<?php

/**

 * Post advanced form for inclusion in the administration panels.

 *

 * @package WordPress

 * @subpackage Administration

 */

// don't load directly

if ( !defined('ABSPATH') )

	die('-1');

global $post_type, $post_type_object, $post;

wp_enqueue_script('post');

$_wp_editor_expand = $_content_editor_dfw = false;

/**

 *

 * @since 4.0.0

 * @since 4.1.0 Added the `$post_type` parameter.

 *

 * @param bool   $expand    Whether to enable the 'expand' functionality. Default true.

 * @param string $post_type Post type.

 */

if ( post_type_supports( $post_type, 'editor' ) && ! wp_is_mobile() &&

	 ! ( $is_IE && preg_match( '/MSIE [5678]/', $_SERVER['HTTP_USER_AGENT'] ) ) &&

	 apply_filters( 'wp_editor_expand', true, $post_type ) ) {

	wp_enqueue_script('editor-expand');

	$_content_editor_dfw = true;

	$_wp_editor_expand = ( get_user_setting( 'editor_expand', 'on' ) === 'on' );

}

if ( wp_is_mobile() )

	wp_enqueue_script( 'jquery-touch-punch' );

/**

 * Post ID global

 * @name $post_ID

 * @var int

 */

$post_ID = isset($post_ID) ? (int) $post_ID : 0;

$user_ID = isset($user_ID) ? (int) $user_ID : 0;

$action = isset($action) ? $action : '';

if ( $post_ID == get_option( 'page_for_posts' ) && empty( $post->post_content ) ) {

	add_action( 'edit_form_after_title', '_wp_posts_page_notice' );

	remove_post_type_support( $post_type, 'editor' );

}

$thumbnail_support = current_theme_supports( 'post-thumbnails', $post_type ) && post_type_supports( $post_type, 'thumbnail' );

if ( ! $thumbnail_support && 'attachment' === $post_type && $post->post_mime_type ) {

	if ( wp_attachment_is( 'audio', $post ) ) {

		$thumbnail_support = post_type_supports( 'attachment:audio', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:audio' );

	} elseif ( wp_attachment_is( 'video', $post ) ) {

		$thumbnail_support = post_type_supports( 'attachment:video', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:video' );

	}

}

if ( $thumbnail_support ) {

	add_thickbox();

	wp_enqueue_media( array( 'post' => $post_ID ) );

}

// Add the local autosave notice HTML

add_action( 'admin_footer', '_local_storage_notice' );

/*

 * @todo Document the $messages array(s).

 */

$permalink = get_permalink( $post_ID );

if ( ! $permalink ) {

	$permalink = '';

}

$messages = array();

$messages['post'] = array(

	 0 => '', // Unused. Messages start at index 1.

	/* translators: %s: date and time of the revision */

);

$messages['page'] = array(

	 0 => '', // Unused. Messages start at index 1.

);

/**

 *

 * @since 3.0.0

 *

 * @param array $messages Post updated messages. For defaults @see $messages declarations above.

 */

$messages = apply_filters( 'post_updated_messages', $messages );

$message = false;

if ( isset($_GET['message']) ) {

	$_GET['message'] = absint( $_GET['message'] );

	if ( isset($messages[$post_type][$_GET['message']]) )

		$message = $messages[$post_type][$_GET['message']];

	elseif ( !isset($messages[$post_type]) && isset($messages['post'][$_GET['message']]) )

		$message = $messages['post'][$_GET['message']];

}

$notice = false;

$form_extra = '';

if ( 'auto-draft' == $post->post_status ) {

	if ( 'edit' == $action )

		$post->post_title = '';

	$autosave = false;

	$form_extra .= "<input type='hidden' id='auto_draft' name='auto_draft' value='1' />";

} else {

	$autosave = wp_get_post_autosave( $post_ID );

}

$form_action = 'editpost';

$nonce_action = 'update-post_' . $post_ID;

$form_extra .= "<input type='hidden' id='post_ID' name='post_ID' value='" . esc_attr($post_ID) . "' />";

// Detect if there exists an autosave newer than the post and if that autosave is different than the post

if ( $autosave && mysql2date( 'U', $autosave->post_modified_gmt, false ) > mysql2date( 'U', $post->post_modified_gmt, false ) ) {

		if ( normalize_whitespace( $autosave->$autosave_field ) != normalize_whitespace( $post->$autosave_field ) ) {

			$notice = sprintf( __( 'There is an autosave of this post that is more recent than the version below. <a href="%s">View the autosave</a>' ), get_edit_post_link( $autosave->ID ) );

			break;

		}

	}

	// If this autosave isn't different from the current post, begone.

	if ( ! $notice )

		wp_delete_post_revision( $autosave->ID );

	unset($autosave_field, $_autosave_field);

}

$post_type_object = get_post_type_object($post_type);

// All meta boxes should be defined and added before the first do_meta_boxes() call (or potentially during the do_meta_boxes action).

require_once( ABSPATH . 'wp-admin/includes/meta-boxes.php' );

$publish_callback_args = null;

if ( post_type_supports($post_type, 'revisions') && 'auto-draft' != $post->post_status ) {

	$revisions = wp_get_post_revisions( $post_ID );

	if ( count( $revisions ) > 1 ) {

		reset( $revisions ); // Reset pointer for key()

		$publish_callback_args = array( 'revisions_count' => count( $revisions ), 'revision_id' => key( $revisions ) );

		add_meta_box('revisionsdiv', __('Revisions'), 'post_revisions_meta_box', null, 'normal', 'core');

	}

}

if ( 'attachment' == $post_type ) {

	wp_enqueue_script( 'image-edit' );

	wp_enqueue_style( 'imgareaselect' );

	add_meta_box( 'submitdiv', __('Save'), 'attachment_submit_meta_box', null, 'side', 'core' );

	add_action( 'edit_form_after_title', 'edit_form_image_editor' );

	if ( wp_attachment_is( 'audio', $post ) ) {

		add_meta_box( 'attachment-id3', __( 'Metadata' ), 'attachment_id3_data_meta_box', null, 'normal', 'core' );

	}

} else {

	add_meta_box( 'submitdiv', __( 'Publish' ), 'post_submit_meta_box', null, 'side', 'core', $publish_callback_args );

}

if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post_type, 'post-formats' ) )

	add_meta_box( 'formatdiv', _x( 'Format', 'post format' ), 'post_format_meta_box', null, 'side', 'core' );

// all taxonomies

foreach ( get_object_taxonomies( $post ) as $tax_name ) {

	$taxonomy = get_taxonomy( $tax_name );

	if ( ! $taxonomy->show_ui || false === $taxonomy->meta_box_cb )

		continue;

	$label = $taxonomy->labels->name;

	if ( ! is_taxonomy_hierarchical( $tax_name ) )

		$tax_meta_box_id = 'tagsdiv-' . $tax_name;

	else

		$tax_meta_box_id = $tax_name . 'div';

	add_meta_box( $tax_meta_box_id, $label, $taxonomy->meta_box_cb, null, 'side', 'core', array( 'taxonomy' => $tax_name ) );

}

if ( $thumbnail_support && current_user_can( 'upload_files' ) )

if ( post_type_supports($post_type, 'excerpt') )

	add_meta_box('postexcerpt', __('Excerpt'), 'post_excerpt_meta_box', null, 'normal', 'core');

if ( post_type_supports($post_type, 'trackbacks') )

	add_meta_box('trackbacksdiv', __('Send Trackbacks'), 'post_trackback_meta_box', null, 'normal', 'core');

if ( post_type_supports($post_type, 'custom-fields') )

	add_meta_box('postcustom', __('Custom Fields'), 'post_custom_meta_box', null, 'normal', 'core');

/**

 * Fires in the middle of built-in meta box registration.

 *

 * @since 2.1.0

 * @deprecated 3.7.0 Use 'add_meta_boxes' instead.

 *

 * @param WP_Post $post Post object.

 */

do_action( 'dbx_post_advanced', $post );

if ( ! ( 'pending' == get_post_status( $post ) && ! current_user_can( $post_type_object->cap->publish_posts ) ) )

	add_meta_box('slugdiv', __('Slug'), 'post_slug_meta_box', null, 'normal', 'core');

}

/**

 * Fires after all built-in meta boxes have been added.

 *

 * @since 3.0.0

 *

 * @param string  $post_type Post type.

 * @param WP_Post $post      Post object.

 */

do_action( 'add_meta_boxes', $post_type, $post );

/**

 * Fires after all built-in meta boxes have been added, contextually for the given post type.

 *

 * The dynamic portion of the hook, `$post_type`, refers to the post type of the post.

 *

 * @since 3.0.0

 *

 * @param WP_Post $post Post object.

 */

/**

 * Fires after meta boxes have been added.

 *

 * Fires once for each of the default meta box contexts: normal, advanced, and side.

 *

 * @since 3.0.0

 *

 * @param string  $post_type Post type of the post.

 * @param string  $context   string  Meta box context.

 * @param WP_Post $post      Post object.

 */

do_action( 'do_meta_boxes', $post_type, 'normal', $post );

/** This action is documented in wp-admin/edit-form-advanced.php */

do_action( 'do_meta_boxes', $post_type, 'advanced', $post );

/** This action is documented in wp-admin/edit-form-advanced.php */

do_action( 'do_meta_boxes', $post_type, 'side', $post );

add_screen_option('layout_columns', array('max' => 2, 'default' => 2) );

if ( 'post' == $post_type ) {

	$customize_display = '<p>' . __('The title field and the big Post Editing Area are fixed in place, but you can reposition all the other boxes using drag and drop. You can also minimize or expand them by clicking the title bar of each box. Use the Screen Options tab to unhide more boxes (Excerpt, Send Trackbacks, Custom Fields, Discussion, Slug, Author) or to choose a 1- or 2-column layout for this screen.') . '</p>';

	get_current_screen()->add_help_tab( array(

		'id'      => 'customize-display',

		'title'   => __('Customizing This Display'),

		'content' => $customize_display,

	) );

	$title_and_editor .= '<p>' . __( 'You can insert media files by clicking the icons above the post editor and following the directions. You can align or edit images using the inline formatting toolbar available in Visual mode.' ) . '</p>';

	$title_and_editor .= '<p>' . __( 'You can enable distraction-free writing mode using the icon to the right. This feature is not available for old browsers or devices with small screens, and requires that the full-height editor be enabled in Screen Options.' ) . '</p>';

	$title_and_editor .= '<p>' . __( 'Keyboard users: When you&#8217;re working in the visual editor, you can use <kbd>Alt + F10</kbd> to access the toolbar.' ) . '</p>';

	get_current_screen()->add_help_tab( array(

		'id'      => 'title-post-editor',

		'title'   => __('Title and Post Editor'),

		'content' => $title_and_editor,