#!/usr/bin/python -B
# -*- coding: utf-8 -*-
#--------------------------------------------------------------------------------#
# This file is part of PALM.
#
# PALM is free software: you can redistribute it and/or modify it under the terms
# of the GNU General Public License as published by the Free Software Foundation,
# either version 3 of the License, or (at your option) any later version.
#
# PALM is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# PALM. If not, see <http://www.gnu.org/licenses/>.
#
# Copyright 1997-2017  Leibniz Universitaet Hannover
#--------------------------------------------------------------------------------#
#
# Current revisions:
# -----------------
# 
# 
# Former revisions:
# -----------------
# $Id: mrungui.py 2316 2017-07-20 07:53:42Z knoop $
# Initial revision in python
# 
# 
#
# Description:
# ------------
# Graphical user interface for the mrun script.
# @author Felix Gaschler
# @author Björn Maronga (maronga@muk.uni-hannover.de)
#
# Instructions:
# -------------
#
#------------------------------------------------------------------------------!

import sys
import subprocess
from PyQt4 import QtCore, QtGui, uic
from PyQt4.QtCore import QProcess
from time import strftime
import os


# Determine PALM directories
try: 
   devnull = open(os.devnull, 'w')
   out = subprocess.check_output("echo $PALM_BIN", shell=True, stderr=subprocess.STDOUT)
   palm_bin = out.rstrip()
   palm_dir = out.split("palm")[0] + "palm/" + out.split("palm")[1].split("/")[1]
   out = None
except:   
   print "Error. $PALM_BIN is not set."
   raise SystemExit


mrunline = ""
name_of_file = os.path.basename(__file__)

mrungui_path = os.path.realpath(__file__)
version_path = mrungui_path[:len(mrungui_path)-14-len(name_of_file)-1]

Ui_MainWindow = uic.loadUiType("%s/mrungui_files/mainwindow.ui" % (palm_bin))[0]
Ui_helpDialog = uic.loadUiType("%s/mrungui_files/help.ui" % (palm_bin))[0]
Ui_aboutDialog = uic.loadUiType("%s/mrungui_files/about.ui" % (palm_bin))[0]

class HelpDialog(QtGui.QDialog,Ui_helpDialog):
    def __init__(self, parent=None):
        super(HelpDialog,self).__init__()
        self.setupUi(self)
        
class AboutDialog(QtGui.QDialog,Ui_aboutDialog):
    def __init__(self, parent=None):
        super(AboutDialog,self).__init__()
        self.setupUi(self)        

class Mainwindow(QtGui.QMainWindow, Ui_MainWindow):
    def __init__(self, parent=None):
        super(Mainwindow, self).__init__()
        
        self.setupUi(self)
        self.recent_jobs(10)
        commandline = self.groupBox.findChild(QtGui.QLineEdit,"commandline")
        commandline.setText("")
        
        self.tabWidget.setCurrentIndex(0)  
        
        filename = "%s/.mrun.gui.default" % (version_path)  
        if os.path.exists(filename):
            pass
        else:
            return
        
        file = open(filename, "r")
        if ( file is not None ):
            # File opened successfully
            mrunline = file.readline()
            #if neue zeile zeichen
            mrunline = mrunline[:len(mrunline)-1]
            file.close() 

        # In case a mrunline was found, load it to mainwindow
        if ( mrunline != ""):
            mrunline = mrunline[17:] 
            commandline.setText(mrunline)
            self.setup_gui(mrunline)
                      
        
    # starts xterm with mrun commandline
    #######################################
    def startmrun(self):
        mrunline = str(self.groupBox.findChild(QtGui.QLineEdit,"commandline").text())
        userline = str(self.group_advanced.findChild(QtGui.QLineEdit,"line_user").text())
        
        # Check for empty line
        mrunline_save = mrunline;
        if (userline != ""):
            mrunline = "%s %s" % (mrunline,userline)
        history_line = mrunline       
        
        # Disable the main window
        self.tabWidget.setEnabled(False)
        self.groupBox.findChild(QtGui.QPushButton,"button_start").setEnabled(False)
        self.groupBox.findChild(QtGui.QPushButton,"button_start").setText("wait...")      
        self.groupBox.findChild(QtGui.QLineEdit,"commandline").setText("Executing mrun in xterm...")        
        
        # Wait until all commands have been executed (ugly) ?
        #for i in range(0,21):
        #    qApp->processEvents()       
        
        # Start xterm as QProcess
        mrun = QProcess()
        mrun.setProcessChannelMode(QProcess.MergedChannels) # mergedChannels
        mrun.setWorkingDirectory(version_path)
    
        geomet = self.frameGeometry()
        
        posx = geomet.x()+geomet.width()
        posy = geomet.y()
      
        s = " -title \"Executing mrun...\" -fa \"Monospace\" -fs 11 -geometry \"80x38+%d+%d\" -e \"" % (posx,posy)
        mrunline = "%s%s;echo -n '--> Press enter to continue...';read yesno\"</dev/stdin" % (s, mrunline.replace("\"","\'"))
        
        mString = "xterm %s" % (mrunline)
        mrun.start(mString);
    
        if( mrun.waitForStarted() is False ):
            return
        
        # Wait until mrun has finished or wait for 200 minutes
        mrun.waitForFinished(3600000);        
        
        # Jobs has been submitted or aborted. Continuing...
        # Save the mrun command to history file
        filename = "%s/.mrun.history" % (version_path)
        tmstamp = strftime("%Y/%m/%d %H:%M")
    
        file = open(filename,"a")
        s = "%s %s\n" % (tmstamp,history_line)
        file.write(s)
        file.close()              
        
        # Enable main window again
        self.tabWidget.setEnabled(True)
        self.groupBox.findChild(QtGui.QPushButton,"button_start").setEnabled(True)
        self.groupBox.findChild(QtGui.QPushButton,"button_start").setText("Start mrun") 
        self.groupBox.findChild(QtGui.QLineEdit,"commandline").setText(mrunline_save);
        
        # Reload recent jobs
        self.recent_jobs(10)
        
        
    # loads recent jobs 
    ######################################
    def recent_jobs(self, number):
        fileDir = "%s/.mrun.history" % (version_path)
        if os.path.exists(fileDir):
            pass
        else:
            return
        
        file = open(fileDir,"r")
        history = file.readlines()
        tmphistory = list()
        file.close();
        j = 0;

        list_jobname = self.group_job.findChild(QtGui.QListWidget,"list_jobname")
        list_jobname.clear()

        # Read history entries and append to recent job list
        i=len(history)-1
        count = 0
        while i>=0 and count<10:
            timestamp = history[i][:16]
            listitem = history[i][17:len(history[i])-1]
            listitem = filter(None,listitem.split(" -d"))[1]
            listitem = filter(None,listitem.split(" -"))[0]
            listitem = listitem.replace(" ","");
            matchitems = list_jobname.findItems(listitem, QtCore.Qt.MatchExactly)

            if ( len(matchitems) == 0 ):
                list_jobname.addItem(listitem);
                s = "%s (%s)" % (listitem,timestamp)
                tmphistory.append(s);
                count = count +1
                j = j+1
                
            if ( j == number ):
                break
            i = i-1
            
        # Send to list
        list_jobname.clear();
        
        i=0
        while i<len(tmphistory):
            list_jobname.addItem(tmphistory[i]);
            i = i+1
            

    # Enables coupled settings
    ###############################
    def enable_coupled(self):
        coupledState = self.group_job.findChild(QtGui.QComboBox, "drop_job").currentText()
        group = self.group_execution.findChild(QtGui.QGroupBox, "group_coupled")
        
        if (coupledState == "Restart run (coupled atmosphere ocean)" or coupledState == "Initial run (coupled atmosphere ocean)"):
            group.setEnabled(True)
        else: 
            group.setEnabled(False)
            
            
    # select a job via "select"-button
    ################################
    def choosejob(self):
        jobDir = "%s/JOBS" % (version_path)        

        # Pick a job from dialog
        filename = QtGui.QFileDialog.getExistingDirectory(self, "Open a folder", jobDir, QtGui.QFileDialog.ShowDirsOnly)
        
        # If a file was selected, load it into mainwindow
        if ( filename != ""):
	    jobname = os.path.basename(unicode(filename))
            self.group_job.findChild(QtGui.QLineEdit,"line_jobname").setText(jobname)
            self.group_job.findChild(QtGui.QListWidget,"list_jobname").clearSelection()

            # Change mrunline accordingly
            self.change_commandline("d","")
            self.change_commandline("r","")
            return
        else:
            return
    
        
    # select a job via doubleclick from list
    #################################
    def choosejob_list(self):
        #  Get selected item from list
        list_jobname = self.group_job.findChild(QtGui.QListWidget,"list_jobname")
        filename = str(list_jobname.currentItem().text())
        itemint = list_jobname.currentRow()
    
        # Reload list
        self.setupUi(self)
        self.recent_jobs(10)
    
        # Set selected item to jobname
        list_jobname.item(itemint).setSelected(True);
    
        timestamp = filename[len(filename)-17:][:16]
        jobname = filename[:len(filename) - 19];
    
        fileDir = "%s/.mrun.history" % (version_path)
        file = open(fileDir,"r")
        history = file.readlines()
        tmphistory = list()
        file.close();        
    
        i = len(history)
        while i>=1:
            listitem = history[i-1][17:len(history[i-1])-1]
            listitem = filter(None,listitem.split(" -d"))[1]
            listitem = filter(None,listitem.split(" -"))[0]
            listitem = listitem.replace(" ","");                

            # Select command line with correct timestamp and jobname
            if (history[i-1][:16] == timestamp and listitem == jobname):
                mrunline = history[i-1]
                mrunline = mrunline[17:]
                mrunline = mrunline[:len(mrunline)-1]
                self.groupBox.findChild(QtGui.QLineEdit,"commandline").setText(mrunline);
                self.setup_gui(mrunline);
                return
            i = i-1
                
    # Change run identifer (initial, restart, coupled...)
    ######################################################
    def change_rc_list(self):
        drop_job = self.group_job.findChild(QtGui.QComboBox,"drop_job").currentText()    
        self.change_commandline("r","")
    
        # Enable PE distribution for atmosphere/ocean
        if ( drop_job == "Restart run (coupled atmosphere ocean)" or drop_job == "Initial run (coupled atmosphere ocean)"):
            drop_atmos = self.group_execution.findChild(QtGui.QLineEdit,"line_PE_atmos").text() 
            drop_ocean = self.group_execution.findChild(QtGui.QLineEdit,"line_PE_ocean").text() 
            s = "%s %s" % (drop_atmos,drop_ocean)
            self.change_commandline("Y",s)
    
    
        if ( drop_job == "Restart run" or drop_job == "Restart run (coupled atmosphere ocean)"):
           self.change_commandline("d","")

        # Check of ocean runs
        else:
            self.delete_commandline("Y")
            if (drop_job == "Precursor run (ocean)"):
                self.activate_flag("y")
            else:
                self.deactivate_flag("y")
            
    # changes commandline depending on parameters
    ##########################################################      
    def change_commandline(self, id_str, fwt_str):
        fwt_str = str(fwt_str) 
        initialize = False
        mrunline = str(self.groupBox.findChild(QtGui.QLineEdit,"commandline").text())    
        s = " -%s " % (id_str)
        splitline = filter(None,mrunline.split(s))

        if ( len(splitline) == 0 ):
                splitline.append("mrun")
                splitline.append(" ")
                initialize = True

        elif ( len(splitline) == 1 ):
            splitline.append(" ")
        
        param = splitline[1].split("-")
    
        # Change in parameter "d" (jobname)
        if (id_str == "d"):
            filename = str(self.group_job.findChild(QtGui.QLineEdit,"line_jobname").text())
            s = filename.split("JOBS/") 
            param[0] = s[len(s)-1]
     
            if ( initialize == True ):#and self.group_runcontrol.isEnabled() == True ):
                self.group_runcontrol.setEnabled(True)
                self.group_execution.setEnabled(True)
                self.group_job.findChild(QtGui.QComboBox,"drop_job").setEnabled(True)
                self.group_advanced.setEnabled(True)
                self.groupBox.findChild(QtGui.QPushButton,"button_start").setEnabled(True) 
                self.menuBar.findChild(QtGui.QMenu,"menuStart").actions()[3].setEnabled(True)
            
            elif ( param[0] == ""):            
                self.group_runcontrol.setEnabled(False)
                self.group_execution.setEnabled(False)
                self.group_job.findChild(QtGui.QComboBox,"drop_job").setEnabled(False)
                self.groupBox.findChild(QtGui.QPushButton,"button_start").setEnabled(False) 
                self.menuBar.findChild(QtGui.QMenu,"menuStart").actions()[3].setEnabled(False)
                self.group_advanced.setEnabled(False)
                self.delete_commandline("d")
                self.change_commandline("r","remove")
                self.group_job.findChild(QtGui.QLabel,"label_usercode").setText("")
                return 1 
            
            else:
                # Check if user code is available
                usercode = "%s/USER_CODE/%s" % (version_path,param[0])
                
                if (os.path.exists(usercode) is True): 
                    self.group_job.findChild(QtGui.QLabel,"label_usercode").setText("<font color='green'>User code found.</font>")
               
                else:               
                    self.group_job.findChild(QtGui.QLabel,"label_usercode").setText("<font color='red'>Warning: no user code found!</font>")
               

                # Check if _pdf file is available, otherwise notice user
                drop_job = self.group_job.findChild(QtGui.QComboBox,"drop_job").currentText()
                if ( self.group_execution.findChild(QtGui.QCheckBox,"check_restarts").checkState() == 2 or 
                     drop_job == "Restart run" or drop_job == "Restart run (coupled atmosphere ocean)"     ):

                    jobname = self.group_job.findChild(QtGui.QLineEdit, "line_jobname").text()
                    restartfile = "%s/JOBS/%s/INPUT/%s_p3df" % (version_path,jobname,jobname)

                    if (os.path.exists(restartfile) == True):                  
                        self.group_execution.findChild(QtGui.QLabel,"label_restart").setText("")
               

                        if ( drop_job == "Restart run (coupled atmosphere ocean)" ):
		            restartfileo = "%s/JOBS/%s/INPUT/%s_p3dof" % (version_path,jobname,jobname)
                            if (os.path.exists(restartfileo) == True):                  
                                self.group_execution.findChild(QtGui.QLabel,"label_restart").setText("hooo")
                  
                            else:       
                                self.group_execution.findChild(QtGui.QLabel,"label_restart").setText("<font color='red'>Warning: No p3dof file found!</font>")   
               
                    else:       
                        self.group_execution.findChild(QtGui.QLabel,"label_restart").setText("<font color='red'>Warning: No p3df file found!</font>")
         
               
                        
                        
                self.group_runcontrol.setEnabled(True)
                self.group_execution.setEnabled(True)
                self.drop_job.setEnabled(True)
                self.group_advanced.setEnabled(True)
                   
                if ( self.group_advanced.findChild(QtGui.QLineEdit,"line_i").text() != "" or 
                     self.group_advanced.findChild(QtGui.QLineEdit,"line_o").text() != "" ):                  
                    change_commandline("r","remove")
                    self.group_runcontrol.setEnabled(False)

        # Change in parameter "r" (run control list)
        elif (id_str == "r"): 
            status_ts = self.group_runcontrol.findChild(QtGui.QCheckBox,"check_ts").checkState()
            status_pr = self.group_runcontrol.findChild(QtGui.QCheckBox,"check_pr").checkState()
            status_xy = self.group_runcontrol.findChild(QtGui.QCheckBox,"check_xy").checkState()
            status_xz = self.group_runcontrol.findChild(QtGui.QCheckBox,"check_xz").checkState()
            status_yz = self.group_runcontrol.findChild(QtGui.QCheckBox,"check_yz").checkState()
            status_3d = self.group_runcontrol.findChild(QtGui.QCheckBox,"check_3d").checkState()
            status_ma = self.group_runcontrol.findChild(QtGui.QCheckBox,"check_ma").checkState()
            status_sp = self.group_runcontrol.findChild(QtGui.QCheckBox,"check_sp").checkState()
            status_pts = self.group_runcontrol.findChild(QtGui.QCheckBox,"check_pts").checkState()
            status_prt = self.group_runcontrol.findChild(QtGui.QCheckBox,"check_prt").checkState()
    
            drop_job = self.group_job.findChild(QtGui.QComboBox,"drop_job").currentText()
            rc_flag = "#"
    
            if (drop_job == "Initial run"):
                rc_flag = "#"
            
            elif (drop_job == "Restart run"):            
                rc_flag = "f"
            
            elif (drop_job == "Precursor run (atmosphere)"):            
                rc_flag = "#"
            
            elif (drop_job == "Precursor run (ocean)"):            
                rc_flag = "o#"

            elif (drop_job == "Initial run (coupled atmosphere ocean)"):            
                rc_flag = "#"
            
            elif (drop_job == "Restart run (coupled atmosphere ocean)"):            
                rc_flag = "f"
            
            param[0] = "\"d3%s" % (rc_flag)
    
            if (status_ts == 2):
                param[0] = "%s ts%s" % (param[0],rc_flag)
            
            if (status_pr == 2):
                param[0] = "%s pr%s" % (param[0],rc_flag)
            
            if (status_xy == 2):
                param[0] = "%s xy%s" % (param[0],rc_flag)
            
            if (status_xz == 2):          
                param[0] = "%s xz%s" % (param[0],rc_flag)
            
            if (status_yz == 2):    
                param[0] = "%s yz%s" % (param[0],rc_flag)
            
            if (status_3d == 2):     
                param[0] = "%s 3d%s" % (param[0],rc_flag)
            
            if (status_ma == 2):
                param[0] = "%s ma%s" % (param[0],rc_flag)
            
            if (status_sp == 2):
                param[0] = "%s sp%s" % (param[0],rc_flag)
            
            if (status_prt == 2):
                param[0] = "%s prt%s" % (param[0],rc_flag)
            
            if (status_pts == 2):
                param[0] = "%s pts%s" % (param[0],rc_flag)
            
    
            if (drop_job == "Restart run (coupled atmosphere ocean)" or drop_job == "Initial run (coupled atmosphere ocean)"):
                if (rc_flag == "#"):
                   rc_flag = "o#"
                else:
                   rc_flag = "of"

                param[0] = "%s d3%s" % (param[0],rc_flag)
    
                if (status_ts == 2):
                    param[0] = "%s ts%s" % (param[0],rc_flag)
                
                if (status_pr == 2):                
                    param[0] = "%s pr%s" % (param[0],rc_flag)
                
                if (status_xy == 2):
                    param[0] = "%s xy%s" % (param[0],rc_flag)
                
                if (status_xz == 2):   
                    param[0] = "%s xz%s" % (param[0],rc_flag)
                
                if (status_yz == 2):
                    param[0] = "%s yz%s" % (param[0],rc_flag)
                
                if (status_3d == 2):
                    param[0] = "%s 3d%s" % (param[0],rc_flag)
                
                if (status_ma == 2):
                    param[0] = "%s ma%s" % (param[0],rc_flag)
                
                if (status_sp == 2):               
                    param[0] = "%s sp%s" % (param[0],rc_flag)
                
                if (status_prt == 2):
                    param[0] = "%s prt%s" % (param[0],rc_flag)
                
                if (status_pts == 2):
                    param[0] = "%s pts%s" % (param[0],rc_flag)

            status_restarts = self.group_execution.findChild(QtGui.QCheckBox,"check_restarts").checkState()

            if (status_restarts == 2):
                param[0]="%s restart" % (param[0])
    
                # Check if _p3df file is available, otherwise notice user
                if (status_restarts == 2):
                    jobname = str(self.group_job.findChild(QtGui.QLineEdit, "line_jobname").text())[len(version_path)+len("/JOBS/"):]
                    restartfile = "%s/JOBS/%s/INPUT/%s_p3df" % (version_path,jobname,jobname)
                    
                    if (os.path.exists(restartfile) == True):                   
                        self.group_execution.findChild(QtGui.QLabel,"label_restart").setText("")
                   
                    else:                   
                        self.group_execution.findChild(QtGui.QLabel,"label_restart").setText("<font color='red'>Warning: No p3df file found!</font>")

            else:  
                self.group_execution.findChild(QtGui.QLabel,"label_restart").setText("")

            status_cycfill = self.group_execution.findChild(QtGui.QCheckBox,"check_cycfill").checkState()
    
            if (status_cycfill == 2):            
                param[0]="%s cycfill" % (param[0])

            param[0]="%s\"" % (param[0])
    
            if ( fwt_str == "remove"):            
                self.delete_commandline(id_str)
                return 1
            
            else:            
                self.button_start.setEnabled(True)
                self.action_save.setEnabled(True)

        # Change in any other parameter
        else:
            if ( fwt_str != ""):            
                param[0] = "\"%s\"" % (fwt_str)
            
            else:            
                self.delete_commandline(id_str)
                return 1
                        
        # Join the new mrunline
        splitline[1]= " -".join(param)
                
                
        s = " -%s " % (id_str)
        newmrunline = s.join(splitline)
    
        # Pr the new mrunline to mainwindow
        newmrunline = newmrunline.replace("  "," ")
        self.groupBox.findChild(QtGui.QLineEdit,"commandline").setText(newmrunline)

    # change lineinput depending on sender
    ###################################################################################
    def change_lineinput(self):
        if ( self.sender() == self.group_execution.findChild(QtGui.QLineEdit, "line_host") ):
            tmptext = self.group_execution.findChild(QtGui.QLineEdit,"line_host").text()
            self.change_commandline("h",tmptext)

        elif ( self.sender() == self.group_job.findChild(QtGui.QLineEdit, "line_jobname") ):
            tmptext = self.group_job.findChild(QtGui.QLineEdit,"line_jobname").text()
            self.change_commandline("d",tmptext)

        elif ( self.sender() == self.group_execution.findChild(QtGui.QLineEdit,"line_q")):
            tmptext = self.group_execution.findChild(QtGui.QLineEdit,"line_q").text()
            self.change_commandline("q",tmptext)
        
        elif ( self.sender() == self.group_execution.findChild(QtGui.QLineEdit,"line_account")):
            tmptext = self.group_execution.findChild(QtGui.QLineEdit,"line_account").text()
            self.change_commandline("u",tmptext)
        
        elif ( self.sender() ==  self.group_execution.findChild(QtGui.QLineEdit,"line_pe")):
            tmptext = self.group_execution.findChild(QtGui.QLineEdit,"line_pe").text()
            self.change_commandline("X",tmptext)
        
        elif ( self.sender() == self.group_execution.findChild(QtGui.QLineEdit,"line_tpn")):
            tmptext = self.group_execution.findChild(QtGui.QLineEdit,"line_tpn").text()
            self.change_commandline("T",tmptext)
        
        elif ( self.sender() == self.group_execution.findChild(QtGui.QLineEdit,"line_branch")):
            tmptext = self.group_execution.findChild(QtGui.QLineEdit,"line_branch").text()
            self.change_commandline("K",tmptext)
        
        elif ( self.sender() == self.group_execution.findChild(QtGui.QLineEdit,"line_time")):
            tmptext = self.group_execution.findChild(QtGui.QLineEdit,"line_time").text()
            self.change_commandline("t",tmptext)
        
        elif ( self.sender() == self.group_advanced.findChild(QtGui.QLineEdit,"line_M")):
            tmptext = self.group_advanced.findChild(QtGui.QLineEdit,"line_M").text()
            self.change_commandline("M",tmptext)
        
        elif ( self.sender() == self.group_advanced.findChild(QtGui.QLineEdit,"line_m")):
            tmptext = self.group_advanced.findChild(QtGui.QLineEdit,"line_m").text()
            self.change_commandline("m",tmptext)
        
        elif ( self.sender() == self.group_advanced.findChild(QtGui.QLineEdit,"line_a")):
            tmptext = self.group_advanced.findChild(QtGui.QLineEdit,"line_a").text()
            self.change_commandline("a",tmptext)
        
        elif ( self.sender() == self.group_advanced.findChild(QtGui.QLineEdit,"line_D")):
            tmptext = self.group_advanced.findChild(QtGui.QLineEdit,"line_D").text()
            self.change_commandline("D",tmptext)
        
        elif ( self.sender() == self.group_advanced.findChild(QtGui.QLineEdit,"line_c")):
            tmptext = self.group_advanced.findChild(QtGui.QLineEdit,"line_c").text()
            if ( tmptext == ".mrun.config"):
                tmptext = ""
            self.change_commandline("c",tmptext)

        elif ( self.sender() == self.group_advanced.findChild(QtGui.QLineEdit,"line_p")):
            tmptext = self.group_advanced.findChild(QtGui.QLineEdit,"line_p").text()
            self.change_commandline("p",tmptext)
        
        elif ( self.sender() == self.group_advanced.findChild(QtGui.QLineEdit,"line_s")):
            tmptext = self.group_advanced.findChild(QtGui.QLineEdit,"line_s").text()
            self.change_commandline("s",tmptext)
        
        elif ( self.sender() == self.group_advanced.findChild(QtGui.QLineEdit,"line_i")):
            cmd = self.groupBox.findChild(QtGui.QLineEdit,"commandline").text()
            tmptext = self.group_advanced.findChild(QtGui.QLineEdit,"line_i").text()
            if ( tmptext != ""):
                self.change_commandline("r","remove")
                cmd = self.groupBox.findChild(QtGui.QLineEdit,"commandline").text()
                self.group_runcontrol.setEnabled(False)
        
                self.button_start.setEnabled(True)
                self.action_save.setEnabled(True)
            
            elif (self.group_advanced.findChild(QtGui.QLineEdit,"line_o").text() == "" ):
                self.group_runcontrol.setEnabled(True)
                self.change_commandline("r","")
            
            self.change_commandline("i",tmptext)
        
        elif ( self.sender() == self.group_advanced.findChild(QtGui.QLineEdit,"line_o")):
            tmptext = self.group_advanced.findChild(QtGui.QLineEdit,"line_o").text()
            if ( tmptext != ""):
                self.change_commandline("r","remove")
                self.button_start.setEnabled(True)
                self.action_save.setEnabled(True)
                self.group_runcontrol.setEnabled(False)
            
            elif (self.group_advanced.findChild(QtGui.QLineEdit,"line_i").text() == "" ):
                self.group_runcontrol.setEnabled(True)
                self.change_commandline("r","")
                cmd = self.groupBox.findChild(QtGui.QLineEdit,"commandline").text()
        
            self.change_commandline("o",tmptext)

        elif ( self.sender() == self.group_advanced.findChild(QtGui.QLineEdit,"line_w")):
            tmptext = self.group_advanced.findChild(QtGui.QLineEdit,"line_w").text()
            self.change_commandline("w",tmptext)
        
        elif ( self.sender() == self.group_execution.findChild(QtGui.QLineEdit,"line_PE_atmos") or 
               self.sender() == self.group_execution.findChild(QtGui.QLineEdit,"line_PE_ocean")):
            t1 = self.group_execution.findChild(QtGui.QLineEdit,"line_PE_atmos").text()
            t2 = self.group_execution.findChild(QtGui.QLineEdit,"line_PE_ocean").text()            
            tmptext = "%s %s" % (t1,t2)
            
            self.change_commandline("Y",tmptext)

            # try catch sowas in der art
            pe1 = 0
            pe2 = 0
            
            try:
                pe1 = int(t1)
            except ValueError:            
                pass
                
            try:
                pe2 = int(t2)
            except ValueError:
                pass
                
            PE_total = pe1+pe2   
            self.group_execution.findChild(QtGui.QLineEdit,"line_pe").setText(str(PE_total))
            self.change_commandline("X",str(PE_total))
        
        elif ( self.sender() == self.group_advanced.findChild(QtGui.QComboBox,"combo_n")):
            tmptext = self.group_advanced.findChild(QtGui.QComboBox,"combo_n").currentText()
            if ( tmptext == "default"):
                tmptext = ""
            
            self.change_commandline("n",tmptext)      
           
    # deletes parameter from commandline
    ##################################################################################### 
    def delete_commandline(self, id_str):   
        # Read mrunline
        commandline = self.groupBox.findChild(QtGui.QLineEdit,"commandline")
        mrunline = str(commandline.text())
        s = " -%s" % (id_str)
        splitline = filter(None,mrunline.split(s))
        
        if ( len(splitline) == 1):
            return 1
        else:
            param = splitline[1].split("-")
            param[0] = ""
            splitline[1]= " -".join(param)
            newmrunline = "".join(splitline)
            newmrunline = newmrunline.replace("  "," ")
    
            # Print new mrunline to screen
            commandline.setText(newmrunline)
        
    # controls flags
    ###################################################################################
    def check_flags(self):
        status = self.group_execution.findChild(QtGui.QCheckBox,"check_delete_tmp_files" ).checkState()
        if (status == 2):      
            self.activate_flag("B")
        else:
            self.deactivate_flag("B")
    
        status = self.group_execution.findChild(QtGui.QCheckBox,"check_verbose" ).checkState()
        if (status == 2):
            self.activate_flag("v") 
        else:
            self.deactivate_flag("v")
    
        status = self.group_advanced.findChild(QtGui.QCheckBox,"check_A" ).checkState()
        if (status == 2):
            self.activate_flag("A")
        else:
            self.deactivate_flag("A")
    
        status = self.group_advanced.findChild(QtGui.QCheckBox,"check_b" ).checkState() 
        if (status == 2):
            self.activate_flag("b")
        else:
            self.deactivate_flag("b")
    
        status = self.group_advanced.findChild(QtGui.QCheckBox,"check_F" ).checkState()   
        if (status == 2):
            self.activate_flag("F")
        else:
            self.deactivate_flag("F")
            
        status = self.group_advanced.findChild(QtGui.QCheckBox,"check_I" ).checkState() 
        if (status == 2):
            self.activate_flag("I")
        else:
            self.deactivate_flag("I")

        status = self.group_advanced.findChild(QtGui.QCheckBox,"check_k" ).checkState() 
        if (status == 2):
            self.activate_flag("k")
        else:
            self.deactivate_flag("k")

        status = self.group_advanced.findChild(QtGui.QCheckBox,"check_O" ).checkState() 
        if (status == 2):
            self.activate_flag("O")
        else:
            self.deactivate_flag("O")

        status = self.group_advanced.findChild(QtGui.QCheckBox,"check_S" ).checkState() 
        if (status == 2):
            self.activate_flag("S")
        else:
            self.deactivate_flag("S")

        status = self.group_advanced.findChild(QtGui.QCheckBox,"check_x" ).checkState() 
        if (status == 2):
            self.activate_flag("x")
        else:
            self.deactivate_flag("x")
        
        status = self.group_advanced.findChild(QtGui.QCheckBox,"check_Z" ).checkState() 
        if (status == 2):
            self.activate_flag("Z")
        else:
            self.deactivate_flag("Z")
        
    # changes flag to parameter 
    ##################################################################################    
    def activate_flag(self, id_str):
        commandline = self.groupBox.findChild(QtGui.QLineEdit,"commandline")
        mrunline = str(commandline.text())
        s = " -%s" % (id_str)
        splitline = filter(None,mrunline.split(s))
        
        if ( len(splitline) == 1):
            splitline.append("")
            s = " -%s" % (id_str)
            newmrunline = s.join(splitline)
            newmrunline = newmrunline.replace("  "," ")
            commandline.setText(newmrunline)                
        
    # deletes flag in commandline
    ####################################################################################    
    def deactivate_flag(self, id_str):
        commandline = self.groupBox.findChild(QtGui.QLineEdit,"commandline")
        mrunline = str(commandline.text())
        s = " -%s" % (id_str)
        splitline = filter(None,mrunline.split(s))
 
        newmrunline = "".join(splitline)
        newmrunline = newmrunline.replace("  "," ")
        commandline.setText(newmrunline)     

    # Clears window 
    #################################################################################
    def reset_window(self):
        self.setupUi(self)
        self.tabWidget.setCurrentIndex(0)
        self.recent_jobs(10)
        
    # Safes current commandline and user Parameters to .sav file
    #################################################################################
    def save_to_file(self):
        user_string = self.group_advanced.findChild(QtGui.QLineEdit,"line_user").text()
        cmd_string = self.groupBox.findChild(QtGui.QLineEdit,"commandline").text()
        
        string_to_file = cmd_string
        if (user_string != ""): 
            string_to_file = "%s%s" % (string_to_file,user_string)
            
        #filename = QtGui.QInputDialog.getText(self, "Save File naming Dialog", "Insert filename", QtGui.QLineEdit.Normal)
        filename = str(QtGui.QFileDialog.getSaveFileName(self, "Save File","filename.sav"))
        extension = ".sav"
        filename = "%s%s" % (filename, "")
        tmstamp = strftime("%Y/%m/%d %H:%M")
        
        file = open(filename,"w")
        s = "%s %s" % (tmstamp, string_to_file)
        file.write(s)
        file.close()
        
    # Safes current commandline and user parameters to default file
    ################################################################################
    def save_default(self):
        user_string = self.group_advanced.findChild(QtGui.QLineEdit,"line_user").text()
        cmd_string = self.groupBox.findChild(QtGui.QLineEdit,"commandline").text()
        
        string_to_file = cmd_string
        if (user_string != ""): 
            string_to_file = "%s%s" % (string_to_file,user_string)
        
        filename ="%s/.mrun.gui.default" % (version_path)
        tmstamp = strftime("%Y/%m/%d %H:%M")
        
        file = open(filename,"w")
        s = "%s %s" % (tmstamp, string_to_file)
        file.write(s)
        file.close()        

    # Execute command which starts jobmanager (start palm_jm)
    #######################################################
    def start_jobmanager(self):
        subprocess.Popen(["nohup","palm_jm",">>","/dev/null", "2>&1","&"])        
        
    # Executes command which starts watchdog (start palm_wd)
    ########################################################
    def start_watchdog(self):
        subprocess.Popen(["nohup","palm_wd",">>","/dev/null", "2>&1","&"])

    # Opens "help" dialog
    #################################
    def help(self):        
        dialog = HelpDialog()
        dialog.exec_()

    # Opens "about" dialog
    ##################################
    def about_gui(self):
        dialog = AboutDialog()
        dialog.exec_()
           
    # commandline to buttons etc
    ##############################
    def setup_gui(self, mrun_str):  
        #  Some initial settings
        user = "" 
        coupled_run = False 
        ocean_run   = False 
        nojob       = False 
        rc_manual   = False 

        #Split parameters in mrunline
        splitline = mrun_str.split(" -")
        
        if ( splitline[0] != "mrun"):
            return 1

        else:
            self.group_job.setEnabled(True) 

        # Loop for all parameters in mrunline
        i = len(splitline)-1
        while i >= 1:

            # Determine parameter
            splitparameter = splitline[i].split(" ")

            parameter = splitparameter[0] 
            splitparameter.pop(0)
            options = " ".join(splitparameter) 
            options = options.replace("\"","") 

            # Check for suitable switch
            if ( parameter == "d"):
              
                if ( options != ""):
                    self.group_job.findChild(QtGui.QLineEdit,"line_jobname").setText(options) 
                    nojob = False 
                
                else:                 
                    nojob = True 
                
            elif ( parameter == "h"):
                self.group_execution.findChild(QtGui.QLineEdit,"line_host").setText(options) 
             
            elif ( parameter == "q"):
                self.group_execution.findChild(QtGui.QLineEdit,"line_q").setText(options) 
             
            elif ( parameter == "K"):
                self.group_execution.findChild(QtGui.QLineEdit,"line_branch").setText(options) 
             
            elif ( parameter == "u"):
                self.group_execution.findChild(QtGui.QLineEdit,"line_account").setText(options) 
             
            elif ( parameter == "X"):
                self.group_execution.findChild(QtGui.QLineEdit,"line_pe").setText(options) 
             
            elif ( parameter == "T"):
                self.group_execution.findChild(QtGui.QLineEdit,"line_tpn").setText(options) 
             
            elif ( parameter == "t"):
                self.group_execution.findChild(QtGui.QLineEdit,"line_time").setText(options) 
             
            elif ( parameter == "B"):
                self.group_execution.findChild(QtGui.QCheckBox,"check_delete_tmp_files").setChecked(True) 
             
            elif ( parameter == "v"):
                self.group_execution.findChild(QtGui.QCheckBox,"check_verbose").setChecked(True) 
             
            elif ( parameter == "A"):
                self.group_advanced.findChild(QtGui.QCheckBox,"check_A").setChecked(True) 
             
            elif ( parameter == "b"): 
                self.group_advanced.findChild(QtGui.QCheckBox,"check_b").setChecked(True)  
             
            elif ( parameter == "F"):
                self.group_advanced.findChild(QtGui.QCheckBox,"check_F").setChecked(True) 
             
            elif ( parameter == "I"):
                self.group_advanced.findChild(QtGui.QCheckBox,"check_I").setChecked(True) 
             
            elif ( parameter == "k"):
                self.group_advanced.findChild(QtGui.QCheckBox,"check_k").setChecked(True) 
             
            elif ( parameter == "O"): 
                self.group_advanced.findChild(QtGui.QCheckBox,"check_O").setChecked(True) 
             
            elif ( parameter == "S"):              
                self.group_advanced.findChild(QtGui.QCheckBox,"check_S").setChecked(True) 
             
            elif ( parameter == "x"):              
                self.group_advanced.findChild(QtGui.QCheckBox,"check_x").setChecked(True) 
             
            elif ( parameter == "Z"):
                self.group_advanced.findChild(QtGui.QCheckBox,"check_Z").setChecked(True) 
               
            elif ( parameter == "m"):
                self.group_advanced.findChild(QtGui.QLineEdit,"line_m").setText(options) 
             
            elif ( parameter == "M"):
                self.group_advanced.findChild(QtGui.QLineEdit,"line_M").setText(options) 
             
            elif ( parameter == "a"):
                self.group_advanced.findChild(QtGui.QLineEdit,"line_a").setText(options) 
             
            elif ( parameter == "D"):
                self.group_advanced.findChild(QtGui.QLineEdit,"line_D").setText(options) 
             
            elif ( parameter == "c"):
                self.group_advanced.findChild(QtGui.QLineEdit,"line_c").setText(options) 
             
            elif ( parameter == "p"):
                self.group_advanced.findChild(QtGui.QLineEdit,"line_p").setText(options) 
             
            elif ( parameter == "s"):
                self.group_advanced.findChild(QtGui.QLineEdit,"line_s").setText(options) 
             
            elif ( parameter == "i"):
                self.group_advanced.findChild(QtGui.QLineEdit,"line_i").setText(options) 
                rc_manual = True 
             
            elif ( parameter == "o"):
                self.group_advanced.findChild(QtGui.QLineEdit,"line_o").setText(options) 
                rc_manual = True 
             
            elif ( parameter == "w"):
                self.group_advanced.findChild(QtGui.QLineEdit,"line_w").setText(options) 
             

            # Determine settings for coupled restart runs
            elif ( parameter == "Y"):
                optionssplit = options.split(" ") 
                
                group_coupled = self.group_execution.findChild(QtGui.QGroupBox,"group_coupled")
                group_coupled.findChild(QtGui.QLineEdit,"line_PE_atmos").setEnabled(True) 
                group_coupled.findChild(QtGui.QLineEdit,"line_PE_ocean").setEnabled(True) 
                group_coupled.findChild(QtGui.QLabel,"label_coupled1").setEnabled(True) 
                group_coupled.findChild(QtGui.QLabel,"label_coupled2").setEnabled(True) 
                group_coupled.findChild(QtGui.QLabel,"label_coupled3").setEnabled(True) 
                group_coupled.findChild(QtGui.QLabel,"label_coupling").setEnabled(True) 

                if (optionssplit.count() == 2):
                    group_coupled.findChild(QtGui.QLineEdit,"line_PE_atmos").setEnabled(optionssplit[0]) 
                    group_coupled.findChild(QtGui.QLineEdit,"line_PE_ocean").setEnabled(optionssplit[1])
                 
                else:                  
                    group_coupled.findChild(QtGui.QLineEdit,"line_PE_atmos").setText("") 
                    group_coupled.findChild(QtGui.QLineEdit,"line_PE_ocean").setText("") 
 
                 
                coupled_run = True 
             
            elif ( parameter == "n"):
              
                if ( options == "shared"):                  
                    self.group_advanced.findChild(QtGui.QComboBox,"combo_n").setCurrentIndex(1) 
                 
                elif ( options == "non_shared"):                  
                    self.group_advanced.findChild(QtGui.QComboBox,"combo_n").setCurrentIndex(2) 
                 
                else:                  
                    self.group_advanced.findChild(QtGui.QComboBox,"combo_n").setCurrentIndex(0) 
                 
             
            elif ( parameter == "y"):              
                self.group_job.findChild(QtGui.QComboBox, "drop_job").setCurrentIndex(3) 
             

            # Determine settings for the run control list
            elif ( parameter == "r"):
              
                optionssplit = options.split(" ") 

                options_2 = None
                options_all = None
                
                j = 0
                while j < len(optionssplit):
                 
                    options_all = optionssplit[j] 
                    options_2 = optionssplit[j][:2] 
                    if (options_2 == "ts"):
                        self.group_runcontrol.findChild(QtGui.QCheckBox,"check_ts").setChecked(True) 
                    
                    if (options_2 == "pr" and options_all[:3] is not "prt"):                  
                        self.group_runcontrol.findChild(QtGui.QCheckBox,"check_pr").setChecked(True) 
                    
                    if (options_2 == "xy"):
                        self.group_runcontrol.findChild(QtGui.QCheckBox,"check_xy").setChecked(True) 
                    
                    if (options_2 == "xz"):      
                        self.group_runcontrol.findChild(QtGui.QCheckBox,"check_xz").setChecked(True) 
                    
                    if (options_2 == "yz"):     
                        self.group_runcontrol.findChild(QtGui.QCheckBox,"check_yz").setChecked(True) 
                    
                    if (options_2 == "3d"):     
                        self.group_runcontrol.findChild(QtGui.QCheckBox,"check_3d").setChecked(True) 
                        
                    if (options_2 == "ma"):             
                        self.group_runcontrol.findChild(QtGui.QCheckBox,"check_ma").setChecked(True) 
                    
                    if (options_2 == "sp"):       
                        self.group_runcontrol.findChild(QtGui.QCheckBox,"check_sp").setChecked(True) 
                    
                    if (options_all[:3] == "prt"):      
                        self.group_runcontrol.findChild(QtGui.QCheckBox,"check_prt").setChecked(True) 
                    
                    if (options_all[:3] == "pts"):     
                        self.group_runcontrol.findChild(QtGui.QCheckBox,"check_pts").setChecked(True) 
                    
                    if (options_2 == "d3"):       
                        if (options_all[:3][:-1] == "#"):
                            self.group_job.findChild(QtGui.QComboBox, "drop_job").setCurrentIndex(0) 
                        
                        elif (options_all[:3][:-1] == "f"):
                            self.group_job.findChild(QtGui.QComboBox, "drop_job").setCurrentIndex(1) 
                        
                        elif (options_all[:3][:-1] == "o"):
                            ocean_run = True 
                        
                    if (options_all == "restart"):
                        self.group_execution.findChild(QtGui.QCheckBox,"check_restarts").setChecked(True) 
                        # Check if _pdf file is available, otherwise notice user
                        jobname = str(self.group_job.findChild(QtGui.QLineEdit,"line_jobname").text())[len(version_path)+len("/JOBS/"):] 
                        
                        restartfile = "%sJOBS/%s/INPUT/%s_p3df" % (version_path,jobname,jobname)
                        if (os.path.exists(restartfile) == True):   
                            self.group_execution.findChild(QtGui.QLabel,"label_restart").setText("") 
                       
                        else:
                            self.group_execution.findChild(QtGui.QLabel,"label_restart").setText("<font color='red'>Warning: No p3df file \found!</font>") 
                    j = j+1

            # All unknown parameters are set as extra user parameters
            else:
                user = "%s-%s \"%s\" " % (user,parameter,options)
                splitline.removeAt(i) 

            i = i-1
        # Change drop box state in case of ocean precursor or coupled restart runs
        if ( ocean_run == True ):
            if ( coupled_run == True ):
                self.group_job.findChild(QtGui.QComboBox, "drop_job").setCurrentIndex(4) 
            
            else:
                self.group_job.findChild(QtGui.QComboBox, "drop_job").setCurrentIndex(3) 

        if ( user != ""):
            self.group_advanced.findChild(QtGui.QLineEdit,"line_user").setText(user)

        # Join mrunline and post it to mainwindow
        mrunline = " -".join(splitline) 
        self.groupBox.findChild(QtGui.QLineEdit,"commandline").setText(mrunline)          

        # Disable mainwindow if no job was found, otherwise enable
        if ( nojob == True ):
            self.group_execution.setEnabled(False) 
            self.group_runcontrol.setEnabled(False) 
            self.groupBox.findChild(QtGui.QPushButton,"button_start").setEnabled(False) 
            self.menuBar.findChild(QtGui.QMenu,"menuStart").actions()[3].setEnabled(False) 
            self.group_job.findChild(QtGui.QComboBox, "drop_job").setEnabled(False) 
            self.group_advanced.setEnabled(False) 
            self.check_advanced.setEnabled(False) 
         
        else:
            self.group_execution.setEnabled(True) 
            self.group_runcontrol.setEnabled(True) 
            self.groupBox.findChild(QtGui.QPushButton,"button_start").setEnabled(True) 
            self.menuBar.findChild(QtGui.QMenu,"menuStart").actions()[3].setEnabled(True)
            self.group_job.findChild(QtGui.QComboBox, "drop_job").setEnabled(True) 
            self.group_advanced.setEnabled(True) 
            
        # Disable run control box, if manual settings of -i and -o are used
        if ( rc_manual == True ):
            self.group_runcontrol.setEnabled(False) 
            change_commandline("r","remove") 
            self.groupBox.findChild(QtGui.QPushButton,"button_start").setEnabled(True) 
            self.menuBar.findChild(QtGui.QMenu,"menuStart").actions()[3].setEnabled(True)
     
    # open saved commandline
    ##################################
    def open_from_file(self):
        
        # Select filename and open it
        filename = QtGui.QFileDialog.getOpenFileName(self, "Open File","Save files (*.sav)") 
        
        if ( filename != ""):
            file = open(filename, "r")
          
            if ( file is not None ):
                # File opened successfully
                mrunline = file.read()
                file.close() 
    
            # In case a mrunline was found, load it to mainwindow
            if ( mrunline != ""):
                mrunline = mrunline[17:] 
                self.groupBox.findChild(QtGui.QLineEdit,"commandline").setText(mrunline) 
                self.setup_gui(mrunline)
         
    # open saved commandline   
    ##################################
    def open_last(self): 
        # Select filename and open it
        filename = "%s/.mrun.history" % (version_path)
        
        if os.path.exists(filename):
            pass
        else:
            return
        
        file = open(filename, "r")  
        if ( file is not None ):
            # File opened successfully
            lines = file.readlines()
            mrunline = lines[len(lines)-1]
            mrunline = mrunline[:len(mrunline)-1]
            file.close() 

        # In case a mrunline was found, load it to mainwindow
        if ( mrunline != ""):
            mrunline = mrunline[17:len(mrunline)] 
            self.groupBox.findChild(QtGui.QLineEdit,"commandline").setText(mrunline) 
            self.setup_gui(mrunline)        
        

if __name__ == "__main__":
    app = QtGui.QApplication(sys.argv)
    window = Mainwindow()
    window.show()
    sys.exit(app.exec_())