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< ? php
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/**
* WordPress Theme Administration API
*
* @ package WordPress
* @ subpackage Administration
*/
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/**
* Remove a theme
*
* @ since 2.8 . 0
*
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* @ global WP_Filesystem_Base $wp_filesystem Subclass
*
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* @ param string $stylesheet Stylesheet of the theme to delete
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* @ param string $redirect Redirect to page when complete .
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* @ return void | bool | WP_Error When void , echoes content .
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*/
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function delete_theme ( $stylesheet , $redirect = '' ) {
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global $wp_filesystem ;
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if ( empty ( $stylesheet ) )
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return false ;
ob_start ();
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if ( empty ( $redirect ) )
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$redirect = wp_nonce_url ( 'themes.php?action=delete&stylesheet=' . urlencode ( $stylesheet ), 'delete-theme_' . $stylesheet );
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if ( false === ( $credentials = request_filesystem_credentials ( $redirect )) ) {
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$data = ob_get_clean ();
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if ( ! empty ( $data ) ){
include_once ( ABSPATH . 'wp-admin/admin-header.php' );
echo $data ;
include ( ABSPATH . 'wp-admin/admin-footer.php' );
exit ;
}
return ;
}
if ( ! WP_Filesystem ( $credentials ) ) {
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request_filesystem_credentials ( $redirect , '' , true ); // Failed to connect, Error and request again
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$data = ob_get_clean ();
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if ( ! empty ( $data ) ) {
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include_once ( ABSPATH . 'wp-admin/admin-header.php' );
echo $data ;
include ( ABSPATH . 'wp-admin/admin-footer.php' );
exit ;
}
return ;
}
if ( ! is_object ( $wp_filesystem ) )
return new WP_Error ( 'fs_unavailable' , __ ( 'Could not access filesystem.' ));
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if ( is_wp_error ( $wp_filesystem -> errors ) && $wp_filesystem -> errors -> get_error_code () )
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return new WP_Error ( 'fs_error' , __ ( 'Filesystem error.' ), $wp_filesystem -> errors );
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// Get the base plugin folder.
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$themes_dir = $wp_filesystem -> wp_themes_dir ();
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if ( empty ( $themes_dir ) ) {
return new WP_Error ( 'fs_no_themes_dir' , __ ( 'Unable to locate WordPress theme directory.' ) );
}
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$themes_dir = trailingslashit ( $themes_dir );
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$theme_dir = trailingslashit ( $themes_dir . $stylesheet );
$deleted = $wp_filesystem -> delete ( $theme_dir , true );
if ( ! $deleted ) {
return new WP_Error ( 'could_not_remove_theme' , sprintf ( __ ( 'Could not fully remove the theme %s.' ), $stylesheet ) );
}
$theme_translations = wp_get_installed_translations ( 'themes' );
// Remove language files, silently.
if ( ! empty ( $theme_translations [ $stylesheet ] ) ) {
$translations = $theme_translations [ $stylesheet ];
foreach ( $translations as $translation => $data ) {
$wp_filesystem -> delete ( WP_LANG_DIR . '/themes/' . $stylesheet . '-' . $translation . '.po' );
$wp_filesystem -> delete ( WP_LANG_DIR . '/themes/' . $stylesheet . '-' . $translation . '.mo' );
}
}
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// Force refresh of theme update information.
delete_site_transient ( 'update_themes' );
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return true ;
}
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/**
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* Get the Page Templates available in this theme
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*
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* @ since 1.5 . 0
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*
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* @ param WP_Post | null $post Optional . The post being edited , provided for context .
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* @ return array Key is the template name , value is the filename of the template
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*/
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function get_page_templates ( $post = null ) {
return array_flip ( wp_get_theme () -> get_page_templates ( $post ) );
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}
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/**
* Tidies a filename for url display by the theme editor .
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*
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* @ since 2.9 . 0
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* @ access private
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*
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* @ param string $fullpath Full path to the theme file
* @ param string $containingfolder Path of the theme parent folder
* @ return string
*/
function _get_template_edit_filename ( $fullpath , $containingfolder ) {
return str_replace ( dirname ( dirname ( $containingfolder )) , '' , $fullpath );
}
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/**
* Check if there is an update for a theme available .
*
* Will display link , if there is an update available .
*
* @ since 2.7 . 0
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* @ see get_theme_update_available ()
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*
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* @ param WP_Theme $theme Theme data object .
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*/
function theme_update_available ( $theme ) {
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echo get_theme_update_available ( $theme );
}
/**
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* Retrieve the update link if there is a theme update available .
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*
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* Will return a link if there is an update available .
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*
* @ since 3.8 . 0
*
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* @ staticvar object $themes_update
*
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* @ param WP_Theme $theme WP_Theme object .
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* @ return false | string HTML for the update link , or false if invalid info was passed .
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*/
function get_theme_update_available ( $theme ) {
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static $themes_update = null ;
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if ( ! current_user_can ( 'update_themes' ) )
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return false ;
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if ( ! isset ( $themes_update ) )
$themes_update = get_site_transient ( 'update_themes' );
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if ( ! ( $theme instanceof WP_Theme ) ) {
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return false ;
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}
Introduce WP_Theme, wp_get_themes(), and wp_get_theme() to replace get_themes(), get_theme(), get_theme_data(), current_theme_info(), and others.
* Getters and Helpers: Introduces a series of methods to allow for easy generation of headers for display, and other theme metadata, including page templates.
* Screenshots: Handles support for multiple screenshots. (see # Additional screenshots must be PNG and start with screenshot-2.png, and be sequential to be counted. see #19816.
* Error Handling: Broken themes have a WP_Error object attached to them.
* Caching: Introduces a wp_cache_themes_persistently filter (also in [20020]) to enable persistent caching of all filesystem and sanitization operations normally handled by WP_Theme (and formerly get_file_data() and get_themes()). Themes are cached individually and across five different cache keys for different data pieces.
* Compatibility: A WP_Theme object is backwards compatible with a theme's array formerly returned by get_themes() and get_theme(), and an stdClass object formerly returned by current_theme_info().
* i18n/L10n: Theme headers are now localizable with proper Text Domain and Domain Path headers, like plugins. (Language packs may remove the requirement for headers.) For page templates, see #6007 (not fixed yet, but will be easy now). For headers, fixes #15858.
* PHP and CSS files: New methods that fetch a list of theme files (for the theme editor) only on demand, rather than only loading them into memory. fixes #11214.
Functions deprecated:
* get_themes(), get_allowed_themes() and get_broken_themes() -- use wp_get_themes()
* get_theme() and current_theme_info() -- use wp_get_theme()
* get_site_allowed_themes() -- use WP_Theme::get_allowed_on_network()
* wpmu_get_blog_allowedthemes() -- use WP_theme::get_allowed_on_site()
see also [20016], [20018], [20019], [20020], [20021], [20022], [20025], [20026], [20027]. also fixes #19244.
see #20103.
git-svn-id: http://svn.automattic.com/wordpress/trunk@20029 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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$stylesheet = $theme -> get_stylesheet ();
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$html = '' ;
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if ( isset ( $themes_update -> response [ $stylesheet ]) ) {
$update = $themes_update -> response [ $stylesheet ];
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$theme_name = $theme -> display ( 'Name' );
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$details_url = add_query_arg ( array ( 'TB_iframe' => 'true' , 'width' => 1024 , 'height' => 800 ), $update [ 'url' ]); //Theme browser inside WP? replace this, Also, theme preview JS will override this on the available list.
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$update_url = wp_nonce_url ( admin_url ( 'update.php?action=upgrade-theme&theme=' . urlencode ( $stylesheet ) ), 'upgrade-theme_' . $stylesheet );
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$update_onclick = 'onclick="if ( confirm(\'' . esc_js ( __ ( " Updating this theme will lose any customizations you have made. 'Cancel' to stop, 'OK' to update. " ) ) . '\') ) {return true;}return false;"' ;
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if ( ! is_multisite () ) {
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if ( ! current_user_can ( 'update_themes' ) ) {
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$html = sprintf ( '<p><strong>' . __ ( 'There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s details</a>.' ) . '</strong></p>' ,
$theme_name , esc_url ( $details_url ), esc_attr ( $theme [ 'Name' ] ), $update [ 'new_version' ] );
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} elseif ( empty ( $update [ 'package' ] ) ) {
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$html = sprintf ( '<p><strong>' . __ ( 'There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s details</a>. <em>Automatic update is unavailable for this theme.</em>' ) . '</strong></p>' ,
$theme_name , esc_url ( $details_url ), esc_attr ( $theme [ 'Name' ] ), $update [ 'new_version' ] );
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} else {
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$html = sprintf ( '<p><strong>' . __ ( 'There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s details</a> or <a href="%5$s">update now</a>.' ) . '</strong></p>' ,
$theme_name , esc_url ( $details_url ), esc_attr ( $theme [ 'Name' ] ), $update [ 'new_version' ], $update_url , $update_onclick );
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}
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}
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}
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return $html ;
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}
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/**
* Retrieve list of WordPress theme features ( aka theme tags )
*
* @ since 3.1 . 0
*
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* @ param bool $api Optional . Whether try to fetch tags from the WordPress . org API . Defaults to true .
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* @ return array Array of features keyed by category with translations keyed by slug .
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*/
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function get_theme_feature_list ( $api = true ) {
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// Hard-coded list is used if api not accessible.
$features = array (
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__ ( 'Colors' ) => array (
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'black' => __ ( 'Black' ),
'blue' => __ ( 'Blue' ),
'brown' => __ ( 'Brown' ),
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'gray' => __ ( 'Gray' ),
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'green' => __ ( 'Green' ),
'orange' => __ ( 'Orange' ),
'pink' => __ ( 'Pink' ),
'purple' => __ ( 'Purple' ),
'red' => __ ( 'Red' ),
'silver' => __ ( 'Silver' ),
'tan' => __ ( 'Tan' ),
'white' => __ ( 'White' ),
'yellow' => __ ( 'Yellow' ),
'dark' => __ ( 'Dark' ),
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'light' => __ ( 'Light' ),
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),
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__ ( 'Layout' ) => array (
'fixed-layout' => __ ( 'Fixed Layout' ),
'fluid-layout' => __ ( 'Fluid Layout' ),
'responsive-layout' => __ ( 'Responsive Layout' ),
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'one-column' => __ ( 'One Column' ),
'two-columns' => __ ( 'Two Columns' ),
'three-columns' => __ ( 'Three Columns' ),
'four-columns' => __ ( 'Four Columns' ),
'left-sidebar' => __ ( 'Left Sidebar' ),
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'right-sidebar' => __ ( 'Right Sidebar' ),
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),
__ ( 'Features' ) => array (
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'accessibility-ready' => __ ( 'Accessibility Ready' ),
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'blavatar' => __ ( 'Blavatar' ),
'buddypress' => __ ( 'BuddyPress' ),
'custom-background' => __ ( 'Custom Background' ),
'custom-colors' => __ ( 'Custom Colors' ),
'custom-header' => __ ( 'Custom Header' ),
'custom-menu' => __ ( 'Custom Menu' ),
'editor-style' => __ ( 'Editor Style' ),
'featured-image-header' => __ ( 'Featured Image Header' ),
'featured-images' => __ ( 'Featured Images' ),
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'flexible-header' => __ ( 'Flexible Header' ),
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'front-page-post-form' => __ ( 'Front Page Posting' ),
'full-width-template' => __ ( 'Full Width Template' ),
'microformats' => __ ( 'Microformats' ),
'post-formats' => __ ( 'Post Formats' ),
'rtl-language-support' => __ ( 'RTL Language Support' ),
'sticky-post' => __ ( 'Sticky Post' ),
'theme-options' => __ ( 'Theme Options' ),
'threaded-comments' => __ ( 'Threaded Comments' ),
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'translation-ready' => __ ( 'Translation Ready' ),
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),
__ ( 'Subject' ) => array (
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'holiday' => __ ( 'Holiday' ),
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'photoblogging' => __ ( 'Photoblogging' ),
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'seasonal' => __ ( 'Seasonal' ),
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)
);
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if ( ! $api || ! current_user_can ( 'install_themes' ) )
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return $features ;
if ( ! $feature_list = get_site_transient ( 'wporg_theme_feature_list' ) )
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set_site_transient ( 'wporg_theme_feature_list' , array (), 3 * HOUR_IN_SECONDS );
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if ( ! $feature_list ) {
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$feature_list = themes_api ( 'feature_list' , array () );
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if ( is_wp_error ( $feature_list ) )
return $features ;
}
if ( ! $feature_list )
return $features ;
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set_site_transient ( 'wporg_theme_feature_list' , $feature_list , 3 * HOUR_IN_SECONDS );
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$category_translations = array (
'Colors' => __ ( 'Colors' ),
'Layout' => __ ( 'Layout' ),
'Features' => __ ( 'Features' ),
'Subject' => __ ( 'Subject' )
);
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// Loop over the wporg canonical list and apply translations
$wporg_features = array ();
foreach ( ( array ) $feature_list as $feature_category => $feature_items ) {
if ( isset ( $category_translations [ $feature_category ]) )
$feature_category = $category_translations [ $feature_category ];
$wporg_features [ $feature_category ] = array ();
foreach ( $feature_items as $feature ) {
if ( isset ( $features [ $feature_category ][ $feature ]) )
$wporg_features [ $feature_category ][ $feature ] = $features [ $feature_category ][ $feature ];
else
$wporg_features [ $feature_category ][ $feature ] = $feature ;
}
}
return $wporg_features ;
}
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/**
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* Retrieves theme installer pages from the WordPress . org Themes API .
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*
* It is possible for a theme to override the Themes API result with three
* filters . Assume this is for themes , which can extend on the Theme Info to
* offer more choices . This is very powerful and must be used with care , when
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* overriding the filters .
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*
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* The first filter , { @ see 'themes_api_args' }, is for the args and gives the action
* as the second parameter . The hook for { @ see 'themes_api_args' } must ensure that
* an object is returned .
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*
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* The second filter , { @ see 'themes_api' }, allows a plugin to override the WordPress . org
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* Theme API entirely . If `$action` is 'query_themes' , 'theme_information' , or 'feature_list' ,
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* an object MUST be passed . If `$action` is ' hot_tags ` , an array should be passed .
*
* Finally , the third filter , { @ see 'themes_api_result' }, makes it possible to filter the
* response object or array , depending on the `$action` type .
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*
* Supported arguments per action :
*
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* | Argument Name | 'query_themes' | 'theme_information' | 'hot_tags' | 'feature_list' |
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* | -------------------| :------------: | :-----------------: | :--------: | :--------------: |
* | `$slug` | No | Yes | No | No |
* | `$per_page` | Yes | No | No | No |
* | `$page` | Yes | No | No | No |
* | `$number` | No | No | Yes | No |
* | `$search` | Yes | No | No | No |
* | `$tag` | Yes | No | No | No |
* | `$author` | Yes | No | No | No |
* | `$user` | Yes | No | No | No |
* | `$browse` | Yes | No | No | No |
* | `$locale` | Yes | Yes | No | No |
* | `$fields` | Yes | Yes | No | No |
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*
* @ since 2.8 . 0
*
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* @ param string $action API action to perform : 'query_themes' , 'theme_information' ,
* 'hot_tags' or 'feature_list' .
* @ param array | object $args {
* Optional . Array or object of arguments to serialize for the Plugin Info API .
*
* @ type string $slug The plugin slug . Default empty .
* @ type int $per_page Number of themes per page . Default 24.
* @ type int $page Number of current page . Default 1.
* @ type int $number Number of tags to be queried .
* @ type string $search A search term . Default empty .
* @ type string $tag Tag to filter themes . Default empty .
* @ type string $author Username of an author to filter themes . Default empty .
* @ type string $user Username to query for their favorites . Default empty .
* @ type string $browse Browse view : 'featured' , 'popular' , 'updated' , 'favorites' .
* @ type string $locale Locale to provide context - sensitive results . Default is the value of get_locale () .
* @ type array $fields {
* Array of fields which should or should not be returned .
*
* @ type bool $description Whether to return the theme full description . Default false .
* @ type bool $sections Whether to return the theme readme sections : description , installation ,
* FAQ , screenshots , other notes , and changelog . Default false .
* @ type bool $rating Whether to return the rating in percent and total number of ratings .
* Default false .
* @ type bool $ratings Whether to return the number of rating for each star ( 1 - 5 ) . Default false .
* @ type bool $downloaded Whether to return the download count . Default false .
* @ type bool $downloadlink Whether to return the download link for the package . Default false .
* @ type bool $last_updated Whether to return the date of the last update . Default false .
* @ type bool $tags Whether to return the assigned tags . Default false .
* @ type bool $homepage Whether to return the theme homepage link . Default false .
* @ type bool $screenshots Whether to return the screenshots . Default false .
* @ type int $screenshot_count Number of screenshots to return . Default 1.
* @ type bool $screenshot_url Whether to return the URL of the first screenshot . Default false .
* @ type bool $photon_screenshots Whether to return the screenshots via Photon . Default false .
* @ type bool $template Whether to return the slug of the parent theme . Default false .
* @ type bool $parent Whether to return the slug , name and homepage of the parent theme . Default false .
* @ type bool $versions Whether to return the list of all available versions . Default false .
* @ type bool $theme_url Whether to return theme ' s URL . Default false .
* @ type bool $extended_author Whether to return nicename or nicename and display name . Default false .
* }
* }
* @ return object | array | WP_Error Response object or array on success , WP_Error on failure . See the
* { @ link https :// developer . wordpress . org / reference / functions / themes_api / function reference article }
* for more information on the make - up of possible return objects depending on the value of `$action` .
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*/
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function themes_api ( $action , $args = array () ) {
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if ( is_array ( $args ) ) {
$args = ( object ) $args ;
}
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if ( ! isset ( $args -> per_page ) ) {
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$args -> per_page = 24 ;
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}
if ( ! isset ( $args -> locale ) ) {
$args -> locale = get_locale ();
}
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/**
* Filter arguments used to query for installer pages from the WordPress . org Themes API .
*
* Important : An object MUST be returned to this filter .
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*
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* @ since 2.8 . 0
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*
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* @ param object $args Arguments used to query for installer pages from the WordPress . org Themes API .
* @ param string $action Requested action . Likely values are 'theme_information' ,
* 'feature_list' , or 'query_themes' .
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*/
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$args = apply_filters ( 'themes_api_args' , $args , $action );
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/**
* Filter whether to override the WordPress . org Themes API .
*
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* Passing a non - false value will effectively short - circuit the WordPress . org API request .
*
* If `$action` is 'query_themes' , 'theme_information' , or 'feature_list' , an object MUST
* be passed . If `$action` is ' hot_tags ` , an array should be passed .
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*
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* @ since 2.8 . 0
*
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* @ param false | object | array $override Whether to override the WordPress . org Themes API . Default false .
* @ param string $action Requested action . Likely values are 'theme_information' ,
* 'feature_list' , or 'query_themes' .
* @ param object $args Arguments used to query for installer pages from the Themes API .
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*/
$res = apply_filters ( 'themes_api' , false , $action , $args );
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if ( ! $res ) {
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$url = $http_url = 'http://api.wordpress.org/themes/info/1.0/' ;
if ( $ssl = wp_http_supports ( array ( 'ssl' ) ) )
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$url = set_url_scheme ( $url , 'https' );
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$http_args = array (
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'body' => array (
'action' => $action ,
'request' => serialize ( $args )
)
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);
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$request = wp_remote_post ( $url , $http_args );
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if ( $ssl && is_wp_error ( $request ) ) {
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if ( ! defined ( 'DOING_AJAX' ) || ! DOING_AJAX ) {
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trigger_error ( __ ( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>.' ) . ' ' . __ ( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), headers_sent () || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE );
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}
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$request = wp_remote_post ( $http_url , $http_args );
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}
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if ( is_wp_error ( $request ) ) {
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$res = new WP_Error ( 'themes_api_failed' , __ ( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>.' ), $request -> get_error_message () );
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} else {
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$res = maybe_unserialize ( wp_remote_retrieve_body ( $request ) );
if ( ! is_object ( $res ) && ! is_array ( $res ) )
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$res = new WP_Error ( 'themes_api_failed' , __ ( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>.' ), wp_remote_retrieve_body ( $request ) );
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}
}
2012-01-08 04:48:05 +01:00
2013-10-30 15:39:10 +01:00
/**
* Filter the returned WordPress . org Themes API response .
*
* @ since 2.8 . 0
*
* @ param array | object $res WordPress . org Themes API response .
* @ param string $action Requested action . Likely values are 'theme_information' ,
* 'feature_list' , or 'query_themes' .
* @ param object $args Arguments used to query for installer pages from the WordPress . org Themes API .
*/
return apply_filters ( 'themes_api_result' , $res , $action , $args );
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}
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/**
* Prepare themes for JavaScript .
*
* @ since 3.8 . 0
*
* @ param array $themes Optional . Array of WP_Theme objects to prepare .
* Defaults to all allowed themes .
*
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* @ return array An associative array of theme data , sorted by name .
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*/
function wp_prepare_themes_for_js ( $themes = null ) {
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$current_theme = get_stylesheet ();
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/**
* Filter theme data before it is prepared for JavaScript .
*
* Passing a non - empty array will result in wp_prepare_themes_for_js () returning
* early with that value instead .
*
* @ since 4.2 . 0
*
* @ param array $prepared_themes An associative array of theme data . Default empty array .
* @ param null | array $themes An array of WP_Theme objects to prepare , if any .
* @ param string $current_theme The current theme slug .
*/
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$prepared_themes = ( array ) apply_filters ( 'pre_prepare_themes_for_js' , array (), $themes , $current_theme );
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if ( ! empty ( $prepared_themes ) ) {
return $prepared_themes ;
}
No-JavaScript and no-Customizer support for the new Themes screen.
JavaScript is rarely disabled, but graceful degradation is still important. For example, syntax errors can occur, usually with major WP updates that overhaul entire experiences and update external libraries combined with themes or plugins doing weird or old things. If this error is due to their current theme, a user needs to be able to access the themes screen to switch away from the theme. A more subtle issue could make things painful to diagnose.
This commit renders the grid in PHP (the template is duplicated, but it lightweight, fairly mundane, and easy to sync). On Backbone render, the grid is then re-rendered from JavaScript so searches can occur. Customize and Live Preview is disabled if JS fails to kick in. If JS is disabled, old-school "Preview" links are displayed.
No-Customizer support: The customizer is only supported when the browser supports postMessage (IE8+), and if the frontend is a different domain, CORS (IE10+). We use the .hide-if-no-customize class for this. Pre-customize "Preview" links should use .hide-if-customize.
The .load-customize class should be used to declare a link that opens the customizer. This enables customize-loader.js to intercept this link and load the customizer on top of the current window, making for a smoother experience.
fixes #25964.
Built from https://develop.svn.wordpress.org/trunk@26726
git-svn-id: http://core.svn.wordpress.org/trunk@26615 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2013-12-06 17:11:10 +01:00
// Make sure the current theme is listed first.
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$prepared_themes [ $current_theme ] = array ();
No-JavaScript and no-Customizer support for the new Themes screen.
JavaScript is rarely disabled, but graceful degradation is still important. For example, syntax errors can occur, usually with major WP updates that overhaul entire experiences and update external libraries combined with themes or plugins doing weird or old things. If this error is due to their current theme, a user needs to be able to access the themes screen to switch away from the theme. A more subtle issue could make things painful to diagnose.
This commit renders the grid in PHP (the template is duplicated, but it lightweight, fairly mundane, and easy to sync). On Backbone render, the grid is then re-rendered from JavaScript so searches can occur. Customize and Live Preview is disabled if JS fails to kick in. If JS is disabled, old-school "Preview" links are displayed.
No-Customizer support: The customizer is only supported when the browser supports postMessage (IE8+), and if the frontend is a different domain, CORS (IE10+). We use the .hide-if-no-customize class for this. Pre-customize "Preview" links should use .hide-if-customize.
The .load-customize class should be used to declare a link that opens the customizer. This enables customize-loader.js to intercept this link and load the customizer on top of the current window, making for a smoother experience.
fixes #25964.
Built from https://develop.svn.wordpress.org/trunk@26726
git-svn-id: http://core.svn.wordpress.org/trunk@26615 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2013-12-06 17:11:10 +01:00
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if ( null === $themes ) {
$themes = wp_get_themes ( array ( 'allowed' => true ) );
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if ( ! isset ( $themes [ $current_theme ] ) ) {
$themes [ $current_theme ] = wp_get_theme ();
}
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}
$updates = array ();
if ( current_user_can ( 'update_themes' ) ) {
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$updates_transient = get_site_transient ( 'update_themes' );
if ( isset ( $updates_transient -> response ) ) {
$updates = $updates_transient -> response ;
}
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}
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WP_Theme :: sort_by_name ( $themes );
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$parents = array ();
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foreach ( $themes as $theme ) {
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$slug = $theme -> get_stylesheet ();
$encoded_slug = urlencode ( $slug );
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$parent = false ;
if ( $theme -> parent () ) {
$parent = $theme -> parent () -> display ( 'Name' );
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$parents [ $slug ] = $theme -> parent () -> get_stylesheet ();
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}
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$customize_action = null ;
if ( current_user_can ( 'edit_theme_options' ) && current_user_can ( 'customize' ) ) {
$customize_action = esc_url ( add_query_arg (
array (
'return' => urlencode ( esc_url_raw ( wp_unslash ( $_SERVER [ 'REQUEST_URI' ] ) ) ),
),
wp_customize_url ( $slug )
) );
}
No-JavaScript and no-Customizer support for the new Themes screen.
JavaScript is rarely disabled, but graceful degradation is still important. For example, syntax errors can occur, usually with major WP updates that overhaul entire experiences and update external libraries combined with themes or plugins doing weird or old things. If this error is due to their current theme, a user needs to be able to access the themes screen to switch away from the theme. A more subtle issue could make things painful to diagnose.
This commit renders the grid in PHP (the template is duplicated, but it lightweight, fairly mundane, and easy to sync). On Backbone render, the grid is then re-rendered from JavaScript so searches can occur. Customize and Live Preview is disabled if JS fails to kick in. If JS is disabled, old-school "Preview" links are displayed.
No-Customizer support: The customizer is only supported when the browser supports postMessage (IE8+), and if the frontend is a different domain, CORS (IE10+). We use the .hide-if-no-customize class for this. Pre-customize "Preview" links should use .hide-if-customize.
The .load-customize class should be used to declare a link that opens the customizer. This enables customize-loader.js to intercept this link and load the customizer on top of the current window, making for a smoother experience.
fixes #25964.
Built from https://develop.svn.wordpress.org/trunk@26726
git-svn-id: http://core.svn.wordpress.org/trunk@26615 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2013-12-06 17:11:10 +01:00
$prepared_themes [ $slug ] = array (
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'id' => $slug ,
'name' => $theme -> display ( 'Name' ),
'screenshot' => array ( $theme -> get_screenshot () ), // @todo multiple
'description' => $theme -> display ( 'Description' ),
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'author' => $theme -> display ( 'Author' , false , true ),
'authorAndUri' => $theme -> display ( 'Author' ),
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'version' => $theme -> display ( 'Version' ),
'tags' => $theme -> display ( 'Tags' ),
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'parent' => $parent ,
'active' => $slug === $current_theme ,
'hasUpdate' => isset ( $updates [ $slug ] ),
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'update' => get_theme_update_available ( $theme ),
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'actions' => array (
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'activate' => current_user_can ( 'switch_themes' ) ? wp_nonce_url ( admin_url ( 'themes.php?action=activate&stylesheet=' . $encoded_slug ), 'switch-theme_' . $slug ) : null ,
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'customize' => $customize_action ,
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'delete' => current_user_can ( 'delete_themes' ) ? wp_nonce_url ( admin_url ( 'themes.php?action=delete&stylesheet=' . $encoded_slug ), 'delete-theme_' . $slug ) : null ,
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),
);
}
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// Remove 'delete' action if theme has an active child
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if ( ! empty ( $parents ) && array_key_exists ( $current_theme , $parents ) ) {
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unset ( $prepared_themes [ $parents [ $current_theme ] ][ 'actions' ][ 'delete' ] );
}
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/**
* Filter the themes prepared for JavaScript , for themes . php .
*
* Could be useful for changing the order , which is by name by default .
*
* @ since 3.8 . 0
*
* @ param array $prepared_themes Array of themes .
*/
No-JavaScript and no-Customizer support for the new Themes screen.
JavaScript is rarely disabled, but graceful degradation is still important. For example, syntax errors can occur, usually with major WP updates that overhaul entire experiences and update external libraries combined with themes or plugins doing weird or old things. If this error is due to their current theme, a user needs to be able to access the themes screen to switch away from the theme. A more subtle issue could make things painful to diagnose.
This commit renders the grid in PHP (the template is duplicated, but it lightweight, fairly mundane, and easy to sync). On Backbone render, the grid is then re-rendered from JavaScript so searches can occur. Customize and Live Preview is disabled if JS fails to kick in. If JS is disabled, old-school "Preview" links are displayed.
No-Customizer support: The customizer is only supported when the browser supports postMessage (IE8+), and if the frontend is a different domain, CORS (IE10+). We use the .hide-if-no-customize class for this. Pre-customize "Preview" links should use .hide-if-customize.
The .load-customize class should be used to declare a link that opens the customizer. This enables customize-loader.js to intercept this link and load the customizer on top of the current window, making for a smoother experience.
fixes #25964.
Built from https://develop.svn.wordpress.org/trunk@26726
git-svn-id: http://core.svn.wordpress.org/trunk@26615 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2013-12-06 17:11:10 +01:00
$prepared_themes = apply_filters ( 'wp_prepare_themes_for_js' , $prepared_themes );
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$prepared_themes = array_values ( $prepared_themes );
return array_filter ( $prepared_themes );
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}
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/**
* Print JS templates for the theme - browsing UI in the Customizer .
*
* @ since 4.2 . 0
*/
function customize_themes_print_templates () {
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$preview_url = esc_url ( add_query_arg ( 'theme' , '__THEME__' ) ); // Token because esc_url() strips curly braces.
$preview_url = str_replace ( '__THEME__' , '{{ data.id }}' , $preview_url );
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?>
< script type = " text/html " id = " tmpl-customize-themes-details-view " >
< div class = " theme-backdrop " ></ div >
< div class = " theme-wrap " >
< div class = " theme-header " >
< button type = " button " class = " left dashicons dashicons-no " >< span class = " screen-reader-text " >< ? php _e ( 'Show previous theme' ); ?> </span></button>
< button type = " button " class = " right dashicons dashicons-no " >< span class = " screen-reader-text " >< ? php _e ( 'Show next theme' ); ?> </span></button>
< button type = " button " class = " close dashicons dashicons-no " >< span class = " screen-reader-text " >< ? php _e ( 'Close details dialog' ); ?> </span></button>
</ div >
< div class = " theme-about " >
< div class = " theme-screenshots " >
< # if ( data.screenshot[0] ) { #>
< div class = " screenshot " >< img src = " { { data.screenshot[0] }} " alt = " " /></ div >
< # } else { #>
< div class = " screenshot blank " ></ div >
< # } #>
</ div >
< div class = " theme-info " >
< # if ( data.active ) { #>
< span class = " current-label " >< ? php _e ( 'Current Theme' ); ?> </span>
< # } #>
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< h2 class = " theme-name " > {{{ data . name }}} < span class = " theme-version " >< ? php printf ( __ ( 'Version: %s' ), '{{ data.version }}' ); ?> </span></h2>
< h3 class = " theme-author " >< ? php printf ( __ ( 'By %s' ), '{{{ data.authorAndUri }}}' ); ?> </h3>
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< p class = " theme-description " > {{{ data . description }}} </ p >
< # if ( data.parent ) { #>
< p class = " parent-theme " >< ? php printf ( __ ( 'This is a child theme of %s.' ), '<strong>{{{ data.parent }}}</strong>' ); ?> </p>
< # } #>
< # if ( data.tags ) { #>
< p class = " theme-tags " >< span >< ? php _e ( 'Tags:' ); ?> </span> {{ data.tags }}</p>
< # } #>
</ div >
</ div >
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< # if ( ! data.active ) { #>
< div class = " theme-actions " >
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< div class = " inactive-theme " >
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< a href = " <?php echo $preview_url ; ?> " target = " _top " class = " button button-primary " >< ? php _e ( 'Live Preview' ); ?> </a>
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</ div >
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</ div >
< # } #>
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</ div >
</ script >
< ? php
}