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<?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;
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;
}
$fromform = $datanew->$fieldname;
if (!$this->get('id')) {
$this->data->set('value', '');
$this->data->set('valueformat', FORMAT_MOODLE);
$this->save();
}
if (array_key_exists('text', $fromform)) {
$textoptions = $this->value_editor_options();
$data = (object) ['field_editor' => $fromform];
$data = file_postupdate_standard_editor($data, 'field', $textoptions, $textoptions['context'],
'customfield_textarea', 'value', $this->get('id'));
$this->data->set('value', $data->field);
$this->data->set('valueformat', $data->fieldformat);
$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 = $this->value_editor_options();
if ($this->get('id')) {
$text = $this->get('value');
$format = $this->get('valueformat');
$temp = (object)['field' => $text, 'fieldformat' => $format];
file_prepare_standard_editor($temp, 'field', $textoptions, $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' => $format];
file_prepare_standard_editor($temp, 'field', $textoptions, $textoptions['context'], 'customfield_textarea',
'defaultvalue', $this->get_field()->get('id'));
$value = $temp->field_editor;
}
$instance->{$this->get_form_element_name()} = $value;
}
/**
* Delete data
*
* @return bool
*/
public function delete() {
get_file_storage()->delete_area_files($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');
}
/**
* 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($value)) {
return null;
}
if ($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]);
} else {
$fieldid = $this->get_field()->get('id');
$configcontext = $this->get_field()->get_handler()->get_configuration_context();
$processed = file_rewrite_pluginfile_urls($value, 'pluginfile.php',
$configcontext->id, 'customfield_textarea', 'defaultvalue', $fieldid);
$valueformat = $this->get_field()->get_configdata_property('defaultvalueformat');
$value = format_text($processed, $valueformat, ['context' => $configcontext]);
}
return $value;
}
}