<?php

/**

 * WordPress Theme Installation 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,

);

/**

 * Retrieves the list of WordPress theme features (aka theme tags).

 *

 * @since 2.8.0

 *

 * @deprecated 3.1.0 Use get_theme_feature_list() instead.

 *

 * @return array

 */

function install_themes_feature_list() {

	_deprecated_function( __FUNCTION__, '3.1.0', 'get_theme_feature_list()' );

	$cache = get_transient( 'wporg_theme_feature_list' );

	if ( ! $cache ) {

		set_transient( 'wporg_theme_feature_list', array(), 3 * HOUR_IN_SECONDS );

	}

	if ( $cache ) {

		return $cache;

	}

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

	if ( is_wp_error( $feature_list ) ) {

		return array();

	}

	set_transient( 'wporg_theme_feature_list', $feature_list, 3 * HOUR_IN_SECONDS );

	return $feature_list;

}

/**

 * Displays search form for searching themes.

 *

 * @since 2.8.0

 *

 * @param bool $type_selector

 */

function install_theme_search_form( $type_selector = true ) {

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

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

	if ( ! $type_selector ) {

		echo '<p class="install-help">' . __( 'Search for themes by keyword.' ) . '</p>';

	}

	?>

<form id="search-themes" method="get">

	<input type="hidden" name="tab" value="search" />

	<?php if ( $type_selector ) : ?>

	<label class="screen-reader-text" for="typeselector">

		<?php

		/* translators: Hidden accessibility text. */

		_e( 'Type of search' );

		?>

	</label>

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

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

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

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

	</select>

	<label class="screen-reader-text" for="s">

		<?php

		switch ( $type ) {

			case 'term':

				/* translators: Hidden accessibility text. */

				_e( 'Search by keyword' );

				break;

			case 'author':

				/* translators: Hidden accessibility text. */

				_e( 'Search by author' );

				break;

			case 'tag':

				/* translators: Hidden accessibility text. */

				_e( 'Search by tag' );

				break;

		}

		?>

	</label>

	<?php else : ?>

	<label class="screen-reader-text" for="s">

		<?php

		/* translators: Hidden accessibility text. */

		_e( 'Search by keyword' );

		?>

	</label>

	<?php endif; ?>

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

	<?php submit_button( __( 'Search' ), '', 'search', false ); ?>

</form>

	<?php

}

/**

 * Displays tags filter for themes.

 *

 * @since 2.8.0

 */

function install_themes_dashboard() {

	install_theme_search_form( false );

	?>

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

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

<form method="get">

	<input type="hidden" name="tab" value="search" />

	<?php

	$feature_list = get_theme_feature_list();

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

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

		$feature_name = esc_html( $feature_name );

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

		echo '<ol class="feature-group">';

		foreach ( $features as $feature => $feature_name ) {

			$feature_name = esc_html( $feature_name );

			$feature      = esc_attr( $feature );

			?>

<li>

	<input type="checkbox" name="features[]" 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" />

	<?php submit_button( __( 'Find Themes' ), '', 'search' ); ?>

</form>

	<?php

}

/**

 * Displays a form to upload themes from zip files.

 *

 * @since 2.8.0

 */

function install_themes_upload() {

	?>

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

<form method="post" enctype="multipart/form-data" class="wp-upload-form" action="<?php echo esc_url( self_admin_url( 'update.php?action=upload-theme' ) ); ?>">

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

	<label class="screen-reader-text" for="themezip">

		<?php

		/* translators: Hidden accessibility text. */

		_e( 'Theme zip file' );

		?>

	</label>

	<input type="file" id="themezip" name="themezip" accept=".zip" />

	<?php submit_button( _x( 'Install Now', 'theme' ), '', 'install-theme-submit', false ); ?>

</form>

	<?php

}

/**

 * Prints a theme on the Install Themes pages.

 *

 * @deprecated 3.4.0

 *

 * @global WP_Theme_Install_List_Table $wp_list_table

 *

 * @param object $theme

 */

function display_theme( $theme ) {

	_deprecated_function( __FUNCTION__, '3.4.0' );

	global $wp_list_table;

	if ( ! isset( $wp_list_table ) ) {

		$wp_list_table = _get_list_table( 'WP_Theme_Install_List_Table' );

	}

	$wp_list_table->prepare_items();

	$wp_list_table->single_row( $theme );

}

/**

 * Displays theme content based on theme list.

 *

 * @since 2.8.0

 *

 * @global WP_Theme_Install_List_Table $wp_list_table

 */

function display_themes() {

	global $wp_list_table;

	if ( ! isset( $wp_list_table ) ) {

		$wp_list_table = _get_list_table( 'WP_Theme_Install_List_Table' );

	}

	$wp_list_table->prepare_items();

	$wp_list_table->display();

}

/**

 * Displays theme information in dialog box form.

 *

 * @since 2.8.0

 *

 * @global WP_Theme_Install_List_Table $wp_list_table

 */

function install_theme_information() {

	global $wp_list_table;

	$theme = themes_api( 'theme_information', array( 'slug' => wp_unslash( $_REQUEST['theme'] ) ) );

	if ( is_wp_error( $theme ) ) {

		wp_die( $theme );

	}

	iframe_header( __( 'Theme Installation' ) );

	if ( ! isset( $wp_list_table ) ) {

		$wp_list_table = _get_list_table( 'WP_Theme_Install_List_Table' );

	}

	$wp_list_table->theme_installer_single( $theme );

	iframe_footer();

	exit;

}