Adding upstream version 6.4.3+dfsg1.upstream/6.4.3+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 244 insertions, 0 deletions

diff --git a/wp-admin/includes/screen.php b/wp-admin/includes/screen.php
new file mode 100644
index 0000000..bf5aefc
--- /dev/null
+++ b/wp-admin/includes/screen.php
@@ -0,0 +1,244 @@
+<?php
+/**
+ * WordPress Administration Screen API.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * Get the column headers for a screen
+ *
+ * @since 2.7.0
+ *
+ * @param string|WP_Screen $screen The screen you want the headers for
+ * @return string[] The column header labels keyed by column ID.
+ */
+function get_column_headers( $screen ) {
+	static $column_headers = array();
+
+	if ( is_string( $screen ) ) {
+		$screen = convert_to_screen( $screen );
+	}
+
+	if ( ! isset( $column_headers[ $screen->id ] ) ) {
+		/**
+		 * Filters the column headers for a list table on a specific screen.
+		 *
+		 * The dynamic portion of the hook name, `$screen->id`, refers to the
+		 * ID of a specific screen. For example, the screen ID for the Posts
+		 * list table is edit-post, so the filter for that screen would be
+		 * manage_edit-post_columns.
+		 *
+		 * @since 3.0.0
+		 *
+		 * @param string[] $columns The column header labels keyed by column ID.
+		 */
+		$column_headers[ $screen->id ] = apply_filters( "manage_{$screen->id}_columns", array() );
+	}
+
+	return $column_headers[ $screen->id ];
+}
+
+/**
+ * Get a list of hidden columns.
+ *
+ * @since 2.7.0
+ *
+ * @param string|WP_Screen $screen The screen you want the hidden columns for
+ * @return string[] Array of IDs of hidden columns.
+ */
+function get_hidden_columns( $screen ) {
+	if ( is_string( $screen ) ) {
+		$screen = convert_to_screen( $screen );
+	}
+
+	$hidden = get_user_option( 'manage' . $screen->id . 'columnshidden' );
+
+	$use_defaults = ! is_array( $hidden );
+
+	if ( $use_defaults ) {
+		$hidden = array();
+
+		/**
+		 * Filters the default list of hidden columns.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param string[]  $hidden Array of IDs of columns hidden by default.
+		 * @param WP_Screen $screen WP_Screen object of the current screen.
+		 */
+		$hidden = apply_filters( 'default_hidden_columns', $hidden, $screen );
+	}
+
+	/**
+	 * Filters the list of hidden columns.
+	 *
+	 * @since 4.4.0
+	 * @since 4.4.1 Added the `use_defaults` parameter.
+	 *
+	 * @param string[]  $hidden       Array of IDs of hidden columns.
+	 * @param WP_Screen $screen       WP_Screen object of the current screen.
+	 * @param bool      $use_defaults Whether to show the default columns.
+	 */
+	return apply_filters( 'hidden_columns', $hidden, $screen, $use_defaults );
+}
+
+/**
+ * Prints the meta box preferences for screen meta.
+ *
+ * @since 2.7.0
+ *
+ * @global array $wp_meta_boxes
+ *
+ * @param WP_Screen $screen
+ */
+function meta_box_prefs( $screen ) {
+	global $wp_meta_boxes;
+
+	if ( is_string( $screen ) ) {
+		$screen = convert_to_screen( $screen );
+	}
+
+	if ( empty( $wp_meta_boxes[ $screen->id ] ) ) {
+		return;
+	}
+
+	$hidden = get_hidden_meta_boxes( $screen );
+
+	foreach ( array_keys( $wp_meta_boxes[ $screen->id ] ) as $context ) {
+		foreach ( array( 'high', 'core', 'default', 'low' ) as $priority ) {
+			if ( ! isset( $wp_meta_boxes[ $screen->id ][ $context ][ $priority ] ) ) {
+				continue;
+			}
+
+			foreach ( $wp_meta_boxes[ $screen->id ][ $context ][ $priority ] as $box ) {
+				if ( false === $box || ! $box['title'] ) {
+					continue;
+				}
+
+				// Submit box cannot be hidden.
+				if ( 'submitdiv' === $box['id'] || 'linksubmitdiv' === $box['id'] ) {
+					continue;
+				}
+
+				$widget_title = $box['title'];
+
+				if ( is_array( $box['args'] ) && isset( $box['args']['__widget_basename'] ) ) {
+					$widget_title = $box['args']['__widget_basename'];
+				}
+
+				$is_hidden = in_array( $box['id'], $hidden, true );
+
+				printf(
+					'<label for="%1$s-hide"><input class="hide-postbox-tog" name="%1$s-hide" type="checkbox" id="%1$s-hide" value="%1$s" %2$s />%3$s</label>',
+					esc_attr( $box['id'] ),
+					checked( $is_hidden, false, false ),
+					$widget_title
+				);
+			}
+		}
+	}
+}
+
+/**
+ * Gets an array of IDs of hidden meta boxes.
+ *
+ * @since 2.7.0
+ *
+ * @param string|WP_Screen $screen Screen identifier
+ * @return string[] IDs of hidden meta boxes.
+ */
+function get_hidden_meta_boxes( $screen ) {
+	if ( is_string( $screen ) ) {
+		$screen = convert_to_screen( $screen );
+	}
+
+	$hidden = get_user_option( "metaboxhidden_{$screen->id}" );
+
+	$use_defaults = ! is_array( $hidden );
+
+	// Hide slug boxes by default.
+	if ( $use_defaults ) {
+		$hidden = array();
+
+		if ( 'post' === $screen->base ) {
+			if ( in_array( $screen->post_type, array( 'post', 'page', 'attachment' ), true ) ) {
+				$hidden = array( 'slugdiv', 'trackbacksdiv', 'postcustom', 'postexcerpt', 'commentstatusdiv', 'commentsdiv', 'authordiv', 'revisionsdiv' );
+			} else {
+				$hidden = array( 'slugdiv' );
+			}
+		}
+
+		/**
+		 * Filters the default list of hidden meta boxes.
+		 *
+		 * @since 3.1.0
+		 *
+		 * @param string[]  $hidden An array of IDs of meta boxes hidden by default.
+		 * @param WP_Screen $screen WP_Screen object of the current screen.
+		 */
+		$hidden = apply_filters( 'default_hidden_meta_boxes', $hidden, $screen );
+	}
+
+	/**
+	 * Filters the list of hidden meta boxes.
+	 *
+	 * @since 3.3.0
+	 *
+	 * @param string[]  $hidden       An array of IDs of hidden meta boxes.
+	 * @param WP_Screen $screen       WP_Screen object of the current screen.
+	 * @param bool      $use_defaults Whether to show the default meta boxes.
+	 *                                Default true.
+	 */
+	return apply_filters( 'hidden_meta_boxes', $hidden, $screen, $use_defaults );
+}
+
+/**
+ * Register and configure an admin screen option
+ *
+ * @since 3.1.0
+ *
+ * @param string $option An option name.
+ * @param mixed  $args   Option-dependent arguments.
+ */
+function add_screen_option( $option, $args = array() ) {
+	$current_screen = get_current_screen();
+
+	if ( ! $current_screen ) {
+		return;
+	}
+
+	$current_screen->add_option( $option, $args );
+}
+
+/**
+ * Get the current screen object
+ *
+ * @since 3.1.0
+ *
+ * @global WP_Screen $current_screen WordPress current screen object.
+ *
+ * @return WP_Screen|null Current screen object or null when screen not defined.
+ */
+function get_current_screen() {
+	global $current_screen;
+
+	if ( ! isset( $current_screen ) ) {
+		return null;
+	}
+
+	return $current_screen;
+}
+
+/**
+ * Set the current screen object
+ *
+ * @since 3.0.0
+ *
+ * @param string|WP_Screen $hook_name Optional. The hook name (also known as the hook suffix) used to determine the screen,
+ *                                    or an existing screen object.
+ */
+function set_current_screen( $hook_name = '' ) {
+	WP_Screen::get( $hook_name )->set_current_screen();
+}