Improve groups enable/disable handling.

src/asammdf/gui/widgets/plot.py

@@ -2186,6 +2186,8 @@ def add_new_items(tree, root, items, items_pool):
                                 if info["enabled"]
                                 else QtCore.Qt.Unchecked,
                             )
+                    if info["disabled"]:
+                        item.set_disabled(info["disabled"])
 
                 self.channel_selection.blockSignals(False)
                 self.channel_selection.refresh()
@@ -2464,10 +2466,8 @@ def channel_selection_item_double_clicked(self, item, button):
                         self.channel_selection.setExpandsOnDoubleClick(False)
                     if item.isDisabled():
                         item.set_disabled(False)
-                        item.setIcon(item.NameColumn, QtGui.QIcon(":/open.png"))
                     else:
                         item.set_disabled(True)
-                        item.setIcon(item.NameColumn, QtGui.QIcon(":/erase.png"))
                     self.plot.update()
                 else:
                     item.setExpanded(not item.isExpanded())

src/asammdf/gui/widgets/tree.py

@@ -367,19 +367,28 @@ class Delegate(QtWidgets.QItemDelegate):
     def __init__(self, *args):
         super().__init__(*args)
 
-    def paint(self, pinter, option, index):
+    def paint(self, painter, option, index):
         model = index.model()
 
+        item = self.parent().itemFromIndex(index)
         brush = model.data(index, QtCore.Qt.ForegroundRole)
 
+        # Paint disabled items - hard way
+        if item and item.type() == item.Channel and item.parent():
+            for column in range(item.columnCount()):
+                if item.isDisabled():
+                    item.setForeground(column, QtGui.Qt.darkGray)
+                else:
+                    item.setForeground(column, item.color)
+
         if brush is not None:
             color = brush.color()
 
             complementary = fn.mkColor("#000000")
             option.palette.setColor(QtGui.QPalette.Highlight, color)
             option.palette.setColor(QtGui.QPalette.HighlightedText, complementary)
 
-        super().paint(pinter, option, index)
+        super().paint(painter, option, index)
 
 
 class ChannelsTreeFlags(IntFlag):
@@ -1042,14 +1051,14 @@ def open_menu(self):
             # for item in self.selectedItems():
             if item.type() == item.Group and item.isDisabled():
                 item.set_disabled(False)
-                item.setIcon(item.NameColumn, QtGui.QIcon(":/open.png"))
             self.group_activation_changed.emit()
 
         elif action_text == "Deactivate groups":
-            for item in self.selectedItems():
+            selectedItems = self.selectedItems()
+            selectedItems.append(item)
+            for item in selectedItems:
                 if item.type() == item.Group and not item.isDisabled():
                     item.set_disabled(True)
-                    item.setIcon(item.NameColumn, QtGui.QIcon(":/erase.png"))
 
             self.group_activation_changed.emit()
 
@@ -1699,6 +1708,9 @@ def __init__(
             self.setCheckState(self.NameColumn, QtCore.Qt.Unchecked)
             self.name = name.split("\t[")[0]
 
+            # Store Previous State (Disabled/Enabled)
+            self._previous_state = self.isDisabled()
+
         elif type == self.Channel:
             self.signal = signal
             self.details = None
@@ -2105,7 +2117,7 @@ def set_conversion(self, conversion):
                 child = self.child(i)
                 child.set_conversion(conversion)
 
-    def set_disabled(self, disabled):
+    def set_disabled(self, disabled, preserve_subgroup_state=True):
         if self.type() == self.Channel:
             self.setDisabled(disabled)
             if self.details is not None:
@@ -2118,12 +2130,29 @@ def set_disabled(self, disabled):
                 self.signal.enable = enable
 
         elif self.type() == self.Group:
+            # If the group is subgroup (has a parent)
+            if self.parent() and not self.parent().isDisabled():
+                # And the action was triggered on it
+                if preserve_subgroup_state:
+                    # Save current state
+                    self._previous_state = not self.isDisabled()
+                # Restore state
+                elif not disabled:
+                    disabled = self._previous_state
+
+            if disabled:
+                self.setIcon(self.NameColumn, QtGui.QIcon(":/erase.png"))
+            elif not self.parent() or (
+                self.parent() and not self.parent().isDisabled()
+            ):
+                self.setIcon(self.NameColumn, QtGui.QIcon(":/open.png"))
+
             self.setDisabled(disabled)
 
             count = self.childCount()
             for i in range(count):
                 child = self.child(i)
-                child.set_disabled(disabled)
+                child.set_disabled(disabled, preserve_subgroup_state=False)
 
     def set_fmt(self, fmt):
         if self.kind in "SUV":

src/asammdf/version.py

@@ -1,4 +1,4 @@
 # -*- coding: utf-8 -*-
 """ asammdf version module """
 
-__version__ = "7.3.15.dev5"
+__version__ = "7.3.15.dev6"