Comboboxen Thema und Massstab hinzugefügt

ui/tab_b_ui.py

@@ -9,27 +9,26 @@ from sn_basis.functions.qt_wrapper import (
     QWidget,
     QVBoxLayout,
     QLabel,
-    QPushButton,
-    QToolButton,
-    QFileDialog,
-    QMessageBox,
-    ToolButtonTextBesideIcon,
-    ArrowDown,
-    ArrowRight,
-    SizePolicyPreferred,
-    SizePolicyMaximum,
     QComboBox,
 )
-from sn_basis.functions.qgisui_wrapper import QgsFileWidget, QgsMapLayerComboBox
-from sn_basis.functions.qgiscore_wrapper import QgsProject, QgsMapLayerProxyModel
+from sn_basis.functions.qgisui_wrapper import iface
 from sn_basis.functions.variable_wrapper import get_variable, set_variable
-from sn_basis.modules.pruef_ergebnis import pruef_ergebnis
 
 # Services (werden von DockWidget injiziert)
 from sn_basis.modules.Pruefmanager import Pruefmanager
 from sn_basis.modules.DataGrabber import DataGrabber
-from sn_basis.modules.Dateipruefer import Dateipruefer
-from sn_plan41.ui.tab_b_logic import TabBLogic
+from sn_plan41.ui.tab_b_logic import (
+    TabBLogic,
+    MASSSTAB_WIE_KARTENFENSTER,
+    PLOTMASSSTAB_BY_AUSWAHL,
+)
+
+
+THEMA_VAR = "tab_b_thema"
+THEMA_PLACEHOLDER = "Thema wählen"
+THEMA_38 = "§38"
+THEMA_41 = "§41"
+MASSSTAB_VAR = "tab_b_massstab"
 
 class TabB(QWidget):
     """
@@ -60,54 +59,100 @@ class TabB(QWidget):
         self.pruefmanager: Optional[Pruefmanager] = None
         
         self.logic: Optional[TabBLogic] = None
-        
+        self._thema_combo: Optional[QComboBox] = None
+        self._massstab_combo: Optional[QComboBox] = None
 
         
         self._build_ui()
         self._restore_state()
 
+    def set_services(self, pruefmanager: Pruefmanager, data_grabber: DataGrabber) -> None:
+        """Injiziert Services vom übergeordneten DockWidget."""
+        _ = data_grabber
+        self.pruefmanager = pruefmanager
+        self.logic = TabBLogic(pruefmanager=self.pruefmanager)
+
+        if self._thema_combo:
+            self.logic.set_kartenname_for_thema(self._thema_combo.currentText())
+        if self._massstab_combo:
+            self.logic.set_plotmassstab_for_auswahl(
+                self._massstab_combo.currentText(),
+                self._get_current_canvas_scale(),
+            )
+
     def _build_ui(self) -> None:
-        """Erstellt die komplette UI-Hierarchie mit allen Gruppen."""
+        """Erstellt die reduzierte UI für die Themenauswahl."""
         main_layout = QVBoxLayout()
         main_layout.setSpacing(4)
         main_layout.setContentsMargins(4, 4, 4, 4)
 
+        thema_label = QLabel("Thema")
+        thema_label.setStyleSheet("font-weight: bold; margin-top: 6px;")
+        main_layout.addWidget(thema_label)
 
-        # === LAYER-AUSWAHL ===
-        layer_label = QLabel("Verfahrensgebiet-Layer auswählen")
-        layer_label.setStyleSheet("font-weight: bold; margin-top: 6px;")
-        main_layout.addWidget(layer_label)
-        
-        self.layer_combo = QgsMapLayerComboBox()
-        self.layer_combo.setFilters(QgsMapLayerProxyModel.VectorLayer)
-        self.layer_combo.layerChanged.connect(self._on_layer_changed)
-        main_layout.addWidget(self.layer_combo)
+        self._thema_combo = QComboBox(self)
+        self._thema_combo.addItem(THEMA_PLACEHOLDER)
+        self._thema_combo.addItem(THEMA_38)
+        self._thema_combo.addItem(THEMA_41)
+        self._thema_combo.currentTextChanged.connect(self._on_thema_changed)
+        main_layout.addWidget(self._thema_combo)
+
+        massstab_label = QLabel("Massstab")
+        massstab_label.setStyleSheet("font-weight: bold; margin-top: 6px;")
+        main_layout.addWidget(massstab_label)
+
+        self._massstab_combo = QComboBox(self)
+        self._massstab_combo.addItem(MASSSTAB_WIE_KARTENFENSTER)
+        self._massstab_combo.addItems(list(PLOTMASSSTAB_BY_AUSWAHL.keys()))
+        self._massstab_combo.currentTextChanged.connect(self._on_massstab_changed)
+        main_layout.addWidget(self._massstab_combo)
+
+        main_layout.addStretch(1)
+        self.setLayout(main_layout)
 
     def _restore_state(self) -> None:
-        """Stellt UI-State aus Projektvariablen/Persistenz wieder her."""
-
-    # === UI CALLBACKS ===
-    def _toggle_group(self, checked: bool) -> None:
-        """Zeigt/verbirgt Verfahrens-DB-Gruppe."""
-        self.group_button.setArrowType(ArrowDown if checked else ArrowRight)
-        self.group_content.setVisible(checked)
-
-    def _toggle_optional(self, checked: bool) -> None:
-        """Zeigt/verbirgt optionale Linkliste."""
-        self.optional_button.setArrowType(ArrowDown if checked else ArrowRight)
-        self.optional_content.setVisible(checked)
-
-    def _on_layer_changed(self, layer) -> None:
-        """Persistiert Layer-Auswahl und registriert Verfahrensgebiet."""
-        self._pufferlayer = layer
-
-        if not layer:
+        """Stellt die gespeicherten Combobox-Zustände wieder her."""
+        if not self._thema_combo or not self._massstab_combo:
             return
 
-        # UI-State speichern
-        set_variable("tab_b_layer_id", layer.id(), scope="project")
+        saved_thema = get_variable(THEMA_VAR, scope="project")
+        if saved_thema in (THEMA_38, THEMA_41):
+            self._thema_combo.setCurrentText(saved_thema)
+        else:
+            self._thema_combo.setCurrentText(THEMA_PLACEHOLDER)
+
+        saved_massstab = get_variable(MASSSTAB_VAR, scope="project")
+        valid_massstaebe = [MASSSTAB_WIE_KARTENFENSTER, *PLOTMASSSTAB_BY_AUSWAHL.keys()]
+        if saved_massstab in valid_massstaebe:
+            self._massstab_combo.setCurrentText(saved_massstab)
+        else:
+            self._massstab_combo.setCurrentText(MASSSTAB_WIE_KARTENFENSTER)
+
+    def _on_thema_changed(self, value: str) -> None:
+        """Persistiert die Themenauswahl und setzt den Kartennamen."""
+        if value in (THEMA_38, THEMA_41):
+            set_variable(THEMA_VAR, value, scope="project")
+        else:
+            set_variable(THEMA_VAR, "", scope="project")
 
-        # 🔹 NEU: Verfahrensgebiet explizit registrieren
         if self.logic:
-            self.logic.save_verfahrensgebiet_layer(layer)
+            self.logic.set_kartenname_for_thema(value)
+
+    def _on_massstab_changed(self, value: str) -> None:
+        """Persistiert Maßstabsauswahl und setzt ``sn_plotmassstab``."""
+        set_variable(MASSSTAB_VAR, value, scope="project")
+
+        if self.logic:
+            self.logic.set_plotmassstab_for_auswahl(value, self._get_current_canvas_scale())
+
+    def _get_current_canvas_scale(self) -> float | None:
+        """Liest den aktuellen Maßstab aus der Kartensicht."""
+        try:
+            canvas = iface.mapCanvas()
+            if canvas is None:
+                return None
+            scale = canvas.scale()
+            return float(scale) if scale else None
+        except Exception:
+            return None