def startDrag(self, supportedActions):
        index = self.currentIndex()
        if not index.isValid():
            return

        item = self.model().itemFromIndex(index)
        path = getattr(item, '_path', None)
        if path is None:
            qWarning('MessageTreeWidget.startDrag(): no _path set on item %s' % item)
            return

        data = QMimeData()
        data.setText(item._path)

        drag = QDrag(self)
        drag.setMimeData(data)
        drag.exec_()
    def startDrag(self, supportedActions):
        index = self.currentIndex()
        if not index.isValid():
            return

        item = self.model().itemFromIndex(index)
        path = getattr(item, '_path', None)
        if path is None:
            qWarning('MessageTreeWidget.startDrag(): no _path set on item %s' % item)
            return

        data = QMimeData()
        data.setText(item._path)

        drag = QDrag(self)
        drag.setMimeData(data)
        drag.exec_()