Ticket #20506: 20506.4.diff

wp-admin/includes/dashboard.php

@@ -193 +193 @@
  * @since 2.5.0
  */
 function wp_dashboard() {
-        global $screen_layout_columns;
-
         $screen = get_current_screen();
-        $class = 'columns-' . $screen_layout_columns;
+        $class = 'columns-' . get_current_screen()->get_columns();
 
 ?>
 <div id="dashboard-widgets" class="metabox-holder <?php echo $class; ?>">

wp-admin/includes/screen.php

@@ -226 +226 @@
         public $base;
 
         /**
+         * The number of columns to display. Access with get_columns().
+         *
+         * @since 3.4.0
+         * @var int
+         * @access private
+         */
+        private $columns;
+
+        /**
          * The unique ID of the screen.
          *
          * @since 3.3.0
@@ -665 +674 @@
         public function get_help_sidebar() {
                 return $this->_help_sidebar;
         }
-        
+
         /**
          * Add a sidebar to the contextual help for the screen.
          * Call this in template files after admin.php is loaded and before admin-header.php is loaded to add a sidebar to the contextual help.
@@ -679 +688 @@
         }
 
         /**
+         * Gets the number of layout columns the user has selected.
+         *
+         * The layout_columns option controls the max number and default number of
+         * columns. This method returns the number of columns within that range selected
+         * by the user via Screen Options. If no selection has been made, the default
+         * provisioned in layout_columns is returned. If the screen does not support
+         * selecting the number of layout columns, 0 is returned.
+         *
+         * @since 3.4.0
+         *
+         * @return int Number of columns to display.
+         */
+        public function get_columns() {
+                return $this->columns;
+        }
+
+        /**
          * Render the screen's help section.
          *
          * This will trigger the deprecated filters for backwards compatibility.
@@ -773 +799 @@
                                 </div>
                         </div>
                 <?php
+                // Setup layout columns
+
+                // Back compat for plugins using the filter instead of add_screen_option()
+                $columns = apply_filters( 'screen_layout_columns', array(), $this->id, $this );
+
+                if ( ! empty( $columns ) && isset( $columns[ $this->id ] ) )
+                        $this->add_option( 'layout_columns', array('max' => $columns[ $this->id ] ) );
+
+                $this->columns = 0; 
+                if ( $this->get_option( 'layout_columns' ) ) {
+                        $this->columns = (int) get_user_option("screen_layout_$this->id");
+        
+                        if ( ! $this->columns ) {
+                                if ( $this->get_option( 'layout_columns', 'default' ) )
+                                        $this->columns = $this->get_option( 'layout_columns', 'default' );
+                        }
+                }
+                global $screen_layout_columns; // Global for back-compat.
+                $screen_layout_columns = $this->columns;
+
                 // Add screen options
                 if ( $this->show_screen_options() )
                         $this->render_screen_options();
@@ -907 +953 @@
          * @since 3.3.0
          */
         function render_screen_layout() {
-                global $screen_layout_columns;
-
-                // Back compat for plugins using the filter instead of add_screen_option()
-                $columns = apply_filters( 'screen_layout_columns', array(), $this->id, $this );
-
-                if ( ! empty( $columns ) && isset( $columns[ $this->id ] ) )
-                        $this->add_option( 'layout_columns', array('max' => $columns[ $this->id ] ) );
-
-                if ( ! $this->get_option('layout_columns') ) {
-                        $screen_layout_columns = 0;
+                if ( ! $this->get_option('layout_columns') )
                         return;
-                }
 
-                $screen_layout_columns = get_user_option("screen_layout_$this->id");
+                $screen_layout_columns = $this->get_columns();
                 $num = $this->get_option( 'layout_columns', 'max' );
 
-                if ( ! $screen_layout_columns || 'auto' == $screen_layout_columns ) {
-                        if ( $this->get_option( 'layout_columns', 'default' ) )
-                                $screen_layout_columns = $this->get_option( 'layout_columns', 'default' );
-                }
-
                 ?>
                 <h5 class="screen-layout"><?php _e('Screen Layout'); ?></h5>
                 <div class='columns-prefs'><?php

wp-admin/edit-link-form.php

@@ -77 +77 @@
 
 <div id="poststuff">
 
-<div id="post-body" class="metabox-holder columns-<?php echo 1 == $screen_layout_columns ? '1' : '2'; ?>">
+<div id="post-body" class="metabox-holder columns-<?php echo 1 == get_current_screen()->get_columns() ? '1' : '2'; ?>">
 <div id="post-body-content">
 <div id="namediv" class="stuffbox">
 <h3><label for="link_name"><?php _ex('Name', 'link name') ?></label></h3>

wp-admin/edit-form-advanced.php

@@ -277 +277 @@
 
 <div id="poststuff">
 
-<div id="post-body" class="metabox-holder columns-<?php echo 1 == $screen_layout_columns ? '1' : '2'; ?>">
+<div id="post-body" class="metabox-holder columns-<?php echo 1 == get_current_screen()->get_columns() ? '1' : '2'; ?>">
 <div id="post-body-content">
 <?php if ( post_type_supports($post_type, 'title') ) { ?>
 <div id="titlediv">