def startExploration(self):
table = self.ui.tableWidget.getTable()
formal_objects = [self.rowToInt(row) for row in table]
self.ui.implicationTextEdit.clear()
self.ui.suggestedImplicationGroupBox.setEnabled(True)
self.attributeExploration = AttributeExploration(
self.attribute_names, formal_objects)
self.getNextImplication()
def startExploration(self):
table = self.ui.tableWidget.getTable()
formal_objects = [self.rowToInt(row) for row in table]
self.ui.implicationTextEdit.clear()
self.ui.suggestedImplicationGroupBox.setEnabled(True)
self.attributeExploration = AttributeExploration(self.attribute_names, formal_objects)
self.getNextImplication()
class MainWindow(QMainWindow):
def __init__(self):
super(MainWindow, self).__init__()
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
# variables
self.attribute_names = []
self.object_names = []
# last table
self.settings = QSettings("settings.ini", QSettings.IniFormat)
filename = self.settings.value("last_file", None);
if filename:
self.loadTable(filename)
else:
self.newTable()
# connect signals and slots
self.ui.addAttributeButton.clicked.connect(self.addAttribute)
self.ui.addObjectButton.clicked.connect(self.addObject)
self.ui.actionSave.triggered.connect(self.saveTable)
self.ui.actionLoad.triggered.connect(self.browseLoadTable)
self.ui.actionNew.triggered.connect(self.newTable)
self.ui.startExplorationButton.clicked.connect(self.startExploration)
self.ui.counterExampleLineEdit.textChanged.connect(self.updateCounterExampleName)
self.ui.nextImplication.clicked.connect(self.respondToImplication)
##############################
## Methods for: ##
## -saving tables ##
## -loading tables ##
## -creating new table ##
##############################
def saveTable(self):
filename = self.settings.value('last_file', 'untitled.fc')
filename = QFileDialog.getSaveFileName(self, "Save File", filename, "Formal Context (*.fc)")[0];
if filename:
f = open(filename, "wb")
pickle.dump(self.attribute_names, f)
pickle.dump(self.object_names, f)
pickle.dump(self.ui.tableWidget.getTable(), f)
f.close()
self.settings.setValue("last_file", filename);
def browseLoadTable(self):
self.newTable()
filename = QFileDialog.getOpenFileName(self, "Open File", "", "Formal Context (*.fc)")[0];
self.loadTable(filename)
def loadTable(self, filename):
try:
f = open(filename, "rb")
self.attribute_names = pickle.load(f)
self.object_names = pickle.load(f)
table = pickle.load(f)
f.close()
self.ui.tableWidget.loadTable(self.attribute_names, self.object_names, table)
self.ui.counterExampleTable.loadTable(self.attribute_names, ['ce'], [[False] * len(self.attribute_names)])
self.ui.suggestedImplicationGroupBox.setEnabled(False)
self.settings.setValue("last_file", filename);
except:
self.newTable()
def newTable(self):
self.settings.setValue('last_file', '')
self.attribute_names = []
self.object_names = []
self.ui.tableWidget.clear()
self.ui.counterExampleTable.clear()
self.ui.counterExampleTable.appendRow('ce')
self.ui.suggestedImplicationGroupBox.setEnabled(False)
##########################################
## Methods for manipulationg the table: ##
## -adding new attributes or objects ##
## -updating the row name ##
##########################################
def addAttribute(self):
name = self.ui.attributeLineEdit.text()
if name:
self.ui.tableWidget.appendColumn(name)
self.ui.counterExampleTable.appendColumn(name)
self.attribute_names.append(name)
self.ui.attributeLineEdit.clear()
def addObject(self):
name = self.ui.objectLineEdit.text()
if name:
self.ui.tableWidget.appendRow(name)
self.object_names.append(name)
self.ui.objectLineEdit.clear()
def updateCounterExampleName(self, name):
self.ui.counterExampleTable.setVerticalHeaderLabels([name])
#####################################################
## Methods for operating the attribute exploration ##
#####################################################
def startExploration(self):
table = self.ui.tableWidget.getTable()
formal_objects = [self.rowToInt(row) for row in table]
self.ui.implicationTextEdit.clear()
self.ui.suggestedImplicationGroupBox.setEnabled(True)
self.attributeExploration = AttributeExploration(self.attribute_names, formal_objects)
self.getNextImplication()
def rowToInt(self, row):
row = ['1' if entry else '0' for entry in row]
return int(''.join(row), 2)
def intToRow(self, value):
size = len(self.attribute_names)
row = [False] * size
for i in reversed(range(size)):
if value % 2:
row[i] = True
value //= 2
return row
def rowToString(self, row):
return ', '.join([attribute for (entry, attribute) in zip(row, self.attribute_names) if entry])
def getNextImplication(self):
implication = self.attributeExploration.getNextImplication()
if implication:
P_list = self.intToRow(implication[0])
PSS_list = self.intToRow(implication[1] - implication[0])
self.suggested_implication = self.rowToString(P_list) + ' => ' + self.rowToString(PSS_list)
self.ui.implicationLineEdit.setText(self.suggested_implication)
self.ui.acceptRadioButton.setChecked(True)
self.ui.counterExampleLineEdit.setText('ce')
for i, condition in enumerate(P_list):
self.ui.counterExampleTable.item(0, i).setText('X' if condition else '')
else:
self.ui.suggestedImplicationGroupBox.setEnabled(False)
def respondToImplication(self):
if self.ui.acceptRadioButton.isChecked():
self.attributeExploration.acceptImplication()
implications = self.ui.implicationTextEdit.toPlainText()
self.ui.implicationTextEdit.setPlainText(implications + str(len(self.attributeExploration.implicationsBasis)) + ': ' + self.suggested_implication + '\n')
elif self.ui.counterExampleRadioButton.isChecked() and self.ui.counterExampleLineEdit.text():
row = self.ui.counterExampleTable.getTable()[0]
name = self.ui.counterExampleLineEdit.text()
self.ui.tableWidget.appendRow(name)
for i, entry in enumerate(row):
self.ui.tableWidget.item(len(self.object_names), i).setText('X' if entry else '')
self.attributeExploration.rejectImplication(self.rowToInt(row))
self.object_names.append(name)
self.getNextImplication()
class MainWindow(QMainWindow):
def __init__(self):
super(MainWindow, self).__init__()
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
# variables
self.attribute_names = []
self.object_names = []
# last table
self.settings = QSettings("settings.ini", QSettings.IniFormat)
filename = self.settings.value("last_file", None)
if filename:
self.loadTable(filename)
else:
self.newTable()
# connect signals and slots
self.ui.addAttributeButton.clicked.connect(self.addAttribute)
self.ui.addObjectButton.clicked.connect(self.addObject)
self.ui.actionSave.triggered.connect(self.saveTable)
self.ui.actionLoad.triggered.connect(self.browseLoadTable)
self.ui.actionNew.triggered.connect(self.newTable)
self.ui.startExplorationButton.clicked.connect(self.startExploration)
self.ui.counterExampleLineEdit.textChanged.connect(
self.updateCounterExampleName)
self.ui.nextImplication.clicked.connect(self.respondToImplication)
##############################
## Methods for: ##
## -saving tables ##
## -loading tables ##
## -creating new table ##
##############################
def saveTable(self):
filename = self.settings.value('last_file', 'untitled.fc')
filename = QFileDialog.getSaveFileName(self, "Save File", filename,
"Formal Context (*.fc)")[0]
if filename:
f = open(filename, "wb")
pickle.dump(self.attribute_names, f)
pickle.dump(self.object_names, f)
pickle.dump(self.ui.tableWidget.getTable(), f)
f.close()
self.settings.setValue("last_file", filename)
def browseLoadTable(self):
self.newTable()
filename = QFileDialog.getOpenFileName(self, "Open File", "",
"Formal Context (*.fc)")[0]
self.loadTable(filename)
def loadTable(self, filename):
try:
f = open(filename, "rb")
self.attribute_names = pickle.load(f)
self.object_names = pickle.load(f)
table = pickle.load(f)
f.close()
self.ui.tableWidget.loadTable(self.attribute_names,
self.object_names, table)
self.ui.counterExampleTable.loadTable(
self.attribute_names, ['ce'],
[[False] * len(self.attribute_names)])
self.ui.suggestedImplicationGroupBox.setEnabled(False)
self.settings.setValue("last_file", filename)
except:
self.newTable()
def newTable(self):
self.settings.setValue('last_file', '')
self.attribute_names = []
self.object_names = []
self.ui.tableWidget.clear()
self.ui.counterExampleTable.clear()
self.ui.counterExampleTable.appendRow('ce')
self.ui.suggestedImplicationGroupBox.setEnabled(False)
##########################################
## Methods for manipulationg the table: ##
## -adding new attributes or objects ##
## -updating the row name ##
##########################################
def addAttribute(self):
name = self.ui.attributeLineEdit.text()
if name:
self.ui.tableWidget.appendColumn(name)
self.ui.counterExampleTable.appendColumn(name)
self.attribute_names.append(name)
self.ui.attributeLineEdit.clear()
def addObject(self):
name = self.ui.objectLineEdit.text()
if name:
self.ui.tableWidget.appendRow(name)
self.object_names.append(name)
self.ui.objectLineEdit.clear()
def updateCounterExampleName(self, name):
self.ui.counterExampleTable.setVerticalHeaderLabels([name])
#####################################################
## Methods for operating the attribute exploration ##
#####################################################
def startExploration(self):
table = self.ui.tableWidget.getTable()
formal_objects = [self.rowToInt(row) for row in table]
self.ui.implicationTextEdit.clear()
self.ui.suggestedImplicationGroupBox.setEnabled(True)
self.attributeExploration = AttributeExploration(
self.attribute_names, formal_objects)
self.getNextImplication()
def rowToInt(self, row):
row = ['1' if entry else '0' for entry in row]
return int(''.join(row), 2)
def intToRow(self, value):
size = len(self.attribute_names)
row = [False] * size
for i in reversed(range(size)):
if value % 2:
row[i] = True
value //= 2
return row
def rowToString(self, row):
return ', '.join([
attribute for (entry, attribute) in zip(row, self.attribute_names)
if entry
])
def getNextImplication(self):
implication = self.attributeExploration.getNextImplication()
if implication:
P_list = self.intToRow(implication[0])
PSS_list = self.intToRow(implication[1] - implication[0])
self.suggested_implication = self.rowToString(
P_list) + ' => ' + self.rowToString(PSS_list)
self.ui.implicationLineEdit.setText(self.suggested_implication)
self.ui.acceptRadioButton.setChecked(True)
self.ui.counterExampleLineEdit.setText('ce')
for i, condition in enumerate(P_list):
self.ui.counterExampleTable.item(
0, i).setText('X' if condition else '')
else:
self.ui.suggestedImplicationGroupBox.setEnabled(False)
def respondToImplication(self):
if self.ui.acceptRadioButton.isChecked():
self.attributeExploration.acceptImplication()
implications = self.ui.implicationTextEdit.toPlainText()
self.ui.implicationTextEdit.setPlainText(
implications +
str(len(self.attributeExploration.implicationsBasis)) + ': ' +
self.suggested_implication + '\n')
elif self.ui.counterExampleRadioButton.isChecked(
) and self.ui.counterExampleLineEdit.text():
row = self.ui.counterExampleTable.getTable()[0]
name = self.ui.counterExampleLineEdit.text()
self.ui.tableWidget.appendRow(name)
for i, entry in enumerate(row):
self.ui.tableWidget.item(len(self.object_names),
i).setText('X' if entry else '')
self.attributeExploration.rejectImplication(self.rowToInt(row))
self.object_names.append(name)
self.getNextImplication()