[gcompris] gcomprismusic, now playcomposition is not recursive

[Bruno Coudoin <bcoudoin src gnome org>]

commit 5aa591069ede6a958ac5a0820eac0537eadd3a55
Author: Bruno Coudoin <bruno coudoin free fr>
Date:   Tue Sep 18 01:14:01 2012 +0200

    gcomprismusic, now playcomposition is not recursive
    
    It was possible for the children to call several times playcomposition()
    which was resulting in having the music play several times creating a real
    mess.

 src/piano_composition-activity/gcomprismusic.py |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)
---
diff --git a/src/piano_composition-activity/gcomprismusic.py b/src/piano_composition-activity/gcomprismusic.py
index bdfc64b..38acf98 100644
--- a/src/piano_composition-activity/gcomprismusic.py
+++ b/src/piano_composition-activity/gcomprismusic.py
@@ -466,9 +466,9 @@ class Staff():
         '''
 
         if noteIndexToPlay >= len(self.noteList):
+            self.notReadyToPlay = False
             if hasattr(self, 'verticalPlayLine'):
                  self.verticalPlayLine.remove()
-                 self.notReadyToPlay = False
             return
 
         note = self.noteList[noteIndexToPlay]
@@ -501,8 +501,9 @@ class Staff():
         >>> self.newStaff.playComposition()
         '''
 
-        #if not self.noteList or self.notReadyToPlay:
-        #    return
+        if not self.noteList or self.notReadyToPlay:
+            return
+
         self.notReadyToPlay = True
 
         self.timers = []