fix handling of Lab files in the modify and export view

src/asammdf/gui/widgets/file.py

@@ -1288,10 +1288,13 @@ def load_filter_list(self, event=None, file_name=None):
             iterator = QtWidgets.QTreeWidgetItemIterator(self.filter_tree)
 
             if self.filter_view.currentText() == "Internal file structure":
-                while iterator.value():
+                while True:
                     item = iterator.value()
+                    if item is None:
+                        break
+                    iterator += 1
+
                     if item.parent() is None:
-                        iterator += 1
                         continue
 
                     channel_name = item.text(0)
@@ -1301,10 +1304,11 @@ def load_filter_list(self, event=None, file_name=None):
                     else:
                         item.setCheckState(0, QtCore.Qt.Unchecked)
 
-                    iterator += 1
             elif self.filter_view.currentText() == "Natural sort":
-                while iterator.value():
+                while True:
                     item = iterator.value()
+                    if item is None:
+                        break
 
                     channel_name = item.text(0)
                     if channel_name in channels:
@@ -1319,6 +1323,8 @@ def load_filter_list(self, event=None, file_name=None):
                 items = []
                 self.filter_tree.clear()
 
+                self._selected_filter = set(channels)
+
                 for i, gp in enumerate(self.mdf.groups):
                     for j, ch in enumerate(gp.channels):
                         if ch.name in channels:
@@ -1327,7 +1333,6 @@ def load_filter_list(self, event=None, file_name=None):
                             channel.setText(0, ch.name)
                             channel.setCheckState(0, QtCore.Qt.Checked)
                             items.append(channel)
-
                             channels.pop(channels.index(ch.name))
 
                 if len(items) < 30000:
@@ -1336,6 +1341,8 @@ def load_filter_list(self, event=None, file_name=None):
                     items.sort(key=lambda x: x.name)
                 self.filter_tree.addTopLevelItems(items)
 
+                self.update_selected_filter_channels()
+
     def compute_cut_hints(self):
         t_min = []
         t_max = []
@@ -2965,11 +2972,28 @@ def raster_search(self, event):
 
     def filter_changed(self, item, column):
         name = item.text(0)
-        if item.checkState(0) == QtCore.Qt.Checked:
-            self._selected_filter.add(name)
+        if self.filter_view.currentText() == "Internal file structure":
+            if item.checkState(0) == QtCore.Qt.Checked and item.parent() is not None:
+                self._selected_filter.add(name)
+            else:
+                if name in self._selected_filter:
+                    self._selected_filter.remove(name)
+
+        elif self.filter_view.currentText() == "Natural sort":
+            if item.checkState(0) == QtCore.Qt.Checked:
+                self._selected_filter.add(name)
+            else:
+                if name in self._selected_filter:
+                    self._selected_filter.remove(name)
+
         else:
-            if name in self._selected_filter:
-                self._selected_filter.remove(name)
+            if item.checkState(0) == QtCore.Qt.Checked:
+                self._selected_filter.add(name)
+            else:
+                if name in self._selected_filter:
+                    self._selected_filter.remove(name)
+            self._update_channel_tree(widget=self.filter_tree)
+
         self._filter_timer.start(10)
 
     def update_selected_filter_channels(self):

src/asammdf/version.py

@@ -1,4 +1,4 @@
 # -*- coding: utf-8 -*-
 """ asammdf version module """
 
-__version__ = "7.3.10"
+__version__ = "7.3.11"