+/**
+ * Save draft or manually autosave for showing preview.
+ *
+ * @package WordPress
+ * @since 2.7.0
+ *
+ * @uses wp_write_post()
+ * @uses edit_post()
+ * @uses get_post()
+ * @uses current_user_can()
+ * @uses wp_create_post_autosave()
+ *
+ * @return str URL to redirect to show the preview
+ */
+function post_preview() {
+
+ $post_ID = (int) $_POST['post_ID'];
+ $status = get_post_status( $post_ID );
+ if ( 'auto-draft' == $status )
+ wp_die( __('Preview not available. Please save as a draft first.') );
+
+ if ( isset($_POST['catslist']) )
+ $_POST['post_category'] = explode(",", $_POST['catslist']);
+
+ if ( isset($_POST['tags_input']) )
+ $_POST['tags_input'] = explode(",", $_POST['tags_input']);
+
+ if ( $_POST['post_type'] == 'page' || empty($_POST['post_category']) )
+ unset($_POST['post_category']);
+
+ $_POST['ID'] = $post_ID;
+ $post = get_post($post_ID);
+
+ if ( 'page' == $post->post_type ) {
+ if ( !current_user_can('edit_page', $post_ID) )
+ wp_die(__('You are not allowed to edit this page.'));
+ } else {
+ if ( !current_user_can('edit_post', $post_ID) )
+ wp_die(__('You are not allowed to edit this post.'));
+ }
+
+ if ( 'draft' == $post->post_status ) {
+ $id = edit_post();
+ } else { // Non drafts are not overwritten. The autosave is stored in a special post revision.
+ $id = wp_create_post_autosave( $post->ID );
+ if ( ! is_wp_error($id) )
+ $id = $post->ID;
+ }
+
+ if ( is_wp_error($id) )
+ wp_die( $id->get_error_message() );
+
+ if ( $_POST['post_status'] == 'draft' ) {
+ $url = add_query_arg( 'preview', 'true', get_permalink($id) );
+ } else {
+ $nonce = wp_create_nonce('post_preview_' . $id);
+ $url = add_query_arg( array( 'preview' => 'true', 'preview_id' => $id, 'preview_nonce' => $nonce ), get_permalink($id) );
+ }
+
+ return $url;
+}
+
+/**
+ * Adds the TinyMCE editor used on the Write and Edit screens.
+ *
+ * @package WordPress
+ * @since 2.7.0
+ *
+ * TinyMCE is loaded separately from other Javascript by using wp-tinymce.php. It outputs concatenated
+ * and optionaly pre-compressed version of the core and all default plugins. Additional plugins are loaded
+ * directly by TinyMCE using non-blocking method. Custom plugins can be refreshed by adding a query string
+ * to the URL when queueing them with the mce_external_plugins filter.
+ *
+ * @param bool $teeny optional Output a trimmed down version used in Press This.
+ * @param mixed $settings optional An array that can add to or overwrite the default TinyMCE settings.
+ */
+function wp_tiny_mce( $teeny = false, $settings = false ) {
+ global $concatenate_scripts, $compress_scripts, $tinymce_version, $editor_styles;
+
+ if ( ! user_can_richedit() )
+ return;
+
+ $baseurl = includes_url('js/tinymce');
+
+ $mce_locale = ( '' == get_locale() ) ? 'en' : strtolower( substr(get_locale(), 0, 2) ); // only ISO 639-1
+
+ /*
+ The following filter allows localization scripts to change the languages displayed in the spellchecker's drop-down menu.
+ By default it uses Google's spellchecker API, but can be configured to use PSpell/ASpell if installed on the server.
+ The + sign marks the default language. More information:
+ http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/spellchecker
+ */
+ $mce_spellchecker_languages = apply_filters('mce_spellchecker_languages', '+English=en,Danish=da,Dutch=nl,Finnish=fi,French=fr,German=de,Italian=it,Polish=pl,Portuguese=pt,Spanish=es,Swedish=sv');
+
+ if ( $teeny ) {
+ $plugins = apply_filters( 'teeny_mce_plugins', array('inlinepopups', 'fullscreen', 'wordpress', 'wplink', 'wpdialogs') );
+ $ext_plugins = '';
+ } else {
+ $plugins = array( 'inlinepopups', 'spellchecker', 'paste', 'wordpress', 'fullscreen', 'wpeditimage', 'wpgallery', 'tabfocus', 'wplink', 'wpdialogs' );
+
+ /*
+ The following filter takes an associative array of external plugins for TinyMCE in the form 'plugin_name' => 'url'.
+ It adds the plugin's name to TinyMCE's plugins init and the call to PluginManager to load the plugin.
+ The url should be absolute and should include the js file name to be loaded. Example:
+ array( 'myplugin' => 'http://my-site.com/wp-content/plugins/myfolder/mce_plugin.js' )
+ If the plugin uses a button, it should be added with one of the "$mce_buttons" filters.
+ */
+ $mce_external_plugins = apply_filters('mce_external_plugins', array());
+
+ $ext_plugins = '';
+ if ( ! empty($mce_external_plugins) ) {
+
+ /*
+ The following filter loads external language files for TinyMCE plugins.
+ It takes an associative array 'plugin_name' => 'path', where path is the
+ include path to the file. The language file should follow the same format as
+ /tinymce/langs/wp-langs.php and should define a variable $strings that
+ holds all translated strings.
+ When this filter is not used, the function will try to load {mce_locale}.js.
+ If that is not found, en.js will be tried next.
+ */
+ $mce_external_languages = apply_filters('mce_external_languages', array());
+
+ $loaded_langs = array();
+ $strings = '';
+
+ if ( ! empty($mce_external_languages) ) {
+ foreach ( $mce_external_languages as $name => $path ) {
+ if ( @is_file($path) && @is_readable($path) ) {
+ include_once($path);
+ $ext_plugins .= $strings . "\n";
+ $loaded_langs[] = $name;
+ }
+ }
+ }
+
+ foreach ( $mce_external_plugins as $name => $url ) {
+
+ if ( is_ssl() ) $url = str_replace('http://', 'https://', $url);
+
+ $plugins[] = '-' . $name;
+
+ $plugurl = dirname($url);
+ $strings = $str1 = $str2 = '';
+ if ( ! in_array($name, $loaded_langs) ) {
+ $path = str_replace( WP_PLUGIN_URL, '', $plugurl );
+ $path = WP_PLUGIN_DIR . $path . '/langs/';
+
+ if ( function_exists('realpath') )
+ $path = trailingslashit( realpath($path) );
+
+ if ( @is_file($path . $mce_locale . '.js') )
+ $strings .= @file_get_contents($path . $mce_locale . '.js') . "\n";
+
+ if ( @is_file($path . $mce_locale . '_dlg.js') )
+ $strings .= @file_get_contents($path . $mce_locale . '_dlg.js') . "\n";
+
+ if ( 'en' != $mce_locale && empty($strings) ) {
+ if ( @is_file($path . 'en.js') ) {
+ $str1 = @file_get_contents($path . 'en.js');
+ $strings .= preg_replace( '/([\'"])en\./', '$1' . $mce_locale . '.', $str1, 1 ) . "\n";
+ }
+
+ if ( @is_file($path . 'en_dlg.js') ) {
+ $str2 = @file_get_contents($path . 'en_dlg.js');
+ $strings .= preg_replace( '/([\'"])en\./', '$1' . $mce_locale . '.', $str2, 1 ) . "\n";
+ }
+ }
+
+ if ( ! empty($strings) )
+ $ext_plugins .= "\n" . $strings . "\n";
+ }
+
+ $ext_plugins .= 'tinyMCEPreInit.load_ext("' . $plugurl . '", "' . $mce_locale . '");' . "\n";
+ $ext_plugins .= 'tinymce.PluginManager.load("' . $name . '", "' . $url . '");' . "\n";
+ }
+ }
+ }
+
+ if ( $teeny ) {
+ $mce_buttons = apply_filters( 'teeny_mce_buttons', array('bold, italic, underline, blockquote, separator, strikethrough, bullist, numlist,justifyleft, justifycenter, justifyright, undo, redo, link, unlink, fullscreen') );
+ $mce_buttons = implode($mce_buttons, ',');
+ $mce_buttons_2 = $mce_buttons_3 = $mce_buttons_4 = '';
+ } else {
+ $mce_buttons = apply_filters('mce_buttons', array('bold', 'italic', 'strikethrough', '|', 'bullist', 'numlist', 'blockquote', '|', 'justifyleft', 'justifycenter', 'justifyright', '|', 'link', 'unlink', 'wp_more', '|', 'spellchecker', 'fullscreen', 'wp_adv' ));
+ $mce_buttons = implode($mce_buttons, ',');
+
+ $mce_buttons_2 = array( 'formatselect', 'underline', 'justifyfull', 'forecolor', '|', 'pastetext', 'pasteword', 'removeformat', '|', 'charmap', '|', 'outdent', 'indent', '|', 'undo', 'redo', 'wp_help' );
+ $mce_buttons_2 = apply_filters('mce_buttons_2', $mce_buttons_2);
+ $mce_buttons_2 = implode($mce_buttons_2, ',');
+
+ $mce_buttons_3 = apply_filters('mce_buttons_3', array());
+ $mce_buttons_3 = implode($mce_buttons_3, ',');
+
+ $mce_buttons_4 = apply_filters('mce_buttons_4', array());
+ $mce_buttons_4 = implode($mce_buttons_4, ',');
+ }
+ $no_captions = (bool) apply_filters( 'disable_captions', '' );
+
+ // TinyMCE init settings
+ $initArray = array (
+ 'mode' => 'specific_textareas',
+ 'editor_selector' => 'theEditor',
+ 'width' => '100%',
+ 'theme' => 'advanced',
+ 'skin' => 'wp_theme',
+ 'theme_advanced_buttons1' => $mce_buttons,
+ 'theme_advanced_buttons2' => $mce_buttons_2,
+ 'theme_advanced_buttons3' => $mce_buttons_3,
+ 'theme_advanced_buttons4' => $mce_buttons_4,
+ 'language' => $mce_locale,
+ 'spellchecker_languages' => $mce_spellchecker_languages,
+ 'theme_advanced_toolbar_location' => 'top',
+ 'theme_advanced_toolbar_align' => 'left',
+ 'theme_advanced_statusbar_location' => 'bottom',
+ 'theme_advanced_resizing' => true,
+ 'theme_advanced_resize_horizontal' => false,
+ 'dialog_type' => 'modal',
+ 'formats' => "{
+ alignleft : [
+ {selector : 'p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li', styles : {textAlign : 'left'}},
+ {selector : 'img,table', classes : 'alignleft'}
+ ],
+ aligncenter : [
+ {selector : 'p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li', styles : {textAlign : 'center'}},
+ {selector : 'img,table', classes : 'aligncenter'}
+ ],
+ alignright : [
+ {selector : 'p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li', styles : {textAlign : 'right'}},
+ {selector : 'img,table', classes : 'alignright'}
+ ],
+ strikethrough : {inline : 'del'}
+ }",
+ 'relative_urls' => false,
+ 'remove_script_host' => false,
+ 'convert_urls' => false,
+ 'apply_source_formatting' => false,
+ 'remove_linebreaks' => true,
+ 'gecko_spellcheck' => true,
+ 'entities' => '38,amp,60,lt,62,gt',
+ 'accessibility_focus' => true,
+ 'tabfocus_elements' => 'major-publishing-actions',
+ 'media_strict' => false,
+ 'paste_remove_styles' => true,
+ 'paste_remove_spans' => true,
+ 'paste_strip_class_attributes' => 'all',
+ 'paste_text_use_dialog' => true,
+ 'wpeditimage_disable_captions' => $no_captions,
+ 'plugins' => implode( ',', $plugins ),
+ );
+
+ if ( ! empty( $editor_styles ) && is_array( $editor_styles ) ) {
+ $mce_css = array();
+ $style_uri = get_stylesheet_directory_uri();
+ if ( ! is_child_theme() ) {
+ foreach ( $editor_styles as $file )
+ $mce_css[] = "$style_uri/$file";
+ } else {
+ $style_dir = get_stylesheet_directory();
+ $template_uri = get_template_directory_uri();
+ $template_dir = get_template_directory();
+ foreach ( $editor_styles as $file ) {
+ if ( file_exists( "$template_dir/$file" ) )
+ $mce_css[] = "$template_uri/$file";
+ if ( file_exists( "$style_dir/$file" ) )
+ $mce_css[] = "$style_uri/$file";
+ }
+ }
+ $mce_css = implode( ',', $mce_css );
+ } else {
+ $mce_css = '';
+ }
+
+ $mce_css = trim( apply_filters( 'mce_css', $mce_css ), ' ,' );
+
+ if ( ! empty($mce_css) )
+ $initArray['content_css'] = $mce_css;
+
+ if ( is_array($settings) )
+ $initArray = array_merge($initArray, $settings);
+
+ // For people who really REALLY know what they're doing with TinyMCE
+ // You can modify initArray to add, remove, change elements of the config before tinyMCE.init
+ // Setting "valid_elements", "invalid_elements" and "extended_valid_elements" can be done through "tiny_mce_before_init".
+ // Best is to use the default cleanup by not specifying valid_elements, as TinyMCE contains full set of XHTML 1.0.
+ if ( $teeny ) {
+ $initArray = apply_filters('teeny_mce_before_init', $initArray);
+ } else {
+ $initArray = apply_filters('tiny_mce_before_init', $initArray);
+ }
+
+ if ( empty($initArray['theme_advanced_buttons3']) && !empty($initArray['theme_advanced_buttons4']) ) {
+ $initArray['theme_advanced_buttons3'] = $initArray['theme_advanced_buttons4'];
+ $initArray['theme_advanced_buttons4'] = '';
+ }
+
+ if ( ! isset($concatenate_scripts) )
+ script_concat_settings();
+
+ $language = $initArray['language'];
+
+ $compressed = $compress_scripts && $concatenate_scripts && isset($_SERVER['HTTP_ACCEPT_ENCODING'])
+ && false !== strpos( strtolower($_SERVER['HTTP_ACCEPT_ENCODING']), 'gzip');
+
+ /**
+ * Deprecated
+ *
+ * The tiny_mce_version filter is not needed since external plugins are loaded directly by TinyMCE.
+ * These plugins can be refreshed by appending query string to the URL passed to mce_external_plugins filter.
+ * 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).
+ */
+ $version = apply_filters('tiny_mce_version', '');
+ $version = 'ver=' . $tinymce_version . $version;
+
+ if ( 'en' != $language )
+ include_once(ABSPATH . WPINC . '/js/tinymce/langs/wp-langs.php');
+
+ $mce_options = '';
+ foreach ( $initArray as $k => $v ) {
+ if ( is_bool($v) ) {
+ $val = $v ? 'true' : 'false';
+ $mce_options .= $k . ':' . $val . ', ';
+ continue;
+ } elseif ( !empty($v) && is_string($v) && ( '{' == $v{0} || '[' == $v{0} ) ) {
+ $mce_options .= $k . ':' . $v . ', ';
+ continue;
+ }
+
+ $mce_options .= $k . ':"' . $v . '", ';
+ }
+
+ $mce_options = rtrim( trim($mce_options), '\n\r,' ); ?>
+
+<script type="text/javascript">
+/* <![CDATA[ */
+tinyMCEPreInit = {
+ base : "<?php echo $baseurl; ?>",
+ suffix : "",
+ query : "<?php echo $version; ?>",
+ mceInit : {<?php echo $mce_options; ?>},
+ load_ext : function(url,lang){var sl=tinymce.ScriptLoader;sl.markDone(url+'/langs/'+lang+'.js');sl.markDone(url+'/langs/'+lang+'_dlg.js');}
+};
+/* ]]> */
+</script>
+
+<?php
+ if ( $compressed )
+ echo "<script type='text/javascript' src='$baseurl/wp-tinymce.php?c=1&$version'></script>\n";
+ else
+ echo "<script type='text/javascript' src='$baseurl/tiny_mce.js?$version'></script>\n";
+
+ if ( 'en' != $language && isset($lang) )
+ echo "<script type='text/javascript'>\n$lang\n</script>\n";
+ else
+ echo "<script type='text/javascript' src='$baseurl/langs/wp-langs-en.js?$version'></script>\n";