install_theme_information

Source code

function install_theme_information() {

	//TODO: This function needs a LOT of UI work 🙂

	global $tab, $themes_allowedtags;



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



	if ( is_wp_error($api) )

		wp_die($api);



	// Sanitize HTML

	foreach ( (array)$api->sections as $section_name => $content )

		$api->sections[$section_name] = wp_kses($content, $themes_allowedtags);



	foreach ( array('version', 'author', 'requires', 'tested', 'homepage', 'downloaded', 'slug') as $key ) {

		if ( isset($api->$key) )

			$api->$key = wp_kses($api->$key, $themes_allowedtags);

	}



	iframe_header( __('Theme Install') );



	if ( empty($api->download_link) ) {

		echo '<div id="message" class="error"><p>' . __('<strong>Error:</strong> This theme is currently not available. Please try again later.') . '</p></div>';

		iframe_footer();

		exit;

	}



	if ( !empty($api->tested) && version_compare($GLOBALS['wp_version'], $api->tested, '>') )

		echo '<div class="updated"><p>' . __('<strong>Warning:</strong> This theme has <strong>not been tested</strong> with your current version of WordPress.') . '</p></div>';

	else if ( !empty($api->requires) && version_compare($GLOBALS['wp_version'], $api->requires, '<') )

		echo '<div class="updated"><p>' . __('<strong>Warning:</strong> This theme has not been marked as <strong>compatible</strong> with your version of WordPress.') . '</p></div>';



	// Default to a "new" theme

	$type = 'install';

	// Check to see if this theme is known to be installed, and has an update awaiting it.

	$update_themes = get_site_transient('update_themes');

	if ( is_object($update_themes) && isset($update_themes->response) ) {

		foreach ( (array)$update_themes->response as $theme_slug => $theme_info ) {

			if ( $theme_slug === $api->slug ) {

				$type = 'update_available';

				$update_file = $theme_slug;

				break;

			}

		}

	}



	$themes = get_themes();

	foreach ( $themes as $this_theme ) {

		if ( is_array($this_theme) && $this_theme['Stylesheet'] == $api->slug ) {

			if ( $this_theme['Version'] == $api->version ) {

				$type = 'latest_installed';

			} elseif ( $this_theme['Version'] > $api->version ) {

				$type = 'newer_installed';

				$newer_version = $this_theme['Version'];

			}

			break;

		}

	}

?>



<div class='available-theme'>

<img src='<?php echo esc_url($api->screenshot_url) ?>' width='300' class="theme-preview-img" />

<h3><?php echo $api->name; ?></h3>

<p><?php printf(__('by %s'), $api->author); ?></p>

<p><?php printf(__('Version: %s'), $api->version); ?></p>



<?php

$buttons = '<a class="button" id="cancel" href="#" onclick="tb_close();return false;">' . __('Cancel') . '</a> ';



switch ( $type ) {

default:

case 'install':

	if ( current_user_can('install_themes') ) :

	$buttons .= '<a class="button-primary" id="install" href="' . wp_nonce_url(self_admin_url('update.php?action=install-theme&theme=' . $api->slug), 'install-theme_' . $api->slug) . '" target="_parent">' . __('Install Now') . '</a>';

	endif;

	break;

case 'update_available':

	if ( current_user_can('update_themes') ) :

	$buttons .= '<a class="button-primary" id="install"	href="' . wp_nonce_url(self_admin_url('update.php?action=upgrade-theme&theme=' . $update_file), 'upgrade-theme_' . $update_file) . '" target="_parent">' . __('Install Update Now') . '</a>';

	endif;

	break;

case 'newer_installed':

	if ( current_user_can('install_themes') || current_user_can('update_themes') ) :

	?><p><?php printf(__('Newer version (%s) is installed.'), $newer_version); ?></p><?php

	endif;

	break;

case 'latest_installed':

	if ( current_user_can('install_themes') || current_user_can('update_themes') ) :

	?><p><?php _e('This version is already installed.'); ?></p><?php

	endif;

	break;

} ?>

<br class="clear" />

</div>



<p class="action-button">

<?php echo $buttons; ?>

<br class="clear" />

</p>



<?php

	iframe_footer();

	exit;

}