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JIMRI/jython/ThrottleFunctionForLight.py
T
2026-06-17 14:00:51 +02:00

66 lines
2.9 KiB
Python

# Map a Light's state to a specified Function on a specified loco address
#
# From jython/ThrottleFunctionForSensor.py by Steve Todd, copyright 2014
# Author: Bob Jacobsen, copyright 2016
# Part of the JMRI distribution
#
import jmri
import java
import java.beans
import jmri.Light.ON as ON
import jmri.Light.OFF as OFF
from org.slf4j import LoggerFactory
# Define one listener.
class ThrottleFunctionForLightListener(java.beans.PropertyChangeListener):
throttle = None #make a spot to remember the throttle object that was passed in
fnKey = None
def setup(self, light, throttle, fnKey) :
if (light == None) : return
self.throttle = throttle #store for use later
self.fnKey = fnKey #store for use later
lights.provideLight(light).addPropertyChangeListener(self)
return
def propertyChange(self, event):
funcName = "set" + self.fnKey #dynamically determine name for setFxx function to call
func = getattr(self.throttle, funcName)
if (event.newValue == jmri.Light.ON) :
logger.debug("set "+self.fnKey+" ON for " + str(self.throttle.getLocoAddress()))
func(True) #turn on function when light goes thrown
else :
logger.debug("set "+self.fnKey+" OFF for " + str(self.throttle.getLocoAddress()))
func(False) #turn off function when light goes closed (or anything but thrown)
return
class ThrottleLightAutomaton(jmri.jmrit.automat.AbstractAutomaton) :
#perform actions that need to be in a thread, such as loco acquisition
def init(self):
# logger.debug("Inside ThrottleLightAutomaton.init("+self.lightName+","+str(self.throttleAddress)+","+self.fnKeyName+")")
self.throttle = self.getThrottle(self.throttleAddress, True)
# actually attach the light to the loco
ThrottleFunctionForLightListener().setup(self.lightName, self.throttle, self.fnKeyName)
return
#pass and store needed values for this instance, then start the thread
def setup(self, lightName, throttleAddress, fnKeyName):
self.lightName = lightName
self.throttleAddress = throttleAddress
self.fnKeyName = fnKeyName
self.start()
self.waitMsec(100) #give it a chance to happen
####################################################################
logger = LoggerFactory.getLogger("jmri.jmrit.jython.exec.ThrottleFunctionForLight")
# Connect each light to its loco and function, repeat as needed
# (These are samples, change as needed for your layout; use whatever pattern helps you remember)
ThrottleLightAutomaton().setup("IL401", 40, "F1") # Light 401 controls F1 on address 40
ThrottleLightAutomaton().setup("IL402", 40, "F2") # Light 402 controls F2 on address 40
ThrottleLightAutomaton().setup("IL403", 40, "F3")
ThrottleLightAutomaton().setup("IL404", 40, "F4")
ThrottleLightAutomaton().setup("IL405", 40, "F5")