From 72eb00831ec085c8ce62b164c5d857e6d39eed4a Mon Sep 17 00:00:00 2001
From: Walter Bender <walter.bender@gmail.com>
Date: Wed, 19 Oct 2011 15:56:56 +0000
Subject: save block list as a tag in the Journal

---
diff --git a/TurtleArt/tawindow.py b/TurtleArt/tawindow.py
index 4f76df6..11051a0 100644
--- a/TurtleArt/tawindow.py
+++ b/TurtleArt/tawindow.py
@@ -127,6 +127,7 @@ class TurtleArtWindow():
         self.path = path
         self.load_save_folder = os.path.join(path, 'samples')
         self.py_load_save_folder = os.path.join(path, 'pysamples')
+        self.used_block_list = []  # Which blocks has the user used?
         self.save_folder = None
         self.save_file_name = None
         self.width = gtk.gdk.screen_width()
@@ -1308,6 +1309,8 @@ class TurtleArtWindow():
                     newblk.connections[i + 1] = argblk
         self.drag_group = find_group(newblk)
         self.block_operation = 'new'
+        if newblk.name not in self.used_block_list:
+            self.used_block_list.append(newblk.name)
 
     def _new_macro(self, name, x, y):
         """ Create a "macro" (predefined stack of blocks). """
@@ -2759,6 +2762,8 @@ class TurtleArtWindow():
             blk.spr.set_layer(BLOCK_LAYER)
         if check_dock:
             blk.connections = 'check'
+        if blk.name not in self.used_block_list:
+            self.used_block_list.append(blk.name)
         return blk
 
     def load_start(self, ta_file=None):
diff --git a/TurtleArtActivity.py b/TurtleArtActivity.py
index 861122f..9a94279 100644
--- a/TurtleArtActivity.py
+++ b/TurtleArtActivity.py
@@ -746,6 +746,7 @@ class TurtleArtActivity(activity.Activity):
         ''' Write the project to the Journal. '''
         _logger.debug('Write file: %s' % file_path)
         self.metadata['mime_type'] = 'application/x-turtle-art'
+        self.metadata['tags'] = str(self.tw.used_block_list)
         data_to_file(self.tw.assemble_data_to_save(), file_path)
 
     def read_file(self, file_path, run_it=True):
--
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