def __init__(self, parent=None): ''' Constructor ''' QtGui.QDialog.__init__(self, parent) self._ui = Ui_ConfigureDialog() self._ui.setupUi(self) # Keep track of the previous identifier so that we can track changes # and know how many occurrences of the current identifier there should # be. self._previousIdentifier = '' # Set a place holder for a callable that will get set from the step. # We will use this method to decide whether the identifier is unique. self.identifierOccursCount = None self._makeConnections()
class ConfigureDialog(QtGui.QDialog): ''' Configure dialog to present the user with the options to configure this step. ''' def __init__(self, parent=None): ''' Constructor ''' QtGui.QDialog.__init__(self, parent) self._ui = Ui_ConfigureDialog() self._ui.setupUi(self) # Keep track of the previous identifier so that we can track changes # and know how many occurrences of the current identifier there should # be. self._previousIdentifier = '' # Set a place holder for a callable that will get set from the step. # We will use this method to decide whether the identifier is unique. self.identifierOccursCount = None self._makeConnections() def _makeConnections(self): self._ui.lineEdit0.textChanged.connect(self.validate) def accept(self): ''' Override the accept method so that we can confirm saving an invalid configuration. ''' result = QtGui.QMessageBox.Yes if not self.validate(): result = QtGui.QMessageBox.warning( self, 'Invalid Configuration', 'This configuration is invalid. Unpredictable behaviour may result if you choose \'Yes\', are you sure you want to save this configuration?)', QtGui.QMessageBox.Yes | QtGui.QMessageBox.No, QtGui.QMessageBox.No) if result == QtGui.QMessageBox.Yes: QtGui.QDialog.accept(self) def validate(self): ''' Validate the configuration dialog fields. For any field that is not valid set the style sheet to the INVALID_STYLE_SHEET. Return the outcome of the overall validity of the configuration. ''' # Determine if the current identifier is unique throughout the workflow # The identifierOccursCount method is part of the interface to the workflow framework. value = self.identifierOccursCount(self._ui.lineEdit0.text()) valid = (value == 0) or (value == 1 and self._previousIdentifier == self._ui.lineEdit0.text()) if valid: self._ui.lineEdit0.setStyleSheet(DEFAULT_STYLE_SHEET) else: self._ui.lineEdit0.setStyleSheet(INVALID_STYLE_SHEET) return valid def getConfig(self): ''' Get the current value of the configuration from the dialog. Also set the _previousIdentifier value so that we can check uniqueness of the identifier over the whole of the workflow. ''' self._previousIdentifier = self._ui.lineEdit0.text() config = {} config['identifier'] = self._ui.lineEdit0.text() config[ 'enable_settings_save'] = self._ui.enableSettingsSaveCheckBox.isChecked( ) config[ 'load_previous_solution'] = self._ui.loadPreviousSolutionCheckBox.isChecked( ) return config def setConfig(self, config): ''' Set the current value of the configuration for the dialog. Also set the _previousIdentifier value so that we can check uniqueness of the identifier over the whole of the workflow. ''' self._previousIdentifier = config['identifier'] self._ui.lineEdit0.setText(config['identifier']) self._ui.enableSettingsSaveCheckBox.setChecked( config['enable_settings_save']) if not 'load_previous_solution' in config: config['load_previous_solution'] = False self._ui.loadPreviousSolutionCheckBox.setChecked( config['load_previous_solution'])
class ConfigureDialog(QtGui.QDialog): ''' Configure dialog to present the user with the options to configure this step. ''' def __init__(self, parent=None): ''' Constructor ''' QtGui.QDialog.__init__(self, parent) self._ui = Ui_ConfigureDialog() self._ui.setupUi(self) # Keep track of the previous identifier so that we can track changes # and know how many occurrences of the current identifier there should # be. self._previousIdentifier = '' # Set a place holder for a callable that will get set from the step. # We will use this method to decide whether the identifier is unique. self.identifierOccursCount = None self._makeConnections() def _makeConnections(self): self._ui.lineEdit0.textChanged.connect(self.validate) def accept(self): ''' Override the accept method so that we can confirm saving an invalid configuration. ''' result = QtGui.QMessageBox.Yes if not self.validate(): result = QtGui.QMessageBox.warning(self, 'Invalid Configuration', 'This configuration is invalid. Unpredictable behaviour may result if you choose \'Yes\', are you sure you want to save this configuration?)', QtGui.QMessageBox.Yes | QtGui.QMessageBox.No, QtGui.QMessageBox.No) if result == QtGui.QMessageBox.Yes: QtGui.QDialog.accept(self) def validate(self): ''' Validate the configuration dialog fields. For any field that is not valid set the style sheet to the INVALID_STYLE_SHEET. Return the outcome of the overall validity of the configuration. ''' # Determine if the current identifier is unique throughout the workflow # The identifierOccursCount method is part of the interface to the workflow framework. value = self.identifierOccursCount(self._ui.lineEdit0.text()) valid = (value == 0) or (value == 1 and self._previousIdentifier == self._ui.lineEdit0.text()) if valid: self._ui.lineEdit0.setStyleSheet(DEFAULT_STYLE_SHEET) else: self._ui.lineEdit0.setStyleSheet(INVALID_STYLE_SHEET) return valid def getConfig(self): ''' Get the current value of the configuration from the dialog. Also set the _previousIdentifier value so that we can check uniqueness of the identifier over the whole of the workflow. ''' self._previousIdentifier = self._ui.lineEdit0.text() config = {} config['identifier'] = self._ui.lineEdit0.text() config['enable_settings_save'] = self._ui.enableSettingsSaveCheckBox.isChecked() return config def setConfig(self, config): ''' Set the current value of the configuration for the dialog. Also set the _previousIdentifier value so that we can check uniqueness of the identifier over the whole of the workflow. ''' self._previousIdentifier = config['identifier'] self._ui.lineEdit0.setText(config['identifier']) self._ui.enableSettingsSaveCheckBox.setChecked(config['enable_settings_save'])