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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/>.
/**
* TinyMCE text editor integration.
*
* @package editor
* @subpackage tinymce
* @copyright 2009 Petr Skoda (http://skodak.org)
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
class tinymce_texteditor extends texteditor {
/** @var string active version - this is the directory name where to find tinymce code */
public $version = '3.5.11';
/**
* Is the current browser supported by this editor?
* @return bool
*/
public function supported_by_browser() {
// We don't support any browsers which it doesn't support.
return true;
}
/**
* Returns array of supported text formats.
* @return array
*/
public function get_supported_formats() {
// FORMAT_MOODLE is not supported here, sorry.
return array(FORMAT_HTML => FORMAT_HTML);
}
/**
* Returns text format preferred by this editor.
* @return int
*/
public function get_preferred_format() {
return FORMAT_HTML;
}
/**
* Does this editor support picking from repositories?
* @return bool
*/
public function supports_repositories() {
return true;
}
/**
* Sets up head code if necessary.
*/
public function head_setup() {
}
/**
* Use this editor for give element.
*
* @param string $elementid
* @param array $options
* @param null $fpoptions
*/
public function use_editor($elementid, array $options=null, $fpoptions=null) {
global $PAGE, $CFG;
// Note: use full moodle_url instance to prevent standard JS loader, make sure we are using https on profile page if required.
if ($CFG->debugdeveloper) {
$PAGE->requires->js(new moodle_url('/lib/editor/tinymce/tiny_mce/'.$this->version.'/tiny_mce_src.js'));
} else {
$PAGE->requires->js(new moodle_url('/lib/editor/tinymce/tiny_mce/'.$this->version.'/tiny_mce.js'));
}
$PAGE->requires->js_init_call('M.editor_tinymce.init_editor', array($elementid, $this->get_init_params($elementid, $options)), true);
if ($fpoptions) {
$PAGE->requires->js_init_call('M.editor_tinymce.init_filepicker', array($elementid, $fpoptions), true);
}
}
protected function get_init_params($elementid, array $options=null) {
global $CFG, $PAGE, $OUTPUT;
//TODO: we need to implement user preferences that affect the editor setup too
$directionality = get_string('thisdirection', 'langconfig');
$strtime = get_string('strftimetime');
$strdate = get_string('strftimedaydate');
$lang = current_language();
$contentcss = $PAGE->theme->editor_css_url()->out(false);
$context = empty($options['context']) ? context_system::instance() : $options['context'];
$config = get_config('editor_tinymce');
if (!isset($config->disabledsubplugins)) {
$config->disabledsubplugins = '';
}
// Remove the manage files button if requested.
if (isset($options['enable_filemanagement']) && !$options['enable_filemanagement']) {
if (!strpos($config->disabledsubplugins, 'managefiles')) {
$config->disabledsubplugins .= ',managefiles';
}
}
$fontselectlist = empty($config->fontselectlist) ? '' : $config->fontselectlist;
$langrev = -1;
if (!empty($CFG->cachejs)) {
$langrev = get_string_manager()->get_revision();
}
$params = array(
'moodle_config' => $config,
'mode' => "exact",
'elements' => $elementid,
'relative_urls' => false,
'document_base_url' => $CFG->wwwroot,
'moodle_plugin_base' => "$CFG->wwwroot/lib/editor/tinymce/plugins/",
'content_css' => $contentcss,
'language' => $lang,
'directionality' => $directionality,
'plugin_insertdate_dateFormat ' => $strdate,
'plugin_insertdate_timeFormat ' => $strtime,
'theme' => "advanced",
'skin' => "moodle",
'apply_source_formatting' => true,
'remove_script_host' => false,
'entity_encoding' => "raw",
'plugins' => 'lists,table,style,layer,advhr,advlink,emotions,inlinepopups,' .
'searchreplace,paste,directionality,fullscreen,nonbreaking,contextmenu,' .
'insertdatetime,save,iespell,preview,print,noneditable,visualchars,' .
'xhtmlxtras,template,pagebreak',
'gecko_spellcheck' => true,
'theme_advanced_font_sizes' => "1,2,3,4,5,6,7",
'theme_advanced_layout_manager' => "SimpleLayout",
'theme_advanced_toolbar_align' => "left",
'theme_advanced_fonts' => $fontselectlist,
'theme_advanced_resize_horizontal' => true,
'theme_advanced_resizing' => true,
'theme_advanced_resizing_min_height' => 30,
'min_height' => 30,
'theme_advanced_toolbar_location' => "top",
'theme_advanced_statusbar_location' => "bottom",
'language_load' => false, // We load all lang strings directly from Moodle.
'langrev' => $langrev,
);
// Should we override the default toolbar layout unconditionally?
if (!empty($config->customtoolbar) and $customtoolbar = self::parse_toolbar_setting($config->customtoolbar)) {
$i = 1;
foreach ($customtoolbar as $line) {
$params['theme_advanced_buttons'.$i] = $line;
$i++;
}
} else {
// At least one line is required.
$params['theme_advanced_buttons1'] = '';
}
if (!empty($config->customconfig)) {
$config->customconfig = trim($config->customconfig);
$decoded = json_decode($config->customconfig, true);
if (is_array($decoded)) {
foreach ($decoded as $k=>$v) {
$params[$k] = $v;
}
}
}
if (!empty($options['legacy']) or !empty($options['noclean']) or !empty($options['trusted'])) {
// now deal somehow with non-standard tags, people scream when we do not make moodle code xtml strict,
// but they scream even more when we strip all tags that are not strict :-(
$params['valid_elements'] = 'script[src|type],*[*]'; // for some reason the *[*] does not inlcude javascript src attribute MDL-25836
$params['invalid_elements'] = '';
}
// Add unique moodle elements - unfortunately we have to decide if these are SPANs or DIVs.
$params['extended_valid_elements'] = 'nolink,tex,algebra,lang[lang]';
$params['custom_elements'] = 'nolink,~tex,~algebra,lang';
//Add onblur event for client side text validation
if (!empty($options['required'])) {
$params['init_instance_callback'] = 'M.editor_tinymce.onblur_event';
}
// Allow plugins to adjust parameters.
editor_tinymce_plugin::all_update_init_params($params, $context, $options);
// Remove temporary parameters.
unset($params['moodle_config']);
return $params;
}
/**
* Parse the custom toolbar setting.
* @param string $customtoolbar
* @return array csv toolbar lines
*/
public static function parse_toolbar_setting($customtoolbar) {
$result = array();
$customtoolbar = trim($customtoolbar);
if ($customtoolbar === '') {
return $result;
}
$customtoolbar = str_replace("\r", "\n", $customtoolbar);
$customtoolbar = strtolower($customtoolbar);
$i = 0;
foreach (explode("\n", $customtoolbar) as $line) {
$line = preg_replace('/[^a-z0-9_,\|\-]/', ',', $line);
$line = str_replace('|', ',|,', $line);
$line = preg_replace('/,,+/', ',', $line);
$line = trim($line, ',|');
if ($line === '') {
continue;
}
if ($i == 10) {
// Maximum is ten lines, merge the rest to the last line.
$result[9] = $result[9].','.$line;
} else {
$result[] = $line;
$i++;
}
}
return $result;
}
/**
* Gets a named plugin object. Will cause fatal error if plugin doesn't
* exist. This is intended for use by plugin files themselves.
*
* @param string $plugin Name of plugin e.g. 'moodleemoticon'
* @return editor_tinymce_plugin Plugin object
*/
public function get_plugin($plugin) {
global $CFG;
return editor_tinymce_plugin::get($plugin);
}
/**
* Equivalent to tinyMCE.baseURL value available from JavaScript,
* always use instead of /../ when referencing tinymce core code from moodle plugins!
*
* @return moodle_url url pointing to the root of TinyMCE javascript code.
*/
public function get_tinymce_base_url() {
global $CFG;
return new moodle_url("/lib/editor/tinymce/tiny_mce/$this->version/");
}
}