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See Release Notes

  • Bug fixes for general core bugs in 4.0.x will end 8 May 2023 (12 months).
  • Bug fixes for security issues in 4.0.x will end 13 November 2023 (18 months).
  • PHP version: minimum PHP 7.3.0 Note: the minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is also supported.
<?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/>.


/**
 * Editor input element
 *
 * Contains class to create preffered editor form element
 *
 * @package   core_form
 * @copyright 2009 Petr Skoda {@link http://skodak.org}
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

global $CFG;

require_once('HTML/QuickForm/element.php');
require_once($CFG->dirroot.'/lib/filelib.php');
require_once($CFG->dirroot.'/repository/lib.php');
require_once('templatable_form_element.php');

/**
 * Editor element
 *
< * It creates preffered editor (textbox/TinyMce) form element for the format (Text/HTML) selected.
> * It creates preffered editor (textbox/Tiny) form element for the format (Text/HTML) selected.
* * @package core_form * @category form * @copyright 2009 Petr Skoda {@link http://skodak.org} * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later * @todo MDL-29421 element Freezing * @todo MDL-29426 ajax format conversion */ class MoodleQuickForm_editor extends HTML_QuickForm_element implements templatable { use templatable_form_element { export_for_template as export_for_template_base; } /** @var string html for help button, if empty then no help will icon will be dispalyed. */ public $_helpbutton = ''; /** @var string defines the type of editor */ public $_type = 'editor'; /** @var array options provided to initalize filepicker */ protected $_options = array('subdirs' => 0, 'maxbytes' => 0, 'maxfiles' => 0, 'changeformat' => 0, 'areamaxbytes' => FILE_AREA_MAX_BYTES_UNLIMITED, 'context' => null, 'noclean' => 0, 'trusttext' => 0, 'return_types' => 15, 'enable_filemanagement' => true, 'removeorphaneddrafts' => false, 'autosave' => true); // 15 is $_options['return_types'] = FILE_INTERNAL | FILE_EXTERNAL | FILE_REFERENCE | FILE_CONTROLLED_LINK. /** @var array values for editor */ protected $_values = array('text'=>null, 'format'=>null, 'itemid'=>null); /** @var bool if true label will be hidden */ protected $_hiddenLabel = false; /** * Constructor * * @param string $elementName (optional) name of the editor * @param string $elementLabel (optional) editor label * @param array $attributes (optional) Either a typical HTML attribute string * or an associative array * @param array $options set of options to initalize filepicker */ public function __construct($elementName=null, $elementLabel=null, $attributes=null, $options=null) { global $CFG, $PAGE; $options = (array)$options; foreach ($options as $name=>$value) { if (array_key_exists($name, $this->_options)) { $this->_options[$name] = $value; } } if (!empty($options['maxbytes'])) { $this->_options['maxbytes'] = get_max_upload_file_size($CFG->maxbytes, $options['maxbytes']); } if (!$this->_options['context']) { // trying to set context to the current page context to make legacy files show in filepicker (e.g. forum post) if (!empty($PAGE->context->id)) { $this->_options['context'] = $PAGE->context; } else { $this->_options['context'] = context_system::instance(); } } $this->_options['trusted'] = trusttext_trusted($this->_options['context']); parent::__construct($elementName, $elementLabel, $attributes); // Note: for some reason the code using this setting does not like bools. $this->_options['subdirs'] = (int)($this->_options['subdirs'] == 1); editors_head_setup(); } /** * Old syntax of class constructor. Deprecated in PHP7. * * @deprecated since Moodle 3.1 */ public function MoodleQuickForm_editor($elementName=null, $elementLabel=null, $attributes=null, $options=null) { debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER); self::__construct($elementName, $elementLabel, $attributes, $options); } /** * Called by HTML_QuickForm whenever form event is made on this element * * @param string $event Name of event * @param mixed $arg event arguments * @param object $caller calling object * @return bool */ function onQuickFormEvent($event, $arg, &$caller) { switch ($event) { case 'createElement': $caller->setType($arg[0] . '[format]', PARAM_ALPHANUM); $caller->setType($arg[0] . '[itemid]', PARAM_INT); break; } return parent::onQuickFormEvent($event, $arg, $caller); } /** * Sets name of editor * * @param string $name name of the editor */ function setName($name) { $this->updateAttributes(array('name'=>$name)); } /** * Returns name of element * * @return string */ function getName() { return $this->getAttribute('name'); } /** * Updates editor values, if part of $_values * * @param array $values associative array of values to set */ function setValue($values) { $values = (array)$values; foreach ($values as $name=>$value) { if (array_key_exists($name, $this->_values)) { $this->_values[$name] = $value; } } } /** * Returns editor values * * @return array */ function getValue() { return $this->_values; } /** * Returns maximum file size which can be uploaded * * @return int */ function getMaxbytes() { return $this->_options['maxbytes']; } /** * Sets maximum file size which can be uploaded * * @param int $maxbytes file size */ function setMaxbytes($maxbytes) { global $CFG; $this->_options['maxbytes'] = get_max_upload_file_size($CFG->maxbytes, $maxbytes); } /** * Returns the maximum size of the area. * * @return int */ function getAreamaxbytes() { return $this->_options['areamaxbytes']; } /** * Sets the maximum size of the area. * * @param int $areamaxbytes size limit */ function setAreamaxbytes($areamaxbytes) { $this->_options['areamaxbytes'] = $areamaxbytes; } /** * Returns maximum number of files which can be uploaded * * @return int */ function getMaxfiles() { return $this->_options['maxfiles']; } /** * Sets maximum number of files which can be uploaded. * * @param int $num number of files */ function setMaxfiles($num) { $this->_options['maxfiles'] = $num; } /** * Returns true if subdirectoy can be created, else false * * @return bool */ function getSubdirs() { return $this->_options['subdirs']; } /** * Set option to create sub directory, while uploading file * * @param bool $allow true if sub directory can be created. */ function setSubdirs($allow) { $this->_options['subdirs'] = (int)($allow == 1); } /** * Returns editor text content * * @return string Text content */ public function get_text(): string { return $this->_values['text']; } /** * Returns editor format * * @return int. */ function getFormat() { return $this->_values['format']; } /** * Checks if editor used is a required field * * @return bool true if required field. */ function isRequired() { return (isset($this->_options['required']) && $this->_options['required']); } /** * @deprecated since Moodle 2.0 */ function setHelpButton($_helpbuttonargs, $function='_helpbutton') { throw new coding_exception('setHelpButton() can not be used any more, please see MoodleQuickForm::addHelpButton().'); } /** * Returns html for help button. * * @return string html for help button */ function getHelpButton() { return $this->_helpbutton; } /** * Returns type of editor element * * @return string */ function getElementTemplateType() { if ($this->_flagFrozen){ return 'nodisplay'; } else { return 'default'; } } /** * Returns HTML for editor form element. * * @return string */ function toHtml() { global $CFG, $PAGE, $OUTPUT; require_once($CFG->dirroot.'/repository/lib.php'); if ($this->_flagFrozen) { return $this->getFrozenHtml(); } $ctx = $this->_options['context']; $id = $this->_attributes['id']; $elname = $this->_attributes['name']; $subdirs = $this->_options['subdirs']; $maxbytes = $this->_options['maxbytes']; $areamaxbytes = $this->_options['areamaxbytes']; $maxfiles = $this->_options['maxfiles']; $changeformat = $this->_options['changeformat']; // TO DO: implement as ajax calls $text = $this->_values['text']; $format = $this->_values['format']; $draftitemid = $this->_values['itemid']; // security - never ever allow guest/not logged in user to upload anything if (isguestuser() or !isloggedin()) { $maxfiles = 0; } $str = $this->_getTabs(); $str .= '<div>'; $editor = editors_get_preferred_editor($format); $strformats = format_text_menu(); $formats = $editor->get_supported_formats(); foreach ($formats as $fid) { $formats[$fid] = $strformats[$fid]; } // get filepicker info // $fpoptions = array(); if ($maxfiles != 0 ) { if (empty($draftitemid)) { // no existing area info provided - let's use fresh new draft area require_once("$CFG->libdir/filelib.php"); $this->setValue(array('itemid'=>file_get_unused_draft_itemid())); $draftitemid = $this->_values['itemid']; } $args = new stdClass(); // need these three to filter repositories list $args->accepted_types = array('web_image'); $args->return_types = $this->_options['return_types']; $args->context = $ctx; $args->env = 'filepicker'; // advimage plugin $image_options = initialise_filepicker($args); $image_options->context = $ctx; $image_options->client_id = uniqid(); $image_options->maxbytes = $this->_options['maxbytes']; $image_options->areamaxbytes = $this->_options['areamaxbytes']; $image_options->env = 'editor'; $image_options->itemid = $draftitemid; // moodlemedia plugin $args->accepted_types = array('video', 'audio'); $media_options = initialise_filepicker($args); $media_options->context = $ctx; $media_options->client_id = uniqid(); $media_options->maxbytes = $this->_options['maxbytes']; $media_options->areamaxbytes = $this->_options['areamaxbytes']; $media_options->env = 'editor'; $media_options->itemid = $draftitemid; // advlink plugin $args->accepted_types = '*'; $link_options = initialise_filepicker($args); $link_options->context = $ctx; $link_options->client_id = uniqid(); $link_options->maxbytes = $this->_options['maxbytes']; $link_options->areamaxbytes = $this->_options['areamaxbytes']; $link_options->env = 'editor'; $link_options->itemid = $draftitemid; $args->accepted_types = array('.vtt'); $subtitle_options = initialise_filepicker($args); $subtitle_options->context = $ctx; $subtitle_options->client_id = uniqid(); $subtitle_options->maxbytes = $this->_options['maxbytes']; $subtitle_options->areamaxbytes = $this->_options['areamaxbytes']; $subtitle_options->env = 'editor'; $subtitle_options->itemid = $draftitemid; if (has_capability('moodle/h5p:deploy', $ctx)) { // Only set H5P Plugin settings if the user can deploy new H5P content. // H5P plugin. $args->accepted_types = array('.h5p'); $h5poptions = initialise_filepicker($args); $h5poptions->context = $ctx; $h5poptions->client_id = uniqid(); $h5poptions->maxbytes = $this->_options['maxbytes']; $h5poptions->areamaxbytes = $this->_options['areamaxbytes']; $h5poptions->env = 'editor'; $h5poptions->itemid = $draftitemid; $fpoptions['h5p'] = $h5poptions; } $fpoptions['image'] = $image_options; $fpoptions['media'] = $media_options; $fpoptions['link'] = $link_options; $fpoptions['subtitle'] = $subtitle_options; }
> // TODO Remove this in MDL-77334 for Moodle 4.6.
//If editor is required and tinymce, then set required_tinymce option to initalize tinymce validation. if (($editor instanceof tinymce_texteditor) && !is_null($this->getAttribute('onchange'))) { $this->_options['required'] = true; } // print text area - TODO: add on-the-fly switching, size configuration, etc. $editor->set_text($text); $editor->use_editor($id, $this->_options, $fpoptions); $rows = empty($this->_attributes['rows']) ? 15 : $this->_attributes['rows']; $cols = empty($this->_attributes['cols']) ? 80 : $this->_attributes['cols']; //Apply editor validation if required field $context = []; $context['rows'] = $rows; $context['cols'] = $cols; $context['frozen'] = $this->_flagFrozen; foreach ($this->getAttributes() as $name => $value) { $context[$name] = $value; } $context['hasformats'] = count($formats) > 1; $context['formats'] = []; if (($format === '' || $format === null) && count($formats)) { $format = key($formats); } foreach ($formats as $formatvalue => $formattext) { $context['formats'][] = ['value' => $formatvalue, 'text' => $formattext, 'selected' => ($formatvalue == $format)]; } $context['id'] = $id; $context['value'] = $text; $context['format'] = $format; $context['formatlabel'] = get_string('editorxformat', 'editor', $this->_label); if (!is_null($this->getAttribute('onblur')) && !is_null($this->getAttribute('onchange'))) { $context['changelistener'] = true; } $str .= $OUTPUT->render_from_template('core_form/editor_textarea', $context); // during moodle installation, user area doesn't exist // so we need to disable filepicker here. if (!during_initial_install() && empty($CFG->adminsetuppending)) { // 0 means no files, -1 unlimited if ($maxfiles != 0 ) { $str .= html_writer::empty_tag('input', array('type' => 'hidden', 'name' => $elname.'[itemid]', 'value' => $draftitemid)); // used by non js editor only $editorurl = new moodle_url("$CFG->wwwroot/repository/draftfiles_manager.php", array( 'action'=>'browse', 'env'=>'editor', 'itemid'=>$draftitemid, 'subdirs'=>$subdirs, 'maxbytes'=>$maxbytes, 'areamaxbytes' => $areamaxbytes, 'maxfiles'=>$maxfiles, 'ctx_id'=>$ctx->id, 'course'=>$PAGE->course->id, 'sesskey'=>sesskey(), )); $str .= '<noscript>'; $str .= "<div><object type='text/html' data='$editorurl' height='160' width='600' style='border:1px solid #000'></object></div>"; $str .= '</noscript>'; } } $str .= '</div>'; return $str; } public function export_for_template(renderer_base $output) { $context = $this->export_for_template_base($output); $context['html'] = $this->toHtml(); return $context; } /** * Returns the formatted value. The return from parent class is not acceptable. * * @return string */ public function getFrozenHtml(): string { return format_text($this->get_text(), $this->getFormat()) . $this->_getPersistantData(); } /** * Sets label to be hidden. * * @param bool $hiddenLabel Whether the label should be hidden or not. * @return void */ function setHiddenLabel($hiddenLabel) { $this->_hiddenLabel = $hiddenLabel; } }