$area ) {
if ( is_numeric( $key ) ) {
$widget_areas[ 'widget-area-' . sanitize_key( $area['name'] ) ] = $area;
unset( $widget_areas[ $key ] );
}
}
}
// Override the default widget properties.
$widget_area_defaults = array(
'before_widget' => '',
'after_widget' => '
',
'before_title' => '',
'after_title' => '
'
);
$widget_area_defaults = apply_filters( 'simple_page_sidebars_widget_defaults', $widget_area_defaults );
// If any custom sidebars have been assigned to pages, merge them with already defined widget areas.
$sidebars = simple_page_sidebars_get_names();
if ( ! empty( $sidebars ) ) {
foreach ( $sidebars as $sidebar ) {
$page_sidebars[ 'page-sidebar-' . sanitize_key( $sidebar ) ] = array(
'name' => $sidebar,
'description' => ''
);
}
ksort( $page_sidebars );
$widget_areas = array_merge_recursive( $widget_areas, $page_sidebars );
}
if ( ! empty( $widget_areas ) && is_array( $widget_areas ) ) {
// Register the widget areas.
foreach ( $widget_areas as $key => $area ) {
register_sidebar(array(
'id' => $key,
'name' => $area['name'],
'description' => $area['description'],
'before_widget' => ( isset( $area['before_widget'] ) ) ? $area['before_widget'] : $widget_area_defaults['before_widget'],
'after_widget' => ( isset( $area['after_widget'] ) ) ? $area['after_widget'] : $widget_area_defaults['after_widget'],
'before_title' => ( isset( $area['before_title'] ) ) ? $area['before_title'] : $widget_area_defaults['before_title'],
'after_title' => ( isset( $area['after_title'] ) ) ? $area['after_title'] : $widget_area_defaults['after_title']
));
}
}
}
/**
* Replaces the default sidebar with a custom defined page sidebar.
*
* @since 0.2.0
* @param array $sidebars_widgets
*/
public static function replace_sidebar( $sidebars_widgets ) {
global $post;
$supports = ( isset( $post->post_type ) && post_type_supports( $post->post_type, 'simple-page-sidebars' ) ) ? true : false;
if ( is_page() || $supports || ( is_home() && $posts_page = get_option( 'page_for_posts' ) ) ) {
$post_id = ( ! empty( $posts_page ) ) ? $posts_page : $post->ID;
$custom_sidebar = get_post_meta( $post_id, '_sidebar_name', true );
$default_sidebar_id = get_option( 'simple_page_sidebars_default_sidebar' );
if ( $custom_sidebar && $default_sidebar_id ) {
$custom_sidebar_id = 'page-sidebar-' . sanitize_key( $custom_sidebar );
// Only replace the default sidebar if the custom sidebar has widgets.
if ( ! empty( $sidebars_widgets[ $custom_sidebar_id ] ) ) {
$sidebars_widgets[ $default_sidebar_id ] = $sidebars_widgets[ $custom_sidebar_id ];
}
}
}
return $sidebars_widgets;
}
/**
* Save version information for future upgrades.
*
* @since 1.1.0
*/
public static function upgrade() {
$saved_version = get_option( 'simple_page_sidebars_version' );
// If the plugin version setting isn't set or if it's less than or equal to 1.1.0, update the saved version.
if ( ! $saved_version || version_compare( $saved_version, '1.1.0', '<=' ) ) {
$plugin_data = get_plugin_data( __FILE__ );
// Update saved version number.
update_option( 'simple_page_sidebars_version', $plugin_data['Version'] );
}
}
}
add_action( 'plugins_loaded', array( 'Simple_Page_Sidebars', 'load' ) );
/**
* Get an array of custom sidebar names.
*
* @since 0.2.0
* @return array Custom sidebar names.
*/
function simple_page_sidebars_get_names() {
global $wpdb;
$sidebar_names = $wpdb->get_results( "SELECT DISTINCT meta_value
FROM $wpdb->posts p, $wpdb->postmeta pm
WHERE p.post_status!='auto-draft' AND p.ID=pm.post_id AND pm.meta_key='_sidebar_name'
ORDER BY pm.meta_value ASC" );
$sidebars = array();
if ( ! empty( $sidebar_names ) ) {
foreach ( $sidebar_names as $meta ) {
$sidebars[] = $meta->meta_value;
}
}
return $sidebars;
}
/**
* Sidebar display template tag.
*
* This is no longer the recommended usage. No code changes to the theme are
* are required for the plugin to work.
*
* Call this function in the template where custom sidebars should be
* displayed. If a custom sidebar hasn't been defined, the sidebar name passed
* as the parameter will be served as a fallback.
*
* @since 0.2.0
* @param string $default_sidebar
*/
function simple_page_sidebar( $default_sidebar ) {
global $post, $wp_registered_sidebars;
$sidebar_name = get_post_meta( $post->ID, '_sidebar_name', true );
// Last chance to override which sidebar is displayed.
$sidebar_name = apply_filters( 'simple_page_sidebars_last_call', $sidebar_name );
if ( is_page() && ! empty( $sidebar_name ) ) {
$sidebars_widgets = wp_get_sidebars_widgets();
if ( count( $sidebars_widgets ) ) {
foreach ( $wp_registered_sidebars as $id => $sidebar ) {
if ( $sidebar['name'] == $sidebar_name ) {
if ( count( $sidebars_widgets[ $id ] ) ) {
dynamic_sidebar( $sidebar_name );
} elseif ( ! empty( $default_sidebar ) ) {
dynamic_sidebar( $default_sidebar );
}
}
}
}
} elseif ( ! empty( $default_sidebar ) ) {
dynamic_sidebar( $default_sidebar );
}
}
/**
* Deprecated.
*/
if ( ! function_exists( 'simple_sidebar' ) ) :
function simple_sidebar( $default_sidebar ) {
_deprecated_function( __FUNCTION__, '0.1.1', 'simple_page_sidebar()' );
simple_page_sidebar( $default_sidebar );
}
endif;