Ticket #13019: multiple_category_jumpmenus.patch

default-widgets.php

@@ -424 +424 @@
         }
 
         function widget( $args, $instance ) {
+                static $widget_number = 0;
+                $widget_number++;
                 extract( $args );
 
                 $title = apply_filters('widget_title', empty( $instance['title'] ) ? __( 'Categories' ) : $instance['title'], $instance, $this->id_base);
@@ -439 +441 @@
 
                 if ( $d ) {
                         $cat_args['show_option_none'] = __('Select Category');
-                        wp_dropdown_categories(apply_filters('widget_categories_dropdown_args', $cat_args));
+                        $dropdown_name = $cat_args['name'] = 'category_jumpmenu' . $widget_number;
+                        wp_dropdown_categories( apply_filters( 'widget_categories_dropdown_args' , $cat_args ) );
 ?>
 
 <script type='text/javascript'>
 /* <![CDATA[ */
-        var dropdown = document.getElementById("cat");
-        function onCatChange() {
-                if ( dropdown.options[dropdown.selectedIndex].value > 0 ) {
-                        location.href = "<?php echo home_url(); ?>/?cat="+dropdown.options[dropdown.selectedIndex].value;
+        var dropdown<?php echo $widget_number; ?> = document.getElementById("<?php echo $dropdown_name; ?>");
+        function on<?php echo $dropdown_name; ?>Change() {
+                if ( dropdown<?php echo $widget_number; ?>.options[dropdown<?php echo $widget_number; ?>.selectedIndex].value > 0 ) {
+                        location.href = "<?php echo home_url(); ?>/?cat="+dropdown<?php echo $widget_number; ?>.options[dropdown<?php echo $widget_number; ?>.selectedIndex].value;
                 }
         }
-        dropdown.onchange = onCatChange;
+        dropdown<?php echo $widget_number; ?>.onchange = on<?php echo $dropdown_name; ?>Change;
 /* ]]> */
 </script>