from org.csstudio.opibuilder.scriptUtil import PVUtil
from org.csstudio.opibuilder.scriptUtil import WidgetUtil
from org.csstudio.opibuilder.scriptUtil import ConsoleUtil
from org.csstudio.utility.pv import PVFactory
import re
import os
import time
import sys
import os.path

def connectPV(pvName):
	pvN = PVFactory.createPV(pvName)
	pvN.start()
	cnt = 0
	status1 =  pvN.isConnected()
	while (( not (status1)) and (cnt<5) ):
		cnt += 1
		time.sleep(0.1)
		status1 =  pvN.isConnected()

	if (cnt<5):
		val = PVUtil.getString(pvN)
	else:
		ConsoleUtil.writeInfo( "epics PV " + pvName + " is NOT connected!")
	pvN.stop()
	return val


Motor= widget.getParent().getMacroValue("P")

PVFileSystem  =Motor + "saveData_fileSystem"
PVSubDir      =Motor + "saveData_subDir"
PVBaseName    =Motor + "saveData_baseName"
PVFullPathName=Motor + "saveData_fullPathName"
PVmdaFileName =Motor + "saveData_fileName"
#--- connect to the saveData PVs
FileSystem=connectPV(PVFileSystem)
# ConsoleUtil.writeInfo( "FileSystem = " + str(FileSystem))
SubDir=connectPV(PVSubDir)
# ConsoleUtil.writeInfo( "SubDir = " + str(SubDir))
BaseName=connectPV(PVBaseName)
# ConsoleUtil.writeInfo( "BaseName = " + str(BaseName))
FullPathName=connectPV(PVFullPathName)
# ConsoleUtil.writeInfo( "FullPathName = " + str(FullPathName))
mdaFileName=connectPV(PVmdaFileName)
# ConsoleUtil.writeInfo( "mdaFileName = " + str(mdaFileName))

dirName_mda_asc=FileSystem + "/" + SubDir + "/"

envCmd = 'source  /gapps/root/Linux_RHEL6-i686-gcc4.4.7/5.34.26/bin/thisroot.csh /gapps/root/Linux_RHEL6-i686-gcc4.4.7/5.34.26 ;'
analysisCmd = ' readMDA --input-directory=' + dirName_mda_asc + ' ' + mdaFileName + ' ; '
xtermCmd = "xterm -geometry 80x10 -e '" + envCmd + " printenv; sleep 1; " + analysisCmd + " ' &> /dev/null &" 
cmd = xtermCmd 
#ConsoleUtil.writeInfo( "Will issue command " + cmd )
status = os.system(cmd)