# coding: utf-8
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__authors__ = ["H. Payno"]
__license__ = "MIT"
__date__ = "06/07/2019"


import logging
from ewoksorange.bindings.owwidgets import OWEwoksWidgetOneThread
from ewokscore.hashing import MissingData
from est.core.types import XASObject

_logger = logging.getLogger(__file__)


class _ProcessForOrangeMixIn(OWEwoksWidgetOneThread):
    def handleNewSignals(self):
        self.task_input_changed()
        super().handleNewSignals()

    def task_input_changed(self):
        pass

    def task_output_changed(self):
        if "xas_obj" in self.task_outputs:
            xas_obj = self.task_outputs["xas_obj"].value
            if isinstance(xas_obj, MissingData):
                _logger.warning("no output data set. Unable to update the GUI")
                return
            elif isinstance(xas_obj, dict):
                xas_obj = XASObject.from_dict(xas_obj)

            if hasattr(self, "_window") and hasattr(self._window, "setXASObj"):
                self._window.setXASObj(xas_obj=xas_obj)
            elif hasattr(self, "_window") and hasattr(self._window, "xasObjViewer"):
                if hasattr(self._window.xasObjViewer, "setXASObj"):
                    self._window.xasObjViewer.setXASObj(xas_obj=xas_obj)