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 555630f..a231d96 100755 (executable)
--- a/sql-edition/servers/Idler.py
+++ b/sql-edition/servers/Idler.py
@@ -1,7 +1,8 @@
 #!/usr/bin/env python
 
-import string
+import string, time
 from random import random
+from MessageKeeper import MessageKeeper
 
 orderings = None
 
@@ -14,6 +15,9 @@ class Idler:
 
        def reset(self):
                pass
+       
+       def finished(self):
+               return False
 
 class TrainIdler(Idler):
        def __init__(self, v):
@@ -178,4 +182,44 @@ class GrayIdler(Idler):
                self.i = 0
                self.grayCode = 0
                if self.reorder:
-                       self.reorder = int(random()*40320)
+                       self.reorder = int(random()*40319)+1
+
+
+class StringIdler(Idler):
+       def __init__(self, v, text="Hello Cruel World!  "):
+               self.v = v
+               self.mk = MessageKeeper(v)
+               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()
+
+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