get bookmark widget working

addons/BookmarkWidget/BookmarkWidget.inc

@@ -1,13 +1,40 @@
 <?php
 
 class ComicPressAddonBookmarkWidget extends ComicPressAddon {
-  function init() {
+  function init($comicpress) {
     wp_register_sidebar_widget('comic-bookmark', __('Comic Bookmark', 'comicpress'), array(&$this, 'render_widget'), array('description' => __('Let your readers save their place via a cookie.', 'comicpress')));
+
+    $this->comicpress = $comicpress;
+
+    add_action('wp_head', array(&$this, 'wp_head'));
+    $this->comicpress->additional_javascripts[] = '/js/bookmark.js';
+  }
+
+  function wp_head() {
+    $last_comic = $this->comicpress->get_last_comic(); ?>
+      <script type="text/javascript">
+        var imgTag      = '<?php bloginfo('template_directory'); ?>/images/1.gif';  //add tag image.
+        var imgClearOff = '<?php bloginfo('template_directory'); ?>/images/3a.gif'; //no comic tagged, clear not possible
+        var imgGotoOff  = '<?php bloginfo('template_directory'); ?>/images/2a.gif'; //no comic tagged, goto not possible
+        var imgClearOn  = '<?php bloginfo('template_directory'); ?>/images/3.gif';  //clear a tag, shows when comic previously tagged
+        var imgGotoOn   = '<?php bloginfo('template_directory'); ?>/images/2.gif';  //shows when a comic is tagged  
+        var imgInfo     = '<?php bloginfo('template_directory'); ?>/images/4.gif';  //img that displays the help
+        var comicDir    = '/';                                               //alter this if you run multiple comics in different directories on your site.
+
+        var comicPermalink = '<?php echo get_permalink($last_comic->ID) ?>';
+        
+        var isHome = <?php echo is_home() ? "true" : "false" ?>;
+        var isSingle = <?php echo (is_single() && $this->comicpress->in_comic_category()) ? "true" : "false" ?>;
+      </script>
+    <?php
   }
 
   function render_widget() {
-    $url_root = bloginfo('template_directory') . '/' . substr(dirname(__FILE__), strlen(realpath(get_stylesheet_directory())));
+    ?>
-    var_dump($url_root);
+    <div class="comic-bookmark">
+      <script type="text/javascript">writeBookmarkWidget()</script>
+    </div>
+    <?php
   }
 }
 

addons/BookmarkWidget/temp.js

@@ -11,8 +11,8 @@
         var imgClearOff = '<?php bloginfo('template_directory'); ?>/images/3a.gif'; //no comic tagged, clear not possible
         var imgGotoOff  = '<?php bloginfo('template_directory'); ?>/images/2a.gif'; //no comic tagged, goto not possible
         var imgClearOn  = '<?php bloginfo('template_directory'); ?>/images/3.gif';  //clear a tag, shows when comic previously tagged
-        var imgGotoOn   = '<?php bloginfo('template_directory'); ?>/2.gif';  //shows when a comic is tagged  
+        var imgGotoOn   = '<?php bloginfo('template_directory'); ?>/images/2.gif';  //shows when a comic is tagged  
-        var imgInfo     = '<?php bloginfo('template_directory'); ?>/4.gif';  //img that displays the help
+        var imgInfo     = '<?php bloginfo('template_directory'); ?>/images/4.gif';  //img that displays the help
         var comicDir    = '/';                                               //alter this if you run multiple comics in different directories on your site.
 
         /* Now write out the applicable links */

classes/ComicPress.inc

@@ -15,6 +15,8 @@ class ComicPress {
   );
   
   var $additional_stylesheets = array();
+  var $additional_javascripts = array();
+  
   var $comic_post_attachments_cache = array();
   var $category_tree = array();
 
@@ -54,6 +56,9 @@ class ComicPress {
     foreach ($this->additional_stylesheets as $uri) { ?>
       <link rel="stylesheet" href="<?php echo get_template_directory_uri() . $uri ?>" type="text/css" />
     <?php }
+    foreach ($this->additional_javascripts as $uri) { ?>
+      <script type="text/javascript" src="<?php echo get_template_directory_uri() . $uri ?>"></script>
+    <?php }
   }
 
   /**
@@ -161,8 +166,12 @@ class ComicPress {
   /**
    * Return true if the current post is in the comics category or a child category.
    */
-  function in_comic_category($post_id) {
+  function in_comic_category($post_id = null) {
-    $categories = wp_get_post_categories($post_id);
+    global $post;
+    
+    $post_id_to_use = !is_null($post_id) ? $post_id : $post->ID;
+    
+    $categories = wp_get_post_categories($post_id_to_use);
     if (is_array($categories)) {
       foreach ($this->category_tree as $node) {
         if (in_array(end(explode("/", $node)), $categories)) {