Serge NOEL
63 lines
1.8 KiB
Python
63 lines
1.8 KiB
Python
# For each sensor, create a corresponding
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# internal turnout that tracks the sensor's state.
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#
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# Author: Bob Jacobsen, copyright 2013
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# Part of the JMRI distribution
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#
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import jmri
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import java
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import java.beans
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# Define routine to map status numbers to text
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def stateMap(state) :
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if (state == ACTIVE) :
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return THROWN
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if (state == INACTIVE) :
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return CLOSED
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if (state == INCONSISTENT) :
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return INCONSISTENT
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if (state == UNKNOWN) :
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return UNKNOWN
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return "(invalid)"
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# Define the sensor listener:
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# Makes a state change to corresponding Turnout
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class SensorListener(java.beans.PropertyChangeListener):
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def propertyChange(self, event):
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if (event.propertyName == "KnownState") :
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name = "IT"+event.source.systemName
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# ensure exists
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turnout = turnouts.provideTurnout(name)
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# copy over the user name if present
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if ((event.source.userName != None) and (turnout.getUserName() == None)) :
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turnout.setUserName(event.source.userName)
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# copy over the state
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turnout.setState(stateMap(event.newValue))
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return
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listener = SensorListener()
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# Define a Manager listener. When invoked, a new
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# item has been added, so go through the list of items removing the
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# old listener and adding a new one (works for both already registered
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# and new sensors)
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class ManagerListener(java.beans.PropertyChangeListener):
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def propertyChange(self, event):
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list = event.source.getNamedBeanSet()
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for sensor in list :
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sensor.removePropertyChangeListener(listener)
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sensor.addPropertyChangeListener(listener)
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# Attach the sensor manager listener
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sensors.addPropertyChangeListener(ManagerListener())
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# For the sensors that exist, attach a sensor listener
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list = sensors.getNamedBeanSet()
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for sensor in list:
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sensor.addPropertyChangeListener(listener)
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