @return mixed|void
+     */
+    public static function before_delete_data(string $dataidstest, array $params, array $contextids) {
+    }
+
+    /**
+     * Allows plugins to delete everything they store related to the field configuration (usually files)
+     *
+     * @param string $fieldidstest
+     * @param array $params
+     * @param array $contextids
+     */
+    public static function before_delete_fields(string $fieldidstest, array $params, array $contextids) {
+    }
+}
@@ -0,0 +1,44 @@
+<?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/>.
+
+/**
+ * Customfield text plugin
+ *
+ * @package   customfield_text
+ * @copyright 2018 Toni Barbera <toni@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$string['displaysize'] = 'Form input size';
+$string['errorconfigdisplaysize'] = 'The form input size must be between 1 and 200 characters.';
+$string['errorconfiglinkplaceholder'] = 'The link must contain a placeholder $$.';
+$string['errorconfiglinksyntax'] = 'The link must be a valid URL starting with either http:// or https://.';
+$string['errorconfigmaxlen'] = 'The maximum number of characters allowed must be between 1 and 1333.';
+$string['errormaxlength'] = 'The maximum number of characters allowed in this field is {$a}.';
+$string['islink'] = 'Link field';
+$string['islink_help'] = 'To transform the text into a link, enter a URL containing $$ as a placeholder, where $$ will be replaced with the text. For example, to transform a Twitter ID to a link, enter https://twitter.com/$$.';
+$string['ispassword'] = 'Password field';
+$string['linktarget'] = 'Link target';
+$string['maxlength'] = 'Maximum number of characters';
+$string['newwindow'] = 'New window';
+$string['none'] = 'None';
+$string['pluginname'] = 'Short text';
+$string['privacy:metadata'] = 'The Short text field type plugin doesn\'t store any personal data; it uses tables defined in core.';
+$string['sameframe'] = 'Same frame';
+$string['samewindow'] = 'Same window';
+$string['specificsettings'] = 'Short text field settings';
@@ -0,0 +1,140 @@
+@customfield @customfield_text @javascript
+Feature: Managers can manage course custom fields text
+  In order to have additional data on the course
+  As a manager
+  I need to create, edit, remove and sort custom fields
+
+  Background:
+    Given the following "custom field categories" exist:
+      | name              | component   | area   | itemid |
+      | Category for test | core_course | course | 0      |
+    And I log in as "admin"
+    And I navigate to "Courses > Default settings > Course custom fields" in site administration
+
+  Scenario: Create a custom course text field
+    When I click on "Add a new custom field" "link"
+    And I click on "Short text" "link"
+    And I set the following fields to these values:
+      | Name       | Test field |
+      | Short name | testfield  |
+    And I click on "Save changes" "button" in the "Adding a new Short text" "dialogue"
+    Then I should see "Test field"
+    And I log out
+
+  Scenario: Edit a custom course text field
+    When I click on "Add a new custom field" "link"
+    And I click on "Short text" "link"
+    And I set the following fields to these values:
+      | Name       | Test field |
+      | Short name | testfield  |
+    And I click on "Save changes" "button" in the "Adding a new Short text" "dialogue"
+    And I click on "Edit" "link" in the "Test field" "table_row"
+    And I set the following fields to these values:
+      | Name | Edited field |
+    And I click on "Save changes" "button" in the "Updating Test field" "dialogue"
+    Then I should see "Edited field"
+    And I navigate to "Reports > Logs" in site administration
+    And I press "Get these logs"
+    And I log out
+
+  Scenario: Delete a custom course text field
+    When I click on "Add a new custom field" "link"
+    And I click on "Short text" "link"
+    And I set the following fields to these values:
+      | Name       | Test field |
+      | Short name | testfield  |
+    And I click on "Save changes" "button" in the "Adding a new Short text" "dialogue"
+    And I click on "Delete" "link" in the "Test field" "table_row"
+    And I click on "Yes" "button" in the "Confirm" "dialogue"
+    And I wait until the page is ready
+    And I wait until "Test field" "text" does not exist
+    Then I should not see "Test field"
+    And I log out
+
+  Scenario: A text field with a link setting must show link on course listing
+    Given the following "users" exist:
+      | username | firstname | lastname  | email                |
+      | teacher1 | Teacher   | Example 1 | teacher1@example.com |
+    And the following "courses" exist:
+      | fullname | shortname | format |
+      | Course 1 | C1        | topics |
+    And the following "course enrolments" exist:
+      | user     | course | role           |
+      | teacher1 | C1     | editingteacher |
+    And I navigate to "Courses > Default settings > Course custom fields" in site administration
+    And I click on "Add a new custom field" "link"
+    And I click on "Short text" "link"
+    And I set the following fields to these values:
+      | Name       | See more on website       |
+      | Short name | testfield                 |
+      | Visible to | Everyone                  |
+      | Link       | https://www.moodle.org/$$ |
+    And I click on "Save changes" "button" in the "Adding a new Short text" "dialogue"
+    And I log out
+    Then I log in as "teacher1"
+    And I am on "Course 1" course homepage
+    And I navigate to "Settings" in current page administration
+    And I set the following fields to these values:
+      | See more on website | course/view.php?id=35 |
+    And I press "Save and display"
+    And I am on site homepage
+    Then I should see "course/view.php?id=35" in the ".customfields-container .customfieldvalue a" "css_element"
+    Then I should see "See more on website" in the ".customfields-container .customfieldname" "css_element"
+
+  Scenario: A text field with a max length must validate it on course edit form
+    Given the following "users" exist:
+      | username | firstname | lastname  | email                |
+      | teacher1 | Teacher   | Example 1 | teacher1@example.com |
+    And the following "courses" exist:
+      | fullname | shortname | format |
+      | Course 1 | C1        | topics |
+    And the following "course enrolments" exist:
+      | user     | course | role           |
+      | teacher1 | C1     | editingteacher |
+    And I navigate to "Courses > Default settings > Course custom fields" in site administration
+    And I click on "Add a new custom field" "link"
+    And I click on "Short text" "link"
+    And I set the following fields to these values:
+      | Name       | Test field |
+      | Short name | testfield  |
+      | Maximum number of characters | 3          |
+    And I click on "Save changes" "button" in the "Adding a new Short text" "dialogue"
+    And I log out
+    Then I log in as "teacher1"
+    And I am on "Course 1" course homepage
+    And I navigate to "Settings" in current page administration
+    And I set the following fields to these values:
+      | Test field | 1234 |
+    And I press "Save and display"
+    Then I should see "The maximum number of characters allowed in this field is 3."
+
+  Scenario: A text field with a default value must be shown on listing but allow empty values that will not be shown
+    Given the following "users" exist:
+      | username | firstname | lastname  | email                |
+      | teacher1 | Teacher   | Example 1 | teacher1@example.com |
+    And the following "courses" exist:
+      | fullname | shortname | format |
+      | Course 1 | C1        | topics |
+    And the following "course enrolments" exist:
+      | user     | course | role           |
+      | teacher1 | C1     | editingteacher |
+    And I navigate to "Courses > Default settings > Course custom fields" in site administration
+    And I click on "Add a new custom field" "link"
+    And I click on "Short text" "link"
+    And I set the following fields to these values:
+      | Name          | Test field  |
+      | Short name    | testfield   |
+      | Default value | testdefault |
+    And I click on "Save changes" "button" in the "Adding a new Short text" "dialogue"
+    And I log out
+    Then I log in as "teacher1"
+    When I am on site homepage
+    Then I should see "Test field: testdefault"
+    When I am on "Course 1" course homepage
+    And I navigate to "Settings" in current page administration
+    Then the "value" attribute of "#id_customfield_testfield" "css_element" should contain "testdefault"
+    When I set the following fields to these values:
+      | Test field |  |
+    And I press "Save and display"
+    And I am on site homepage
+    And I should not see "Test field"
@@ -0,0 +1,169 @@
+<?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 customfield_text;
+
+use core_customfield_generator;
+use core_customfield_test_instance_form;
+
+/**
+ * Functional test for customfield_text
+ *
+ * @package    customfield_text
+ * @copyright  2019 Marina Glancy
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class plugin_test extends \advanced_testcase {
+
+    /** @var stdClass[]  */
+    private $courses = [];
+    /** @var \core_customfield\category_controller */
+    private $cfcat;
+    /** @var \core_customfield\field_controller[] */
+    private $cfields;
+    /** @var \core_customfield\data_controller[] */
+    private $cfdata;
+
+    /**
+     * Tests set up.
+     */
+    public function setUp(): void {
+        $this->resetAfterTest();
+
+        $this->cfcat = $this->get_generator()->create_category();
+
+        $this->cfields[1] = $this->get_generator()->create_field(
+            ['categoryid' => $this->cfcat->get('id'), 'shortname' => 'myfield1', 'type' => 'text',
+                'configdata' => ['maxlength' => 30, 'displaysize' => 50], 'description' => null]);
+        $this->cfields[2] = $this->get_generator()->create_field(
+            ['categoryid' => $this->cfcat->get('id'), 'shortname' => 'myfield2', 'type' => 'text',
+                'configdata' => ['required' => 1, 'maxlength' => 30, 'displaysize' => 50]]);
+        $this->cfields[3] = $this->get_generator()->create_field(
+            ['categoryid' => $this->cfcat->get('id'), 'shortname' => 'myfield3', 'type' => 'text',
+                'configdata' => ['defaultvalue' => 'Defvalue', 'maxlength' => 30, 'displaysize' => 50]]);
+        $this->cfields[4] = $this->get_generator()->create_field(
+            ['categoryid' => $this->cfcat->get('id'), 'shortname' => 'myfield4', 'type' => 'text',
+                'configdata' => ['link' => 'https://twitter.com/$$', 'maxlength' => 30, 'displaysize' => 50]]);
+
+        $this->courses[1] = $this->getDataGenerator()->create_course();
+        $this->courses[2] = $this->getDataGenerator()->create_course();
+        $this->courses[3] = $this->getDataGenerator()->create_course();
+
+        $this->cfdata[1] = $this->get_generator()->add_instance_data($this->cfields[1], $this->courses[1]->id,
+            'Value1');
+        $this->cfdata[2] = $this->get_generator()->add_instance_data($this->cfields[1], $this->courses[2]->id,
+            'Value2');
+
+        $this->setUser($this->getDataGenerator()->create_user());
+    }
+
+    /**
+     * Get generator
+     * @return core_customfield_generator
+     */
+    protected function get_generator(): core_customfield_generator {
+        return $this->getDataGenerator()->get_plugin_generator('core_customfield');
+    }
+
+    /**
+     * Test for initialising field and data controllers
+     */
+    public function test_initialise(): void {
+        $f = \core_customfield\field_controller::create($this->cfields[1]->get('id'));
+        $this->assertTrue($f instanceof field_controller);
+
+        $f = \core_customfield\field_controller::create(0, (object)['type' => 'text'], $this->cfcat);
+        $this->assertTrue($f instanceof field_controller);
+
+        $d = \core_customfield\data_controller::create($this->cfdata[1]->get('id'));
+        $this->assertTrue($d instanceof data_controller);
+
+        $d = \core_customfield\data_controller::create(0, null, $this->cfields[1]);
+        $this->assertTrue($d instanceof data_controller);
+    }
+
+    /**
+     * Test for configuration form functions
+     *
+     * Create a configuration form and submit it with the same values as in the field
+     */
+    public function test_config_form(): void {
+        $this->setAdminUser();
+        $submitdata = (array)$this->cfields[1]->to_record();
+        $submitdata['configdata'] = $this->cfields[1]->get('configdata');
+
+        $submitdata = \core_customfield\field_config_form::mock_ajax_submit($submitdata);
+        $form = new \core_customfield\field_config_form(null, null, 'post', '', null, true,
+            $submitdata, true);
+        $form->set_data_for_dynamic_submission();
+        $this->assertTrue($form->is_validated());
+        $form->process_dynamic_submission();
+    }
+
+    /**
+     * Test for instance form functions
+     */
+    public function test_instance_form(): void {
+        global $CFG;
+        require_once($CFG->dirroot . '/customfield/tests/fixtures/test_instance_form.php');
+        $this->setAdminUser();
+        $handler = $this->cfcat->get_handler();
+
+        // First try to submit without required field.
+        $submitdata = (array)$this->courses[1];
+        core_customfield_test_instance_form::mock_submit($submitdata, []);
+        $form = new core_customfield_test_instance_form('POST',
+            ['handler' => $handler, 'instance' => $this->courses[1]]);
+        $this->assertFalse($form->is_validated());
+
+        // Now with required field.
+        $submitdata['customfield_myfield2'] = 'Some text';
+        core_customfield_test_instance_form::mock_submit($submitdata, []);
+        $form = new core_customfield_test_instance_form('POST',
+            ['handler' => $handler, 'instance' => $this->courses[1]]);
+        $this->assertTrue($form->is_validated());
+
+        $data = $form->get_data();
+        $this->assertNotEmpty($data->customfield_myfield1);
+        $this->assertNotEmpty($data->customfield_myfield2);
+        $handler->instance_form_save($data);
+    }
+
+    /**
+     * Test for data_controller::get_value and export_value
+     */
+    public function test_get_export_value(): void {
+        $this->assertEquals('Value1', $this->cfdata[1]->get_value());
+        $this->assertEquals('Value1', $this->cfdata[1]->export_value());
+
+        // Field without data but with a default value.
+        $d = \core_customfield\data_controller::create(0, null, $this->cfields[3]);
+        $this->assertEquals('Defvalue', $d->get_value());
+        $this->assertEquals('Defvalue', $d->export_value());
+
+        // Field with a link.
+        $d = $this->get_generator()->add_instance_data($this->cfields[4], $this->courses[1]->id, 'mynickname');
+        $this->assertEquals('mynickname', $d->get_value());
+        $this->assertEquals('<a href="https://twitter.com/mynickname">mynickname</a>', $d->export_value());
+    }
+
+    /**
+     * Deleting fields and data
+     */
+    public function test_delete(): void {
+        $this->cfcat->get_handler()->delete_all();
+    }
+}
@@ -0,0 +1,29 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Customfield text plugin
+ *
+ * @package   customfield_text
+ * @copyright 2018 Toni Barbera <toni@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$plugin->component = 'customfield_text';
+$plugin->version   = 2024042200;
+$plugin->requires  = 2024041600;
@@ -0,0 +1,261 @@
+<?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/>.
+
+/**
+ * Customfields textarea plugin
+ *
+ * @package   customfield_textarea
+ * @copyright 2018 Daniel Neis Araujo <daniel@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace customfield_textarea;
+
+use backup_nested_element;
+
+defined('MOODLE_INTERNAL') || die;
+
+/**
+ * Class data
+ *
+ * @package customfield_textarea
+ * @copyright 2018 Daniel Neis Araujo <daniel@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class data_controller extends \core_customfield\data_controller {
+
+    /**
+     * Return the name of the field where the information is stored
+     * @return string
+     */
+    public function datafield(): string {
+        return 'value';
+    }
+
+    /**
+     * Options for the editor
+     *
+     * @return array
+     */
+    protected function value_editor_options() {
+        /** @var field_controller $field */
+        $field = $this->get_field();
+        return $field->value_editor_options($this->get('id') ? $this->get_context() : null);
+    }
+
+    /**
+     * Returns the name of the field to be used on HTML forms.
+     *
+     * @return string
+     */
+    public function get_form_element_name(): string {
+        return parent::get_form_element_name() . '_editor';
+    }
+
+    /**
+     * Add fields for editing a textarea field.
+     *
+     * @param \MoodleQuickForm $mform
+     */
+    public function instance_form_definition(\MoodleQuickForm $mform) {
+        $field = $this->get_field();
+        $desceditoroptions = $this->value_editor_options();
+        $elementname = $this->get_form_element_name();
+        $mform->addElement('editor', $elementname, $this->get_field()->get_formatted_name(), null, $desceditoroptions);
+        if ($field->get_configdata_property('required')) {
+            $mform->addRule($elementname, null, 'required', null, 'client');
+        }
+    }
+
+    /**
+     * Saves the data coming from form
+     *
+     * @param \stdClass $datanew data coming from the form
+     */
+    public function instance_form_save(\stdClass $datanew) {
+        $fieldname = $this->get_form_element_name();
+        if (!property_exists($datanew, $fieldname)) {
+            return;
+        }
+
+        // Normalise form data, for cases it's come from an external source.
+        $fromform = $datanew->$fieldname;
+        if (!is_array($fromform)) {
+            $fromform = ['text' => $fromform];
+            $fromform['format'] = $this->get('id') ? $this->get('valueformat') :
+                $this->get_field()->get_configdata_property('defaultvalueformat');
+        }
+
+        if (!$this->get('id')) {
+            $this->data->set('value', '');
+            $this->data->set('valueformat', FORMAT_MOODLE);
+            $this->data->set('valuetrust', false);
+            $this->save();
+        }
+
+        if (array_key_exists('text', $fromform)) {
+            $textoptions = $this->value_editor_options();
+            $context = $textoptions['context'];
+
+            $data = (object) ['field_editor' => $fromform];
+            $data = file_postupdate_standard_editor($data, 'field', $textoptions, $context,
+                'customfield_textarea', 'value', $this->get('id'));
+
+            $this->data->set('value', $data->field);
+            $this->data->set('valueformat', $data->fieldformat);
+            $this->data->set('valuetrust', trusttext_trusted($context));
+            $this->save();
+        }
+    }
+
+    /**
+     * Prepares the custom field data related to the object to pass to mform->set_data() and adds them to it
+     *
+     * This function must be called before calling $form->set_data($object);
+     *
+     * @param \stdClass $instance the entity that has custom fields, if 'id' attribute is present the custom
+     *    fields for this entity will be added, otherwise the default values will be added.
+     */
+    public function instance_form_before_set_data(\stdClass $instance) {
+        $textoptions = $this->value_editor_options();
+        $context = $textoptions['context'];
+        if ($this->get('id')) {
+            $text = $this->get('value');
+            $format = $this->get('valueformat');
+            $temp = (object) ['field' => $text, 'fieldformat' => $format, 'fieldtrust' => trusttext_trusted($context)];
+            file_prepare_standard_editor($temp, 'field', $textoptions, $context, 'customfield_textarea',
+                'value', $this->get('id'));
+            $value = $temp->field_editor;
+        } else {
+            $text = $this->get_field()->get_configdata_property('defaultvalue');
+            $format = $this->get_field()->get_configdata_property('defaultvalueformat');
+            $temp = (object) ['field' => $text, 'fieldformat' => $format, 'fieldtrust' => trusttext_trusted($context)];
+            file_prepare_standard_editor($temp, 'field', $textoptions, $context, 'customfield_textarea',
+                'defaultvalue', $this->get_field()->get('id'));
+            $value = $temp->field_editor;
+        }
+        $instance->{$this->get_form_element_name()} = $value;
+    }
+
+    /**
+     * Checks if the value is empty, overriding the base method to ensure it's the "text" element of our value being compared
+     *
+     * @param string|string[] $value
+     * @return bool
+     */
+    protected function is_empty($value): bool {
+        if (is_array($value)) {
+            $value = $value['text'];
+        }
+        return html_is_blank($value);
+    }
+
+    /**
+     * Checks if the value is unique, overriding the base method to ensure it's the "text" element of our value being compared
+     *
+     * @param mixed $value
+     * @return bool
+     */
+    protected function is_unique($value): bool {
+        return parent::is_unique($value['text']);
+    }
+
+    /**
+     * Delete data
+     *
+     * @return bool
+     */
+    public function delete() {
+        get_file_storage()->delete_area_files($this->get('contextid'), 'customfield_textarea',
+            'value', $this->get('id'));
+        return parent::delete();
+    }
+
+    /**
+     * Returns the default value as it would be stored in the database (not in human-readable format).
+     *
+     * @return mixed
+     */
+    public function get_default_value() {
+        return $this->get_field()->get_configdata_property('defaultvalue');
+    }
+
+    /**
+     * Implement the backup callback for the custom field element.
+     * This includes any embedded files in the custom field element.
+     *
+     * @param \backup_nested_element $customfieldelement The custom field element to be backed up.
+     */
+    public function backup_define_structure(backup_nested_element $customfieldelement): void {
+        $annotations = $customfieldelement->get_file_annotations();
+
+        if (!isset($annotations['customfield_textarea']['value'])) {
+            $customfieldelement->annotate_files('customfield_textarea', 'value', 'id');
+        }
+    }
+
+    /**
+     * Implement the restore callback for the custom field element.
+     * This includes restoring any embedded files in the custom field element.
+     *
+     * @param \restore_structure_step $step The restore step instance.
+     * @param int $newid The new ID for the custom field data after restore.
+     * @param int $oldid The original ID of the custom field data before backup.
+     */
+    public function restore_define_structure(\restore_structure_step $step, int $newid, int $oldid): void {
+        if (!$step->get_mappingid('customfield_data', $oldid)) {
+            $step->set_mapping('customfield_data', $oldid, $newid, true);
+            $step->add_related_files('customfield_textarea', 'value', 'customfield_data');
+        }
+    }
+
+    /**
+     * Returns value in a human-readable format
+     *
+     * @return mixed|null value or null if empty
+     */
+    public function export_value() {
+        global $CFG;
+        require_once($CFG->libdir . '/filelib.php');
+
+        $value = $this->get_value();
+        if ($this->is_empty($value)) {
+            return null;
+        }
+
+        if ($dataid = $this->get('id')) {
+            $context = $this->get_context();
+            $processed = file_rewrite_pluginfile_urls($value, 'pluginfile.php',
+                $context->id, 'customfield_textarea', 'value', $dataid);
+            $value = format_text($processed, $this->get('valueformat'), [
+                'context' => $context,
+                'trusted' => $this->get('valuetrust'),
+            ]);
+        } else {
+            $field = $this->get_field();
+
+            $context = $field->get_handler()->get_configuration_context();
+            $processed = file_rewrite_pluginfile_urls($value, 'pluginfile.php',
+                $context->id, 'customfield_textarea', 'defaultvalue', $field->get('id'));
+            $value = format_text($processed, $field->get_configdata_property('defaultvalueformat'), [
+                'context' => $context,
+                'trusted' => true,
+            ]);
+        }
+
+        return $value;
+    }
+}
@@ -0,0 +1,152 @@
+<?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/>.
+
+/**
+ * Customfield textarea plugin
+ *
+ * @package   customfield_textarea
+ * @copyright 2018 David Matamoros <davidmc@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace customfield_textarea;
+
+defined('MOODLE_INTERNAL') || die;
+
+/**
+ * Class field
+ *
+ * @package customfield_textarea
+ * @copyright 2018 David Matamoros <davidmc@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class field_controller extends \core_customfield\field_controller {
+    /**
+     * Const type
+     */
+    const TYPE = 'textarea';
+
+    /**
+     * Before delete bulk actions
+     */
+    public function delete(): bool {
+        global $DB;
+        $fs = get_file_storage();
+
+        // Delete files in the defaultvalue.
+        $fs->delete_area_files($this->get_handler()->get_configuration_context()->id, 'customfield_textarea',
+            'defaultvalue', $this->get('id'));
+
+        // Delete files in the data. We can not use $fs->delete_area_files_select() because context may be different.
+        $params = ['component' => 'customfield_textarea', 'filearea' => 'value', 'fieldid' => $this->get('id')];
+        $where = "component = :component AND filearea = :filearea
+                AND itemid IN (SELECT cfd.id FROM {customfield_data} cfd WHERE cfd.fieldid = :fieldid)";
+        $filerecords = $DB->get_recordset_select('files', $where, $params);
+        foreach ($filerecords as $filerecord) {
+            $fs->get_file_instance($filerecord)->delete();
+        }
+        $filerecords->close();
+
+        // Delete data and field.
+        return parent::delete();
+    }
+
+    /**
+     * Prepare the field data to set in the configuration form
+     *
+     * Necessary if some preprocessing required for editor or filemanager fields
+     *
+     * @param \stdClass $formdata
+     */
+    public function prepare_for_config_form(\stdClass $formdata) {
+
+        if (!empty($formdata->configdata['defaultvalue'])) {
+            $textoptions = $this->value_editor_options();
+            $context = $textoptions['context'];
+
+            $record = new \stdClass();
+            $record->defaultvalue = $formdata->configdata['defaultvalue'];
+            $record->defaultvalueformat = $formdata->configdata['defaultvalueformat'];
+            file_prepare_standard_editor($record, 'defaultvalue', $textoptions, $context,
+                'customfield_textarea', 'defaultvalue', $formdata->id);
+            $formdata->configdata['defaultvalue_editor'] = $record->defaultvalue_editor;
+        }
+    }
+
+    /**
+     * Add fields for editing a textarea field.
+     *
+     * @param \MoodleQuickForm $mform
+     */
+    public function config_form_definition(\MoodleQuickForm $mform) {
+        $mform->addElement('header', 'header_specificsettings', get_string('specificsettings', 'customfield_textarea'));
+        $mform->setExpanded('header_specificsettings', true);
+
+        $desceditoroptions = $this->value_editor_options();
+
+        $mform->addElement('editor', 'configdata[defaultvalue_editor]', get_string('defaultvalue', 'core_customfield'),
+            null, $desceditoroptions);
+    }
+
+    /**
+     * Options for editor
+     *
+     * @param \context|null $context context if known, otherwise configuration context will be used
+     * @return array
+     */
+    public function value_editor_options(\context $context = null) {
+        global $CFG;
+        require_once($CFG->libdir.'/formslib.php');
+
+        if (!$context) {
+            $context = $this->get_handler()->get_configuration_context();
+        }
+
+        return [
+            'context' => $context,
+            'trusttext' => true,
+            'maxfiles' => EDITOR_UNLIMITED_FILES,
+            'maxbytes' => $CFG->maxbytes,
+        ];
+    }
+
+    /**
+     * Saves the field configuration
+     */
+    public function save() {
+        $configdata = $this->get('configdata');
+        if (!array_key_exists('defaultvalue_editor', $configdata)) {
+            $this->field->save();
+            return;
+        }
+
+        if (!$this->get('id')) {
+            $this->field->save();
+        }
+
+        // Store files.
+        $textoptions = $this->value_editor_options();
+        $tempvalue = (object) ['defaultvalue_editor' => $configdata['defaultvalue_editor']];
+        $tempvalue = file_postupdate_standard_editor($tempvalue, 'defaultvalue', $textoptions, $textoptions['context'],
+            'customfield_textarea', 'defaultvalue', $this->get('id'));
+
+        $configdata['defaultvalue'] = $tempvalue->defaultvalue;
+        $configdata['defaultvalueformat'] = $tempvalue->defaultvalueformat;
+        unset($configdata['defaultvalue_editor']);
+        $this->field->set('configdata', json_encode($configdata));
+        $this->field->save();
+    }
+}
@@ -0,0 +1,97 @@
+<?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/>.
+/**
+ * Privacy Subsystem implementation for customfield_textarea.
+ *
+ * @package    customfield_textarea
+ * @copyright  2018 Daniel Neis Araujo <danielneis@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+namespace customfield_textarea\privacy;
+
+use core_customfield\data_controller;
+use core_customfield\privacy\customfield_provider;
+use core_privacy\local\request\writer;
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Privacy Subsystem for customfield_textarea implementing null_provider.
+ *
+ * @copyright  2018 Daniel Neis Araujo <danielneis@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class provider implements \core_privacy\local\metadata\null_provider, customfield_provider {
+
+    /**
+     * Get the language string identifier with the component's language
+     * file to explain why this plugin stores no data.
+     *
+     * @return  string
+     */
+    public static function get_reason(): string {
+        return 'privacy:metadata';
+    }
+
+    /**
+     * Preprocesses data object that is going to be exported
+     *
+     * @param data_controller $data
+     * @param \stdClass $exportdata
+     * @param array $subcontext
+     */
+    public static function export_customfield_data(data_controller $data, \stdClass $exportdata, array $subcontext) {
+        $context = $data->get_context();
+        $exportdata->value = writer::with_context($context)
+            ->rewrite_pluginfile_urls($subcontext, 'customfield_textarea', 'value',
+                $exportdata->id, $exportdata->value);
+        writer::with_context($context)
+            ->export_data($subcontext, $exportdata)
+            ->export_area_files($subcontext, 'customfield_textarea', 'value', $exportdata->id);
+    }
+
+    /**
+     * Allows plugins to delete everything they store related to the data (usually files)
+     *
+     * @param string $dataidstest
+     * @param array $params
+     * @param array $contextids
+     * @return mixed|void
+     */
+    public static function before_delete_data(string $dataidstest, array $params, array $contextids) {
+        $fs = get_file_storage();
+        foreach ($contextids as $contextid) {
+            $fs->delete_area_files_select($contextid, 'customfield_textarea', 'value', $dataidstest, $params);
+        }
+    }
+
+    /**
+     * Allows plugins to delete everything they store related to the field configuration (usually files)
+     *
+     * The implementation should not delete data or anything related to the data, since "before_delete_data" is
+     * invoked separately.
+     *
+     * @param string $fieldidstest
+     * @param array $params
+     * @param array $contextids
+     */
+    public static function before_delete_fields(string $fieldidstest, array $params, array $contextids) {
+        $fs = get_file_storage();
+        foreach ($contextids as $contextid) {
+            $fs->delete_area_files_select($contextid, 'customfield_textarea', 'defaultvalue', $fieldidstest, $params);
+        }
+    }
+}
@@ -0,0 +1,29 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Customfield textarea plugin
+ *
+ * @package   customfield_textarea
+ * @copyright 2018 Toni Barbera <toni@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$string['pluginname'] = 'Text area';
+$string['privacy:metadata'] = 'The Text area field type plugin doesn\'t store any personal data; it uses tables defined in core.';
+$string['specificsettings'] = 'Text area field settings';
@@ -0,0 +1,76 @@
+<?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/>.
+
+/**
+ * Callbacks
+ *
+ * @package   customfield_textarea
+ * @copyright 2018 Marina Glancy
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die;
+
+/**
+ * Serve the files from the customfield_textarea file areas
+ *
+ * @param stdClass $course the course object
+ * @param stdClass $cm the course module object
+ * @param context $context the context
+ * @param string $filearea the name of the file area
+ * @param array $args extra arguments (itemid, path)
+ * @param bool $forcedownload whether or not force download
+ * @param array $options additional options affecting the file serving
+ * @return bool false if the file not found, just send the file otherwise and do not return
+ */
+function customfield_textarea_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload, array $options=array()) {
+    global $DB;
+
+    $itemid = array_shift($args);
+    if ($filearea === 'value') {
+        // Value of the data, itemid = id in data table.
+        $datarecord = $DB->get_record(\core_customfield\data::TABLE, ['id' => $itemid], '*', MUST_EXIST);
+        $field = \core_customfield\field_controller::create($datarecord->fieldid);
+        $data = \core_customfield\data_controller::create(0, $datarecord, $field);
+        $handler = $field->get_handler();
+        if ($field->get('type') !== 'textarea' || !$handler->can_view($field, $data->get('instanceid'))
+                || $data->get_context()->id != $context->id) {
+            send_file_not_found();
+        }
+    } else if ($filearea === 'defaultvalue') {
+        // Default value of the field, itemid = id in the field table.
+        $field = \core_customfield\field_controller::create($itemid);
+        $handler = $field->get_handler();
+        if ($field->get('type') !== 'textarea' || $handler->get_configuration_context()->id != $context->id) {
+            send_file_not_found();
+        }
+    } else {
+        send_file_not_found();
+    }
+
+    $filename = array_pop($args); // The last item in the $args array.
+    $filepath = '/' . ($args ? implode('/', $args) . '/' : '');
+
+    // Retrieve the file from the Files API.
+    $fs = get_file_storage();
+    $file = $fs->get_file($context->id, 'customfield_textarea', $filearea, $itemid, $filepath, $filename);
+    if (!$file) {
+        send_file_not_found();
+    }
+
+    // We can now send the file back to the browser - in this case with a cache lifetime of 1 day and no filtering.
+    send_stored_file($file, DAYSECS, 0, $forcedownload, $options);
+}
@@ -0,0 +1,81 @@
+@customfield @customfield_textarea @javascript @editor_tiny
+Feature: Default value for the textarea custom field can contain images
+  In order to see images on custom fields
+  As a manager
+  I need to be able to add images to the default value
+
+  Background:
+    Given the following "users" exist:
+      | username | firstname | lastname | email                |
+      | teacher  | Teacher   | 1        | teacher1@example.com |
+      | manager  | Manager   | 1        | manager1@example.com |
+    And the following "courses" exist:
+      | fullname | shortname | format |
+      | Course 1 | C1        | topics |
+    And the following "course enrolments" exist:
+      | user     | course | role           |
+      | teacher  | C1     | editingteacher |
+    And the following "system role assigns" exist:
+      | user    | course               | role    |
+      | manager | Acceptance test site | manager |
+    And the following "custom field categories" exist:
+      | name              | component   | area   | itemid |
+      | Category for test | core_course | course | 0      |
+    And the following "user private files" exist:
+      | user  | filepath                       |
+      | admin | lib/tests/fixtures/gd-logo.png |
+    And I log in as "admin"
+    And I navigate to "Courses > Default settings > Course custom fields" in site administration
+    And I click on "Add a new custom field" "link"
+    And I click on "Text area" "link"
+    And I set the following fields to these values:
+      | Name       | Test field |
+      | Short name | testfield  |
+    # Embed the image into Default value.
+    And I click on "Image" "button" in the "Default value" "form_row"
+    And I click on "Browse repositories" "button"
+    And I click on "Private files" "link" in the ".fp-repo-area" "css_element"
+    And I click on "gd-logo.png" "link"
+    And I click on "Select this file" "button"
+    And I set the field "How would you describe this image to someone who can't see it?" to "Example"
+    And I click on "Save" "button" in the "Image details" "dialogue"
+    And I click on "Save changes" "button" in the "Adding a new Text area" "dialogue"
+    And I log out
+
+  Scenario: For the courses that existed before the custom field was created the default value is displayed
+    When I am on site homepage
+    Then the image at "//*[contains(@class, 'frontpage-course-list-all')]//*[contains(@class, 'customfield_textarea')]//img[contains(@src, 'pluginfile.php') and contains(@src, '/customfield_textarea/defaultvalue/') and @alt='Example']" "xpath_element" should be identical to "lib/tests/fixtures/gd-logo.png"
+
+  Scenario: Teacher will see textarea default value when editing a course created before custom field was created
+     # Teacher will see the image when editing existing course.
+    When I log in as "teacher"
+    And I am on "Course 1" course homepage
+    And I navigate to "Settings" in current page administration
+    And I expand all fieldsets
+    And I switch to the "Test field" TinyMCE editor iframe
+    Then "//img[contains(@src, 'draftfile.php') and contains(@src, '/gd-logo.png') and @alt='Example']" "xpath_element" should exist
+    And I switch to the main frame
+    # Save the course without changing the default value.
+    And I press "Save and display"
+    And I log out
+    # Now the same image is displayed as "value" and not as "defaultvalue".
+    And I am on site homepage
+    Then "//img[contains(@src, '/customfield_textarea/defaultvalue/')]" "xpath_element" should not exist
+    And the image at "//*[contains(@class, 'frontpage-course-list-all')]//*[contains(@class, 'customfield_textarea')]//img[contains(@src, 'pluginfile.php') and contains(@src, '/customfield_textarea/value/') and @alt='Example']" "xpath_element" should be identical to "lib/tests/fixtures/gd-logo.png"
+
+  Scenario: Manager can create a course and the default value for textarea custom field will apply.
+    When I log in as "manager"
+    And I go to the courses management page
+    And I click on "Create new course" "link" in the "#course-listing" "css_element"
+    And I set the following fields to these values:
+      | Course full name      | Course 2     |
+      | Course short name     | C2           |
+    And I expand all fieldsets
+    And I switch to the "Test field" TinyMCE editor iframe
+    Then "//img[contains(@src, 'draftfile.php') and contains(@src, '/gd-logo.png') and @alt='Example']" "xpath_element" should exist
+    And I switch to the main frame
+    And I press "Save and display"
+    And I log out
+    # Now the same image is displayed as "value" and not as "defaultvalue".
+    And I am on site homepage
+    Then the image at "//*[contains(@class, 'frontpage-course-list-all')]//*[contains(@class, 'customfield_textarea')]//img[contains(@src, 'pluginfile.php') and contains(@src, '/customfield_textarea/value/') and @alt='Example']" "xpath_element" should be identical to "lib/tests/fixtures/gd-logo.png"
@@ -0,0 +1,49 @@
+@customfield @customfield_textarea @javascript
+Feature: Managers can manage course custom fields textarea
+  In order to have additional data on the course
+  As a manager
+  I need to create, edit, remove and sort custom fields
+
+  Background:
+    Given the following "custom field categories" exist:
+      | name              | component   | area   | itemid |
+      | Category for test | core_course | course | 0      |
+    And I log in as "admin"
+    And I navigate to "Courses > Default settings > Course custom fields" in site administration
+
+  Scenario: Create a custom course textarea field
+    When I click on "Add a new custom field" "link"
+    And I click on "Text area" "link"
+    And I set the following fields to these values:
+      | Name       | Test field |
+      | Short name | testfield  |
+    And I click on "Save changes" "button" in the "Adding a new Text area" "dialogue"
+    Then I should see "Test field"
+    And I log out
+
+  Scenario: Edit a custom course textarea field
+    When I click on "Add a new custom field" "link"
+    And I click on "Text area" "link"
+    And I set the following fields to these values:
+      | Name       | Test field |
+      | Short name | testfield  |
+    And I click on "Save changes" "button" in the "Adding a new Text area" "dialogue"
+    And I click on "Edit" "link" in the "Test field" "table_row"
+    And I set the following fields to these values:
+      | Name | Edited field |
+    And I click on "Save changes" "button" in the "Updating Test field" "dialogue"
+    Then I should see "Edited field"
+    And I should not see "Test field"
+    And I log out
+
+  Scenario: Delete a custom course textarea field
+    When I click on "Add a new custom field" "link"
+    And I click on "Text area" "link"
+    And I set the following fields to these values:
+      | Name       | Test field |
+      | Short name | testfield  |
+    And I click on "Save changes" "button" in the "Adding a new Text area" "dialogue"
+    And I click on "Delete" "link" in the "Test field" "table_row"
+    And I click on "Yes" "button" in the "Confirm" "dialogue"
+    Then I should not see "Test field"
+    And I log out
@@ -0,0 +1,327 @@
+<?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 customfield_textarea;
+
+use core_customfield_generator;
+use core_customfield_test_instance_form;
+use context_user;
+use context_course;
+use context_system;
+
+/**
+ * Functional test for customfield_textarea
+ *
+ * @package    customfield_textarea
+ * @copyright  2019 Marina Glancy
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @covers     \customfield_textarea\field_controller
+ * @covers     \customfield_textarea\data_controller
+ */
+class plugin_test extends \advanced_testcase {
+
+    /** @var \stdClass[] */
+    private $courses = [];
+    /** @var \core_customfield\category_controller */
+    private $cfcat;
+    /** @var \core_customfield\field_controller[] */
+    private $cfields;
+    /** @var \core_customfield\data_controller[] */
+    private $cfdata;
+
+    /**
+     * Tests set up.
+     */
+    public function setUp(): void {
+        $this->resetAfterTest();
+
+        $this->cfcat = $this->get_generator()->create_category();
+
+        $this->cfields[1] = $this->get_generator()->create_field(
+            ['categoryid' => $this->cfcat->get('id'), 'shortname' => 'myfield1', 'type' => 'textarea']);
+        $this->cfields[2] = $this->get_generator()->create_field(
+            ['categoryid' => $this->cfcat->get('id'), 'shortname' => 'myfield2', 'type' => 'textarea',
+                'configdata' => ['required' => 1]]);
+        $this->cfields[3] = $this->get_generator()->create_field(
+            ['categoryid' => $this->cfcat->get('id'), 'shortname' => 'myfield3', 'type' => 'textarea',
+                'configdata' => ['defaultvalue' => 'Value3', 'defaultvalueformat' => FORMAT_MOODLE]]);
+
+        $this->courses[1] = $this->getDataGenerator()->create_course();
+        $this->courses[2] = $this->getDataGenerator()->create_course();
+        $this->courses[3] = $this->getDataGenerator()->create_course();
+
+        $this->cfdata[1] = $this->get_generator()->add_instance_data($this->cfields[1], $this->courses[1]->id,
+            ['text' => 'Value1', 'format' => FORMAT_MOODLE]);
+        $this->cfdata[2] = $this->get_generator()->add_instance_data($this->cfields[1], $this->courses[2]->id,
+            ['text' => '<br />', 'format' => FORMAT_MOODLE]);
+
+        $this->setUser($this->getDataGenerator()->create_user());
+    }
+
+    /**
+     * Get generator
+     * @return core_customfield_generator
+     */
+    protected function get_generator(): core_customfield_generator {
+        return $this->getDataGenerator()->get_plugin_generator('core_customfield');
+    }
+
+    /**
+     * Test for initialising field and data controllers
+     */
+    public function test_initialise(): void {
+        $f = \core_customfield\field_controller::create($this->cfields[1]->get('id'));
+        $this->assertTrue($f instanceof field_controller);
+
+        $f = \core_customfield\field_controller::create(0, (object)['type' => 'textarea'], $this->cfcat);
+        $this->assertTrue($f instanceof field_controller);
+
+        $d = \core_customfield\data_controller::create($this->cfdata[1]->get('id'));
+        $this->assertTrue($d instanceof data_controller);
+
+        $d = \core_customfield\data_controller::create(0, null, $this->cfields[1]);
+        $this->assertTrue($d instanceof data_controller);
+    }
+
+    /**
+     * Test for configuration form functions
+     *
+     * Create a configuration form and submit it with the same values as in the field
+     */
+    public function test_config_form(): void {
+        $this->setAdminUser();
+        $submitdata = (array)$this->cfields[3]->to_record();
+        $submitdata['configdata'] = $this->cfields[3]->get('configdata');
+
+        $submitdata = \core_customfield\field_config_form::mock_ajax_submit($submitdata);
+        $form = new \core_customfield\field_config_form(null, null, 'post', '', null, true,
+            $submitdata, true);
+        $form->set_data_for_dynamic_submission();
+        $this->assertTrue($form->is_validated());
+        $form->process_dynamic_submission();
+    }
+
+    /**
+     * Test for instance form functions
+     */
+    public function test_instance_form(): void {
+        global $CFG;
+        require_once($CFG->dirroot . '/customfield/tests/fixtures/test_instance_form.php');
+        $this->setAdminUser();
+        $handler = $this->cfcat->get_handler();
+
+        // First try to submit without required field.
+        $submitdata = (array)$this->courses[1];
+        core_customfield_test_instance_form::mock_submit($submitdata, []);
+        $form = new core_customfield_test_instance_form('POST',
+            ['handler' => $handler, 'instance' => $this->courses[1]]);
+        $this->assertFalse($form->is_validated());
+
+        // Now with required field.
+        $submitdata['customfield_myfield2_editor'] = ['text' => 'Some text', 'format' => FORMAT_HTML];
+        core_customfield_test_instance_form::mock_submit($submitdata, []);
+        $form = new core_customfield_test_instance_form('POST',
+            ['handler' => $handler, 'instance' => $this->courses[1]]);
+        $this->assertTrue($form->is_validated());
+
+        $data = $form->get_data();
+        $this->assertNotEmpty($data->customfield_myfield1_editor);
+        $this->assertNotEmpty($data->customfield_myfield2_editor);
+        $handler->instance_form_save($data);
+    }
+
+    /**
+     * Test that instance form save empties the field content for blank values
+     */
+    public function test_instance_form_save_clear(): void {
+        global $CFG;
+
+        require_once("{$CFG->dirroot}/customfield/tests/fixtures/test_instance_form.php");
+
+        $this->setAdminUser();
+
+        $handler = $this->cfcat->get_handler();
+
+        // Set our custom field to a known value.
+        $submitdata = (array) $this->courses[1] + [
+            'customfield_myfield1_editor' => ['text' => 'I can see it in your eyes', 'format' => FORMAT_HTML],
+            'customfield_myfield2_editor' => ['text' => 'I can see it in your smile', 'format' => FORMAT_HTML],
+        ];
+
+        core_customfield_test_instance_form::mock_submit($submitdata, []);
+        $form = new core_customfield_test_instance_form('post', ['handler' => $handler, 'instance' => $this->courses[1]]);
+        $handler->instance_form_save($form->get_data());
+
+        $this->assertEquals($submitdata['customfield_myfield1_editor']['text'],
+            \core_customfield\data_controller::create($this->cfdata[1]->get('id'))->export_value());
+
+        // Now empty our non-required field.
+        $submitdata['customfield_myfield1_editor']['text'] = '';
+
+        core_customfield_test_instance_form::mock_submit($submitdata, []);
+        $form = new core_customfield_test_instance_form('post', ['handler' => $handler, 'instance' => $this->courses[1]]);
+        $handler->instance_form_save($form->get_data());
+
+        $this->assertNull(\core_customfield\data_controller::create($this->cfdata[1]->get('id'))->export_value());
+    }
+
+    /**
+     * Test for data_controller::get_value and export_value
+     */
+    public function test_get_export_value(): void {
+        $this->assertEquals('Value1', $this->cfdata[1]->get_value());
+        $this->assertEquals('<div class="text_to_html">Value1</div>', $this->cfdata[1]->export_value());
+
+        // Field with empty data.
+        $this->assertNull($this->cfdata[2]->export_value());
+
+        // Field without data but with a default value.
+        $d = \core_customfield\data_controller::create(0, null, $this->cfields[3]);
+        $this->assertEquals('Value3', $d->get_value());
+        $this->assertEquals('<div class="text_to_html">Value3</div>', $d->export_value());
+    }
+
+    /**
+     * Deleting fields and data
+     */
+    public function test_delete(): void {
+        $this->cfcat->get_handler()->delete_all();
+    }
+
+    /**
+     * Test embedded file backup and restore.
+     *
+     * @covers \customfield_textarea\data_controller::backup_define_structure
+     * @covers \customfield_textarea\data_controller::backup_restore_structure
+     */
+    public function test_embedded_file_backup_and_restore(): void {
+        global $CFG, $USER, $DB;
+        require_once($CFG->dirroot . '/customfield/tests/fixtures/test_instance_form.php');
+        $this->setAdminUser();
+        $handler = $this->cfcat->get_handler();
+
+        // Create a file.
+        $fs = get_file_storage();
+        $filerecord = [
+            'contextid' => context_user::instance($USER->id)->id,
+            'component' => 'user',
+            'filearea' => 'draft',
+            'itemid' => file_get_unused_draft_itemid(),
+            'filepath' => '/',
+            'filename' => 'mytextfile.txt',
+        ];
+        $fs->create_file_from_string($filerecord, 'Some text contents');
+
+        // Add the file to the custom field.
+        $submitdata = (array) $this->courses[1];
+        $submitdata['customfield_myfield1_editor'] = [
+            'text' => 'Here is a file: @@PLUGINFILE@@/mytextfile.txt',
+            'format' => FORMAT_HTML,
+            'itemid' => $filerecord['itemid'],
+        ];
+
+        // Set the required field and submit.
+        $submitdata['customfield_myfield2_editor'] = ['text' => 'Some text', 'format' => FORMAT_HTML];
+        core_customfield_test_instance_form::mock_submit($submitdata, []);
+        $form = new core_customfield_test_instance_form('POST',
+            ['handler' => $handler, 'instance' => $this->courses[1]]);
+        $this->assertTrue($form->is_validated());
+
+        $data = $form->get_data();
+        $this->assertNotEmpty($data->customfield_myfield1_editor);
+        $this->assertNotEmpty($data->customfield_myfield2_editor);
+        $handler->instance_form_save($data);
+
+        // Check if the draft file exists.
+        $context = context_course::instance($this->courses[1]->id);
+        $file = $fs->get_file($filerecord['contextid'], $filerecord['component'], $filerecord['filearea'], $filerecord['itemid'],
+            $filerecord['filepath'], $filerecord['filename']);
+        $this->assertNotEmpty($file);
+
+        // Check if the permanent file exists.
+        $file = $fs->get_file($context->id, 'customfield_textarea', 'value', $this->cfdata[1]->get('id'), '/', 'mytextfile.txt');
+        $this->assertNotEmpty($file);
+
+        // Backup and restore the course.
+        $backupid = $this->backup($this->courses[1]);
+        $newcourseid = $this->restore($backupid, $this->courses[1], '_copy');
+
+        $newcontext = context_course::instance($newcourseid);
+
+        $newcfdata = $DB->get_record('customfield_data', ['instanceid' => $newcourseid, 'fieldid' => $this->cfields[1]->get('id')]);
+
+        // Check if the permanent file exists in the new course after restore.
+        $file = $fs->get_file($newcontext->id, 'customfield_textarea', 'value', $newcfdata->id, '/', 'mytextfile.txt');
+        $this->assertNotEmpty($file);
+    }
+
+    /**
+     * Backs a course up to temp directory.
+     *
+     * @param \stdClass $course Course object to backup
+     * @return string ID of backup
+     */
+    protected function backup($course): string {
+        global $USER, $CFG;
+        require_once($CFG->dirroot . '/backup/util/includes/backup_includes.php');
+
+        // Turn off file logging, otherwise it can't delete the file (Windows).
+        $CFG->backup_file_logger_level = \backup::LOG_NONE;
+
+        // Do backup with default settings. MODE_IMPORT means it will just
+        // create the directory and not zip it.
+        $bc = new \backup_controller(\backup::TYPE_1COURSE, $course->id,
+            \backup::FORMAT_MOODLE, \backup::INTERACTIVE_NO, \backup::MODE_IMPORT,
+            $USER->id);
+        $bc->get_plan()->get_setting('users')->set_status(\backup_setting::NOT_LOCKED);
+        $bc->get_plan()->get_setting('users')->set_value(true);
+        $bc->get_plan()->get_setting('logs')->set_value(true);
+        $backupid = $bc->get_backupid();
+
+        $bc->execute_plan();
+        $bc->destroy();
+        return $backupid;
+    }
+
+    /**
+     * Restores a course from temp directory.
+     *
+     * @param string $backupid Backup id
+     * @param \stdClass $course Original course object
+     * @param string $suffix Suffix to add after original course shortname and fullname
+     * @return int New course id
+     * @throws \restore_controller_exception
+     */
+    protected function restore(string $backupid, $course, string $suffix): int {
+        global $USER, $CFG;
+        require_once($CFG->dirroot . '/backup/util/includes/restore_includes.php');
+
+        // Do restore to new course with default settings.
+        $newcourseid = \restore_dbops::create_new_course(
+            $course->fullname . $suffix, $course->shortname . $suffix, $course->category);
+        $rc = new \restore_controller($backupid, $newcourseid,
+            \backup::INTERACTIVE_NO, \backup::MODE_GENERAL, $USER->id,
+            \backup::TARGET_NEW_COURSE);
+        $rc->get_plan()->get_setting('logs')->set_value(true);
+        $rc->get_plan()->get_setting('users')->set_value(true);
+
+        $this->assertTrue($rc->execute_precheck());
+        $rc->execute_plan();
+        $rc->destroy();
+
+        return $newcourseid;
+    }
+}
@@ -0,0 +1,29 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Customfield text area plugin
+ *
+ * @package   customfield_textarea
+ * @copyright 2018 David Matamoros <toni@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$plugin->component = 'customfield_textarea';
+$plugin->version   = 2024042200;
+$plugin->requires  = 2024041600;
@@ -0,0 +1,5 @@
+This files describes API changes in /customfield/field/* - customfield field types,
+information provided here is intended especially for developers.
+
+=== 3.8 ===
+* supports_course_grouping() and course_grouping_format_values() functions added to support use of custom fields in block_myoverview