From 3440dbb18241652831998c0e2949bbe9dbca9998 Mon Sep 17 00:00:00 2001
From: nacin <nacin@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Thu, 29 Sep 2011 21:21:15 +0000
Subject: [PATCH] Add filter for the args into wp_dropdown_pages() in the page
 attributes box. Give the list_pages filter the context of the post object.
 fixes #8592 for 3.3.

git-svn-id: http://svn.automattic.com/wordpress/trunk@18818 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-admin/includes/class-wp-posts-list-table.php | 10 +++++++++-
 wp-admin/includes/meta-boxes.php                | 13 ++++++++++++-
 wp-includes/post-template.php                   |  2 +-
 3 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/wp-admin/includes/class-wp-posts-list-table.php b/wp-admin/includes/class-wp-posts-list-table.php
index fe8ef112df..d76c745002 100644
--- a/wp-admin/includes/class-wp-posts-list-table.php
+++ b/wp-admin/includes/class-wp-posts-list-table.php
@@ -846,7 +846,15 @@ class WP_Posts_List_Table extends WP_List_Table {
 			<label>
 				<span class="title"><?php _e( 'Parent' ); ?></span>
 	<?php
-		$dropdown_args = array( 'post_type' => $post_type_object->name, 'selected' => $post->post_parent, 'name' => 'post_parent', 'show_option_none' => __( 'Main Page (no parent)' ), 'option_none_value' => 0, 'sort_column'=> 'menu_order, post_title' );
+		$dropdown_args = array(
+			'post_type'         => $post_type_object->name,
+			'selected'          => $post->post_parent,
+			'name'              => 'post_parent',
+			'show_option_none'  => __( 'Main Page (no parent)' ),
+			'option_none_value' => 0,
+			'sort_column'       => 'menu_order, post_title',
+		);
+
 		if ( $bulk )
 			$dropdown_args['show_option_no_change'] =  __( '&mdash; No Change &mdash;' );
 		$dropdown_args = apply_filters( 'quick_edit_dropdown_pages_args', $dropdown_args );
diff --git a/wp-admin/includes/meta-boxes.php b/wp-admin/includes/meta-boxes.php
index 65c4900ff0..ddb3e9d4f5 100644
--- a/wp-admin/includes/meta-boxes.php
+++ b/wp-admin/includes/meta-boxes.php
@@ -560,7 +560,18 @@ function post_revisions_meta_box($post) {
 function page_attributes_meta_box($post) {
 	$post_type_object = get_post_type_object($post->post_type);
 	if ( $post_type_object->hierarchical ) {
-		$pages = wp_dropdown_pages(array('post_type' => $post->post_type, 'exclude_tree' => $post->ID, 'selected' => $post->post_parent, 'name' => 'parent_id', 'show_option_none' => __('(no parent)'), 'sort_column'=> 'menu_order, post_title', 'echo' => 0));
+		$dropdown_args = array(
+			'post_type'        => $post->post_type,
+			'exclude_tree'     => $post->ID,
+			'selected'         => $post->post_parent,
+			'name'             => 'parent_id',
+			'show_option_none' => __('(no parent)'),
+			'sort_column'      => 'menu_order, post_title',
+			'echo'             => 0,
+		);
+
+		$dropdown_args = apply_filters( 'page_attributes_dropdown_pages_args', $dropdown_args, $post );
+		$pages = wp_dropdown_pages( $dropdown_args );
 		if ( ! empty($pages) ) {
 ?>
 <p><strong><?php _e('Parent') ?></strong></p>
diff --git a/wp-includes/post-template.php b/wp-includes/post-template.php
index c7d4899360..7ea260dda3 100644
--- a/wp-includes/post-template.php
+++ b/wp-includes/post-template.php
@@ -1107,7 +1107,7 @@ class Walker_PageDropdown extends Walker {
 		if ( $page->ID == $args['selected'] )
 			$output .= ' selected="selected"';
 		$output .= '>';
-		$title = apply_filters( 'list_pages', $page->post_title );
+		$title = apply_filters( 'list_pages', $page->post_title, $page );
 		$output .= $pad . esc_html( $title );
 		$output .= "</option>\n";
 	}