1
by Jacek Nykis
Initial commit |
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<?php
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/**
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* Theme, template, and stylesheet functions.
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*
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* @package WordPress
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* @subpackage Theme
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*/
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/**
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* Returns an array of WP_Theme objects based on the arguments.
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*
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* Despite advances over get_themes(), this function is quite expensive, and grows
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* linearly with additional themes. Stick to wp_get_theme() if possible.
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*
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* @since 3.4.0
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*
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* @param array $args The search arguments. Optional.
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* - errors mixed True to return themes with errors, false to return themes without errors, null
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* to return all themes. Defaults to false.
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* - allowed mixed (Multisite) True to return only allowed themes for a site. False to return only
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* disallowed themes for a site. 'site' to return only site-allowed themes. 'network'
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* to return only network-allowed themes. Null to return all themes. Defaults to null.
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* - blog_id int (Multisite) The blog ID used to calculate which themes are allowed. Defaults to 0,
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* synonymous for the current blog.
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* @return Array of WP_Theme objects.
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*/
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function wp_get_themes( $args = array() ) { |
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global $wp_theme_directories; |
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$defaults = array( 'errors' => false, 'allowed' => null, 'blog_id' => 0 ); |
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$args = wp_parse_args( $args, $defaults ); |
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$theme_directories = search_theme_directories(); |
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if ( count( $wp_theme_directories ) > 1 ) { |
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// Make sure the current theme wins out, in case search_theme_directories() picks the wrong
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// one in the case of a conflict. (Normally, last registered theme root wins.)
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$current_theme = get_stylesheet(); |
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if ( isset( $theme_directories[ $current_theme ] ) ) { |
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$root_of_current_theme = get_raw_theme_root( $current_theme ); |
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if ( ! in_array( $root_of_current_theme, $wp_theme_directories ) ) |
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$root_of_current_theme = WP_CONTENT_DIR . $root_of_current_theme; |
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$theme_directories[ $current_theme ]['theme_root'] = $root_of_current_theme; |
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}
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}
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if ( empty( $theme_directories ) ) |
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return array(); |
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if ( is_multisite() && null !== $args['allowed'] ) { |
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$allowed = $args['allowed']; |
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if ( 'network' === $allowed ) |
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$theme_directories = array_intersect_key( $theme_directories, WP_Theme::get_allowed_on_network() ); |
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elseif ( 'site' === $allowed ) |
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$theme_directories = array_intersect_key( $theme_directories, WP_Theme::get_allowed_on_site( $args['blog_id'] ) ); |
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elseif ( $allowed ) |
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$theme_directories = array_intersect_key( $theme_directories, WP_Theme::get_allowed( $args['blog_id'] ) ); |
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else
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$theme_directories = array_diff_key( $theme_directories, WP_Theme::get_allowed( $args['blog_id'] ) ); |
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}
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$themes = array(); |
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static $_themes = array(); |
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foreach ( $theme_directories as $theme => $theme_root ) { |
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if ( isset( $_themes[ $theme_root['theme_root'] . '/' . $theme ] ) ) |
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$themes[ $theme ] = $_themes[ $theme_root['theme_root'] . '/' . $theme ]; |
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else
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$themes[ $theme ] = $_themes[ $theme_root['theme_root'] . '/' . $theme ] = new WP_Theme( $theme, $theme_root['theme_root'] ); |
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}
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if ( null !== $args['errors'] ) { |
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foreach ( $themes as $theme => $wp_theme ) { |
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if ( $wp_theme->errors() != $args['errors'] ) |
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unset( $themes[ $theme ] ); |
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}
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}
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return $themes; |
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}
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/**
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* Gets a WP_Theme object for a theme.
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*
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* @since 3.4.0
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*
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* @param string $stylesheet Directory name for the theme. Optional. Defaults to current theme.
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* @param string $theme_root Absolute path of the theme root to look in. Optional. If not specified, get_raw_theme_root()
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* is used to calculate the theme root for the $stylesheet provided (or current theme).
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* @return WP_Theme Theme object. Be sure to check the object's exists() method if you need to confirm the theme's existence.
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*/
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function wp_get_theme( $stylesheet = null, $theme_root = null ) { |
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global $wp_theme_directories; |
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if ( empty( $stylesheet ) ) |
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$stylesheet = get_stylesheet(); |
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if ( empty( $theme_root ) ) { |
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$theme_root = get_raw_theme_root( $stylesheet ); |
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if ( false === $theme_root ) |
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$theme_root = WP_CONTENT_DIR . '/themes'; |
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elseif ( ! in_array( $theme_root, (array) $wp_theme_directories ) ) |
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$theme_root = WP_CONTENT_DIR . $theme_root; |
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}
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return new WP_Theme( $stylesheet, $theme_root ); |
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}
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/**
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* Clears the cache held by get_theme_roots() and WP_Theme.
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*
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* @since 3.5.0
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* @param bool $clear_update_cache Whether to clear the Theme updates cache
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*/
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function wp_clean_themes_cache( $clear_update_cache = true ) { |
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if ( $clear_update_cache ) |
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delete_site_transient( 'update_themes' ); |
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search_theme_directories( true ); |
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foreach ( wp_get_themes( array( 'errors' => null ) ) as $theme ) |
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$theme->cache_delete(); |
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}
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/**
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* Whether a child theme is in use.
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*
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* @since 3.0.0
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*
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* @return bool true if a child theme is in use, false otherwise.
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**/
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function is_child_theme() { |
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return ( TEMPLATEPATH !== STYLESHEETPATH ); |
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}
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/**
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* Retrieve name of the current stylesheet.
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*
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* The theme name that the administrator has currently set the front end theme
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* as.
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*
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* For all intents and purposes, the template name and the stylesheet name are
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* going to be the same for most cases.
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*
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* @since 1.5.0
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*
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* @return string Stylesheet name.
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*/
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function get_stylesheet() { |
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/**
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* Filter the name of current stylesheet.
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*
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* @since 1.5.0
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*
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* @param string $stylesheet Name of the current stylesheet.
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*/
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return apply_filters( 'stylesheet', get_option( 'stylesheet' ) ); |
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}
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/**
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* Retrieve stylesheet directory path for current theme.
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*
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* @since 1.5.0
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*
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* @return string Path to current theme directory.
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*/
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function get_stylesheet_directory() { |
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$stylesheet = get_stylesheet(); |
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$theme_root = get_theme_root( $stylesheet ); |
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$stylesheet_dir = "$theme_root/$stylesheet"; |
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/**
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* Filter the stylesheet directory path for current theme.
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*
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* @since 1.5.0
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*
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* @param string $stylesheet_dir Absolute path to the current them.
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* @param string $stylesheet Directory name of the current theme.
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* @param string $theme_root Absolute path to themes directory.
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*/
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return apply_filters( 'stylesheet_directory', $stylesheet_dir, $stylesheet, $theme_root ); |
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}
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/**
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* Retrieve stylesheet directory URI.
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*
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* @since 1.5.0
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*
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* @return string
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*/
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function get_stylesheet_directory_uri() { |
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$stylesheet = str_replace( '%2F', '/', rawurlencode( get_stylesheet() ) ); |
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$theme_root_uri = get_theme_root_uri( $stylesheet ); |
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$stylesheet_dir_uri = "$theme_root_uri/$stylesheet"; |
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/**
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* Filter the stylesheet directory URI.
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*
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* @since 1.5.0
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*
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* @param string $stylesheet_dir_uri Stylesheet directory URI.
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* @param string $stylesheet Name of the activated theme's directory.
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* @param string $theme_root_uri Themes root URI.
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*/
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return apply_filters( 'stylesheet_directory_uri', $stylesheet_dir_uri, $stylesheet, $theme_root_uri ); |
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}
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/**
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* Retrieve URI of current theme stylesheet.
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*
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* The stylesheet file name is 'style.css' which is appended to {@link
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* get_stylesheet_directory_uri() stylesheet directory URI} path.
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*
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* @since 1.5.0
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*
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* @return string
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*/
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function get_stylesheet_uri() { |
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$stylesheet_dir_uri = get_stylesheet_directory_uri(); |
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$stylesheet_uri = $stylesheet_dir_uri . '/style.css'; |
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/**
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* Filter the URI of the current theme stylesheet.
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*
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* @since 1.5.0
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*
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* @param string $stylesheet_uri Stylesheet URI for the current theme/child theme.
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* @param string $stylesheet_dir_uri Stylesheet directory URI for the current theme/child theme.
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*/
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return apply_filters( 'stylesheet_uri', $stylesheet_uri, $stylesheet_dir_uri ); |
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}
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/**
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* Retrieve localized stylesheet URI.
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*
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* The stylesheet directory for the localized stylesheet files are located, by
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* default, in the base theme directory. The name of the locale file will be the
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* locale followed by '.css'. If that does not exist, then the text direction
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* stylesheet will be checked for existence, for example 'ltr.css'.
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*
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* The theme may change the location of the stylesheet directory by either using
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* the 'stylesheet_directory_uri' filter or the 'locale_stylesheet_uri' filter.
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* If you want to change the location of the stylesheet files for the entire
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* WordPress workflow, then change the former. If you just have the locale in a
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* separate folder, then change the latter.
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*
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* @since 2.1.0
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*
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* @return string
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*/
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function get_locale_stylesheet_uri() { |
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global $wp_locale; |
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$stylesheet_dir_uri = get_stylesheet_directory_uri(); |
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$dir = get_stylesheet_directory(); |
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$locale = get_locale(); |
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if ( file_exists("$dir/$locale.css") ) |
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$stylesheet_uri = "$stylesheet_dir_uri/$locale.css"; |
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elseif ( !empty($wp_locale->text_direction) && file_exists("$dir/{$wp_locale->text_direction}.css") ) |
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$stylesheet_uri = "$stylesheet_dir_uri/{$wp_locale->text_direction}.css"; |
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else
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$stylesheet_uri = ''; |
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/**
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* Filter the localized stylesheet URI.
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*
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* @since 2.1.0
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*
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* @param string $stylesheet_uri Localized stylesheet URI.
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* @param string $stylesheet_dir_uri Stylesheet directory URI.
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*/
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return apply_filters( 'locale_stylesheet_uri', $stylesheet_uri, $stylesheet_dir_uri ); |
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}
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/**
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* Retrieve name of the current theme.
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*
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* @since 1.5.0
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*
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* @return string Template name.
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*/
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function get_template() { |
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/**
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* Filter the name of the current theme.
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*
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* @since 1.5.0
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*
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* @param string $template Current theme's directory name.
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*/
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return apply_filters( 'template', get_option( 'template' ) ); |
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}
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/**
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* Retrieve current theme directory.
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*
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* @since 1.5.0
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*
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* @return string Template directory path.
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*/
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function get_template_directory() { |
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$template = get_template(); |
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$theme_root = get_theme_root( $template ); |
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$template_dir = "$theme_root/$template"; |
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/**
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* Filter the current theme directory path.
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*
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* @since 1.5.0
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*
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* @param string $template_dir The URI of the current theme directory.
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* @param string $template Directory name of the current theme.
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* @param string $theme_root Absolute path to the themes directory.
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*/
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return apply_filters( 'template_directory', $template_dir, $template, $theme_root ); |
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}
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/**
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* Retrieve theme directory URI.
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*
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* @since 1.5.0
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*
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* @return string Template directory URI.
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*/
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function get_template_directory_uri() { |
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$template = str_replace( '%2F', '/', rawurlencode( get_template() ) ); |
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$theme_root_uri = get_theme_root_uri( $template ); |
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$template_dir_uri = "$theme_root_uri/$template"; |
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/**
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* Filter the current theme directory URI.
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*
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* @since 1.5.0
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*
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* @param string $template_dir_uri The URI of the current theme directory.
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* @param string $template Directory name of the current theme.
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* @param string $theme_root_uri The themes root URI.
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*/
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return apply_filters( 'template_directory_uri', $template_dir_uri, $template, $theme_root_uri ); |
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}
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/**
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* Retrieve theme roots.
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*
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* @since 2.9.0
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*
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* @return array|string An array of theme roots keyed by template/stylesheet or a single theme root if all themes have the same root.
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*/
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function get_theme_roots() { |
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global $wp_theme_directories; |
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if ( count($wp_theme_directories) <= 1 ) |
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return '/themes'; |
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$theme_roots = get_site_transient( 'theme_roots' ); |
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if ( false === $theme_roots ) { |
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search_theme_directories( true ); // Regenerate the transient. |
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$theme_roots = get_site_transient( 'theme_roots' ); |
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}
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return $theme_roots; |
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}
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/**
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* Register a directory that contains themes.
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*
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* @since 2.9.0
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*
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* @param string $directory Either the full filesystem path to a theme folder or a folder within WP_CONTENT_DIR
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* @return bool
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*/
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function register_theme_directory( $directory ) { |
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global $wp_theme_directories; |
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if ( ! file_exists( $directory ) ) { |
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// Try prepending as the theme directory could be relative to the content directory
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$directory = WP_CONTENT_DIR . '/' . $directory; |
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// If this directory does not exist, return and do not register
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if ( ! file_exists( $directory ) ) { |
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return false; |
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}
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}
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if ( ! is_array( $wp_theme_directories ) ) { |
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$wp_theme_directories = array(); |
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}
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$untrailed = untrailingslashit( $directory ); |
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if ( ! empty( $untrailed ) && ! in_array( $untrailed, $wp_theme_directories ) ) { |
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$wp_theme_directories[] = $untrailed; |
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}
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return true; |
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}
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/**
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* Search all registered theme directories for complete and valid themes.
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*
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* @since 2.9.0
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*
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* @param bool $force Optional. Whether to force a new directory scan. Defaults to false.
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* @return array Valid themes found
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*/
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function search_theme_directories( $force = false ) { |
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global $wp_theme_directories; |
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if ( empty( $wp_theme_directories ) ) |
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return false; |
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static $found_themes; |
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if ( ! $force && isset( $found_themes ) ) |
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return $found_themes; |
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$found_themes = array(); |
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$wp_theme_directories = (array) $wp_theme_directories; |
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1.1.4
by Paul Gear
new upstream release 4.2 |
409 |
$relative_theme_roots = array(); |
1
by Jacek Nykis
Initial commit |
410 |
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// Set up maybe-relative, maybe-absolute array of theme directories.
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// We always want to return absolute, but we need to cache relative
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// to use in get_theme_root().
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foreach ( $wp_theme_directories as $theme_root ) { |
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if ( 0 === strpos( $theme_root, WP_CONTENT_DIR ) ) |
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$relative_theme_roots[ str_replace( WP_CONTENT_DIR, '', $theme_root ) ] = $theme_root; |
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else
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$relative_theme_roots[ $theme_root ] = $theme_root; |
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}
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/**
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* Filter whether to get the cache of the registered theme directories.
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*
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|
424 |
* @since 3.4.0
|
|
425 |
*
|
|
426 |
* @param bool $cache_expiration Whether to get the cache of the theme directories. Default false.
|
|
427 |
* @param string $cache_directory Directory to be searched for the cache.
|
|
428 |
*/
|
|
429 |
if ( $cache_expiration = apply_filters( 'wp_cache_themes_persistently', false, 'search_theme_directories' ) ) { |
|
430 |
$cached_roots = get_site_transient( 'theme_roots' ); |
|
431 |
if ( is_array( $cached_roots ) ) { |
|
432 |
foreach ( $cached_roots as $theme_dir => $theme_root ) { |
|
433 |
// A cached theme root is no longer around, so skip it.
|
|
434 |
if ( ! isset( $relative_theme_roots[ $theme_root ] ) ) |
|
435 |
continue; |
|
436 |
$found_themes[ $theme_dir ] = array( |
|
437 |
'theme_file' => $theme_dir . '/style.css', |
|
438 |
'theme_root' => $relative_theme_roots[ $theme_root ], // Convert relative to absolute. |
|
439 |
);
|
|
440 |
}
|
|
441 |
return $found_themes; |
|
442 |
}
|
|
443 |
if ( ! is_int( $cache_expiration ) ) |
|
444 |
$cache_expiration = 1800; // half hour |
|
445 |
} else { |
|
446 |
$cache_expiration = 1800; // half hour |
|
447 |
}
|
|
448 |
||
449 |
/* Loop the registered theme directories and extract all themes */
|
|
450 |
foreach ( $wp_theme_directories as $theme_root ) { |
|
451 |
||
452 |
// Start with directories in the root of the current theme directory.
|
|
453 |
$dirs = @ scandir( $theme_root ); |
|
454 |
if ( ! $dirs ) { |
|
455 |
trigger_error( "$theme_root is not readable", E_USER_NOTICE ); |
|
456 |
continue; |
|
457 |
}
|
|
458 |
foreach ( $dirs as $dir ) { |
|
459 |
if ( ! is_dir( $theme_root . '/' . $dir ) || $dir[0] == '.' || $dir == 'CVS' ) |
|
460 |
continue; |
|
461 |
if ( file_exists( $theme_root . '/' . $dir . '/style.css' ) ) { |
|
462 |
// wp-content/themes/a-single-theme
|
|
463 |
// wp-content/themes is $theme_root, a-single-theme is $dir
|
|
464 |
$found_themes[ $dir ] = array( |
|
465 |
'theme_file' => $dir . '/style.css', |
|
466 |
'theme_root' => $theme_root, |
|
467 |
);
|
|
468 |
} else { |
|
469 |
$found_theme = false; |
|
470 |
// wp-content/themes/a-folder-of-themes/*
|
|
471 |
// wp-content/themes is $theme_root, a-folder-of-themes is $dir, then themes are $sub_dirs
|
|
472 |
$sub_dirs = @ scandir( $theme_root . '/' . $dir ); |
|
473 |
if ( ! $sub_dirs ) { |
|
474 |
trigger_error( "$theme_root/$dir is not readable", E_USER_NOTICE ); |
|
475 |
continue; |
|
476 |
}
|
|
477 |
foreach ( $sub_dirs as $sub_dir ) { |
|
478 |
if ( ! is_dir( $theme_root . '/' . $dir . '/' . $sub_dir ) || $dir[0] == '.' || $dir == 'CVS' ) |
|
479 |
continue; |
|
480 |
if ( ! file_exists( $theme_root . '/' . $dir . '/' . $sub_dir . '/style.css' ) ) |
|
481 |
continue; |
|
482 |
$found_themes[ $dir . '/' . $sub_dir ] = array( |
|
483 |
'theme_file' => $dir . '/' . $sub_dir . '/style.css', |
|
484 |
'theme_root' => $theme_root, |
|
485 |
);
|
|
486 |
$found_theme = true; |
|
487 |
}
|
|
488 |
// Never mind the above, it's just a theme missing a style.css.
|
|
489 |
// Return it; WP_Theme will catch the error.
|
|
490 |
if ( ! $found_theme ) |
|
491 |
$found_themes[ $dir ] = array( |
|
492 |
'theme_file' => $dir . '/style.css', |
|
493 |
'theme_root' => $theme_root, |
|
494 |
);
|
|
495 |
}
|
|
496 |
}
|
|
497 |
}
|
|
498 |
||
499 |
asort( $found_themes ); |
|
500 |
||
501 |
$theme_roots = array(); |
|
502 |
$relative_theme_roots = array_flip( $relative_theme_roots ); |
|
503 |
||
504 |
foreach ( $found_themes as $theme_dir => $theme_data ) { |
|
505 |
$theme_roots[ $theme_dir ] = $relative_theme_roots[ $theme_data['theme_root'] ]; // Convert absolute to relative. |
|
506 |
}
|
|
507 |
||
508 |
if ( $theme_roots != get_site_transient( 'theme_roots' ) ) |
|
509 |
set_site_transient( 'theme_roots', $theme_roots, $cache_expiration ); |
|
510 |
||
511 |
return $found_themes; |
|
512 |
}
|
|
513 |
||
514 |
/**
|
|
515 |
* Retrieve path to themes directory.
|
|
516 |
*
|
|
517 |
* Does not have trailing slash.
|
|
518 |
*
|
|
519 |
* @since 1.5.0
|
|
520 |
*
|
|
521 |
* @param string $stylesheet_or_template The stylesheet or template name of the theme
|
|
522 |
* @return string Theme path.
|
|
523 |
*/
|
|
524 |
function get_theme_root( $stylesheet_or_template = false ) { |
|
525 |
global $wp_theme_directories; |
|
526 |
||
527 |
if ( $stylesheet_or_template && $theme_root = get_raw_theme_root( $stylesheet_or_template ) ) { |
|
528 |
// Always prepend WP_CONTENT_DIR unless the root currently registered as a theme directory.
|
|
529 |
// This gives relative theme roots the benefit of the doubt when things go haywire.
|
|
530 |
if ( ! in_array( $theme_root, (array) $wp_theme_directories ) ) |
|
531 |
$theme_root = WP_CONTENT_DIR . $theme_root; |
|
532 |
} else { |
|
533 |
$theme_root = WP_CONTENT_DIR . '/themes'; |
|
534 |
}
|
|
535 |
||
536 |
/**
|
|
537 |
* Filter the absolute path to the themes directory.
|
|
538 |
*
|
|
539 |
* @since 1.5.0
|
|
540 |
*
|
|
541 |
* @param string $theme_root Absolute path to themes directory.
|
|
542 |
*/
|
|
543 |
return apply_filters( 'theme_root', $theme_root ); |
|
544 |
}
|
|
545 |
||
546 |
/**
|
|
547 |
* Retrieve URI for themes directory.
|
|
548 |
*
|
|
549 |
* Does not have trailing slash.
|
|
550 |
*
|
|
551 |
* @since 1.5.0
|
|
552 |
*
|
|
553 |
* @param string $stylesheet_or_template Optional. The stylesheet or template name of the theme.
|
|
554 |
* Default is to leverage the main theme root.
|
|
555 |
* @param string $theme_root Optional. The theme root for which calculations will be based, preventing
|
|
556 |
* the need for a get_raw_theme_root() call.
|
|
557 |
* @return string Themes URI.
|
|
558 |
*/
|
|
559 |
function get_theme_root_uri( $stylesheet_or_template = false, $theme_root = false ) { |
|
560 |
global $wp_theme_directories; |
|
561 |
||
562 |
if ( $stylesheet_or_template && ! $theme_root ) |
|
563 |
$theme_root = get_raw_theme_root( $stylesheet_or_template ); |
|
564 |
||
565 |
if ( $stylesheet_or_template && $theme_root ) { |
|
566 |
if ( in_array( $theme_root, (array) $wp_theme_directories ) ) { |
|
567 |
// Absolute path. Make an educated guess. YMMV -- but note the filter below.
|
|
568 |
if ( 0 === strpos( $theme_root, WP_CONTENT_DIR ) ) |
|
569 |
$theme_root_uri = content_url( str_replace( WP_CONTENT_DIR, '', $theme_root ) ); |
|
570 |
elseif ( 0 === strpos( $theme_root, ABSPATH ) ) |
|
571 |
$theme_root_uri = site_url( str_replace( ABSPATH, '', $theme_root ) ); |
|
572 |
elseif ( 0 === strpos( $theme_root, WP_PLUGIN_DIR ) || 0 === strpos( $theme_root, WPMU_PLUGIN_DIR ) ) |
|
573 |
$theme_root_uri = plugins_url( basename( $theme_root ), $theme_root ); |
|
574 |
else
|
|
575 |
$theme_root_uri = $theme_root; |
|
576 |
} else { |
|
577 |
$theme_root_uri = content_url( $theme_root ); |
|
578 |
}
|
|
579 |
} else { |
|
580 |
$theme_root_uri = content_url( 'themes' ); |
|
581 |
}
|
|
582 |
||
583 |
/**
|
|
584 |
* Filter the URI for themes directory.
|
|
585 |
*
|
|
586 |
* @since 1.5.0
|
|
587 |
*
|
|
588 |
* @param string $theme_root_uri The URI for themes directory.
|
|
589 |
* @param string $siteurl WordPress web address which is set in General Options.
|
|
590 |
* @param string $stylesheet_or_template Stylesheet or template name of the theme.
|
|
591 |
*/
|
|
592 |
return apply_filters( 'theme_root_uri', $theme_root_uri, get_option( 'siteurl' ), $stylesheet_or_template ); |
|
593 |
}
|
|
594 |
||
595 |
/**
|
|
596 |
* Get the raw theme root relative to the content directory with no filters applied.
|
|
597 |
*
|
|
598 |
* @since 3.1.0
|
|
599 |
*
|
|
600 |
* @param string $stylesheet_or_template The stylesheet or template name of the theme
|
|
601 |
* @param bool $skip_cache Optional. Whether to skip the cache. Defaults to false, meaning the cache is used.
|
|
602 |
* @return string Theme root
|
|
603 |
*/
|
|
604 |
function get_raw_theme_root( $stylesheet_or_template, $skip_cache = false ) { |
|
605 |
global $wp_theme_directories; |
|
606 |
||
607 |
if ( count($wp_theme_directories) <= 1 ) |
|
608 |
return '/themes'; |
|
609 |
||
610 |
$theme_root = false; |
|
611 |
||
612 |
// If requesting the root for the current theme, consult options to avoid calling get_theme_roots()
|
|
613 |
if ( ! $skip_cache ) { |
|
614 |
if ( get_option('stylesheet') == $stylesheet_or_template ) |
|
615 |
$theme_root = get_option('stylesheet_root'); |
|
616 |
elseif ( get_option('template') == $stylesheet_or_template ) |
|
617 |
$theme_root = get_option('template_root'); |
|
618 |
}
|
|
619 |
||
620 |
if ( empty($theme_root) ) { |
|
621 |
$theme_roots = get_theme_roots(); |
|
622 |
if ( !empty($theme_roots[$stylesheet_or_template]) ) |
|
623 |
$theme_root = $theme_roots[$stylesheet_or_template]; |
|
624 |
}
|
|
625 |
||
626 |
return $theme_root; |
|
627 |
}
|
|
628 |
||
629 |
/**
|
|
630 |
* Display localized stylesheet link element.
|
|
631 |
*
|
|
632 |
* @since 2.1.0
|
|
633 |
*/
|
|
634 |
function locale_stylesheet() { |
|
635 |
$stylesheet = get_locale_stylesheet_uri(); |
|
636 |
if ( empty($stylesheet) ) |
|
637 |
return; |
|
638 |
echo '<link rel="stylesheet" href="' . $stylesheet . '" type="text/css" media="screen" />'; |
|
639 |
}
|
|
640 |
||
641 |
/**
|
|
642 |
* Start preview theme output buffer.
|
|
643 |
*
|
|
644 |
* Will only perform task if the user has permissions and template and preview
|
|
645 |
* query variables exist.
|
|
646 |
*
|
|
647 |
* @since 2.6.0
|
|
648 |
*/
|
|
649 |
function preview_theme() { |
|
650 |
if ( ! (isset($_GET['template']) && isset($_GET['preview'])) ) |
|
651 |
return; |
|
652 |
||
653 |
if ( !current_user_can( 'switch_themes' ) ) |
|
654 |
return; |
|
655 |
||
656 |
// Admin Thickbox requests
|
|
657 |
if ( isset( $_GET['preview_iframe'] ) ) |
|
658 |
show_admin_bar( false ); |
|
659 |
||
660 |
$_GET['template'] = preg_replace('|[^a-z0-9_./-]|i', '', $_GET['template']); |
|
661 |
||
662 |
if ( validate_file($_GET['template']) ) |
|
663 |
return; |
|
664 |
||
665 |
add_filter( 'template', '_preview_theme_template_filter' ); |
|
666 |
||
667 |
if ( isset($_GET['stylesheet']) ) { |
|
668 |
$_GET['stylesheet'] = preg_replace('|[^a-z0-9_./-]|i', '', $_GET['stylesheet']); |
|
669 |
if ( validate_file($_GET['stylesheet']) ) |
|
670 |
return; |
|
671 |
add_filter( 'stylesheet', '_preview_theme_stylesheet_filter' ); |
|
672 |
}
|
|
673 |
||
674 |
// Prevent theme mods to current theme being used on theme being previewed
|
|
675 |
add_filter( 'pre_option_theme_mods_' . get_option( 'stylesheet' ), '__return_empty_array' ); |
|
676 |
}
|
|
677 |
||
678 |
/**
|
|
679 |
* Private function to modify the current template when previewing a theme
|
|
680 |
*
|
|
681 |
* @since 2.9.0
|
|
682 |
* @access private
|
|
683 |
*
|
|
684 |
* @return string
|
|
685 |
*/
|
|
686 |
function _preview_theme_template_filter() { |
|
687 |
return isset($_GET['template']) ? $_GET['template'] : ''; |
|
688 |
}
|
|
689 |
||
690 |
/**
|
|
691 |
* Private function to modify the current stylesheet when previewing a theme
|
|
692 |
*
|
|
693 |
* @since 2.9.0
|
|
694 |
* @access private
|
|
695 |
*
|
|
696 |
* @return string
|
|
697 |
*/
|
|
698 |
function _preview_theme_stylesheet_filter() { |
|
699 |
return isset($_GET['stylesheet']) ? $_GET['stylesheet'] : ''; |
|
700 |
}
|
|
701 |
||
702 |
/**
|
|
703 |
* Callback function for ob_start() to capture all links in the theme.
|
|
704 |
*
|
|
705 |
* @since 2.6.0
|
|
706 |
* @access private
|
|
707 |
*
|
|
708 |
* @param string $content
|
|
709 |
* @return string
|
|
710 |
*/
|
|
711 |
function preview_theme_ob_filter( $content ) { |
|
9
by Dave Lawson
Merge 4.2.4 from upstream |
712 |
return $content; |
1
by Jacek Nykis
Initial commit |
713 |
}
|
714 |
||
715 |
/**
|
|
716 |
* Manipulates preview theme links in order to control and maintain location.
|
|
717 |
*
|
|
718 |
* Callback function for preg_replace_callback() to accept and filter matches.
|
|
719 |
*
|
|
720 |
* @since 2.6.0
|
|
721 |
* @access private
|
|
722 |
*
|
|
723 |
* @param array $matches
|
|
724 |
* @return string
|
|
725 |
*/
|
|
726 |
function preview_theme_ob_filter_callback( $matches ) { |
|
9
by Dave Lawson
Merge 4.2.4 from upstream |
727 |
return $matches[0]; |
1
by Jacek Nykis
Initial commit |
728 |
}
|
729 |
||
730 |
/**
|
|
731 |
* Switches the theme.
|
|
732 |
*
|
|
733 |
* Accepts one argument: $stylesheet of the theme. It also accepts an additional function signature
|
|
734 |
* of two arguments: $template then $stylesheet. This is for backwards compatibility.
|
|
735 |
*
|
|
736 |
* @since 2.5.0
|
|
737 |
*
|
|
738 |
* @param string $stylesheet Stylesheet name
|
|
739 |
*/
|
|
740 |
function switch_theme( $stylesheet ) { |
|
741 |
global $wp_theme_directories, $wp_customize, $sidebars_widgets; |
|
742 |
||
743 |
$_sidebars_widgets = null; |
|
744 |
if ( 'wp_ajax_customize_save' === current_action() ) { |
|
745 |
$_sidebars_widgets = $wp_customize->post_value( $wp_customize->get_setting( 'old_sidebars_widgets_data' ) ); |
|
746 |
} elseif ( is_array( $sidebars_widgets ) ) { |
|
747 |
$_sidebars_widgets = $sidebars_widgets; |
|
748 |
}
|
|
749 |
||
750 |
if ( is_array( $_sidebars_widgets ) ) { |
|
751 |
set_theme_mod( 'sidebars_widgets', array( 'time' => time(), 'data' => $_sidebars_widgets ) ); |
|
752 |
}
|
|
753 |
||
754 |
$old_theme = wp_get_theme(); |
|
755 |
$new_theme = wp_get_theme( $stylesheet ); |
|
756 |
||
757 |
if ( func_num_args() > 1 ) { |
|
758 |
$template = $stylesheet; |
|
759 |
$stylesheet = func_get_arg( 1 ); |
|
760 |
} else { |
|
761 |
$template = $new_theme->get_template(); |
|
762 |
}
|
|
763 |
||
764 |
update_option( 'template', $template ); |
|
765 |
update_option( 'stylesheet', $stylesheet ); |
|
766 |
||
767 |
if ( count( $wp_theme_directories ) > 1 ) { |
|
768 |
update_option( 'template_root', get_raw_theme_root( $template, true ) ); |
|
769 |
update_option( 'stylesheet_root', get_raw_theme_root( $stylesheet, true ) ); |
|
770 |
} else { |
|
771 |
delete_option( 'template_root' ); |
|
772 |
delete_option( 'stylesheet_root' ); |
|
773 |
}
|
|
774 |
||
775 |
$new_name = $new_theme->get('Name'); |
|
776 |
||
777 |
update_option( 'current_theme', $new_name ); |
|
778 |
||
779 |
// Migrate from the old mods_{name} option to theme_mods_{slug}.
|
|
780 |
if ( is_admin() && false === get_option( 'theme_mods_' . $stylesheet ) ) { |
|
781 |
$default_theme_mods = (array) get_option( 'mods_' . $new_name ); |
|
782 |
add_option( "theme_mods_$stylesheet", $default_theme_mods ); |
|
783 |
} else { |
|
784 |
/*
|
|
1.1.1
by Nick Moffitt
New Upstream Version 4.1 |
785 |
* Since retrieve_widgets() is called when initializing a theme in the Customizer,
|
1
by Jacek Nykis
Initial commit |
786 |
* we need to to remove the theme mods to avoid overwriting changes made via
|
1.1.1
by Nick Moffitt
New Upstream Version 4.1 |
787 |
* the Customizer when accessing wp-admin/widgets.php.
|
1
by Jacek Nykis
Initial commit |
788 |
*/
|
789 |
if ( 'wp_ajax_customize_save' === current_action() ) { |
|
790 |
remove_theme_mod( 'sidebars_widgets' ); |
|
791 |
}
|
|
792 |
}
|
|
793 |
||
794 |
update_option( 'theme_switched', $old_theme->get_stylesheet() ); |
|
795 |
/**
|
|
796 |
* Fires after the theme is switched.
|
|
797 |
*
|
|
798 |
* @since 1.5.0
|
|
799 |
*
|
|
800 |
* @param string $new_name Name of the new theme.
|
|
801 |
* @param WP_Theme $new_theme WP_Theme instance of the new theme.
|
|
802 |
*/
|
|
803 |
do_action( 'switch_theme', $new_name, $new_theme ); |
|
804 |
}
|
|
805 |
||
806 |
/**
|
|
807 |
* Checks that current theme files 'index.php' and 'style.css' exists.
|
|
808 |
*
|
|
809 |
* Does not check the default theme, which is the fallback and should always exist.
|
|
810 |
* Will switch theme to the fallback theme if current theme does not validate.
|
|
811 |
* You can use the 'validate_current_theme' filter to return false to
|
|
812 |
* disable this functionality.
|
|
813 |
*
|
|
814 |
* @since 1.5.0
|
|
815 |
* @see WP_DEFAULT_THEME
|
|
816 |
*
|
|
817 |
* @return bool
|
|
818 |
*/
|
|
819 |
function validate_current_theme() { |
|
820 |
/**
|
|
821 |
* Filter whether to validate the current theme.
|
|
822 |
*
|
|
823 |
* @since 2.7.0
|
|
824 |
*
|
|
825 |
* @param bool true Validation flag to check the current theme.
|
|
826 |
*/
|
|
827 |
if ( defined('WP_INSTALLING') || ! apply_filters( 'validate_current_theme', true ) ) |
|
828 |
return true; |
|
829 |
||
830 |
if ( get_template() != WP_DEFAULT_THEME && !file_exists(get_template_directory() . '/index.php') ) { |
|
831 |
switch_theme( WP_DEFAULT_THEME ); |
|
832 |
return false; |
|
833 |
}
|
|
834 |
||
835 |
if ( get_stylesheet() != WP_DEFAULT_THEME && !file_exists(get_template_directory() . '/style.css') ) { |
|
836 |
switch_theme( WP_DEFAULT_THEME ); |
|
837 |
return false; |
|
838 |
}
|
|
839 |
||
840 |
if ( is_child_theme() && ! file_exists( get_stylesheet_directory() . '/style.css' ) ) { |
|
841 |
switch_theme( WP_DEFAULT_THEME ); |
|
842 |
return false; |
|
843 |
}
|
|
844 |
||
845 |
return true; |
|
846 |
}
|
|
847 |
||
848 |
/**
|
|
849 |
* Retrieve all theme modifications.
|
|
850 |
*
|
|
851 |
* @since 3.1.0
|
|
852 |
*
|
|
1.1.1
by Nick Moffitt
New Upstream Version 4.1 |
853 |
* @return array|null Theme modifications.
|
1
by Jacek Nykis
Initial commit |
854 |
*/
|
855 |
function get_theme_mods() { |
|
856 |
$theme_slug = get_option( 'stylesheet' ); |
|
857 |
if ( false === ( $mods = get_option( "theme_mods_$theme_slug" ) ) ) { |
|
858 |
$theme_name = get_option( 'current_theme' ); |
|
859 |
if ( false === $theme_name ) |
|
860 |
$theme_name = wp_get_theme()->get('Name'); |
|
861 |
$mods = get_option( "mods_$theme_name" ); // Deprecated location. |
|
862 |
if ( is_admin() && false !== $mods ) { |
|
863 |
update_option( "theme_mods_$theme_slug", $mods ); |
|
864 |
delete_option( "mods_$theme_name" ); |
|
865 |
}
|
|
866 |
}
|
|
867 |
return $mods; |
|
868 |
}
|
|
869 |
||
870 |
/**
|
|
871 |
* Retrieve theme modification value for the current theme.
|
|
872 |
*
|
|
873 |
* If the modification name does not exist, then the $default will be passed
|
|
874 |
* through {@link http://php.net/sprintf sprintf()} PHP function with the first
|
|
875 |
* string the template directory URI and the second string the stylesheet
|
|
876 |
* directory URI.
|
|
877 |
*
|
|
878 |
* @since 2.1.0
|
|
879 |
*
|
|
880 |
* @param string $name Theme modification name.
|
|
881 |
* @param bool|string $default
|
|
882 |
* @return string
|
|
883 |
*/
|
|
884 |
function get_theme_mod( $name, $default = false ) { |
|
885 |
$mods = get_theme_mods(); |
|
886 |
||
887 |
if ( isset( $mods[$name] ) ) { |
|
888 |
/**
|
|
889 |
* Filter the theme modification, or 'theme_mod', value.
|
|
890 |
*
|
|
1.1.1
by Nick Moffitt
New Upstream Version 4.1 |
891 |
* The dynamic portion of the hook name, `$name`, refers to
|
1
by Jacek Nykis
Initial commit |
892 |
* the key name of the modification array. For example,
|
893 |
* 'header_textcolor', 'header_image', and so on depending
|
|
894 |
* on the theme options.
|
|
895 |
*
|
|
896 |
* @since 2.2.0
|
|
897 |
*
|
|
898 |
* @param string $current_mod The value of the current theme modification.
|
|
899 |
*/
|
|
900 |
return apply_filters( "theme_mod_{$name}", $mods[$name] ); |
|
901 |
}
|
|
902 |
||
903 |
if ( is_string( $default ) ) |
|
904 |
$default = sprintf( $default, get_template_directory_uri(), get_stylesheet_directory_uri() ); |
|
905 |
||
906 |
/** This filter is documented in wp-includes/theme.php */
|
|
907 |
return apply_filters( "theme_mod_{$name}", $default ); |
|
908 |
}
|
|
909 |
||
910 |
/**
|
|
911 |
* Update theme modification value for the current theme.
|
|
912 |
*
|
|
913 |
* @since 2.1.0
|
|
914 |
*
|
|
915 |
* @param string $name Theme modification name.
|
|
1.1.4
by Paul Gear
new upstream release 4.2 |
916 |
* @param mixed $value theme modification value.
|
1
by Jacek Nykis
Initial commit |
917 |
*/
|
918 |
function set_theme_mod( $name, $value ) { |
|
919 |
$mods = get_theme_mods(); |
|
920 |
$old_value = isset( $mods[ $name ] ) ? $mods[ $name ] : false; |
|
921 |
||
922 |
/**
|
|
923 |
* Filter the theme mod value on save.
|
|
924 |
*
|
|
1.1.1
by Nick Moffitt
New Upstream Version 4.1 |
925 |
* The dynamic portion of the hook name, `$name`, refers to the key name of
|
1
by Jacek Nykis
Initial commit |
926 |
* the modification array. For example, 'header_textcolor', 'header_image',
|
927 |
* and so on depending on the theme options.
|
|
928 |
*
|
|
929 |
* @since 3.9.0
|
|
930 |
*
|
|
931 |
* @param string $value The new value of the theme mod.
|
|
932 |
* @param string $old_value The current value of the theme mod.
|
|
933 |
*/
|
|
934 |
$mods[ $name ] = apply_filters( "pre_set_theme_mod_$name", $value, $old_value ); |
|
935 |
||
936 |
$theme = get_option( 'stylesheet' ); |
|
937 |
update_option( "theme_mods_$theme", $mods ); |
|
938 |
}
|
|
939 |
||
940 |
/**
|
|
941 |
* Remove theme modification name from current theme list.
|
|
942 |
*
|
|
943 |
* If removing the name also removes all elements, then the entire option will
|
|
944 |
* be removed.
|
|
945 |
*
|
|
946 |
* @since 2.1.0
|
|
947 |
*
|
|
948 |
* @param string $name Theme modification name.
|
|
949 |
* @return null
|
|
950 |
*/
|
|
951 |
function remove_theme_mod( $name ) { |
|
952 |
$mods = get_theme_mods(); |
|
953 |
||
954 |
if ( ! isset( $mods[ $name ] ) ) |
|
955 |
return; |
|
956 |
||
957 |
unset( $mods[ $name ] ); |
|
958 |
||
959 |
if ( empty( $mods ) ) |
|
960 |
return remove_theme_mods(); |
|
961 |
||
962 |
$theme = get_option( 'stylesheet' ); |
|
963 |
update_option( "theme_mods_$theme", $mods ); |
|
964 |
}
|
|
965 |
||
966 |
/**
|
|
967 |
* Remove theme modifications option for current theme.
|
|
968 |
*
|
|
969 |
* @since 2.1.0
|
|
970 |
*/
|
|
971 |
function remove_theme_mods() { |
|
972 |
delete_option( 'theme_mods_' . get_option( 'stylesheet' ) ); |
|
973 |
||
974 |
// Old style.
|
|
975 |
$theme_name = get_option( 'current_theme' ); |
|
976 |
if ( false === $theme_name ) |
|
977 |
$theme_name = wp_get_theme()->get('Name'); |
|
978 |
delete_option( 'mods_' . $theme_name ); |
|
979 |
}
|
|
980 |
||
981 |
/**
|
|
982 |
* Retrieve text color for custom header.
|
|
983 |
*
|
|
984 |
* @since 2.1.0
|
|
985 |
*
|
|
986 |
* @return string
|
|
987 |
*/
|
|
988 |
function get_header_textcolor() { |
|
989 |
return get_theme_mod('header_textcolor', get_theme_support( 'custom-header', 'default-text-color' ) ); |
|
990 |
}
|
|
991 |
||
992 |
/**
|
|
993 |
* Display text color for custom header.
|
|
994 |
*
|
|
995 |
* @since 2.1.0
|
|
996 |
*/
|
|
997 |
function header_textcolor() { |
|
998 |
echo get_header_textcolor(); |
|
999 |
}
|
|
1000 |
||
1001 |
/**
|
|
1002 |
* Whether to display the header text.
|
|
1003 |
*
|
|
1004 |
* @since 3.4.0
|
|
1005 |
*
|
|
1006 |
* @return bool
|
|
1007 |
*/
|
|
1008 |
function display_header_text() { |
|
1009 |
if ( ! current_theme_supports( 'custom-header', 'header-text' ) ) |
|
1010 |
return false; |
|
1011 |
||
1012 |
$text_color = get_theme_mod( 'header_textcolor', get_theme_support( 'custom-header', 'default-text-color' ) ); |
|
1013 |
return 'blank' != $text_color; |
|
1014 |
}
|
|
1015 |
||
1016 |
/**
|
|
1.1.4
by Paul Gear
new upstream release 4.2 |
1017 |
* Check whether a header image is set or not.
|
1018 |
*
|
|
1019 |
* @since 4.2.0
|
|
1020 |
*
|
|
1021 |
* @see get_header_image()
|
|
1022 |
*
|
|
1023 |
* @return bool Whether a header image is set or not.
|
|
1024 |
*/
|
|
1025 |
function has_header_image() { |
|
1026 |
return (bool) get_header_image(); |
|
1027 |
}
|
|
1028 |
||
1029 |
/**
|
|
1
by Jacek Nykis
Initial commit |
1030 |
* Retrieve header image for custom header.
|
1031 |
*
|
|
1032 |
* @since 2.1.0
|
|
1033 |
*
|
|
1.1.4
by Paul Gear
new upstream release 4.2 |
1034 |
* @return string|false
|
1
by Jacek Nykis
Initial commit |
1035 |
*/
|
1036 |
function get_header_image() { |
|
1037 |
$url = get_theme_mod( 'header_image', get_theme_support( 'custom-header', 'default-image' ) ); |
|
1038 |
||
1039 |
if ( 'remove-header' == $url ) |
|
1040 |
return false; |
|
1041 |
||
1042 |
if ( is_random_header_image() ) |
|
1043 |
$url = get_random_header_image(); |
|
1044 |
||
1045 |
return esc_url_raw( set_url_scheme( $url ) ); |
|
1046 |
}
|
|
1047 |
||
1048 |
/**
|
|
1049 |
* Get random header image data from registered images in theme.
|
|
1050 |
*
|
|
1051 |
* @since 3.4.0
|
|
1052 |
*
|
|
1053 |
* @access private
|
|
1054 |
*
|
|
1055 |
* @return string Path to header image
|
|
1056 |
*/
|
|
1057 |
||
1058 |
function _get_random_header_data() { |
|
1059 |
static $_wp_random_header; |
|
1060 |
||
1061 |
if ( empty( $_wp_random_header ) ) { |
|
1062 |
global $_wp_default_headers; |
|
1063 |
$header_image_mod = get_theme_mod( 'header_image', '' ); |
|
1064 |
$headers = array(); |
|
1065 |
||
1066 |
if ( 'random-uploaded-image' == $header_image_mod ) |
|
1067 |
$headers = get_uploaded_header_images(); |
|
1068 |
elseif ( ! empty( $_wp_default_headers ) ) { |
|
1069 |
if ( 'random-default-image' == $header_image_mod ) { |
|
1070 |
$headers = $_wp_default_headers; |
|
1071 |
} else { |
|
1072 |
if ( current_theme_supports( 'custom-header', 'random-default' ) ) |
|
1073 |
$headers = $_wp_default_headers; |
|
1074 |
}
|
|
1075 |
}
|
|
1076 |
||
1077 |
if ( empty( $headers ) ) |
|
1078 |
return new stdClass; |
|
1079 |
||
1080 |
$_wp_random_header = (object) $headers[ array_rand( $headers ) ]; |
|
1081 |
||
1082 |
$_wp_random_header->url = sprintf( $_wp_random_header->url, get_template_directory_uri(), get_stylesheet_directory_uri() ); |
|
1083 |
$_wp_random_header->thumbnail_url = sprintf( $_wp_random_header->thumbnail_url, get_template_directory_uri(), get_stylesheet_directory_uri() ); |
|
1084 |
}
|
|
1085 |
return $_wp_random_header; |
|
1086 |
}
|
|
1087 |
||
1088 |
/**
|
|
1089 |
* Get random header image url from registered images in theme.
|
|
1090 |
*
|
|
1091 |
* @since 3.2.0
|
|
1092 |
*
|
|
1093 |
* @return string Path to header image
|
|
1094 |
*/
|
|
1095 |
||
1096 |
function get_random_header_image() { |
|
1097 |
$random_image = _get_random_header_data(); |
|
1098 |
if ( empty( $random_image->url ) ) |
|
1099 |
return ''; |
|
1100 |
return $random_image->url; |
|
1101 |
}
|
|
1102 |
||
1103 |
/**
|
|
1104 |
* Check if random header image is in use.
|
|
1105 |
*
|
|
1106 |
* Always true if user expressly chooses the option in Appearance > Header.
|
|
1107 |
* Also true if theme has multiple header images registered, no specific header image
|
|
1108 |
* is chosen, and theme turns on random headers with add_theme_support().
|
|
1109 |
*
|
|
1110 |
* @since 3.2.0
|
|
1111 |
*
|
|
1112 |
* @param string $type The random pool to use. any|default|uploaded
|
|
1113 |
* @return boolean
|
|
1114 |
*/
|
|
1115 |
function is_random_header_image( $type = 'any' ) { |
|
1116 |
$header_image_mod = get_theme_mod( 'header_image', get_theme_support( 'custom-header', 'default-image' ) ); |
|
1117 |
||
1118 |
if ( 'any' == $type ) { |
|
1119 |
if ( 'random-default-image' == $header_image_mod || 'random-uploaded-image' == $header_image_mod || ( '' != get_random_header_image() && empty( $header_image_mod ) ) ) |
|
1120 |
return true; |
|
1121 |
} else { |
|
1122 |
if ( "random-$type-image" == $header_image_mod ) |
|
1123 |
return true; |
|
1124 |
elseif ( 'default' == $type && empty( $header_image_mod ) && '' != get_random_header_image() ) |
|
1125 |
return true; |
|
1126 |
}
|
|
1127 |
||
1128 |
return false; |
|
1129 |
}
|
|
1130 |
||
1131 |
/**
|
|
1132 |
* Display header image URL.
|
|
1133 |
*
|
|
1134 |
* @since 2.1.0
|
|
1135 |
*/
|
|
1136 |
function header_image() { |
|
1.1.4
by Paul Gear
new upstream release 4.2 |
1137 |
$image = get_header_image(); |
1138 |
if ( $image ) { |
|
1139 |
echo esc_url( $image ); |
|
1140 |
}
|
|
1
by Jacek Nykis
Initial commit |
1141 |
}
|
1142 |
||
1143 |
/**
|
|
1144 |
* Get the header images uploaded for the current theme.
|
|
1145 |
*
|
|
1146 |
* @since 3.2.0
|
|
1147 |
*
|
|
1148 |
* @return array
|
|
1149 |
*/
|
|
1150 |
function get_uploaded_header_images() { |
|
1151 |
$header_images = array(); |
|
1152 |
||
1153 |
// @todo caching
|
|
1154 |
$headers = get_posts( array( 'post_type' => 'attachment', 'meta_key' => '_wp_attachment_is_custom_header', 'meta_value' => get_option('stylesheet'), 'orderby' => 'none', 'nopaging' => true ) ); |
|
1155 |
||
1156 |
if ( empty( $headers ) ) |
|
1157 |
return array(); |
|
1158 |
||
1159 |
foreach ( (array) $headers as $header ) { |
|
1160 |
$url = esc_url_raw( wp_get_attachment_url( $header->ID ) ); |
|
1161 |
$header_data = wp_get_attachment_metadata( $header->ID ); |
|
1162 |
$header_index = basename($url); |
|
1163 |
$header_images[$header_index] = array(); |
|
1164 |
$header_images[$header_index]['attachment_id'] = $header->ID; |
|
1165 |
$header_images[$header_index]['url'] = $url; |
|
1166 |
$header_images[$header_index]['thumbnail_url'] = $url; |
|
1167 |
if ( isset( $header_data['width'] ) ) |
|
1168 |
$header_images[$header_index]['width'] = $header_data['width']; |
|
1169 |
if ( isset( $header_data['height'] ) ) |
|
1170 |
$header_images[$header_index]['height'] = $header_data['height']; |
|
1171 |
}
|
|
1172 |
||
1173 |
return $header_images; |
|
1174 |
}
|
|
1175 |
||
1176 |
/**
|
|
1177 |
* Get the header image data.
|
|
1178 |
*
|
|
1179 |
* @since 3.4.0
|
|
1180 |
*
|
|
1181 |
* @return object
|
|
1182 |
*/
|
|
1183 |
function get_custom_header() { |
|
1184 |
global $_wp_default_headers; |
|
1185 |
||
1186 |
if ( is_random_header_image() ) { |
|
1187 |
$data = _get_random_header_data(); |
|
1188 |
} else { |
|
1189 |
$data = get_theme_mod( 'header_image_data' ); |
|
1190 |
if ( ! $data && current_theme_supports( 'custom-header', 'default-image' ) ) { |
|
1191 |
$directory_args = array( get_template_directory_uri(), get_stylesheet_directory_uri() ); |
|
1192 |
$data = array(); |
|
1193 |
$data['url'] = $data['thumbnail_url'] = vsprintf( get_theme_support( 'custom-header', 'default-image' ), $directory_args ); |
|
1194 |
if ( ! empty( $_wp_default_headers ) ) { |
|
1195 |
foreach ( (array) $_wp_default_headers as $default_header ) { |
|
1196 |
$url = vsprintf( $default_header['url'], $directory_args ); |
|
1197 |
if ( $data['url'] == $url ) { |
|
1198 |
$data = $default_header; |
|
1199 |
$data['url'] = $url; |
|
1200 |
$data['thumbnail_url'] = vsprintf( $data['thumbnail_url'], $directory_args ); |
|
1201 |
break; |
|
1202 |
}
|
|
1203 |
}
|
|
1204 |
}
|
|
1205 |
}
|
|
1206 |
}
|
|
1207 |
||
1208 |
$default = array( |
|
1209 |
'url' => '', |
|
1210 |
'thumbnail_url' => '', |
|
1211 |
'width' => get_theme_support( 'custom-header', 'width' ), |
|
1212 |
'height' => get_theme_support( 'custom-header', 'height' ), |
|
1213 |
);
|
|
1214 |
return (object) wp_parse_args( $data, $default ); |
|
1215 |
}
|
|
1216 |
||
1217 |
/**
|
|
1218 |
* Register a selection of default headers to be displayed by the custom header admin UI.
|
|
1219 |
*
|
|
1220 |
* @since 3.0.0
|
|
1221 |
*
|
|
1222 |
* @param array $headers Array of headers keyed by a string id. The ids point to arrays containing 'url', 'thumbnail_url', and 'description' keys.
|
|
1223 |
*/
|
|
1224 |
function register_default_headers( $headers ) { |
|
1225 |
global $_wp_default_headers; |
|
1226 |
||
1227 |
$_wp_default_headers = array_merge( (array) $_wp_default_headers, (array) $headers ); |
|
1228 |
}
|
|
1229 |
||
1230 |
/**
|
|
1231 |
* Unregister default headers.
|
|
1232 |
*
|
|
1233 |
* This function must be called after register_default_headers() has already added the
|
|
1234 |
* header you want to remove.
|
|
1235 |
*
|
|
1236 |
* @see register_default_headers()
|
|
1237 |
* @since 3.0.0
|
|
1238 |
*
|
|
1239 |
* @param string|array $header The header string id (key of array) to remove, or an array thereof.
|
|
1240 |
* @return bool|void A single header returns true on success, false on failure.
|
|
1241 |
* There is currently no return value for multiple headers.
|
|
1242 |
*/
|
|
1243 |
function unregister_default_headers( $header ) { |
|
1244 |
global $_wp_default_headers; |
|
1245 |
if ( is_array( $header ) ) { |
|
1246 |
array_map( 'unregister_default_headers', $header ); |
|
1247 |
} elseif ( isset( $_wp_default_headers[ $header ] ) ) { |
|
1248 |
unset( $_wp_default_headers[ $header ] ); |
|
1249 |
return true; |
|
1250 |
} else { |
|
1251 |
return false; |
|
1252 |
}
|
|
1253 |
}
|
|
1254 |
||
1255 |
/**
|
|
1256 |
* Retrieve background image for custom background.
|
|
1257 |
*
|
|
1258 |
* @since 3.0.0
|
|
1259 |
*
|
|
1260 |
* @return string
|
|
1261 |
*/
|
|
1262 |
function get_background_image() { |
|
1263 |
return get_theme_mod('background_image', get_theme_support( 'custom-background', 'default-image' ) ); |
|
1264 |
}
|
|
1265 |
||
1266 |
/**
|
|
1267 |
* Display background image path.
|
|
1268 |
*
|
|
1269 |
* @since 3.0.0
|
|
1270 |
*/
|
|
1271 |
function background_image() { |
|
1272 |
echo get_background_image(); |
|
1273 |
}
|
|
1274 |
||
1275 |
/**
|
|
1276 |
* Retrieve value for custom background color.
|
|
1277 |
*
|
|
1278 |
* @since 3.0.0
|
|
1279 |
*
|
|
1280 |
* @return string
|
|
1281 |
*/
|
|
1282 |
function get_background_color() { |
|
1283 |
return get_theme_mod('background_color', get_theme_support( 'custom-background', 'default-color' ) ); |
|
1284 |
}
|
|
1285 |
||
1286 |
/**
|
|
1287 |
* Display background color value.
|
|
1288 |
*
|
|
1289 |
* @since 3.0.0
|
|
1290 |
*/
|
|
1291 |
function background_color() { |
|
1292 |
echo get_background_color(); |
|
1293 |
}
|
|
1294 |
||
1295 |
/**
|
|
1296 |
* Default custom background callback.
|
|
1297 |
*
|
|
1298 |
* @since 3.0.0
|
|
1299 |
* @access protected
|
|
1300 |
*/
|
|
1301 |
function _custom_background_cb() { |
|
1302 |
// $background is the saved custom image, or the default image.
|
|
1303 |
$background = set_url_scheme( get_background_image() ); |
|
1304 |
||
1305 |
// $color is the saved custom color.
|
|
1306 |
// A default has to be specified in style.css. It will not be printed here.
|
|
1307 |
$color = get_background_color(); |
|
1308 |
||
1309 |
if ( $color === get_theme_support( 'custom-background', 'default-color' ) ) { |
|
1310 |
$color = false; |
|
1311 |
}
|
|
1312 |
||
1313 |
if ( ! $background && ! $color ) |
|
1314 |
return; |
|
1315 |
||
1316 |
$style = $color ? "background-color: #$color;" : ''; |
|
1317 |
||
1318 |
if ( $background ) { |
|
1319 |
$image = " background-image: url('$background');"; |
|
1320 |
||
1321 |
$repeat = get_theme_mod( 'background_repeat', get_theme_support( 'custom-background', 'default-repeat' ) ); |
|
1322 |
if ( ! in_array( $repeat, array( 'no-repeat', 'repeat-x', 'repeat-y', 'repeat' ) ) ) |
|
1323 |
$repeat = 'repeat'; |
|
1324 |
$repeat = " background-repeat: $repeat;"; |
|
1325 |
||
1326 |
$position = get_theme_mod( 'background_position_x', get_theme_support( 'custom-background', 'default-position-x' ) ); |
|
1327 |
if ( ! in_array( $position, array( 'center', 'right', 'left' ) ) ) |
|
1328 |
$position = 'left'; |
|
1329 |
$position = " background-position: top $position;"; |
|
1330 |
||
1331 |
$attachment = get_theme_mod( 'background_attachment', get_theme_support( 'custom-background', 'default-attachment' ) ); |
|
1332 |
if ( ! in_array( $attachment, array( 'fixed', 'scroll' ) ) ) |
|
1333 |
$attachment = 'scroll'; |
|
1334 |
$attachment = " background-attachment: $attachment;"; |
|
1335 |
||
1336 |
$style .= $image . $repeat . $position . $attachment; |
|
1337 |
}
|
|
1338 |
?>
|
|
1339 |
<style type="text/css" id="custom-background-css">
|
|
1340 |
body.custom-background { <?php echo trim( $style ); ?> } |
|
1341 |
</style>
|
|
1342 |
<?php
|
|
1343 |
}
|
|
1344 |
||
1345 |
/**
|
|
1346 |
* Add callback for custom TinyMCE editor stylesheets.
|
|
1347 |
*
|
|
1348 |
* The parameter $stylesheet is the name of the stylesheet, relative to
|
|
1349 |
* the theme root. It also accepts an array of stylesheets.
|
|
1350 |
* It is optional and defaults to 'editor-style.css'.
|
|
1351 |
*
|
|
1352 |
* This function automatically adds another stylesheet with -rtl prefix, e.g. editor-style-rtl.css.
|
|
1353 |
* If that file doesn't exist, it is removed before adding the stylesheet(s) to TinyMCE.
|
|
1354 |
* If an array of stylesheets is passed to add_editor_style(),
|
|
1355 |
* RTL is only added for the first stylesheet.
|
|
1356 |
*
|
|
1357 |
* Since version 3.4 the TinyMCE body has .rtl CSS class.
|
|
1358 |
* It is a better option to use that class and add any RTL styles to the main stylesheet.
|
|
1359 |
*
|
|
1360 |
* @since 3.0.0
|
|
1361 |
*
|
|
1.1.1
by Nick Moffitt
New Upstream Version 4.1 |
1362 |
* @param array|string $stylesheet Optional. Stylesheet name or array thereof, relative to theme root.
|
1
by Jacek Nykis
Initial commit |
1363 |
* Defaults to 'editor-style.css'
|
1364 |
*/
|
|
1365 |
function add_editor_style( $stylesheet = 'editor-style.css' ) { |
|
1366 |
||
1367 |
add_theme_support( 'editor-style' ); |
|
1368 |
||
1369 |
if ( ! is_admin() ) |
|
1370 |
return; |
|
1371 |
||
1372 |
global $editor_styles; |
|
1373 |
$editor_styles = (array) $editor_styles; |
|
1374 |
$stylesheet = (array) $stylesheet; |
|
1375 |
if ( is_rtl() ) { |
|
1376 |
$rtl_stylesheet = str_replace('.css', '-rtl.css', $stylesheet[0]); |
|
1377 |
$stylesheet[] = $rtl_stylesheet; |
|
1378 |
}
|
|
1379 |
||
1380 |
$editor_styles = array_merge( $editor_styles, $stylesheet ); |
|
1381 |
}
|
|
1382 |
||
1383 |
/**
|
|
1384 |
* Removes all visual editor stylesheets.
|
|
1385 |
*
|
|
1386 |
* @since 3.1.0
|
|
1387 |
*
|
|
1388 |
* @return bool True on success, false if there were no stylesheets to remove.
|
|
1389 |
*/
|
|
1390 |
function remove_editor_styles() { |
|
1391 |
if ( ! current_theme_supports( 'editor-style' ) ) |
|
1392 |
return false; |
|
1393 |
_remove_theme_support( 'editor-style' ); |
|
1394 |
if ( is_admin() ) |
|
1395 |
$GLOBALS['editor_styles'] = array(); |
|
1396 |
return true; |
|
1397 |
}
|
|
1398 |
||
1399 |
/**
|
|
1400 |
* Retrieve any registered editor stylesheets
|
|
1401 |
*
|
|
1402 |
* @since 4.0.0
|
|
1403 |
*
|
|
1404 |
* @global $editor_styles Registered editor stylesheets
|
|
1405 |
*
|
|
1406 |
* @return array If registered, a list of editor stylesheet URLs.
|
|
1407 |
*/
|
|
1408 |
function get_editor_stylesheets() { |
|
1409 |
$stylesheets = array(); |
|
1410 |
// load editor_style.css if the current theme supports it
|
|
1411 |
if ( ! empty( $GLOBALS['editor_styles'] ) && is_array( $GLOBALS['editor_styles'] ) ) { |
|
1412 |
$editor_styles = $GLOBALS['editor_styles']; |
|
1413 |
||
1414 |
$editor_styles = array_unique( array_filter( $editor_styles ) ); |
|
1415 |
$style_uri = get_stylesheet_directory_uri(); |
|
1416 |
$style_dir = get_stylesheet_directory(); |
|
1417 |
||
1418 |
// Support externally referenced styles (like, say, fonts).
|
|
1419 |
foreach ( $editor_styles as $key => $file ) { |
|
1420 |
if ( preg_match( '~^(https?:)?//~', $file ) ) { |
|
1421 |
$stylesheets[] = esc_url_raw( $file ); |
|
1422 |
unset( $editor_styles[ $key ] ); |
|
1423 |
}
|
|
1424 |
}
|
|
1425 |
||
1426 |
// Look in a parent theme first, that way child theme CSS overrides.
|
|
1427 |
if ( is_child_theme() ) { |
|
1428 |
$template_uri = get_template_directory_uri(); |
|
1429 |
$template_dir = get_template_directory(); |
|
1430 |
||
1431 |
foreach ( $editor_styles as $key => $file ) { |
|
1432 |
if ( $file && file_exists( "$template_dir/$file" ) ) { |
|
1433 |
$stylesheets[] = "$template_uri/$file"; |
|
1434 |
}
|
|
1435 |
}
|
|
1436 |
}
|
|
1437 |
||
1438 |
foreach ( $editor_styles as $file ) { |
|
1439 |
if ( $file && file_exists( "$style_dir/$file" ) ) { |
|
1440 |
$stylesheets[] = "$style_uri/$file"; |
|
1441 |
}
|
|
1442 |
}
|
|
1443 |
}
|
|
1444 |
return $stylesheets; |
|
1445 |
}
|
|
1446 |
||
1447 |
/**
|
|
1448 |
* Allows a theme to register its support of a certain feature
|
|
1449 |
*
|
|
1450 |
* Must be called in the theme's functions.php file to work.
|
|
1451 |
* If attached to a hook, it must be after_setup_theme.
|
|
1452 |
* The init hook may be too late for some features.
|
|
1453 |
*
|
|
1454 |
* @since 2.9.0
|
|
1455 |
*
|
|
1456 |
* @param string $feature The feature being added.
|
|
1457 |
* @return void|bool False on failure, void otherwise.
|
|
1458 |
*/
|
|
1459 |
function add_theme_support( $feature ) { |
|
1460 |
global $_wp_theme_features; |
|
1461 |
||
1462 |
if ( func_num_args() == 1 ) |
|
1463 |
$args = true; |
|
1464 |
else
|
|
1465 |
$args = array_slice( func_get_args(), 1 ); |
|
1466 |
||
1467 |
switch ( $feature ) { |
|
1468 |
case 'post-formats' : |
|
1.1.1
by Nick Moffitt
New Upstream Version 4.1 |
1469 |
if ( is_array( $args[0] ) ) { |
1470 |
$post_formats = get_post_format_slugs(); |
|
1471 |
unset( $post_formats['standard'] ); |
|
1472 |
||
1473 |
$args[0] = array_intersect( $args[0], array_keys( $post_formats ) ); |
|
1474 |
}
|
|
1
by Jacek Nykis
Initial commit |
1475 |
break; |
1476 |
||
1477 |
case 'html5' : |
|
1478 |
// You can't just pass 'html5', you need to pass an array of types.
|
|
1479 |
if ( empty( $args[0] ) ) { |
|
1480 |
// Build an array of types for back-compat.
|
|
1481 |
$args = array( 0 => array( 'comment-list', 'comment-form', 'search-form' ) ); |
|
1482 |
} elseif ( ! is_array( $args[0] ) ) { |
|
1.1.1
by Nick Moffitt
New Upstream Version 4.1 |
1483 |
_doing_it_wrong( "add_theme_support( 'html5' )", __( 'You need to pass an array of types.' ), '3.6.1' ); |
1
by Jacek Nykis
Initial commit |
1484 |
return false; |
1485 |
}
|
|
1486 |
||
1487 |
// Calling 'html5' again merges, rather than overwrites.
|
|
1488 |
if ( isset( $_wp_theme_features['html5'] ) ) |
|
1489 |
$args[0] = array_merge( $_wp_theme_features['html5'][0], $args[0] ); |
|
1490 |
break; |
|
1491 |
||
1492 |
case 'custom-header-uploads' : |
|
1493 |
return add_theme_support( 'custom-header', array( 'uploads' => true ) ); |
|
1494 |
||
1495 |
case 'custom-header' : |
|
1496 |
if ( ! is_array( $args ) ) |
|
1497 |
$args = array( 0 => array() ); |
|
1498 |
||
1499 |
$defaults = array( |
|
1500 |
'default-image' => '', |
|
1501 |
'random-default' => false, |
|
1502 |
'width' => 0, |
|
1503 |
'height' => 0, |
|
1504 |
'flex-height' => false, |
|
1505 |
'flex-width' => false, |
|
1506 |
'default-text-color' => '', |
|
1507 |
'header-text' => true, |
|
1508 |
'uploads' => true, |
|
1509 |
'wp-head-callback' => '', |
|
1510 |
'admin-head-callback' => '', |
|
1511 |
'admin-preview-callback' => '', |
|
1512 |
);
|
|
1513 |
||
1514 |
$jit = isset( $args[0]['__jit'] ); |
|
1515 |
unset( $args[0]['__jit'] ); |
|
1516 |
||
1517 |
// Merge in data from previous add_theme_support() calls.
|
|
1518 |
// The first value registered wins. (A child theme is set up first.)
|
|
1519 |
if ( isset( $_wp_theme_features['custom-header'] ) ) |
|
1520 |
$args[0] = wp_parse_args( $_wp_theme_features['custom-header'][0], $args[0] ); |
|
1521 |
||
1522 |
// Load in the defaults at the end, as we need to insure first one wins.
|
|
1523 |
// This will cause all constants to be defined, as each arg will then be set to the default.
|
|
1524 |
if ( $jit ) |
|
1525 |
$args[0] = wp_parse_args( $args[0], $defaults ); |
|
1526 |
||
1527 |
// If a constant was defined, use that value. Otherwise, define the constant to ensure
|
|
1528 |
// the constant is always accurate (and is not defined later, overriding our value).
|
|
1529 |
// As stated above, the first value wins.
|
|
1530 |
// Once we get to wp_loaded (just-in-time), define any constants we haven't already.
|
|
1531 |
// Constants are lame. Don't reference them. This is just for backwards compatibility.
|
|
1532 |
||
1533 |
if ( defined( 'NO_HEADER_TEXT' ) ) |
|
1534 |
$args[0]['header-text'] = ! NO_HEADER_TEXT; |
|
1535 |
elseif ( isset( $args[0]['header-text'] ) ) |
|
1536 |
define( 'NO_HEADER_TEXT', empty( $args[0]['header-text'] ) ); |
|
1537 |
||
1538 |
if ( defined( 'HEADER_IMAGE_WIDTH' ) ) |
|
1539 |
$args[0]['width'] = (int) HEADER_IMAGE_WIDTH; |
|
1540 |
elseif ( isset( $args[0]['width'] ) ) |
|
1541 |
define( 'HEADER_IMAGE_WIDTH', (int) $args[0]['width'] ); |
|
1542 |
||
1543 |
if ( defined( 'HEADER_IMAGE_HEIGHT' ) ) |
|
1544 |
$args[0]['height'] = (int) HEADER_IMAGE_HEIGHT; |
|
1545 |
elseif ( isset( $args[0]['height'] ) ) |
|
1546 |
define( 'HEADER_IMAGE_HEIGHT', (int) $args[0]['height'] ); |
|
1547 |
||
1548 |
if ( defined( 'HEADER_TEXTCOLOR' ) ) |
|
1549 |
$args[0]['default-text-color'] = HEADER_TEXTCOLOR; |
|
1550 |
elseif ( isset( $args[0]['default-text-color'] ) ) |
|
1551 |
define( 'HEADER_TEXTCOLOR', $args[0]['default-text-color'] ); |
|
1552 |
||
1553 |
if ( defined( 'HEADER_IMAGE' ) ) |
|
1554 |
$args[0]['default-image'] = HEADER_IMAGE; |
|
1555 |
elseif ( isset( $args[0]['default-image'] ) ) |
|
1556 |
define( 'HEADER_IMAGE', $args[0]['default-image'] ); |
|
1557 |
||
1558 |
if ( $jit && ! empty( $args[0]['default-image'] ) ) |
|
1559 |
$args[0]['random-default'] = false; |
|
1560 |
||
1561 |
// If headers are supported, and we still don't have a defined width or height,
|
|
1562 |
// we have implicit flex sizes.
|
|
1563 |
if ( $jit ) { |
|
1564 |
if ( empty( $args[0]['width'] ) && empty( $args[0]['flex-width'] ) ) |
|
1565 |
$args[0]['flex-width'] = true; |
|
1566 |
if ( empty( $args[0]['height'] ) && empty( $args[0]['flex-height'] ) ) |
|
1567 |
$args[0]['flex-height'] = true; |
|
1568 |
}
|
|
1569 |
||
1570 |
break; |
|
1571 |
||
1572 |
case 'custom-background' : |
|
1573 |
if ( ! is_array( $args ) ) |
|
1574 |
$args = array( 0 => array() ); |
|
1575 |
||
1576 |
$defaults = array( |
|
1577 |
'default-image' => '', |
|
1578 |
'default-repeat' => 'repeat', |
|
1579 |
'default-position-x' => 'left', |
|
1580 |
'default-attachment' => 'scroll', |
|
1581 |
'default-color' => '', |
|
1582 |
'wp-head-callback' => '_custom_background_cb', |
|
1583 |
'admin-head-callback' => '', |
|
1584 |
'admin-preview-callback' => '', |
|
1585 |
);
|
|
1586 |
||
1587 |
$jit = isset( $args[0]['__jit'] ); |
|
1588 |
unset( $args[0]['__jit'] ); |
|
1589 |
||
1590 |
// Merge in data from previous add_theme_support() calls. The first value registered wins.
|
|
1591 |
if ( isset( $_wp_theme_features['custom-background'] ) ) |
|
1592 |
$args[0] = wp_parse_args( $_wp_theme_features['custom-background'][0], $args[0] ); |
|
1593 |
||
1594 |
if ( $jit ) |
|
1595 |
$args[0] = wp_parse_args( $args[0], $defaults ); |
|
1596 |
||
1597 |
if ( defined( 'BACKGROUND_COLOR' ) ) |
|
1598 |
$args[0]['default-color'] = BACKGROUND_COLOR; |
|
1599 |
elseif ( isset( $args[0]['default-color'] ) || $jit ) |
|
1600 |
define( 'BACKGROUND_COLOR', $args[0]['default-color'] ); |
|
1601 |
||
1602 |
if ( defined( 'BACKGROUND_IMAGE' ) ) |
|
1603 |
$args[0]['default-image'] = BACKGROUND_IMAGE; |
|
1604 |
elseif ( isset( $args[0]['default-image'] ) || $jit ) |
|
1605 |
define( 'BACKGROUND_IMAGE', $args[0]['default-image'] ); |
|
1606 |
||
1607 |
break; |
|
1.1.1
by Nick Moffitt
New Upstream Version 4.1 |
1608 |
|
1609 |
// Ensure that 'title-tag' is accessible in the admin.
|
|
1610 |
case 'title-tag' : |
|
1611 |
// Can be called in functions.php but must happen before wp_loaded, i.e. not in header.php.
|
|
1612 |
if ( did_action( 'wp_loaded' ) ) { |
|
1613 |
/* translators: 1: Theme support 2: hook name */
|
|
1614 |
_doing_it_wrong( "add_theme_support( 'title-tag' )", sprintf( __( 'Theme support for %1$s should be registered before the %2$s hook.' ), |
|
1615 |
'<code>title-tag</code>', '<code>wp_loaded</code>' ), '4.1' ); |
|
1616 |
||
1617 |
return false; |
|
1618 |
}
|
|
1
by Jacek Nykis
Initial commit |
1619 |
}
|
1620 |
||
1621 |
$_wp_theme_features[ $feature ] = $args; |
|
1622 |
}
|
|
1623 |
||
1624 |
/**
|
|
1625 |
* Registers the internal custom header and background routines.
|
|
1626 |
*
|
|
1627 |
* @since 3.4.0
|
|
1628 |
* @access private
|
|
1629 |
*/
|
|
1630 |
function _custom_header_background_just_in_time() { |
|
1631 |
global $custom_image_header, $custom_background; |
|
1632 |
||
1633 |
if ( current_theme_supports( 'custom-header' ) ) { |
|
1634 |
// In case any constants were defined after an add_custom_image_header() call, re-run.
|
|
1635 |
add_theme_support( 'custom-header', array( '__jit' => true ) ); |
|
1636 |
||
1637 |
$args = get_theme_support( 'custom-header' ); |
|
1638 |
if ( $args[0]['wp-head-callback'] ) |
|
1639 |
add_action( 'wp_head', $args[0]['wp-head-callback'] ); |
|
1640 |
||
1641 |
if ( is_admin() ) { |
|
1642 |
require_once( ABSPATH . 'wp-admin/custom-header.php' ); |
|
1643 |
$custom_image_header = new Custom_Image_Header( $args[0]['admin-head-callback'], $args[0]['admin-preview-callback'] ); |
|
1644 |
}
|
|
1645 |
}
|
|
1646 |
||
1647 |
if ( current_theme_supports( 'custom-background' ) ) { |
|
1648 |
// In case any constants were defined after an add_custom_background() call, re-run.
|
|
1649 |
add_theme_support( 'custom-background', array( '__jit' => true ) ); |
|
1650 |
||
1651 |
$args = get_theme_support( 'custom-background' ); |
|
1652 |
add_action( 'wp_head', $args[0]['wp-head-callback'] ); |
|
1653 |
||
1654 |
if ( is_admin() ) { |
|
1655 |
require_once( ABSPATH . 'wp-admin/custom-background.php' ); |
|
1656 |
$custom_background = new Custom_Background( $args[0]['admin-head-callback'], $args[0]['admin-preview-callback'] ); |
|
1657 |
}
|
|
1658 |
}
|
|
1659 |
}
|
|
1660 |
||
1661 |
/**
|
|
1662 |
* Gets the theme support arguments passed when registering that support
|
|
1663 |
*
|
|
1664 |
* @since 3.1.0
|
|
1665 |
*
|
|
1666 |
* @param string $feature the feature to check
|
|
1.1.1
by Nick Moffitt
New Upstream Version 4.1 |
1667 |
* @return mixed The array of extra arguments or the value for the registered feature.
|
1
by Jacek Nykis
Initial commit |
1668 |
*/
|
1669 |
function get_theme_support( $feature ) { |
|
1670 |
global $_wp_theme_features; |
|
1671 |
if ( ! isset( $_wp_theme_features[ $feature ] ) ) |
|
1672 |
return false; |
|
1673 |
||
1674 |
if ( func_num_args() <= 1 ) |
|
1675 |
return $_wp_theme_features[ $feature ]; |
|
1676 |
||
1677 |
$args = array_slice( func_get_args(), 1 ); |
|
1678 |
switch ( $feature ) { |
|
1679 |
case 'custom-header' : |
|
1680 |
case 'custom-background' : |
|
1681 |
if ( isset( $_wp_theme_features[ $feature ][0][ $args[0] ] ) ) |
|
1682 |
return $_wp_theme_features[ $feature ][0][ $args[0] ]; |
|
1683 |
return false; |
|
1684 |
||
1685 |
default : |
|
1686 |
return $_wp_theme_features[ $feature ]; |
|
1687 |
}
|
|
1688 |
}
|
|
1689 |
||
1690 |
/**
|
|
1691 |
* Allows a theme to de-register its support of a certain feature
|
|
1692 |
*
|
|
1693 |
* Should be called in the theme's functions.php file. Generally would
|
|
1694 |
* be used for child themes to override support from the parent theme.
|
|
1695 |
*
|
|
1696 |
* @since 3.0.0
|
|
1697 |
* @see add_theme_support()
|
|
1698 |
* @param string $feature the feature being added
|
|
1.1.1
by Nick Moffitt
New Upstream Version 4.1 |
1699 |
* @return null|bool Whether feature was removed.
|
1
by Jacek Nykis
Initial commit |
1700 |
*/
|
1701 |
function remove_theme_support( $feature ) { |
|
1702 |
// Blacklist: for internal registrations not used directly by themes.
|
|
1703 |
if ( in_array( $feature, array( 'editor-style', 'widgets', 'menus' ) ) ) |
|
1704 |
return false; |
|
1705 |
||
1706 |
return _remove_theme_support( $feature ); |
|
1707 |
}
|
|
1708 |
||
1709 |
/**
|
|
1710 |
* Do not use. Removes theme support internally, ignorant of the blacklist.
|
|
1711 |
*
|
|
1712 |
* @access private
|
|
1713 |
* @since 3.1.0
|
|
1.1.1
by Nick Moffitt
New Upstream Version 4.1 |
1714 |
* @param string $feature
|
1
by Jacek Nykis
Initial commit |
1715 |
*/
|
1716 |
function _remove_theme_support( $feature ) { |
|
1717 |
global $_wp_theme_features; |
|
1718 |
||
1719 |
switch ( $feature ) { |
|
1720 |
case 'custom-header-uploads' : |
|
1721 |
if ( ! isset( $_wp_theme_features['custom-header'] ) ) |
|
1722 |
return false; |
|
1723 |
add_theme_support( 'custom-header', array( 'uploads' => false ) ); |
|
1724 |
return; // Do not continue - custom-header-uploads no longer exists. |
|
1725 |
}
|
|
1726 |
||
1727 |
if ( ! isset( $_wp_theme_features[ $feature ] ) ) |
|
1728 |
return false; |
|
1729 |
||
1730 |
switch ( $feature ) { |
|
1731 |
case 'custom-header' : |
|
1732 |
if ( ! did_action( 'wp_loaded' ) ) |
|
1733 |
break; |
|
1734 |
$support = get_theme_support( 'custom-header' ); |
|
1735 |
if ( $support[0]['wp-head-callback'] ) |
|
1736 |
remove_action( 'wp_head', $support[0]['wp-head-callback'] ); |
|
1737 |
remove_action( 'admin_menu', array( $GLOBALS['custom_image_header'], 'init' ) ); |
|
1738 |
unset( $GLOBALS['custom_image_header'] ); |
|
1739 |
break; |
|
1740 |
||
1741 |
case 'custom-background' : |
|
1742 |
if ( ! did_action( 'wp_loaded' ) ) |
|
1743 |
break; |
|
1744 |
$support = get_theme_support( 'custom-background' ); |
|
1745 |
remove_action( 'wp_head', $support[0]['wp-head-callback'] ); |
|
1746 |
remove_action( 'admin_menu', array( $GLOBALS['custom_background'], 'init' ) ); |
|
1747 |
unset( $GLOBALS['custom_background'] ); |
|
1748 |
break; |
|
1749 |
}
|
|
1750 |
||
1751 |
unset( $_wp_theme_features[ $feature ] ); |
|
1752 |
return true; |
|
1753 |
}
|
|
1754 |
||
1755 |
/**
|
|
1756 |
* Checks a theme's support for a given feature
|
|
1757 |
*
|
|
1758 |
* @since 2.9.0
|
|
1759 |
* @param string $feature the feature being checked
|
|
1760 |
* @return boolean
|
|
1761 |
*/
|
|
1762 |
function current_theme_supports( $feature ) { |
|
1763 |
global $_wp_theme_features; |
|
1764 |
||
1765 |
if ( 'custom-header-uploads' == $feature ) |
|
1766 |
return current_theme_supports( 'custom-header', 'uploads' ); |
|
1767 |
||
1768 |
if ( !isset( $_wp_theme_features[$feature] ) ) |
|
1769 |
return false; |
|
1770 |
||
1.1.1
by Nick Moffitt
New Upstream Version 4.1 |
1771 |
if ( 'title-tag' == $feature ) { |
1772 |
// Don't confirm support unless called internally.
|
|
1773 |
$trace = debug_backtrace(); |
|
1774 |
if ( ! in_array( $trace[1]['function'], array( '_wp_render_title_tag', 'wp_title' ) ) ) { |
|
1775 |
return false; |
|
1776 |
}
|
|
1777 |
}
|
|
1778 |
||
1
by Jacek Nykis
Initial commit |
1779 |
// If no args passed then no extra checks need be performed
|
1780 |
if ( func_num_args() <= 1 ) |
|
1781 |
return true; |
|
1782 |
||
1783 |
$args = array_slice( func_get_args(), 1 ); |
|
1784 |
||
1785 |
switch ( $feature ) { |
|
1786 |
case 'post-thumbnails': |
|
1787 |
// post-thumbnails can be registered for only certain content/post types by passing
|
|
1788 |
// an array of types to add_theme_support(). If no array was passed, then
|
|
1789 |
// any type is accepted
|
|
1790 |
if ( true === $_wp_theme_features[$feature] ) // Registered for all types |
|
1791 |
return true; |
|
1792 |
$content_type = $args[0]; |
|
1793 |
return in_array( $content_type, $_wp_theme_features[$feature][0] ); |
|
1794 |
||
1795 |
case 'html5': |
|
1796 |
case 'post-formats': |
|
1797 |
// specific post formats can be registered by passing an array of types to
|
|
1798 |
// add_theme_support()
|
|
1799 |
||
1800 |
// Specific areas of HTML5 support *must* be passed via an array to add_theme_support()
|
|
1801 |
||
1802 |
$type = $args[0]; |
|
1803 |
return in_array( $type, $_wp_theme_features[$feature][0] ); |
|
1804 |
||
1805 |
case 'custom-header': |
|
1806 |
case 'custom-background' : |
|
1807 |
// specific custom header and background capabilities can be registered by passing
|
|
1808 |
// an array to add_theme_support()
|
|
1809 |
$header_support = $args[0]; |
|
1810 |
return ( isset( $_wp_theme_features[$feature][0][$header_support] ) && $_wp_theme_features[$feature][0][$header_support] ); |
|
1811 |
}
|
|
1812 |
||
1813 |
/**
|
|
1814 |
* Filter whether the current theme supports a specific feature.
|
|
1815 |
*
|
|
1.1.1
by Nick Moffitt
New Upstream Version 4.1 |
1816 |
* The dynamic portion of the hook name, `$feature`, refers to the specific theme
|
1817 |
* feature. Possible values include 'post-formats', 'post-thumbnails', 'custom-background',
|
|
1818 |
* 'custom-header', 'menus', 'automatic-feed-links', and 'html5'.
|
|
1
by Jacek Nykis
Initial commit |
1819 |
*
|
1820 |
* @since 3.4.0
|
|
1821 |
*
|
|
1822 |
* @param bool true Whether the current theme supports the given feature. Default true.
|
|
1823 |
* @param array $args Array of arguments for the feature.
|
|
1824 |
* @param string $feature The theme feature.
|
|
1825 |
*/
|
|
1826 |
return apply_filters( "current_theme_supports-{$feature}", true, $args, $_wp_theme_features[$feature] ); |
|
1827 |
}
|
|
1828 |
||
1829 |
/**
|
|
1830 |
* Checks a theme's support for a given feature before loading the functions which implement it.
|
|
1831 |
*
|
|
1832 |
* @since 2.9.0
|
|
1833 |
*
|
|
1834 |
* @param string $feature The feature being checked.
|
|
1835 |
* @param string $include Path to the file.
|
|
1836 |
* @return bool True if the current theme supports the supplied feature, false otherwise.
|
|
1837 |
*/
|
|
1838 |
function require_if_theme_supports( $feature, $include ) { |
|
1839 |
if ( current_theme_supports( $feature ) ) { |
|
1840 |
require ( $include ); |
|
1841 |
return true; |
|
1842 |
}
|
|
1843 |
return false; |
|
1844 |
}
|
|
1845 |
||
1846 |
/**
|
|
1847 |
* Checks an attachment being deleted to see if it's a header or background image.
|
|
1848 |
*
|
|
1849 |
* If true it removes the theme modification which would be pointing at the deleted
|
|
1850 |
* attachment
|
|
1851 |
*
|
|
1852 |
* @access private
|
|
1853 |
* @since 3.0.0
|
|
1854 |
* @param int $id the attachment id
|
|
1855 |
*/
|
|
1856 |
function _delete_attachment_theme_mod( $id ) { |
|
1857 |
$attachment_image = wp_get_attachment_url( $id ); |
|
1858 |
$header_image = get_header_image(); |
|
1859 |
$background_image = get_background_image(); |
|
1860 |
||
1861 |
if ( $header_image && $header_image == $attachment_image ) |
|
1862 |
remove_theme_mod( 'header_image' ); |
|
1863 |
||
1864 |
if ( $background_image && $background_image == $attachment_image ) |
|
1865 |
remove_theme_mod( 'background_image' ); |
|
1866 |
}
|
|
1867 |
||
1868 |
/**
|
|
1869 |
* Checks if a theme has been changed and runs 'after_switch_theme' hook on the next WP load
|
|
1870 |
*
|
|
1871 |
* @since 3.3.0
|
|
1872 |
*/
|
|
1873 |
function check_theme_switched() { |
|
1874 |
if ( $stylesheet = get_option( 'theme_switched' ) ) { |
|
1875 |
$old_theme = wp_get_theme( $stylesheet ); |
|
1876 |
||
1877 |
// Prevent retrieve_widgets() from running since Customizer already called it up front
|
|
1878 |
if ( get_option( 'theme_switched_via_customizer' ) ) { |
|
1879 |
remove_action( 'after_switch_theme', '_wp_sidebars_changed' ); |
|
1880 |
update_option( 'theme_switched_via_customizer', false ); |
|
1881 |
}
|
|
1882 |
||
1883 |
if ( $old_theme->exists() ) { |
|
1884 |
/**
|
|
1885 |
* Fires on the first WP load after a theme switch if the old theme still exists.
|
|
1886 |
*
|
|
1887 |
* This action fires multiple times and the parameters differs
|
|
1888 |
* according to the context, if the old theme exists or not.
|
|
1889 |
* If the old theme is missing, the parameter will be the slug
|
|
1890 |
* of the old theme.
|
|
1891 |
*
|
|
1892 |
* @since 3.3.0
|
|
1893 |
*
|
|
1894 |
* @param string $old_name Old theme name.
|
|
1895 |
* @param WP_Theme $old_theme WP_Theme instance of the old theme.
|
|
1896 |
*/
|
|
1897 |
do_action( 'after_switch_theme', $old_theme->get( 'Name' ), $old_theme ); |
|
1898 |
} else { |
|
1899 |
/** This action is documented in wp-includes/theme.php */
|
|
1900 |
do_action( 'after_switch_theme', $stylesheet ); |
|
1901 |
}
|
|
1902 |
||
1903 |
update_option( 'theme_switched', false ); |
|
1904 |
}
|
|
1905 |
}
|
|
1906 |
||
1907 |
/**
|
|
1908 |
* Includes and instantiates the WP_Customize_Manager class.
|
|
1909 |
*
|
|
1910 |
* Fires when ?wp_customize=on or on wp-admin/customize.php.
|
|
1911 |
*
|
|
1912 |
* @since 3.4.0
|
|
1913 |
*/
|
|
1914 |
function _wp_customize_include() { |
|
1915 |
if ( ! ( ( isset( $_REQUEST['wp_customize'] ) && 'on' == $_REQUEST['wp_customize'] ) |
|
1916 |
|| ( is_admin() && 'customize.php' == basename( $_SERVER['PHP_SELF'] ) ) |
|
1917 |
) ) |
|
1918 |
return; |
|
1919 |
||
1920 |
require( ABSPATH . WPINC . '/class-wp-customize-manager.php' ); |
|
1921 |
// Init Customize class
|
|
1922 |
$GLOBALS['wp_customize'] = new WP_Customize_Manager; |
|
1923 |
}
|
|
1924 |
||
1925 |
/**
|
|
1926 |
* Adds settings for the customize-loader script.
|
|
1927 |
*
|
|
1928 |
* @since 3.4.0
|
|
1929 |
*/
|
|
1930 |
function _wp_customize_loader_settings() { |
|
1931 |
global $wp_scripts; |
|
1932 |
||
1933 |
$admin_origin = parse_url( admin_url() ); |
|
1934 |
$home_origin = parse_url( home_url() ); |
|
1935 |
$cross_domain = ( strtolower( $admin_origin[ 'host' ] ) != strtolower( $home_origin[ 'host' ] ) ); |
|
1936 |
||
1937 |
$browser = array( |
|
1938 |
'mobile' => wp_is_mobile(), |
|
1939 |
'ios' => wp_is_mobile() && preg_match( '/iPad|iPod|iPhone/', $_SERVER['HTTP_USER_AGENT'] ), |
|
1940 |
);
|
|
1941 |
||
1942 |
$settings = array( |
|
1943 |
'url' => esc_url( admin_url( 'customize.php' ) ), |
|
1944 |
'isCrossDomain' => $cross_domain, |
|
1945 |
'browser' => $browser, |
|
1946 |
'l10n' => array( |
|
1.1.4
by Paul Gear
new upstream release 4.2 |
1947 |
'saveAlert' => __( 'The changes you made will be lost if you navigate away from this page.' ), |
1948 |
'mainIframeTitle' => __( 'Customizer' ), |
|
1
by Jacek Nykis
Initial commit |
1949 |
),
|
1950 |
);
|
|
1951 |
||
1.1.1
by Nick Moffitt
New Upstream Version 4.1 |
1952 |
$script = 'var _wpCustomizeLoaderSettings = ' . wp_json_encode( $settings ) . ';'; |
1
by Jacek Nykis
Initial commit |
1953 |
|
1954 |
$data = $wp_scripts->get_data( 'customize-loader', 'data' ); |
|
1955 |
if ( $data ) |
|
1956 |
$script = "$data\n$script"; |
|
1957 |
||
1958 |
$wp_scripts->add_data( 'customize-loader', 'data', $script ); |
|
1959 |
}
|
|
1960 |
||
1961 |
/**
|
|
1.1.1
by Nick Moffitt
New Upstream Version 4.1 |
1962 |
* Returns a URL to load the Customizer.
|
1
by Jacek Nykis
Initial commit |
1963 |
*
|
1964 |
* @since 3.4.0
|
|
1965 |
*
|
|
1966 |
* @param string $stylesheet Optional. Theme to customize. Defaults to current theme.
|
|
1967 |
* The theme's stylesheet will be urlencoded if necessary.
|
|
1968 |
*/
|
|
1969 |
function wp_customize_url( $stylesheet = null ) { |
|
1970 |
$url = admin_url( 'customize.php' ); |
|
1971 |
if ( $stylesheet ) |
|
1972 |
$url .= '?theme=' . urlencode( $stylesheet ); |
|
1973 |
return esc_url( $url ); |
|
1974 |
}
|
|
1975 |
||
1976 |
/**
|
|
1.1.1
by Nick Moffitt
New Upstream Version 4.1 |
1977 |
* Prints a script to check whether or not the Customizer is supported,
|
1
by Jacek Nykis
Initial commit |
1978 |
* and apply either the no-customize-support or customize-support class
|
1979 |
* to the body.
|
|
1980 |
*
|
|
1981 |
* This function MUST be called inside the body tag.
|
|
1982 |
*
|
|
1983 |
* Ideally, call this function immediately after the body tag is opened.
|
|
1984 |
* This prevents a flash of unstyled content.
|
|
1985 |
*
|
|
1986 |
* It is also recommended that you add the "no-customize-support" class
|
|
1987 |
* to the body tag by default.
|
|
1988 |
*
|
|
1989 |
* @since 3.4.0
|
|
1990 |
*/
|
|
1991 |
function wp_customize_support_script() { |
|
1992 |
$admin_origin = parse_url( admin_url() ); |
|
1993 |
$home_origin = parse_url( home_url() ); |
|
1994 |
$cross_domain = ( strtolower( $admin_origin[ 'host' ] ) != strtolower( $home_origin[ 'host' ] ) ); |
|
1995 |
||
1996 |
?>
|
|
1997 |
<script type="text/javascript">
|
|
1998 |
(function() {
|
|
1999 |
var request, b = document.body, c = 'className', cs = 'customize-support', rcs = new RegExp('(^|\\s+)(no-)?'+cs+'(\\s+|$)');
|
|
2000 |
||
2001 |
<?php if ( $cross_domain ): ?> |
|
2002 |
request = (function(){ var xhr = new XMLHttpRequest(); return ('withCredentials' in xhr); })();
|
|
2003 |
<?php else: ?> |
|
2004 |
request = true;
|
|
2005 |
<?php endif; ?> |
|
2006 |
||
2007 |
b[c] = b[c].replace( rcs, ' ' );
|
|
2008 |
b[c] += ( window.postMessage && request ? ' ' : ' no-' ) + cs;
|
|
2009 |
}());
|
|
2010 |
</script>
|
|
2011 |
<?php |
|
2012 |
}
|
|
2013 |
||
2014 |
/**
|
|
2015 |
* Whether the site is being previewed in the Customizer.
|
|
2016 |
*
|
|
2017 |
* @since 4.0.0
|
|
2018 |
*
|
|
2019 |
* @global WP_Customize_Manager $wp_customize Customizer instance.
|
|
2020 |
*
|
|
2021 |
* @return bool True if the site is being previewed in the Customizer, false otherwise.
|
|
2022 |
*/
|
|
2023 |
function is_customize_preview() { |
|
2024 |
global $wp_customize; |
|
2025 |
||
1.1.4
by Paul Gear
new upstream release 4.2 |
2026 |
return ( $wp_customize instanceof WP_Customize_Manager ) && $wp_customize->is_preview(); |
1
by Jacek Nykis
Initial commit |
2027 |
}
|