def validate(self):
"""
Validate the form and trigger accept() if the form is valid.
"""
if not isEmpty(self.minCardinalityField.text()) and not isEmpty(self.maxCardinalityField.text()):
v1 = int(self.minCardinalityField.text())
v2 = int(self.maxCardinalityField.text())
if v1 > v2:
msgbox = QMessageBox(self)
msgbox.setIconPixmap(QPixmap(':/icons/warning'))
msgbox.setWindowIcon(QIcon(':/images/eddy'))
msgbox.setWindowTitle('Invalid range specified')
msgbox.setText('Minimum cardinality {} must be lower or equal than Maximum cardinality {}'.format(v1, v2))
msgbox.setStandardButtons(QMessageBox.Ok)
msgbox.exec_()
return
if not isEmpty(self.minCardinalityField.text()):
self.minCardinalityValue = int(self.minCardinalityField.text())
if not isEmpty(self.maxCardinalityField.text()):
self.maxCardinalityValue = int(self.maxCardinalityField.text())
self.accept()
def editingFinished(self):
"""
Executed when the finish in editing the predicate name of the node label
"""
if self.node:
try:
node = self.node
sender = self.sender()
data = sender.value()
data = data if not isEmpty(data) else node.label.template
if data != node.text():
scene = node.scene()
if sender is self.nameField:
commands = []
for n in scene.index.predicates(
node.item, node.text()):
commands.append(
CommandNodeLabelChange(scene, n, n.text(),
data))
name = 'change predicate "{}" name to "{}"'.format(
node.text(), data)
scene.undostack.push(
CommandRefactor(name, scene, commands))
else:
scene.undostack.push(
CommandNodeLabelChange(scene, node, node.text(),
data))
except RuntimeError:
pass
def readyRead(self):
"""
Executed whenever we need to read a message.
"""
while True:
message = self.inStream.readLine()
if isEmpty(message):
break
self.messageReceived.emit(message)
def nameChanged(self):
"""
Executed whenever the text in the rename field changes.
"""
button = self.buttonBox.button(QDialogButtonBox.Ok)
empty = isEmpty(self.renameField.value())
button.setDisabled(empty)
self.invalidName.setVisible(empty)
self.setFixedSize(self.sizeHint())
def readyRead(self):
"""
Executed whenever we need to read a message.
"""
while True:
message = self.inStream.readLine()
if isEmpty(message):
break
self.messageReceived.emit(message)
def test_pizza_graphol_to_owl(self):
# GIVEN
self.init('@examples/Pizza.graphol')
# WHEN
exporter = OWLExporter(scene=self.scene, ontoIRI='IRI', ontoPrefix='PREFIX')
exporter.work()
# THEN
translation = exporter.export(OWLSyntax.Functional)
self.assertIsInstance(translation, str)
self.assertFalse(isEmpty(translation))
def test_lubm_graphol_to_graphol(self):
# GIVEN
self.init('@examples/LUBM.graphol')
# WHEN
exporter = GrapholExporter(scene=self.scene)
exporter.run()
# THEN
translation = exporter.export(indent=2)
self.assertIsInstance(translation, str)
self.assertFalse(isEmpty(translation))
def test_lubm_graphol_to_graphol(self):
# GIVEN
self.init('@examples/LUBM.graphol')
# WHEN
exporter = GrapholExporter(scene=self.scene)
exporter.run()
# THEN
translation = exporter.export(indent=2)
self.assertIsInstance(translation, str)
self.assertFalse(isEmpty(translation))
def labelEdited(self):
"""
Change the label of the node.
"""
data = self.textField.value().strip()
data = data if not isEmpty(data) else self.node.label.template
if self.node.text() != data:
command = CommandNodeLabelChange(self.scene, self.node,
self.node.text(), data)
self.scene.undostack.push(command)
def openFile(self, filepath):
"""
Open the given file in the activation window.
:type filepath: str
:rtype: bool
"""
if self.mainwindow:
if not isEmpty(filepath) and os.path.isfile(filepath) and filepath.endswith(Filetype.Graphol.extension):
self.mainwindow.openFile(filepath)
return True
return False
def test_pizza_graphol_to_owl(self):
# GIVEN
self.init('@examples/Pizza.graphol')
# WHEN
exporter = OWLExporter(scene=self.scene,
ontoIRI='IRI',
ontoPrefix='PREFIX')
exporter.work()
# THEN
translation = exporter.export(OWLSyntax.Functional)
self.assertIsInstance(translation, str)
self.assertFalse(isEmpty(translation))
def openFile(self, filepath):
"""
Open the given file in the activation window.
:type filepath: str
:rtype: bool
"""
if self.mainwindow:
if not isEmpty(filepath) and os.path.isfile(
filepath) and filepath.endswith(
Filetype.Graphol.extension):
self.mainwindow.openFile(filepath)
return True
return False
def validate(self):
"""
Validate the form and trigger accept() if the form is valid.
"""
if isEmpty(self.renameField.value()):
msgbox = QMessageBox(self)
msgbox.setIconPixmap(QPixmap(':/icons/warning'))
msgbox.setWindowIcon(QIcon(':/images/eddy'))
msgbox.setWindowTitle('Invalid predicate')
msgbox.setText('You specified an invalid predicate name!')
msgbox.setStandardButtons(QMessageBox.Ok)
msgbox.exec_()
return
# This will strip out leading/trailing whitespaces.
self.renameField.setValue(self.renameField.value())
self.accept()
def focusOutEvent(self, focusEvent):
"""
Executed when the text item lose the focus.
:type focusEvent: QFocusEvent
"""
scene = self.scene()
if scene.mode is DiagramMode.EditText:
# Make sure we have something in the label.
if isEmpty(self.text()):
self.setText(self.template)
focusInData = self.focusInData
currentData = self.text()
if focusInData and focusInData != currentData:
# The code below is a bit tricky: to be able to properly update the node index in
# the diagram scene we need to force the value of the label to it's previous one
# and let the undo command implementation update the index by applying the redo.
# We won't notice any glitch since the back and forth change is going to happen
# within a frame and Qt will only draw the new text. This is the only place where
# this trick is necessary since both the refactor name dialog and the node properties
# tab perform the edit on an external QTextField and oly later they will push the
# change in the label, while here we have realtime edit of the label.
self.setText(focusInData)
node = self.parentItem()
command = CommandNodeLabelChange(scene, node, focusInData,
currentData)
scene.undostack.push(command)
cursor = self.textCursor()
cursor.clearSelection()
self.focusInData = None
self.setTextCursor(cursor)
self.setTextInteractionFlags(Qt.NoTextInteraction)
scene.setMode(DiagramMode.Idle)
scene.sgnUpdated.emit()
super().focusOutEvent(focusEvent)
def focusOutEvent(self, focusEvent):
"""
Executed when the text item lose the focus.
:type focusEvent: QFocusEvent
"""
scene = self.scene()
if scene.mode is DiagramMode.EditText:
# Make sure we have something in the label.
if isEmpty(self.text()):
self.setText(self.template)
focusInData = self.focusInData
currentData = self.text()
if focusInData and focusInData != currentData:
# The code below is a bit tricky: to be able to properly update the node index in
# the diagram scene we need to force the value of the label to it's previous one
# and let the undo command implementation update the index by applying the redo.
# We won't notice any glitch since the back and forth change is going to happen
# within a frame and Qt will only draw the new text. This is the only place where
# this trick is necessary since both the refactor name dialog and the node properties
# tab perform the edit on an external QTextField and oly later they will push the
# change in the label, while here we have realtime edit of the label.
self.setText(focusInData)
node = self.parentItem()
command = CommandNodeLabelChange(scene, node, focusInData, currentData)
scene.undostack.push(command)
cursor = self.textCursor()
cursor.clearSelection()
self.focusInData = None
self.setTextCursor(cursor)
self.setTextInteractionFlags(Qt.NoTextInteraction)
scene.setMode(DiagramMode.Idle)
scene.sgnUpdated.emit()
super().focusOutEvent(focusEvent)
def editingFinished(self):
"""
Executed when the finish in editing the predicate name of the node label
"""
if self.node:
try:
node = self.node
sender = self.sender()
data = sender.value()
data = data if not isEmpty(data) else node.label.template
if data != node.text():
scene = node.scene()
if sender is self.nameField:
commands = []
for n in scene.index.predicates(node.item, node.text()):
commands.append(CommandNodeLabelChange(scene, n, n.text(), data))
name = 'change predicate "{}" name to "{}"'.format(node.text(), data)
scene.undostack.push(CommandRefactor(name, scene, commands))
else:
scene.undostack.push(CommandNodeLabelChange(scene, node, node.text(), data))
except RuntimeError:
pass
def __bool__(self):
"""
Boolean operator implementation.
:rtype: bool
"""
return not isEmpty(self.description) or not isEmpty(self.url)
def iriChanged(self):
"""
Executed whenever the value of the prefix field changes.
"""
button = self.buttonBox.button(QDialogButtonBox.Ok)
button.setEnabled(not isEmpty(self.iriField.value()))
def __bool__(self):
"""
Boolean operator implementation.
:rtype: bool
"""
return not isEmpty(self.description) or not isEmpty(self.url)