forked from AG_QGIS/Plugin_SN_Verfahrensgebiet
Compare commits
11 Commits
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90
functions/verfahrensgebiet_alkis.py
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90
functions/verfahrensgebiet_alkis.py
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@@ -0,0 +1,90 @@
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from enum import Enum
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from qgis.core import (
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QgsVectorLayer, QgsProject, QgsFeature, QgsField, QgsGeometry
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)
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from qgis.PyQt.QtWidgets import QMessageBox
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from qgis.PyQt.QtCore import QVariant
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from sn_basis import get_variable
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alkis_NAS_url = "https://geodienste.sachsen.de/aaa/public_alkis/nas/wfs"
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typename = "adv:AX_BauRaumOderBodenordnungsrecht"
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class LoadStatus(Enum):
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NONE = "none" # nichts geladen
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FIRST = "first" # erstmalig geladen
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RELOAD = "reload" # neu geladen
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KEEP = "keep" # vorhandener Layer behalten
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def _check_existing_layer(tab_widget):
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project = QgsProject.instance()
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existing_layers = project.mapLayersByName("Verfahrensgebiet")
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if not existing_layers:
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return None, LoadStatus.FIRST
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reply = QMessageBox.question(
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tab_widget,
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"Layer bereits vorhanden",
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"Der Layer 'Verfahrensgebiet' existiert bereits.\n"
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"Möchten Sie ihn löschen und neu laden?",
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QMessageBox.StandardButton.Yes | QMessageBox.StandardButton.No,
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QMessageBox.StandardButton.No
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)
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if reply == QMessageBox.StandardButton.Yes:
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for lyr in existing_layers:
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project.removeMapLayer(lyr.id())
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return None, LoadStatus.RELOAD
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else:
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return existing_layers[0], LoadStatus.KEEP
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def verfahrensgebiet_alkis(tab_widget):
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verfahrensnummer = get_variable("verfahrensnummer")
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if not verfahrensnummer:
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QMessageBox.critical(tab_widget, "Fehler",
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"In den Projekteigenschaften ist noch keine Verfahrensnummer eingetragen!")
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return None, LoadStatus.NONE
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# Vorhandenen Layer prüfen
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existing, status = _check_existing_layer(tab_widget)
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if status == LoadStatus.KEEP:
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return existing, status
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# WFS mit Filter laden
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wfs_uri_find = (
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f"url='{alkis_NAS_url}' typename='{typename}' srsname='EPSG:25833' "
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f"sql=SELECT * FROM AX_BauRaumOderBodenordnungsrecht "
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f"WHERE bezeichnung LIKE '{verfahrensnummer}%'"
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)
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temp_layer = QgsVectorLayer(wfs_uri_find, "TempVerfahrensgebiet", "WFS")
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if not temp_layer.isValid():
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QMessageBox.critical(tab_widget, "Fehler", "Layer konnte nicht geladen werden.")
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return None, LoadStatus.NONE
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features = list(temp_layer.getFeatures())
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if not features:
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QMessageBox.critical(tab_widget, "Fehler",
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f"Verfahrenskennzeichen {verfahrensnummer} nicht im WFS gefunden.")
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return None, LoadStatus.NONE
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union_geom = QgsGeometry.unaryUnion([f.geometry() for f in features])
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if union_geom is None or union_geom.isEmpty():
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QMessageBox.critical(tab_widget, "Fehler", "Keine Geometrien zum Verschmelzen gefunden.")
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return None, LoadStatus.NONE
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# Memory-Layer erzeugen
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crs = temp_layer.crs().authid()
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memory_layer = QgsVectorLayer(f"Polygon?crs={crs}", "Verfahrensgebiet", "memory")
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pr = memory_layer.dataProvider()
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pr.addAttributes([QgsField("VKZ", QVariant.String)])
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memory_layer.updateFields()
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feat_union = QgsFeature()
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feat_union.setGeometry(union_geom)
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feat_union.setAttributes([verfahrensnummer])
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pr.addFeatures([feat_union])
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memory_layer.updateExtents()
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# Status: FIRST oder RELOAD
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return memory_layer, status
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22
main.py
22
main.py
@@ -2,7 +2,6 @@ from qgis.utils import plugins
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from sn_basis.ui.dockmanager import DockManager
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from sn_basis.ui.dockmanager import DockManager
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from .ui.dockwidget import DockWidget
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from .ui.dockwidget import DockWidget
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class Verfahrensgebiet:
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class Verfahrensgebiet:
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def __init__(self, iface):
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def __init__(self, iface):
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self.iface = iface
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self.iface = iface
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@@ -13,8 +12,11 @@ class Verfahrensgebiet:
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self.plugin_name = self.__class__.__name__
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self.plugin_name = self.__class__.__name__
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self.dock_name = f"sn_dock_{self.plugin_name.lower()}"
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self.dock_name = f"sn_dock_{self.plugin_name.lower()}"
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def _basis(self):
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return plugins.get("sn_basis")
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def initGui(self):
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def initGui(self):
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basis = plugins.get("sn_basis")
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basis = self._basis()
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if basis and basis.ui:
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if basis and basis.ui:
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self.action = basis.ui.add_action(
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self.action = basis.ui.add_action(
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self.plugin_name,
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self.plugin_name,
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@@ -31,12 +33,22 @@ class Verfahrensgebiet:
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self.dockwidget = None
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self.dockwidget = None
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if self.action:
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if self.action:
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basis = plugins.get("sn_basis")
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basis = self._basis()
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if basis and basis.ui:
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if basis and basis.ui:
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# Action aus Menü und Toolbar entfernen
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basis.ui.remove_action(self.action)
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basis.ui.remove_action(self.action)
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self.action = None
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self.action = None
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# def run(self):
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# if not self.dockwidget:
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# self.dockwidget = DockWidget(self.iface.mainWindow(), subtitle=self.plugin_name)
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# self.dockwidget.setObjectName(self.dock_name)
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# self.dockwidget.action = self.action
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# DockManager.show(self.dockwidget)
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# basis = self._basis()
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# if basis and basis.ui:
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# basis.ui.set_active_plugin(self.action)
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def run(self):
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def run(self):
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self.dockwidget = DockWidget(self.iface.mainWindow(), subtitle=self.plugin_name)
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self.dockwidget = DockWidget(self.iface.mainWindow(), subtitle=self.plugin_name)
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self.dockwidget.setObjectName(self.dock_name)
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self.dockwidget.setObjectName(self.dock_name)
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@@ -49,4 +61,4 @@ class Verfahrensgebiet:
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# Toolbar-Button als aktiv markieren
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# Toolbar-Button als aktiv markieren
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basis = plugins.get("sn_basis")
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basis = plugins.get("sn_basis")
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if basis and basis.ui:
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if basis and basis.ui:
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basis.ui.set_active_plugin(self.action)
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basis.ui.set_active_plugin(self.action)
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@@ -2,7 +2,7 @@
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name=LNO Sachsen | Verfahrensgebiet
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name=LNO Sachsen | Verfahrensgebiet
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qgisMinimumVersion=3.0
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qgisMinimumVersion=3.0
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description=Plugin zum Erzeugen eines Objektes "Verfahrensgebiet"
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description=Plugin zum Erzeugen eines Objektes "Verfahrensgebiet"
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version=25.11.3
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version=25.11.4
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author=Michael Otto
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author=Michael Otto
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email=michael.otto@landkreis-mittelsachsen.de
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email=michael.otto@landkreis-mittelsachsen.de
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about=Plugin zum Erzeugen eines Objektes "Verfahrensgebiet"
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about=Plugin zum Erzeugen eines Objektes "Verfahrensgebiet"
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@@ -1,8 +1,7 @@
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from sn_basis.ui.tabs.settings_tab import SettingsTab
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from sn_basis.ui.tabs.settings_tab import SettingsTab
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from sn_verfahrensgebiet.ui.tabs.tab_a import TabA
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from sn_verfahrensgebiet.ui.tabs.working_tab import WorkingTab
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from sn_verfahrensgebiet.ui.tabs.tab_b import TabB
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from sn_basis.ui.base_dockwidget import BaseDockWidget
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from sn_basis.ui.base_dockwidget import BaseDockWidget
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class DockWidget(BaseDockWidget):
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class DockWidget(BaseDockWidget):
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tabs = [TabA, TabB, SettingsTab]
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tabs = [WorkingTab, SettingsTab]
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@@ -1,12 +0,0 @@
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from qgis.PyQt.QtWidgets import QWidget, QVBoxLayout, QLabel, QLineEdit
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class TabA(QWidget):
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tab_title = "Tab A"
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def __init__(self, parent=None):
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super().__init__(parent)
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layout = QVBoxLayout()
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layout.addWidget(QLabel("Plugin1 – Tab A"))
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layout.addWidget(QLineEdit("Feld A1"))
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layout.addWidget(QLineEdit("Feld A2"))
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self.setLayout(layout)
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@@ -1,11 +0,0 @@
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from qgis.PyQt.QtWidgets import QWidget, QVBoxLayout, QLabel, QTextEdit
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class TabB(QWidget):
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tab_title = "Tab B"
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def __init__(self, parent=None):
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super().__init__(parent)
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layout = QVBoxLayout()
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layout.addWidget(QLabel("Plugin1 – Tab B"))
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layout.addWidget(QTextEdit("Mehrzeiliger Text für Plugin1"))
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self.setLayout(layout)
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112
ui/tabs/working_tab.py
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112
ui/tabs/working_tab.py
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@@ -0,0 +1,112 @@
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from qgis.PyQt.QtWidgets import QWidget, QVBoxLayout, QHBoxLayout, QLabel, QPushButton, QMessageBox
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from qgis.PyQt.QtCore import Qt
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from qgis.core import Qgis, QgsProject, QgsMessageLog
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from qgis.utils import iface
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from sn_verfahrensgebiet.functions.verfahrensgebiet_alkis import verfahrensgebiet_alkis, LoadStatus
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from sn_basis.functions.messages import success, info, warning, error
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from sn_basis.functions.styles import apply_style
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class WorkingTab(QWidget):
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tab_title = "Bearbeitung"
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def __init__(self, parent=None):
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super().__init__(parent)
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layout = QVBoxLayout()
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layout.setAlignment(Qt.AlignmentFlag.AlignTop)
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# Abschnitt 1: Verfahrensgebiet
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row_verf_header = QHBoxLayout()
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lbl_verf = QLabel("<b>Verfahrensgebiet</b>")
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self.haken_verf = self._haken_label()
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row_verf_header.addWidget(lbl_verf)
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row_verf_header.addWidget(self.haken_verf)
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row_verf_header.addStretch()
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layout.addLayout(row_verf_header)
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row_verf_buttons = QHBoxLayout()
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self.btn_verf_alkis = QPushButton("Aus ALKIS laden")
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self.btn_verf_shape = QPushButton("Aus Shape laden")
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row_verf_buttons.addWidget(self.btn_verf_alkis)
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row_verf_buttons.addWidget(self.btn_verf_shape)
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layout.addLayout(row_verf_buttons)
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# Abschnitt 2: Flurstücke (Platzhalter für spätere Implementierung)
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row_flurst_header = QHBoxLayout()
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lbl_flurst = QLabel("<b>Flurstücke</b>")
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self.haken_flurst = self._haken_label()
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row_flurst_header.addWidget(lbl_flurst)
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row_flurst_header.addWidget(self.haken_flurst)
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row_flurst_header.addStretch()
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layout.addLayout(row_flurst_header)
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row_flurst_buttons = QHBoxLayout()
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self.btn_flurst_alkis = QPushButton("Aus ALKIS laden")
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self.btn_flurst_shape = QPushButton("Aus Shape laden")
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row_flurst_buttons.addWidget(self.btn_flurst_alkis)
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row_flurst_buttons.addWidget(self.btn_flurst_shape)
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layout.addLayout(row_flurst_buttons)
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layout.addStretch()
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self.setLayout(layout)
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# Signale verbinden
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self.btn_verf_alkis.clicked.connect(self.handle_verf_alkis)
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# self.btn_verf_shape.clicked.connect(self.handle_verf_shape)
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# self.btn_flurst_alkis.clicked.connect(self.handle_flurst_alkis)
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# self.btn_flurst_shape.clicked.connect(self.handle_flurst_shape)
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def handle_verf_alkis(self):
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self._set_busy(self.btn_verf_alkis, True)
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try:
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layer, status = verfahrensgebiet_alkis(self)
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if not layer or not layer.isValid():
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return
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if status in (LoadStatus.FIRST, LoadStatus.RELOAD):
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# Gemeinsame Logik für erstmaliges und erneutes Laden
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QgsProject.instance().addMapLayer(layer)
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iface.mapCanvas().setExtent(layer.extent())
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iface.mapCanvas().refresh()
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apply_style(layer, "verfahrensgebiet.qml")
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self.setze_haken(self.haken_verf, True)
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# Unterschied nur in der Meldung
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msg = "erstmalig geladen" if status == LoadStatus.FIRST else "neu geladen"
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success("Verfahrensgebiet", f"Layer wurde {msg}.", duration=5)
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elif status == LoadStatus.KEEP:
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info("Verfahrensgebiet", "Vorhandener Layer wurde behalten.", duration=4)
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elif status == LoadStatus.NONE:
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warning("Verfahrensgebiet", "Layer konnte nicht geladen werden.", duration=None)
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finally:
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self._set_busy(self.btn_verf_alkis, False)
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def _set_busy(self, button: QPushButton, busy: bool):
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button.setEnabled(not busy)
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if busy:
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button.setText("Lade ...")
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else:
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button.setText("Aus ALKIS laden")
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def _haken_label(self) -> QLabel:
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label = QLabel()
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label.setFixedSize(20, 20)
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label.setAlignment(Qt.AlignmentFlag.AlignCenter)
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label.setText("") # Start ohne Haken
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return label
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def setze_haken(self, label: QLabel, aktiv: bool):
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"""Zeigt oder entfernt den grünen Haken (Unicode), ohne Theme-Icons."""
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if aktiv:
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label.setText("✓")
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label.setStyleSheet("color: #2ea043; font-weight: bold;")
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else:
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label.setText("")
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label.setStyleSheet("")
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Reference in New Issue
Block a user