MNT/BUG: Misc fixes

atef/ui/config_window.ui

@@ -37,6 +37,8 @@
     <property name="title">
      <string>File</string>
     </property>
+    <addaction name="action_welcome_tab"/>
+    <addaction name="separator"/>
     <addaction name="action_new_file"/>
     <addaction name="separator"/>
     <addaction name="action_open_file"/>
@@ -120,6 +122,11 @@
     <string>Find / Replace</string>
    </property>
   </action>
+  <action name="action_welcome_tab">
+   <property name="text">
+    <string>Welcome Tab</string>
+   </property>
+  </action>
  </widget>
  <resources/>
  <connections/>

atef/widgets/config/data_passive.py

@@ -637,6 +637,17 @@ def new_if_disc_combo(self, value: str) -> None:
         self.bridge.if_disconnected.put(Severity[value])
 
 
+def float_or_none(value):
+    """
+    Returns a float, or if value is None, return None.
+    a "from_str" function for optional values
+    """
+    if value in ('', None):
+        return None
+
+    return float(value)
+
+
 class EqualsMixin:
     """
     Utilities for atol/rtol style data widgets
@@ -679,13 +690,13 @@ def setup_equals_widget(self) -> None:
         setup_line_edit_data(
             line_edit=self.atol_edit,
             value_obj=self.bridge.atol,
-            from_str=float,
+            from_str=float_or_none,
             to_str=str,
         )
         setup_line_edit_data(
             line_edit=self.rtol_edit,
             value_obj=self.bridge.rtol,
-            from_str=float,
+            from_str=float_or_none,
             to_str=str,
         )
         starting_value = self.bridge.value.get()
@@ -865,6 +876,12 @@ def setup_range_widget(self) -> None:
         self.update_symbols(self.bridge.inclusive.get())
         # One additional visual update on inversion
         self.bridge.invert.changed_value.connect(self.update_visualization)
+
+        # update on value changes
+        self.bridge.low.changed_value.connect(self.update_visualization)
+        self.bridge.high.changed_value.connect(self.update_visualization)
+        self.bridge.warn_low.changed_value.connect(self.update_visualization)
+        self.bridge.warn_high.changed_value.connect(self.update_visualization)
         # Make sure this was called at least once
         self.update_visualization()
 
@@ -969,11 +986,16 @@ def update_visualization(self, *args, **kwargs) -> None:
             self.vertical_line_3.show()
             self.warn_low_label.show()
             self.warn_high_label.show()
+            # update labels
+            self.warn_high_label.setText(str(warn_high_mark))
+            self.warn_low_label.setText(str(warn_low_mark))
         # The yellow and green lines should be sized relative to each other
         total_range = high_mark - low_mark
         left_range = warn_low_mark - low_mark
         mid_range = warn_high_mark - warn_low_mark
         right_range = high_mark - warn_high_mark
+        self.low_label.setText(str(low_mark))
+        self.high_label.setText(str(high_mark))
         self.left_yellow_line.setFixedWidth(int(
             real_space * left_range/total_range
         ))

atef/widgets/config/page.py

@@ -1672,7 +1672,7 @@ def replace_step(
         if found_row is None:
             return
 
-        step_row = ComparisonRowWidget(data=new_step)
+        step_row = ConfigurationGroupRowWidget(data=new_step)
         self.setup_row_buttons(
             row_widget=step_row,
             item=comp_item,
@@ -1791,12 +1791,16 @@ def select_step_type(self, new_type_index: int) -> None:
             return
 
         step = cast_dataclass(data=self.data, new_type=new_type)
+        # Assumes self.parent_tree_item.widget: ProcedureGroupPage
+        # put another way, this assumes steps cannot be parent of other steps
         self.parent_tree_item.widget.replace_step(
             old_step=self.data,
             new_step=step,
             comp_item=self.tree_item,
         )
         self.tree_item.setText(1, new_type.__name__)
+        # remove old children, no longer needed.
+        self.tree_item.takeChildren()
         self.new_step(step=step)
         self.update_context()
 

atef/widgets/config/window.py

@@ -58,6 +58,7 @@ class Window(DesignerDisplay, QMainWindow):
     user_filename_ext = 'json'
 
     tab_widget: QTabWidget
+    action_welcome_tab: QAction
     action_new_file: QAction
     action_open_file: QAction
     action_save: QAction
@@ -72,6 +73,7 @@ class Window(DesignerDisplay, QMainWindow):
     def __init__(self, *args, show_welcome: bool = True, **kwargs):
         super().__init__(*args, **kwargs)
         self.setWindowTitle('atef config')
+        self.action_welcome_tab.triggered.connect(self.welcome_user)
         self.action_new_file.triggered.connect(self.new_file)
         self.action_open_file.triggered.connect(self.open_file)
         self.action_save.triggered.connect(self.save)
@@ -234,6 +236,13 @@ def open_file(self, *args, filename: Optional[str] = None, **kwargs):
             except ValidationError:
                 logger.error('failed to open file as either active '
                              'or passive checkout')
+                msg = QtWidgets.QMessageBox(parent=self)
+                msg.setIcon(QtWidgets.QMessageBox.Critical)
+                msg.setText('Failed to open file as either an active or passive '
+                            'checkout.  The file may be corrupted or malformed.')
+                msg.setWindowTitle('Could not open file')
+                msg.exec_()
+                return
         self._new_tab(data=data, filename=filename)
 
     def _new_tab(

docs/source/upcoming_release_notes/213-mnt_bug_misc_fixes.rst

@@ -0,0 +1,27 @@
+213 mnt_bug_misc_fixes
+######################
+
+API Breaks
+----------
+- N/A
+
+Features
+--------
+- N/A
+
+Bugfixes
+--------
+- `RangeWidget`'s visualizations update a bit more frequently, and also the label text actually updates. Closes #212
+- Adds a menu option to open the welcome tab, since people like it.  Closes #201
+- Properly shows an error message box when a file can't be opened.  Closes #202
+- Removes child `AtefItem` from a ProcedureStep when it's changed from the specific-step-combobox.  Closes #195
+- Allow tolerances to be `None` in `Equals` comparison.  Modifies the line-edit setup to allow null values (`''`, `None`) when casting the line edit value.  Closes #128
+
+
+Maintenance
+-----------
+- N/A
+
+Contributors
+------------
+- tangkong