class PredicateNodeProperty(NodeProperty):
"""
This class implements the property dialog for predicate nodes.
"""
def __init__(self, scene, node, parent=None):
"""
Initialize the predicate node properties dialog.
:type scene: DiagramScene
:type node: AbstractNode
:type parent: QWidget
"""
super().__init__(scene, node, parent)
meta = scene.meta.metaFor(node.item, node.text())
self.urlField = StringField(self.generalWidget)
self.urlField.setFixedWidth(300)
self.urlField.setValue(meta.url)
self.descriptionField = TextField(self.generalWidget)
self.descriptionField.setFixedSize(300, 160)
self.descriptionField.setValue(meta.description)
self.generalLayout.addRow('URL', self.urlField)
self.generalLayout.addRow('Description', self.descriptionField)
####################################################################################################################
# #
# SLOTS #
# #
####################################################################################################################
@pyqtSlot(int)
def completed(self, code):
"""
Executed when the dialog is terminated.
:type code: int
"""
if code == QDialog.Accepted:
super().completed(code)
self.metaDataChanged()
def metaDataChanged(self):
"""
Change the url and description of the node.
"""
meta = self.scene.meta.metaFor(self.node.item, self.node.text())
copy = meta.copy()
copy.description = self.descriptionField.value()
copy.url = self.urlField.value()
if copy != meta:
command = CommandNodeChangeMeta(self.scene, self.node, meta, copy)
self.scene.undostack.push(command)
class PredicateNodeProperty(NodeProperty):
"""
This class implements the property dialog for predicate nodes.
Note that this dialog window is not used for value-domain nodes even though they are predicate nodes.
"""
def __init__(self, diagram, node, session):
"""
Initialize the node properties dialog.
:type diagram: Diagram
:type node: AbstractNode
:type session: Session
"""
super().__init__(diagram, node, session)
meta = diagram.project.meta(node.type(), node.text())
self.urlLabel = QtWidgets.QLabel(self)
self.urlLabel.setFont(Font('Roboto', 12))
self.urlLabel.setText('URL')
self.urlField = StringField(self)
self.urlField.setFixedWidth(300)
self.urlField.setFont(Font('Roboto', 12))
self.urlField.setValue(meta.get(K_URL, ''))
self.descriptionLabel = QtWidgets.QLabel(self)
self.descriptionLabel.setFont(Font('Roboto', 12))
self.descriptionLabel.setText('Description')
self.descriptionField = TextField(self)
self.descriptionField.setFixedSize(300, 160)
self.descriptionField.setFont(Font('Roboto', 12))
self.descriptionField.setValue(meta.get(K_DESCRIPTION, ''))
self.generalLayout.addRow(self.urlLabel, self.urlField)
self.generalLayout.addRow(self.descriptionLabel, self.descriptionField)
#############################################
# LABEL TAB
#################################
self.textLabel = QtWidgets.QLabel(self)
self.textLabel.setFont(Font('Roboto', 12))
self.textLabel.setText('Text')
self.textField = StringField(self)
self.textField.setFixedWidth(300)
self.textField.setFont(Font('Roboto', 12))
self.textField.setValue(self.node.text())
self.refactorLabel = QtWidgets.QLabel(self)
self.refactorLabel.setFont(Font('Roboto', 12))
self.refactorLabel.setText('Refactor')
self.refactorField = CheckBox(self)
self.refactorField.setFont(Font('Roboto', 12))
self.refactorField.setChecked(False)
if node.type() in {
Item.AttributeNode, Item.ConceptNode, Item.RoleNode
}:
if node.special() is not None:
self.refactorField.setEnabled(False)
self.labelWidget = QtWidgets.QWidget()
self.labelLayout = QtWidgets.QFormLayout(self.labelWidget)
self.labelLayout.addRow(self.textLabel, self.textField)
self.labelLayout.addRow(self.refactorLabel, self.refactorField)
self.mainWidget.addTab(self.labelWidget, 'Label')
#############################################
# SLOTS
#################################
@QtCore.pyqtSlot()
def complete(self):
"""
Executed when the dialog is accepted.
"""
commands = [self.positionChanged(), self.metaDataChanged()]
commands.extend(self.textChanged())
if any(commands):
self.session.undostack.beginMacro('edit {0} properties'.format(
self.node.name))
for command in commands:
if command:
self.session.undostack.push(command)
self.session.undostack.endMacro()
super().accept()
#############################################
# AUXILIARY METHODS
#################################
def metaDataChanged(self):
"""
Change the url and description of the node.
:rtype: QUndoCommand
"""
undo = self.diagram.project.meta(self.node.type(), self.node.text())
redo = undo.copy()
redo[K_DESCRIPTION] = self.descriptionField.value()
redo[K_URL] = self.urlField.value()
if redo != undo:
return CommandNodeSetMeta(self.diagram.project, self.node.type(),
self.node.text(), undo, redo)
return None
def textChanged(self):
"""
Change the label of the node.
:rtype: list
"""
data = self.textField.value().strip()
data = data if not isEmpty(data) else self.node.label.template
if self.node.text() != data:
if self.refactorField.isChecked():
item = self.node.type()
name = self.node.text()
project = self.diagram.project
return [
CommandLabelChange(n.diagram, n, n.text(), data)
for n in project.predicates(item, name)
]
return [
CommandLabelChange(self.diagram, self.node, self.node.text(),
data)
]
return [None]
class PredicateNodeProperty(NodeProperty):
"""
This class implements the property dialog for predicate nodes.
Note that this dialog window is not used for value-domain nodes even though they are predicate nodes.
"""
def __init__(self, diagram, node, session):
"""
Initialize the node properties dialog.
:type diagram: Diagram
:type node: AbstractNode
:type session: Session
"""
super().__init__(diagram, node, session)
meta = diagram.project.meta(node.type(), node.text())
self.urlLabel = QtWidgets.QLabel(self)
self.urlLabel.setFont(Font('Roboto', 12))
self.urlLabel.setText('URL')
self.urlField = StringField(self)
self.urlField.setFixedWidth(300)
self.urlField.setFont(Font('Roboto', 12))
self.urlField.setValue(meta.get('url', ''))
self.descriptionLabel = QtWidgets.QLabel(self)
self.descriptionLabel.setFont(Font('Roboto', 12))
self.descriptionLabel.setText('Description')
self.descriptionField = TextField(self)
self.descriptionField.setFixedSize(300, 160)
self.descriptionField.setFont(Font('Roboto', 12))
self.descriptionField.setValue(meta.get('description', ''))
self.generalLayout.addRow(self.urlLabel, self.urlField)
self.generalLayout.addRow(self.descriptionLabel, self.descriptionField)
#############################################
# LABEL TAB
#################################
self.textLabel = QtWidgets.QLabel(self)
self.textLabel.setFont(Font('Roboto', 12))
self.textLabel.setText('Text')
self.textField = StringField(self)
self.textField.setFixedWidth(300)
self.textField.setFont(Font('Roboto', 12))
self.textField.setValue(self.node.text())
self.refactorLabel = QtWidgets.QLabel(self)
self.refactorLabel.setFont(Font('Roboto', 12))
self.refactorLabel.setText('Refactor')
self.refactorField = CheckBox(self)
self.refactorField.setFont(Font('Roboto', 12))
self.refactorField.setChecked(False)
if node.type() in {Item.AttributeNode, Item.ConceptNode, Item.RoleNode}:
if node.special() is not None:
self.refactorField.setEnabled(False)
self.labelWidget = QtWidgets.QWidget()
self.labelLayout = QtWidgets.QFormLayout(self.labelWidget)
self.labelLayout.addRow(self.textLabel, self.textField)
self.labelLayout.addRow(self.refactorLabel, self.refactorField)
self.mainWidget.addTab(self.labelWidget, 'Label')
#############################################
# SLOTS
#################################
@QtCore.pyqtSlot()
def complete(self):
"""
Executed when the dialog is accepted.
"""
commands = [self.positionChanged(), self.metaDataChanged()]
commands.extend(self.textChanged())
if any(commands):
self.session.undostack.beginMacro('edit {0} properties'.format(self.node.name))
for command in commands:
if command:
self.session.undostack.push(command)
self.session.undostack.endMacro()
super().accept()
#############################################
# AUXILIARY METHODS
#################################
def metaDataChanged(self):
"""
Change the url and description of the node.
:rtype: QUndoCommand
"""
meta = self.diagram.project.meta(self.node.type(), self.node.text())
copy = meta.copy()
copy['description'] = self.descriptionField.value()
copy['url'] = self.urlField.value()
if copy != meta:
return CommandNodeChangeMeta(self.diagram, self.node, meta, copy)
return None
def textChanged(self):
"""
Change the label of the node.
:rtype: list
"""
data = self.textField.value().strip()
data = data if not isEmpty(data) else self.node.label.template
if self.node.text() != data:
if self.refactorField.isChecked():
item = self.node.type()
name = self.node.text()
project = self.diagram.project
return [CommandLabelChange(n.diagram, n, n.text(), data) for n in project.predicates(item, name)]
return [CommandLabelChange(self.diagram, self.node, self.node.text(), data)]
return [None]
