From 1263d238bba635f0a5900f2f69933d3bf8b27c51 Mon Sep 17 00:00:00 2001
From: Walter Bender <walter@sugarlabs.org>
Date: Wed, 20 Oct 2010 00:53:23 +0000
Subject: show box values on box label

---
diff --git a/TurtleArt/tablock.py b/TurtleArt/tablock.py
index 865e8e9..5f61b5e 100644
--- a/TurtleArt/tablock.py
+++ b/TurtleArt/tablock.py
@@ -119,6 +119,13 @@ class Blocks:
                 return block
         return None
 
+    def get_all_blocks_of_same_type_and_name(self, type, name):
+        block_list = []
+        for block in self.list:
+            if block.type == type and block.name == name:
+                block_list.append(block)
+        return block_list
+
 
 class Block:
     """ A class for the individual blocks """
diff --git a/TurtleArt/talogo.py b/TurtleArt/talogo.py
index 0d467ac..cbd839b 100644
--- a/TurtleArt/talogo.py
+++ b/TurtleArt/talogo.py
@@ -34,7 +34,7 @@ except:
     pass
 
 from taconstants import PALETTES, PALETTE_NAMES, TAB_LAYER, BLACK, WHITE, \
-    DEFAULT_SCALE, ICON_SIZE
+    DEFAULT_SCALE, ICON_SIZE, BLOCK_NAMES
 from tagplay import play_audio, play_movie_from_file, stop_media
 from tajail import myfunc, myfunc_import
 from tautils import get_pixbuf_from_journal, movie_media_type, convert, \
@@ -270,6 +270,24 @@ def millis():
     return int(clock() * 1000)
 
 
+def update_label_value(tw, name, value=None):
+    """ Update the label of value blocks to reflect current value """
+    if tw.hide or not tw.interactive_mode:
+        return
+    list = tw.block_list.get_all_blocks_of_same_type_and_name(
+        'block', name)
+    if value is None:
+        for block in list:
+            block.spr.set_label(BLOCK_NAMES[name][0])
+    else:
+        if type(value) == float:
+            valstring = str(round_int(value)).replace('.', tw.decimal_point)
+        else:
+            valstring = str(value)
+        for block in list:
+            block.spr.set_label(BLOCK_NAMES[name][0] + ' = ' + valstring)
+
+
 class LogoCode:
     """ A class for parsing Logo code """
 
@@ -822,6 +840,8 @@ class LogoCode:
         self.tw.set_polar(False)
         self.tw.set_cartesian(False)
         self.hidden_turtle = None
+        for name in ['box1', 'box2']:
+            update_label_value(self.tw, name)
 
     def prim_start(self):
         """ Start block: recenter """
@@ -1057,13 +1077,15 @@ class LogoCode:
 
     def prim_setbox(self, name, x, val):
         """ Define value of named box """
-        if x is None:
-            self.boxes[name] = val
-        else:
+        if x is not None:
             if type(convert(x, float, False)) == float:
                 if int(float(x)) == x:
                     x = int(x)
             self.boxes[name + str(x)] = val
+            return
+
+        self.boxes[name] = val
+        update_label_value(self.tw, name, val)
 
     def prim_push(self, val):
         """ Push value onto FILO """
--
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