Changeset 7961 for trunk/wp-includes/theme.php

Timestamp:

05/20/2008 05:19:33 PM (17 years ago)

Author:

ryan

Message:

Theme preview and thickbox CSS cleanup. Props azaozz. see #5486

File:

• trunk/wp-includes/theme.php (modified) (1 diff)

trunk/wp-includes/theme.php

@@ -480 +480 @@
 }
 
+function preview_theme() {
+    if ( ! (isset($_GET['template']) && isset($_GET['preview'])) )
+        return;
+
+    if ( !current_user_can( 'switch_themes' ) )
+        return;
+
+    $_GET[template] = preg_replace('|[^a-z0-9]|i', '', $_GET[template]);
+
+    add_filter('template', create_function('', "return '$_GET[template]';") );
+
+    if ( isset($_GET['stylesheet']) ) {
+        $_GET[stylesheet] = preg_replace('|[^a-z0-9]|i', '', $_GET[stylesheet]);
+        add_filter('stylesheet', create_function('', "return '$_GET[stylesheet]';") );
+    }
+
+    ob_start( 'preview_theme_ob_filter' );
+}
+add_action('setup_theme', 'preview_theme');
+
+function preview_theme_ob_filter( $content ) {
+    return preg_replace_callback( "|(<a.*?href=([\"']))(.*?)([\"'].*?>)|", 'preview_theme_ob_filter_callback', $content );
+}
+
+function preview_theme_ob_filter_callback( $matches ) {
+    if (
+        ( false !== strpos($matches[3], '/wp-admin/') )
+    ||
+        ( false !== strpos($matches[3], '://') && 0 !== strpos($matches[3], get_option('home')) )
+    ||
+        ( false !== strpos($matches[3], '/feed/') )
+    ||
+        ( false !== strpos($matches[3], '/trackback/') )
+    )
+        return $matches[1] . "#$matches[2] onclick=$matches[2]return false;" . $matches[4];
+
+    $link = add_query_arg( array('preview' => 1, 'template' => $_GET['template'], 'stylesheet' => @$_GET['stylesheet'] ), $matches[3] );
+    if ( 0 === strpos($link, 'preview=1') )
+        $link = "?$link";
+    return $matches[1] . attribute_escape( $link ) . $matches[4];
+}
+
 function switch_theme($template, $stylesheet) {
     update_option('template', $template);