<?php

/**

 * WordPress Administration Media API.

 *

 * @package WordPress

 * @subpackage Administration

 */

/**

 * {@internal Missing Short Description}}

 *

 * @since unknown

 *

 * @return unknown

 */

function media_upload_tabs() {

	$_default_tabs = array(

		'type' => __('From Computer'), // handler action suffix => tab text

		'type_url' => __('From URL'),

		'gallery' => __('Gallery'),

		'library' => __('Media Library')

	);

	return apply_filters('media_upload_tabs', $_default_tabs);

}

/**

 * {@internal Missing Short Description}}

 *

 * @since unknown

 *

 * @param unknown_type $tabs

 * @return unknown

 */

function update_gallery_tab($tabs) {

	global $wpdb;

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

		unset($tabs['gallery']);

		return $tabs;

	}

	if ( intval($_REQUEST['post_id']) )

		$attachments = intval($wpdb->get_var($wpdb->prepare("SELECT count(*) FROM $wpdb->posts WHERE post_type = 'attachment' AND post_parent = %d", $_REQUEST['post_id'])));

	if ( empty($attachments) ) {

		unset($tabs['gallery']);

		return $tabs;

	}

	$tabs['gallery'] = sprintf(__('Gallery (%s)'), "<span id='attachments-count'>$attachments</span>");

	return $tabs;

}

add_filter('media_upload_tabs', 'update_gallery_tab');

/**

 * {@internal Missing Short Description}}

 *

 * @since unknown

 */

function the_media_upload_tabs() {

	global $redir_tab;

	$tabs = media_upload_tabs();

	if ( !empty($tabs) ) {

		echo "<ul id='sidemenu'>\n";

		if ( isset($redir_tab) && array_key_exists($redir_tab, $tabs) )

			$current = $redir_tab;

		elseif ( isset($_GET['tab']) && array_key_exists($_GET['tab'], $tabs) )

			$current = $_GET['tab'];

		else

			$current = apply_filters('media_upload_default_tab', 'type');

		foreach ( $tabs as $callback => $text ) {

			$class = '';

			if ( $current == $callback )

				$class = " class='current'";

			$href = add_query_arg(array('tab'=>$callback, 's'=>false, 'paged'=>false, 'post_mime_type'=>false, 'm'=>false));

			$link = "<a href='" . esc_url($href) . "'$class>$text</a>";

			echo "\t<li id='" . esc_attr("tab-$callback") . "'>$link</li>\n";

		}

		echo "</ul>\n";

	}

}

/**

 * {@internal Missing Short Description}}

 *

 * @since unknown

 *

 * @param unknown_type $id

 * @param unknown_type $alt

 * @param unknown_type $title

 * @param unknown_type $align

 * @param unknown_type $url

 * @param unknown_type $rel

 * @param unknown_type $size

 * @return unknown

 */

function get_image_send_to_editor($id, $alt, $title, $align, $url='', $rel = false, $size='medium') {

	$htmlalt = ( empty($alt) ) ? $title : $alt;

	$html = get_image_tag($id, $htmlalt, $title, $align, $size);

	$rel = $rel ? ' rel="attachment wp-att-' . esc_attr($id).'"' : '';

	if ( $url )

		$html = '<a href="' . esc_url($url) . "\"$rel>$html</a>";

	$html = apply_filters( 'image_send_to_editor', $html, $id, $alt, $title, $align, $url, $size );

	return $html;

}

/**

 * {@internal Missing Short Description}}

 *

 * @since unknown

 *

 * @param unknown_type $html

 * @param unknown_type $id

 * @param unknown_type $alt

 * @param unknown_type $title

 * @param unknown_type $align

 * @param unknown_type $url

 * @param unknown_type $size

 * @return unknown

 */

function image_add_caption( $html, $id, $alt, $title, $align, $url, $size ) {

	if ( empty($alt) || apply_filters( 'disable_captions', '' ) )

		return $html;

	$id = ( 0 < (int) $id ) ? 'attachment_' . $id : '';

	preg_match( '/width="([0-9]+)/', $html, $matches );

	if ( ! isset($matches[1]) )

		return $html;

	$width = $matches[1];

	$html = preg_replace( '/(class=["\'][^\'"]*)align(none|left|right|center)\s?/', '$1', $html );

	if ( empty($align) )

		$align = 'none';

	$alt = ! empty($alt) ? addslashes($alt) : '';

	$shcode = '[caption id="' . $id . '" align="align' . $align

	. '" width="' . $width . '" caption="' . $alt . '"]' . $html . '[/caption]';

	return apply_filters( 'image_add_caption_shortcode', $shcode, $html );

}

add_filter( 'image_send_to_editor', 'image_add_caption', 20, 7 );

/**

 * {@internal Missing Short Description}}

 *

 * @since unknown

 *

 * @param unknown_type $html

 */

function media_send_to_editor($html) {

?>

<script type="text/javascript">

/* <![CDATA[ */

var win = window.dialogArguments || opener || parent || top;

win.send_to_editor('<?php echo addslashes($html); ?>');

/* ]]> */

</script>

	<?php

	exit;

}

/**

 * {@internal Missing Short Description}}

 *

 * This handles the file upload POST itself, creating the attachment post.

 *

 * @since unknown

 *

 * @param unknown_type $file_id

 * @param unknown_type $post_id

 * @param unknown_type $post_data

 * @return unknown

 */

function media_handle_upload($file_id, $post_id, $post_data = array()) {

	$overrides = array('test_form'=>false);

	$time = current_time('mysql');

	if ( $post = get_post($post_id) ) {

		if ( substr( $post->post_date, 0, 4 ) > 0 )

			$time = $post->post_date;

	}

	$name = $_FILES[$file_id]['name'];

	$file = wp_handle_upload($_FILES[$file_id], $overrides, $time);

	if ( isset($file['error']) )

		return new WP_Error( 'upload_error', $file['error'] );

	$name_parts = pathinfo($name);

	$name = trim( substr( $name, 0, -(1 + strlen($name_parts['extension'])) ) );

	$url = $file['url'];

	$type = $file['type'];

	$file = $file['file'];

	$title = $name;

	$content = '';

	// use image exif/iptc data for title and caption defaults if possible

	if ( $image_meta = @wp_read_image_metadata($file) ) {

		if ( trim($image_meta['title']) )

			$title = $image_meta['title'];

		if ( trim($image_meta['caption']) )

			$content = $image_meta['caption'];

	}

	// Construct the attachment array

	$attachment = array_merge( array(

		'post_mime_type' => $type,

		'guid' => $url,

		'post_parent' => $post_id,

		'post_title' => $title,

		'post_content' => $content,

	), $post_data );

	// Save the data

	$id = wp_insert_attachment($attachment, $file, $post_id);

	if ( !is_wp_error($id) ) {

		wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $file ) );

	}

	return $id;

}

/**

 * {@internal Missing Short Description}}

 *

 * @since unknown

 *

 * @param unknown_type $file_array

 * @param unknown_type $post_id

 * @param unknown_type $desc

 * @param unknown_type $post_data

 * @return unknown

 */

function media_handle_sideload($file_array, $post_id, $desc = null, $post_data = array()) {

	$overrides = array('test_form'=>false);

	$file = wp_handle_sideload($file_array, $overrides);

	if ( isset($file['error']) )

		return new WP_Error( 'upload_error', $file['error'] );

	$url = $file['url'];

	$type = $file['type'];

	$file = $file['file'];

	$title = preg_replace('/\.[^.]+$/', '', basename($file));

	$content = '';

	// use image exif/iptc data for title and caption defaults if possible

	if ( $image_meta = @wp_read_image_metadata($file) ) {

		if ( trim($image_meta['title']) )

			$title = $image_meta['title'];

		if ( trim($image_meta['caption']) )

			$content = $image_meta['caption'];

	}

	$title = @$desc;

	// Construct the attachment array

	$attachment = array_merge( array(

		'post_mime_type' => $type,

		'guid' => $url,

		'post_parent' => $post_id,

		'post_title' => $title,

		'post_content' => $content,

	), $post_data );

	// Save the data

	$id = wp_insert_attachment($attachment, $file, $post_id);

	if ( !is_wp_error($id) ) {

		wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $file ) );

		return $url;

	}

	return $id;

}

/**

 * {@internal Missing Short Description}}

 *

 * Wrap iframe content (produced by $content_func) in a doctype, html head/body

 * etc any additional function args will be passed to content_func.

 *

 * @since unknown

 *

 * @param unknown_type $content_func

 */

function wp_iframe($content_func /* ... */) {

?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" <?php do_action('admin_xml_ns'); ?> <?php language_attributes(); ?>>

<head>

<meta http-equiv="Content-Type" content="<?php bloginfo('html_type'); ?>; charset=<?php echo get_option('blog_charset'); ?>" />

<title><?php bloginfo('name') ?> &rsaquo; <?php _e('Uploads'); ?> &#8212; <?php _e('WordPress'); ?></title>

<?php

wp_enqueue_style( 'global' );

wp_enqueue_style( 'wp-admin' );

wp_enqueue_style( 'colors' );

if ( 0 === strpos( $content_func, 'media' ) )

	wp_enqueue_style( 'media' );

wp_enqueue_style( 'ie' );

?>

<script type="text/javascript">

//<![CDATA[

addLoadEvent = function(func){if(typeof jQuery!="undefined")jQuery(document).ready(func);else if(typeof wpOnload!='function'){wpOnload=func;}else{var oldonload=wpOnload;wpOnload=function(){oldonload();func();}}};

var userSettings = {'url':'<?php echo SITECOOKIEPATH; ?>','uid':'<?php if ( ! isset($current_user) ) $current_user = wp_get_current_user(); echo $current_user->ID; ?>','time':'<?php echo time() ?>'};

//]]>

</script>

<?php

do_action('admin_print_styles');

do_action('admin_print_scripts');

do_action('admin_head');

if ( is_string($content_func) )

	do_action( "admin_head_{$content_func}" );

?>

</head>

<body<?php if ( isset($GLOBALS['body_id']) ) echo ' id="' . $GLOBALS['body_id'] . '"'; ?>>

<?php

	$args = func_get_args();

	$args = array_slice($args, 1);

	call_user_func_array($content_func, $args);

	do_action('admin_print_footer_scripts');

?>

<script type="text/javascript">if(typeof wpOnload=='function')wpOnload();</script>

</body>

</html>

<?php

}

/**

 * {@internal Missing Short Description}}

 *

 * @since unknown

 */

function media_buttons() {

	global $post_ID, $temp_ID;

	$uploading_iframe_ID = (int) (0 == $post_ID ? $temp_ID : $post_ID);

	$context = apply_filters('media_buttons_context', __('Upload/Insert %s'));

	$media_upload_iframe_src = "media-upload.php?post_id=$uploading_iframe_ID";

	$media_title = __('Add Media');

	$image_upload_iframe_src = apply_filters('image_upload_iframe_src', "$media_upload_iframe_src&type=image");

	$image_title = __('Add an Image');

	$video_upload_iframe_src = apply_filters('video_upload_iframe_src', "$media_upload_iframe_src&type=video");

	$video_title = __('Add Video');

	$audio_upload_iframe_src = apply_filters('audio_upload_iframe_src', "$media_upload_iframe_src&type=audio");

	$audio_title = __('Add Audio');

	$out = <<<EOF

	<a href="{$image_upload_iframe_src}&amp;TB_iframe=true" id="add_image" class="thickbox" title='$image_title' onclick="return false;"><img src='images/media-button-image.gif' alt='$image_title' /></a>

	<a href="{$video_upload_iframe_src}&amp;TB_iframe=true" id="add_video" class="thickbox" title='$video_title' onclick="return false;"><img src='images/media-button-video.gif' alt='$video_title' /></a>

	<a href="{$audio_upload_iframe_src}&amp;TB_iframe=true" id="add_audio" class="thickbox" title='$audio_title' onclick="return false;"><img src='images/media-button-music.gif' alt='$audio_title' /></a>

	<a href="{$media_upload_iframe_src}&amp;TB_iframe=true" id="add_media" class="thickbox" title='$media_title' onclick="return false;"><img src='images/media-button-other.gif' alt='$media_title' /></a>

EOF;

	printf($context, $out);

}

add_action( 'media_buttons', 'media_buttons' );

/**

 * {@internal Missing Short Description}}

 *

 * @since unknown

 *

 * @return unknown

 */

function media_upload_form_handler() {

	check_admin_referer('media-form');

	$errors = null;

	if ( isset($_POST['send']) ) {

		$keys = array_keys($_POST['send']);

		$send_id = (int) array_shift($keys);

	}

	if ( !empty($_POST['attachments']) ) foreach ( $_POST['attachments'] as $attachment_id => $attachment ) {

		$post = $_post = get_post($attachment_id, ARRAY_A);

		if ( isset($attachment['post_content']) )

			$post['post_content'] = $attachment['post_content'];

		if ( isset($attachment['post_title']) )

			$post['post_title'] = $attachment['post_title'];

		if ( isset($attachment['post_excerpt']) )

			$post['post_excerpt'] = $attachment['post_excerpt'];

		if ( isset($attachment['menu_order']) )

			$post['menu_order'] = $attachment['menu_order'];

		if ( isset($send_id) && $attachment_id == $send_id ) {

			if ( isset($attachment['post_parent']) )

				$post['post_parent'] = $attachment['post_parent'];

		}

		$post = apply_filters('attachment_fields_to_save', $post, $attachment);

		if ( isset($post['errors']) ) {

			$errors[$attachment_id] = $post['errors'];

			unset($post['errors']);

		}

		if ( $post != $_post )