bdbase/base.py

""" Base accelerator module
"""
import argparse
from collections import OrderedDict
from datetime import datetime
import getpass
import h5py
import inspect
import logging
import numpy as np
import platform
import os
import re
import sys
import time

# Third-party modules
from qtpy.QtCore import (PYQT_VERSION_STR, QEventLoop, QFile, QIODevice,
                         QSettings, QSize, Qt, QThread, QTimer, Signal, Slot)
from qtpy.QtCore import __version__ as QT_VERSION_STR
from qtpy.QtGui import (QColor, QKeySequence, QIcon, QPainter, QPalette,
                        QPixmap)
from qtpy.QtPrintSupport import QPrinter, QPrintDialog
from qtpy.QtWidgets import (QAction, QApplication, QDialog, QFrame, QLabel,
                            QMainWindow, QMessageBox, QPlainTextEdit,
                            QProgressBar, QScrollArea, QSizePolicy,
                            QSplashScreen, QVBoxLayout, QWidget)

from pyqtacc.bdbase.utils import _line
from pyqtacc.bdbase.enumkind import Facility, MsgSeverity, UserMode
from pyqtacc.bdbase.helpbrowser import HelpBrowser
from pyqtacc.bdbase.readjson import ReadJSON
from pyqtacc.bdbase.savehdf import QSaveHDF
from pyqtacc.bdbase.hdf5filemenu import HDF5GroupBox
from pyqtacc.bdbase.sendelog import QSendToELOG

from pyqtacc.bdbase.screenshot import QScreenshot
from pyqtacc.bdbase.guiframe import GUIFrame

from caqtwidgets.pvwidgets import QNoDockWidget

import PyCafe
_abspath = os.path.dirname(os.path.abspath(__file__))
_pymodule = os.path.basename(__file__)
_appname, _appext = _pymodule.split(".")
_appversion = "1.0.0"
_author = "J. Chrin"

PROGRESS_THREAD_INIT = 0
PROGRESS_THREAD_START = 1
PROGRESS_THREAD_ABORTING = 2
PROGRESS_THREAD_ABORTED = 3
PROGRESS_THREAD_ERROR = 4
PROGRESS_THREAD_END = 100

CENTRAL_WIDGET_MINIMUM_HEIGHT = 840
CENTRAL_WIDGET_MINIMUM_WIDTH =  1240
SLS_CENTRAL_WIDGET_MINIMUM_HEIGHT = 840
SLS_CENTRAL_WIDGET_MINIMUM_WIDTH = 940

class BaseWindow(QMainWindow):
    """ BaseWindow
    """
    ####trigger_elog_entry = Signal(bool, str, str)
    trigger_log_message = Signal(str, str, int, str, dict)
    trigger_progressbar = Signal(int)
    trigger_progressbar_str = Signal(int, str)

    ##trigger_hdf_save = Signal()

    class SaveFigureThread(QThread):

        def __init__(self, parent, folder_name, time_in_seconds,
                     reanalysis_time):
            QThread.__init__(self)
            self.parent = parent
            self.settings = self.parent.settings
          
            self.folder_name = folder_name
            self.time_in_seconds = time_in_seconds
            self.reanalysis_time = reanalysis_time
            self.all_data = self.parent.all_data
            self.all_data_2 = self.parent.all_data_2

        #Causes QThread::wait: Thread tried to wait on itself
        #def __del__(self):
        #    self.wait()

        def run(self):
            attach_files = []
            folder_name = self.folder_name
            
            date_str = self.parent.add_date_to_path(
                time_in_seconds=self.time_in_seconds,
                reanalysis_time_in_seconds=self.reanalysis_time)

            def extract_and_attach(i, nfig, name, all_fig_data):
                canvas = 'Canvas {0}'.format(i+1)
                name_base = name.replace(' ', '_').lower()
                write_message_fired = False 

                if all_fig_data[canvas] is not None:
                    nfig_canvas = len(all_fig_data[canvas]) 
                    nfig_canvas = min(nfig_canvas, nfig)
                else:
                    nfig_canvas = nfig
                   
                for idx in range(0, nfig_canvas):
                    if all_fig_data[canvas] is not None:

                        name = name_base + "_{0}".format(
                            idx) if idx > 0 else name_base
                        
                        save_dest = (folder_name +  date_str + '_' + name +
                                         '.png')
                       
                        _dirname = os.path.dirname(save_dest) 

                        #print("DIRECTORY NAME IS ", _dirname)
                        #print("exists?",  os.path.exists(_dirname),
                        #os.path.exists(save_dest))
                        
                        if not os.path.isfile(save_dest):
                            if all_fig_data[canvas][idx] is not None:                        

                                if not os.path.exists(_dirname):
                                   
                                    os.makedirs(_dirname)
                                
                                if os.access(_dirname, os.W_OK):
                                   
                                    all_fig_data[canvas][idx].savefig(save_dest)

                                    
                                elif not write_message_fired:                                   
                                 
                                    _mess = ("Do not have write permission " +  
                                             "for directory {0} from this " + 
                                             "host {1}. Images not saved and " +
                                             "cannot be sent to elog").format(
                                                 _dirname, os.uname()[1]) 
                                   
                                    self.parent.trigger_log_message.emit(
                                        MsgSeverity.WARN.name, _pymodule,
                                        _line(), _mess, {})
                                    write_message_fired = True
                               
                         
                        if not write_message_fired:
                            attach_files.append(save_dest)
                       

          

            try:
                resultsSeq = self.settings.data["GUI"]["resultsSeq"]
                titleSeq = self.settings.data["GUI"]["subResultsTabTitle"]
                if self.all_data:
                    fig_data = self.all_data['Figure data']
                    for i, (nfig, name) in enumerate(zip(resultsSeq, titleSeq)):
                        print(i, nfig, name, flush=True)
                        print(fig_data, flush=True)
                        extract_and_attach(i, nfig, name, fig_data)
            except KeyError as ex:
                pass
 

            try:
                resultsSeq = self.settings.data["GUI2"]["resultsSeq"]
                titleSeq = self.settings.data["GUI2"]["subResultsTabTitle"]
                if self.all_data_2:
                    fig_data = self.all_data_2['Figure data']
                    for i, (nfig, name) in enumerate(zip(resultsSeq, titleSeq)):
                        extract_and_attach(i, nfig, name, fig_data)
            except KeyError as ex:
                pass
            


            #Not so nice.. send a signal instead?
            if attach_files:            
                self.parent.attach_files = attach_files
                print(attach_files, flush=True)
                print("All files attached", flush=True)
            else:
                print("No files to attach", flush=True)
            time.sleep(0.1) #avoid race condition

    class HDFSave(QThread):
        """Thread for hdf analysis
        """

        def __init__(self, parent, from_dialog):
            QThread.__init__(self)
            self.parent = parent
            self.from_dialog=from_dialog

        #Only a precaution, not experienced    
        #Causes QThread::wait: Thread tried to wait on itself
        #def __del__(self):
        #    self.wait()

        def run(self):
            """Run hdf thread
            """
            QApplication.processEvents(QEventLoop.ExcludeUserInputEvents, 5000)
          
            self.all_data = self.parent.all_data
            #Reanalysis data
        
            if self.all_data is not None:
                try:
                    if 'Time in seconds' in self.all_data['Ambient data']:
                        ts_in_seconds = self.all_data['Ambient data'][
                            'Time in seconds']
                    else:
                        ts_in_seconds = None
                except KeyError:
                    ts_in_seconds = None

                now_in_seconds = None
                from_hdf = False
                
                try:
                    if 'Reanalysis time in seconds' in self.all_data[
                            'Processed data']:
                        from_hdf = bool(
                            self.all_data['Processed data']['Reanalysis time'])
                        if from_hdf:
                            now_in_seconds = self.all_data['Processed data'][
                                'Reanalysis time in seconds'] 

                    #Double check 
                    if not from_hdf:
                        if 'from_hdf' in self.all_data['Processed data']:
                            from_hdf = bool(self.all_data['Processed data'][
                                'from_hdf'])

                except KeyError:
                    now_in_seconds = None
             
                self.parent.from_hdf = from_hdf

                print("t=========================>", ts_in_seconds, " // ",  now_in_seconds)     
                print("from hdf5=========================>", from_hdf) 

                if self.parent.hdf_filename is None or not self.from_dialog:
                    self.parent.set_new_hdf_filename(ts_in_seconds,
                                                     now_in_seconds)
                try:
                    print("FILENAME ==", self.parent.hdf_filename, flush=True)
                    with h5py.File(self.parent.hdf_filename, 'w') as dataH5:

                        #experiment
                        if not from_hdf:
                            self.parent.add_pvs_to_hdf(
                                dataH5, pv_list=self.parent.pv_machine_list,
                                from_hdf=from_hdf)
                       
                        #general
                        #if not from_hdf:
                        self.parent.add_general_to_hdf(dataH5)
                        self.parent.add_to_hdf(dataH5, proc=True, raw=True)
                        self.parent.hdf_save_completed = True
                        
                        _mess = "Processed data saved to {}".format(
                            self.parent.hdf_filename)
                        self.parent.trigger_log_message.emit(
                            MsgSeverity.INFO.name, _pymodule, _line(), _mess, 
                            {})
                except OSError as e:
                    _mess = "OSError in saving to file {0}: \n{1}".format(
                        self.parent.hdf_filename, str(e))
                    self.parent.trigger_log_message.emit(
                        MsgSeverity.ERROR.name, _pymodule, _line(), _mess, {})
                    self.parent.hdf_save_completed = False


    class HDFThread(QThread):
        """Thread for hdf analysis
        """
        trigger_thread_event = Signal(dict)

        def __init__(self, parent, analysis_procedure, all_data):
            QThread.__init__(self)
            self.parent = parent
            self.analysis_procedure = analysis_procedure
            self.all_data = all_data
            self.hdf_filename_loaded = self.parent.hdf_filename_loaded

        #Only a precaution, not experienced    
        #Causes QThread::wait: Thread tried to wait on itself   
        #def __del__(self):
        #    self.wait()

        def run(self):
            """Run hdf thread
            """
            
            if not hasattr(self.analysis_procedure, 'load_hdf_file'):
                mess = ("Analysis not configured for HDF analysis! " +  
                        "Missing method: load_hdf_file")
                self.parent.trigger_log_message.emit(
                    MsgSeverity.ERROR.name,_pymodule, _line(), mess, {})
                self.parent.trigger_progressbar.emit(PROGRESS_THREAD_END)
                return

            self.all_data = self.analysis_procedure.load_hdf_file(
                self.hdf_filename_loaded)

            if not self.all_data:
                self.parent.trigger_progressbar.emit(PROGRESS_THREAD_END)
                return

            if not hasattr(self.analysis_procedure, 'reanalyze'):
                 mess = ("Analysis not configured for HDF analysis! " + 
                         "Missing method: reanalyze")
                 self.parent.trigger_log_message.emit(
                     MsgSeverity.ERROR.name, _pymodule, _line(), mess, {})
                 self.parent.trigger_progressbar.emit(PROGRESS_THREAD_END)
                 return
            try:
                expt_dict = self.all_data['experiment']
            except KeyError:
                expt_dict = None
                pass

            #Open hdf5file here and
            mess = "HDF file {} analysis proceeding...".format(
                self.hdf_filename_loaded)
            self.parent.trigger_log_message.emit(MsgSeverity.INFO.name,
                                                 _pymodule, _line(),
                                                 mess, {})

            all_dict = self.analysis_procedure.reanalyze(self.all_data)

            if expt_dict is not None:
                all_dict['experiment'] = expt_dict

            # Emit results
            if all_dict is not None:
                self.parent.from_hdf = True
                self.trigger_thread_event.emit(all_dict)
                mess = "HDF file {} analysis succeeded".format(
                    self.hdf_filename_loaded)
                self.parent.trigger_log_message.emit(
                    MsgSeverity.INFO.name, _pymodule, _line(), mess, {})
            else:
                mess = "HDF file {} has wrong content!!".format(
                    self.hdf_filename_loaded)
                self.parent.trigger_log_message.emit(
                    MsgSeverity.ERROR.name, _pymodule, _line(), mess, {})


    class AnalysisThread(QThread):
        """Analysis thread
        """
        trigger_thread_event = Signal(dict)

        def __init__(self, parent, analysis_procedure, input_parameters,
                     messages: dict={
                         "success": "Analysis completed", "fail": 
                         "No data returned from analysis procedure"}):

            QThread.__init__(self)
            self.parent = parent
            self.analysis_procedure = analysis_procedure
            self.input_parameters = input_parameters
            self.messages = messages
            try:
                if input_parameters['debug']:
                    print("AnalysisThread", self.input_parameters, flush=True)
            except KeyError:
                pass

        def __del__(self):
            self.wait()

        def run(self):
            """Run thread
            """
            print("RUN IN BASE CLASS", flush=True)
            
            all_dict = self.analysis_procedure.measure_and_analyze(
                self.input_parameters)

            # Emit results
            if all_dict:
                self.trigger_thread_event.emit(all_dict)
                mess = self.messages['success']
                self.parent.trigger_log_message.emit(
                    MsgSeverity.INFO.name, _pymodule, _line(), mess, {})
            else:
                mess = self.messages['fail']
                self.parent.trigger_log_message.emit(
                    MsgSeverity.WARN.name, _pymodule, _line(), mess, {})


    def __init__(self, parent=None, pymodule=None, appversion=None, title="",
                 user_mode=UserMode.OPERATION, facility=Facility.SwissFEL,
                 extended=True, has_optics=True, has_procedure=True):
        super(BaseWindow, self).__init__(parent)

        self.parent = parent
        self.has_optics = has_optics
        self.pymodule = pymodule if pymodule else _pymodule
        self.appversion = appversion if appversion else _appversion
        self.source_file = None
        self.author = _author
        self.appversion = _appversion
        self.title = title
        self.facility = facility
        self.user_mode = user_mode
        self.appname, self.appext = self.pymodule.split(".")

       
        print("=============================================")
        print("Starting {0} at: {1}".format(self.appname, datetime.now()))
        print("User: {0} Host: {1}".format(os.getlogin(), os.uname()[1]))
        print("=============================================", flush=True)

        self.settings = ReadJSON(self.appname)                                              

        #Read out current_logbook

        self.cafe = PyCafe.CyCafe()
        self.cyca = PyCafe.CyCa()
        self.cafe_exception = PyCafe.CafeException
        self.cafe.enableExceptions = False
        self.caget = self.cafe.caget
        self.caput = self.cafe.caput

        self.application_recent_files = []
        self.application_geometry = None

        self.screenshot_titles = []
        self.screenshot_items = []

        self.filename = None
        self.hdf_filename_loaded = "NONE" #For loading into hdf dockwidget
        self.hdf_filename = None #For saving
        self.hdf_dialog = None
        self.from_hdf = False

        self.daq_analysis_completed = False
       
        self.setObjectName("MainWindow")
        self.setWindowTitle(self.appname)

        self.statusbar_label = QLabel()
        self.statusbar = self.statusBar()
        self.progressbar = QProgressBar(self)

        self.menu = self.menuBar()

        self.elog_dest = self.settings.data["Elog"]["destination"]

        try:
            self.elog_add_date_to_dir = self.settings.data["Elog"]["addDateToDir"]
        except KeyError:
            self.elog_add_date_to_dir = True
            
        self.screenshot_dest = self.settings.data["screenshot"]["destination"]
        self.stdlog_dest = (self.settings.data["stdlog"]["destination"] +
                            self.appname + "-" + os.getlogin() + ".log")

        self.logging = logging
        #self.logging.basicConfig(filename=self.stdlog_dest, level=logging.DEBUG)
        self.logging.basicConfig(level=logging.NOTSET)
        self.logger = self.logging.getLogger(__name__)
        self.logger.info("Logging activated")

        self.date_str = None
        self.autopost_elog = True

        try:
            self.hdf_dest = self.settings.data["hdf"]["destination"]
        except KeyError:
            self.hdf_dest = None

        try:
            self.pv_machine_list = self.settings.data["hdf"]["experiment"]
            #pv_machine_dict = self.cafe.getDictionary(self.pv_machine_list)[0]
        except KeyError:
            self.pv_machine_list = None

        try:
            self.autopost_epics = self.settings.data["menuFlags"]["hasEpics"]
        except KeyError as error:
            print("KeyError in base.py, init:", error)
            self.autopost_epics = False

        try:
            self.autopost_hdf = self.settings.data["menuFlags"]["hasH5"]
        except KeyError as error:
            print("KeyError in base.py, init:", error)
            self.autopost_hdf = False

        self.hdf_save_completed = False if self.autopost_hdf else True    
        

        self.all_input_parameters = {} #gui
        self.all_input_labels = {} #gui
        self.all_expert_parameters = {} #gui
        self.all_expert_labels = {} #gui

        self.input_parameters = {} #analysis thread
        self.input_labels = {}
        #self.input_value_dict = {}
        self.expert_parameters = {} #added to input_parameters
        self.expert_labels = {}

        self.read_input_parameters()
        self.all_data = {}
        self.all_data_2 = {}
        self.hdf_thread = None
        self.save_hdf_thread = None
        self.analysis_thread = None
        self.analysis_procedure = None
        try:
            from src.analysis import AnalysisProcedure
            self.analysis_procedure = AnalysisProcedure(self)
            print("Base class has user supplied AnalysisProcedure class.", 
                  flush=True)
        except ImportError as e:
            print(("Base class without user supplied AnalysisProcedure class."
                   + " import Error:"), e, flush=True)

        ##self.trigger_elog_entry.connect(self.receive_elog_notification)
        ##self.trigger_hdf_save.connect(self.save_to_hdf)

        self.msg_severity_qcolor = {
            MsgSeverity.FATAL: QColor(
                self.settings.data["MsgSeverity"]["fatal"]),
            MsgSeverity.ERROR: QColor(
                self.settings.data["MsgSeverity"]["error"]),
            MsgSeverity.WARN: QColor(
                self.settings.data["MsgSeverity"]["warn"]),
            MsgSeverity.WARNING: QColor(
                self.settings.data["MsgSeverity"]["warn"]),
            MsgSeverity.INFO: QColor(
                self.settings.data["MsgSeverity"]["info"]),
            MsgSeverity.DEBUG: QColor(
                self.settings.data["MsgSeverity"]["debug"]),
            MsgSeverity.FATAL.name: QColor(
                self.settings.data["MsgSeverity"]["fatal"]),
            MsgSeverity.ERROR.name: QColor(
                self.settings.data["MsgSeverity"]["error"]),
            MsgSeverity.WARN.name: QColor(
                self.settings.data["MsgSeverity"]["warn"]),
            MsgSeverity.WARNING.name: QColor(
                self.settings.data["MsgSeverity"]["warn"]),
            MsgSeverity.INFO.name: QColor(
                self.settings.data["MsgSeverity"]["info"]),
            MsgSeverity.DEBUG.name: QColor(
                self.settings.data["MsgSeverity"]["debug"])
        }

        #QSetttings
        self.restore_application_settings()

        self.init_toolbar()
        self.init_statusbar_wgt()
        self.init_progressbar_wgt()

        self.trigger_log_message.connect(self.receive_log_message)
        self.trigger_progressbar.connect(self.receive_progressbar)
        self.trigger_progressbar_str.connect(self.receive_progressbar)
        self.statusbar.addPermanentWidget(self.progressbar, 0)

        self.appname = self.pymodule.split(".")[0]

        self.mainwindow = QWidget()
        self.mainwindow_layout = QVBoxLayout()

        if self.facility == Facility.SwissFEL:
            from pyqtacc.sf.guiheader import GUIHeader
            from pyqtacc.bdbase.sendelog import QSendToELOG
        elif self.facility == Facility.SLS:
            from pyqtacc.sls.guiheader import GUIHeader
            from pyqtacc.sls.sendelogsls import QSendToELOG
        elif self.facility == Facility.HIPA:
            from pyqtacc.hipa.guiheader import GUIHeader
            from pyqtacc.hipa.sendeloghipa import QSendToELOG
        elif self.facility == Facility.PROSCAN:
            from pyqtacc.proscan.guiheader import GUIHeader
            from pyqtacc.proscan.sendelogproscan import QSendToELOG
        elif self.facility == Facility.ESS:
            from pyqtacc.ess.guiheader import GUIHeader
            from pyqtacc.ess.sendelogess import QSendToELOG    

        self.gui_header = GUIHeader(self, user_mode=self.user_mode,
                                    extended=extended)
        self.mainwindow_layout.addWidget(self.gui_header.header_wgt)

        self.gui_frame = GUIFrame(self, has_optics=self.has_optics, 
                                  has_procedure=has_procedure)
        self.show_log_message = self.gui_frame.show_log_message

        if self.autopost_hdf:
            self.hdf_dock_widget = QNoDockWidget("  HDF5", self)
            self.init_hdf_analysis_wgt()

        self.mainwindow_layout.addWidget(self.gui_frame.central_tab_widget)
        self.mainwindow.setLayout(self.mainwindow_layout)

        if self.facility == Facility.SwissFEL: 
            self.mainwindow.setMinimumHeight(CENTRAL_WIDGET_MINIMUM_HEIGHT)
            self.mainwindow.setMinimumWidth(CENTRAL_WIDGET_MINIMUM_WIDTH)
        else:
            self.mainwindow.setMinimumHeight(SLS_CENTRAL_WIDGET_MINIMUM_HEIGHT)
            self.mainwindow.setMinimumWidth(SLS_CENTRAL_WIDGET_MINIMUM_WIDTH)

        self.setCentralWidget(self.mainwindow)
        self.show_log_message(MsgSeverity.INFO.name, _pymodule, _line(),
                              "Application configured")


    def read_input_parameters(self):

        for key, dictval in self.settings.data["Parameters"].items():
            if not isinstance(dictval, dict):
                continue
            if "value" in dictval["data"]:
                if self.settings.data["Parameters"][key]["flag"]:
                    self.input_parameters[key] = dictval["data"]["value"]
                self.all_input_parameters[key] = dictval["data"]["value"]
            else:
                try:
                    link_list = []
                    if 'link' in dictval["data"]:
                        link_list = dictval["data"]["link"]
                        #print("link_list", link_list)
                        if len(link_list) > 1:
                            val = self.settings.data[link_list[0]]
                            for link in link_list[1:]:
                                val = val[link]
                                #print("lval", val)
                        else:
                            val = []
                            if isinstance(link_list[0], dict):
                                for inner_key in self.settings.data[
                                        link_list[0]].keys():
                                    val.append(inner_list)
                            else:
                                for lvalue in self.settings.data[link_list[0]]:
                                    val.append(lvalue)
         
                        if self.settings.data["Parameters"][key]["flag"]:
                            self.input_parameters[key] = val
                        self.all_input_parameters[key] = val
                            #print("val=",val, key)

                except KeyError as e:
                    print("Key Error in base.py initialization:", e)

            if self.settings.data["Parameters"][key]["flag"]:
                self.input_labels[key] = dictval["data"]["text"]
            self.all_input_labels[key] = dictval["data"]["text"]
            #print(key, self.settings.data["Parameters"][key]["flag"])

            
        if "Expert" not in self.settings.data:
            return

        for key, dictval in self.settings.data["Expert"].items():
            if not isinstance(dictval, dict):
                continue
            if "value" in dictval["data"]:
                if self.settings.data["Expert"][key]["flag"]:
                    self.expert_parameters[key] = dictval["data"]["value"]
                self.all_expert_parameters[key] = dictval["data"]["value"]
            else:
                try:
                    link_list = []
                    if 'link' in dictval["data"]:
                        link_list = dictval["data"]["link"]
                        #print("link_list", link_list)
                        if len(link_list) > 1:
                            val = self.settings.data[link_list[0]]
                            for link in link_list[1:]:
                                val = val[link]
                                #print("lval", val)
                        else:
                            val = []
                            
                            if isinstance(link_list[0], dict):
                                for inner_key in self.settings.data[
                                        link_list[0]].keys():
                                    val.append(inner_list)
                            else:
                                for lvalue in self.settings.data[link_list[0]]:
                                    val.append(lvalue)
                            
                        if self.settings.data["Expert"][key]["flag"]:
                            self.expert_parameters[key] = val
                        self.all_expert_parameters[key] = val
                        #print("val=",val, key)

                except KeyError as e:
                    print("Key Error in base.py initialization:", e)

            if self.settings.data["Expert"][key]["flag"]:
                self.expert_labels[key] = dictval["data"]["text"]
            self.all_expert_labels[key] = dictval["data"]["text"]


    def init_toolbar(self):
        """ Prepare toolbar
        """
        #menu / toolbar
        font = self.menu.font()
        font.setPointSize(12)
        self.menu.setFont(font)

        menu_file = self.menu.addMenu("&Output")
        menu_file.setFont(font)
        menu_file_actions = []
        menu_view = self.menu.addMenu("&View")
        menu_view.setFont(font)
        menu_view_actions = []
        menu_help = self.menu.addMenu("&Help")
        menu_help.setFont(font)
        menu_help_actions = []

        file_toolbar = self.addToolBar("Output")
        file_toolbar.setObjectName("FileToolBar")
        view_toolbar = self.addToolBar("View")
        view_toolbar.setObjectName("ViewToolBar")

        # To implement
        #menu_daq = self.menu.addMenu("&DAQ")
        #menu_daq_actions = []
        #daq_toolbar = self.addToolBar("DAQ")
        #daq_toolbar.setObjectName("ViewToolBar")

        help_toolbar = self.addToolBar("Help")
        help_toolbar.setObjectName("HelpToolBar")

        if self.autopost_epics:
            epics_action = self.create_action(
                "&EPICS", slot=self.save_to_epics, shortcut="Ctrl+Shift+E",
                icon="epics", tip="Write to EPICS PVs")
            menu_file_actions.append(epics_action)

        if self.autopost_hdf:
            hdf_action = self.create_action(
                "Save&HDF", slot=self.save_to_hdf_dialog, shortcut="Ctrl+H",
                icon="hdf", tip="Save as HDF")
            menu_file_actions.append(hdf_action)

        elog_action = self.create_action(
            "&Elog", slot=self.send_to_elog, shortcut="Alt+E", icon="elog",
            tip="Send to ELOG")
        menu_file_actions.append(elog_action)
        menu_file_actions.append(QAction().setSeparator(True))

        screenshot_action = self.create_action(
            "&Screenshot", slot=self.take_screenshot, shortcut="Alt+S",
            icon="screenshot", tip="Screenshot of selected items")
        menu_file_actions.append(screenshot_action)

        print_action = self.create_action(
            "&Print", slot=self.send_to_printer, shortcut=QKeySequence.Print,
            icon="fileprint", tip="Send to printer")
        menu_file_actions.append(print_action)

        stdout_action = self.create_action(
            "stdout &Log", slot=self.open_stdout_log, shortcut="Alt+L",
            icon="filestdlog", tip="Open stdout log file")
        menu_view_actions.append(stdout_action)

        clear_log_action = self.create_action(
            "&Clear log window", slot=self.clear_log_window, shortcut="Alt+C",
            icon="viewclearlog", tip="Clears message log window")
        menu_view_actions.append(clear_log_action)

        quit_action = self.create_action(
            "&Quit", slot=self.close, shortcut="Ctrl+Q", icon="filequit",
            tip="Exit application, closing all windows")
        menu_file_actions.append(QAction().setSeparator(True))
        menu_file_actions.append(quit_action)

        help_action = self.create_action(
            "Help", slot=self.show_help, shortcut=QKeySequence.HelpContents,
            icon="home", tip="Help!")
        menu_help_actions.append(help_action)

        about_action = self.create_action(
            "About", slot=self.show_about, shortcut=QKeySequence.WhatsThis,
            icon="helpabout", tip="About this app")
        menu_help_actions.append(about_action)

        self.add_actions(menu_file, tuple(menu_file_actions))
        self.add_actions(menu_view, tuple(menu_view_actions))
        self.add_actions(menu_help, tuple(menu_help_actions))
        self.add_actions(file_toolbar, tuple(menu_file_actions[:-1]))
        self.add_actions(view_toolbar, tuple(menu_view_actions))
        self.add_actions(help_toolbar, tuple(menu_help_actions))

        save_all_action = self.create_action(
            "Save&ALL", slot=self.write_to_destinations,
            shortcut="Ctrl+Z", icon="save_all", tip="Save All")

         #toolbar
        # Place ExitWidget on the far right
        exit_toolbar = self.addToolBar("EXIT")
        exit_toolbar.setObjectName("ExitToolBar")
        spacer_wgt = QWidget()
        spacer_wgt.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Preferred)
        spacer_wgt.setVisible(True)
        exit_toolbar.addWidget(spacer_wgt)
        #_qsize = exit_toolbar.iconSize()
        #print("qsize", _qsize)
        true_list = [self.autopost_epics, self.autopost_hdf, self.autopost_elog]
        
        if true_list.count(True) > 1:
            exit_toolbar.setIconSize(QSize(true_list.count(True)*30+10, 24))
            #exit_toolbar.setIconSize(_qsize)
            self.add_actions(exit_toolbar, (
                save_all_action, "Space", None, "Space", quit_action))
        else:
            self.add_actions(exit_toolbar, (quit_action,))
       
        


    def combine_save_icons(self): #epics=False, hdf=False, elog=False):

        epics = self.autopost_epics
        hdf = self.autopost_hdf
        elog = self.autopost_elog
        combinedIcon = QIcon()
        startx1 = 0
        startx2 = 0
        startx3 = 0
        true_list = [epics, hdf, elog]
        if true_list.count(True) == 1:
            startx1 = 0
            startx2 = 0
            startx3 = 0
        elif true_list.count(True) == 3:
            startx1 = 20
            startx2 = 150
            startx3 = 300
        else:
            if epics:
                startx1 = 20
                startx2 = 150
                startx3 = 150
            elif hdf:
                startx2 = 20
                startx3 = 150
        comboPixmap = QPixmap(130*true_list.count(True), 100) #420, 100
        #comboPixmap.fill(Qt.transparent)
        comboPixmap.fill(QColor("#dcdcdc"))  #"#bcc6cc"
        epicsImage = QPixmap(":/epics.png")
        hdfImage = QPixmap(":/hdfS.png")
        elogImage = QPixmap(":/elog.png")
        painter = QPainter(comboPixmap)
        if epics:
            painter.drawPixmap(startx1, 0, epicsImage, 0, -20, 100, 160)
        if hdf:
            painter.drawPixmap(startx2, 0, hdfImage, 0, -20, 100, 160)
        if elog:
            painter.drawPixmap(startx3, 0, elogImage)
        combinedIcon.addPixmap(comboPixmap)
        painter.end()
        return combinedIcon


    ################# Actions
    def add_actions(self, target, actions):
        """ Add to toolbar
        """
        for action in actions:
            if action == "Space":
                qf = QFrame()
                qf.setFixedWidth(6)
                target.addWidget(qf)
            elif action is None:
                target.addSeparator()
            else:
                target.addAction(action)

    def create_action(self, text, slot=None, shortcut=None, icon=None, tip=None,
                      checkable=False):# signal="triggered()"):
        """ Helper fn
        """
        action = QAction(text, self)
        if icon is not None:
            if icon == "save_all":
                action.setIcon(QIcon(self.combine_save_icons()))
                action.setIconText("Save All")
            else:
                action.setIcon(QIcon(":/{0}.png".format(icon)))
        if shortcut is not None:
            action.setShortcut(shortcut)
        if tip is not None:
            action.setToolTip(tip)
        if slot is not None:
            action.triggered.connect(slot)
        if checkable:
            action.setCheckable(True)
        return action



    def verify_close_event(self):
        """ Overrides QMainWindow method
        """
        if self.analysis_thread is not None:
            if self.analysis_thread.isRunning():
                _mess = ("Measurement in progress. " +
                         "Please try again in a few seconds.")
                QMessageBox.information(self, "Exit", _mess,
                                        QMessageBox.Ok)
                return False

        if self.hdf_thread:
            if self.hdf_thread.isRunning():
                _mess = ("HDF analysis in progress. " +
                         "Please try again in a few seconds.")
                QMessageBox.information(self, "Exit",
                                        _mess, QMessageBox.Ok)
                return False

        if self.daq_analysis_completed and not self.hdf_save_completed \
           and not self.from_hdf:
            if self.all_data is not None:
                try:
                    if 'Reanalysis time' in self.all_data['Processed data']:
                        if not self.all_data['Processed data']['Reanalysis time']:
                            _mess = ("Are you sure you wish to exit " +
                                     "without saving data to HDF?")
                            qm = QMessageBox()
                            reply = qm.warning(self, "Exit", _mess,
                                               QMessageBox.Yes | QMessageBox.No)
                            if reply == QMessageBox.No:
                                return False
                except KeyError:
                    pass
        return True

    @Slot()
    def closeEvent(self, event):
        """ Overrides QMainWindow method
        """
        #Close all dock widgets
        #self.removeDockWidget(self.hdf_dock_widget)
        self.logger.info("Closing Application")
        print("Closing Application", flush=True)
        self.save_application_settings()
        QApplication.processEvents()
        #print( ("Stopping Monitors. This may on occasion lead to " + 
        #        "NO CYTHON CALLBACK MATCH FOUND notices"), flush=True)
        self.cafe.monitorStopAll()
        time.sleep(0.05)
        self.cafe.terminate()
        time.sleep(0.05)
        QApplication.closeAllWindows()
        event.accept()

    @Slot()
    def clear_log_window(self):
        """ Requests user confirmation before wiping out log message
        window
        """
        reply = QMessageBox.question(
            self, "Clear Message Log",
            "Do you wish to wipe out all messages from the log window?",
            QMessageBox.Yes | QMessageBox.No)
        if reply == QMessageBox.No:
            return False
        elif reply == QMessageBox.Yes:
            return self.gui_frame.log_wgt.clear()

    @Slot()
    def open_stdout_log(self):
        """ Slot to stdout_action
        """
        log_title = self.appname + ": stdout"
        sys.stdout.flush()

        file = None
        if QFile.exists(self.stdlog_dest):
            file = open(self.stdlog_dest)
        else:
            message = "Error Log File: '{0}' does not exist!".format(
                self.stdlog_dest)
            QMessageBox.warning(self, log_title, message)
            return

        text = file.read()
        file.close()

        text_edit = QPlainTextEdit()
        text_edit.setPlainText(text)
        text_edit.setReadOnly(True)

        bgcolor = ("QPlainTextEdit{background-color:" +
                   self.settings.data["StyleGuide"]["bgErrorLogFile"] + "}")
        text_edit.setStyleSheet(bgcolor)
        text_edit.verticalScrollBar().setValue(
            text_edit.verticalScrollBar().maximum())
        text_edit.horizontalScrollBar().setValue(
            text_edit.horizontalScrollBar().maximum())

        scroll_area = QScrollArea()
        scroll_area.setBackgroundRole(QPalette.Light)
        scroll_area.setWidgetResizable(True)
        scroll_area.setMinimumHeight(600)
        scroll_area.setMinimumWidth(700)
        scroll_area.setWindowTitle(log_title)
        scroll_area.verticalScrollBar().setValue(
            scroll_area.verticalScrollBar().maximum())
        scroll_area.horizontalScrollBar().setValue(
            scroll_area.horizontalScrollBar().maximum())
        scroll_area.verticalScrollBar().setSliderPosition(
            scroll_area.verticalScrollBar().maximum())
        scroll_area.horizontalScrollBar().setSliderPosition(
            scroll_area.horizontalScrollBar().maximum())
        scroll_area.setWidget(text_edit)
        text_edit.scrollArea = scroll_area

        layout = QVBoxLayout()
        layout.addWidget(scroll_area)
        layout.setContentsMargins(0, 0, 0, 0)
        qdialog = QDialog(self)
        qdialog.setWindowTitle(log_title)
        qdialog.setLayout(layout)
        qdialog.show()


    #def save_to_hdf_started(self):
    #    QApplication.processEvents()
    #def save_to_hdf_finished(self):
    #    QApplication.processEvents()

    @Slot()
    def write_to_destinations(self):
        #disable signal
        #self.gui_frame.autopost_save.blockSignals(True)
        QApplication.processEvents()
        if self.autopost_epics:
            self.save_to_epics()
           
        QApplication.processEvents()
        if self.autopost_hdf:
            self.save_to_hdf()
           
        QApplication.processEvents()
        if self.autopost_elog:
            self.send_to_elog()
        QApplication.processEvents()
        #enable signal
        #self.gui_frame.autopost_save.blockSignals(False)


    def set_new_hdf_filename(self, time_in_seconds=None,
                             reanalysis_time_in_seconds=None):

        self.hdf_filename = (self.hdf_dest + self.add_date_to_path(
            time_in_seconds, reanalysis_time_in_seconds) + ".h5")


    def add_date_to_path(self, time_in_seconds=None,
                         reanalysis_time_in_seconds=None):

        if time_in_seconds is None:
            time_in_seconds = time.time()

        when = datetime.fromtimestamp(time_in_seconds)
        _date_label = when.strftime("%Y-%m-%d_%H:%M:%S")

        if reanalysis_time_in_seconds is not None:
            now = datetime.fromtimestamp(reanalysis_time_in_seconds)
            _date_now = now.strftime("%Y-%m-%d_%H:%M:%S")
            _date_label += "_re" + _date_now
            _year = now.strftime("%Y")
            _month = now.strftime("%m")
            _day = now.strftime("%d")
        else:
            _year = when.strftime("%Y")
            _month = when.strftime("%m")
            _day = when.strftime("%d")

        if self.elog_add_date_to_dir:    
            return str(_year + "/" + _month + "/" + _day + "/" + self.appname +
                       "_" + _date_label)
        else:
            return str(self.appname + "_" + _date_label)


    def verify_save_to_hdf(self):
        """ To be called by user from save_to_hdf
        A return of True tells the user to continue to next step
        """
        if self.analysis_thread is not None:
            if self.analysis_thread.isRunning():
                _mess = ("Measurement in progress. " +
                         "Please try again in a few seconds.")

                QMessageBox.information(self, "HDF", _mess,
                                        QMessageBox.Ok)
                QApplication.processEvents()
                return False

        if self.hdf_thread is not None:
            if self.hdf_thread.isRunning():
                _mess = ("HDF analysis in progress. " +
                         "Please try again in a few seconds.")
                QMessageBox.information(self, "HDF", _mess,
                                        QMessageBox.Ok)
                QApplication.processEvents()
                return False

        if not self.daq_analysis_completed:
            QMessageBox.information(self, "HDF", (
                ("No data to save to hdf; no measurement undertaken!")),
                                    QMessageBox.Ok)
            QApplication.processEvents()
            return False


        if self.hdf_save_completed:
            _mess = "Data previously saved to hdf:\n{0}".format(
                self.hdf_filename)
            QMessageBox.information(self, "HDF", _mess,
                                    QMessageBox.Ok)
            QApplication.processEvents()
            return False

        return True


    def add_to_hdf(self,  dataH5=None, proc=True, raw=False):
        """ Abstract method to be overwritten by user. Optional.
        """
        
        '''
        QM = QMessageBox()
        QM.setText(
            str(NotImplementedError("add_to_hdf method has not been " +
                                    "implemented in this application. \n If " +
                                    "not required, consider removing the hdf" +
                                    "icon from the application/config file."))
            )
        QM.exec()
        '''
        return

    @Slot()
    def save_to_hdf(self):
        """ Abstract method to be overwritten by user
        """
        QM = QMessageBox()
        QM.setText(
            str(NotImplementedError("save_to_hdf method has not been " +
                                    "implemented in this application. \n" +
                                    "If not required, consider removing the " +
                                    "icon from the application/config file."))
            )
        QM.exec()


    def add_pvs_to_hdf(self, dataH5, top_group="experiment", pv_list=None,
                       from_hdf=False):

        isOK = True

        if not pv_list:
            return

        grp_data = dataH5.create_group(top_group)

        if from_hdf and top_group in self.all_data.keys():
            for key1 in self.all_data[top_group].keys():
                dt_name_top = key1 + "/"
                for key2, value in self.all_data[top_group][key1].items():
                    dt_name = dt_name_top + key2
                    try:
                        grp_data.create_dataset(dt_name, data=value[()])
                    except TypeError as err:
                        isOK = False
                        _mess = ("Error in saving to HDF ['{0}']['{1}']. " +
                                 "{2}").format(top_group, dt_name, str(err))              
                        print(_mess, flush=True)
                        self.trigger_log_message.emit(
                            MsgSeverity.WARN.name, _pymodule, _line(), _mess,
                            {})      
            return isOK
        
                                
        if from_hdf:
            return isOK

        self.cafe.attachContext(pv_list[0])
        for pv in pv_list:
            self.cafe.setGetActionWhenMonitorPolicy(
                pv, self.cyca.GET_FROM_CACHE)
        pv_dict = self.cafe.getDictionary(pv_list)[0]

        for key, value in pv_dict.items():
            k = key.split(":")
            if len(k) <= 1:
                k = key.split("-", 1)
            dt_name = k[0] + "/" + k[1]
            try:
                grp_data.create_dataset(dt_name, data=value)
            except TypeError as err:
                isOK = False
                _mess = ("Error in saving to HDF ['{0}']['{1}'] " +
                         "{2}").format(dt_name, top_group, str(err))               
                print(_mess, flush=True)
                self.trigger_log_message.emit(
                    MsgSeverity.WARN.name, _pymodule, _line(), _mess, {})    
        return isOK
           


    def add_general_to_hdf(self, dataH5):
        isOK = True
        user_dict = {}

        user_dict['Comment'] = self.hdf_dialog.user_dict[
            'Comment'] if self.hdf_dialog is not None else str(
                "HDF file generated via Save All button")

        user_dict['Author'] = self.author
        user_dict['Application'] = self.pymodule
        user_dict['Version'] = self.appversion
        #user_dict['Comment'] = comment if comment is not None else str(
        #    "HDF file generated via Save All button")
        user_dict['Filepath'] = self.source_file
        #user_dict['Process'] = os.getpid()
        #user_dict['UID'] = os.geteuid()
        user_dict['User'] = getpass.getuser()

        if self.all_data is not None:
            if 'Time in seconds' in self.all_data['Ambient data']:
                time_in_seconds = self.all_data['Ambient data']['Time in seconds']
                now = datetime.fromtimestamp(time_in_seconds)
            else:
                now = datetime.now()
        else:
            now = datetime.now()

        _date = now.strftime("%Y-%m-%d_%H:%M:%S")
        user_dict['Created'] = _date

        grp_data = dataH5.create_group("general")
        for key in user_dict:
            lowkey = key.lower()
            try:
                grp_data.create_dataset(lowkey.replace(' ', '_'),
                                        data=user_dict[key])
            except TypeError as err:
                isOK = False
                _mess = ("Error in saving to HDF ['general']['{0}']. " +
                         "{1}").format(key, str(err))
                print(_mess, flush=True)
                self.trigger_log_message.emit(
                    MsgSeverity.WARN.name, _pymodule, _line(), _mess, {})   
        return isOK
            

    @Slot()
    def save_to_hdf_dialog(self):
        """ This uses the widget interface to allow the user to enter
        additional meta-data
        """
       
        if not self.verify_save_to_hdf():
            return False

        input_options = OrderedDict()

        if self.all_data is not None:
            
            ts_in_seconds = self.all_data['Ambient data']['Time in seconds']
            now_in_seconds = None
            if 'Reanalysis time in seconds' in self.all_data['Processed data']:
                if self.all_data['Processed data']['Reanalysis time']:
                    now_in_seconds = self.all_data['Processed data'][
                        'Reanalysis time in seconds']
            self.set_new_hdf_filename(ts_in_seconds, now_in_seconds)

            input_options['Destination'] = self.hdf_filename
            input_options['Time in seconds'] = self.all_data['Ambient data'][
                'Time in seconds']

        self.hdf_dialog = QSaveHDF(self, input_options=input_options,
                                   from_dialog=True)
       

    def verify_send_to_elog(self):
       
        if self.analysis_thread is not None:
            if self.analysis_thread.isRunning():
                _mess = ("Measurement in progress. " +
                         "Please try again in a few seconds.")
                QMessageBox.information(self, "ELOG", _mess,
                                        QMessageBox.Ok)
                return False

        if not self.daq_analysis_completed:
            _mess = ("Opening ELOG, but please note that no new measurement " +
                     "has been undertaken")
            QMessageBox.information(self, "ELOG", _mess,
                                    QMessageBox.Ok)
            return True

        if self.save_hdf_thread is not None:
            if self.save_hdf_thread.isRunning():
                return True

        if not self.hdf_save_completed and not self.from_hdf:
            _mess = ("Opening ELOG, but please note that data have not " +
                     "been saved to HDF. " +
                     "<br>Click on the HDF icon to do this if desired")
            QMessageBox.information(self, "ELOG", _mess, QMessageBox.Ok)
            return True

        return True

    @Slot()
    def send_to_elog(self):
        """ Response to elog_action; normally overwritten
        """
        if not self.verify_send_to_elog():
           return
        '''
        if self.analysis_thread is not None:
            if self.analysis_thread.isRunning():
                _mess = ("Measurement in progress. " +
                         "Please try again in a few seconds.")
                QMessageBox.information(self, "ELOG", _mess,
                                        QMessageBox.Ok)

                return
        '''

        #_elog_sf = ElogSwissFEL()
        _logbook = None
        _category_idx = 0 #_elog_sf.category.MEASUREMENT=1
        _domain_idx = 0 #_elog_sf.system.NONE
        _section_idx = 0 #_elog_sf.system.BEAMDYNAMICS=1
        _attach_files = []
        _message = ""

        
        QSendToELOG(self, logbook=_logbook, categoryIdx=_category_idx,
                    domainIdx=_domain_idx, sectionIdx=_section_idx,
                    title=self.title, message=_message,
                    attachFile=_attach_files)
        QApplication.processEvents()


    def initiate_cycling(self, pv_list=[]):
        if not pv_list:
            return False

        pv_cycle_quads = [s for s in pv_list if s.endswith("CYCLE")]
        print("Initiate Cycle_quads", pv_cycle_quads)

        if pv_cycle_quads != pv_list:
            for quad in pv_list:
                if "CYCLE" not in quad:
                    _mess = "Wrong PV name for cycling! pv = {0}".format(quad)
                    self.show_log_message(MsgSeverity.ERROR, _pymodule, _line(),
                                          _mess)
                    self.statusbar.showMessage(_mess)

        if not pv_cycle_quads:
            return False

        if not self.input_parameters['simulation']:
            pv_cycle_value = [2] * len(pv_cycle_quads)
            status, status_list = self.cafe.setScalarList(pv_cycle_quads,
                                                          pv_cycle_value)
            if status != self.cyca.ICAFE_NORMAL:
                self.send_to_log_window(pv_list=pv_cycle_quads, status=status,
                                        status_list=status_list,
                                        operation='set', pymodule=_pymodule,
                                        line=_line())

        return True

    def is_cycling(self, pv_cycle_quads=[]):
        if pv_cycle_quads:
            value_list, _status, _status_list = self.cafe.getScalarList(
                pv_cycle_quads, dt='native')
            if _status != self.cyca.ICAFE_NORMAL:
                self.send_to_log_window(pv_list=pv_cycle_quads, status=_status,
                                        status_list=_status_list,
                                        operation='get', pymodule=_pymodule,
                                        line=_line())
            if "Cycling" in value_list:
            #    _mess = ("Presently cycling quads. " +
            #             "\nPlease try again in a few seconds")
            #    QMessageBox.information(self, "Verification", _mess,
            #                            QMessageBox.Ok)
                return True
        return False

    def wait_for_cycling(self, deflector, profile_monitor, pv_cycle_quads=[],
                         timeout=30):
        if not pv_cycle_quads:
            return

        start = time.time()

        while self.is_cycling(pv_cycle_quads):
            time.sleep(0.005)
            QApplication.processEvents()
            if time.time()-start > timeout:
                _mess = ("Timeout ({0}s) reached for Cycling. " +
                         "\nPlease check set points for " +
                         "\nDeflector: {1} " +
                         "\nProfile Monitor: {2}").format(
                             timeout, deflector, profile_monitor)

                qm = QMessageBox()
                qm.warning(self, "Set Optics", _mess, QMessageBox.Ok)
                break


    @Slot()
    def set_optics(self):
        """ Abstract method to be overwritten by user
        """
        QM = QMessageBox()
        QM.setText(
            str(NotImplementedError("set_optics method has not been " +
                                    "implemented in this application. \n"))
            )
        QM.exec()

    @Slot()
    def restore_optics(self):
        """ Abstract method to be overwritten by user
        """
        QM = QMessageBox()
        QM.setText(
            str(NotImplementedError("restore_optics method has not been " +
                                    "implemented in this application. \n"))
            )
        QM.exec()


    def verify_save_to_epics(self):
        """ To be called by user from save_to_epics
        """
        if self.all_data:
            #Data from hdf analysis - do not save to epics
            if 'Reanalysis time' in self.all_data['Processed data']:
                if self.all_data['Processed data']['Reanalysis time']:
                    print("HDF RUN - data not written to epics")
                    return False
            if self.all_data['Input data']['simulation']:
                return False
        else:
            if self.input_parameters['simulation']:
                return False

        if self.analysis_thread is not None:
            if self.analysis_thread.isRunning():
                _mess = ("Measurement in progress. " +
                         "Please try again in a few seconds.")
                QMessageBox.information(self, "EPICS", _mess,
                                        QMessageBox.Ok)

                QApplication.processEvents()
                return False

        if not self.all_data:
            _mess = "No data to save to epics: data dictionary is empty!"
            QMessageBox.information(self, "EPICS", _mess,
                                    QMessageBox.Ok)
            QApplication.processEvents()
            return False

        if not self.daq_analysis_completed:
            _mess = "No data to save to epics; no measurement undertaken!!"
            QMessageBox.information(self, "EPICS", _mess,
                                    QMessageBox.Ok)
            QApplication.processEvents()
            return False

        return True

    def save_to_epics(self):
        """ Abstract method to be overwritten by user
        """

        QM = QMessageBox()
        QM.setText(
            str(NotImplementedError("save_to_epics method has not been " +
                                    "implemented in this application. \n" +
                                    "If not required, consider removing the " +
                                    "icon from the application/config file."))
            )
        QM.exec()


    def send_to_log_window(self, pv_list: list = [], status: int = 1,
                           status_list: list = [], operation: str = 'set/get',
                           pymodule=_pymodule, line: int = _line()):
        if status != self.cyca.ICAFE_NORMAL:
            ibad = 0
            for _status, _pv in zip(status_list, pv_list):
                if _status != self.cyca.ICAFE_NORMAL:
                    ibad += 1
                    _mess = "Error in '{1}' for pv {0}.".format(_pv, operation)
                    _options = {}
                    _options['statusCode'] = "{0} {1}".format(
                        str(_status), self.cafe.getStatusCodeAsString(_status))
                    _options['statusInfo'] = self.cafe.getStatusInfo(_status)
                    self.show_log_message(MsgSeverity.ERROR, pymodule, line,
                                          _mess, _options)
            _mess = ("{0} of the {1} PV operations resulted in an error. " +
                     "See Log window").format(ibad, len(status_list))
            self.statusbar.showMessage(_mess)


    def send_to_epics(self, pv_dict: dict = None, pv_names: list = None,
                      pv_values: list = None) -> (int, list):


        if pv_dict is not None:
            pv_values = []
            pv_names = list(pv_dict.keys())
            for val in pv_dict.values():
                if isinstance(val, np.ndarray):
                    pv_values.append(val.tolist())
                else:
                    pv_values.append(val)
            print("SAVE TO EPICS", flush=True)
            print(pv_names, flush=True)
            print(pv_values, flush=True)
        else:
            if len(pv_names) != len(pv_values):
                _mess = ("len(pv_values)={0} does not match " +
                         "len(pv_names)={1}").format(len(pv_values),
                                                     len(pv_names))

                self.show_log_message(MsgSeverity.ERROR, _pymodule, _line(),
                                      _mess)
                self.statusbar.showMessage(_mess)
                return

        self.cafe.openPrepare()
        self.cafe.open(pv_names)
        self.cafe.openNowAndWait(0.4)

        status = self.cyca.ICAFE_NORMAL
        status_list = []
        try:
            status, status_list = self.cafe.setCompoundList(pv_names, pv_values)
        except:
            print("Exception raised in cafe.setCompoundList", flush=True)
            status = self.cyca.ECAFE_BADTYPE
            for pv, val in zip(pv_names, pv_values):
                print("pv/val", pv, val, flush=True)
                status_list.append(self.ECAFE_BADTYPE)
                

        if status != self.cyca.ICAFE_NORMAL:
            ibad = 0
            for _status, _pv in zip(status_list, pv_names):
                if _status != self.cyca.ICAFE_NORMAL:
                    ibad += 1
                    _mess = "Error in 'set' for pv {0}.".format(_pv)
                    _options = {}
                    _options['statusCode'] = "{0} {1}".format(
                        str(_status), self.cafe.getStatusCodeAsString(_status))
                    _options['statusInfo'] = self.cafe.getStatusInfo(_status)
                    self.show_log_message(MsgSeverity.ERROR, _pymodule,
                                          _line(), _mess, _options)
            _mess = ("{0} of the {1} PVs could not be set. " +
                     "See Log window").format(ibad, len(status_list))
            self.statusbar.showMessage(_mess)
            QMessageBox.warning(self, _pymodule, _mess, QMessageBox.Ok)
        else:
            _mess = "Data saved to epics successully"
            self.show_log_message(MsgSeverity.INFO, _pymodule, _line(), _mess)
            self.statusbar.showMessage(_mess)

        return status, status_list

    @Slot()
    def send_to_printer(self):
        """ Response to printer_action
        """
        self.printer = QPrinter(QPrinter.HighResolution)
        self.printer.setPaperSize(QPrinter.A4)
        self.printer.setOrientation(QPrinter.Landscape)
        form = QPrintDialog(self.printer, self)
        if form.exec_():
            painter = QPainter(self.printer)
            w = self.centralWidget()
            xscale = self.printer.pageRect().width() / (w.width())
            yscale = self.printer.pageRect().height() / (w.height())
            scale = min(xscale, yscale)
            painter.translate(self.printer.paperRect().x() +
                              self.printer.pageRect().width() / 2,
                              self.printer.paperRect().y() +
                              self.printer.pageRect().height() / 2)
            painter.scale(scale, scale)
            painter.translate(-w.width()/2, -w.height()/2)
            w.render(painter)

    @Slot()
    def show_about(self):
        """ To overide by application
        """
        QApplication.processEvents()
        QMessageBox.about(
            self, "About",
            """<b>{0}</b> v {1}
            <p>Copyright &copy; Paul Scherrer Institut (PSI).
            All rights reserved.</p>
            <p>Author: J. Chrin </p>
            <p>1st Responsible: J. Chrin, Tel. 2930,
            +41 76 206 0988, jan.chrin@psi.ch </p>
            <p>2nd Responsible: 2nd name if appropriate </p>
            <p>A main-window style application with menus,
            a status bar, a toolbar and log window </p>
            <p>Python {2} - Qt {3} - PyQt {4} <br>
            cafe {5} - epics {6} on {7}""".format(
                _pymodule, _appversion, platform.python_version(),
                QT_VERSION_STR, PYQT_VERSION_STR,
                self.cafe.CAFE_version(), self.cafe.EPICS_version(),
                platform.system()))
        QApplication.processEvents()

    @Slot()
    def show_help(self):
        """ Invoke help pages from qrc_resources
        """
        index_html = self.appname + "/index.html"
        help_base = ":/help/" + self.appname
        help_page = HelpBrowser(help_base, index_html, self)
        help_page.show()

    @Slot()
    def take_screenshot(self):
        QScreenshot(self, window_title=self.appname,
                    screen_items=self.screenshot_items,
                    screen_titles=self.screenshot_titles)

    def add_screenshot(self, title=None, item=None):
        if title and item:
            if title not in self.screenshot_titles and \
               item not in self.screenshot_items:
                self.screenshot_titles.append(title)
                self.screenshot_items.append(item)

    def clear_screenshot(self, title=None, item=None):
        if title and item:
            if title in self.screenshot_titles and \
               item in self.screenshot_items:
                self.screenshot_titles.remove(title)
                self.screenshot_items.remove(item)
        else:
            self.screenshot_titles.clear()
            self.screenshot_items.clear()

    ############################### Init
    def init_statusbar_wgt(self):
        """ Configure statusbar
        """
        self.statusbar_label.setFrameStyle(QFrame.StyledPanel | QFrame.Sunken)
        self.statusbar.setSizeGripEnabled(False)
        self.statusbar.addPermanentWidget(self.statusbar_label)
        self.statusbar.clearMessage()
        self.statusbar.showMessage("Initialization complete")

    def init_progressbar_wgt(self):
        self.progressbar_simulation = "simulation"
        self.progressbar_standard = "blue"
        self.progressbar_abort = "abort"
        self.progressbar_color = self.progressbar_standard
        self.progressbar.setObjectName(self.progressbar_color)
        self.progressbar.setRange(PROGRESS_THREAD_START,
                                  PROGRESS_THREAD_END)
        self.progressbar.setTextVisible(True)
        self.progressbar.setAlignment(Qt.AlignCenter)
        self.progressbar.setVisible(False)

    def init_hdf_analysis_wgt(self):
        self.h5_groupbox = HDF5GroupBox(self, title="HDF5 Analysis",
                                        layout="Hor")
        self.hdf_dock_widget.setObjectName("hdfDockWidget")
        self.hdf_dock_widget.setVisible(False)
        #hdfDockWidget.setFloating(True)
        self.hdf_dock_widget.setContentsMargins(9, 9, 9, 9)
        self.h5_groupbox.analyze_h5_widget.clicked.connect(
            self.start_hdf_thread)
        self.hdf_dock_widget.setWidget(self.h5_groupbox)
        self.addDockWidget(Qt.TopDockWidgetArea, self.hdf_dock_widget)

    def restore_application_settings(self):
        """ Restore platform-independent application settings
        """
        qsettings = QSettings()
        if qsettings.value("RecentFiles"):
            self.application_recent_files = str(
                qsettings.value("RecentFiles")).split(',')
        if qsettings.value("BaseWindow/Geometry"):
            self.restoreGeometry(qsettings.value("BaseWindow/Geometry"))
        if qsettings.value("BaseWindow/State"):
            self.restoreState(qsettings.value("BaseWindow/State"))
        self.application_geometry = self.geometry()

    def save_application_settings(self):
        """ Save platform-independent application settings
        """
        settings = QSettings()
        if self.filename:
            settings.setValue("LastFile", str(self.filename))
        if self.application_recent_files:
            recent_files = ', '.join(self.application_recent_files)
            settings.setValue("RecentFiles", (recent_files))
        settings.setValue("BaseWindow/Geometry", (self.saveGeometry()))
        settings.setValue("BaseWindow/State", (self.saveState()))

    #To be overloaded by user
    def load_hdf_file(self):
        """ load_hdf5 file into analysis dictionary
        """
        return {}

    @Slot()
    def start_hdf_thread(self):
        """ Start hdf re-analysis thread
        """
        if not self.analysis_procedure:
            mess = "HDF analysis thread not configured for this application"
            self.show_log_message(MsgSeverity.ERROR, _pymodule, _line(), mess)
            self.statusbar.showMessage(mess)
            return

        if self.analysis_thread:
            if self.analysis_thread.isRunning():
                _mess = ("Measurement already in progress.")
                QMessageBox.information(self, "Measurement in progress..",
                                        _mess, QMessageBox.Ok)
                return

        if self.hdf_thread:
            if self.hdf_thread.isRunning():
                _mess = ("HDF analysis already in progress.")
                QMessageBox.information(self, "HDF analysis in progress..",
                                        _mess, QMessageBox.Ok)
                return

        #self.hdf_thread_started()
        self.statusbar.showMessage("Loading {0}".format(
            self.hdf_filename_loaded))
        self.trigger_progressbar_str.emit(
            5, "Loading HDF file for analysis")
        #Fill all data from HDF file
        ###hdf_all_data = self.load_hdf_file()

        ###if not hdf_all_data:
        ###    self.hdf_thread_finished()
        ###    return

        self.hdf_thread = self.HDFThread(
            self, self.analysis_procedure, all_data=None) #=hdf_all_data
        self.hdf_thread.trigger_thread_event.connect(
            self.receive_analysis_results)
        #procedure moved above
        self.hdf_thread.started.connect(self.hdf_thread_started)
        self.hdf_thread.finished.connect(self.hdf_thread_finished)

        self.hdf_thread.start()
        QApplication.processEvents()


    #To be overloaded by user
    def verify_analysis_preconditions(self):
        return True

    @Slot()
    def start_analysis_thread(self):
        '''Slot to  self.start_wgt button trigger in guiframe.py
        '''
        if not self.analysis_procedure:
            mess = "Analysis thread not configured for this application"
            self.show_log_message(MsgSeverity.ERROR, _pymodule, _line(), mess)
            self.statusbar.showMessage(mess)
            return

        if self.analysis_thread:
            if self.analysis_thread.isRunning():
                _mess = ("Measurement already in progress.")
                QMessageBox.information(self, "Measurement in progress..",
                                        _mess, QMessageBox.Ok)
                return

        if self.hdf_thread:
            if self.hdf_thread.isRunning():
                _mess = ("HDF analysis already in progress.")
                QMessageBox.information(self, "HDF analysis in progress..",
                                        _mess, QMessageBox.Ok)
                return

        if not self.verify_analysis_preconditions():
            return
   
      
        self.analysis_thread = self.AnalysisThread(
            self, self.analysis_procedure, self.input_parameters)
        
        self.analysis_thread.trigger_thread_event.connect(
            self.receive_analysis_results)

        self.analysis_thread.started.connect(self.analysis_thread_started)
        self.analysis_thread.finished.connect(self.analysis_thread_finished)

       
        self.analysis_thread.start()
        QApplication.processEvents()

   
    @Slot()
    def analysis_thread_started(self):
        """ Change state of widgets when measuring
        """
        self.gui_frame.in_measurement_procedure()
        QApplication.processEvents()
        #print("Thread Started")

    @Slot()
    def analysis_thread_finished(self):
        """ Reset widgets to intial pre-measurement state
        """
        self.gui_frame.reset_procedure()
        QApplication.processEvents()
        #print("Thread Finished")

    @Slot()
    def hdf_thread_started(self):
        """ Change state of widgets when measuring
        """
        self.gui_frame.in_hdf_measurement_procedure()
        QApplication.processEvents()
       

    @Slot()
    def hdf_thread_finished(self):
        """ Reset widgets to intial pre-measurement state
        """
        self.gui_frame.hdf_reset_procedure()
        QApplication.processEvents()
        #print("Thread Finished")


    @Slot(dict)
    def receive_analysis_results(self, all_dict):
        self.all_data = all_dict
        print("self.all_data", self.all_data.keys(), flush=True)
      
        self.gui_frame.canvas_update(all_dict['Figure data'])
       
        if self.gui_frame.results_output_wgt_dict:
            #all_dict['Processed data']['Results']={}
            #all_dict['Processed data']['Results']['mean'] = 123.23 
            #all_dict['Processed data']['Results']['SD'] = 0.23 
            try:
                results_data = all_dict['Processed data']['Results']
                self.gui_frame.send_to_results_output_wgt(results_data)
            except:
                pass
      
        #print("IDX+++", self.gui_frame.central_tab_widget.indexOf('Emittance'), flush=True)
        #print("IDX+++", self.gui_frame.level2_tab_wgt[0].indexOf('Plots'))
        #self.gui_frame.central_tab_widget.setCurrentIndex(1)
       
        self.gui_frame.results_tab_wgt.setCurrentIndex(0)   
      
        if "GUITree" in self.settings.data:

            #for j in range(len(self.gui_frame.level1_tab_wgt)):
            j = self.gui_frame.central_tab_widget.currentIndex()
            for i in range(self.gui_frame.level1_tab_wgt[j].count()): 
                print(j, i, self.gui_frame.level1_tab_wgt[j].tabText(i), flush=True)
                if self.gui_frame.level1_tab_wgt[j].tabText(i) == "Plots":
                    self.gui_frame.level1_tab_wgt[j].setCurrentIndex(i)
                else:
                    pass
        else:
              
            for i in range(self.gui_frame.central_tab_widget.count()):
                print(i, self.gui_frame.central_tab_widget.tabText(i), flush=True)
                if self.gui_frame.central_tab_widget.tabText(i) == "Plots":
                    self.gui_frame.central_tab_widget.setCurrentIndex(i)
                else:
                    pass

            for i in range(self.gui_frame.measurement_tab_wgt.count()):
                print(i, self.gui_frame.measurement_tab_wgt.tabText(i), flush=True)
                if self.gui_frame.measurement_tab_wgt.tabText(i) == "Plots":
                    self.gui_frame.measurement_tab_wgt.setCurrentIndex(i)
                else:
                    pass       

            for i in range(self.gui_frame.results_tab_wgt.count()):
                print(i, self.gui_frame.results_tab_wgt.tabText(i), flush=True)
                if self.gui_frame.results_tab_wgt.tabText(i) == "Plots":
                    self.gui_frame.results_tab_wgt.setCurrentIndex(i)
                else:
                    pass   

        print("receive_analysis_results=========================>", flush=True)  

    @Slot()
    def receive_abort_analysis(self):
        """Instantiate action on abort
        """
        if self.analysis_procedure.abort:
            return
        self.gui_frame.in_abort_procedure()
        # Trigger abort signal to the analysis thread
        self.analysis_procedure.trigger_abort.emit()
        #self.trigger_progressbar.emit(PROGRESS_THREAD_ABORTING)
        QApplication.processEvents()


    @Slot(str, str, int, str, dict)
    def receive_log_message(self, severity, module, line, message, options={}):
        '''Receive message from thread for routing to log window'''

        self.show_log_message(severity, module, line, message, options)
        self.statusbar.showMessage(message)

    @Slot(int)
    @Slot(int, str)
    def receive_progressbar(self, value=0,
                            message="Measurement in progress..."):
        '''Receives update of message'''
        self.progressbar.setVisible(True)
        try:
            if self.input_parameters["simulation"] :
                self.progressbar_color = self.progressbar_simulation
        except KeyError:
            pass

        if value == PROGRESS_THREAD_INIT:
            self.progressbar.setVisible(False)
            self.progressbar.setFormat("")
            self.progressbar.reset()
            self.progressbar.setObjectName(self.progressbar_color)
            self.statusbar.clearMessage()
        elif value == PROGRESS_THREAD_START:
            self.statusbar.clearMessage()
            self.progressbar.setFormat("Measurement started")
            self.progressbar.setValue(value)
            self.progressbar.setObjectName(self.progressbar_color)
            self.daq_analysis_completed = False
        elif value == PROGRESS_THREAD_ABORTING:
            self.progressbar.setFormat(
                "Aborting procedure at the next available break point")
            self.progressbar.setObjectName(self.progressbar_abort)
            prog_val = re.findall(r'\d+', message)
            if prog_val:
                self.progressbar.setValue(int(prog_val[0]))
            else:
                self.progressbar.setValue(int(10))
            mess = "Aborting measurement procedure"
            self.show_log_message(
                MsgSeverity.WARN.name, _pymodule, _line(), mess)
            #self.statusbar.showMessage(mess)
        elif value == PROGRESS_THREAD_ABORTED:
            self.progressbar.setFormat("Procedure aborted")
            self.progressbar.setObjectName(self.progressbar_abort)
            mess = "Measurement procedure aborted"
            self.show_log_message(
                MsgSeverity.WARN.name, _pymodule, _line(), mess)
            self.statusbar.showMessage(mess)
            self.daq_analysis_completed = False
            QTimer.singleShot(2000, lambda: self.trigger_progressbar.emit(
                PROGRESS_THREAD_INIT))
        elif value == PROGRESS_THREAD_ERROR:
            mess = "Error in Thread. No data returned! See Log window"
            self.progressbar.setFormat(mess)
            self.progressbar.setObjectName(self.progressbar_abort)
            self.statusbar.showMessage(mess)
            QTimer.singleShot(10000, lambda: self.trigger_progressbar.emit(
                PROGRESS_THREAD_INIT))
        elif value == PROGRESS_THREAD_END:
            self.progressbar.setFormat("Measurement completed")
            self.progressbar.setValue(value)
            self.progressbar.setObjectName(self.progressbar_color)
            self.daq_analysis_completed = True
            if self.autopost_hdf:
                self.hdf_save_completed = False  
            QTimer.singleShot(2000, lambda: self.progressbar.setVisible(False))
        else:
            self.progressbar.setFormat(message)
            self.progressbar.setValue(value)
            self.progressbar.setObjectName(self.progressbar_color)

        self.progressbar.style().polish(self.progressbar)
        QApplication.processEvents()
        time.sleep(0.0001)
      

    def initialize_application(self, appname=_appname, delay=None,
                               facility=Facility.SwissFEL):
        """
        Initialize application configuration for use by QSettings.
        Loads application stylesheet from qrc_resources or input file
        These are saved into $HOME/.config
        e.g., $HOME/.config/<facility>/appname.conf
        Provide QSplashScreen if delay is set.
        """

        self.splash_appname = appname

        if facility == Facility.SwissFEL:
            from pyqtacc.qrc_resources.facility.sf.pyrcc5 import qrc_resources
            print("FACILITY SwissFEL")
        elif facility == Facility.SLS:
            from pyqtacc.qrc_resources.facility.sls.pyrcc5 import qrc_resources
            print("FACILITY SLS")
        elif facility == Facility.HIPA:
            from pyqtacc.qrc_resources.facility.hipa.pyrcc5 import qrc_resources
            print("FACILITY HIPA")
        elif facility == Facility.PROSCAN:
            from pyqtacc.qrc_resources.facility.proscan.pyrcc5 import qrc_resources
            print("FACILITY PROSCAN")
        elif facility == Facility.ESS:
            from pyqtacc.qrc_resources.facility.ess.pyrcc5 import qrc_resources
            print("FACILITY ESS")     
        else:
            print("Unknown Facility; assuming SLS")
            from pyqtacc.qrc_resources.facility.sls.pyrcc5 import qrc_resources

        self.setStyle("motif")
        self.setOrganizationName(facility.name)
        self.setOrganizationDomain("psi.ch")
        self.setApplicationName(appname)
        self.setWindowIcon(QIcon(":/icon.png"))

        parser = argparse.ArgumentParser(description="stylesheet")
        parser.add_argument("-q", "--qss", action="store", dest="qss")
        parser.add_argument("-s", "--style")
        parser.add_argument("-f", "--facility")
        parser.add_argument("-u", "--user")
        #result, unknown = parser.parse_known_args(["--qss", ":/sfop.qss"])
        #result, unknown = parser.parse_known_args(["--qss", ":/sfop.qss",
        #"-c", "--facility", "--user"])
        #print(result)
        #print(unknown)
        result = parser.parse_args()
        if result.qss:
            print("qss file {0} supplied by user".format(result.qss))
        qss_file = result.qss if result.qss else ":/acc.qss"

        qss = QFile(qss_file)

        if qss.open(QIODevice.ReadOnly):
            fByteArray = qss.readAll()
            self.setStyleSheet(str(fByteArray.data(), encoding='utf-8'))
            qss.close()
        else:
            print("COULD NOT OPEN {0} stylesheet".format(qss_file))
            exit(1)

        if delay is not None:
            delay = max(delay, 5)

            self.splash_screen = QSplashScreen(QPixmap(":/loading.gif"))

            self.splash_screen.setAttribute(Qt.WA_TranslucentBackground, False)
            self.splash_screen.setWindowFlags(Qt.WindowStaysOnTopHint)
            self.splash_screen.showMessage(
                """
                <br><p style='color:black; font-weight:bold;
                font-size:28px; margin-right:10px;'>
                LOADING APPLICATION:
                <font color=royalblue > {0} </font> </p>
                <p style='color:black; font-weight:bold;
                font-size:20px; margin-right:22px;'>
                This message will self-destruct in {1} seconds<br></p>
                """.format(appname, round(delay)),
                Qt.AlignmentFlag(Qt.AlignCenter|Qt.AlignTop))
            width = 860 + (len(appname)-10)*15
            height = 220
            self.splash_screen.resize(width, height)

            #Maybe useful at some point
            #pSplashNotice = QCheckBox(self.splash_screen);
            #pSplashNotice.setChecked(Qt.Checked)


            self.splash_progressbar = QProgressBar(self.splash_screen)
            self.splash_timer = QTimer()
            self.splash_screen.show()


            # Custom progress bar stylesheet
            progressbar_stylesheet = """
            QProgressBar:horizontal {
            border: 1px solid royalblue;
            background: white;
            padding: 1px;
            }
            QProgressBar::chunk:horizontal {
            background-color: qlineargradient(spread: pad, x1: 1, y1: 0.5, 
            x2: 0, y2: 0.5, stop: 0 royalblue, stop: 1 white);
            }
            """
            self.splash_progressbar.setStyleSheet(progressbar_stylesheet)
            self.splash_progressbar.setGeometry(
                10, self.splash_screen.height() - 40,
                self.splash_screen.width() - 20, 30)

            start1 = time.time()

            def show_time():
                now = time.time()
                val = (now-start1)*100/delay
                val = 5 * round(val/5)
                int_seconds_remaining = int(delay - (now-start1))
                seconds_remaining = '{:2d}'.format(int_seconds_remaining)
                self.splash_progressbar.setValue(val)
                self.processEvents()
                self.flush()
                sec_str = "s" if abs(int_seconds_remaining) != 1 else ""
                mess = """
                <br><p style='color:black; font-weight:bold;
                font-size:28px; margin-right:10px;'>
                LOADING APPLICATION:
                <font color=royalblue > {0} </font> </p>
                <p style='color:black; font-weight:bold;
                font-size:20px; margin-left:120px; margin-right:2px;'>
                {1:>2} second{2} remaining<br></p>
                """.format(self.splash_appname, seconds_remaining, sec_str)

                self.splash_screen.showMessage(
                    mess, Qt.AlignmentFlag(Qt.AlignCenter|Qt.AlignTop))
                self.processEvents()
                #print(val, seconds_remaining)

            self.splash_timer.timeout.connect(show_time)
            self.splash_timer.start(200) #ms with 10 samples per sec.

        return self.splash_screen


    def initialize_finished(self, myapp):
        self.splash_timer.stop()
        self.splash_progressbar.setValue(100)
        time.sleep(0.4)
        #app.processEvents()
        self.splash_screen.showMessage(
            """
            <br><p style='color:black; font-weight:bold;
            font-size:28px; margin-right:10px;'>
            LOADING APPLICATION:
            <font color=royalblue > {0} </font> </p>
            <p style='color:black; font-weight:bold;
            font-size:20px; margin-left:120px; margin-right:2px;'>
            Ready.... &nbsp;  &nbsp;  &nbsp; &nbsp;
            &nbsp; &nbsp; &nbsp;  &nbsp;  &nbsp;  &nbsp;
            <br></p>
            """.format(self.splash_appname),
            Qt.AlignmentFlag(Qt.AlignCenter | Qt.AlignTop))
        self.splash_screen.finish(myapp)



    def check_status_list(self,  pymodule: str = _pymodule, 
                          operation: str = "channel access",
                          pv_list: list = None, status_list: list = None,
                          line: int = _line()):
        
        if pv_list is None:
            return

        check_stat = False
        if status_list is None:
            check_stat = True    
        elif None in status_list:
            check_stat = True
        if check_stat:
            for i, (pv, stat) in enumerate(zip(pv_list, status_list)):
                if stat is None:
                    status_list[i] = self.cafe.getStatus(pv)
                    

        brk = ("------------------------------------------------------" +
               "------------------------------------------------------")
        self.trigger_log_message.emit(
            MsgSeverity.INFO.name, pymodule, line, brk, {})

        options = {}

        for i, (pv, stat) in enumerate(zip(pv_list, status_list)):
            if stat != self.cyca.ICAFE_NORMAL:
                mess = "Error in '{0}' for element [{1}], {2}.".format(
                    operation, i, pv)
                options['statusCode'] = (
                    str(stat) + " " +
                    self.cafe.getStatusCodeAsString(stat))
                options['statusInfo'] = self.cafe.getStatusInfo(stat)

                self.trigger_log_message.emit(
                    MsgSeverity.WARN.name, pymodule, line, mess, options)

        self.trigger_log_message.emit(
            MsgSeverity.INFO.name, pymodule, line, brk, {})

        mess = ("The following devices reported an error " +
                "in channel access operation:")
        self.trigger_log_message.emit(
            MsgSeverity.INFO.name, pymodule, line, mess, {})

        return status_list


    def check_status(self, pymodule: str = _pymodule, 
                     operation: str = "channel access",
                     pv: str = None, stat: int = None, 
                     line: int =_line()):

        if not pv:
            return
        if stat == None:
            stat = self.cafe.getStatus(pv)

        if stat != self.cyca.ICAFE_NORMAL:
            mess = "Error in '{0}' for {1}.".format(operation, pv)
            options = {}
            options['statusCode'] = (
                str(stat) + " " +
                self.cafe.getStatusCodeAsString(stat))
            options['statusInfo'] = self.cafe.getStatusInfo(stat)
            self.trigger_log_message.emit(
                MsgSeverity.WARN.name, pymodule, line, mess, options)

        return stat