From f3f81ec511d524750bc2875b45d474e05a616d3e Mon Sep 17 00:00:00 2001
From: Walter Bender <walter.bender@gmail.com>
Date: Sat, 04 Feb 2012 17:35:55 +0000
Subject: using visibility mechanism for hidden blocks

---
(limited to 'TurtleArt/tapalette.py')

diff --git a/TurtleArt/tapalette.py b/TurtleArt/tapalette.py
index 61fcb14..2b70670 100644
--- a/TurtleArt/tapalette.py
+++ b/TurtleArt/tapalette.py
@@ -31,6 +31,7 @@ logo_functions = {}
 special_names = {}  # Names for blocks without names for popup help
 content_blocks = ['number', 'string', 'description', 'audio', 'video',
                   'journal']
+hidden_proto_blocks = [] # proto blocks that are (at least initially) hidden
 value_blocks = []  # blocks whose labels are updated get added here
 special_block_colors = {}
 block_styles = {'basic-style': [],
@@ -155,8 +156,9 @@ class Palette():
             block.set_colors(colors)
         block.set_value_block(value_block)
         block.set_content_block(content_block)
-        if not hidden:
-            block.set_palette(self._name)
+        block.set_palette(self._name)
+        if hidden:
+            block.set_hidden()
         block.add_block()
 
 
@@ -179,10 +181,12 @@ def palette_name_to_index(palette_name):
     else:
         return None
 
+
 def define_logo_function(key, value):
     ''' Add a logo function to the table. '''
     logo_functions[key] = value    
 
+
 class Block():
     """ a class for defining new block primitives """
 
@@ -253,6 +257,9 @@ class Block():
         if self._colors is not None:
             special_block_colors[self._name] = self._colors
 
+    def set_hidden(self):
+        hidden_proto_blocks.append(self._name)
+
     def set_colors(self, colors=None):
         self._colors = colors
 
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