add RequiredFieldLabel widget for creating marked labels in code

Author: nmaarnio

arho_feature_template/gui/components/additional_information_widget.py

@@ -15,6 +15,7 @@
 )
 
 from arho_feature_template.core.models import AdditionalInformation
+from arho_feature_template.gui.components.required_field_label import RequiredFieldLabel
 from arho_feature_template.gui.components.value_input_widgets import (
     ValueWidgetManager,
 )
@@ -72,7 +73,7 @@ def __init__(self, additional_information: AdditionalInformation, parent=None):
                 if self.value_widget_manager.value_widget is not None
                 else QLabel("Syötekenttää tälle tyypille ei ole vielä toteutettu")
             )
-            self._add_widget(QLabel("Arvo"), widget)
+            self._add_widget(RequiredFieldLabel("Arvo"), widget)
 
     def _add_widget(self, label: QLabel, widget: QWidget):
         self.form_layout.addRow(label, widget)

arho_feature_template/gui/components/plan_regulation_widget.py

@@ -16,6 +16,7 @@
 )
 from arho_feature_template.gui.components.additional_information_widget import AdditionalInformationWidget
 from arho_feature_template.gui.components.code_combobox import HierarchicalCodeComboBox
+from arho_feature_template.gui.components.required_field_label import RequiredFieldLabel
 from arho_feature_template.gui.components.value_input_widgets import (
     IntegerInputWidget,
     SinglelineTextInputWidget,
@@ -84,12 +85,12 @@ def __init__(self, regulation: Regulation, parent=None):
     def _init_widgets(self):
         # Value input
         if self.config.default_value:
-            self._add_widget(QLabel("Arvo"), self.value_widget_manager.value_widget)
+            self._add_widget(RequiredFieldLabel("Arvo"), self.value_widget_manager.value_widget)
 
         if self.config.regulation_code == "sanallinenMaarays":
             self.type_of_verbal_regulation_widget = HierarchicalCodeComboBox()
             self.type_of_verbal_regulation_widget.populate_from_code_layer(VerbalRegulationType)
-            self._add_widget(QLabel("Sanallisen määräyksen laji"), self.type_of_verbal_regulation_widget)
+            self._add_widget(RequiredFieldLabel("Sanallisen määräyksen laji"), self.type_of_verbal_regulation_widget)
             if self.regulation.verbal_regulation_type_id is not None:
                 self.type_of_verbal_regulation_widget.set_value(self.regulation.verbal_regulation_type_id)
 

arho_feature_template/gui/components/required_field_label.py

@@ -0,0 +1,17 @@
+from __future__ import annotations
+
+from qgis.PyQt.QtWidgets import QLabel, QWidget
+
+
+class RequiredFieldLabel(QLabel):
+    """QLabel that prefixes the text with a red asterisk."""
+
+    def __init__(self, text: str, parent: QWidget | None = None):
+        super().__init__(self._prefix(text), parent)
+
+    def setText(self, text: str):  # noqa: N802
+        return super().setText(self._prefix(text))
+
+    @staticmethod
+    def _prefix(text: str) -> str:
+        return f'<span style="color: red;">* </span>{text}'