Exemplo n.º 1
0
    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