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https://github.com/moodle/moodle.git
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b3aefe3cc8
It is probably better to parse the setting every time because somebody may put unsupported values directly into config.php, performance should not be an issue because we do not have editors on every page.
257 lines
9.7 KiB
PHP
257 lines
9.7 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* TinyMCE text editor integration.
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*
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* @package editor
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* @subpackage tinymce
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* @copyright 2009 Petr Skoda (http://skodak.org)
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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defined('MOODLE_INTERNAL') || die();
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class tinymce_texteditor extends texteditor {
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/** @var string active version - this is the directory name where to find tinymce code */
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public $version = '3.6.0';
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/**
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* Is the current browser supported by this editor?
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* @return bool
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*/
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public function supported_by_browser() {
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if (check_browser_version('MSIE', 6)) {
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return true;
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}
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if (check_browser_version('Gecko', 20030516)) {
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return true;
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}
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if (check_browser_version('Safari', 412)) {
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return true;
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}
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if (check_browser_version('Chrome', 6)) {
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return true;
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}
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if (check_browser_version('Opera', 9)) {
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return true;
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}
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if (check_browser_version('Safari iOS', 534)) {
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return true;
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}
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return false;
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}
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/**
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* Returns array of supported text formats.
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* @return array
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*/
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public function get_supported_formats() {
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// FORMAT_MOODLE is not supported here, sorry.
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return array(FORMAT_HTML => FORMAT_HTML);
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}
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/**
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* Returns text format preferred by this editor.
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* @return int
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*/
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public function get_preferred_format() {
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return FORMAT_HTML;
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}
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/**
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* Does this editor support picking from repositories?
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* @return bool
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*/
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public function supports_repositories() {
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return true;
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}
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/**
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* Sets up head code if necessary.
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*/
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public function head_setup() {
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}
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/**
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* Use this editor for give element.
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*
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* @param string $elementid
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* @param array $options
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* @param null $fpoptions
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*/
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public function use_editor($elementid, array $options=null, $fpoptions=null) {
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global $PAGE;
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if (debugging('', DEBUG_DEVELOPER)) {
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$PAGE->requires->js('/lib/editor/tinymce/tiny_mce/'.$this->version.'/tiny_mce_src.js');
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} else {
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$PAGE->requires->js('/lib/editor/tinymce/tiny_mce/'.$this->version.'/tiny_mce.js');
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}
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$PAGE->requires->js_init_call('M.editor_tinymce.init_editor', array($elementid, $this->get_init_params($elementid, $options)), true);
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if ($fpoptions) {
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$PAGE->requires->js_init_call('M.editor_tinymce.init_filepicker', array($elementid, $fpoptions), true);
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}
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}
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protected function get_init_params($elementid, array $options=null) {
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global $CFG, $PAGE, $OUTPUT;
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require_once($CFG->dirroot . '/lib/editor/tinymce/classes/plugin.php');
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//TODO: we need to implement user preferences that affect the editor setup too
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$directionality = get_string('thisdirection', 'langconfig');
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$strtime = get_string('strftimetime');
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$strdate = get_string('strftimedaydate');
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$lang = current_language();
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$contentcss = $PAGE->theme->editor_css_url()->out(false);
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$context = empty($options['context']) ? context_system::instance() : $options['context'];
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$config = get_config('editor_tinymce');
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$fontselectlist = empty($config->fontselectlist) ? '' : $config->fontselectlist;
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$fontbutton = ($fontselectlist === '') ? '' : 'fontselect,';
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$params = array(
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'moodle_config' => $config,
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'mode' => "exact",
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'elements' => $elementid,
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'relative_urls' => false,
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'document_base_url' => $CFG->httpswwwroot,
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'moodle_plugin_base' => "$CFG->httpswwwroot/lib/editor/tinymce/plugins/",
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'content_css' => $contentcss,
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'language' => $lang,
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'directionality' => $directionality,
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'plugin_insertdate_dateFormat ' => $strdate,
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'plugin_insertdate_timeFormat ' => $strtime,
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'theme' => "advanced",
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'skin' => "o2k7",
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'skin_variant' => "silver",
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'apply_source_formatting' => true,
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'remove_script_host' => false,
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'entity_encoding' => "raw",
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'plugins' => 'safari,table,style,layer,advhr,advlink,emotions,inlinepopups,' .
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'searchreplace,paste,directionality,fullscreen,nonbreaking,contextmenu,' .
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'insertdatetime,save,iespell,preview,print,noneditable,visualchars,' .
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'xhtmlxtras,template,pagebreak',
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'theme_advanced_font_sizes' => "1,2,3,4,5,6,7",
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'theme_advanced_layout_manager' => "SimpleLayout",
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'theme_advanced_toolbar_align' => "left",
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'theme_advanced_buttons1' => $fontbutton . 'fontsizeselect,formatselect,|,' .
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'undo,redo,|,search,replace,|,fullscreen',
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'theme_advanced_buttons2' => 'bold,italic,underline,strikethrough,sub,sup,|,' .
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'justifyleft,justifycenter,justifyright,|,' .
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'cleanup,removeformat,pastetext,pasteword,|,forecolor,backcolor,|,ltr,rtl',
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'theme_advanced_buttons3' => 'bullist,numlist,outdent,indent,|,' .
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'link,unlink,|,image,nonbreaking,charmap,table,|,code',
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'theme_advanced_fonts' => $fontselectlist,
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'theme_advanced_resize_horizontal' => true,
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'theme_advanced_resizing' => true,
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'theme_advanced_resizing_min_height' => 30,
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'min_height' => 30,
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'theme_advanced_toolbar_location' => "top",
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'theme_advanced_statusbar_location' => "bottom",
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);
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if (!empty($options['legacy']) or !empty($options['noclean']) or !empty($options['trusted'])) {
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// now deal somehow with non-standard tags, people scream when we do not make moodle code xtml strict,
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// but they scream even more when we strip all tags that are not strict :-(
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$params['valid_elements'] = 'script[src|type],*[*]'; // for some reason the *[*] does not inlcude javascript src attribute MDL-25836
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$params['invalid_elements'] = '';
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}
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// Add unique moodle elements - unfortunately we have to decide if these are SPANs or DIVs.
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$params['extended_valid_elements'] = 'nolink,tex,algebra,lang[lang]';
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$params['custom_elements'] = 'nolink,~tex,~algebra,lang';
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//Add onblur event for client side text validation
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if (!empty($options['required'])) {
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$params['init_instance_callback'] = 'M.editor_tinymce.onblur_event';
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}
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// Allow plugins to adjust parameters.
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editor_tinymce_plugin::all_update_init_params($params, $context, $options);
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// Should we override the default toolbar layout unconditionally?
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$customtoolbar = self::parse_toolbar_setting($config->customtoolbar);
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if ($customtoolbar) {
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unset($params['theme_advanced_buttons1']);
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unset($params['theme_advanced_buttons2']);
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unset($params['theme_advanced_buttons3']);
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unset($params['theme_advanced_buttons4']);
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$i = 1;
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foreach ($customtoolbar as $line) {
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$params['theme_advanced_buttons'.$i] = $line;
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$i++;
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}
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}
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// Remove temporary parameters.
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unset($params['moodle_config']);
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return $params;
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}
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/**
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* Parse the custom toolbar setting.
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* @param string $customtoolbar
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* @return array csv toolbar lines
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*/
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public static function parse_toolbar_setting($customtoolbar) {
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$result = array();
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$customtoolbar = trim($customtoolbar);
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if ($customtoolbar === '') {
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return $result;
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}
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$customtoolbar = str_replace("\r", "\n", $customtoolbar);
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$customtoolbar = strtolower($customtoolbar);
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foreach (explode("\n", $customtoolbar) as $line) {
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$line = preg_replace('/[^a-z0-9_,\|\-]/', ',', $line);
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$line = str_replace('|', ',|,', $line);
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$line = preg_replace('/,,+/', ',', $line);
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$line = trim($line, ',|');
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if ($line === '') {
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continue;
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}
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$result[] = $line;
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}
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return $result;
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}
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/**
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* Gets a named plugin object. Will cause fatal error if plugin doesn't
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* exist. This is intended for use by plugin files themselves.
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*
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* @param string $plugin Name of plugin e.g. 'moodleemoticon'
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* @return editor_tinymce_plugin Plugin object
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*/
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public function get_plugin($plugin) {
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global $CFG;
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require_once($CFG->dirroot . '/lib/editor/tinymce/classes/plugin.php');
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return editor_tinymce_plugin::get($plugin);
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}
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/**
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* Equivalent to tinyMCE.baseURL value available from JavaScript,
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* always use instead of /../ when referencing tinymce core code from moodle plugins!
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*
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* @return moodle_url url pointing to the root of TinyMCE javascript code.
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*/
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public function get_tinymce_base_url() {
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global $CFG;
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return new moodle_url("$CFG->httpswwwroot/lib/editor/tinymce/tiny_mce/$this->version/");
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}
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}
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