WordPress/wp-admin/includes/theme-install.php

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<?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, $args);
}
/**
* Retrieve list of WordPress theme features (aka theme tags)
*
* @since 2.8.0
*
* @deprecated since 3.1.0 Use get_theme_feature_list() instead.
*
* @return array
*/
function install_themes_feature_list( ) {
if ( !$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;
}
/**
* 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="get" action="">
<input type="hidden" name="tab" value="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', $type) ?>><?php _ex('Tag', 'Theme Installer'); ?></option>
</select>
<input type="text" name="s" size="30" value="<?php echo esc_attr($term) ?>" />
<input type="submit" name="search" value="<?php esc_attr_e('Search'); ?>" class="button" />
</form>
<?php
}
/**
* 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 = 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 style="float: left; width: 725px;" 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[<?php echo $feature; ?>]" id="feature-id-<?php echo $feature; ?>" value="<?php echo $feature; ?>" />
<label for="feature-id-<?php echo $feature; ?>"><?php echo $feature_name; ?></label>
</li>
<?php } ?>
</ol>
<br class="clear" />
<?php
} ?>
</div>
<br class="clear" />
<p><input type="submit" name="search" value="<?php esc_attr_e('Find Themes'); ?>" class="button" /></p>
</form>
<?php
}
add_action('install_themes_dashboard', 'install_themes_dashboard');
function install_themes_upload($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
}
add_action('install_themes_upload', 'install_themes_upload', 10, 1);
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 = $theme->preview_url . '?TB_iframe=true&amp;width=600&amp;height=400';
if ( !is_array($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=385') . '" 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
*/
function display_themes() {
global $wp_list_table;
$wp_list_table->display();
}
add_action('install_themes_search', 'display_themes');
add_action('install_themes_featured', 'display_themes');
add_action('install_themes_new', 'display_themes');
add_action('install_themes_updated', 'display_themes');
/**
* Display theme information in dialog box form.
*
* @since 2.8.0
*/
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(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(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;
}
add_action('install_themes_pre_theme-information', 'install_theme_information');