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Introducing add_theme_support(feature) and current_theme_supports(feature) for announcing and checking theme support for various features. Implement it for post/page thumbanils, hiding UI if not supported. 

git-svn-id: http://svn.automattic.com/wordpress/trunk@12132 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
markjaquith 2009-11-01 05:27:39 +00:00
parent 475b2737ba
commit a8c96db902
3 changed files with 30 additions and 2 deletions
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1
wp-admin/edit-form-advanced.php
View File

@ -98,6 +98,7 @@ foreach ( get_object_taxonomies('post') as $tax_name ) {
}
add_meta_box('categorydiv', __('Categories'), 'post_categories_meta_box', 'post', 'side', 'core');
if ( current_theme_supports( 'post-thumbnails' ) )
add_meta_box('postthumbnaildiv', __('Post Thumbnail'), 'post_thumbnail_meta_box', 'post', 'side', 'low');
add_meta_box('postexcerpt', __('Excerpt'), 'post_excerpt_meta_box', 'post', 'normal', 'core');
add_meta_box('trackbacksdiv', __('Send Trackbacks'), 'post_trackback_meta_box', 'post', 'normal', 'core');

3
wp-admin/edit-page-form.php
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@ -80,7 +80,8 @@ add_meta_box('pageparentdiv', __('Attributes'), 'page_attributes_meta_box', 'pag
add_meta_box('postcustom', __('Custom Fields'), 'post_custom_meta_box', 'page', 'normal', 'core');
add_meta_box('commentstatusdiv', __('Discussion'), 'post_comment_status_meta_box', 'page', 'normal', 'core');
add_meta_box('slugdiv', __('Page Slug'), 'post_slug_meta_box', 'page', 'normal', 'core');
add_meta_box('postthumbnaildiv', __('Post Thumbnail'), 'post_thumbnail_meta_box', 'page', 'side', 'low');
if ( current_theme_supports( 'post-thumbnails' ) )
add_meta_box('postthumbnaildiv', __('Page Thumbnail'), 'post_thumbnail_meta_box', 'page', 'side', 'low');
$authors = get_editable_user_ids( $current_user->id, true, 'page' ); // TODO: ROLE SYSTEM
if ( $post->post_author && !in_array($post->post_author, $authors) )

26
wp-includes/theme.php
View File

@ -1303,4 +1303,30 @@ function add_custom_image_header($header_callback, $admin_header_callback) {
add_action('admin_menu', array(&$GLOBALS['custom_image_header'], 'init'));
}
/**
* Allows a theme to register its support of a certain feature
*
* @author Mark Jaquith
* @since 2.9
* @param string $feature the feature being added
*/
function add_theme_support( $feature ) {
global $_wp_theme_features;
$_wp_theme_features[$feature] = true;
}
/**
* Checks a theme's support for a given feature
*
* @author Mark Jaquith
* @since 2.9
* @param string $feature the feature being checked
* @return boolean
*/
function current_theme_supports( $feature ) {
global $_wp_theme_features;
return ( isset( $_wp_theme_features[$feature] ) && $_wp_theme_features[$feature] );
}
?>