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class.ilTinyMCE.php
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1 <?php
2 
3 declare(strict_types=1);
4 
30 class ilTinyMCE extends ilRTE
31 {
32  protected static bool $renderedToGlobalTemplate = false;
33 
34  protected string $mode = 'textareas';
35  protected string $version = ''; // set default version here
36  protected bool $styleselect = false;
37  protected bool $remove_img_context_menu_item = false;
41  protected array $contextMenuItems;
42 
43  public function __construct()
44  {
45  parent::__construct();
46 
47  $this->plugins = [
48  'link',
49  'emoticons',
50  'hr',
51  'table',
52  'save',
53  'insertdatetime',
54  'preview',
55  'searchreplace',
56  'print',
57  'paste',
58  'directionality',
59  'fullscreen',
60  'nonbreaking',
61  'noneditable',
62  'anchor',
63  'lists',
64  'code',
65  'charmap'
66  ];
67  $this->contextMenuItems = ['cut', 'copy', 'paste', 'link', 'unlink', 'ilimgupload', 'imagetools', 'table'];
68 
69  $this->setStyleSelect(false);
70  $this->addInternalTinyMCEImageManager();
71  }
72 
73 
77  public function getPlugins(): array
78  {
79  return $this->plugins;
80  }
81 
82  protected function addInternalTinyMCEImageManager(): void
83  {
84  if (!$this->client_init->readVariable('tinymce', 'use_advanced_img_mng')) {
85  parent::addPlugin('ilimgupload');
86  $this->addButton('ilimgupload');
87  parent::removePlugin('ibrowser');
88  parent::removePlugin('image');
89 
90  $this->disableButtons([
91  'ibrowser',
92  'image'
93  ]);
94 
95  $this->setRemoveImgContextMenuItem(true);
96  } else {
97  parent::addPlugin('ibrowser');
98  parent::removePlugin('ilimgupload');
99  $this->disableButtons('ilimgupload');
100 
101  $this->setRemoveImgContextMenuItem(false);
102  }
103  }
104 
108  protected function handleImagePluginsBeforeRendering(array $tags): void
109  {
110  if (!in_array('img', $tags)) {
111  $this->setRemoveImgContextMenuItem(true);
112  parent::removePlugin('ilimgupload');
113  parent::removePlugin('ibrowser');
114  parent::removePlugin('image');
115  $this->disableButtons([
116  'ibrowser',
117  'image',
118  'ilimgupload'
119  ]);
120  }
121  }
122 
123  protected function handleIliasImageManagerAdded(): void
124  {
125  $this->addInternalTinyMCEImageManager();
126  }
127 
128  protected function handleIliasImageManagerRemoved(): void
129  {
130  if (!$this->client_init->readVariable('tinymce', 'use_advanced_img_mng')) {
131  parent::removePlugin('ilimgupload');
132  $this->disableButtons('ilimgupload');
133  } else {
134  parent::removePlugin('ibrowser');
135  $this->disableButtons('ibrowser');
136  }
137  }
138 
139  public function addPlugin(string $a_plugin_name): void
140  {
141  if (self::ILIAS_IMG_MANAGER_PLUGIN === $a_plugin_name) {
142  $this->handleIliasImageManagerAdded();
143  } else {
144  parent::addPlugin($a_plugin_name);
145  }
146  }
147 
148  public function removePlugin(string $a_plugin_name): void
149  {
150  if (self::ILIAS_IMG_MANAGER_PLUGIN === $a_plugin_name) {
151  $this->handleIliasImageManagerRemoved();
152  } else {
153  parent::removePlugin($a_plugin_name);
154  }
155  }
156 
157  public function addRTESupport(
158  int $obj_id,
159  string $obj_type,
160  string $a_module = '',
161  bool $allowFormElements = false,
162  ?string $cfg_template = null,
163  bool $hide_switch = false
164  ): void {
165  global $DIC;
166 
167  $lng = $DIC['lng'];
168 
169  if ($this->browser->isMobile()) {
170  ilObjAdvancedEditing::_setRichTextEditorUserState(0);
171  } else {
172  ilObjAdvancedEditing::_setRichTextEditorUserState(1);
173  }
174 
175  if (
176  ilObjAdvancedEditing::_getRichTextEditorUserState() !== 0 &&
177  strcmp(ilObjAdvancedEditing::_getRichTextEditor(), "0") !== 0
178  ) {
179  $tpl = new ilTemplate(
180  ($cfg_template ?? "tpl.tinymce.js"),
181  true,
182  true,
183  "Services/RTE"
184  );
185  $this->handleImgContextMenuItem($tpl);
186  $tags = ilObjAdvancedEditing::_getUsedHTMLTags($a_module);
187  $this->handleImagePluginsBeforeRendering($tags);
188  if ($allowFormElements) {
189  $tpl->touchBlock("formelements");
190  }
191  if ($this->getInitialWidth() !== null && $tpl->blockExists('initial_width')) {
192  $tpl->setCurrentBlock('initial_width');
193  $tpl->setVariable('INITIAL_WIDTH', $this->getInitialWidth());
194  $tpl->parseCurrentBlock();
195  }
196  $tpl->setCurrentBlock('tinymce');
197 
198  $tpl->setVariable('OBJ_ID', $obj_id);
199  $tpl->setVariable('OBJ_TYPE', $obj_type);
200  $tpl->setVariable('CLIENT_ID', CLIENT_ID);
201  $tpl->setVariable('SESSION_ID', $_COOKIE[session_name()]);
202  $tpl->setVariable('BLOCKFORMATS', $this->_buildAdvancedBlockformatsFromHTMLTags($tags));
203  $tpl->setVariable('VALID_ELEMENTS', $this->_getValidElementsFromHTMLTags($tags));
204  $tpl->setVariable('TXT_MAX_SIZE', ilFileUtils::getFileSizeInfo());
205  // allowed extentions for uploaded image files
206  $tinyMCE_valid_imgs = ['gif', 'jpg', 'jpeg', 'png'];
207  $tpl->setVariable(
208  'TXT_ALLOWED_FILE_EXTENSIONS',
209  $lng->txt('file_allowed_suffixes') . ' ' .
210  implode(', ', array_map(static function (string $value): string {
211  return '.' . $value;
212  }, $tinyMCE_valid_imgs))
213  );
214 
215  $buttons_1 = $this->_buildAdvancedButtonsFromHTMLTags(1, $tags);
216  $buttons_2 = $this->_buildAdvancedButtonsFromHTMLTags(2, $tags)
217  . ',' . $this->_buildAdvancedTableButtonsFromHTMLTags($tags)
218  . ($this->getStyleSelect() ? ',styleselect' : '');
219  $buttons_3 = $this->_buildAdvancedButtonsFromHTMLTags(3, $tags);
220  $tpl->setVariable('BUTTONS_1', self::removeRedundantSeparators($buttons_1));
221  $tpl->setVariable('BUTTONS_2', self::removeRedundantSeparators($buttons_2));
222  $tpl->setVariable('BUTTONS_3', self::removeRedundantSeparators($buttons_3));
223 
224  $tpl->setVariable('CONTEXT_MENU_ITEMS', implode(' ', $this->contextMenuItems));
225 
226  $tpl->setVariable('ADDITIONAL_PLUGINS', implode(' ', $this->plugins));
227 
228  $tpl->setVariable(
229  'STYLESHEET_LOCATION',
230  ilUtil::getNewContentStyleSheetLocation() . ',' . ilUtil::getStyleSheetLocation('output', 'delos.css')
231  );
232  $tpl->setVariable('LANG', $this->_getEditorLanguage());
233 
234  if ($this->getRTERootBlockElement() !== null) {
235  $tpl->setVariable('FORCED_ROOT_BLOCK', $this->getRTERootBlockElement());
236  }
237 
238  $tpl->parseCurrentBlock();
239 
240  if (!self::$renderedToGlobalTemplate) {
241  $this->tpl->addJavaScript('node_modules/tinymce/tinymce.js');
242  $this->tpl->addOnLoadCode($tpl->get());
243  self::$renderedToGlobalTemplate = true;
244  }
245  }
246  }
247 
248  protected function handleImgContextMenuItem(ilTemplate $tpl): void
249  {
250  if ($this->getRemoveImgContextMenuItem() && $tpl->blockExists('remove_img_context_menu_item')) {
251  $tpl->touchBlock('remove_img_context_menu_item');
252  }
253  }
254 
255  //https://github.com/ILIAS-eLearning/ILIAS/pull/3088#issuecomment-805830050
256 
257  public function addContextmenuItem(string $item = ''): void
258  {
259  if ($item !== '') {
260  $this->contextMenuItems[] = $item;
261  }
262  }
263 
264  public function removeAllContextMenuItems(): void
265  {
266  $this->contextMenuItems = [];
267  }
268 
269  public function addCustomRTESupport(int $obj_id, string $obj_type, array $tags): void
270  {
271  $this->handleImagePluginsBeforeRendering($tags);
272 
273  $tpl = new ilTemplate('tpl.tinymce.js', true, true, 'Services/RTE');
274  $this->handleImgContextMenuItem($tpl);
275  $tpl->setCurrentBlock('tinymce');
276 
277  $tpl->setVariable('OBJ_ID', $obj_id);
278  $tpl->setVariable('OBJ_TYPE', $obj_type);
279  $tpl->setVariable('CLIENT_ID', CLIENT_ID);
280  $tpl->setVariable('SESSION_ID', $_COOKIE[session_name()]);
281  $tpl->setVariable('BLOCKFORMATS', $this->_buildAdvancedBlockformatsFromHTMLTags($tags));
282  $tpl->setVariable('VALID_ELEMENTS', $this->_getValidElementsFromHTMLTags($tags));
283  $tpl->setVariable('TXT_MAX_SIZE', ilFileUtils::getFileSizeInfo());
284 
285  $this->disableButtons('charmap');
286  $buttons_1 = $this->_buildAdvancedButtonsFromHTMLTags(1, $tags);
287  $buttons_2 = $this->_buildAdvancedButtonsFromHTMLTags(2, $tags)
288  . ',' . $this->_buildAdvancedTableButtonsFromHTMLTags($tags)
289  . ($this->getStyleSelect() ? ',styleselect' : '');
290  $buttons_3 = $this->_buildAdvancedButtonsFromHTMLTags(3, $tags);
291  $tpl->setVariable('BUTTONS_1', self::removeRedundantSeparators($buttons_1));
292  $tpl->setVariable('BUTTONS_2', self::removeRedundantSeparators($buttons_2));
293  $tpl->setVariable('BUTTONS_3', self::removeRedundantSeparators($buttons_3));
294 
295  $tpl->setVariable('CONTEXT_MENU_ITEMS', implode(' ', $this->contextMenuItems));
296 
297  $tpl->setVariable('ADDITIONAL_PLUGINS', implode(' ', $this->plugins));
298 
299  $tpl->setVariable('STYLESHEET_LOCATION', ilUtil::getNewContentStyleSheetLocation());
300  $tpl->setVariable('LANG', $this->_getEditorLanguage());
301 
302  if ($this->getRTERootBlockElement() !== null) {
303  $tpl->setVariable('FORCED_ROOT_BLOCK', $this->getRTERootBlockElement());
304  }
305 
306  $tpl->parseCurrentBlock();
307 
308  if (!self::$renderedToGlobalTemplate) {
309  $this->tpl->addJavaScript('node_modules/tinymce/tinymce.js');
310  $this->tpl->addOnLoadCode($tpl->get());
311  self::$renderedToGlobalTemplate = true;
312  }
313  }
314 
315  public function addUserTextEditor(string $editor_selector): void
316  {
317  $validtags = ["strong", "em", "p", "br", "div", "span"];
318  $buttontags = ['strong', 'em'];
319 
320  $template = new ilTemplate('tpl.usereditor.js', true, true, 'Services/RTE');
321  $this->handleImgContextMenuItem($template);
322  $template->setCurrentBlock('tinymce');
323 
324  $template->setVariable('SELECTOR', $editor_selector);
325  $template->setVariable('BLOCKFORMATS', '');
326  $template->setVariable('VALID_ELEMENTS', $this->_getValidElementsFromHTMLTags($validtags));
327  if ($this->getStyleSelect()) {
328  $template->setVariable('STYLE_SELECT', ',styleselect');
329  }
330  $template->setVariable('BUTTONS', $this->getButtonsForUserTextEditor($buttontags) . ' backcolor removeformat');
331 
332  $template->setVariable(
333  'STYLESHEET_LOCATION',
334  ilUtil::getNewContentStyleSheetLocation() . ',' . ilUtil::getStyleSheetLocation('output', 'delos.css')
335  );
336  $template->setVariable('LANG', $this->_getEditorLanguage());
337  $template->parseCurrentBlock();
338 
339  $this->tpl->addJavaScript('node_modules/tinymce/tinymce.js');
340  $this->tpl->addOnLoadCode($template->get());
341  }
342 
347  protected function getButtonsForUserTextEditor(array $buttontags): string
348  {
349  $btns = $this->_buildButtonsFromHTMLTags($buttontags);
350 
351  $btns = explode(' ', $btns);
352 
353  $btns[] = 'undo';
354  $btns[] = 'redo';
355 
356  return implode(' ', $btns);
357  }
358 
359  protected function setStyleSelect(bool $a_styleselect): void
360  {
361  $this->styleselect = $a_styleselect;
362  }
363 
364  public function getStyleSelect(): bool
365  {
366  return $this->styleselect;
367  }
368 
373  public function _buildAdvancedBlockformatsFromHTMLTags(array $a_html_tags): string
374  {
375  $blockformats = [];
376 
377  if (in_array('p', $a_html_tags)) {
378  $blockformats[] = 'p';
379  }
380  if (in_array('div', $a_html_tags)) {
381  $blockformats[] = 'div';
382  }
383  if (in_array('pre', $a_html_tags)) {
384  $blockformats[] = 'pre';
385  }
386  if (in_array('code', $a_html_tags)) {
387  $blockformats[] = 'code';
388  }
389  if (in_array('h1', $a_html_tags)) {
390  $blockformats[] = 'h1';
391  }
392  if (in_array('h2', $a_html_tags)) {
393  $blockformats[] = 'h2';
394  }
395  if (in_array('h3', $a_html_tags)) {
396  $blockformats[] = 'h3';
397  }
398  if (in_array('h4', $a_html_tags)) {
399  $blockformats[] = 'h4';
400  }
401  if (in_array('h5', $a_html_tags)) {
402  $blockformats[] = 'h5';
403  }
404  if (in_array('h6', $a_html_tags)) {
405  $blockformats[] = 'h6';
406  }
407  if (count($blockformats)) {
408  return implode(',', $blockformats);
409  }
410 
411  return '';
412  }
413 
419  public function _buildAdvancedButtonsFromHTMLTags(int $a_buttons_section, array $a_html_tags): string
420  {
421  $theme_advanced_buttons = [];
422 
423  if ($a_buttons_section === 1) {
424  if (in_array('strong', $a_html_tags)) {
425  $theme_advanced_buttons[] = 'bold';
426  }
427  if (in_array('em', $a_html_tags)) {
428  $theme_advanced_buttons[] = 'italic';
429  }
430  if (in_array('u', $a_html_tags)) {
431  $theme_advanced_buttons[] = 'underline';
432  }
433  if (in_array('strike', $a_html_tags)) {
434  $theme_advanced_buttons[] = 'strikethrough';
435  }
436  if (count($theme_advanced_buttons)) {
437  $theme_advanced_buttons[] = '|';
438  }
439  if (in_array('p', $a_html_tags)) {
440  $theme_advanced_buttons[] = 'alignleft';
441  $theme_advanced_buttons[] = 'aligncenter';
442  $theme_advanced_buttons[] = 'alignright';
443  $theme_advanced_buttons[] = 'alignjustify';
444  $theme_advanced_buttons[] = '|';
445  }
446  if ($this->_buildAdvancedBlockformatsFromHTMLTags($a_html_tags) !== '') {
447  $theme_advanced_buttons[] = 'formatselect';
448  }
449  if (in_array('hr', $a_html_tags)) {
450  $theme_advanced_buttons[] = 'hr';
451  }
452  $theme_advanced_buttons[] = 'removeformat';
453  $theme_advanced_buttons[] = '|';
454  if (in_array('sub', $a_html_tags)) {
455  $theme_advanced_buttons[] = 'subscript';
456  }
457  if (in_array('sup', $a_html_tags)) {
458  $theme_advanced_buttons[] = 'superscript';
459  }
460  if (in_array('font', $a_html_tags)) {
461  $theme_advanced_buttons[] = 'fontselect';
462  $theme_advanced_buttons[] = 'fontsizeselect';
463  }
464  $theme_advanced_buttons[] = 'charmap';
465  if ((in_array('ol', $a_html_tags)) && (in_array('li', $a_html_tags))) {
466  $theme_advanced_buttons[] = 'bullist';
467  }
468  if ((in_array('ul', $a_html_tags)) && (in_array('li', $a_html_tags))) {
469  $theme_advanced_buttons[] = 'numlist';
470  }
471  $theme_advanced_buttons[] = '|';
472  if (in_array('cite', $a_html_tags)) {
473  $theme_advanced_buttons[] = 'blockquote';
474  }
475  if (in_array('abbr', $a_html_tags)) {
476  $theme_advanced_buttons[] = 'abbr';
477  }
478  if (in_array('acronym', $a_html_tags)) {
479  $theme_advanced_buttons[] = 'acronym';
480  }
481  if (in_array('del', $a_html_tags)) {
482  $theme_advanced_buttons[] = 'del';
483  }
484  if (in_array('ins', $a_html_tags)) {
485  $theme_advanced_buttons[] = 'ins';
486  }
487  if (in_array('blockquote', $a_html_tags)) {
488  $theme_advanced_buttons[] = 'indent';
489  $theme_advanced_buttons[] = 'outdent';
490  }
491  if (in_array('img', $a_html_tags)) {
492  //array_push($theme_advanced_buttons, 'advimage');
493  $theme_advanced_buttons[] = 'image';
494  $theme_advanced_buttons[] = 'ibrowser';
495  $theme_advanced_buttons[] = 'ilimgupload';
496  }
497  if (in_array('a', $a_html_tags)) {
498  $theme_advanced_buttons[] = 'link';
499  $theme_advanced_buttons[] = 'unlink';
500  $theme_advanced_buttons[] = 'anchor';
501  }
502  $theme_advanced_buttons[] = '|';
503  $theme_advanced_buttons[] = 'undo';
504  $theme_advanced_buttons[] = 'redo';
505 
506  if (is_array($this->buttons) && count($this->buttons)) {
507  $theme_advanced_buttons[] = '|';
508  foreach ($this->buttons as $button) {
509  $theme_advanced_buttons[] = $button;
510  }
511  }
512 
513  $theme_advanced_buttons[] = 'code';
514  $theme_advanced_buttons[] = 'fullscreen';
515 
516  // Changed in elba2 branch, adopted change for 4.2.x due to manits bug #8147
517  $theme_advanced_buttons[] = 'pasteword';
518  } elseif ($a_buttons_section === 2) {
519  $theme_advanced_buttons[] = 'cut';
520  $theme_advanced_buttons[] = 'copy';
521  $theme_advanced_buttons[] = 'paste';
522  $theme_advanced_buttons[] = 'pastetext';
523  // Changed in elba2 branch, adopted change for 4.2.x due to manits bug #8147
524  //array_push($theme_advanced_buttons, 'pasteword');
525  }
526 
527  $remove_buttons = $this->getDisabledButtons();
528  if (is_array($remove_buttons)) {
529  foreach ($remove_buttons as $buttontext) {
530  if (($res = array_search($buttontext, $theme_advanced_buttons, true)) !== false) {
531  unset($theme_advanced_buttons[$res]);
532  }
533  }
534  }
535 
536  return implode(' ', $theme_advanced_buttons);
537  }
538 
543  protected function _buildButtonsFromHTMLTags(array $a_html_tags): string
544  {
545  $theme_advanced_buttons = [];
546  if (in_array('strong', $a_html_tags)) {
547  $theme_advanced_buttons[] = 'bold';
548  }
549  if (in_array('em', $a_html_tags)) {
550  $theme_advanced_buttons[] = 'italic';
551  }
552  if (in_array('u', $a_html_tags)) {
553  $theme_advanced_buttons[] = 'underline';
554  }
555  if (in_array('strike', $a_html_tags)) {
556  $theme_advanced_buttons[] = 'strikethrough';
557  }
558  if (in_array('p', $a_html_tags)) {
559  $theme_advanced_buttons[] = 'alignleft';
560  $theme_advanced_buttons[] = 'aligncenter';
561  $theme_advanced_buttons[] = 'alignright';
562  $theme_advanced_buttons[] = 'alignjustify';
563  }
564  if ($this->_buildAdvancedBlockformatsFromHTMLTags($a_html_tags) !== '') {
565  $theme_advanced_buttons[] = 'formatselect';
566  }
567  if (in_array('hr', $a_html_tags)) {
568  $theme_advanced_buttons[] = 'hr';
569  }
570  if (in_array('sub', $a_html_tags)) {
571  $theme_advanced_buttons[] = 'subscript';
572  }
573  if (in_array('sup', $a_html_tags)) {
574  $theme_advanced_buttons[] = 'superscript';
575  }
576  if (in_array('font', $a_html_tags)) {
577  $theme_advanced_buttons[] = 'fontselect';
578  $theme_advanced_buttons[] = 'fontsizeselect';
579  }
580  if ((in_array('ol', $a_html_tags)) && (in_array('li', $a_html_tags))) {
581  $theme_advanced_buttons[] = 'bullist';
582  }
583  if ((in_array('ul', $a_html_tags)) && (in_array('li', $a_html_tags))) {
584  $theme_advanced_buttons[] = 'numlist';
585  }
586  if (in_array('cite', $a_html_tags)) {
587  $theme_advanced_buttons[] = 'blockquote';
588  }
589  if (in_array('abbr', $a_html_tags)) {
590  $theme_advanced_buttons[] = 'abbr';
591  }
592  if (in_array('acronym', $a_html_tags)) {
593  $theme_advanced_buttons[] = 'acronym';
594  }
595  if (in_array('del', $a_html_tags)) {
596  $theme_advanced_buttons[] = 'del';
597  }
598  if (in_array('ins', $a_html_tags)) {
599  $theme_advanced_buttons[] = 'ins';
600  }
601  if (in_array('blockquote', $a_html_tags)) {
602  $theme_advanced_buttons[] = 'indent';
603  $theme_advanced_buttons[] = 'outdent';
604  }
605  if (in_array('img', $a_html_tags)) {
606  //array_push($theme_advanced_buttons, 'advimage');
607  $theme_advanced_buttons[] = 'image';
608  $theme_advanced_buttons[] = 'ibrowser';
609  $theme_advanced_buttons[] = 'ilimgupload';
610  }
611  if (in_array('a', $a_html_tags)) {
612  $theme_advanced_buttons[] = 'link';
613  $theme_advanced_buttons[] = 'unlink';
614  $theme_advanced_buttons[] = 'anchor';
615  }
616 
617  $remove_buttons = $this->getDisabledButtons();
618  if (is_array($remove_buttons)) {
619  foreach ($remove_buttons as $buttontext) {
620  if (($res = array_search($buttontext, $theme_advanced_buttons, true)) !== false) {
621  unset($theme_advanced_buttons[$res]);
622  }
623  }
624  }
625 
626  return implode(' ', $theme_advanced_buttons);
627  }
628 
633  public function _buildAdvancedTableButtonsFromHTMLTags(array $a_html_tags): string
634  {
635  $theme_advanced_buttons = [];
636  if (
637  in_array('table', $a_html_tags, true) &&
638  in_array('tr', $a_html_tags, true) &&
639  in_array('td', $a_html_tags, true)
640  ) {
641  $theme_advanced_buttons[] = 'table';
642  }
643 
644  $remove_buttons = $this->getDisabledButtons();
645  if (is_array($remove_buttons)) {
646  foreach ($remove_buttons as $buttontext) {
647  if (($res = array_search($buttontext, $theme_advanced_buttons, true)) !== false) {
648  unset($theme_advanced_buttons[$res]);
649  }
650  }
651  }
652 
653  return implode(',', $theme_advanced_buttons);
654  }
655 
656  protected function _getEditorLanguage(): string
657  {
658  $lang = $this->user->getLanguage();
659  $langtiny = $lang;
660  //Language files in tinymce and ILIAS have different nomenclatures: adjust the differences
661  switch ($lang) {
662  case 'hu':
663  $langtiny = 'hu_HU';
664  break;
665 
666  case 'zh':
667  $langtiny = 'zh_CN';
668  break;
669 
670  case 'he':
671  $langtiny = 'he_IL';
672  break;
673 
674  default:
675  //do nothing
676  }
677 
678  if (is_file("./node_modules/tinymce/langs/$langtiny.js")) {
679  return $langtiny;
680  }
681 
682  return 'en';
683  }
684 
689  public function _getValidElementsFromHTMLTags(array $a_html_tags): string
690  {
691  $valid_elements = [];
692 
693  foreach ($a_html_tags as $tag) {
694  switch ($tag) {
695  case 'a':
696  $valid_elements[] = 'a[accesskey|charset|class|coords|dir<ltr?rtl|href|hreflang|id|lang|name'
697  . '|onblur|onclick|ondblclick|onfocus|onkeydown|onkeypress|onkeyup'
698  . '|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|rel|rev'
699  . '|shape<circle?default?poly?rect|style|tabindex|title|target|type]';
700  break;
701  case 'abbr':
702  $valid_elements[] = 'abbr[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress'
703  . '|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style'
704  . '|title]';
705  break;
706  case 'acronym':
707  $valid_elements[] = 'acronym[class|dir<ltr?rtl|id|id|lang|onclick|ondblclick|onkeydown|onkeypress'
708  . '|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style'
709  . '|title]';
710  break;
711  case 'address':
712  $valid_elements[] = 'address[class|align|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown'
713  . '|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover'
714  . '|onmouseup|style|title]';
715  break;
716  case 'applet':
717  $valid_elements[] = 'applet[align<bottom?left?middle?right?top|alt|archive|class|code|codebase'
718  . '|height|hspace|id|name|object|style|title|vspace|width]';
719  break;
720  case 'area':
721  $valid_elements[] = 'area[accesskey|alt|class|coords|dir<ltr?rtl|href|id|lang|nohref<nohref'
722  . '|onblur|onclick|ondblclick|onfocus|onkeydown|onkeypress|onkeyup'
723  . '|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup'
724  . '|shape<circle?default?poly?rect|style|tabindex|title|target]';
725  break;
726  case 'base':
727  $valid_elements[] = 'base[href|target]';
728  break;
729  case 'basefont':
730  $valid_elements[] = 'basefont[color|face|id|size]';
731  break;
732  case 'bdo':
733  $valid_elements[] = 'bdo[class|dir<ltr?rtl|id|lang|style|title]';
734  break;
735  case 'big':
736  $valid_elements[] = 'big[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress'
737  . '|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style'
738  . '|title]';
739  break;
740  case 'blockquote':
741  $valid_elements[] = 'blockquote[dir|style|cite|class|dir<ltr?rtl|id|lang|onclick|ondblclick'
742  . '|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout'
743  . '|onmouseover|onmouseup|style|title]';
744  break;
745  case 'body':
746  $valid_elements[] = 'body[alink|background|bgcolor|class|dir<ltr?rtl|id|lang|link|onclick'
747  . '|ondblclick|onkeydown|onkeypress|onkeyup|onload|onmousedown|onmousemove'
748  . '|onmouseout|onmouseover|onmouseup|onunload|style|title|text|vlink]';
749  break;
750  case 'br':
751  $valid_elements[] = 'br[class|clear<all?left?none?right|id|style|title]';
752  break;
753  case 'button':
754  $valid_elements[] = 'button[accesskey|class|dir<ltr?rtl|disabled<disabled|id|lang|name|onblur'
755  . '|onclick|ondblclick|onfocus|onkeydown|onkeypress|onkeyup|onmousedown'
756  . '|onmousemove|onmouseout|onmouseover|onmouseup|style|tabindex|title|type'
757  . '|value]';
758  break;
759  case 'caption':
760  $valid_elements[] = 'caption[align<bottom?left?right?top|class|dir<ltr?rtl|id|lang|onclick'
761  . '|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove'
762  . '|onmouseout|onmouseover|onmouseup|style|title]';
763  break;
764  case 'center':
765  $valid_elements[] = 'center[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress'
766  . '|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style'
767  . '|title]';
768  break;
769  case 'cite':
770  $valid_elements[] = 'cite[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress'
771  . '|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style'
772  . '|title]';
773  break;
774  case 'code':
775  $valid_elements[] = 'code[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress'
776  . '|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style'
777  . '|title]';
778  break;
779  case 'col':
780  $valid_elements[] = 'col[align<center?char?justify?left?right|char|charoff|class|dir<ltr?rtl|id'
781  . '|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown'
782  . '|onmousemove|onmouseout|onmouseover|onmouseup|span|style|title'
783  . '|valign<baseline?bottom?middle?top|width]';
784  break;
785  case 'colgroup':
786  $valid_elements[] = 'colgroup[align<center?char?justify?left?right|char|charoff|class|dir<ltr?rtl'
787  . '|id|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown'
788  . '|onmousemove|onmouseout|onmouseover|onmouseup|span|style|title'
789  . '|valign<baseline?bottom?middle?top|width]';
790  break;
791  case 'dd':
792  $valid_elements[] = 'dd[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup'
793  . '|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style|title]';
794  break;
795  case 'del':
796  $valid_elements[] = 'del[cite|class|datetime|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown'
797  . '|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover'
798  . '|onmouseup|style|title]';
799  break;
800  case 'dfn':
801  $valid_elements[] = 'dfn[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress'
802  . '|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style'
803  . '|title]';
804  break;
805  case 'dir':
806  $valid_elements[] = 'dir[class|compact<compact|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown'
807  . '|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover'
808  . '|onmouseup|style|title]';
809  break;
810  case 'div':
811  $valid_elements[] = 'div[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick'
812  . '|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove'
813  . '|onmouseout|onmouseover|onmouseup|style|title]';
814  break;
815  case 'dl':
816  $valid_elements[] = 'dl[class|compact<compact|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown'
817  . '|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover'
818  . '|onmouseup|style|title]';
819  break;
820  case 'dt':
821  $valid_elements[] = 'dt[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup'
822  . '|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style|title]';
823  break;
824  case 'em':
825  $valid_elements[] = 'em/i[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress'
826  . '|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style'
827  . '|title]';
828  break;
829  case 'fieldset':
830  $valid_elements[] = 'fieldset[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress'
831  . '|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style'
832  . '|title]';
833  break;
834  case 'font':
835  $valid_elements[] = 'font[class|color|dir<ltr?rtl|face|id|lang|size|style|title]';
836  break;
837  case 'form':
838  $valid_elements[] = 'form[accept|accept-charset|action|class|dir<ltr?rtl|enctype|id|lang'
839  . '|method<get?post|name|onclick|ondblclick|onkeydown|onkeypress|onkeyup'
840  . '|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|onreset|onsubmit'
841  . '|style|title|target]';
842  break;
843  case 'frame':
844  $valid_elements[] = 'frame[class|frameborder|id|longdesc|marginheight|marginwidth|name'
845  . '|noresize<noresize|scrolling<auto?no?yes|src|style|title]';
846  break;
847  case 'frameset':
848  $valid_elements[] = 'frameset[class|cols|id|onload|onunload|rows|style|title]';
849  break;
850  case 'h1':
851  $valid_elements[] = 'h1[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick'
852  . '|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove'
853  . '|onmouseout|onmouseover|onmouseup|style|title]';
854  break;
855  case 'h2':
856  $valid_elements[] = 'h2[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick'
857  . '|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove'
858  . '|onmouseout|onmouseover|onmouseup|style|title]';
859  break;
860  case 'h3':
861  $valid_elements[] = 'h3[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick'
862  . '|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove'
863  . '|onmouseout|onmouseover|onmouseup|style|title]';
864  break;
865  case 'h4':
866  $valid_elements[] = 'h4[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick'
867  . '|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove'
868  . '|onmouseout|onmouseover|onmouseup|style|title]';
869  break;
870  case 'h5':
871  $valid_elements[] = 'h5[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick'
872  . '|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove'
873  . '|onmouseout|onmouseover|onmouseup|style|title]';
874  break;
875  case 'h6':
876  $valid_elements[] = 'h6[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick'
877  . '|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove'
878  . '|onmouseout|onmouseover|onmouseup|style|title]';
879  break;
880  case 'head':
881  $valid_elements[] = 'head[dir<ltr?rtl|lang|profile]';
882  break;
883  case 'hr':
884  $valid_elements[] = 'hr[align<center?left?right|class|dir<ltr?rtl|id|lang|noshade<noshade|onclick'
885  . '|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove'
886  . '|onmouseout|onmouseover|onmouseup|size|style|title|width]';
887  break;
888  case 'html':
889  $valid_elements[] = 'html[dir<ltr?rtl|lang|version]';
890  break;
891  case 'iframe':
892  $valid_elements[] = 'iframe[align<bottom?left?middle?right?top|class|frameborder|height|id'
893  . '|longdesc|marginheight|marginwidth|name|scrolling<auto?no?yes|src|style'
894  . '|title|width]';
895  break;
896  case 'img':
897  $valid_elements[] = 'img[align<bottom?left?middle?right?top|alt|border|class|dir<ltr?rtl|height'
898  . '|hspace|id|ismap<ismap|lang|longdesc|name|onclick|ondblclick|onkeydown'
899  . '|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover'
900  . '|onmouseup|src|style|title|usemap|vspace|width]';
901  break;
902  case 'input':
903  $valid_elements[] = 'input[accept|accesskey|align<bottom?left?middle?right?top|alt'
904  . '|checked<checked|class|dir<ltr?rtl|disabled<disabled|id|ismap<ismap|lang'
905  . '|maxlength|name|onblur|onclick|ondblclick|onfocus|onkeydown|onkeypress'
906  . '|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|onselect'
907  . '|readonly<readonly|size|src|style|tabindex|title'
908  . '|type<button?checkbox?file?hidden?image?password?radio?reset?submit?text'
909  . '|usemap|value]';
910  break;
911  case 'ins':
912  $valid_elements[] = 'ins[cite|class|datetime|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown'
913  . '|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover'
914  . '|onmouseup|style|title]';
915  break;
916  case 'isindex':
917  $valid_elements[] = 'isindex[class|dir<ltr?rtl|id|lang|prompt|style|title]';
918  break;
919  case 'kbd':
920  $valid_elements[] = 'kbd[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress'
921  . '|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style'
922  . '|title]';
923  break;
924  case 'label':
925  $valid_elements[] = 'label[accesskey|class|dir<ltr?rtl|for|id|lang|onblur|onclick|ondblclick'
926  . '|onfocus|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout'
927  . '|onmouseover|onmouseup|style|title]';
928  break;
929  case 'legend':
930  $valid_elements[] = 'legend[align<bottom?left?right?top|accesskey|class|dir<ltr?rtl|id|lang'
931  . '|onclick|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove'
932  . '|onmouseout|onmouseover|onmouseup|style|title]';
933  break;
934  case 'li':
935  $valid_elements[] = 'li[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup'
936  . '|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style|title|type'
937  . '|value]';
938  break;
939  case 'link':
940  $valid_elements[] = 'link[charset|class|dir<ltr?rtl|href|hreflang|id|lang|media|onclick'
941  . '|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove'
942  . '|onmouseout|onmouseover|onmouseup|rel|rev|style|title|target|type]';
943  break;
944  case 'map':
945  $valid_elements[] = 'map[class|dir<ltr?rtl|id|lang|name|onclick|ondblclick|onkeydown|onkeypress'
946  . '|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style'
947  . '|title]';
948  break;
949  case 'menu':
950  $valid_elements[] = 'menu[class|compact<compact|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown'
951  . '|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover'
952  . '|onmouseup|style|title]';
953  break;
954  case 'meta':
955  $valid_elements[] = 'meta[content|dir<ltr?rtl|http-equiv|lang|name|scheme]';
956  break;
957  case 'noframes':
958  $valid_elements[] = 'noframes[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress'
959  . '|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style'
960  . '|title]';
961  break;
962  case 'noscript':
963  $valid_elements[] = 'noscript[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress'
964  . '|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style'
965  . '|title]';
966  break;
967  case 'object':
968  $valid_elements[] = 'object[align<bottom?left?middle?right?top|archive|border|class|classid'
969  . '|codebase|codetype|data|declare|dir<ltr?rtl|height|hspace|id|lang|name'
970  . '|onclick|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove'
971  . '|onmouseout|onmouseover|onmouseup|standby|style|tabindex|title|type|usemap'
972  . '|vspace|width]';
973  break;
974  case 'ol':
975  $valid_elements[] = 'ol[class|compact<compact|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown'
976  . '|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover'
977  . '|onmouseup|start|style|title|type]';
978  break;
979  case 'optgroup':
980  $valid_elements[] = 'optgroup[class|dir<ltr?rtl|disabled<disabled|id|label|lang|onclick'
981  . '|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove'
982  . '|onmouseout|onmouseover|onmouseup|style|title]';
983  break;
984  case 'option':
985  $valid_elements[] = 'option[class|dir<ltr?rtl|disabled<disabled|id|label|lang|onclick|ondblclick'
986  . '|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout'
987  . '|onmouseover|onmouseup|selected<selected|style|title|value]';
988  break;
989  case 'p':
990  $valid_elements[] = 'p[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick'
991  . '|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove'
992  . '|onmouseout|onmouseover|onmouseup|style|title]';
993  break;
994  case 'param':
995  $valid_elements[] = 'param[id|name|type|value|valuetype<DATA?OBJECT?REF]';
996  break;
997  case 'pre':
998  case 'listing':
999  case 'plaintext':
1000  case 'xmp':
1001  $valid_elements[] = 'pre/listing/plaintext/xmp[align|class|dir<ltr?rtl|id|lang|onclick|ondblclick'
1002  . '|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout'
1003  . '|onmouseover|onmouseup|style|title|width]';
1004  break;
1005  case 'q':
1006  $valid_elements[] = 'q[cite|class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress'
1007  . '|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style'
1008  . '|title]';
1009  break;
1010  case 's':
1011  $valid_elements[] = 's[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup'
1012  . '|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style|title]';
1013  break;
1014  case 'samp':
1015  $valid_elements[] = 'samp[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress'
1016  . '|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style'
1017  . '|title]';
1018  break;
1019  case 'script':
1020  $valid_elements[] = 'script[charset|defer|language|src|type]';
1021  break;
1022  case 'select':
1023  $valid_elements[] = 'select[class|dir<ltr?rtl|disabled<disabled|id|lang|multiple<multiple|name'
1024  . '|onblur|onclick|ondblclick|onfocus|onkeydown|onkeypress|onkeyup'
1025  . '|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|size|style'
1026  . '|tabindex|title]';
1027  break;
1028  case 'small':
1029  $valid_elements[] = 'small[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress'
1030  . '|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style'
1031  . '|title]';
1032  break;
1033  case 'span':
1034  $valid_elements[] = 'span[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown'
1035  . '|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover'
1036  . '|onmouseup|style|title]';
1037  break;
1038  case 'strike':
1039  $valid_elements[] = 'strike[class|class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown'
1040  . '|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover'
1041  . '|onmouseup|style|title]';
1042  break;
1043  case 'strong':
1044  $valid_elements[] = 'strong/b[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress'
1045  . '|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style'
1046  . '|title]';
1047  break;
1048  case 'style':
1049  $valid_elements[] = 'style[dir<ltr?rtl|lang|media|title|type]';
1050  break;
1051  case 'sub':
1052  $valid_elements[] = 'sub[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress'
1053  . '|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style'
1054  . '|title]';
1055  break;
1056  case 'sup':
1057  $valid_elements[] = 'sup[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress'
1058  . '|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style'
1059  . '|title]';
1060  break;
1061  case 'table':
1062  $valid_elements[] = 'table[align<center?left?right|bgcolor|border|cellpadding|cellspacing|class'
1063  . '|dir<ltr?rtl|frame|height|id|lang|onclick|ondblclick|onkeydown|onkeypress'
1064  . '|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|rules'
1065  . '|style|summary|title|width]';
1066  break;
1067  case 'tbody':
1068  $valid_elements[] = 'tbody[align<center?char?justify?left?right|char|class|charoff|dir<ltr?rtl|id'
1069  . '|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown'
1070  . '|onmousemove|onmouseout|onmouseover|onmouseup|style|title'
1071  . '|valign<baseline?bottom?middle?top]';
1072  break;
1073  case 'td':
1074  $valid_elements[] = 'td[abbr|align<center?char?justify?left?right|axis|bgcolor|char|charoff|class'
1075  . '|colspan|dir<ltr?rtl|headers|height|id|lang|nowrap<nowrap|onclick'
1076  . '|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove'
1077  . '|onmouseout|onmouseover|onmouseup|rowspan|scope<col?colgroup?row?rowgroup'
1078  . '|style|title|valign<baseline?bottom?middle?top|width]';
1079  break;
1080  case 'textarea':
1081  $valid_elements[] = 'textarea[accesskey|class|cols|dir<ltr?rtl|disabled<disabled|id|lang|name'
1082  . '|onblur|onclick|ondblclick|onfocus|onkeydown|onkeypress|onkeyup'
1083  . '|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|onselect'
1084  . '|readonly<readonly|rows|style|tabindex|title]';
1085  break;
1086  case 'tfoot':
1087  $valid_elements[] = 'tfoot[align<center?char?justify?left?right|char|charoff|class|dir<ltr?rtl|id'
1088  . '|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown'
1089  . '|onmousemove|onmouseout|onmouseover|onmouseup|style|title'
1090  . '|valign<baseline?bottom?middle?top]';
1091  break;
1092  case 'th':
1093  $valid_elements[] = 'th[abbr|align<center?char?justify?left?right|axis|bgcolor|char|charoff|class'
1094  . '|colspan|dir<ltr?rtl|headers|height|id|lang|nowrap<nowrap|onclick'
1095  . '|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove'
1096  . '|onmouseout|onmouseover|onmouseup|rowspan|scope<col?colgroup?row?rowgroup'
1097  . '|style|title|valign<baseline?bottom?middle?top|width]';
1098  break;
1099  case 'thead':
1100  $valid_elements[] = 'thead[align<center?char?justify?left?right|char|charoff|class|dir<ltr?rtl|id'
1101  . '|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown'
1102  . '|onmousemove|onmouseout|onmouseover|onmouseup|style|title'
1103  . '|valign<baseline?bottom?middle?top]';
1104  break;
1105  case 'title':
1106  $valid_elements[] = 'title[dir<ltr?rtl|lang]';
1107  break;
1108  case 'tr':
1109  $valid_elements[] = 'tr[abbr|align<center?char?justify?left?right|bgcolor|char|charoff|class'
1110  . '|rowspan|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress'
1111  . '|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style'
1112  . '|title|valign<baseline?bottom?middle?top]';
1113  break;
1114  case 'tt':
1115  $valid_elements[] = 'tt[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup'
1116  . '|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style|title]';
1117  break;
1118  case 'u':
1119  $valid_elements[] = 'u[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup'
1120  . '|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style|title]';
1121 
1122  // Bugfix #5945: Necessary because TinyMCE does not use the 'u'
1123  // html element but <span style='text-decoration: underline'>E</span>
1124  $valid_elements[] = 'span[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown'
1125  . '|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover'
1126  . '|onmouseup|style|title]';
1127  break;
1128  case 'ul':
1129  $valid_elements[] = 'ul[class|compact<compact|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown'
1130  . '|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover'
1131  . '|onmouseup|style|title|type]';
1132  break;
1133  case 'var':
1134  $valid_elements[] = 'var[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress'
1135  . '|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style'
1136  . '|title]';
1137  break;
1138  }
1139  }
1140 
1141  return implode(',', $valid_elements);
1142  }
1143 
1149  public static function removeRedundantSeparators(string $a_string): string
1150  {
1151  while (strpos($a_string, '| |') !== false) {
1152  $a_string = str_replace('| |', '|', $a_string);
1153  }
1154 
1155  while (strpos($a_string, ',,') !== false) {
1156  $a_string = str_replace(',,', ',', $a_string);
1157  }
1158  while (strpos($a_string, 'separator') !== false) {
1159  $a_string = str_replace('separator', '|', $a_string);
1160  }
1161  while (strpos($a_string, ',') !== false) {
1162  $a_string = str_replace(',', ' ', $a_string);
1163  }
1164 
1165  if (isset($a_string[0]) && $a_string[0] === ',') {
1166  $a_string = (string) substr($a_string, 1);
1167  }
1168 
1169  if ($a_string !== '' && $a_string[strlen($a_string) - 1] === ',') {
1170  $a_string = substr($a_string, 0, -1);
1171  }
1172  //image uploader button keeps appearing twice: remove the duplicates
1173  if ($a_string !== '' && substr_count($a_string, 'ilimgupload') > 1) {
1174  $arr = explode('ilimgupload', $a_string, 2);
1175  $a_string = $arr[0];
1176  if (count($arr) > 1) {
1177  $a_string .= ' ilimgupload ' . str_replace('ilimgupload', '', $arr[1]);
1178  }
1179  }
1180 
1181 
1182  return $a_string;
1183  }
1184 
1185  public function setRemoveImgContextMenuItem(bool $remove_img_context_menu_item): void
1186  {
1187  $this->remove_img_context_menu_item = $remove_img_context_menu_item;
1188  }
1189 
1190  public function getRemoveImgContextMenuItem(): bool
1191  {
1192  return $this->remove_img_context_menu_item;
1193  }
1194 }
$res
$res
Definition: ltiservices.php:69
ilTinyMCE\removeAllContextMenuItems
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Definition: class.ilTinyMCE.php:264
ilTinyMCE\_buildAdvancedButtonsFromHTMLTags
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Definition: class.ilTinyMCE.php:419
ilTinyMCE\handleImagePluginsBeforeRendering
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Definition: class.ilTinyMCE.php:108
ilTinyMCE\setStyleSelect
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Definition: class.ilTinyMCE.php:359
ilLanguage\txt
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gets the text for a given topic if the topic is not in the list, the topic itself with "-" will be re...
Definition: class.ilLanguage.php:172
ilObjAdvancedEditing\_getRichTextEditor
static _getRichTextEditor()
Returns the identifier for the Rich Text Editor.
Definition: class.ilObjAdvancedEditing.php:133
ilTinyMCE\addUserTextEditor
addUserTextEditor(string $editor_selector)
Definition: class.ilTinyMCE.php:315
ilTinyMCE\$remove_img_context_menu_item
bool $remove_img_context_menu_item
Definition: class.ilTinyMCE.php:37
ilGlobalTemplateInterface\touchBlock
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overwrites ITX::touchBlock.
$tinyMCE_valid_imgs
$tinyMCE_valid_imgs
Definition: imgupload.php:57
ilObjAdvancedEditing\_setRichTextEditorUserState
static _setRichTextEditorUserState(int $a_state)
Sets the state of the rich text editor visibility for the current user.
Definition: class.ilObjAdvancedEditing.php:334
ilRTE\disableButtons
disableButtons($a_button)
Sets buttons which should be disabled in the RTE.
Definition: class.ilRTE.php:264
ilGlobalTemplateInterface\get
get(string $part=self::DEFAULT_BLOCK)
Renders the given block and returns the html string.
ilRTE\$lng
ilLanguage $lng
Definition: class.ilRTE.php:36
ilTinyMCE\_buildButtonsFromHTMLTags
_buildButtonsFromHTMLTags(array $a_html_tags)
Definition: class.ilTinyMCE.php:543
ilGlobalTemplateInterface\setVariable
setVariable(string $variable, $value='')
Sets the given variable to the given value.
ilUtil\getStyleSheetLocation
static getStyleSheetLocation(string $mode="output", string $a_css_name="", string $a_css_location="")
get full style sheet file name (path inclusive) of current user
Definition: class.ilUtil.php:148
ilRTE\getInitialWidth
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Definition: class.ilRTE.php:289
ilTinyMCE\addPlugin
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Definition: class.ilTinyMCE.php:139
ilUtil\getNewContentStyleSheetLocation
static getNewContentStyleSheetLocation(string $mode="output")
get full style sheet file name (path inclusive) of current user
Definition: class.ilUtil.php:191
$DIC
global $DIC
Definition: feed.php:28
ilTinyMCE\$renderedToGlobalTemplate
static bool $renderedToGlobalTemplate
Definition: class.ilTinyMCE.php:32
ilTinyMCE\handleIliasImageManagerAdded
handleIliasImageManagerAdded()
Definition: class.ilTinyMCE.php:123
ilTemplate\touchBlock
touchBlock(string $block)
Definition: class.ilTemplate.php:186
ilRTE
Rich Text Editor base class This class provides access methods to a Rich Text Editor (RTE) integrated...
Definition: class.ilRTE.php:29
ilTinyMCE
This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Le...
Definition: class.ilTinyMCE.php:30
ilTinyMCE\setRemoveImgContextMenuItem
setRemoveImgContextMenuItem(bool $remove_img_context_menu_item)
Definition: class.ilTinyMCE.php:1185
ilTinyMCE\removeRedundantSeparators
static removeRedundantSeparators(string $a_string)
Removes redundant seperators and removes ,, and , at the first or last position of the string...
Definition: class.ilTinyMCE.php:1149
ilTinyMCE\_buildAdvancedTableButtonsFromHTMLTags
_buildAdvancedTableButtonsFromHTMLTags(array $a_html_tags)
Definition: class.ilTinyMCE.php:633
ilTinyMCE\addContextmenuItem
addContextmenuItem(string $item='')
Definition: class.ilTinyMCE.php:257
CLIENT_ID
const CLIENT_ID
Definition: constants.php:41
ilTemplate\blockExists
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Definition: class.ilTemplate.php:121
ilTinyMCE\addCustomRTESupport
addCustomRTESupport(int $obj_id, string $obj_type, array $tags)
Definition: class.ilTinyMCE.php:269
ilTinyMCE\addRTESupport
addRTESupport(int $obj_id, string $obj_type, string $a_module='', bool $allowFormElements=false, ?string $cfg_template=null, bool $hide_switch=false)
Definition: class.ilTinyMCE.php:157
ilFileUtils\getFileSizeInfo
static getFileSizeInfo()
Definition: class.ilFileUtils.php:799
ilRTE\getDisabledButtons
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Returns the disabled RTE buttons.
Definition: class.ilRTE.php:280
ilGlobalTemplateInterface\blockExists
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check if block exists in actual template
ilGlobalTemplateInterface\setCurrentBlock
setCurrentBlock(string $part=self::DEFAULT_BLOCK)
Sets the template to the given block.
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Definition: xapiexit.php:26
ilTinyMCE\removePlugin
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Definition: class.ilTinyMCE.php:148
ilTinyMCE\addInternalTinyMCEImageManager
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Definition: class.ilTinyMCE.php:82
ilRTE\getRTERootBlockElement
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Definition: class.ilRTE.php:254
ILIAS\GlobalScreen\Provider\__construct
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Definition: PluginProviderHelper.php:37
ilObjAdvancedEditing\_getRichTextEditorUserState
static _getRichTextEditorUserState()
Gets the state of the rich text editor visibility for the current user.
Definition: class.ilObjAdvancedEditing.php:346
ilTinyMCE\getButtonsForUserTextEditor
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Definition: class.ilTinyMCE.php:347
ilTinyMCE\handleImgContextMenuItem
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Definition: class.ilTinyMCE.php:248
ilRTE\addButton
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Definition: class.ilRTE.php:76
ilTinyMCE\$contextMenuItems
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Definition: class.ilTinyMCE.php:41
ilRTE\$tpl
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Definition: class.ilRTE.php:33
ilTinyMCE\$version
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Definition: class.ilTinyMCE.php:35
ilTinyMCE\getRemoveImgContextMenuItem
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Definition: class.ilTinyMCE.php:1190
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Definition: class.ilTinyMCE.php:128
ilGlobalTemplateInterface\parseCurrentBlock
parseCurrentBlock(string $block_name=self::DEFAULT_BLOCK)
Parses the given block.
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$_COOKIE[session_name()]
Definition: xapitoken.php:54
ilTinyMCE\_buildAdvancedBlockformatsFromHTMLTags
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Definition: class.ilTinyMCE.php:373
ilTinyMCE\_getValidElementsFromHTMLTags
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Definition: class.ilTinyMCE.php:689
ilObjAdvancedEditing\_getUsedHTMLTags
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Returns an array of all allowed HTML tags for text editing.
Definition: class.ilObjAdvancedEditing.php:42
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Definition: class.ilRTE.php:48