Serge NOEL
69 lines
2.2 KiB
Python
69 lines
2.2 KiB
Python
# Listen to all sensors, printing a line when they change state.
|
|
#
|
|
# Optionally, this can also speak the information through
|
|
# your computer's speakers if you have the "speak" command
|
|
# installed.
|
|
#
|
|
# For an example of this in action:
|
|
# http://www.youtube.com/user/2sk21#p/a/u/0/0rDqBob3Vpk
|
|
# (visited February 2010)
|
|
#
|
|
# Author: Bob Jacobsen, copyright 2005, 2008
|
|
# Part of the JMRI distribution
|
|
|
|
import jmri
|
|
import java
|
|
import java.beans
|
|
|
|
# Define routine to map status numbers to text
|
|
def stateName(state) :
|
|
if (state == ACTIVE) :
|
|
return "ACTIVE"
|
|
if (state == INACTIVE) :
|
|
return "INACTIVE"
|
|
if (state == INCONSISTENT) :
|
|
return "INCONSISTENT"
|
|
if (state == UNKNOWN) :
|
|
return "UNKNOWN"
|
|
return "(invalid)"
|
|
|
|
|
|
# Define the sensor listener: Print some
|
|
# information on the status change.
|
|
class SensorListener(java.beans.PropertyChangeListener):
|
|
def propertyChange(self, event):
|
|
if (event.propertyName == "KnownState") :
|
|
mesg = "Sensor "+event.source.systemName
|
|
if (event.source.userName != None) :
|
|
mesg += " ("+event.source.userName+")"
|
|
mesg += " from "+stateName(event.oldValue)
|
|
mesg += " to "+stateName(event.newValue)
|
|
print mesg
|
|
# You can also speak the message by un-commenting the next line
|
|
#java.lang.Runtime.getRuntime().exec(["speak", mesg])
|
|
# For more info on the speak command, see http://espeak.sf.net/
|
|
return
|
|
|
|
listener = SensorListener()
|
|
|
|
# Define a Manager listener. When invoked, a new
|
|
# item has been added, so go through the list of items removing the
|
|
# old listener and adding a new one (works for both already registered
|
|
# and new sensors)
|
|
class ManagerListener(java.beans.PropertyChangeListener):
|
|
def propertyChange(self, event):
|
|
list = event.source.getNamedBeanSet()
|
|
for sensor in list :
|
|
sensor.removePropertyChangeListener(listener)
|
|
sensor.addPropertyChangeListener(listener)
|
|
|
|
# Attach the sensor manager listener
|
|
sensors.addPropertyChangeListener(ManagerListener())
|
|
|
|
# For the sensors that exist, attach a sensor listener
|
|
list = sensors.getNamedBeanSet()
|
|
for sensor in list :
|
|
sensor.addPropertyChangeListener(listener)
|
|
|
|
|