[orange add-on][dataselection] add Setting

orangecontrib/id06workflow/widgets/dataselection.py

@@ -31,9 +31,9 @@ __date__ = "02/10/2018"
 from Orange.widgets import gui
 from Orange.widgets.widget import OWWidget
 from Orange.canvas.registry.description import OutputSignal
+from Orange.widgets.settings import Setting
 from id06workflow.gui.datasetselection import DatasetSelection
 from id06workflow.core.experiment import Experiment
-from Orange.widgets.settings import Setting
 from silx.gui import qt
 import os
 import logging
@@ -85,12 +85,18 @@ class DataSelectionOW(OWWidget):
 
         if os.path.isfile(self._data_file_pattern):
             self._widget.setDataFilesPattern(self._data_file_pattern)
+        elif self._data_file_pattern != '':
+            _logger.info('%s is not recognized as an existing file pattern' % self._data_file_pattern)
         for _file in self._flat_field_files:
             if os.path.isfile(_file):
                 self._widget.addFlatFieldFile(_file)
+            else:
+                _logger.info('%s is not a valid file path')
         for _file in self._dark_files:
             if os.path.isfile(_file):
                 self._widget.addDarkFile(_file)
+            else:
+                _logger.info('%s is not a valid file path')
 
     def _process(self):
         """
@@ -106,3 +112,8 @@ class DataSelectionOW(OWWidget):
 
     def sizeHint(self):
         return qt.QSize(400, 400)
+
+    def updateProperties(self):
+        self._data_file_pattern = self._widget.getDataFilesPattern()
+        self._flat_field_files = self._widget.getFlatFieldFiles()
+        self._dark_files = self._widget.getDarkFiles()