[gcompris] lang-activity, normalize the number of triplets to 12.

[Bruno Coudoin <bcoudoin src gnome org>]

commit 5e1f20a484cb961f35efe3e33b12ce5f553fef2f
Author: Bruno Coudoin <bcoudoin rcsmobility com>
Date:   Tue May 7 01:02:08 2013 +0200

    lang-activity, normalize the number of triplets to 12.

 src/lang-activity/langLib.py |   56 +++++++++++++++++++++++++++++++++---------
 1 files changed, 44 insertions(+), 12 deletions(-)
---
diff --git a/src/lang-activity/langLib.py b/src/lang-activity/langLib.py
index c8ef019..465dab5 100644
--- a/src/lang-activity/langLib.py
+++ b/src/lang-activity/langLib.py
@@ -65,30 +65,60 @@ class Triplet:
             + " / " + str(self.type)
 
 class Lesson:
-    def __init__(self, elem):
+
+    def __init__(self, lesson):
         self.name = None
         self.description = None
         self.triplets = []
+        if lesson:
+            self.name = lesson.name
+            self.description = lesson.description
+
+    def getTriplets(self):
+        return self.triplets
+
+    def dump(self):
+        print "  Lesson "+ self.name + " / " + str(self.description)
+        for triplet in self.triplets:
+            triplet.dump()
+
+
+class LessonCreator:
+
+    MAX_TRIPLETS = 12
+
+    def __init__(self, elem):
+        self.lessons = []
         self.parse(elem)
 
     def parse(self, elem):
+        lesson = Lesson(None)
         for e in elem.childNodes:
             if isNode(e, "name"):
-                self.name = e.firstChild.nodeValue
+                lesson.name = e.firstChild.nodeValue
             elif isNode(e, "description"):
-                self.description = e.firstChild.nodeValue if e.firstChild else None
+                lesson.description = e.firstChild.nodeValue if e.firstChild else None
             elif isNode(e, "Triplet"):
                 triplet = Triplet(e)
                 if triplet.isValid():
-                    self.triplets.append( triplet )
+                    if len(lesson.triplets) < self.MAX_TRIPLETS:
+                        lesson.triplets.append( triplet )
+                    else:
+                        self.lessons.append(lesson)
+                        lesson = Lesson(lesson)
+
+                        
+        if len(lesson.triplets) < self.MAX_TRIPLETS:
+            # There is no enough triplet for this level, add the first
+            # of the first lesson
+            if len(self.lessons):
+                for triplet in self.lessons[0].getTriplets()[0:self.MAX_TRIPLETS-len(lesson.triplets)]:
+                    lesson.triplets.append(triplet)
+            self.lessons.append(lesson)
 
-    def getTriplets(self):
-        return self.triplets
 
-    def dump(self):
-        print "  Lesson "+ self.name + " / " + str(self.description)
-        for triplet in self.triplets:
-            triplet.dump()
+    def getLessons(self):
+        return self.lessons
 
 
 class Chapter:
@@ -105,7 +135,9 @@ class Chapter:
             elif isNode(e, "description"):
                 self.description = e.firstChild.nodeValue if e.firstChild else None
             elif isNode(e, "Lesson"):
-                self.lessons.append( Lesson(e) )
+                lessonCreator = LessonCreator(e)
+                for lesson in lessonCreator.getLessons():
+                    self.lessons.append( lesson )
 
     def getLessons(self):
         return self.lessons
@@ -130,7 +162,7 @@ class Chapters:
 
     def dump(self):
         print "Dump"
-        for chapter in self.chapters:
+        for k, chapter in self.chapters.iteritems():
             chapter.dump()