#! /usr/env/python
#--------------------------------------------------------------------------------

"""
Application: Dialog_Plt for DAQ_96_Gui

Local Command File Dialog for the 
Graphical User Interface to the DAQ_96 Control Program

"""

#--------------------------------------------------------------------------------
#--------------------------------------------------------------------------------

import os
import sys
import string
import time

from Tkinter import *
import Pmw

from MultiShell                 import  updateComboBox
 
from Print_Utils                import  printLine

from showException              import  showException 

from Site_Dependent             import  RunDataDir
from Site_Dependent             import  CommandFileDir 
from Site_Dependent             import  DAQ96_Plot_CmdFile

#--------------------------------------------------------------------------------

from threading                  import  Semaphore

#--------------------------------------------------------------------------------
#--------------------------------------------------------------------------------

class Dialog_Plt : 

    def __init__ ( self, MShell, FrameNum ) :

        self.MShell     = MShell
        self.PltFrame   = FrameNum

        self.PltStopRequest = Semaphore ()
                   
#        printLine ( "Dialog", 'Frame #%d is "%s"'  %  ( FrameNum, MShell.frameName[FrameNum] ) )

#--------------------------------------------------------------------------------

    def createInterface(self):
    
        MShell = self.MShell    

        MShell.addFieldLabel  ( nFrame       = self.PltFrame,
                                labelName    = 'DAQ96: Plot Raw Data',
                                column       = 1,
                                columnspan   = 3,
                                height       = 3,
                                width        = 35,
                                row          = MShell.nextFieldRow() )
                                                


        self.PltEvtFile = \
        MShell.addFieldCombo  ( nFrame       = self.PltFrame,
                                labelName    ="Event File",
                                helpMessage  ="Raw Data File",
                                statusMessage="Raw Data File",
                                columnspan   = 3,
                                width        = 35 )

        MShell.addFieldButton ( nFrame       = self.PltFrame,
                                labelName    ="Plot Raw Data",
                                helpMessage  ="Plot Raw Data",
                                statusMessage="Plot Raw Data",
                                width        = 15,
                                column       = 2,
                                row          = MShell.nextFieldRow(),
                                command      = self.Plt_Plot_File ) 
                                
        MShell.addFieldButton ( nFrame       = self.PltFrame,
                                labelName    ="Locate File...",
                                helpMessage  ="Find Event Data File",
                                statusMessage="Find Event Data File",
                                width        = 15,
                                column       = 3,
                                row          = MShell.currentFieldRow(),
                                command      = self.Plt_Loc_File )


#--------------------------------------------------------------------------------

    def Plt_Plot_File    ( self, 
                           EvtFile = '' ):

        if ( EvtFile == '' ) : 
            EvtFile = self.PltEvtFile.get()

        #Separate path and directory 
        EvtFile_split = os.path.split ( EvtFile )
        EvtFile_name  = EvtFile_split[1]
        if ( EvtFile_split[0] != '' ) :
            EvtFile_path = EvtFile_split[0] + '/'  
        else :
            EvtFile_path = os.getcwd() + '/'
            EvtFile = EvtFile_path + EvtFile_name 


        # check for file existence 

        # first, try adding the standard location
        if  ( os.path.exists ( RunDataDir + EvtFile_path ) \
        and ( EvtFile_name   in  os.listdir( RunDataDir + EvtFile_path ) ) ) :

            EvtFile_path = RunDataDir + EvtFile_path

        # second, try to use the path as specified, 
        # in case this event is elsewhere or was entered literally
        elif ( os.path.exists ( EvtFile_path ) \
         and ( EvtFile_name   in  os.listdir( EvtFile_path ) ) ) :

            # nothing to do here
            EvtFile_path = EvtFile_path
            
        else :
        
            printLine ( "PltFile", "Could not locate Event File <%s>"  % EvtFile ) 
            return
        

        # add file name to ComboBox list
        updateComboBox ( self.PltEvtFile, EvtFile )




        # the actual plotting is done in a command file
        # we need to pass the name of the file

        ArgDict = {}
        ArgDict['EvtFile'] = EvtFile_path + EvtFile_name 

        printLine ( "PltFile", "Plot Raw Data from Event File <%s>"  % ( EvtFile_path + EvtFile_name ) ) 

        self.MShell.Dialog_Cmd.Cmd_Exec_ComFile ( ComFile = CommandFileDir + DAQ96_Plot_CmdFile,
                                                  ArgDict = ArgDict )
        


#--------------------------------------------------------------------------------

    def Plt_Loc_File    ( self ) :

        # set path within output directory to make it easier to locate files
        print os.getcwd() 
        if ( os.getcwd()[:len(RunDataDir)] != RunDataDir ) :
            os.chdir ( RunDataDir ) 
    
        EvtFile = self.MShell.Find_File( )

        # Strip the beginning of the path, if it is the standard location
        if ( EvtFile[:len(RunDataDir)] == RunDataDir ) : 
            EvtFile = EvtFile[len(RunDataDir):] 
        
        updateComboBox ( self.PltEvtFile, EvtFile )