<?php

/**

 * WordPress Theme Install Administration API

 *

 * @package WordPress

 * @subpackage Administration

 */

$themes_allowedtags = array('a' => array('href' => array(), 'title' => array(), 'target' => array()),

	'abbr' => array('title' => array()), 'acronym' => array('title' => array()),

	'code' => array(), 'pre' => array(), 'em' => array(), 'strong' => array(),

	'div' => array(), 'p' => array(), 'ul' => array(), 'ol' => array(), 'li' => array(),

	'h1' => array(), 'h2' => array(), 'h3' => array(), 'h4' => array(), 'h5' => array(), 'h6' => array(),

	'img' => array('src' => array(), 'class' => array(), 'alt' => array())

);

$theme_field_defaults = array( 'description' => true, 'sections' => false, 'tested' => true, 'requires' => true,

	'rating' => true, 'downloaded' => true, 'downloadlink' => true, 'last_updated' => true, 'homepage' => true,

	'tags' => true, 'num_ratings' => true

);

/**

 * Retrieve theme installer pages from WordPress Themes API.

 *

 * It is possible for a theme to override the Themes API result with three

 * filters. Assume this is for themes, which can extend on the Theme Info to

 * offer more choices. This is very powerful and must be used with care, when

 * overridding the filters.

 *

 * The first filter, 'themes_api_args', is for the args and gives the action as

 * the second parameter. The hook for 'themes_api_args' must ensure that an

 * object is returned.

 *

 * The second filter, 'themes_api', is the result that would be returned.

 *

 * @since 2.8.0

 *

 * @param string $action

 * @param array|object $args Optional. Arguments to serialize for the Theme Info API.

 * @return mixed

 */

function themes_api($action, $args = null) {

	if ( is_array($args) )

		$args = (object)$args;

	if ( !isset($args->per_page) )

		$args->per_page = 24;

	$args = apply_filters('themes_api_args', $args, $action); //NOTE: Ensure that an object is returned via this filter.

	$res = apply_filters('themes_api', false, $action, $args); //NOTE: Allows a theme to completely override the builtin WordPress.org API.

	if ( ! $res ) {

		$request = wp_remote_post('http://api.wordpress.org/themes/info/1.0/', array( 'body' => array('action' => $action, 'request' => serialize($args))) );

		if ( is_wp_error($request) ) {

			$res = new WP_Error('themes_api_failed', __('An Unexpected HTTP Error occured during the API request.</p> <p><a href="?" onclick="document.location.reload(); return false;">Try again</a>'), $request->get_error_message() );

		} else {

			$res = unserialize($request['body']);

			if ( ! $res )

			$res = new WP_Error('themes_api_failed', __('An unknown error occured'), $request['body']);

		}

	}

	//var_dump(array($args, $res));

	return apply_filters('themes_api_result', $res, $action, $args);

}

/**

 * Retrieve list of WordPress theme features (aka theme tags)

 *

 * @since 2.8.0

 *

 * @return array

 */

function install_themes_feature_list( ) {

	if ( !$cache = get_transient( 'wporg_theme_feature_list' ) )

		set_transient( 'wporg_theme_feature_list', array( ),  10800);

	if ( $cache  )

		return $cache;

	$feature_list = themes_api( 'feature_list', array( ) );

	if ( is_wp_error( $feature_list ) )

		return $features;

	set_transient( 'wporg_theme_feature_list', $feature_list, 10800 );

	return $feature_list;

}

add_action('install_themes_search', 'install_theme_search', 10, 1);

/**

 * Display theme search results

 *

 * @since 2.8.0

 *

 * @param string $page

 */

function install_theme_search($page) {

	global $theme_field_defaults;

	$type = isset($_REQUEST['type']) ? stripslashes( $_REQUEST['type'] ) : '';

	$term = isset($_REQUEST['s']) ? stripslashes( $_REQUEST['s'] ) : '';

	$args = array();

	switch( $type ){

		case 'tag':

			$terms = explode(',', $term);

			$terms = array_map('trim', $terms);

			$terms = array_map('sanitize_title_with_dashes', $terms);

			$args['tag'] = $terms;

			break;

		case 'term':

			$args['search'] = $term;

			break;

		case 'author':

			$args['author'] = $term;

			break;

	}

	$args['page'] = $page;

	$args['fields'] = $theme_field_defaults;

	if ( !empty( $_POST['features'] ) ) {

		$terms = $_POST['features'];

		$terms = array_map( 'trim', $terms );

		$terms = array_map( 'sanitize_title_with_dashes', $terms );

		$args['tag'] = $terms;

		$_REQUEST['s'] = implode( ',', $terms );

		$_REQUEST['type'] = 'tag';

	}

	$api = themes_api('query_themes', $args);

	if ( is_wp_error($api) )

		wp_die($api);

	add_action('install_themes_table_header', 'install_theme_search_form');

	display_themes($api->themes, $api->info['page'], $api->info['pages']);

}

/**

 * Display search form for searching themes.

 *

 * @since 2.8.0

 */

function install_theme_search_form() {

	$type = isset( $_REQUEST['type'] ) ? stripslashes( $_REQUEST['type'] ) : '';

	$term = isset( $_REQUEST['s'] ) ? stripslashes( $_REQUEST['s'] ) : '';

	?>

<p class="install-help"><?php _e('Search for themes by keyword, author, or tag.') ?></p>

<form id="search-themes" method="post" action="<?php echo admin_url( 'theme-install.php?tab=search' ); ?>">

	<select	name="type" id="typeselector">

	<option value="term" <?php selected('term', $type) ?>><?php _e('Term'); ?></option>

	<option value="author" <?php selected('author', $type) ?>><?php _e('Author'); ?></option>

	<option value="tag" <?php selected('tag', $type) ?>><?php echo _x('Tag', 'Theme Installer'); ?></option>

	</select>

	<input type="text" name="s" size="30" value="<?php echo esc_attr($term) ?>" />

	<input type="submit" name="search" value="<?php esc_attr_e('Search'); ?>" class="button" />

</form>

<?php

}

add_action('install_themes_dashboard', 'install_themes_dashboard');

/**

 * Display tags filter for themes.

 *

 * @since 2.8.0

 */

function install_themes_dashboard() {

	install_theme_search_form();

?>

<h4><?php _e('Feature Filter') ?></h4>

<form method="post" action="<?php echo admin_url( 'theme-install.php?tab=search' ); ?>">

<p class="install-help"><?php _e('Find a theme based on specific features') ?></p>

	<?php

	$feature_list = install_themes_feature_list( );

	echo '<div class="feature-filter">';

	$trans = array ('Colors' => __('Colors'), 'black' => __('Black'), 'blue' => __('Blue'), 'brown' => __('Brown'),

		'green' => __('Green'), 'orange' => __('Orange'), 'pink' => __('Pink'), 'purple' => __('Purple'), 'red' => __('Red'),

		'silver' => __('Silver'), 'tan' => __('Tan'), 'white' => __('White'), 'yellow' => __('Yellow'), 'dark' => __('Dark'),

		'light' => __('Light'), 'Columns' => __('Columns'), 'one-column' => __('One Column'), 'two-columns' => __('Two Columns'),

		'three-columns' => __('Three Columns'), 'four-columns' => __('Four Columns'), 'left-sidebar' => __('Left Sidebar'),

		'right-sidebar' => __('Right Sidebar'), 'Width' => __('Width'), 'fixed-width' => __('Fixed Width'), 'flexible-width' => __('Flexible Width'),

		'Features' => __('Features'), 'custom-colors' => __('Custom Colors'), 'custom-header' => __('Custom Header'), 'theme-options' => __('Theme Options'),

		'threaded-comments' => __('Threaded Comments'), 'sticky-post' => __('Sticky Post'), 'microformats' => __('Microformats'),

		'Subject' => __('Subject'), 'holiday' => __('Holiday'), 'photoblogging' => __('Photoblogging'), 'seasonal' => __('Seasonal'),

	);

	foreach ( (array) $feature_list as $feature_name => $features ) {

		if ( isset($trans[$feature_name]) )

			 $feature_name = $trans[$feature_name];

		$feature_name = esc_html( $feature_name );

		echo '<div class="feature-name">' . $feature_name . '</div>';

		echo '<ol style="float: left; width: 725px;" class="feature-group">';

		foreach ( $features as $feature ) {

			$feature_name = $feature;

			if ( isset($trans[$feature]) )

				$feature_name = $trans[$feature];

			$feature_name = esc_html( $feature_name );

			$feature = esc_attr($feature);

?>

<li>

	<input type="checkbox" name="features[<?php echo $feature; ?>]" id="feature-id-<?php echo $feature; ?>" value="<?php echo $feature; ?>" />

	<label for="feature-id-<?php echo $feature; ?>"><?php echo $feature_name; ?></label>

</li>

<?php	} ?>

</ol>

<br class="clear" />

<?php

	} ?>

</div>

<br class="clear" />

<p><input type="submit" name="search" value="<?php esc_attr_e('Find Themes'); ?>" class="button" /></p>

</form>

<?php

}

add_action('install_themes_featured', 'install_themes_featured', 10, 1);

/**

 * Display featured themes.

 *

 * @since 2.8.0

 *

 * @param string $page

 */

function install_themes_featured($page = 1) {

	global $theme_field_defaults;

	$args = array('browse' => 'featured', 'page' => $page, 'fields' => $theme_field_defaults);

	$api = themes_api('query_themes', $args);

	if ( is_wp_error($api) )

		wp_die($api);

	display_themes($api->themes, $api->info['page'], $api->info['pages']);

}

add_action('install_themes_new', 'install_themes_new', 10, 1);

/**

 * Display new themes/

 *

 * @since 2.8.0

 *

 * @param string $page

 */

function install_themes_new($page = 1) {

	global $theme_field_defaults;

	$args = array('browse' => 'new', 'page' => $page, 'fields' => $theme_field_defaults);

	$api = themes_api('query_themes', $args);

	if ( is_wp_error($api) )

		wp_die($api);

	display_themes($api->themes, $api->info['page'], $api->info['pages']);

}

add_action('install_themes_updated', 'install_themes_updated', 10, 1);

/**

 * Display recently updated themes.

 *

 * @since 2.8.0

 *

 * @param string $page

 */

function install_themes_updated($page = 1) {

	global $theme_field_defaults;

	$args = array('browse' => 'updated', 'page' => $page, 'fields' => $theme_field_defaults);

	$api = themes_api('query_themes', $args);

	display_themes($api->themes, $api->info['page'], $api->info['pages']);

}

add_action('install_themes_upload', 'install_themes_upload', 10, 1);

function install_themes_upload($page = 1) {

?>

<h4><?php _e('Install a theme in .zip format') ?></h4>

<p class="install-help"><?php _e('If you have a theme in a .zip format, you may install it by uploading it here.') ?></p>

<form method="post" enctype="multipart/form-data" action="<?php echo admin_url('update.php?action=upload-theme') ?>">

	<?php wp_nonce_field( 'theme-upload') ?>

	<input type="file" name="themezip" />

	<input type="submit"

	class="button" value="<?php esc_attr_e('Install Now') ?>" />

</form>

	<?php

}

function display_theme($theme, $actions = null, $show_details = true) {

	global $themes_allowedtags;

	if ( empty($theme) )

		return;

	$name = wp_kses($theme->name, $themes_allowedtags);

	$desc = wp_kses($theme->description, $themes_allowedtags);

	//if ( strlen($desc) > 30 )

	//	$desc =  substr($desc, 0, 15) . '<span class="dots">...</span><span>' . substr($desc, -15) . '</span>';

	$preview_link = $theme->preview_url . '?TB_iframe=true&width=600&height=400';

	if ( !is_array($actions) ) {

		$actions = array();

		$actions[] = '<a href="' . admin_url('theme-install.php?tab=theme-information&amp;theme=' . $theme->slug .

										'&amp;TB_iframe=true&amp;tbWidth=500&amp;tbHeight=350') . '" class="thickbox thickbox-preview onclick" title="' . esc_attr(sprintf(__('Install &#8220;%s&#8221;'), $name)) . '">' . __('Install') . '</a>';

		$actions[] = '<a href="' . $preview_link . '" class="thickbox thickbox-preview onclick previewlink" title="' . esc_attr(sprintf(__('Preview &#8220;%s&#8221;'), $name)) . '">' . __('Preview') . '</a>';

		$actions = apply_filters('theme_install_action_links', $actions, $theme);

	}

	$actions = implode ( ' | ', $actions );

	?>

<a class='thickbox thickbox-preview screenshot'

	href='<?php echo esc_url($preview_link); ?>'

	title='<?php echo esc_attr(sprintf(__('Preview &#8220;%s&#8221;'), $name)); ?>'>

<img src='<?php echo esc_url($theme->screenshot_url); ?>' width='150' />

</a>

<h3><?php echo $name ?></h3>

<span class='action-links'><?php echo $actions ?></span>

<p><?php echo $desc ?></p>

<?php if ( $show_details ) { ?>

<a href="#theme_detail" class="theme-detail hide-if-no-js" tabindex='4'><?php _e('Details') ?></a>

<div class="themedetaildiv hide-if-js">

<p><strong><?php _e('Version:') ?></strong> <?php echo wp_kses($theme->version, $themes_allowedtags) ?></p>

<p><strong><?php _e('Author:') ?></strong> <?php echo wp_kses($theme->author, $themes_allowedtags) ?></p>

<?php if ( ! empty($theme->last_updated) ) : ?>

<p><strong><?php _e('Last Updated:') ?></strong> <span title="<?php echo $theme->last_updated ?>"><?php printf( __('%s ago'), human_time_diff(strtotime($theme->last_updated)) ) ?></span></p>

<?php endif; if ( ! empty($theme->requires) ) : ?>

<p><strong><?php _e('Requires WordPress Version:') ?></strong> <?php printf(__('%s or higher'), $theme->requires) ?></p>

<?php endif; if ( ! empty($theme->tested) ) : ?>

<p><strong><?php _e('Compatible up to:') ?></strong> <?php echo $theme->tested ?></p>

<?php endif; if ( !empty($theme->downloaded) ) : ?>

<p><strong><?php _e('Downloaded:') ?></strong> <?php printf(_n('%s time', '%s times', $theme->downloaded), number_format_i18n($theme->downloaded)) ?></p>

<?php endif; ?>

<div class="star-holder" title="<?php printf(_n('(based on %s rating)', '(based on %s ratings)', $theme->num_ratings), number_format_i18n($theme->num_ratings)) ?>">

	<div class="star star-rating" style="width: <?php echo esc_attr($theme->rating) ?>px"></div>

	<div class="star star5"><img src="<?php echo admin_url('images/star.gif'); ?>" alt="<?php _e('5 stars') ?>" /></div>

	<div class="star star4"><img src="<?php echo admin_url('images/star.gif'); ?>" alt="<?php _e('4 stars') ?>" /></div>

	<div class="star star3"><img src="<?php echo admin_url('images/star.gif'); ?>" alt="<?php _e('3 stars') ?>" /></div>

	<div class="star star2"><img src="<?php echo admin_url('images/star.gif'); ?>" alt="<?php _e('2 stars') ?>" /></div>

	<div class="star star1"><img src="<?php echo admin_url('images/star.gif'); ?>" alt="<?php _e('1 star') ?>" /></div>

</div>

</div>

<?php }

	/*

	 object(stdClass)[59]

	 public 'name' => string 'Magazine Basic' (length=14)

	 public 'slug' => string 'magazine-basic' (length=14)

	 public 'version' => string '1.1' (length=3)

	 public 'author' => string 'tinkerpriest' (length=12)

	 public 'preview_url' => string 'http://wp-themes.com/?magazine-basic' (length=36)

	 public 'screenshot_url' => string 'http://wp-themes.com/wp-content/themes/magazine-basic/screenshot.png' (length=68)

	 public 'rating' => float 80

	 public 'num_ratings' => int 1

	 public 'homepage' => string 'http://wordpress.org/extend/themes/magazine-basic' (length=49)

	 public 'description' => string 'A basic magazine style layout with a fully customizable layout through a backend interface. Designed by <a href="http://bavotasan.com">c.bavota</a> of <a href="http://tinkerpriestmedia.com">Tinker Priest Media</a>.' (length=214)

	 public 'download_link' => string 'http://wordpress.org/extend/themes/download/magazine-basic.1.1.zip' (length=66)

	 */

}

/**

 * Display theme content based on theme list.

 *

 * @since 2.8.0

 *

 * @param array $themes List of themes.

 * @param string $page

 * @param int $totalpages Number of pages.

 */

function display_themes($themes, $page = 1, $totalpages = 1) {

	global $themes_allowedtags;

	$type = isset($_REQUEST['type']) ? stripslashes( $_REQUEST['type'] ) : '';

	$term = isset($_REQUEST['s']) ? stripslashes( $_REQUEST['s'] ) : '';

	?>

<div class="tablenav">

<div class="alignleft actions"><?php do_action('install_themes_table_header'); ?></div>

	<?php

	$url = esc_url($_SERVER['REQUEST_URI']);

	if ( ! empty($term) )

		$url = add_query_arg('s', $term, $url);

	if ( ! empty($type) )

		$url = add_query_arg('type', $type, $url);