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midvsettingsdialog.py
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midvsettingsdialog.py
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# -*- coding: utf-8 -*-
"""
/***************************************************************************
midvsettingsdialog
A part of the QGIS plugin Midvatten
This part of the plugin handles the user interaction with midvsettingsdock and propagates any changes to midvattensettings
-------------------
begin : 2011-10-18
copyright : (C) 2011 by joskal
email : groundwatergis [at] gmail.com
***************************************************************************/"""
import ast
import os.path
from builtins import object
from builtins import str
from functools import partial # only to get combobox signals to work
import qgis.PyQt
from qgis.PyQt import uic, QtCore
from qgis.PyQt.QtCore import QCoreApplication, Qt
from qgis.PyQt.QtWidgets import QComboBox, QDockWidget, QFileDialog
from midvatten.tools.utils import common_utils, gui_utils, db_utils
from midvatten.tools.utils.common_utils import returnunicode as ru
from midvatten.tools.utils.midvatten_utils import warn_about_old_database
#from ui.midvsettingsdock_ui import Ui_MidDockSettings
midvsettingsdock_ui_class = uic.loadUiType(os.path.join(os.path.dirname(__file__),'ui', 'midvsettingsdock.ui'))[0]
class midvsettingsdialogdock(QDockWidget, midvsettingsdock_ui_class): #THE CLASS IS ONLY TO DEAL WITH THE SETTINGS DIALOG
def __init__(self, parent,iface,msettings):
self.parent = parent
self.iface=iface
#midvsettings instance
self.ms = msettings
self.ms.loadSettings()
#initiate the dockwidget
QDockWidget.__init__(self, self.parent)
self.setAttribute(Qt.WA_DeleteOnClose)
self.setupUi( self )#Required by Qt4 to initialize the UI
self.initUI()
def initUI(self):
# The settings dialog is cleared, filled with relevant information and the last selected settings are preset
self.database_settings = DatabaseSettings(self, self.gridLayout_db)
self.ClearEverything()
self.MarkerComboBox.addItems(['obsid', 'type', 'date_time', 'obsid but no legend', 'simple marker'])
if len(self.ms.settingsdict['database'])>0:
self.LoadAndSelectLastSettings()
#Load general settings
#self.load_and_select_general_settings() # TODO: remove in version 1.4
# SIGNALS
#move dockwidget
self.dockLocationChanged.connect(self.set_location)
#tab TS
self.ListOfTables.currentIndexChanged.connect(partial(self.TSTableUpdated))
self.ListOfColumns.currentIndexChanged.connect(partial(self.ChangedListOfColumns))
self.checkBoxDataPoints.stateChanged.connect(self.ChangedCheckBoxDataPoints)
self.checkBoxStepPlot.stateChanged.connect(self.ChangedCheckBoxStepPlot)
#tab XY
self.ListOfTables_2.currentIndexChanged.connect(partial(self.XYTableUpdated))
self.ListOfColumns_2.currentIndexChanged.connect(partial(self.ChangedListOfColumns2))
self.ListOfColumns_3.currentIndexChanged.connect(partial(self.ChangedListOfColumns3))
self.ListOfColumns_4.currentIndexChanged.connect(partial(self.ChangedListOfColumns4))
self.ListOfColumns_5.currentIndexChanged.connect(partial(self.ChangedListOfColumns5))
self.checkBoxDataPoints_2.stateChanged.connect(self.ChangedCheckBoxDataPoints2)
#tab wqualreport
self.ListOfTables_WQUAL.currentIndexChanged.connect(partial(self.WQUALTableUpdated))
self.ListOfColumns_WQUALPARAM.currentIndexChanged.connect(partial(self.ChangedListOfColumnsWQualParam))
self.ListOfColumns_WQUALVALUE.currentIndexChanged.connect(partial(self.ChangedListOfColumnsWQualValue))
self.ListOfdate_time_format.currentIndexChanged.connect(partial(self.ChangedListOfdate_time_format))
self.ListOfColumns_WQUALUNIT.currentIndexChanged.connect(partial(self.ChangedListOfColumnsWQualUnit))
self.ListOfColumns_WQUALSORTING.currentIndexChanged.connect(partial(self.ChangedListOfColumnsWQualSorting))
#tab piper
self.paramCl.currentIndexChanged.connect(partial(self.ChangedParamCl))
self.paramHCO3.currentIndexChanged.connect(partial(self.ChangedParamHCO3))
self.paramSO4.currentIndexChanged.connect(partial(self.ChangedParamSO4))
self.paramNa.currentIndexChanged.connect(partial(self.ChangedParamNa))
self.paramK.currentIndexChanged.connect(partial(self.ChangedParamK))
self.paramCa.currentIndexChanged.connect(partial(self.ChangedParamCa))
self.paramMg.currentIndexChanged.connect(partial(self.ChangedParamMg))
self.MarkerComboBox.currentIndexChanged.connect(partial(self.ChangedPiperMarkerComboBox))
#Draw the widget
self.iface.addDockWidget(max(self.ms.settingsdict['settingslocation'],1), self)
self.iface.mapCanvas().setRenderFlag(True)
def ChangedCheckBoxDataPoints(self):
self.ms.settingsdict['tsdotmarkers']=self.checkBoxDataPoints.checkState()
self.ms.save_settings('tsdotmarkers')
def ChangedCheckBoxDataPoints2(self):
self.ms.settingsdict['xydotmarkers']=self.checkBoxDataPoints_2.checkState()
self.ms.save_settings('xydotmarkers')
def ChangedCheckBoxStepPlot(self):
self.ms.settingsdict['tsstepplot']=self.checkBoxStepPlot.checkState()
self.ms.save_settings('tsstepplot')
def ChangedListOfColumns(self):
self.ms.settingsdict['tscolumn']=self.ListOfColumns.currentText()
self.ms.save_settings('tscolumn')
def ChangedListOfColumns2(self):
self.ms.settingsdict['xy_xcolumn']=self.ListOfColumns_2.currentText()
self.ms.save_settings('xy_xcolumn')
def ChangedListOfColumns3(self):
self.ms.settingsdict['xy_y1column']=self.ListOfColumns_3.currentText()
self.ms.save_settings('xy_y1column')
def ChangedListOfColumns4(self):
self.ms.settingsdict['xy_y2column']=self.ListOfColumns_4.currentText()
self.ms.save_settings('xy_y2column')
def ChangedListOfColumns5(self):
self.ms.settingsdict['xy_y3column']=self.ListOfColumns_5.currentText()
self.ms.save_settings('xy_y3column')
def ChangedListOfColumnsWQualParam(self):
self.ms.settingsdict['wqual_paramcolumn']=self.ListOfColumns_WQUALPARAM.currentText()
self.ms.save_settings('wqual_paramcolumn')
def ChangedListOfColumnsWQualValue(self):
self.ms.settingsdict['wqual_valuecolumn']=self.ListOfColumns_WQUALVALUE.currentText()
self.ms.save_settings('wqual_valuecolumn')
def ChangedListOfColumnsWQualUnit(self):
self.ms.settingsdict['wqual_unitcolumn']=self.ListOfColumns_WQUALUNIT.currentText()
self.ms.save_settings('wqual_unitcolumn')
def ChangedListOfColumnsWQualSorting(self):
self.ms.settingsdict['wqual_sortingcolumn']=self.ListOfColumns_WQUALSORTING.currentText()
self.ms.save_settings('wqual_sortingcolumn')
def ChangedListOfdate_time_format(self):
self.ms.settingsdict['wqual_date_time_format']=self.ListOfdate_time_format.currentText()
self.ms.save_settings('wqual_date_time_format')
def ChangedParamCl(self):
self.ms.settingsdict['piper_cl']=self.paramCl.currentText()
self.ms.save_settings('piper_cl')
def ChangedParamHCO3(self):
self.ms.settingsdict['piper_hco3']=self.paramHCO3.currentText()
self.ms.save_settings('piper_hco3')
def ChangedParamSO4(self):
self.ms.settingsdict['piper_so4']=self.paramSO4.currentText()
self.ms.save_settings('piper_so4')
def ChangedParamNa(self):
self.ms.settingsdict['piper_na']=self.paramNa.currentText()
self.ms.save_settings('piper_na')
def ChangedParamK(self):
self.ms.settingsdict['piper_k']=self.paramK.currentText()
self.ms.save_settings('piper_k')
def ChangedParamCa(self):
self.ms.settingsdict['piper_ca']=self.paramCa.currentText()
self.ms.save_settings('piper_ca')
def ChangedParamMg(self):
self.ms.settingsdict['piper_mg']=self.paramMg.currentText()
self.ms.save_settings('piper_mg')
def ChangedPiperMarkerComboBox(self):
self.ms.settingsdict['piper_markers']=self.MarkerComboBox.currentText()
self.ms.save_settings('piper_markers')
def changed_combobox(self, combobox, settings_string):
"""All "ChangedX" that are comboboxed should be replaced to this one
Usage:
self.paramHCO3, SIGNAL("activated(int)"), partial(self.changed_combobox, self.paramHCO3, 'piper_hco3'))
"""
self.ms.settingsdict[settings_string] = combobox.currentText()
self.ms.save_settings(settings_string)
def ClearColumnLists(self):
self.ListOfColumns.clear()
self.ListOfColumns_2.clear()
self.ListOfColumns_3.clear()
self.ListOfColumns_4.clear()
self.ListOfColumns_5.clear()
self.ListOfColumns_WQUALPARAM.clear()
self.ListOfColumns_WQUALVALUE.clear()
self.ListOfColumns_WQUALUNIT.clear()
self.ListOfColumns_WQUALSORTING.clear()
def ClearEverything(self):
self.database_settings.clear()
self.ClearTableLists()
self.ClearColumnLists()
self.ClearPiperParams()
def ClearTableLists(self):
self.ListOfTables.clear()
self.ListOfTables_2.clear()
self.ListOfTables_WQUAL.clear()
def ClearPiperParams(self):
self.paramCl.clear()
self.paramHCO3.clear()
self.paramSO4.clear()
self.paramNa.clear()
self.paramK.clear()
self.paramCa.clear()
self.paramMg.clear()
def ColumnsToComboBox(self, comboboxname='', table=None):
getattr(self, comboboxname).clear()
"""This method fills comboboxes with columns for selected tool and table"""
columns = self.LoadColumnsFromTable(table) # Load all columns into a list 'columns'
if len(columns)>0: # Transfer information from list 'columns' to the combobox
getattr(self, comboboxname).addItem('')
for columnName in columns:
getattr(self, comboboxname).addItem(columnName) # getattr is to combine a function and a string to a combined function
@db_utils.if_connection_ok
def LoadAndSelectLastSettings(self):
#self.ms.save_settings('database')
self.database_settings.update_settings(self.ms.settingsdict['database'])
self.load_plot_settings()
@common_utils.general_exception_handler
def load_plot_settings(self):
self.loadTablesFromDB() # All ListOfTables are filled with relevant information
self.LoadDistinctPiperParams()
#TS plot settings
self.load_and_select_last_ts_plot_settings()
#XY plot settings
self.load_and_select_last_xyplot_settings()
#Water Quality Reports settings
self.load_and_select_last_wqual_settings()
#piper diagram settings
self.load_and_select_last_piper_settings()
# finally, set dockwidget to last choosen tab
self.tabWidget.setCurrentIndex(int(self.ms.settingsdict['tabwidget']))
def load_and_select_last_piper_settings(self):
searchindex = self.paramCl.findText(self.ms.settingsdict['piper_cl'])
if searchindex >= 0:
self.paramCl.setCurrentIndex(searchindex)
searchindex = self.paramHCO3.findText(self.ms.settingsdict['piper_hco3'])
if searchindex >= 0:
self.paramHCO3.setCurrentIndex(searchindex)
searchindex = self.paramSO4.findText(self.ms.settingsdict['piper_so4'])
if searchindex >= 0:
self.paramSO4.setCurrentIndex(searchindex)
searchindex = self.paramNa.findText(self.ms.settingsdict['piper_na'])
if searchindex >= 0:
self.paramNa.setCurrentIndex(searchindex)
searchindex = self.paramK.findText(self.ms.settingsdict['piper_k'])
if searchindex >= 0:
self.paramK.setCurrentIndex(searchindex)
searchindex = self.paramCa.findText(self.ms.settingsdict['piper_ca'])
if searchindex >= 0:
self.paramCa.setCurrentIndex(searchindex)
searchindex = self.paramMg.findText(self.ms.settingsdict['piper_mg'])
if searchindex >= 0:
self.paramMg.setCurrentIndex(searchindex)
searchindex = self.MarkerComboBox.findText(self.ms.settingsdict['piper_markers'])
if searchindex >= 0:
self.MarkerComboBox.setCurrentIndex(searchindex)
def load_and_select_last_ts_plot_settings(self):
if len(str(self.ms.settingsdict['tstable'])):#If there is a last selected tstable. #MacOSX fix1
notfound=0
i=0
while notfound==0: # Loop until the last selected tstable is found
self.ListOfTables.setCurrentIndex(i)
if str(self.ListOfTables.currentText()) == str(self.ms.settingsdict['tstable']):#The index count stops when last selected table is found #MacOSX fix1
notfound=1
self.TSTableUpdated() # Fill the given combobox with columns from the given table and also perform a sanity check of table
searchindex = self.ListOfColumns.findText(self.ms.settingsdict['tscolumn'])
if searchindex >= 0:
self.ListOfColumns.setCurrentIndex(searchindex)
elif i> len(self.ListOfTables):
notfound=1
i = i + 1
if self.ms.settingsdict['tsdotmarkers']==2:#If the TSPlot dot markers checkbox was checked last time it will be so now #MacOSX fix1
self.checkBoxDataPoints.setChecked(True)
else:
self.checkBoxDataPoints.setChecked(False)
if self.ms.settingsdict['tsstepplot']==2: #If the TSPlot stepplot checkbox was checked last time it will be so now #MacOSX fix1
self.checkBoxStepPlot.setChecked(True)
else:
self.checkBoxStepPlot.setChecked(False)
def load_and_select_last_wqual_settings(self):
searchindexouter = self.ListOfTables_WQUAL.findText(self.ms.settingsdict['wqualtable'])
if searchindexouter >= 0:
self.ListOfTables_WQUAL.setCurrentIndex(searchindexouter)
self.WQUALTableUpdated()
#and then check all possible last selected columns for parameters, values etc.
searchindex = self.ListOfColumns_WQUALPARAM.findText(self.ms.settingsdict['wqual_paramcolumn'])
if searchindex >= 0:
self.ListOfColumns_WQUALPARAM.setCurrentIndex(searchindex)
searchindex = self.ListOfColumns_WQUALVALUE.findText(self.ms.settingsdict['wqual_valuecolumn'])
if searchindex >= 0:
self.ListOfColumns_WQUALVALUE.setCurrentIndex(searchindex)
searchindex = self.ListOfdate_time_format.findText(self.ms.settingsdict['wqual_date_time_format'])
if searchindex == -1:
searchindex = 1
self.ListOfdate_time_format.setCurrentIndex(searchindex)
searchindex = self.ListOfColumns_WQUALUNIT.findText(self.ms.settingsdict['wqual_unitcolumn'])
if searchindex >= 0:
self.ListOfColumns_WQUALUNIT.setCurrentIndex(searchindex)
searchindex = self.ListOfColumns_WQUALSORTING.findText(self.ms.settingsdict['wqual_sortingcolumn'])
if searchindex >= 0:
self.ListOfColumns_WQUALSORTING.setCurrentIndex(searchindex)
def load_and_select_last_xyplot_settings(self):
if len(self.ms.settingsdict['xytable']):#If there is a last selected xytable #MacOSX fix1
notfound=0
i=0
while notfound==0: #looping through ListOfTables_2 looking for last selected xytable
self.ListOfTables_2.setCurrentIndex(i)
if str(self.ListOfTables_2.currentText()) == str(self.ms.settingsdict['xytable']): #when last selected xytable found, it is selected in list and a lot of columns is searced for #MacOSX fix1
notfound=1
self.XYTableUpdated() # Fill the given combobox with columns from the given table and performs a test
searchindex = self.ListOfColumns_2.findText(self.ms.settingsdict['xy_xcolumn'])
if searchindex >= 0:
self.ListOfColumns_2.setCurrentIndex(searchindex)
searchindex = self.ListOfColumns_3.findText(self.ms.settingsdict['xy_y1column'])
if searchindex >= 0:
self.ListOfColumns_3.setCurrentIndex(searchindex)
searchindex = self.ListOfColumns_4.findText(self.ms.settingsdict['xy_y2column'])
if searchindex >= 0:
self.ListOfColumns_4.setCurrentIndex(searchindex)
searchindex = self.ListOfColumns_5.findText(self.ms.settingsdict['xy_y3column'])
if searchindex >= 0:
self.ListOfColumns_5.setCurrentIndex(searchindex)
elif i> len(self.ListOfTables_2):
notfound=1
i = i + 1
if self.ms.settingsdict['xydotmarkers']==2:# If the XYPlot dot markers checkbox was checked last time it will be so now #MacOSX fix1
self.checkBoxDataPoints_2.setChecked(True)
else:
self.checkBoxDataPoints_2.setChecked(False)
def LoadColumnsFromTable(self, table=''):
return db_utils.tables_columns().get(table, [])
def loadTablesFromDB(self): # This method populates all table-comboboxes with the tables inside the database
# Execute a query in SQLite to return all available tables (sql syntax excludes some of the predefined tables)
# start with cleaning comboboxes before filling with new entries
tables = list(db_utils.tables_columns().keys())
self.ListOfTables.addItem('')
self.ListOfTables_2.addItem('')
self.ListOfTables_WQUAL.addItem('')
for table in sorted(tables):
self.ListOfTables.addItem(table)
self.ListOfTables_2.addItem(table)
self.ListOfTables_WQUAL.addItem(table)
def LoadDistinctPiperParams(self):
self.ClearPiperParams()
#Dict not implemented yet.
lab_parameters = {}
if lab_parameters:
for param_list in [self.paramCl,
self.paramHCO3,
self.paramSO4,
self.paramNa,
self.paramK,
self.paramCa,
self.paramMg]:
new_list = ['']
new_list.extend(sorted(lab_parameters.keys()))
param_list.addItems(new_list)
else:
connection_ok, result = db_utils.sql_load_fr_db(r"""SELECT DISTINCT parameter FROM w_qual_lab ORDER BY parameter""")
if connection_ok:
self.paramCl.addItem('')
self.paramHCO3.addItem('')
self.paramSO4.addItem('')
self.paramNa.addItem('')
self.paramK.addItem('')
self.paramCa.addItem('')
self.paramMg.addItem('')
for row in result:
self.paramCl.addItem(row[0])
self.paramHCO3.addItem(row[0])
self.paramSO4.addItem(row[0])
self.paramNa.addItem(row[0])
self.paramK.addItem(row[0])
self.paramCa.addItem(row[0])
self.paramMg.addItem(row[0])
def PiperClUpdated(self):
self.ms.settingsdict['piper_cl']= str(self.paramCl.currentText())
self.ms.save_settings('piper_cl')#save this specific setting
def PiperHCO3Updated(self):
self.ms.settingsdict['piper_hco3']= str(self.paramHCO3.currentText())
self.ms.save_settings('piper_hco3')#save this specific setting
def PiperSO4Updated(self):
self.ms.settingsdict['piper_so4']= str(self.paramSO4.currentText())
self.ms.save_settings('piper_so4')#save this specific setting
def PiperNaUpdated(self):
self.ms.settingsdict['piper_na']= str(self.paramNa.currentText())
self.ms.save_settings('piper_na')#save this specific setting
def PiperKUpdated(self):
self.ms.settingsdict['piper_k']= str(self.paramK.currentText())
self.ms.save_settings('piper_k')#save this specific setting
def PiperCaUpdated(self):
self.ms.settingsdict['piper_ca']= str(self.paramCa.currentText())
self.ms.save_settings('piper_ca')#save this specific setting
def PiperMgUpdated(self):
self.ms.settingsdict['piper_mg']= str(self.paramMg.currentText())
self.ms.save_settings('piper_mg')#save this specific setting
def set_location(self):
dockarea = self.parent.dockWidgetArea(self)
self.ms.settingsdict['settingslocation']=dockarea
self.ms.save_settings('settingslocation')
def TSTableUpdated(self):
"""This method is called whenever time series table is changed"""
# First, update combobox with columns
self.ColumnsToComboBox('ListOfColumns', self.ListOfTables.currentText()) # For some reason it is not possible to send currentText with the SIGNAL-trigger
# Second, Make sure that columns obsid and date_time exists
columns = self.LoadColumnsFromTable(self.ListOfTables.currentText()) # For some reason it is not possible to send currentText with the SIGNAL-trigger
if ('obsid' in columns) and ('date_time' in columns):
text = "<font color=green>%s</font>"%ru(QCoreApplication.translate('midvsettingsdialogdock', 'Correct table, both obsid and date_time columns have been found.'))
else:
text = "<font color=red>%s</font>"%ru(QCoreApplication.translate('midvsettingsdialogdock', 'Wrong table! obsid and/or date_time is missing.'))
self.InfoTxtTSPlot.setText(text)
#finally, save to qgis project settings
self.ms.settingsdict['tstable']=self.ListOfTables.currentText()
self.ms.save_settings('tstable')#save this specific setting
def WQUALTableUpdated(self):
"""This method is called whenever water quality table is changed and fils comboboxes with columns for wqual report"""
self.ListOfColumns_WQUALPARAM.clear()
self.ListOfColumns_WQUALVALUE.clear()
self.ListOfdate_time_format.clear()
self.ListOfColumns_WQUALUNIT.clear()
self.ListOfColumns_WQUALSORTING.clear()
columns = self.LoadColumnsFromTable(self.ListOfTables_WQUAL.currentText()) # Load all columns into a list (dict?) 'columns'
if len(columns): # Transfer information from list 'columns' to the combobox
self.ListOfColumns_WQUALPARAM.addItem('')
self.ListOfColumns_WQUALVALUE.addItem('')
self.ListOfdate_time_format.addItem('YYYY')
self.ListOfColumns_WQUALUNIT.addItem('')
self.ListOfColumns_WQUALSORTING.addItem('')
for columnName in columns:
self.ListOfColumns_WQUALPARAM.addItem(columnName)
self.ListOfColumns_WQUALVALUE.addItem(columnName)
self.ListOfColumns_WQUALUNIT.addItem(columnName)
self.ListOfColumns_WQUALSORTING.addItem(columnName)
self.ListOfdate_time_format.addItem('YYYY-MM')
self.ListOfdate_time_format.addItem('YYYY-MM-DD')
self.ListOfdate_time_format.addItem('YYYY-MM-DD hh')
self.ListOfdate_time_format.addItem('YYYY-MM-DD hh:mm')
self.ListOfdate_time_format.addItem('YYYY-MM-DD hh:mm:ss')
#self.ChangedListOfColumnsWQualParam()
#self.ChangedListOfColumnsWQualValue()
#self.ChangedListOfdate_time_format()
#self.ChangedListOfColumnsWQualUnit()
#self.ChangedListOfColumnsWQualSorting()
self.ms.settingsdict['wqualtable']=self.ListOfTables_WQUAL.currentText()
self.ms.save_settings('wqualtable')#save this specific setting
def XYColumnsToComboBox(self, table=None):
"""This method fills comboboxes with columns for xyplot"""
self.ListOfColumns_2.clear()
self.ListOfColumns_3.clear()
self.ListOfColumns_4.clear()
self.ListOfColumns_5.clear()
columns = self.LoadColumnsFromTable(table) # Load all columns into a list (dict?) 'columns'
if len(columns): # Transfer information from list 'columns' to the combobox
self.ListOfColumns_2.addItem('')
self.ListOfColumns_3.addItem('')
self.ListOfColumns_4.addItem('')
self.ListOfColumns_5.addItem('')
for columnName in columns:
self.ListOfColumns_2.addItem(columnName)
self.ListOfColumns_3.addItem(columnName)
self.ListOfColumns_4.addItem(columnName)
self.ListOfColumns_5.addItem(columnName)
def XYTableUpdated(self):
"""This method is called whenever xy table is changed"""
# First, update comboboxes with columns
self.XYColumnsToComboBox(self.ListOfTables_2.currentText()) # For some reason it is not possible to send currentText with the SIGNAL-trigger
# Second, Make sure that column obsid exists
columns = self.LoadColumnsFromTable(self.ListOfTables_2.currentText()) # For some reason it is not possible to send currentText with the SIGNAL-trigger
if 'obsid' in columns:
text = "<font color=green>%s</font>"%ru(QCoreApplication.translate('midvsettingsdialogdock', 'Correct table! obsid column is found.'))
else:
text = "<font color=red>%s</font>"%ru(QCoreApplication.translate('midvsettingsdialogdock', 'Wrong table! obsid is missing.'))
self.InfoTxtXYPlot.setText(text)
self.ms.settingsdict['xytable']=self.ListOfTables_2.currentText()
self.ms.save_settings('xytable')#save this specific setting
class DatabaseSettings(object):
def __init__(self, midvsettingsdialogdock, gridLayout_db):
self.midvsettingsdialogdock = midvsettingsdialogdock
self.layout = gridLayout_db
self.layout.setAlignment(QtCore.Qt.AlignTop | QtCore.Qt.AlignLeft)
self.db_settings_obj = None
self.label_width = self.maximum_label_width()
self._label = qgis.PyQt.QtWidgets.QLabel(ru(QCoreApplication.translate('DatabaseSettings', 'Database type')))
self._label.setFixedWidth(self.label_width)
self._dbtype_combobox = qgis.PyQt.QtWidgets.QComboBox()
self._dbtype_combobox.addItems(['', 'spatialite', 'postgis'])
self.grid = gui_utils.RowEntryGrid()
self.grid.layout.addWidget(self._label, 0, 0)
self.grid.layout.addWidget(self._dbtype_combobox, 0, 1)
self.layout.addWidget(self.grid.widget)
self.child_widgets = []
self._dbtype_combobox.currentIndexChanged.connect(self.choose_dbtype)
#self.layout.setRowStretch(self.layout.rowCount(), 1)
@property
def dbtype_combobox(self):
return common_utils.returnunicode(self._dbtype_combobox.currentText())
@dbtype_combobox.setter
def dbtype_combobox(self, value):
index = self._dbtype_combobox.findText(common_utils.returnunicode(value))
if index != -1:
self._dbtype_combobox.setCurrentIndex(index)
def choose_dbtype(self):
#Remove stretch
#self.layout.setRowStretch(self.layout.rowCount(), 0)
for widget in self.child_widgets:
try:
widget.clear_widgets()
except:
pass
try:
self.layout.removeWidget(widget)
except:
pass
try:
widget.deleteLater()
except:
pass
try:
widget.close()
except:
pass
self.child_widgets = []
dbclasses = {'spatialite': SpatialiteSettings,
'postgis': PostgisSettings}
dbclass = dbclasses.get(self.dbtype_combobox, None)
if dbclass is None:
self.db_settings_obj = None
return
self.db_settings_obj = dbclass(self.midvsettingsdialogdock, self.label_width)
self.layout.addWidget(self.db_settings_obj.widget, self.layout.rowCount(), 0)
self.child_widgets.append(self.db_settings_obj.widget)
#self.layout.setRowStretch(self.layout.rowCount(), 1)
def update_settings(self, _db_settings):
db_settings = None
if not _db_settings or _db_settings is None:
return
try:
db_settings = ast.literal_eval(_db_settings)
except:
common_utils.MessagebarAndLog.warning(log_msg=ru(QCoreApplication.translate('DatabaseSettings', 'Reading db_settings failed using string %s')) % _db_settings)
else:
pass
for setting in [db_settings, _db_settings]:
if isinstance(setting, str):
# Assume that the db_settings is an old spatialite database
if os.path.isfile(setting) and setting.endswith('.sqlite'):
db_settings = {'spatialite': {'dbpath': setting}}
break
if isinstance(db_settings, dict):
for dbtype, settings in db_settings.items():
self.dbtype_combobox = dbtype
self.choose_dbtype()
for setting_name, value in settings.items():
try:
if hasattr(self.db_settings_obj, str(setting_name)):
setattr(self.db_settings_obj, str(setting_name), value)
else:
common_utils.MessagebarAndLog.warning(log_msg=ru(QCoreApplication.translate('DatabaseSettings', "Databasetype %s didn' t have setting %s")) % (dbtype, setting_name))
except:
print(str(setting_name))
raise
else:
common_utils.MessagebarAndLog.warning(bar_msg=ru(QCoreApplication.translate('DatabaseSettings', "Could not load database settings. Select database again!")), log_msg=ru(QCoreApplication.translate('DatabaseSettings', 'Tried to load db_settings string %s')) % _db_settings)
def clear(self):
self.dbtype_combobox = ''
self.choose_dbtype()
def maximum_label_width(self):
maximumwidth = 0
for label_name in [ru(QCoreApplication.translate('DatabaseSettings', 'Database type')), ru(QCoreApplication.translate('DatabaseSettings', 'Select db')), ru(QCoreApplication.translate('DatabaseSettings', 'Connections'))]:
testlabel = qgis.PyQt.QtWidgets.QLabel(label_name)
maximumwidth = max(maximumwidth, testlabel.sizeHint().width())
testlabel = None
return maximumwidth
class SpatialiteSettings(gui_utils.RowEntryGrid):
def __init__(self, midvsettingsdialogdock, label_width):
super(SpatialiteSettings, self).__init__()
self.midvsettingsdialogdock = midvsettingsdialogdock
self.btnSetDB = qgis.PyQt.QtWidgets.QPushButton(ru(QCoreApplication.translate('SpatialiteSettings', 'Select db')))
self.btnSetDB.setFixedWidth(label_width)
self.layout.addWidget(self.btnSetDB, 0, 0)
self._dbpath = qgis.PyQt.QtWidgets.QLineEdit('')
self._dbpath.textChanged.connect(lambda: self.database_chosen())
self._dbpath.editingFinished.connect(self.database_chosen)
self.layout.addWidget(self._dbpath, 0, 1)
#select file
self.btnSetDB.clicked.connect(lambda x: self.select_file())
@property
def dbpath(self):
return common_utils.returnunicode(self._dbpath.text())
@dbpath.setter
def dbpath(self, value):
self._dbpath.setText(common_utils.returnunicode(value))
def select_file(self):
""" Open a dialog to locate the sqlite file and some more..."""
dbpath, __ = QFileDialog.getOpenFileName(None, str("Select database:"), "*.sqlite")
if dbpath: # Only get new db name if not cancelling the FileDialog
self.dbpath = dbpath
else: # debug
common_utils.MessagebarAndLog.info(log_msg=ru(QCoreApplication.translate('SpatialiteSettings', "DB selection cancelled and still using database path %s")) % common_utils.returnunicode(self.midvsettingsdialogdock.ms.settingsdict['database']))
def database_chosen(self):
if self._dbpath.hasFocus():
return
dbpath = self.dbpath
self.midvsettingsdialogdock.ms.settingsdict['database'] = common_utils.anything_to_string_representation(
{'spatialite': {'dbpath': dbpath}})
self.midvsettingsdialogdock.ms.save_settings('database')
self.midvsettingsdialogdock.load_plot_settings()
warn_about_old_database()
class PostgisSettings(gui_utils.RowEntryGrid):
"""Using a guide from http://gis.stackexchange.com/questions/180427/retrieve-available-postgis-connections-in-pyqgis"""
def __init__(self, midvsettingsdialogdock, label_width):
super(PostgisSettings, self).__init__()
self.midvsettingsdialogdock = midvsettingsdialogdock
postgis_connections = db_utils.get_postgis_connections()
self.label = qgis.PyQt.QtWidgets.QLabel(ru(QCoreApplication.translate('PostgisSettings', 'Connections')))
self.label.setFixedWidth(label_width)
self._connection = qgis.PyQt.QtWidgets.QComboBox()
self._connection.addItem('')
connection_names = ['/'.join([k, ':'.join([v.get('host', ''), v.get('port', '')]), v.get('database', '')]) for k, v in postgis_connections.items()]
self._connection.addItems(sorted(connection_names))
self._connection.currentIndexChanged.connect(self.set_db)
self.layout.addWidget(self.label, 0, 0)
self.layout.addWidget(self._connection, 0, 1)
@property
def connection(self):
return common_utils.returnunicode(self._connection.currentText())
@connection.setter
def connection(self, value):
index = self._connection.findText(common_utils.returnunicode(value))
if index != -1:
self._connection.setCurrentIndex(index)
def set_db(self):
if self.connection:
self.midvsettingsdialogdock.ms.settingsdict['database'] = common_utils.anything_to_string_representation({'postgis': {'connection': self.connection}})
self.midvsettingsdialogdock.ms.save_settings('database')
self.midvsettingsdialogdock.load_plot_settings()
warn_about_old_database()