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Ticket #41319: class-wp-editor.php

File class-wp-editor.php, 60.7 KB (added by upadalavipul, 9 years ago)

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1	<?php
2	/**
3	* Facilitates adding of the WordPress editor as used on the Write and Edit screens.
4	*
5	* @package WordPress
6	* @since 3.3.0
7	*
8	* Private, not included by default. See wp_editor() in wp-includes/general-template.php.
9	*/
10
11	final class _WP_Editors {
12	public static $mce_locale;
13
14	private static $mce_settings = array();
15	private static $qt_settings = array();
16	private static $plugins = array();
17	private static $qt_buttons = array();
18	private static $ext_plugins;
19	private static $baseurl;
20	private static $first_init;
21	private static $this_tinymce = false;
22	private static $this_quicktags = false;
23	private static $has_tinymce = false;
24	private static $has_quicktags = false;
25	private static $has_medialib = false;
26	private static $editor_buttons_css = true;
27	private static $drag_drop_upload = false;
28	private static $old_dfw_compat = false;
29	private static $translation;
30	private static $tinymce_scripts_printed = false;
31	private static $link_dialog_printed = false;
32
33	private function __construct() {}
34
35	/**
36	* Parse default arguments for the editor instance.
37	*
38	* @static
39	* @param string $editor_id ID for the current editor instance.
40	* @param array $settings {
41	* Array of editor arguments.
42	*
43	* @type bool $wpautop Whether to use wpautop(). Default true.
44	* @type bool $media_buttons Whether to show the Add Media/other media buttons.
45	* @type string $default_editor When both TinyMCE and Quicktags are used, set which
46	* editor is shown on page load. Default empty.
47	* @type bool $drag_drop_upload Whether to enable drag & drop on the editor uploading. Default false.
48	* Requires the media modal.
49	* @type string $textarea_name Give the textarea a unique name here. Square brackets
50	* can be used here. Default $editor_id.
51	* @type int $textarea_rows Number rows in the editor textarea. Default 20.
52	* @type string\|int $tabindex Tabindex value to use. Default empty.
53	* @type string $tabfocus_elements The previous and next element ID to move the focus to
54	* when pressing the Tab key in TinyMCE. Default ':prev,:next'.
55	* @type string $editor_css Intended for extra styles for both Visual and Text editors.
56	* Should include `<style>` tags, and can use "scoped". Default empty.
57	* @type string $editor_class Extra classes to add to the editor textarea element. Default empty.
58	* @type bool $teeny Whether to output the minimal editor config. Examples include
59	* Press This and the Comment editor. Default false.
60	* @type bool $dfw Deprecated in 4.1. Since 4.3 used only to enqueue wp-fullscreen-stub.js
61	* for backward compatibility.
62	* @type bool\|array $tinymce Whether to load TinyMCE. Can be used to pass settings directly to
63	* TinyMCE using an array. Default true.
64	* @type bool\|array $quicktags Whether to load Quicktags. Can be used to pass settings directly to
65	* Quicktags using an array. Default true.
66	* }
67	* @return array Parsed arguments array.
68	*/
69	public static function parse_settings( $editor_id, $settings ) {
70
71	/**
72	* Filters the wp_editor() settings.
73	*
74	* @since 4.0.0
75	*
76	* @see _WP_Editors()::parse_settings()
77	*
78	* @param array $settings Array of editor arguments.
79	* @param string $editor_id ID for the current editor instance.
80	*/
81	$settings = apply_filters( 'wp_editor_settings', $settings, $editor_id );
82
83	$set = wp_parse_args( $settings, array(
84	'wpautop' => true,
85	'media_buttons' => true,
86	'default_editor' => '',
87	'drag_drop_upload' => false,
88	'textarea_name' => $editor_id,
89	'textarea_rows' => 20,
90	'tabindex' => '',
91	'tabfocus_elements' => ':prev,:next',
92	'editor_css' => '',
93	'editor_class' => '',
94	'teeny' => false,
95	'dfw' => false,
96	'_content_editor_dfw' => false,
97	'tinymce' => true,
98	'quicktags' => true
99	) );
100
101	self::$this_tinymce = ( $set['tinymce'] && user_can_richedit() );
102
103	if ( self::$this_tinymce ) {
104	if ( false !== strpos( $editor_id, '[' ) ) {
105	self::$this_tinymce = false;
106	_deprecated_argument( 'wp_editor()', '3.9.0', 'TinyMCE editor IDs cannot have brackets.' );
107	}
108	}
109
110	self::$this_quicktags = (bool) $set['quicktags'];
111
112	if ( self::$this_tinymce )
113	self::$has_tinymce = true;
114
115	if ( self::$this_quicktags )
116	self::$has_quicktags = true;
117
118	if ( $set['dfw'] ) {
119	self::$old_dfw_compat = true;
120	}
121
122	if ( empty( $set['editor_height'] ) )
123	return $set;
124
125	if ( 'content' === $editor_id && empty( $set['tinymce']['wp_autoresize_on'] ) ) {
126	// A cookie (set when a user resizes the editor) overrides the height.
127	$cookie = (int) get_user_setting( 'ed_size' );
128
129	if ( $cookie )
130	$set['editor_height'] = $cookie;
131	}
132
133	if ( $set['editor_height'] < 50 )
134	$set['editor_height'] = 50;
135	elseif ( $set['editor_height'] > 5000 )
136	$set['editor_height'] = 5000;
137
138	return $set;
139	}
140
141	/**
142	* Outputs the HTML for a single instance of the editor.
143	*
144	* @static
145	* @param string $content The initial content of the editor.
146	* @param string $editor_id ID for the textarea and TinyMCE and Quicktags instances (can contain only ASCII letters and numbers).
147	* @param array $settings See _WP_Editors()::parse_settings() for description.
148	*/
149	public static function editor( $content, $editor_id, $settings = array() ) {
150	$set = self::parse_settings( $editor_id, $settings );
151	$editor_class = ' class="' . trim( esc_attr( $set['editor_class'] ) . ' wp-editor-area' ) . '"';
152	$tabindex = $set['tabindex'] ? ' tabindex="' . (int) $set['tabindex'] . '"' : '';
153	$default_editor = 'html';
154	$buttons = $autocomplete = '';
155	$editor_id_attr = esc_attr( $editor_id );
156
157	if ( $set['drag_drop_upload'] ) {
158	self::$drag_drop_upload = true;
159	}
160
161	if ( ! empty( $set['editor_height'] ) ) {
162	$height = ' style="height: ' . (int) $set['editor_height'] . 'px"';
163	} else {
164	$height = ' rows="' . (int) $set['textarea_rows'] . '"';
165	}
166
167	if ( ! current_user_can( 'upload_files' ) ) {
168	$set['media_buttons'] = false;
169	}
170
171	if ( self::$this_tinymce ) {
172	$autocomplete = ' autocomplete="off"';
173
174	if ( self::$this_quicktags ) {
175	$default_editor = $set['default_editor'] ? $set['default_editor'] : wp_default_editor();
176	// 'html' is used for the "Text" editor tab.
177	if ( 'html' !== $default_editor ) {
178	$default_editor = 'tinymce';
179	}
180
181	$buttons .= '<button type="button" id="' . $editor_id_attr . '-tmce" class="wp-switch-editor switch-tmce"' .
182	' data-wp-editor-id="' . $editor_id_attr . '">' . __('Visual') . "</button>\n";
183	$buttons .= '<button type="button" id="' . $editor_id_attr . '-html" class="wp-switch-editor switch-html"' .
184	' data-wp-editor-id="' . $editor_id_attr . '">' . _x( 'Text', 'Name for the Text editor tab (formerly HTML)' ) . "</button>\n";
185	} else {
186	$default_editor = 'tinymce';
187	}
188	}
189
190	$switch_class = 'html' === $default_editor ? 'html-active' : 'tmce-active';
191	$wrap_class = 'wp-core-ui wp-editor-wrap ' . $switch_class;
192
193	if ( $set['_content_editor_dfw'] ) {
194	$wrap_class .= ' has-dfw';
195	}
196
197	echo '<div id="wp-' . $editor_id_attr . '-wrap" class="' . $wrap_class . '">';
198
199	if ( self::$editor_buttons_css ) {
200	wp_print_styles( 'editor-buttons' );
201	self::$editor_buttons_css = false;
202	}
203
204	if ( ! empty( $set['editor_css'] ) ) {
205	echo $set['editor_css'] . "\n";
206	}
207
208	if ( ! empty( $buttons ) \|\| $set['media_buttons'] ) {
209	echo '<div id="wp-' . $editor_id_attr . '-editor-tools" class="wp-editor-tools hide-if-no-js">';
210
211	if ( $set['media_buttons'] ) {
212	self::$has_medialib = true;
213
214	if ( ! function_exists( 'media_buttons' ) )
215	include( ABSPATH . 'wp-admin/includes/media.php' );
216
217	echo '<div id="wp-' . $editor_id_attr . '-media-buttons" class="wp-media-buttons">';
218
219	/**
220	* Fires after the default media button(s) are displayed.
221	*
222	* @since 2.5.0
223	*
224	* @param string $editor_id Unique editor identifier, e.g. 'content'.
225	*/
226	do_action( 'media_buttons', $editor_id );
227	echo "</div>\n";
228	}
229
230	echo '<div class="wp-editor-tabs">' . $buttons . "</div>\n";
231	echo "</div>\n";
232	}
233
234	$quicktags_toolbar = '';
235
236	if ( self::$this_quicktags ) {
237	if ( 'content' === $editor_id && ! empty( $GLOBALS['current_screen'] ) && $GLOBALS['current_screen']->base === 'post' ) {
238	$toolbar_id = 'ed_toolbar';
239	} else {
240	$toolbar_id = 'qt_' . $editor_id_attr . '_toolbar';
241	}
242
243	$quicktags_toolbar = '<div id="' . $toolbar_id . '" class="quicktags-toolbar"></div>';
244	}
245
246	/**
247	* Filters the HTML markup output that displays the editor.
248	*
249	* @since 2.1.0
250	*
251	* @param string $output Editor's HTML markup.
252	*/
253	$the_editor = apply_filters( 'the_editor', '<div id="wp-' . $editor_id_attr . '-editor-container" class="wp-editor-container">' .
254	$quicktags_toolbar .
255	'<textarea' . $editor_class . $height . $tabindex . $autocomplete . ' cols="40" name="' . esc_attr( $set['textarea_name'] ) . '" ' .
256	'id="' . $editor_id_attr . '">%s</textarea></div>' );
257
258	// Prepare the content for the Visual or Text editor, only when TinyMCE is used (back-compat).
259	if ( self::$this_tinymce ) {
260	add_filter( 'the_editor_content', 'format_for_editor', 10, 2 );
261	}
262
263	/**
264	* Filters the default editor content.
265	*
266	* @since 2.1.0
267	*
268	* @param string $content Default editor content.
269	* @param string $default_editor The default editor for the current user.
270	* Either 'html' or 'tinymce'.
271	*/
272	$content = apply_filters( 'the_editor_content', $content, $default_editor );
273
274	// Remove the filter as the next editor on the same page may not need it.
275	if ( self::$this_tinymce ) {
276	remove_filter( 'the_editor_content', 'format_for_editor' );
277	}
278
279	// Back-compat for the `htmledit_pre` and `richedit_pre` filters
280	if ( 'html' === $default_editor && has_filter( 'htmledit_pre' ) ) {
281	// TODO: needs _deprecated_filter(), use _deprecated_function() as substitute for now
282	_deprecated_function( 'add_filter( htmledit_pre )', '4.3.0', 'add_filter( format_for_editor )' );
283	$content = apply_filters( 'htmledit_pre', $content );
284	} elseif ( 'tinymce' === $default_editor && has_filter( 'richedit_pre' ) ) {
285	_deprecated_function( 'add_filter( richedit_pre )', '4.3.0', 'add_filter( format_for_editor )' );
286	$content = apply_filters( 'richedit_pre', $content );
287	}
288
289	if ( false !== stripos( $content, 'textarea' ) ) {
290	$content = preg_replace( '%</textarea%i', '</textarea', $content );
291	}
292
293	printf( $the_editor, $content );
294	echo "\n</div>\n\n";
295
296	self::editor_settings( $editor_id, $set );
297	}
298
299	/**
300	* @static
301	*
302	* @global string $tinymce_version
303	*
304	* @param string $editor_id
305	* @param array $set
306	*/
307	public static function editor_settings($editor_id, $set) {
308	global $tinymce_version;
309
310	if ( empty(self::$first_init) ) {
311	if ( is_admin() ) {
312	add_action( 'admin_print_footer_scripts', array( __CLASS__, 'editor_js' ), 50 );
313	add_action( 'admin_print_footer_scripts', array( __CLASS__, 'enqueue_scripts' ), 1 );
314	} else {
315	add_action( 'wp_print_footer_scripts', array( __CLASS__, 'editor_js' ), 50 );
316	add_action( 'wp_print_footer_scripts', array( __CLASS__, 'enqueue_scripts' ), 1 );
317	}
318	}
319
320	if ( self::$this_quicktags ) {
321
322	$qtInit = array(
323	'id' => $editor_id,
324	'buttons' => ''
325	);
326
327	if ( is_array($set['quicktags']) )
328	$qtInit = array_merge($qtInit, $set['quicktags']);
329
330	if ( empty($qtInit['buttons']) )
331	$qtInit['buttons'] = 'strong,em,link,block,del,ins,img,ul,ol,li,code,more,close';
332
333	if ( $set['_content_editor_dfw'] ) {
334	$qtInit['buttons'] .= ',dfw';
335	}
336
337	/**
338	* Filters the Quicktags settings.
339	*
340	* @since 3.3.0
341	*
342	* @param array $qtInit Quicktags settings.
343	* @param string $editor_id The unique editor ID, e.g. 'content'.
344	*/
345	$qtInit = apply_filters( 'quicktags_settings', $qtInit, $editor_id );
346
347	self::$qt_settings[$editor_id] = $qtInit;
348
349	self::$qt_buttons = array_merge( self::$qt_buttons, explode(',', $qtInit['buttons']) );
350	}
351
352	if ( self::$this_tinymce ) {
353
354	if ( empty( self::$first_init ) ) {
355	$baseurl = self::get_baseurl();
356	$mce_locale = self::get_mce_locale();
357	$ext_plugins = '';
358
359	if ( $set['teeny'] ) {
360
361	/**
362	* Filters the list of teenyMCE plugins.
363	*
364	* @since 2.7.0
365	*
366	* @param array $plugins An array of teenyMCE plugins.
367	* @param string $editor_id Unique editor identifier, e.g. 'content'.
368	*/
369	$plugins = apply_filters( 'teeny_mce_plugins', array( 'colorpicker', 'lists', 'fullscreen', 'image', 'wordpress', 'wpeditimage', 'wplink' ), $editor_id );
370	} else {
371
372	/**
373	* Filters the list of TinyMCE external plugins.
374	*
375	* The filter takes an associative array of external plugins for
376	* TinyMCE in the form 'plugin_name' => 'url'.
377	*
378	* The url should be absolute, and should include the js filename
379	* to be loaded. For example:
380	* 'myplugin' => 'http://mysite.com/wp-content/plugins/myfolder/mce_plugin.js'.
381	*
382	* If the external plugin adds a button, it should be added with
383	* one of the 'mce_buttons' filters.
384	*
385	* @since 2.5.0
386	*
387	* @param array $external_plugins An array of external TinyMCE plugins.
388	*/
389	$mce_external_plugins = apply_filters( 'mce_external_plugins', array() );
390
391	$plugins = array(
392	'charmap',
393	'colorpicker',
394	'hr',
395	'lists',
396	'media',
397	'paste',
398	'tabfocus',
399	'textcolor',
400	'fullscreen',
401	'wordpress',
402	'wpautoresize',
403	'wpeditimage',
404	'wpemoji',
405	'wpgallery',
406	'wplink',
407	'wpdialogs',
408	'wptextpattern',
409	'wpview',
410	);
411
412	if ( ! self::$has_medialib ) {
413	$plugins[] = 'image';
414	}
415
416	/**
417	* Filters the list of default TinyMCE plugins.
418	*
419	* The filter specifies which of the default plugins included
420	* in WordPress should be added to the TinyMCE instance.
421	*
422	* @since 3.3.0
423	*
424	* @param array $plugins An array of default TinyMCE plugins.
425	*/
426	$plugins = array_unique( apply_filters( 'tiny_mce_plugins', $plugins ) );
427
428	if ( ( $key = array_search( 'spellchecker', $plugins ) ) !== false ) {
429	// Remove 'spellchecker' from the internal plugins if added with 'tiny_mce_plugins' filter to prevent errors.
430	// It can be added with 'mce_external_plugins'.
431	unset( $plugins[$key] );
432	}
433
434	if ( ! empty( $mce_external_plugins ) ) {
435
436	/**
437	* Filters the translations loaded for external TinyMCE 3.x plugins.
438	*
439	* The filter takes an associative array ('plugin_name' => 'path')
440	* where 'path' is the include path to the file.
441	*
442	* The language file should follow the same format as wp_mce_translation(),
443	* and should define a variable ($strings) that holds all translated strings.
444	*
445	* @since 2.5.0
446	*
447	* @param array $translations Translations for external TinyMCE plugins.
448	*/
449	$mce_external_languages = apply_filters( 'mce_external_languages', array() );
450
451	$loaded_langs = array();
452	$strings = '';
453
454	if ( ! empty( $mce_external_languages ) ) {
455	foreach ( $mce_external_languages as $name => $path ) {
456	if ( @is_file( $path ) && @is_readable( $path ) ) {
457	include_once( $path );
458	$ext_plugins .= $strings . "\n";
459	$loaded_langs[] = $name;
460	}
461	}
462	}
463
464	foreach ( $mce_external_plugins as $name => $url ) {
465	if ( in_array( $name, $plugins, true ) ) {
466	unset( $mce_external_plugins[ $name ] );
467	continue;
468	}
469
470	$url = set_url_scheme( $url );
471	$mce_external_plugins[ $name ] = $url;
472	$plugurl = dirname( $url );
473	$strings = '';
474
475	// Try to load langs/[locale].js and langs/[locale]_dlg.js
476	if ( ! in_array( $name, $loaded_langs, true ) ) {
477	$path = str_replace( content_url(), '', $plugurl );
478	$path = WP_CONTENT_DIR . $path . '/langs/';
479
480	if ( function_exists('realpath') )
481	$path = trailingslashit( realpath($path) );
482
483	if ( @is_file( $path . $mce_locale . '.js' ) )
484	$strings .= @file_get_contents( $path . $mce_locale . '.js' ) . "\n";
485
486	if ( @is_file( $path . $mce_locale . '_dlg.js' ) )
487	$strings .= @file_get_contents( $path . $mce_locale . '_dlg.js' ) . "\n";
488
489	if ( 'en' != $mce_locale && empty( $strings ) ) {
490	if ( @is_file( $path . 'en.js' ) ) {
491	$str1 = @file_get_contents( $path . 'en.js' );
492	$strings .= preg_replace( '/([\'"])en\./', '$1' . $mce_locale . '.', $str1, 1 ) . "\n";
493	}
494
495	if ( @is_file( $path . 'en_dlg.js' ) ) {
496	$str2 = @file_get_contents( $path . 'en_dlg.js' );
497	$strings .= preg_replace( '/([\'"])en\./', '$1' . $mce_locale . '.', $str2, 1 ) . "\n";
498	}
499	}
500
501	if ( ! empty( $strings ) )
502	$ext_plugins .= "\n" . $strings . "\n";
503	}
504
505	$ext_plugins .= 'tinyMCEPreInit.load_ext("' . $plugurl . '", "' . $mce_locale . '");' . "\n";
506	$ext_plugins .= 'tinymce.PluginManager.load("' . $name . '", "' . $url . '");' . "\n";
507	}
508	}
509	}
510
511	self::$plugins = $plugins;
512	self::$ext_plugins = $ext_plugins;
513
514	$settings = self::default_settings();
515	$settings['plugins'] = implode( ',', $plugins );
516
517	if ( ! empty( $mce_external_plugins ) ) {
518	$settings['external_plugins'] = wp_json_encode( $mce_external_plugins );
519	}
520
521	/** This filter is documented in wp-admin/includes/media.php */
522	if ( apply_filters( 'disable_captions', '' ) ) {
523	$settings['wpeditimage_disable_captions'] = true;
524	}
525
526	$mce_css = $settings['content_css'];
527	$editor_styles = get_editor_stylesheets();
528
529	if ( ! empty( $editor_styles ) ) {
530	// Force urlencoding of commas.
531	foreach ( $editor_styles as $key => $url ) {
532	if ( strpos( $url, ',' ) !== false ) {
533	$editor_styles[ $key ] = str_replace( ',', '%2C', $url );
534	}
535	}
536
537	$mce_css .= ',' . implode( ',', $editor_styles );
538	}
539
540	/**
541	* Filters the comma-delimited list of stylesheets to load in TinyMCE.
542	*
543	* @since 2.1.0
544	*
545	* @param string $stylesheets Comma-delimited list of stylesheets.
546	*/
547	$mce_css = trim( apply_filters( 'mce_css', $mce_css ), ' ,' );
548
549	if ( ! empty( $mce_css ) ) {
550	$settings['content_css'] = $mce_css;
551	} else {
552	unset( $settings['content_css'] );
553	}
554
555	self::$first_init = $settings;
556	}
557
558	if ( $set['teeny'] ) {
559
560	/**
561	* Filters the list of teenyMCE buttons (Text tab).
562	*
563	* @since 2.7.0
564	*
565	* @param array $buttons An array of teenyMCE buttons.
566	* @param string $editor_id Unique editor identifier, e.g. 'content'.
567	*/
568	$mce_buttons = apply_filters( 'teeny_mce_buttons', array('bold', 'italic', 'underline', 'blockquote', 'strikethrough', 'bullist', 'numlist', 'alignleft', 'aligncenter', 'alignright', 'undo', 'redo', 'link', 'unlink', 'fullscreen'), $editor_id );
569	$mce_buttons_2 = $mce_buttons_3 = $mce_buttons_4 = array();
570	} else {
571	$mce_buttons = array( 'formatselect', 'bold', 'italic', 'bullist', 'numlist', 'blockquote', 'alignleft', 'aligncenter', 'alignright', 'link', 'unlink', 'wp_more', 'spellchecker' );
572
573	if ( ! wp_is_mobile() ) {
574	if ( $set['_content_editor_dfw'] ) {
575	$mce_buttons[] = 'dfw';
576	} else {
577	$mce_buttons[] = 'fullscreen';
578	}
579	}
580
581	$mce_buttons[] = 'wp_adv';
582
583	/**
584	* Filters the first-row list of TinyMCE buttons (Visual tab).
585	*
586	* @since 2.0.0
587	*
588	* @param array $buttons First-row list of buttons.
589	* @param string $editor_id Unique editor identifier, e.g. 'content'.
590	*/
591	$mce_buttons = apply_filters( 'mce_buttons', $mce_buttons, $editor_id );
592
593	$mce_buttons_2 = array( 'strikethrough', 'hr', 'forecolor', 'pastetext', 'removeformat', 'charmap', 'outdent', 'indent', 'undo', 'redo' );
594
595	if ( ! wp_is_mobile() ) {
596	$mce_buttons_2[] = 'wp_help';
597	}
598
599	/**
600	* Filters the second-row list of TinyMCE buttons (Visual tab).
601	*
602	* @since 2.0.0
603	*
604	* @param array $buttons Second-row list of buttons.
605	* @param string $editor_id Unique editor identifier, e.g. 'content'.
606	*/
607	$mce_buttons_2 = apply_filters( 'mce_buttons_2', $mce_buttons_2, $editor_id );
608
609	/**
610	* Filters the third-row list of TinyMCE buttons (Visual tab).
611	*
612	* @since 2.0.0
613	*
614	* @param array $buttons Third-row list of buttons.
615	* @param string $editor_id Unique editor identifier, e.g. 'content'.
616	*/
617	$mce_buttons_3 = apply_filters( 'mce_buttons_3', array(), $editor_id );
618
619	/**
620	* Filters the fourth-row list of TinyMCE buttons (Visual tab).
621	*
622	* @since 2.5.0
623	*
624	* @param array $buttons Fourth-row list of buttons.
625	* @param string $editor_id Unique editor identifier, e.g. 'content'.
626	*/
627	$mce_buttons_4 = apply_filters( 'mce_buttons_4', array(), $editor_id );
628	}
629
630	$body_class = $editor_id;
631
632	if ( $post = get_post() ) {
633	$body_class .= ' post-type-' . sanitize_html_class( $post->post_type ) . ' post-status-' . sanitize_html_class( $post->post_status );
634
635	if ( post_type_supports( $post->post_type, 'post-formats' ) ) {
636	$post_format = get_post_format( $post );
637	if ( $post_format && ! is_wp_error( $post_format ) )
638	$body_class .= ' post-format-' . sanitize_html_class( $post_format );
639	else
640	$body_class .= ' post-format-standard';
641	}
642
643	$page_template = get_page_template_slug( $post );
644
645	if ( $page_template !== false ) {
646	$page_template = empty( $page_template ) ? 'default' : str_replace( '.', '-', basename( $page_template, '.php' ) );
647	$body_class .= ' page-template-' . sanitize_html_class( $page_template );
648	}
649	}
650
651	$body_class .= ' locale-' . sanitize_html_class( strtolower( str_replace( '_', '-', get_user_locale() ) ) );
652
653	if ( ! empty( $set['tinymce']['body_class'] ) ) {
654	$body_class .= ' ' . $set['tinymce']['body_class'];
655	unset( $set['tinymce']['body_class'] );
656	}
657
658	$mceInit = array (
659	'selector' => "#$editor_id",
660	'wpautop' => (bool) $set['wpautop'],
661	'indent' => ! $set['wpautop'],
662	'toolbar1' => implode( ',', $mce_buttons ),
663	'toolbar2' => implode( ',', $mce_buttons_2 ),
664	'toolbar3' => implode( ',', $mce_buttons_3 ),
665	'toolbar4' => implode( ',', $mce_buttons_4 ),
666	'tabfocus_elements' => $set['tabfocus_elements'],
667	'body_class' => $body_class
668	);
669
670	// Merge with the first part of the init array
671	$mceInit = array_merge( self::$first_init, $mceInit );
672
673	if ( is_array( $set['tinymce'] ) )
674	$mceInit = array_merge( $mceInit, $set['tinymce'] );
675
676	/*
677	* For people who really REALLY know what they're doing with TinyMCE
678	* You can modify $mceInit to add, remove, change elements of the config
679	* before tinyMCE.init. Setting "valid_elements", "invalid_elements"
680	* and "extended_valid_elements" can be done through this filter. Best
681	* is to use the default cleanup by not specifying valid_elements,
682	* as TinyMCE checks against the full set of HTML 5.0 elements and attributes.
683	*/
684	if ( $set['teeny'] ) {
685
686	/**
687	* Filters the teenyMCE config before init.
688	*
689	* @since 2.7.0
690	*
691	* @param array $mceInit An array with teenyMCE config.
692	* @param string $editor_id Unique editor identifier, e.g. 'content'.
693	*/
694	$mceInit = apply_filters( 'teeny_mce_before_init', $mceInit, $editor_id );
695	} else {
696
697	/**
698	* Filters the TinyMCE config before init.
699	*
700	* @since 2.5.0
701	*
702	* @param array $mceInit An array with TinyMCE config.
703	* @param string $editor_id Unique editor identifier, e.g. 'content'.
704	*/
705	$mceInit = apply_filters( 'tiny_mce_before_init', $mceInit, $editor_id );
706	}
707
708	if ( empty( $mceInit['toolbar3'] ) && ! empty( $mceInit['toolbar4'] ) ) {
709	$mceInit['toolbar3'] = $mceInit['toolbar4'];
710	$mceInit['toolbar4'] = '';
711	}
712
713	self::$mce_settings[$editor_id] = $mceInit;
714	} // end if self::$this_tinymce
715	}
716
717	/**
718	*
719	* @static
720	* @param array $init
721	* @return string
722	*/
723	private static function _parse_init( $init ) {
724	$options = '';
725
726	foreach ( $init as $key => $value ) {
727	if ( is_bool( $value ) ) {
728	$val = $value ? 'true' : 'false';
729	$options .= $key . ':' . $val . ',';
730	continue;
731	} elseif ( ! empty( $value ) && is_string( $value ) && (
732	( '{' == $value{0} && '}' == $value{strlen( $value ) - 1} ) \|\|
733	( '[' == $value{0} && ']' == $value{strlen( $value ) - 1} ) \|\|
734	preg_match( '/^\(?function ?\(/', $value ) ) ) {
735
736	$options .= $key . ':' . $value . ',';
737	continue;
738	}
739	$options .= $key . ':"' . $value . '",';
740	}
741
742	return '{' . trim( $options, ' ,' ) . '}';
743	}
744
745	/**
746	*
747	* @static
748	*/
749	public static function enqueue_scripts( $default_scripts = false ) {
750	if ( $default_scripts \|\| self::$has_tinymce ) {
751	wp_enqueue_script( 'editor' );
752	}
753
754	if ( $default_scripts \|\| self::$has_quicktags ) {
755	wp_enqueue_script( 'quicktags' );
756	wp_enqueue_style( 'buttons' );
757	}
758
759	if ( $default_scripts \|\| in_array( 'wplink', self::$plugins, true ) \|\| in_array( 'link', self::$qt_buttons, true ) ) {
760	wp_enqueue_script( 'wplink' );
761	wp_enqueue_script( 'jquery-ui-autocomplete' );
762	}
763
764	if ( self::$old_dfw_compat ) {
765	wp_enqueue_script( 'wp-fullscreen-stub' );
766	}
767
768	if ( self::$has_medialib ) {
769	add_thickbox();
770	wp_enqueue_script( 'media-upload' );
771	wp_enqueue_script( 'wp-embed' );
772	} elseif ( $default_scripts ) {
773	wp_enqueue_script( 'media-upload' );
774	}
775
776	/**
777	* Fires when scripts and styles are enqueued for the editor.
778	*
779	* @since 3.9.0
780	*
781	* @param array $to_load An array containing boolean values whether TinyMCE
782	* and Quicktags are being loaded.
783	*/
784	do_action( 'wp_enqueue_editor', array(
785	'tinymce' => ( $default_scripts \|\| self::$has_tinymce ),
786	'quicktags' => ( $default_scripts \|\| self::$has_quicktags ),
787	) );
788	}
789
790	/**
791	* Enqueue all editor scripts.
792	* For use when the editor is going to be initialized after page load.
793	*
794	* @since 4.8.0
795	*/
796	public static function enqueue_default_editor() {
797	// We are past the point where scripts can be enqueued properly.
798	if ( did_action( 'wp_enqueue_editor' ) ) {
799	return;
800	}
801
802	self::enqueue_scripts( true );
803
804	// Also add wp-includes/css/editor.css
805	wp_enqueue_style( 'editor-buttons' );
806
807	if ( is_admin() ) {
808	add_action( 'admin_print_footer_scripts', array( __CLASS__, 'print_default_editor_scripts' ), 45 );
809	} else {
810	add_action( 'wp_print_footer_scripts', array( __CLASS__, 'print_default_editor_scripts' ), 45 );
811	}
812	}
813
814	/**
815	* Print (output) all editor scripts and default settings.
816	* For use when the editor is going to be initialized after page load.
817	*
818	* @since 4.8.0
819	*
820	*/
821	public static function print_default_editor_scripts() {
822	$user_can_richedit = user_can_richedit();
823
824	if ( $user_can_richedit ) {
825	$settings = self::default_settings();
826
827	$settings['toolbar1'] = 'bold,italic,bullist,numlist,link';
828	$settings['wpautop'] = false;
829	$settings['indent'] = true;
830	$settings['elementpath'] = false;
831
832	if ( is_rtl() ) {
833	$settings['directionality'] = 'rtl';
834	}
835
836	// In production all plugins are loaded (they are in wp-editor.js.gz).
837	// The 'wpview', 'wpdialogs', and 'media' TinyMCE plugins are not initialized by default.
838	// Can be added from js by using the 'wp-before-tinymce-init' event.
839	$settings['plugins'] = implode( ',', array(
840	'charmap',
841	'colorpicker',
842	'hr',
843	'lists',
844	'paste',
845	'tabfocus',
846	'textcolor',
847	'fullscreen',
848	'wordpress',
849	'wpautoresize',
850	'wpeditimage',
851	'wpemoji',
852	'wpgallery',
853	'wplink',
854	'wptextpattern',
855	) );
856
857	$settings = self::_parse_init( $settings );
858	} else {
859	$settings = '{}';
860	}
861
862	?>
863	<script type="text/javascript">
864	window.wp = window.wp \|\| {};
865	window.wp.editor = window.wp.editor \|\| {};
866	window.wp.editor.getDefaultSettings = function() {
867	return {
868	tinymce: <?php echo $settings; ?>,
869	quicktags: {
870	buttons: 'strong,em,link,ul,ol,li,code'
871	}
872	};
873	};
874
875	<?php
876
877	if ( $user_can_richedit ) {
878	$suffix = SCRIPT_DEBUG ? '' : '.min';
879	$baseurl = self::get_baseurl();
880
881	?>
882	var tinyMCEPreInit = {
883	baseURL: "<?php echo $baseurl; ?>",
884	suffix: "<?php echo $suffix; ?>",
885	mceInit: {},
886	qtInit: {},
887	load_ext: function(url,lang){var sl=tinymce.ScriptLoader;sl.markDone(url+'/langs/'+lang+'.js');sl.markDone(url+'/langs/'+lang+'_dlg.js');}
888	};
889	<?php
890	}
891	?>
892	</script>
893	<?php
894
895	if ( $user_can_richedit ) {
896	self::print_tinymce_scripts();
897	}
898
899	/**
900	* Fires when the editor scripts are loaded for later initialization,
901	* after all scripts and settings are printed.
902	*
903	* @since 4.8.0
904	*/
905	do_action( 'print_default_editor_scripts' );
906
907	self::wp_link_dialog();
908	}
909
910	public static function get_mce_locale() {
911	if ( empty( self::$mce_locale ) ) {
912	$mce_locale = get_user_locale();
913	self::$mce_locale = empty( $mce_locale ) ? 'en' : strtolower( substr( $mce_locale, 0, 2 ) ); // ISO 639-1
914	}
915
916	return self::$mce_locale;
917	}
918
919	public static function get_baseurl() {
920	if ( empty( self::$baseurl ) ) {
921	self::$baseurl = includes_url( 'js/tinymce' );
922	}
923
924	return self::$baseurl;
925	}
926
927	/**
928	* Returns the default TinyMCE settings.
929	* Doesn't include plugins, buttons, editor selector.
930	*
931	* @global string $tinymce_version
932	*@static
933	* @return array
934	*/
935	private static function default_settings() {
936	global $tinymce_version;
937
938	$shortcut_labels = array();
939
940	foreach ( self::get_translation() as $name => $value ) {
941	if ( is_array( $value ) ) {
942	$shortcut_labels[$name] = $value[1];
943	}
944	}
945
946	$settings = array(
947	'theme' => 'modern',
948	'skin' => 'lightgray',
949	'language' => self::get_mce_locale(),
950	'formats' => '{' .
951	'alignleft: [' .
952	'{selector: "p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li", styles: {textAlign:"left"}},' .
953	'{selector: "img,table,dl.wp-caption", classes: "alignleft"}' .
954	'],' .
955	'aligncenter: [' .
956	'{selector: "p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li", styles: {textAlign:"center"}},' .
957	'{selector: "img,table,dl.wp-caption", classes: "aligncenter"}' .
958	'],' .
959	'alignright: [' .
960	'{selector: "p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li", styles: {textAlign:"right"}},' .
961	'{selector: "img,table,dl.wp-caption", classes: "alignright"}' .
962	'],' .
963	'strikethrough: {inline: "del"}' .
964	'}',
965	'relative_urls' => false,
966	'remove_script_host' => false,
967	'convert_urls' => false,
968	'browser_spellcheck' => true,
969	'fix_list_elements' => true,
970	'entities' => '38,amp,60,lt,62,gt',
971	'entity_encoding' => 'raw',
972	'keep_styles' => false,
973	'cache_suffix' => 'wp-mce-' . $tinymce_version,
974	'resize' => 'vertical',
975	'menubar' => false,
976	'branding' => false,
977
978	// Limit the preview styles in the menu/toolbar
979	'preview_styles' => 'font-family font-size font-weight font-style text-decoration text-transform',
980
981	'end_container_on_empty_block' => true,
982	'wpeditimage_html5_captions' => true,
983	'wp_lang_attr' => get_bloginfo( 'language' ),
984	'wp_shortcut_labels' => wp_json_encode( $shortcut_labels ),
985	);
986
987	$suffix = SCRIPT_DEBUG ? '' : '.min';
988	$version = 'ver=' . get_bloginfo( 'version' );
989
990	// Default stylesheets
991	$settings['content_css'] = includes_url( "css/dashicons$suffix.css?$version" ) . ',' .
992	includes_url( "js/tinymce/skins/wordpress/wp-content.css?$version" );
993
994	return $settings;
995	}
996
997	private static function get_translation() {
998	if ( empty( self::$translation ) ) {
999	self::$translation = array(
1000	// Default TinyMCE strings
1001	'New document' => __( 'New document' ),
1002	'Formats' => _x( 'Formats', 'TinyMCE' ),
1003
1004	'Headings' => _x( 'Headings', 'TinyMCE' ),
1005	'Heading 1' => array( __( 'Heading 1' ), 'access1' ),
1006	'Heading 2' => array( __( 'Heading 2' ), 'access2' ),
1007	'Heading 3' => array( __( 'Heading 3' ), 'access3' ),
1008	'Heading 4' => array( __( 'Heading 4' ), 'access4' ),
1009	'Heading 5' => array( __( 'Heading 5' ), 'access5' ),
1010	'Heading 6' => array( __( 'Heading 6' ), 'access6' ),
1011
1012	/* translators: block tags */
1013	'Blocks' => _x( 'Blocks', 'TinyMCE' ),
1014	'Paragraph' => array( __( 'Paragraph' ), 'access7' ),
1015	'Blockquote' => array( __( 'Blockquote' ), 'accessQ' ),
1016	'Div' => _x( 'Div', 'HTML tag' ),
1017	'Pre' => _x( 'Pre', 'HTML tag' ),
1018	'Preformatted' => _x( 'Preformatted', 'HTML tag' ),
1019	'Address' => _x( 'Address', 'HTML tag' ),
1020
1021	'Inline' => _x( 'Inline', 'HTML elements' ),
1022	'Underline' => array( __( 'Underline' ), 'metaU' ),
1023	'Strikethrough' => array( __( 'Strikethrough' ), 'accessD' ),
1024	'Subscript' => __( 'Subscript' ),
1025	'Superscript' => __( 'Superscript' ),
1026	'Clear formatting' => __( 'Clear formatting' ),
1027	'Bold' => array( __( 'Bold' ), 'metaB' ),
1028	'Italic' => array( __( 'Italic' ), 'metaI' ),
1029	'Code' => array( __( 'Code' ), 'accessX' ),
1030	'Source code' => __( 'Source code' ),
1031	'Font Family' => __( 'Font Family' ),
1032	'Font Sizes' => __( 'Font Sizes' ),
1033
1034	'Align center' => array( __( 'Align center' ), 'accessC' ),
1035	'Align right' => array( __( 'Align right' ), 'accessR' ),
1036	'Align left' => array( __( 'Align left' ), 'accessL' ),
1037	'Justify' => array( __( 'Justify' ), 'accessJ' ),
1038	'Increase indent' => __( 'Increase indent' ),
1039	'Decrease indent' => __( 'Decrease indent' ),
1040
1041	'Cut' => array( __( 'Cut' ), 'metaX' ),
1042	'Copy' => array( __( 'Copy' ), 'metaC' ),
1043	'Paste' => array( __( 'Paste' ), 'metaV' ),
1044	'Select all' => array( __( 'Select all' ), 'metaA' ),
1045	'Undo' => array( __( 'Undo' ), 'metaZ' ),
1046	'Redo' => array( __( 'Redo' ), 'metaY' ),
1047
1048	'Ok' => __( 'OK' ),
1049	'Cancel' => __( 'Cancel' ),
1050	'Close' => __( 'Close' ),
1051	'Visual aids' => __( 'Visual aids' ),
1052
1053	'Bullet list' => array( __( 'Bulleted list' ), 'accessU' ),
1054	'Numbered list' => array( __( 'Numbered list' ), 'accessO' ),
1055	'Square' => _x( 'Square', 'list style' ),
1056	'Default' => _x( 'Default', 'list style' ),
1057	'Circle' => _x( 'Circle', 'list style' ),
1058	'Disc' => _x('Disc', 'list style' ),
1059	'Lower Greek' => _x( 'Lower Greek', 'list style' ),
1060	'Lower Alpha' => _x( 'Lower Alpha', 'list style' ),
1061	'Upper Alpha' => _x( 'Upper Alpha', 'list style' ),
1062	'Upper Roman' => _x( 'Upper Roman', 'list style' ),
1063	'Lower Roman' => _x( 'Lower Roman', 'list style' ),
1064
1065	// Anchor plugin
1066	'Name' => _x( 'Name', 'Name of link anchor (TinyMCE)' ),
1067	'Anchor' => _x( 'Anchor', 'Link anchor (TinyMCE)' ),
1068	'Anchors' => _x( 'Anchors', 'Link anchors (TinyMCE)' ),
1069	'Id should start with a letter, followed only by letters, numbers, dashes, dots, colons or underscores.' =>
1070	__( 'Id should start with a letter, followed only by letters, numbers, dashes, dots, colons or underscores.' ),
1071	'Id' => _x( 'Id', 'Id for link anchor (TinyMCE)' ),
1072
1073	// Fullpage plugin
1074	'Document properties' => __( 'Document properties' ),
1075	'Robots' => __( 'Robots' ),
1076	'Title' => __( 'Title' ),
1077	'Keywords' => __( 'Keywords' ),
1078	'Encoding' => __( 'Encoding' ),
1079	'Description' => __( 'Description' ),
1080	'Author' => __( 'Author' ),
1081
1082	// Media, image plugins
1083	'Image' => __( 'Image' ),
1084	'Insert/edit image' => array( __( 'Insert/edit image' ), 'accessM' ),
1085	'General' => __( 'General' ),
1086	'Advanced' => __( 'Advanced' ),
1087	'Source' => __( 'Source' ),
1088	'Border' => __( 'Border' ),
1089	'Constrain proportions' => __( 'Constrain proportions' ),
1090	'Vertical space' => __( 'Vertical space' ),
1091	'Image description' => __( 'Image description' ),
1092	'Style' => __( 'Style' ),
1093	'Dimensions' => __( 'Dimensions' ),
1094	'Insert image' => __( 'Insert image' ),
1095	'Date/time' => __( 'Date/time' ),
1096	'Insert date/time' => __( 'Insert date/time' ),
1097	'Table of Contents' => __( 'Table of Contents' ),
1098	'Insert/Edit code sample' => __( 'Insert/edit code sample' ),
1099	'Language' => __( 'Language' ),
1100	'Media' => __( 'Media' ),
1101	'Insert/edit media' => __( 'Insert/edit media' ),
1102	'Poster' => __( 'Poster' ),
1103	'Alternative source' => __( 'Alternative source' ),
1104	'Paste your embed code below:' => __( 'Paste your embed code below:' ),
1105	'Insert video' => __( 'Insert video' ),
1106	'Embed' => __( 'Embed' ),
1107
1108	// Each of these have a corresponding plugin
1109	'Special character' => __( 'Special character' ),
1110	'Right to left' => _x( 'Right to left', 'editor button' ),
1111	'Left to right' => _x( 'Left to right', 'editor button' ),
1112	'Emoticons' => __( 'Emoticons' ),
1113	'Nonbreaking space' => __( 'Nonbreaking space' ),
1114	'Page break' => __( 'Page break' ),
1115	'Paste as text' => __( 'Paste as text' ),
1116	'Preview' => __( 'Preview' ),
1117	'Print' => __( 'Print' ),
1118	'Save' => __( 'Save' ),
1119	'Fullscreen' => __( 'Fullscreen' ),
1120	'Horizontal line' => __( 'Horizontal line' ),
1121	'Horizontal space' => __( 'Horizontal space' ),
1122	'Restore last draft' => __( 'Restore last draft' ),
1123	'Insert/edit link' => array( __( 'Insert/edit link' ), 'metaK' ),
1124	'Remove link' => array( __( 'Remove link' ), 'accessS' ),
1125
1126	// Link plugin
1127	'Link' => __( 'Link' ),
1128	'Insert link' => __( 'Insert link' ),
1129	'Insert/edit link' => __( 'Insert/edit link' ),
1130	'Target' => __( 'Target' ),
1131	'New window' => __( 'New window' ),
1132	'Text to display' => __( 'Text to display' ),
1133	'Url' => __( 'URL' ),
1134	'The URL you entered seems to be an email address. Do you want to add the required mailto: prefix?' =>
1135	__( 'The URL you entered seems to be an email address. Do you want to add the required mailto: prefix?' ),
1136	'The URL you entered seems to be an external link. Do you want to add the required http:// prefix?' =>
1137	__( 'The URL you entered seems to be an external link. Do you want to add the required http:// prefix?' ),
1138
1139	'Color' => __( 'Color' ),
1140	'Custom color' => __( 'Custom color' ),
1141	'Custom...' => _x( 'Custom...', 'label for custom color' ), // no ellipsis
1142	'No color' => __( 'No color' ),
1143	'R' => _x( 'R', 'Short for red in RGB' ),
1144	'G' => _x( 'G', 'Short for green in RGB' ),
1145	'B' => _x( 'B', 'Short for blue in RGB' ),
1146
1147	// Spelling, search/replace plugins
1148	'Could not find the specified string.' => __( 'Could not find the specified string.' ),
1149	'Replace' => _x( 'Replace', 'find/replace' ),
1150	'Next' => _x( 'Next', 'find/replace' ),
1151	/* translators: previous */
1152	'Prev' => _x( 'Prev', 'find/replace' ),
1153	'Whole words' => _x( 'Whole words', 'find/replace' ),
1154	'Find and replace' => __( 'Find and replace' ),
1155	'Replace with' => _x('Replace with', 'find/replace' ),
1156	'Find' => _x( 'Find', 'find/replace' ),
1157	'Replace all' => _x( 'Replace all', 'find/replace' ),
1158	'Match case' => __( 'Match case' ),
1159	'Spellcheck' => __( 'Check Spelling' ),
1160	'Finish' => _x( 'Finish', 'spellcheck' ),
1161	'Ignore all' => _x( 'Ignore all', 'spellcheck' ),
1162	'Ignore' => _x( 'Ignore', 'spellcheck' ),
1163	'Add to Dictionary' => __( 'Add to Dictionary' ),
1164
1165	// TinyMCE tables
1166	'Insert table' => __( 'Insert table' ),
1167	'Delete table' => __( 'Delete table' ),
1168	'Table properties' => __( 'Table properties' ),
1169	'Row properties' => __( 'Table row properties' ),
1170	'Cell properties' => __( 'Table cell properties' ),
1171	'Border color' => __( 'Border color' ),
1172
1173	'Row' => __( 'Row' ),
1174	'Rows' => __( 'Rows' ),
1175	'Column' => _x( 'Column', 'table column' ),
1176	'Cols' => _x( 'Cols', 'table columns' ),
1177	'Cell' => _x( 'Cell', 'table cell' ),
1178	'Header cell' => __( 'Header cell' ),
1179	'Header' => _x( 'Header', 'table header' ),
1180	'Body' => _x( 'Body', 'table body' ),
1181	'Footer' => _x( 'Footer', 'table footer' ),
1182
1183	'Insert row before' => __( 'Insert row before' ),
1184	'Insert row after' => __( 'Insert row after' ),
1185	'Insert column before' => __( 'Insert column before' ),
1186	'Insert column after' => __( 'Insert column after' ),
1187	'Paste row before' => __( 'Paste table row before' ),
1188	'Paste row after' => __( 'Paste table row after' ),
1189	'Delete row' => __( 'Delete row' ),
1190	'Delete column' => __( 'Delete column' ),
1191	'Cut row' => __( 'Cut table row' ),
1192	'Copy row' => __( 'Copy table row' ),
1193	'Merge cells' => __( 'Merge table cells' ),
1194	'Split cell' => __( 'Split table cell' ),
1195
1196	'Height' => __( 'Height' ),
1197	'Width' => __( 'Width' ),
1198	'Caption' => __( 'Caption' ),
1199	'Alignment' => __( 'Alignment' ),
1200	'H Align' => _x( 'H Align', 'horizontal table cell alignment' ),
1201	'Left' => __( 'Left' ),
1202	'Center' => __( 'Center' ),
1203	'Right' => __( 'Right' ),
1204	'None' => _x( 'None', 'table cell alignment attribute' ),
1205	'V Align' => _x( 'V Align', 'vertical table cell alignment' ),
1206	'Top' => __( 'Top' ),
1207	'Middle' => __( 'Middle' ),
1208	'Bottom' => __( 'Bottom' ),
1209
1210	'Row group' => __( 'Row group' ),
1211	'Column group' => __( 'Column group' ),
1212	'Row type' => __( 'Row type' ),
1213	'Cell type' => __( 'Cell type' ),
1214	'Cell padding' => __( 'Cell padding' ),
1215	'Cell spacing' => __( 'Cell spacing' ),
1216	'Scope' => _x( 'Scope', 'table cell scope attribute' ),
1217
1218	'Insert template' => _x( 'Insert template', 'TinyMCE' ),
1219	'Templates' => _x( 'Templates', 'TinyMCE' ),
1220
1221	'Background color' => __( 'Background color' ),
1222	'Text color' => __( 'Text color' ),
1223	'Show blocks' => _x( 'Show blocks', 'editor button' ),
1224	'Show invisible characters' => __( 'Show invisible characters' ),
1225
1226	/* translators: word count */
1227	'Words: {0}' => sprintf( __( 'Words: %s' ), '{0}' ),
1228	'Paste is now in plain text mode. Contents will now be pasted as plain text until you toggle this option off.' =>
1229	__( 'Paste is now in plain text mode. Contents will now be pasted as plain text until you toggle this option off.' ) . "\n\n" .
1230	__( 'If you’re looking to paste rich content from Microsoft Word, try turning this option off. The editor will clean up text pasted from Word automatically.' ),
1231	'Rich Text Area. Press ALT-F9 for menu. Press ALT-F10 for toolbar. Press ALT-0 for help' =>
1232	__( 'Rich Text Area. Press Alt-Shift-H for help.' ),
1233	'Rich Text Area. Press Control-Option-H for help.' => __( 'Rich Text Area. Press Control-Option-H for help.' ),
1234	'You have unsaved changes are you sure you want to navigate away?' =>
1235	__( 'The changes you made will be lost if you navigate away from this page.' ),
1236	'Your browser doesn\'t support direct access to the clipboard. Please use the Ctrl+X/C/V keyboard shortcuts instead.' =>
1237	__( 'Your browser does not support direct access to the clipboard. Please use keyboard shortcuts or your browser’s edit menu instead.' ),
1238
1239	// TinyMCE menus
1240	'Insert' => _x( 'Insert', 'TinyMCE menu' ),
1241	'File' => _x( 'File', 'TinyMCE menu' ),
1242	'Edit' => _x( 'Edit', 'TinyMCE menu' ),
1243	'Tools' => _x( 'Tools', 'TinyMCE menu' ),
1244	'View' => _x( 'View', 'TinyMCE menu' ),
1245	'Table' => _x( 'Table', 'TinyMCE menu' ),
1246	'Format' => _x( 'Format', 'TinyMCE menu' ),
1247
1248	// WordPress strings
1249	'Toolbar Toggle' => array( __( 'Toolbar Toggle' ), 'accessZ' ),
1250	'Insert Read More tag' => array( __( 'Insert Read More tag' ), 'accessT' ),
1251	'Insert Page Break tag' => array( __( 'Insert Page Break tag' ), 'accessP' ),
1252	'Read more...' => __( 'Read more...' ), // Title on the placeholder inside the editor (no ellipsis)
1253	'Distraction-free writing mode' => array( __( 'Distraction-free writing mode' ), 'accessW' ),
1254	'No alignment' => __( 'No alignment' ), // Tooltip for the 'alignnone' button in the image toolbar
1255	'Remove' => __( 'Remove' ), // Tooltip for the 'remove' button in the image toolbar
1256	'Edit ' => __( 'Edit' ), // Tooltip for the 'edit' button in the image toolbar
1257	'Paste URL or type to search' => __( 'Paste URL or type to search' ), // Placeholder for the inline link dialog
1258	'Apply' => __( 'Apply' ), // Tooltip for the 'apply' button in the inline link dialog
1259	'Link options' => __( 'Link options' ), // Tooltip for the 'link options' button in the inline link dialog
1260	'Visual' => __( 'Visual' ), // Editor switch tab label
1261	'Text' => __( 'Text' ), // Editor switch tab label
1262
1263	// Shortcuts help modal
1264	'Keyboard Shortcuts' => array( __( 'Keyboard Shortcuts' ), 'accessH' ),
1265	'Default shortcuts,' => __( 'Default shortcuts,' ),
1266	'Additional shortcuts,' => __( 'Additional shortcuts,' ),
1267	'Focus shortcuts:' => __( 'Focus shortcuts:' ),
1268	'Inline toolbar (when an image, link or preview is selected)' => __( 'Inline toolbar (when an image, link or preview is selected)' ),
1269	'Editor menu (when enabled)' => __( 'Editor menu (when enabled)' ),
1270	'Editor toolbar' => __( 'Editor toolbar' ),
1271	'Elements path' => __( 'Elements path' ),
1272	'Ctrl + Alt + letter:' => __( 'Ctrl + Alt + letter:' ),
1273	'Shift + Alt + letter:' => __( 'Shift + Alt + letter:' ),
1274	'Cmd + letter:' => __( 'Cmd + letter:' ),
1275	'Ctrl + letter:' => __( 'Ctrl + letter:' ),
1276	'Letter' => __( 'Letter' ),
1277	'Action' => __( 'Action' ),
1278	'Warning: the link has been inserted but may have errors. Please test it.' => __( 'Warning: the link has been inserted but may have errors. Please test it.' ),
1279	'To move focus to other buttons use Tab or the arrow keys. To return focus to the editor press Escape or use one of the buttons.' =>
1280	__( 'To move focus to other buttons use Tab or the arrow keys. To return focus to the editor press Escape or use one of the buttons.' ),
1281	'When starting a new paragraph with one of these formatting shortcuts followed by a space, the formatting will be applied automatically. Press Backspace or Escape to undo.' =>
1282	__( 'When starting a new paragraph with one of these formatting shortcuts followed by a space, the formatting will be applied automatically. Press Backspace or Escape to undo.' ),
1283	'The following formatting shortcuts are replaced when pressing Enter. Press Escape or the Undo button to undo.' =>
1284	__( 'The following formatting shortcuts are replaced when pressing Enter. Press Escape or the Undo button to undo.' ),
1285	'The next group of formatting shortcuts are applied as you type or when you insert them around plain text in the same paragraph. Press Escape or the Undo button to undo.' =>
1286	__( 'The next group of formatting shortcuts are applied as you type or when you insert them around plain text in the same paragraph. Press Escape or the Undo button to undo.' ),
1287	);
1288	}
1289
1290	/*
1291	Imagetools plugin (not included):
1292	'Edit image' => __( 'Edit image' ),
1293	'Image options' => __( 'Image options' ),
1294	'Back' => __( 'Back' ),
1295	'Invert' => __( 'Invert' ),
1296	'Flip horizontally' => __( 'Flip horizontally' ),
1297	'Flip vertically' => __( 'Flip vertically' ),
1298	'Crop' => __( 'Crop' ),
1299	'Orientation' => __( 'Orientation' ),
1300	'Resize' => __( 'Resize' ),
1301	'Rotate clockwise' => __( 'Rotate clockwise' ),
1302	'Rotate counterclockwise' => __( 'Rotate counterclockwise' ),
1303	'Sharpen' => __( 'Sharpen' ),
1304	'Brightness' => __( 'Brightness' ),
1305	'Color levels' => __( 'Color levels' ),
1306	'Contrast' => __( 'Contrast' ),
1307	'Gamma' => __( 'Gamma' ),
1308	'Zoom in' => __( 'Zoom in' ),
1309	'Zoom out' => __( 'Zoom out' ),
1310	*/
1311
1312	return self::$translation;
1313	}
1314
1315	/**
1316	* Translates the default TinyMCE strings and returns them as JSON encoded object ready to be loaded with tinymce.addI18n(),
1317	* or as JS snippet that should run after tinymce.js is loaded.
1318	*
1319	* @static
1320	* @param string $mce_locale The locale used for the editor.
1321	* @param bool $json_only optional Whether to include the JavaScript calls to tinymce.addI18n() and tinymce.ScriptLoader.markDone().
1322	* @return string Translation object, JSON encoded.
1323	*/
1324	public static function wp_mce_translation( $mce_locale = '', $json_only = false ) {
1325	if ( ! $mce_locale ) {
1326	$mce_locale = self::get_mce_locale();
1327	}
1328
1329	$mce_translation = self::get_translation();
1330
1331	foreach ( $mce_translation as $name => $value ) {
1332	if ( is_array( $value ) ) {
1333	$mce_translation[$name] = $value[0];
1334	}
1335	}
1336
1337	/**
1338	* Filters translated strings prepared for TinyMCE.
1339	*
1340	* @since 3.9.0
1341	*
1342	* @param array $mce_translation Key/value pairs of strings.
1343	* @param string $mce_locale Locale.
1344	*/
1345	$mce_translation = apply_filters( 'wp_mce_translation', $mce_translation, $mce_locale );
1346
1347	foreach ( $mce_translation as $key => $value ) {
1348	// Remove strings that are not translated.
1349	if ( $key === $value ) {
1350	unset( $mce_translation[$key] );
1351	continue;
1352	}
1353
1354	if ( false !== strpos( $value, '&' ) ) {
1355	$mce_translation[$key] = html_entity_decode( $value, ENT_QUOTES, 'UTF-8' );
1356	}
1357	}
1358
1359	// Set direction
1360	if ( is_rtl() ) {
1361	$mce_translation['_dir'] = 'rtl';
1362	}
1363
1364	if ( $json_only ) {
1365	return wp_json_encode( $mce_translation );
1366	}
1367
1368	$baseurl = self::get_baseurl();
1369
1370	return "tinymce.addI18n( '$mce_locale', " . wp_json_encode( $mce_translation ) . ");\n" .
1371	"tinymce.ScriptLoader.markDone( '$baseurl/langs/$mce_locale.js' );\n";
1372	}
1373
1374	/**
1375	* Print (output) the main TinyMCE scripts.
1376	*
1377	* @since 4.8
1378	*
1379	* @static
1380	* @global string $tinymce_version
1381	* @global bool $concatenate_scripts
1382	* @global bool $compress_scripts
1383	*/
1384	public static function print_tinymce_scripts() {
1385	global $tinymce_version, $concatenate_scripts, $compress_scripts;
1386
1387	if ( self::$tinymce_scripts_printed ) {
1388	return;
1389	}
1390
1391	self::$tinymce_scripts_printed = true;
1392
1393	if ( ! isset( $concatenate_scripts ) ) {
1394	script_concat_settings();
1395	}
1396
1397	$suffix = SCRIPT_DEBUG ? '' : '.min';
1398	$version = 'ver=' . $tinymce_version;
1399	$baseurl = self::get_baseurl();
1400
1401	$compressed = $compress_scripts && $concatenate_scripts && isset($_SERVER['HTTP_ACCEPT_ENCODING'])
1402	&& false !== stripos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip');
1403
1404	// Load tinymce.js when running from /src, else load wp-tinymce.js.gz (production) or tinymce.min.js (SCRIPT_DEBUG)
1405	$mce_suffix = false !== strpos( get_bloginfo( 'version' ), '-src' ) ? '' : '.min';
1406
1407	if ( $compressed ) {
1408	echo "<script type='text/javascript' src='{$baseurl}/wp-tinymce.php?c=1&$version'></script>\n";
1409	} else {
1410	echo "<script type='text/javascript' src='{$baseurl}/tinymce{$mce_suffix}.js?$version'></script>\n";
1411	echo "<script type='text/javascript' src='{$baseurl}/plugins/compat3x/plugin{$suffix}.js?$version'></script>\n";
1412	}
1413
1414	echo "<script type='text/javascript'>\n" . self::wp_mce_translation() . "</script>\n";
1415	}
1416
1417	/**
1418	* Print (output) the TinyMCE configuration and initialization scripts.
1419	*
1420	* @static
1421	* @global string $tinymce_version
1422	*/
1423	public static function editor_js() {
1424	global $tinymce_version;
1425
1426	$tmce_on = ! empty( self::$mce_settings );
1427	$mceInit = $qtInit = '';
1428
1429	if ( $tmce_on ) {
1430	foreach ( self::$mce_settings as $editor_id => $init ) {
1431	$options = self::_parse_init( $init );
1432	$mceInit .= "'$editor_id':{$options},";
1433	}
1434	$mceInit = '{' . trim( $mceInit, ',' ) . '}';
1435	} else {
1436	$mceInit = '{}';
1437	}
1438
1439	if ( ! empty( self::$qt_settings ) ) {
1440	foreach ( self::$qt_settings as $editor_id => $init ) {
1441	$options = self::_parse_init( $init );
1442	$qtInit .= "'$editor_id':{$options},";
1443	}
1444	$qtInit = '{' . trim( $qtInit, ',' ) . '}';
1445	} else {
1446	$qtInit = '{}';
1447	}
1448
1449	$ref = array(
1450	'plugins' => implode( ',', self::$plugins ),
1451	'theme' => 'modern',
1452	'language' => self::$mce_locale
1453	);
1454
1455	$suffix = SCRIPT_DEBUG ? '' : '.min';
1456	$baseurl = self::get_baseurl();
1457	$version = 'ver=' . $tinymce_version;
1458
1459	/**
1460	* Fires immediately before the TinyMCE settings are printed.
1461	*
1462	* @since 3.2.0
1463	*
1464	* @param array $mce_settings TinyMCE settings array.
1465	*/
1466	do_action( 'before_wp_tiny_mce', self::$mce_settings );
1467	?>
1468
1469	<script type="text/javascript">
1470	tinyMCEPreInit = {
1471	baseURL: "<?php echo $baseurl; ?>",
1472	suffix: "<?php echo $suffix; ?>",
1473	<?php
1474
1475	if ( self::$drag_drop_upload ) {
1476	echo 'dragDropUpload: true,';
1477	}
1478
1479	?>
1480	mceInit: <?php echo $mceInit; ?>,
1481	qtInit: <?php echo $qtInit; ?>,
1482	ref: <?php echo self::_parse_init( $ref ); ?>,
1483	load_ext: function(url,lang){var sl=tinymce.ScriptLoader;sl.markDone(url+'/langs/'+lang+'.js');sl.markDone(url+'/langs/'+lang+'_dlg.js');}
1484	};
1485	</script>
1486	<?php
1487
1488	if ( $tmce_on ) {
1489	self::print_tinymce_scripts();
1490
1491	if ( self::$ext_plugins ) {
1492	// Load the old-format English strings to prevent unsightly labels in old style popups
1493	echo "<script type='text/javascript' src='{$baseurl}/langs/wp-langs-en.js?$version'></script>\n";
1494	}
1495	}
1496
1497	/**
1498	* Fires after tinymce.js is loaded, but before any TinyMCE editor
1499	* instances are created.
1500	*
1501	* @since 3.9.0
1502	*
1503	* @param array $mce_settings TinyMCE settings array.
1504	*/
1505	do_action( 'wp_tiny_mce_init', self::$mce_settings );
1506
1507	?>
1508	<script type="text/javascript">
1509	<?php
1510
1511	if ( self::$ext_plugins )
1512	echo self::$ext_plugins . "\n";
1513
1514	if ( ! is_admin() )
1515	echo 'var ajaxurl = "' . admin_url( 'admin-ajax.php', 'relative' ) . '";';
1516
1517	?>
1518
1519	( function() {
1520	var init, id, $wrap;
1521
1522	if ( typeof tinymce !== 'undefined' ) {
1523	if ( tinymce.Env.ie && tinymce.Env.ie < 11 ) {
1524	tinymce.$( '.wp-editor-wrap ' ).removeClass( 'tmce-active' ).addClass( 'html-active' );
1525	return;
1526	}
1527
1528	for ( id in tinyMCEPreInit.mceInit ) {
1529	init = tinyMCEPreInit.mceInit[id];
1530	$wrap = tinymce.$( '#wp-' + id + '-wrap' );
1531
1532	if ( ( $wrap.hasClass( 'tmce-active' ) \|\| ! tinyMCEPreInit.qtInit.hasOwnProperty( id ) ) && ! init.wp_skip_init ) {
1533	tinymce.init( init );
1534
1535	if ( ! window.wpActiveEditor ) {
1536	window.wpActiveEditor = id;
1537	}
1538	}
1539	}
1540	}
1541
1542	if ( typeof quicktags !== 'undefined' ) {
1543	for ( id in tinyMCEPreInit.qtInit ) {
1544	quicktags( tinyMCEPreInit.qtInit[id] );
1545
1546	if ( ! window.wpActiveEditor ) {
1547	window.wpActiveEditor = id;
1548	}
1549	}
1550	}
1551	}());
1552	</script>
1553	<?php
1554
1555	if ( in_array( 'wplink', self::$plugins, true ) \|\| in_array( 'link', self::$qt_buttons, true ) ) {
1556	self::wp_link_dialog();
1557	}
1558
1559	/**
1560	* Fires after any core TinyMCE editor instances are created.
1561	*
1562	* @since 3.2.0
1563	*
1564	* @param array $mce_settings TinyMCE settings array.
1565	*/
1566	do_action( 'after_wp_tiny_mce', self::$mce_settings );
1567	}
1568
1569	/**
1570	* Outputs the HTML for distraction-free writing mode.
1571	*
1572	* @since 3.2.0
1573	* @deprecated 4.3.0
1574	*
1575	* @static
1576	*/
1577	public static function wp_fullscreen_html() {
1578	_deprecated_function( __FUNCTION__, '4.3.0' );
1579	}
1580
1581	/**
1582	* Performs post queries for internal linking.
1583	*
1584	* @since 3.1.0
1585	*
1586	* @static
1587	* @param array $args Optional. Accepts 'pagenum' and 's' (search) arguments.
1588	* @return false\|array Results.
1589	*/
1590	public static function wp_link_query( $args = array() ) {
1591	$pts = get_post_types( array( 'public' => true ), 'objects' );
1592	$pt_names = array_keys( $pts );
1593
1594	$query = array(
1595	'post_type' => $pt_names,
1596	'suppress_filters' => true,
1597	'update_post_term_cache' => false,
1598	'update_post_meta_cache' => false,
1599	'post_status' => 'publish',
1600	'posts_per_page' => 20,
1601	);
1602
1603	$args['pagenum'] = isset( $args['pagenum'] ) ? absint( $args['pagenum'] ) : 1;
1604
1605	if ( isset( $args['s'] ) )
1606	$query['s'] = $args['s'];
1607
1608	$query['offset'] = $args['pagenum'] > 1 ? $query['posts_per_page'] * ( $args['pagenum'] - 1 ) : 0;
1609
1610	/**
1611	* Filters the link query arguments.
1612	*
1613	* Allows modification of the link query arguments before querying.
1614	*
1615	* @see WP_Query for a full list of arguments
1616	*
1617	* @since 3.7.0
1618	*
1619	* @param array $query An array of WP_Query arguments.
1620	*/
1621	$query = apply_filters( 'wp_link_query_args', $query );
1622
1623	// Do main query.
1624	$get_posts = new WP_Query;
1625	$posts = $get_posts->query( $query );
1626	// Check if any posts were found.
1627	if ( ! $get_posts->post_count )
1628	return false;
1629
1630	// Build results.
1631	$results = array();
1632	foreach ( $posts as $post ) {
1633	if ( 'post' == $post->post_type )
1634	$info = mysql2date( __( 'Y/m/d' ), $post->post_date );
1635	else
1636	$info = $pts[ $post->post_type ]->labels->singular_name;
1637
1638	$results[] = array(
1639	'ID' => $post->ID,
1640	'title' => trim( esc_html( strip_tags( get_the_title( $post ) ) ) ),
1641	'permalink' => get_permalink( $post->ID ),
1642	'info' => $info,
1643	);
1644	}
1645
1646	/**
1647	* Filters the link query results.
1648	*
1649	* Allows modification of the returned link query results.
1650	*
1651	* @since 3.7.0
1652	*
1653	* @see 'wp_link_query_args' filter
1654	*
1655	* @param array $results {
1656	* An associative array of query results.
1657	*
1658	* @type array {
1659	* @type int $ID Post ID.
1660	* @type string $title The trimmed, escaped post title.
1661	* @type string $permalink Post permalink.
1662	* @type string $info A 'Y/m/d'-formatted date for 'post' post type,
1663	* the 'singular_name' post type label otherwise.
1664	* }
1665	* }
1666	* @param array $query An array of WP_Query arguments.
1667	*/
1668	return apply_filters( 'wp_link_query', $results, $query );
1669	}
1670
1671	/**
1672	* Dialog for internal linking.
1673	*
1674	* @since 3.1.0
1675	*
1676	* @static
1677	*/
1678	public static function wp_link_dialog() {
1679	// Run once
1680	if ( self::$link_dialog_printed ) {
1681	return;
1682	}
1683
1684	self::$link_dialog_printed = true;
1685
1686	// display: none is required here, see #WP27605
1687	?>
1688	<div id="wp-link-backdrop" style="display: none"></div>
1689	<div id="wp-link-wrap" class="wp-core-ui" style="display: none" role="dialog" aria-labelledby="link-modal-title">
1690	<form id="wp-link" tabindex="-1">
1691	<?php wp_nonce_field( 'internal-linking', '_ajax_linking_nonce', false ); ?>
1692	<h1 id="link-modal-title"><?php _e( 'Insert/edit link' ) ?></h1>
1693	<button type="button" id="wp-link-close"><span class="screen-reader-text"><?php _e( 'Close' ); ?></span></button>
1694	<div id="link-selector">
1695	<div id="link-options">
1696	<p class="howto" id="wplink-enter-url"><?php _e( 'Enter the destination URL' ); ?></p>
1697	<div>
1698	<label><span><?php _e( 'URL' ); ?></span>
1699	<input id="wp-link-url" type="text" aria-describedby="wplink-enter-url" /></label>
1700	</div>
1701	<div class="wp-link-text-field">
1702	<label><span><?php _e( 'Link Text' ); ?></span>
1703	<input id="wp-link-text" type="text" /></label>
1704	</div>
1705	<div class="link-target">
1706	<label><span></span>
1707	<input type="checkbox" id="wp-link-target" /> <?php _e( 'Open link in a new tab' ); ?></label>
1708	</div>
1709	</div>
1710	<p class="howto" id="wplink-link-existing-content"><?php _e( 'Or link to existing content' ); ?></p>
1711	<div id="search-panel">
1712	<div class="link-search-wrapper">
1713	<label>
1714	<span class="search-label"><?php _e( 'Search' ); ?></span>
1715	<input type="search" id="wp-link-search" class="link-search-field" autocomplete="off" aria-describedby="wplink-link-existing-content" />
1716	<span class="spinner"></span>
1717	</label>
1718	</div>
1719	<div id="search-results" class="query-results" tabindex="0">
1720	<ul></ul>
1721	<div class="river-waiting">
1722	<span class="spinner"></span>
1723	</div>
1724	</div>
1725	<div id="most-recent-results" class="query-results" tabindex="0">
1726	<div class="query-notice" id="query-notice-message">
1727	<em class="query-notice-default"><?php _e( 'No search term specified. Showing recent items.' ); ?></em>
1728	<em class="query-notice-hint screen-reader-text"><?php _e( 'Search or use up and down arrow keys to select an item.' ); ?></em>
1729	</div>
1730	<ul></ul>
1731	<div class="river-waiting">
1732	<span class="spinner"></span>
1733	</div>
1734	</div>
1735	</div>
1736	</div>
1737	<div class="submitbox">
1738	<div id="wp-link-cancel">
1739	<button type="button" class="button"><?php _e( 'Cancel' ); ?></button>
1740	</div>
1741	<div id="wp-link-update">
1742	<input type="submit" value="<?php esc_attr_e( 'Add Link' ); ?>" class="button button-primary" id="wp-link-submit" name="wp-link-submit">
1743	</div>
1744	</div>
1745	</form>
1746	</div>
1747	<?php
1748	}
1749	}

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Ticket #41319: class-wp-editor.php

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