add support for one shot Idlers

[zanchey/dispense2.git] / sql-edition / servers / Idler.py

diff --git a/sql-edition/servers/Idler.py b/sql-edition/servers/Idler.py
index 80963a8..a231d96 100755 (executable)
--- a/sql-edition/servers/Idler.py
+++ b/sql-edition/servers/Idler.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 
-import string
+import string, time
 from random import random
 from MessageKeeper import MessageKeeper
 
@@ -15,6 +15,9 @@ class Idler:
 
        def reset(self):
                pass
+       
+       def finished(self):
+               return False
 
 class TrainIdler(Idler):
        def __init__(self, v):
@@ -183,13 +186,40 @@ class GrayIdler(Idler):
 
 
 class StringIdler(Idler):
-       def __init__(self, v, text="Hello Cruel World!"):
+       def __init__(self, v, text="Hello Cruel World!  "):
                self.v = v
                self.mk = MessageKeeper(v)
-               self.text = text
+               self.text = self.clean_text(text)
+               
+               msg = [("",False, None),(self.text, True, 0.8)]
+               self.mk.set_messages(msg)
+
+       def clean_text(self, text):
+               # nothing like a bit of good clean text :)
+               valid = string.digits \
+                       + string.letters \
+                       + string.punctuation \
+                       + " "
+               # uppercase it
+               text = string.upper(text)
+               clean = ""
+               for char in text:
+                       if char in valid:
+                               clean = clean + char
+                       else:
+                               clean = clean + " "
+               return clean
 
        def next(self):
                self.mk.update_display()
 
-       def reset(self):
-               self.mk.set_message(self.text, True, None)
+class ClockIdler(Idler):
+       def __init__(self, v):
+               self.v = v
+               self.last = None
+
+       def next(self):
+               output = time.strftime("%H:%M:%S")
+               if output != self.last:
+                       self.v.display(" %8.8s " % (output))
+                       self.last = output