def __init__(self, parent_widget):
QDialog.__init__(self, parent_widget)
self.setupUi(self)
settings_directory = os.path.join(os.environ['OPUS_HOME'], 'settings')
self._config_filename = os.path.join(settings_directory, 'database_server_configurations.xml')
try:
root = ElementTree(file=self._config_filename).getroot()
view = XmlView(self)
model = XmlModel(root)
delegate = XmlItemDelegate(view)
view.setModel(model)
# Turns out that Qt Garbage collects the model (and delegate) if we don't explicitly
# bind it to a Python object in addition to using the PyQt .setModel() method.
view._model = model
view._delegate = delegate
view.setItemDelegate(delegate)
view.openDefaultItems()
self.gridlayout.addWidget(view)
self.tree_view = view
self.xml_root = root
return
except IOError, ex:
MessageBox.error(mainwindow = self,
text = 'Could not initialize Database Settings',
detailed_text = str(ex))
self.xml_root = None
self._config_filename = ''
self.configFile = None