--- a/tools/area_editor.py	Thu Sep 05 00:04:25 2013 +0200
+++ b/tools/area_editor.py	Thu Sep 05 00:05:03 2013 +0200
@@ -32,6 +32,7 @@
 from nagslang.options import parse_args
 from nagslang.constants import SCREEN
 from nagslang.level import Level, POLY_COLORS, LINE_COLOR
+from nagslang.yamlish import load_s
 import nagslang.enemies as ne
 import nagslang.game_object as ngo
 import nagslang.puzzle as np
@@ -245,6 +246,7 @@
 
     def __init__(self, classname, cls, data):
         super(EditClassDialog, self).__init__()
+        self.classname = classname
         self.rect = pygame.rect.Rect(0, 0, 800, 550)
         title = Label("Editing %s" % classname)
         title.rect = pygame.rect.Rect(100, 10, 600, 25)
@@ -263,11 +265,15 @@
             if data is not None:
                 if requirement in data:
                     field.set_text('%s' % data[requirement])
-                elif 'args' in data:
+                elif 'args' in data and requirement != 'name':
                     # NB: The ordering assumptions in requires should make
                     # this safe, but it's really, really, really fragile
-                    field.set_text('%s' % data['args'][index])
-                    index += 1
+                    try:
+                        field.set_text('%s' % data['args'][index])
+                        index += 1
+                    except IndexError:
+                        # Assumed to be arguments with the default value
+                        pass
             self.fields[requirement] = field
             hintlabel = Label(hint)
             hintlabel.rect = pygame.rect.Rect(640, y, 100, 25)
@@ -282,7 +288,23 @@
         self.add(row)
 
     def get_data(self):
-        return ''
+        result = {}
+        result['classname'] = self.classname
+        args = []
+        # We arrange to bounce this through yaml'ish to convert
+        # stuff to the expected type
+        for val in self.fields:
+            text = self.fields[val].get_text()
+            if not text:
+                # skip empty fields
+                continue
+            if val == 'name':
+                result['name'] = text
+            else:
+                args.append(' - ' + text)
+        data = "args:\n" + '\n'.join(args)
+        result['args'] = load_s(data)['args']
+        return result
 
 
 class LevelWidget(Widget):