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/wp-includes/class-wp-editor.php

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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
  11final 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
  29	private function __construct() {}
  30
  31	/**
  32	 * Parse default arguments for the editor instance.
  33	 *
  34	 * @param string $editor_id ID for the current editor instance.
  35	 * @param array  $settings {
  36	 *     Array of editor arguments.
  37	 *
  38	 *     @type bool       $wpautop           Whether to use wpautop(). Default true.
  39	 *     @type bool       $media_buttons     Whether to show the Add Media/other media buttons.
  40	 *     @type string     $default_editor    When both TinyMCE and Quicktags are used, set which
  41	 *                                         editor is shown on page load. Default empty.
  42	 *     @type bool       $drag_drop_upload  Whether to enable drag & drop on the editor uploading. Default false.
  43	 *                                         Requires the media modal.
  44	 *     @type string     $textarea_name     Give the textarea a unique name here. Square brackets
  45	 *                                         can be used here. Default $editor_id.
  46	 *     @type int        $textarea_rows     Number rows in the editor textarea. Default 20.
  47	 *     @type string|int $tabindex          Tabindex value to use. Default empty.
  48	 *     @type string     $tabfocus_elements The previous and next element ID to move the focus to
  49	 *                                         when pressing the Tab key in TinyMCE. Defualt ':prev,:next'.
  50	 *     @type string     $editor_css        Intended for extra styles for both Visual and Text editors.
  51	 *                                         Should include `<style>` tags, and can use "scoped". Default empty.
  52	 *     @type string     $editor_class      Extra classes to add to the editor textarea elemen. Default empty.
  53	 *     @type bool       $teeny             Whether to output the minimal editor config. Examples include
  54	 *                                         Press This and the Comment editor. Default false.
  55	 *     @type bool       $dfw               Whether to replace the default fullscreen with "Distraction Free
  56	 *                                         Writing". DFW requires specific DOM elements and css). Default false.
  57	 *     @type bool|array $tinymce           Whether to load TinyMCE. Can be used to pass settings directly to
  58	 *                                         TinyMCE using an array. Default true.
  59	 *     @type bool|array $quicktags         Whether to load Quicktags. Can be used to pass settings directly to
  60	 *                                         Quicktags using an array. Default true.
  61	 * }
  62	 * @return array Parsed arguments array.
  63	 */
  64	public static function parse_settings( $editor_id, $settings ) {
  65
  66		/**
  67		 * Filter the wp_editor() settings.
  68		 *
  69		 * @since 4.0.0
  70		 *
  71		 * @see _WP_Editors()::parse_settings()
  72		 *
  73		 * @param array  $settings  Array of editor arguments.
  74		 * @param string $editor_id ID for the current editor instance.
  75		 */
  76		$settings = apply_filters( 'wp_editor_settings', $settings, $editor_id );
  77
  78		$set = wp_parse_args( $settings, array(
  79			'wpautop'             => true,
  80			'media_buttons'       => true,
  81			'default_editor'      => '',
  82			'drag_drop_upload'    => false,
  83			'textarea_name'       => $editor_id,
  84			'textarea_rows'       => 20,
  85			'tabindex'            => '',
  86			'tabfocus_elements'   => ':prev,:next',
  87			'editor_css'          => '',
  88			'editor_class'        => '',
  89			'teeny'               => false,
  90			'dfw'                 => false,
  91			'_content_editor_dfw' => false,
  92			'tinymce'             => true,
  93			'quicktags'           => true
  94		) );
  95
  96		self::$this_tinymce = ( $set['tinymce'] && user_can_richedit() );
  97
  98		if ( self::$this_tinymce ) {
  99			if ( false !== strpos( $editor_id, '[' ) ) {
 100				self::$this_tinymce = false;
 101				_deprecated_argument( 'wp_editor()', '3.9', 'TinyMCE editor IDs cannot have brackets.' );
 102			}
 103		}
 104
 105		self::$this_quicktags = (bool) $set['quicktags'];
 106
 107		if ( self::$this_tinymce )
 108			self::$has_tinymce = true;
 109
 110		if ( self::$this_quicktags )
 111			self::$has_quicktags = true;
 112
 113		if ( empty( $set['editor_height'] ) )
 114			return $set;
 115
 116		if ( 'content' === $editor_id && empty( $set['tinymce']['wp_autoresize_on'] ) ) {
 117			// A cookie (set when a user resizes the editor) overrides the height.
 118			$cookie = (int) get_user_setting( 'ed_size' );
 119
 120			// Upgrade an old TinyMCE cookie if it is still around, and the new one isn't.
 121			if ( ! $cookie && isset( $_COOKIE['TinyMCE_content_size'] ) ) {
 122				parse_str( $_COOKIE['TinyMCE_content_size'], $cookie );
 123 				$cookie = $cookie['ch'];
 124			}
 125
 126			if ( $cookie )
 127				$set['editor_height'] = $cookie;
 128		}
 129
 130		if ( $set['editor_height'] < 50 )
 131			$set['editor_height'] = 50;
 132		elseif ( $set['editor_height'] > 5000 )
 133			$set['editor_height'] = 5000;
 134
 135		return $set;
 136	}
 137
 138	/**
 139	 * Outputs the HTML for a single instance of the editor.
 140	 *
 141	 * @param string $content The initial content of the editor.
 142	 * @param string $editor_id ID for the textarea and TinyMCE and Quicktags instances (can contain only ASCII letters and numbers).
 143	 * @param array $settings See the _parse_settings() method for description.
 144	 */
 145	public static function editor( $content, $editor_id, $settings = array() ) {
 146
 147		$set = self::parse_settings( $editor_id, $settings );
 148		$editor_class = ' class="' . trim( $set['editor_class'] . ' wp-editor-area' ) . '"';
 149		$tabindex = $set['tabindex'] ? ' tabindex="' . (int) $set['tabindex'] . '"' : '';
 150		$switch_class = 'html-active';
 151		$toolbar = $buttons = $autocomplete = '';
 152
 153		if ( $set['drag_drop_upload'] ) {
 154			self::$drag_drop_upload = true;
 155		}
 156
 157		if ( ! empty( $set['editor_height'] ) )
 158			$height = ' style="height: ' . $set['editor_height'] . 'px"';
 159		else
 160			$height = ' rows="' . $set['textarea_rows'] . '"';
 161
 162		if ( !current_user_can( 'upload_files' ) )
 163			$set['media_buttons'] = false;
 164
 165		if ( ! self::$this_quicktags && self::$this_tinymce ) {
 166			$switch_class = 'tmce-active';
 167			$autocomplete = ' autocomplete="off"';
 168		} elseif ( self::$this_quicktags && self::$this_tinymce ) {
 169			$default_editor = $set['default_editor'] ? $set['default_editor'] : wp_default_editor();
 170			$autocomplete = ' autocomplete="off"';
 171
 172			// 'html' is used for the "Text" editor tab.
 173			if ( 'html' === $default_editor ) {
 174				add_filter('the_editor_content', 'wp_htmledit_pre');
 175				$switch_class = 'html-active';
 176			} else {
 177				add_filter('the_editor_content', 'wp_richedit_pre');
 178				$switch_class = 'tmce-active';
 179			}
 180
 181			$buttons .= '<button type="button" id="' . $editor_id . '-tmce" class="wp-switch-editor switch-tmce" onclick="switchEditors.switchto(this);">' . __('Visual') . "</button>\n";
 182			$buttons .= '<button type="button" id="' . $editor_id . '-html" class="wp-switch-editor switch-html" onclick="switchEditors.switchto(this);">' . _x( 'Text', 'Name for the Text editor tab (formerly HTML)' ) . "</button>\n";
 183		}
 184
 185		$wrap_class = 'wp-core-ui wp-editor-wrap ' . $switch_class;
 186
 187		if ( $set['_content_editor_dfw'] ) {
 188			$wrap_class .= ' has-dfw';
 189		}
 190
 191		echo '<div id="wp-' . $editor_id . '-wrap" class="' . $wrap_class . '">';
 192
 193		if ( self::$editor_buttons_css ) {
 194			wp_print_styles('editor-buttons');
 195			self::$editor_buttons_css = false;
 196		}
 197
 198		if ( !empty($set['editor_css']) )
 199			echo $set['editor_css'] . "\n";
 200
 201		if ( !empty($buttons) || $set['media_buttons'] ) {
 202			echo '<div id="wp-' . $editor_id . '-editor-tools" class="wp-editor-tools hide-if-no-js">';
 203
 204			if ( $set['media_buttons'] ) {
 205				self::$has_medialib = true;
 206
 207				if ( !function_exists('media_buttons') )
 208					include(ABSPATH . 'wp-admin/includes/media.php');
 209
 210				echo '<div id="wp-' . $editor_id . '-media-buttons" class="wp-media-buttons">';
 211
 212				/**
 213				 * Fires after the default media button(s) are displayed.
 214				 *
 215				 * @since 2.5.0
 216				 *
 217				 * @param string $editor_id Unique editor identifier, e.g. 'content'.
 218				 */
 219				do_action( 'media_buttons', $editor_id );
 220				echo "</div>\n";
 221			}
 222
 223			echo '<div class="wp-editor-tabs">' . $buttons . "</div>\n";
 224			echo "</div>\n";
 225		}
 226
 227		/**
 228		 * Filter the HTML markup output that displays the editor.
 229		 *
 230		 * @since 2.1.0
 231		 *
 232		 * @param string $output Editor's HTML markup.
 233		 */
 234		$the_editor = apply_filters( 'the_editor', '<div id="wp-' . $editor_id . '-editor-container" class="wp-editor-container">' .
 235			'<textarea' . $editor_class . $height . $tabindex . $autocomplete . ' cols="40" name="' . $set['textarea_name'] . '" ' .
 236			'id="' . $editor_id . '">%s</textarea></div>' );
 237
 238		/**
 239		 * Filter the default editor content.
 240		 *
 241		 * @since 2.1.0
 242		 *
 243		 * @param string $content Default editor content.
 244		 */
 245		$content = apply_filters( 'the_editor_content', $content );
 246
 247		printf( $the_editor, $content );
 248		echo "\n</div>\n\n";
 249
 250		self::editor_settings($editor_id, $set);
 251	}
 252
 253	/**
 254	 * @param string $editor_id
 255	 * @param array  $set
 256	 */
 257	public static function editor_settings($editor_id, $set) {
 258		$first_run = false;
 259
 260		if ( empty(self::$first_init) ) {
 261			if ( is_admin() ) {
 262				add_action( 'admin_print_footer_scripts', array( __CLASS__, 'editor_js' ), 50 );
 263				add_action( 'admin_print_footer_scripts', array( __CLASS__, 'enqueue_scripts' ), 1 );
 264			} else {
 265				add_action( 'wp_print_footer_scripts', array( __CLASS__, 'editor_js' ), 50 );
 266				add_action( 'wp_print_footer_scripts', array( __CLASS__, 'enqueue_scripts' ), 1 );
 267			}
 268		}
 269
 270		if ( self::$this_quicktags ) {
 271
 272			$qtInit = array(
 273				'id' => $editor_id,
 274				'buttons' => ''
 275			);
 276
 277			if ( is_array($set['quicktags']) )
 278				$qtInit = array_merge($qtInit, $set['quicktags']);
 279
 280			if ( empty($qtInit['buttons']) )
 281				$qtInit['buttons'] = 'strong,em,link,block,del,ins,img,ul,ol,li,code,more,close';
 282
 283			if ( $set['dfw'] )
 284				$qtInit['buttons'] .= ',fullscreen';
 285
 286			if ( $set['_content_editor_dfw'] ) {
 287				$qtInit['buttons'] .= ',dfw';
 288			}
 289
 290			/**
 291			 * Filter the Quicktags settings.
 292			 *
 293			 * @since 3.3.0
 294			 *
 295			 * @param array  $qtInit    Quicktags settings.
 296			 * @param string $editor_id The unique editor ID, e.g. 'content'.
 297			 */
 298			$qtInit = apply_filters( 'quicktags_settings', $qtInit, $editor_id );
 299
 300			self::$qt_settings[$editor_id] = $qtInit;
 301
 302			self::$qt_buttons = array_merge( self::$qt_buttons, explode(',', $qtInit['buttons']) );
 303		}
 304
 305		if ( self::$this_tinymce ) {
 306
 307			if ( empty( self::$first_init ) ) {
 308				self::$baseurl = includes_url( 'js/tinymce' );
 309
 310				$mce_locale = get_locale();
 311				self::$mce_locale = $mce_locale = empty( $mce_locale ) ? 'en' : strtolower( substr( $mce_locale, 0, 2 ) ); // ISO 639-1
 312
 313				/** This filter is documented in wp-admin/includes/media.php */
 314				$no_captions = (bool) apply_filters( 'disable_captions', '' );
 315				$first_run = true;
 316				$ext_plugins = '';
 317
 318				if ( $set['teeny'] ) {
 319
 320					/**
 321					 * Filter the list of teenyMCE plugins.
 322					 *
 323					 * @since 2.7.0
 324					 *
 325					 * @param array  $plugins   An array of teenyMCE plugins.
 326					 * @param string $editor_id Unique editor identifier, e.g. 'content'.
 327					 */
 328					self::$plugins = $plugins = apply_filters( 'teeny_mce_plugins', array( 'colorpicker', 'lists', 'fullscreen', 'image', 'wordpress', 'wpeditimage', 'wplink' ), $editor_id );
 329				} else {
 330
 331					/**
 332					 * Filter the list of TinyMCE external plugins.
 333					 *
 334					 * The filter takes an associative array of external plugins for
 335					 * TinyMCE in the form 'plugin_name' => 'url'.
 336					 *
 337					 * The url should be absolute, and should include the js filename
 338					 * to be loaded. For example:
 339					 * 'myplugin' => 'http://mysite.com/wp-content/plugins/myfolder/mce_plugin.js'.
 340					 *
 341					 * If the external plugin adds a button, it should be added with
 342					 * one of the 'mce_buttons' filters.
 343					 *
 344					 * @since 2.5.0
 345					 *
 346					 * @param array $external_plugins An array of external TinyMCE plugins.
 347					 */
 348					$mce_external_plugins = apply_filters( 'mce_external_plugins', array() );
 349
 350					$plugins = array(
 351						'charmap',
 352						'colorpicker',
 353						'hr',
 354						'lists',
 355						'media',
 356						'paste',
 357						'tabfocus',
 358						'textcolor',
 359						'fullscreen',
 360						'wordpress',
 361						'wpautoresize',
 362						'wpeditimage',
 363						'wpgallery',
 364						'wplink',
 365						'wpdialogs',
 366						'wpview',
 367					);
 368
 369					if ( ! self::$has_medialib ) {
 370						$plugins[] = 'image';
 371					}
 372
 373					/**
 374					 * Filter the list of default TinyMCE plugins.
 375					 *
 376					 * The filter specifies which of the default plugins included
 377					 * in WordPress should be added to the TinyMCE instance.
 378					 *
 379					 * @since 3.3.0
 380					 *
 381					 * @param array $plugins An array of default TinyMCE plugins.
 382					 */
 383					$plugins = array_unique( apply_filters( 'tiny_mce_plugins', $plugins ) );
 384
 385					if ( ( $key = array_search( 'spellchecker', $plugins ) ) !== false ) {
 386						// Remove 'spellchecker' from the internal plugins if added with 'tiny_mce_plugins' filter to prevent errors.
 387						// It can be added with 'mce_external_plugins'.
 388						unset( $plugins[$key] );
 389					}
 390
 391					if ( ! empty( $mce_external_plugins ) ) {
 392
 393						/**
 394						 * Filter the translations loaded for external TinyMCE 3.x plugins.
 395						 *
 396						 * The filter takes an associative array ('plugin_name' => 'path')
 397						 * where 'path' is the include path to the file.
 398						 *
 399						 * The language file should follow the same format as wp_mce_translation(),
 400						 * and should define a variable ($strings) that holds all translated strings.
 401						 *
 402						 * @since 2.5.0
 403						 *
 404						 * @param array $translations Translations for external TinyMCE plugins.
 405						 */
 406						$mce_external_languages = apply_filters( 'mce_external_languages', array() );
 407
 408						$loaded_langs = array();
 409						$strings = '';
 410
 411						if ( ! empty( $mce_external_languages ) ) {
 412							foreach ( $mce_external_languages as $name => $path ) {
 413								if ( @is_file( $path ) && @is_readable( $path ) ) {
 414									include_once( $path );
 415									$ext_plugins .= $strings . "\n";
 416									$loaded_langs[] = $name;
 417								}
 418							}
 419						}
 420
 421						foreach ( $mce_external_plugins as $name => $url ) {
 422							if ( in_array( $name, $plugins, true ) ) {
 423								unset( $mce_external_plugins[ $name ] );
 424								continue;
 425							}
 426
 427							$url = set_url_scheme( $url );
 428							$mce_external_plugins[ $name ] = $url;
 429							$plugurl = dirname( $url );
 430							$strings = '';
 431
 432							// Try to load langs/[locale].js and langs/[locale]_dlg.js
 433							if ( ! in_array( $name, $loaded_langs, true ) ) {
 434								$path = str_replace( content_url(), '', $plugurl );
 435								$path = WP_CONTENT_DIR . $path . '/langs/';
 436
 437								if ( function_exists('realpath') )
 438									$path = trailingslashit( realpath($path) );
 439
 440								if ( @is_file( $path . $mce_locale . '.js' ) )
 441									$strings .= @file_get_contents( $path . $mce_locale . '.js' ) . "\n";
 442
 443								if ( @is_file( $path . $mce_locale . '_dlg.js' ) )
 444									$strings .= @file_get_contents( $path . $mce_locale . '_dlg.js' ) . "\n";
 445
 446								if ( 'en' != $mce_locale && empty( $strings ) ) {
 447									if ( @is_file( $path . 'en.js' ) ) {
 448										$str1 = @file_get_contents( $path . 'en.js' );
 449										$strings .= preg_replace( '/([\'"])en\./', '$1' . $mce_locale . '.', $str1, 1 ) . "\n";
 450									}
 451
 452									if ( @is_file( $path . 'en_dlg.js' ) ) {
 453										$str2 = @file_get_contents( $path . 'en_dlg.js' );
 454										$strings .= preg_replace( '/([\'"])en\./', '$1' . $mce_locale . '.', $str2, 1 ) . "\n";
 455									}
 456								}
 457
 458								if ( ! empty( $strings ) )
 459									$ext_plugins .= "\n" . $strings . "\n";
 460							}
 461
 462							$ext_plugins .= 'tinyMCEPreInit.load_ext("' . $plugurl . '", "' . $mce_locale . '");' . "\n";
 463							$ext_plugins .= 'tinymce.PluginManager.load("' . $name . '", "' . $url . '");' . "\n";
 464						}
 465					}
 466				}
 467
 468				if ( $set['dfw'] )
 469					$plugins[] = 'wpfullscreen';
 470
 471				self::$plugins = $plugins;
 472				self::$ext_plugins = $ext_plugins;
 473
 474				self::$first_init = array(
 475					'theme' => 'modern',
 476					'skin' => 'lightgray',
 477					'language' => self::$mce_locale,
 478					'formats' => "{
 479						alignleft: [
 480							{selector: 'p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li', styles: {textAlign:'left'}},
 481							{selector: 'img,table,dl.wp-caption', classes: 'alignleft'}
 482						],
 483						aligncenter: [
 484							{selector: 'p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li', styles: {textAlign:'center'}},
 485							{selector: 'img,table,dl.wp-caption', classes: 'aligncenter'}
 486						],
 487						alignright: [
 488							{selector: 'p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li', styles: {textAlign:'right'}},
 489							{selector: 'img,table,dl.wp-caption', classes: 'alignright'}
 490						],
 491						strikethrough: {inline: 'del'}
 492					}",
 493					'block_formats' =>
 494						'Paragraph=p;' .
 495						'Pre=pre;' .
 496						'Heading 1=h1;' .
 497						'Heading 2=h2;' .
 498						'Heading 3=h3;' .
 499						'Heading 4=h4;' .
 500						'Heading 5=h5;' .
 501						'Heading 6=h6',
 502					'relative_urls' => false,
 503					'remove_script_host' => false,
 504					'convert_urls' => false,
 505					'browser_spellcheck' => true,
 506					'fix_list_elements' => true,
 507					'entities' => '38,amp,60,lt,62,gt',
 508					'entity_encoding' => 'raw',
 509					'keep_styles' => false,
 510					'cache_suffix' => 'wp-mce-' . $GLOBALS['tinymce_version'],
 511
 512					// Limit the preview styles in the menu/toolbar
 513					'preview_styles' => 'font-family font-size font-weight font-style text-decoration text-transform',
 514
 515					'wpeditimage_disable_captions' => $no_captions,
 516					'wpeditimage_html5_captions' => current_theme_supports( 'html5', 'caption' ),
 517					'plugins' => implode( ',', $plugins ),
 518				);
 519
 520				if ( ! empty( $mce_external_plugins ) ) {
 521					self::$first_init['external_plugins'] = wp_json_encode( $mce_external_plugins );
 522				}
 523
 524				$suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
 525				$version = 'ver=' . $GLOBALS['wp_version'];
 526				$dashicons = includes_url( "css/dashicons$suffix.css?$version" );
 527
 528				// WordPress default stylesheet and dashicons
 529				$mce_css = array(
 530					$dashicons,
 531					self::$baseurl . '/skins/wordpress/wp-content.css?' . $version
 532				);
 533
 534				$editor_styles = get_editor_stylesheets();
 535				if ( ! empty( $editor_styles ) ) {
 536					foreach ( $editor_styles as $style ) {
 537						$mce_css[] = $style;
 538					}
 539				}
 540
 541				/**
 542				 * Filter the comma-delimited list of stylesheets to load in TinyMCE.
 543				 *
 544				 * @since 2.1.0
 545				 *
 546				 * @param array $stylesheets Comma-delimited list of stylesheets.
 547				 */
 548				$mce_css = trim( apply_filters( 'mce_css', implode( ',', $mce_css ) ), ' ,' );
 549
 550				if ( ! empty($mce_css) )
 551					self::$first_init['content_css'] = $mce_css;
 552			}
 553
 554			if ( $set['teeny'] ) {
 555
 556				/**
 557				 * Filter the list of teenyMCE buttons (Text tab).
 558				 *
 559				 * @since 2.7.0
 560				 *
 561				 * @param array  $buttons   An array of teenyMCE buttons.
 562				 * @param string $editor_id Unique editor identifier, e.g. 'content'.
 563				 */
 564				$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 );
 565				$mce_buttons_2 = $mce_buttons_3 = $mce_buttons_4 = array();
 566			} else {
 567				$mce_buttons = array( 'bold', 'italic', 'strikethrough', 'bullist', 'numlist', 'blockquote', 'hr', 'alignleft', 'aligncenter', 'alignright', 'link', 'unlink', 'wp_more', 'spellchecker' );
 568
 569				if ( $set['_content_editor_dfw'] ) {
 570					$mce_buttons[] = 'dfw';
 571				} else {
 572					$mce_buttons[] = 'fullscreen';
 573				}
 574
 575				$mce_buttons[] = 'wp_adv';
 576
 577				/**
 578				 * Filter the first-row list of TinyMCE buttons (Visual tab).
 579				 *
 580				 * @since 2.0.0
 581				 *
 582				 * @param array  $buttons   First-row list of buttons.
 583				 * @param string $editor_id Unique editor identifier, e.g. 'content'.
 584				 */
 585				$mce_buttons = apply_filters( 'mce_buttons', $mce_buttons, $editor_id );
 586
 587				/**
 588				 * Filter the second-row list of TinyMCE buttons (Visual tab).
 589				 *
 590				 * @since 2.0.0
 591				 *
 592				 * @param array  $buttons   Second-row list of buttons.
 593				 * @param string $editor_id Unique editor identifier, e.g. 'content'.
 594				 */
 595				$mce_buttons_2 = apply_filters( 'mce_buttons_2', array( 'formatselect', 'underline', 'alignjustify', 'forecolor', 'pastetext', 'removeformat', 'charmap', 'outdent', 'indent', 'undo', 'redo', 'wp_help' ), $editor_id );
 596
 597				/**
 598				 * Filter the third-row list of TinyMCE buttons (Visual tab).
 599				 *
 600				 * @since 2.0.0
 601				 *
 602				 * @param array  $buttons   Third-row list of buttons.
 603				 * @param string $editor_id Unique editor identifier, e.g. 'content'.
 604				 */
 605				$mce_buttons_3 = apply_filters( 'mce_buttons_3', array(), $editor_id );
 606
 607				/**
 608				 * Filter the fourth-row list of TinyMCE buttons (Visual tab).
 609				 *
 610				 * @since 2.5.0
 611				 *
 612				 * @param array  $buttons   Fourth-row list of buttons.
 613				 * @param string $editor_id Unique editor identifier, e.g. 'content'.
 614				 */
 615				$mce_buttons_4 = apply_filters( 'mce_buttons_4', array(), $editor_id );
 616			}
 617
 618			$body_class = $editor_id;
 619
 620			if ( $post = get_post() ) {
 621				$body_class .= ' post-type-' . sanitize_html_class( $post->post_type ) . ' post-status-' . sanitize_html_class( $post->post_status );
 622				if ( post_type_supports( $post->post_type, 'post-formats' ) ) {
 623					$post_format = get_post_format( $post );
 624					if ( $post_format && ! is_wp_error( $post_format ) )
 625						$body_class .= ' post-format-' . sanitize_html_class( $post_format );
 626					else
 627						$body_class .= ' post-format-standard';
 628				}
 629			}
 630
 631			$body_class .= ' locale-' . sanitize_html_class( strtolower( str_replace( '_', '-', get_locale() ) ) );
 632
 633			if ( !empty($set['tinymce']['body_class']) ) {
 634				$body_class .= ' ' . $set['tinymce']['body_class'];
 635				unset($set['tinymce']['body_class']);
 636			}
 637
 638			if ( $set['dfw'] ) {
 639				// replace the first 'fullscreen' with 'wp_fullscreen'
 640				if ( ($key = array_search('fullscreen', $mce_buttons)) !== false )
 641					$mce_buttons[$key] = 'wp_fullscreen';
 642				elseif ( ($key = array_search('fullscreen', $mce_buttons_2)) !== false )
 643					$mce_buttons_2[$key] = 'wp_fullscreen';
 644				elseif ( ($key = array_search('fullscreen', $mce_buttons_3)) !== false )
 645					$mce_buttons_3[$key] = 'wp_fullscreen';
 646				elseif ( ($key = array_search('fullscreen', $mce_buttons_4)) !== false )
 647					$mce_buttons_4[$key] = 'wp_fullscreen';
 648			}
 649
 650			$mceInit = array (
 651				'selector' => "#$editor_id",
 652				'resize' => 'vertical',
 653				'menubar' => false,
 654				'wpautop' => (bool) $set['wpautop'],
 655				'indent' => ! $set['wpautop'],
 656				'toolbar1' => implode($mce_buttons, ','),
 657				'toolbar2' => implode($mce_buttons_2, ','),
 658				'toolbar3' => implode($mce_buttons_3, ','),
 659				'toolbar4' => implode($mce_buttons_4, ','),
 660				'tabfocus_elements' => $set['tabfocus_elements'],
 661				'body_class' => $body_class
 662			);
 663
 664			if ( $first_run )
 665				$mceInit = array_merge( self::$first_init, $mceInit );
 666
 667			if ( is_array( $set['tinymce'] ) )
 668				$mceInit = array_merge( $mceInit, $set['tinymce'] );
 669
 670			/*
 671			 * For people who really REALLY know what they're doing with TinyMCE
 672			 * You can modify $mceInit to add, remove, change elements of the config
 673			 * before tinyMCE.init. Setting "valid_elements", "invalid_elements"
 674			 * and "extended_valid_elements" can be done through this filter. Best
 675			 * is to use the default cleanup by not specifying valid_elements,
 676			 * as TinyMCE contains full set of XHTML 1.0.
 677			 */
 678			if ( $set['teeny'] ) {
 679
 680				/**
 681				 * Filter the teenyMCE config before init.
 682				 *
 683				 * @since 2.7.0
 684				 *
 685				 * @param array  $mceInit   An array with teenyMCE config.
 686				 * @param string $editor_id Unique editor identifier, e.g. 'content'.
 687				 */
 688				$mceInit = apply_filters( 'teeny_mce_before_init', $mceInit, $editor_id );
 689			} else {
 690
 691				/**
 692				 * Filter the TinyMCE config before init.
 693				 *
 694				 * @since 2.5.0
 695				 *
 696				 * @param array  $mceInit   An array with TinyMCE config.
 697				 * @param string $editor_id Unique editor identifier, e.g. 'content'.
 698				 */
 699				$mceInit = apply_filters( 'tiny_mce_before_init', $mceInit, $editor_id );
 700			}
 701
 702			if ( empty( $mceInit['toolbar3'] ) && ! empty( $mceInit['toolbar4'] ) ) {
 703				$mceInit['toolbar3'] = $mceInit['toolbar4'];
 704				$mceInit['toolbar4'] = '';
 705			}
 706
 707			self::$mce_settings[$editor_id] = $mceInit;
 708		} // end if self::$this_tinymce
 709	}
 710
 711	private static function _parse_init($init) {
 712		$options = '';
 713
 714		foreach ( $init as $k => $v ) {
 715			if ( is_bool($v) ) {
 716				$val = $v ? 'true' : 'false';
 717				$options .= $k . ':' . $val . ',';
 718				continue;
 719			} elseif ( !empty($v) && is_string($v) && ( ('{' == $v{0} && '}' == $v{strlen($v) - 1}) || ('[' == $v{0} && ']' == $v{strlen($v) - 1}) || preg_match('/^\(?function ?\(/', $v) ) ) {
 720				$options .= $k . ':' . $v . ',';
 721				continue;
 722			}
 723			$options .= $k . ':"' . $v . '",';
 724		}
 725
 726		return '{' . trim( $options, ' ,' ) . '}';
 727	}
 728
 729	public static function enqueue_scripts() {
 730		wp_enqueue_script('word-count');
 731
 732		if ( self::$has_tinymce )
 733			wp_enqueue_script('editor');
 734
 735		if ( self::$has_quicktags ) {
 736			wp_enqueue_script( 'quicktags' );
 737			wp_enqueue_style( 'buttons' );
 738		}
 739
 740		if ( in_array('wplink', self::$plugins, true) || in_array('link', self::$qt_buttons, true) ) {
 741			wp_enqueue_script('wplink');
 742		}
 743
 744		if ( in_array('wpfullscreen', self::$plugins, true) || in_array('fullscreen', self::$qt_buttons, true) )
 745			wp_enqueue_script('wp-fullscreen');
 746
 747		if ( self::$has_medialib ) {
 748			add_thickbox();
 749			wp_enqueue_script('media-upload');
 750		}
 751
 752		/**
 753		 * Fires when scripts and styles are enqueued for the editor.
 754		 *
 755		 * @since 3.9.0
 756		 *
 757		 * @param array $to_load An array containing boolean values whether TinyMCE
 758		 *                       and Quicktags are being loaded.
 759		 */
 760		do_action( 'wp_enqueue_editor', array(
 761			'tinymce'   => self::$has_tinymce,
 762			'quicktags' => self::$has_quicktags,
 763		) );
 764	}
 765
 766	/**
 767	 * Translates the default TinyMCE strings and returns them as JSON encoded object ready to be loaded with tinymce.addI18n().
 768	 * Can be used directly (_WP_Editors::wp_mce_translation()) by passing the same locale as set in the TinyMCE init object.
 769	 *
 770	 * @param string $mce_locale The locale used for the editor.
 771	 * @param bool $json_only optional Whether to include the JavaScript calls to tinymce.addI18n() and tinymce.ScriptLoader.markDone().
 772	 * @return string Translation object, JSON encoded.
 773	 */
 774	public static function wp_mce_translation( $mce_locale = '', $json_only = false ) {
 775
 776		$mce_translation = array(
 777			// Default TinyMCE strings
 778			'New document' => __( 'New document' ),
 779			'Formats' => _x( 'Formats', 'TinyMCE' ),
 780
 781			'Headings' => _x( 'Headings', 'TinyMCE' ),
 782			'Heading 1' => __( 'Heading 1' ),
 783			'Heading 2' => __( 'Heading 2' ),
 784			'Heading 3' => __( 'Heading 3' ),
 785			'Heading 4' => __( 'Heading 4' ),
 786			'Heading 5' => __( 'Heading 5' ),
 787			'Heading 6' => __( 'Heading 6' ),
 788
 789			/* translators: block tags */
 790			'Blocks' => _x( 'Blocks', 'TinyMCE' ),
 791			'Paragraph' => __( 'Paragraph' ),
 792			'Blockquote' => __( 'Blockquote' ),
 793			'Div' => _x( 'Div', 'HTML tag' ),
 794			'Pre' => _x( 'Pre', 'HTML tag' ),
 795			'Address' => _x( 'Address', 'HTML tag' ),
 796
 797			'Inline' => _x( 'Inline', 'HTML elements' ),
 798			'Underline' => __( 'Underline' ),
 799			'Strikethrough' => __( 'Strikethrough' ),
 800			'Subscript' => __( 'Subscript' ),
 801			'Superscript' => __( 'Superscript' ),
 802			'Clear formatting' => __( 'Clear formatting' ),
 803			'Bold' => __( 'Bold' ),
 804			'Italic' => __( 'Italic' ),
 805			'Code' => _x( 'Code', 'editor button' ),
 806			'Source code' => __( 'Source code' ),
 807			'Font Family' => __( 'Font Family' ),
 808			'Font Sizes' => __( 'Font Sizes' ),
 809
 810			'Align center' => __( 'Align center' ),
 811			'Align right' => __( 'Align right' ),
 812			'Align left' => __( 'Align left' ),
 813			'Justify' => __( 'Justify' ),
 814			'Increase indent' => __( 'Increase indent' ),
 815			'Decrease indent' => __( 'Decrease indent' ),
 816
 817			'Cut' => __( 'Cut' ),
 818			'Copy' => __( 'Copy' ),
 819			'Paste' => __( 'Paste' ),
 820			'Select all' => __( 'Select all' ),
 821			'Undo' => __( 'Undo' ),
 822			'Redo' => __( 'Redo' ),
 823
 824			'Ok' => __( 'OK' ),
 825			'Cancel' => __( 'Cancel' ),
 826			'Close' => __( 'Close' ),
 827			'Visual aids' => __( 'Visual aids' ),
 828
 829			'Bullet list' => __( 'Bulleted list' ),
 830			'Numbered list' => __( 'Numbered list' ),
 831			'Square' => _x( 'Square', 'list style' ),
 832			'Default' => _x( 'Default', 'list style' ),
 833			'Circle' => _x( 'Circle', 'list style' ),
 834			'Disc' => _x('Disc', 'list style' ),
 835			'Lower Greek' => _x( 'Lower Greek', 'list style' ),
 836			'Lower Alpha' => _x( 'Lower Alpha', 'list style' ),
 837			'Upper Alpha' => _x( 'Upper Alpha', 'list style' ),
 838			'Upper Roman' => _x( 'Upper Roman', 'list style' ),
 839			'Lower Roman' => _x( 'Lower Roman', 'list style' ),
 840
 841			// Anchor plugin
 842			'Name' => _x( 'Name', 'Name of link anchor (TinyMCE)' ),
 843			'Anchor' => _x( 'Anchor', 'Link anchor (TinyMCE)' ),
 844			'Anchors' => _x( 'Anchors', 'Link anchors (TinyMCE)' ),
 845
 846			// Fullpage plugin
 847			'Document properties' => __( 'Document properties' ),
 848			'Robots' => __( 'Robots' ),
 849			'Title' => __( 'Title' ),
 850			'Keywords' => __( 'Keywords' ),
 851			'Encoding' => __( 'Encoding' ),
 852			'Description' => __( 'Description' ),
 853			'Author' => __( 'Author' ),
 854
 855			// Media, image plugins
 856			'Insert/edit image' => __( 'Insert/edit image' ),
 857			'General' => __( 'General' ),
 858			'Advanced' => __( 'Advanced' ),
 859			'Source' => __( 'Source' ),
 860			'Border' => __( 'Border' ),
 861			'Constrain proportions' => __( 'Constrain proportions' ),
 862			'Vertical space' => __( 'Vertical space' ),
 863			'Image description' => __( 'Image description' ),
 864			'Style' => __( 'Style' ),
 865			'Dimensions' => __( 'Dimensions' ),
 866			'Insert image' => __( 'Insert image' ),
 867			'Insert date/time' => __( 'Insert date/time' ),
 868			'Insert/edit video' => __( 'Insert/edit video' ),
 869			'Poster' => __( 'Poster' ),
 870			'Alternative source' => __( 'Alternative source' ),
 871			'Paste your embed code below:' => __( 'Paste your embed code below:' ),
 872			'Insert video' => __( 'Insert video' ),
 873			'Embed' => __( 'Embed' ),
 874
 875			// Each of these have a corresponding plugin
 876			'Special character' => __( 'Special character' ),
 877			'Right to left' => _x( 'Right to left', 'editor button' ),
 878			'Left to right' => _x( 'Left to right', 'editor button' ),
 879			'Emoticons' => __( 'Emoticons' ),
 880			'Nonbreaking space' => __( 'Nonbreaking space' ),
 881			'Page break' => __( 'Page break' ),
 882			'Paste as text' => __( 'Paste as text' ),
 883			'Preview' => __( 'Preview' ),
 884			'Print' => __( 'Print' ),
 885			'Save' => __( 'Save' ),
 886			'Fullscreen' => __( 'Fullscreen' ),
 887			'Horizontal line' => __( 'Horizontal line' ),
 888			'Horizontal space' => __( 'Horizontal space' ),
 889			'Restore last draft' => __( 'Restore last draft' ),
 890			'Insert/edit link' => __( 'Insert/edit link' ),
 891			'Remove link' => __( 'Remove link' ),
 892
 893			'Color' => __( 'Color' ),
 894			'Custom color' => __( 'Custom color' ),
 895			'Custom...' => _x( 'Custom...', 'label for custom color' ),
 896			'No color' => __( 'No color' ),
 897
 898			// Spelling, search/replace plugins
 899			'Could not find the specified string.' => __( 'Could not find the specified string.' ),
 900			'Replace' => _x( 'Replace', 'find/replace' ),
 901			'Next' => _x( 'Next', 'find/replace' ),
 902			/* translators: previous */
 903			'Prev' => _x( 'Prev', 'find/replace' ),
 904			'Whole words' => _x( 'Whole words', 'find/replace' ),
 905			'Find and replace' => __( 'Find and replace' ),
 906			'Replace with' => _x('Replace with', 'find/replace' ),
 907			'Find' => _x( 'Find', 'find/replace' ),
 908			'Replace all' => _x( 'Replace all', 'find/replace' ),
 909			'Match case' => __( 'Match case' ),
 910			'Spellcheck' => __( 'Check Spelling' ),
 911			'Finish' => _x( 'Finish', 'spellcheck' ),
 912			'Ignore all' => _x( 'Ignore all', 'spellcheck' ),
 913			'Ignore' => _x( 'Ignore', 'spellcheck' ),
 914			'Add to Dictionary' => __( 'Add to Dictionary' ),
 915
 916			// TinyMCE tables
 917			'Insert table' => __( 'Insert table' ),
 918			'Delete table' => __( 'Delete table' ),
 919			'Table properties' => __( 'Table properties' ),
 920			'Row properties' => __( 'Table row properties' ),
 921			'Cell properties' => __( 'Table cell properties' ),
 922			'Border color' => __( 'Border color' ),
 923
 924			'Row' => __( 'Row' ),
 925			'Rows' => __( 'Rows' ),
 926			'Column' => _x( 'Column', 'table column' ),
 927			'Cols' => _x( 'Cols', 'table columns' ),
 928			'Cell' => _x( 'Cell', 'table cell' ),
 929			'Header cell' => __( 'Header cell' ),
 930			'Header' => _x( 'Header', 'table header' ),
 931			'Body' => _x( 'Body', 'table body' ),
 932			'Footer' => _x( 'Footer', 'table footer' ),
 933
 934			'Insert row before' => __( 'Insert row before' ),
 935			'Insert row after' => __( 'Insert row after' ),
 936			'Insert column before' => __( 'Insert column before' ),
 937			'Insert column after' => __( 'Insert column after' ),
 938			'Paste row before' => __( 'Paste table row before' ),
 939			'Paste row after' => __( 'Paste table row after' ),
 940			'Delete row' => __( 'Delete row' ),
 941			'Delete column' => __( 'Delete column' ),
 942			'Cut row' => __( 'Cut table row' ),
 943			'Copy row' => __( 'Copy table row' ),
 944			'Merge cells' => __( 'Merge table cells' ),
 945			'Split cell' => __( 'Split table cell' ),
 946
 947			'Height' => __( 'Height' ),
 948			'Width' => __( 'Width' ),
 949			'Caption' => __( 'Caption' ),
 950			'Alignment' => __( 'Alignment' ),
 951			'H Align' => _x( 'H Align', 'horizontal table cell alignment' ),
 952			'Left' => __( 'Left' ),
 953			'Center' => __( 'Center' ),
 954			'Right' => __( 'Right' ),
 955			'None' => _x( 'None', 'table cell alignment attribute' ),
 956			'V Align' => _x( 'V Align', 'vertical table cell alignment' ),
 957			'Top' => __( 'Top' ),
 958			'Middle' => __( 'Middle' ),
 959			'Bottom' => __( 'Bottom' ),
 960
 961			'Row group' => __( 'Row group' ),
 962			'Column group' => __( 'Column group' ),
 963			'Row type' => __( 'Row type' ),
 964			'Cell type' => __( 'Cell type' ),
 965			'Cell padding' => __( 'Cell padding' ),
 966			'Cell spacing' => __( 'Cell spacing' ),
 967			'Scope' => _x( 'Scope', 'table cell scope attribute' ),
 968
 969			'Insert template' => _x( 'Insert template', 'TinyMCE' ),
 970			'Templates' => _x( 'Templates', 'TinyMCE' ),
 971
 972			'Background color' => __( 'Background color' ),
 973			'Text color' => __( 'Text color' ),
 974			'Show blocks' => _x( 'Show blocks', 'editor button' ),
 975			'Show invisible characters' => __( 'Show invisible characters' ),
 976
 977			/* translators: word count */
 978			'Words: {0}' => sprintf( __( 'Words: %s' ), '{0}' ),
 979			'Paste is now in plain text mode. Contents will now be pasted as plain text until you toggle this option off.' => __( 'Paste is now in plain text mode. Contents will now be pasted as plain text until you toggle this option off.' ) . "\n\n" . __( 'If you&#8217;re looking to paste rich content from Microsoft Word, try turning this option off. The editor will clean up text pasted from Word automatically.' ),
 980			'Rich Text Area. Press ALT-F9 for menu. Press ALT-F10 for toolbar. Press ALT-0 for help' => __( 'Rich Text Area. Press Alt-Shift-H for help' ),
 981			'You have unsaved changes are you sure you want to navigate away?' => __( 'The changes you made will be lost if you navigate away from this page.' ),
 982			'Your browser doesn\'t support direct access to the clipboard. Please use the Ctrl+X/C/V keyboard shortcuts instead.' => __( 'Your browser does not support direct access to the clipboard. Please use keyboard shortcuts or your browser&#8217;s edit menu instead.' ),
 983
 984			// TinyMCE menus
 985			'Insert' => _x( 'Insert', 'TinyMCE menu' ),
 986			'File' => _x( 'File', 'TinyMCE menu' ),
 987			'Edit' => _x( 'Edit', 'TinyMCE menu' ),
 988			'Tools' => _x( 'Tools', 'TinyMCE menu' ),
 989			'View' => _x( 'View', 'TinyMCE menu' ),
 990			'Table' => _x( 'Table', 'TinyMCE menu' ),
 991			'Format' => _x( 'Format', 'TinyMCE menu' ),
 992
 993			// WordPress strings
 994			'Keyboard Shortcuts' => __( 'Keyboard Shortcuts' ),
 995			'Toolbar Toggle' => __( 'Toolbar Toggle' ),
 996			'Insert Read More tag' => __( 'Insert Read More tag' ),
 997			'Read more...' => __( 'Read more...' ), // Title on the placeholder inside the editor
 998			'Distraction-free writing mode' => __( 'Distraction-free writing mode' ),
 999			'No alignment' => __( 'No alignment' ), // Tooltip for the 'alignnone' button in the image toolbar
1000			'Remove' => __( 'Remove' ), // Tooltip for the 'remove' button in the image toolbar
1001			'Edit ' => __( 'Edit' ), // Tooltip for the 'edit' button in the image toolbar
1002		);
1003
1004		/**
1005		 * Link plugin (not included):
1006		 *	Insert link
1007		 *	Target
1008		 *	New window
1009		 *	Text to display
1010		 *	The URL you entered seems to be an email address. Do you want to add the required mailto: prefix?
1011		 *	The URL you entered seems to be an external link. Do you want to add the required http:\/\/ prefix?
1012		 *	Url
1013		 */
1014
1015		if ( ! $mce_locale ) {
1016			$mce_locale = self::$mce_locale;
1017		}
1018
1019		/**
1020		 * Filter translated strings prepared for TinyMCE.
1021		 *
1022		 * @since 3.9.0
1023		 *
1024		 * @param array  $mce_translation Key/value pairs of strings.
1025		 * @param string $mce_locale      Locale.
1026		 */
1027		$mce_translation = apply_filters( 'wp_mce_translation', $mce_translation, $mce_locale );
1028
1029		foreach ( $mce_translation as $key => $value ) {
1030			// Remove strings that are not translated.
1031			if ( $key === $value ) {
1032				unset( $mce_translation[$key] );
1033				continue;
1034			}
1035
1036			if ( false !== strpos( $value, '&' ) ) {
1037				$mce_translation[$key] = html_entity_decode( $value, ENT_QUOTES, 'UTF-8' );
1038			}
1039		}
1040
1041		// Set direction
1042		if ( is_rtl() ) {
1043			$mce_translation['_dir'] = 'rtl';
1044		}
1045
1046		if ( $json_only ) {
1047			return wp_json_encode( $mce_translation );
1048		}
1049
1050		$baseurl = self::$baseurl ? self::$baseurl : includes_url( 'js/tinymce' );
1051
1052		return "tinymce.addI18n( '$mce_locale', " . wp_json_encode( $mce_translation ) . ");\n" .
1053			"tinymce.ScriptLoader.markDone( '$baseurl/langs/$mce_locale.js' );\n";
1054	}
1055
1056	public static function editor_js() {
1057		global $tinymce_version, $concatenate_scripts, $compress_scripts;
1058
1059		/**
1060		 * Filter "tiny_mce_version" is deprecated
1061		 *
1062		 * The tiny_mce_version filter is not needed since external plugins are loaded directly by TinyMCE.
1063		 * These plugins can be refreshed by appending query string to the URL passed to "mce_external_plugins" filter.
1064		 * If the plugin has a popup dialog, a query string can be added to the button action that opens it (in the plugin's code).
1065		 */
1066		$version = 'ver=' . $tinymce_version;
1067		$tmce_on = !empty(self::$mce_settings);
1068
1069		if ( ! isset($concatenate_scripts) )
1070			script_concat_settings();
1071
1072		$compressed = $compress_scripts && $concatenate_scripts && isset($_SERVER['HTTP_ACCEPT_ENCODING'])
1073			&& false !== stripos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip');
1074
1075		$mceInit = $qtInit = '';
1076		if ( $tmce_on ) {
1077			foreach ( self::$mce_settings as $editor_id => $init ) {
1078				$options = self::_parse_init( $init );
1079				$mceInit .= "'$editor_id':{$options},";
1080			}
1081			$mceInit = '{' . trim($mceInit, ',') . '}';
1082		} else {
1083			$mceInit = '{}';
1084		}
1085
1086		if ( !empty(self::$qt_settings) ) {
1087			foreach ( self::$qt_settings as $editor_id => $init ) {
1088				$options = self::_parse_init( $init );
1089				$qtInit .= "'$editor_id':{$options},";
1090			}
1091			$qtInit = '{' . trim($qtInit, ',') . '}';
1092		} else {
1093			$qtInit = '{}';
1094		}
1095
1096		$ref = array(
1097			'plugins' => implode( ',', self::$plugins ),
1098			'theme' => 'modern',
1099			'language' => self::$mce_locale
1100		);
1101
1102		$suffix = ( defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ) ? '' : '.min';
1103
1104		/**
1105		 * Fires immediately before the TinyMCE settings are printed.
1106		 *
1107		 * @since 3.2.0
1108		 *
1109		 * @param array $mce_settings TinyMCE settings array.
1110		 */
1111		do_action( 'before_wp_tiny_mce', self::$mce_settings );
1112		?>
1113
1114		<script type="text/javascript">
1115		tinyMCEPreInit = {
1116			baseURL: "<?php echo self::$baseurl; ?>",
1117			suffix: "<?php echo $suffix; ?>",
1118			<?php
1119
1120			if ( self::$drag_drop_upload ) {
1121				echo 'dragDropUpload: true,';
1122			}
1123
1124			?>
1125			mceInit: <?php echo $mceInit; ?>,
1126			qtInit: <?php echo $qtInit; ?>,
1127			ref: <?php echo self::_parse_init( $ref ); ?>,
1128			load_ext: function(url,lang){var sl=tinymce.ScriptLoader;sl.markDone(url+'/langs/'+lang+'.js');sl.markDone(url+'/langs/'+lang+'_dlg.js');}
1129		};
1130		</script>
1131		<?php
1132
1133		$baseurl = self::$baseurl;
1134		// Load tinymce.js when running from /src, else load wp-tinymce.js.gz (production) or tinymce.min.js (SCRIPT_DEBUG)
1135		$mce_suffix = false !== strpos( $GLOBALS['wp_version'], '-src' ) ? '' : '.min';
1136
1137		if ( $tmce_on ) {
1138			if ( $compressed ) {
1139				echo "<script type='text/javascript' src='{$baseurl}/wp-tinymce.php?c=1&amp;$version'></script>\n";
1140			} else {
1141				echo "<script type='text/javascript' src='{$baseurl}/tinymce{$mce_suffix}.js?$version'></script>\n";
1142				echo "<script type='text/javascript' src='{$baseurl}/plugins/compat3x/plugin{$suffix}.js?$version'></script>\n";
1143			}
1144
1145			echo "<script type='text/javascript'>\n" . self::wp_mce_translation() . "</script>\n";
1146
1147			if ( self::$ext_plugins ) {
1148				// Load the old-format English strings to prevent unsightly labels in old style popups
1149				echo "<script type='text/javascript' src='{$baseurl}/langs/wp-langs-en.js?$version'></script>\n";
1150			}
1151		}
1152
1153		/**
1154		 * Fires after tinymce.js is loaded, but before any TinyMCE editor
1155		 * instances are created.
1156		 *
1157		 * @since 3.9.0
1158		 *
1159		 * @param array $mce_settings TinyMCE settings array.
1160		 */
1161		do_action( 'wp_tiny_mce_init', self::$mce_settings );
1162
1163		?>
1164		<script type="text/javascript">
1165		<?php
1166
1167		if ( self::$ext_plugins )
1168			echo self::$ext_plugins . "\n";
1169
1170		if ( ! is_admin() )
1171			echo 'var ajaxurl = "' . admin_url( 'admin-ajax.php', 'relative' ) . '";';
1172
1173		?>
1174
1175		( function() {
1176			var init, edId, qtId, firstInit, wrapper;
1177
1178			if ( typeof tinymce !== 'undefined' ) {
1179				for ( edId in tinyMCEPreInit.mceInit ) {
1180					if ( firstInit ) {
1181						init = tinyMCEPreInit.mceInit[edId] = tinymce.extend( {}, firstInit, tinyMCEPreInit.mceInit[edId] );
1182					} else {
1183						init = firstInit = tinyMCEPreInit.mceInit[edId];
1184					}
1185
1186					wrapper = tinymce.DOM.select( '#wp-' + edId + '-wrap' )[0];
1187
1188					if ( ( tinymce.DOM.hasClass( wrapper, 'tmce-active' ) || ! tinyMCEPreInit.qtInit.hasOwnProperty( edId ) ) &&
1189						! init.wp_skip_init ) {
1190
1191						try {
1192							tinymce.init( init );
1193
1194							if ( ! window.wpActiveEditor ) {
1195								window.wpActiveEditor = edId;
1196							}
1197						} catch(e){}
1198					}
1199				}
1200			}
1201
1202			if ( typeof quicktags !== 'undefined' ) {
1203				for ( qtId in tinyMCEPreInit.qtInit ) {
1204					try {
1205						quicktags( tinyMCEPreInit.qtInit[qtId] );
1206
1207						if ( ! window.wpActiveEditor ) {
1208							window.wpActiveEditor = qtId;
1209						}
1210					} catch(e){};
1211				}
1212			}
1213
1214			if ( typeof jQuery !== 'undefined' ) {
1215				jQuery('.wp-editor-wrap').on( 'click.wp-editor', function() {
1216					if ( this.id ) {
1217						window.wpActiveEditor = this.id.slice( 3, -5 );
1218					}
1219				});
1220			} else {
1221				for ( qtId in tinyMCEPreInit.qtInit ) {
1222					document.getElementById( 'wp-' + qtId + '-wrap' ).onclick = function() {
1223						window.wpActiveEditor = this.id.slice( 3, -5 );
1224					}
1225				}
1226			}
1227		}());
1228		</script>
1229		<?php
1230
1231		if ( in_array( 'wplink', self::$plugins, true ) || in_array( 'link', self::$qt_buttons, true ) )
1232			self::wp_link_dialog();
1233
1234		if ( in_array( 'wpfullscreen', self::$plugins, true ) || in_array( 'fullscreen', self::$qt_buttons, true ) )
1235			self::wp_fullscreen_html();
1236
1237		/**
1238		 * Fires after any core TinyMCE editor instances are created.
1239		 *
1240		 * @since 3.2.0
1241		 *
1242		 * @param array $mce_settings TinyMCE settings array.
1243		 */
1244		do_action( 'after_wp_tiny_mce', self::$mce_settings );
1245	}
1246
1247	public static function wp_fullscreen_html() {
1248		global $content_width;
1249		$post = get_post();
1250
1251		$width = isset( $content_width ) && 800 > $content_width ? $content_width : 800;
1252		$width = $width + 22; // compensate for the padding and border
1253		$dfw_width = get_user_setting( 'dfw_width', $width );
1254		$save = isset( $post->post_status ) && $post->post_status == 'publish' ? __('Update') : __('Save');
1255
1256		?>
1257		<div id="wp-fullscreen-body" class="wp-core-ui<?php if ( is_rtl() ) echo ' rtl'; ?>" data-theme-width="<?php echo (int) $width; ?>" data-dfw-width="<?php echo (int) $dfw_width; ?>">
1258		<div id="fullscreen-topbar">
1259			<div id="wp-fullscreen-toolbar">
1260			<div id="wp-fullscreen-close"><a href="#" onclick="wp.editor.fullscreen.off();return false;"><?php _e('Exit fullscreen'); ?></a></div>
1261			<div id="wp-fullscreen-central-toolbar" style="width:<?php echo $width; ?>px;">
1262
1263			<div id="wp-fullscreen-mode-bar">
1264				<div id="wp-fullscreen-modes" class="button-group">
1265					<a class="button wp-fullscreen-mode-tinymce" href="#" onclick="wp.editor.fullscreen.switchmode( 'tinymce' ); return false;"><?php _e( 'Visual' ); ?></a>
1266					<a class="button wp-fullscreen-mode-html" href="#" onclick="wp.editor.fullscreen.switchmode( 'html' ); return false;"><?php _ex( 'Text', 'Name for the Text editor tab (formerly HTML)' ); ?></a>
1267				</div>
1268			</div>
1269
1270			<div id="wp-fullscreen-button-bar"><div id="wp-fullscreen-buttons" class="mce-toolbar">
1271		<?php
1272
1273		$buttons = array(
1274			// format: title, onclick, show in both editors
1275			'bold' => array( 'title' => __('Bold (Ctrl + B)'), 'both' => false ),
1276			'italic' => array( 'title' => __('Italic (Ctrl + I)'), 'both' => false ),
1277			'bullist' => array( 'title' => __('Unordered list (Alt + Shift + U)'), 'both' => false ),
1278			'numlist' => array( 'title' => __('Ordered list (Alt + Shift + O)'), 'both' => false ),
1279			'blockquote' => array( 'title' => __('Blockquote (Alt + Shift + Q)'), 'both' => false ),
1280			'wp-media-library' => array( 'title' => __('Media library (Alt + Shift + M)'), 'both' => true ),
1281			'link' => array( 'title' => __('Insert/edit link (Alt + Shift + A)'), 'both' => true ),
1282			'unlink' => array( 'title' => __('Unlink (Alt + Shift + S)'), 'both' => false ),
1283			'help' => array( 'title' => __('Help (Alt + Shift + H)'), 'both' => false ),
1284		);
1285
1286		/**
1287		 * Filter the list of TinyMCE buttons for the fullscreen
1288		 * 'Distraction-Free Writing' editor.
1289		 *
1290		 * @since 3.2.0
1291		 *
1292		 * @param array $buttons An array of TinyMCE buttons for the DFW editor.
1293		 */
1294		$buttons = apply_filters( 'wp_fullscreen_buttons', $buttons );
1295
1296		foreach ( $buttons as $button => $args ) {
1297			if ( 'separator' == $args ) {
1298				continue;
1299			}
1300
1301			$onclick = ! empty( $args['onclick'] ) ? ' onclick="' . $args['onclick'] . '"' : '';
1302			$title = esc_attr( $args['title'] );
1303			?>
1304
1305			<div class="mce-widget mce-btn<?php if ( $args['both'] ) { ?> wp-fullscreen-both<?php } ?>">
1306			<button type="button" aria-label="<?php echo $title; ?>" title="<?php echo $title; ?>"<?php echo $onclick; ?> id="wp_fs_<?php echo $button; ?>">
1307				<i class="mce-ico mce-i-<?php echo $button; ?>"></i>
1308			</button>
1309			</div>
1310			<?php
1311		}
1312
1313		?>
1314
1315		</div></div>
1316
1317		<div id="wp-fullscreen-save">
1318			<input type="button" class="button button-primary right" value="<?php echo $save; ?>" onclick="wp.editor.fullscreen.save();" />
1319			<span class="wp-fullscreen-saved-message"><?php if ( $post->post_status == 'publish' ) _e('Updated.'); else _e('Saved.'); ?></span>
1320			<span class="wp-fullscreen-error-message"><?php _e('Save failed.'); ?></span>
1321			<span class="spinner"></span>
1322		</div>
1323
1324		</div>
1325		</div>
1326	</div>
1327	<div id="wp-fullscreen-statusbar">
1328		<div id="wp-fullscreen-status">
1329			<div id="wp-fullscreen-count"><?php printf( __( 'Word count: %s' ), '<span class="word-count">0</span>' ); ?></div>
1330			<div id="wp-fullscreen-tagline"><?php _e('Just write.'); ?></div>
1331		</div>
1332	</div>
1333	</div>
1334
1335	<div class="fullscreen-overlay" id="fullscreen-overlay"></div>
1336	<div class="fullscreen-overlay fullscreen-fader fade-300" id="fullscreen-fader"></div>
1337	<?php
1338	}
1339
1340	/**
1341	 * Performs post queries for internal linking.
1342	 *
1343	 * @since 3.1.0
1344	 *
1345	 * @param array $args Optional. Accepts 'pagenum' and 's' (search) arguments.
1346	 * @return false|array Results.
1347	 */
1348	public static function wp_link_query( $args = array() ) {
1349		$pts = get_post_types( array( 'public' => true ), 'objects' );
1350		$pt_names = array_keys( $pts );
1351
1352		$query = array(
1353			'post_type' => $pt_names,
1354			'suppress_filters' => true,
1355			'update_post_term_cache' => false,
1356			'update_post_meta_cache' => false,
1357			'post_status' => 'publish',
1358			'posts_per_page' => 20,
1359		);
1360
1361		$args['pagenum'] = isset( $args['pagenum'] ) ? absint( $args['pagenum'] ) : 1;
1362
1363		if ( isset( $args['s'] ) )
1364			$query['s'] = $args['s'];
1365
1366		$query['offset'] = $args['pagenum'] > 1 ? $query['posts_per_page'] * ( $args['pagenum'] - 1 ) : 0;
1367
1368		/**
1369		 * Filter the link query arguments.
1370		 *
1371		 * Allows modification of the link query arguments before querying.
1372		 *
1373		 * @see WP_Query for a full list of arguments
1374		 *
1375		 * @since 3.7.0
1376		 *
1377		 * @param array $query An array of WP_Query arguments.
1378		 */
1379		$query = apply_filters( 'wp_link_query_args', $query );
1380
1381		// Do main query.
1382		$get_posts = new WP_Query;
1383		$posts = $get_posts->query( $query );
1384		// Check if any posts were found.
1385		if ( ! $get_posts->post_count )
1386			return false;
1387
1388		// Build results.
1389		$results = array();
1390		foreach ( $posts as $post ) {
1391			if ( 'post' == $post->post_type )
1392				$info = mysql2date( __( 'Y/m/d' ), $post->post_date );
1393			else
1394				$info = $pts[ $post->post_type ]->labels->singular_name;
1395
1396			$results[] = array(
1397				'ID' => $post->ID,
1398				'title' => trim( esc_html( strip_tags( get_the_title( $post ) ) ) ),
1399				'permalink' => get_permalink( $post->ID ),
1400				'info' => $info,
1401			);
1402		}
1403
1404		/**
1405		 * Filter the link query results.
1406		 *
1407		 * Allows modification of the returned link query results.
1408		 *
1409		 * @since 3.7.0
1410		 *
1411		 * @see 'wp_link_query_args' filter
1412		 *
1413		 * @param array $results {
1414		 *     An associative array of query results.
1415	

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