<?php

/**

 * Manage media uploaded file.

 *

 * There are many filters in here for media. Plugins can extend functionality

 * by hooking into the filters.

 *

 * @package WordPress

 * @subpackage Administration

 */

/** Load WordPress Administration Bootstrap */

require_once( dirname( __FILE__ ) . '/admin.php' );

if ( ! current_user_can( 'upload_files' ) ) {

	wp_die( __( 'Sorry, you are not allowed to upload files.' ) );

}

wp_enqueue_script( 'plupload-handlers' );

$post_id = 0;

if ( isset( $_REQUEST['post_id'] ) ) {

	$post_id = absint( $_REQUEST['post_id'] );

	if ( ! get_post( $post_id ) || ! current_user_can( 'edit_post', $post_id ) ) {

		$post_id = 0;

	}

}

if ( $_POST ) {

	if ( isset( $_POST['html-upload'] ) && ! empty( $_FILES ) ) {

		check_admin_referer( 'media-form' );

		// Upload File button was clicked

		$upload_id = media_handle_upload( 'async-upload', $post_id );

		if ( is_wp_error( $upload_id ) ) {

			wp_die( $upload_id );

		}

	}

	wp_redirect( admin_url( 'upload.php' ) );

	exit;

}

$title       = __( 'Upload New Media' );

$parent_file = 'upload.php';

get_current_screen()->add_help_tab(

	array(

		'id'      => 'overview',

		'title'   => __( 'Overview' ),

		'content' =>

				 '<p>' . __( 'You can upload media files here without creating a post first. This allows you to upload files to use with posts and pages later and/or to get a web link for a particular file that you can share. There are three options for uploading files:' ) . '</p>' .

				 '<ul>' .

					 '<li>' . __( '<strong>Drag and drop</strong> your files into the area below. Multiple files are allowed.' ) . '</li>' .

					 '<li>' . __( 'Clicking <strong>Select Files</strong> opens a navigation window showing you files in your operating system. Selecting <strong>Open</strong> after clicking on the file you want activates a progress bar on the uploader screen.' ) . '</li>' .

					 '<li>' . __( 'Revert to the <strong>Browser Uploader</strong> by clicking the link below the drag and drop box.' ) . '</li>' .

				 '</ul>',

	)

);

get_current_screen()->set_help_sidebar(

	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .

	'<p>' . __( '<a href="https://codex.wordpress.org/Media_Add_New_Screen">Documentation on Uploading Media Files</a>' ) . '</p>' .

	'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'

);

require_once( ABSPATH . 'wp-admin/admin-header.php' );

$form_class = 'media-upload-form type-form validate';

if ( get_user_setting( 'uploader' ) || isset( $_GET['browser-uploader'] ) ) {

	$form_class .= ' html-uploader';

}

?>

<div class="wrap">

	<h1><?php echo esc_html( $title ); ?></h1>

	<form enctype="multipart/form-data" method="post" action="<?php echo admin_url( 'media-new.php' ); ?>" class="<?php echo esc_attr( $form_class ); ?>" id="file-form">

	<?php media_upload_form(); ?>

	<script type="text/javascript">

	var post_id = <?php echo $post_id; ?>, shortform = 3;

	</script>

	<input type="hidden" name="post_id" id="post_id" value="<?php echo $post_id; ?>" />

	<?php wp_nonce_field( 'media-form' ); ?>

	<div id="media-items" class="hide-if-no-js"></div>

	</form>

</div>

<?php

include( ABSPATH . 'wp-admin/admin-footer.php' );