trimble_geodesy/main.py

#!/usr/bin/env python3
"""
Trimble Geodesy Tool - Hauptprogramm mit GUI
Geodätische Vermessungsarbeiten mit JXL-Dateien
Version 3.0 - Überarbeitet: Korrekte Netzausgleichung, Berechnungsprotokoll, Datenfluss
"""

import sys
import os
from pathlib import Path
from itertools import combinations
import math

# Module-Pfad hinzufügen
sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))

from PyQt5.QtWidgets import (
    QApplication, QMainWindow, QWidget, QTabWidget, QVBoxLayout, QHBoxLayout,
    QGridLayout, QLabel, QPushButton, QLineEdit, QTextEdit, QFileDialog,
    QTableWidget, QTableWidgetItem, QMessageBox, QGroupBox, QComboBox,
    QSpinBox, QDoubleSpinBox, QCheckBox, QSplitter, QFrame, QScrollArea,
    QHeaderView, QListWidget, QListWidgetItem, QDialog, QDialogButtonBox,
    QFormLayout, QProgressBar, QStatusBar, QMenuBar, QMenu, QAction,
    QToolBar, QStyle, QTreeWidget, QTreeWidgetItem, QAbstractItemView,
    QRadioButton, QButtonGroup
)
from PyQt5.QtCore import Qt, QThread, pyqtSignal
from PyQt5.QtGui import QFont, QIcon, QPalette, QColor, QBrush

from modules.jxl_parser import JXLParser
from modules.cor_generator import CORGenerator, CORPoint
from modules.transformation import CoordinateTransformer, LocalSystemTransformer
from modules.georeferencing import Georeferencer, ControlPoint
from modules.network_adjustment import NetworkAdjustment
from modules.reference_point_adjuster import ReferencePointAdjuster, TransformationResult


# =============================================================================
# Globaler Speicher für ausgeglichene Punkte
# =============================================================================
class AdjustedPointsStore:
    """Globaler Speicher für ausgeglichene Koordinaten"""
    _instance = None
    
    def __new__(cls):
        if cls._instance is None:
            cls._instance = super().__new__(cls)
            cls._instance.points = {}  # {name: (x, y, z)}
            cls._instance.available = False
        return cls._instance
    
    def set_points(self, points_dict):
        """Speichert ausgeglichene Punkte"""
        self.points = points_dict.copy()
        self.available = True
    
    def get_points(self):
        """Gibt ausgeglichene Punkte zurück"""
        return self.points.copy()
    
    def clear(self):
        """Löscht gespeicherte Punkte"""
        self.points = {}
        self.available = False
    
    def is_available(self):
        """Prüft ob ausgeglichene Punkte verfügbar sind"""
        return self.available and len(self.points) > 0


# Globale Instanz
adjusted_points_store = AdjustedPointsStore()


# =============================================================================
# Export-Dialog (wiederverwendbar für alle Module)
# =============================================================================
class ExportFormatDialog(QDialog):
    """Dialog zur Auswahl des Export-Formats (COR, CSV, TXT, DXF)"""
    
    def __init__(self, parent=None, title="Export-Format wählen"):
        super().__init__(parent)
        self.setWindowTitle(title)
        self.setMinimumWidth(300)
        self.selected_format = "cor"  # Standard
        self.setup_ui()
    
    def setup_ui(self):
        layout = QVBoxLayout(self)
        
        # Format-Auswahl
        format_group = QGroupBox("Export-Format auswählen")
        format_layout = QVBoxLayout(format_group)
        
        self.format_group = QButtonGroup(self)
        
        self.cor_radio = QRadioButton("COR - Koordinatendatei (Standard)")
        self.cor_radio.setChecked(True)
        self.format_group.addButton(self.cor_radio, 0)
        format_layout.addWidget(self.cor_radio)
        
        self.csv_radio = QRadioButton("CSV - Komma-getrennte Werte")
        self.format_group.addButton(self.csv_radio, 1)
        format_layout.addWidget(self.csv_radio)
        
        self.txt_radio = QRadioButton("TXT - Tabulatorgetrennt")
        self.format_group.addButton(self.txt_radio, 2)
        format_layout.addWidget(self.txt_radio)
        
        self.dxf_radio = QRadioButton("DXF - AutoCAD Format")
        self.format_group.addButton(self.dxf_radio, 3)
        format_layout.addWidget(self.dxf_radio)
        
        layout.addWidget(format_group)
        
        # Info-Text
        info_label = QLabel(
            "💡 COR und CSV: PunktID,X,Y,Z (keine Header-Zeile)\n"
            "    TXT: Tabulatorgetrennt\n"
            "    DXF: AutoCAD-kompatibel"
        )
        info_label.setStyleSheet("color: #666; font-style: italic; padding: 5px;")
        layout.addWidget(info_label)
        
        # Buttons
        button_box = QDialogButtonBox(
            QDialogButtonBox.Ok | QDialogButtonBox.Cancel
        )
        button_box.accepted.connect(self.accept)
        button_box.rejected.connect(self.reject)
        layout.addWidget(button_box)
    
    def get_selected_format(self):
        """Gibt das ausgewählte Format zurück"""
        if self.cor_radio.isChecked():
            return "cor"
        elif self.csv_radio.isChecked():
            return "csv"
        elif self.txt_radio.isChecked():
            return "txt"
        elif self.dxf_radio.isChecked():
            return "dxf"
        return "cor"
    
    def get_file_filter(self):
        """Gibt den Dateifilter für den Speicherdialog zurück"""
        format_type = self.get_selected_format()
        filters = {
            'cor': "COR Files (*.cor)",
            'csv': "CSV Files (*.csv)",
            'txt': "Text Files (*.txt)",
            'dxf': "DXF Files (*.dxf)"
        }
        return filters.get(format_type, "All Files (*)")


def show_export_dialog_and_save(parent, cor_generator, default_name="export"):
    """
    Zeigt den Export-Dialog und speichert die Datei.
    Wiederverwendbare Funktion für alle Module.
    """
    # Format-Dialog anzeigen
    dialog = ExportFormatDialog(parent)
    if dialog.exec_() != QDialog.Accepted:
        return None
    
    format_type = dialog.get_selected_format()
    file_filter = dialog.get_file_filter()
    
    # Dateiendung hinzufügen
    extensions = {'cor': '.cor', 'csv': '.csv', 'txt': '.txt', 'dxf': '.dxf'}
    suggested_name = f"{default_name}{extensions.get(format_type, '.cor')}"
    
    # Datei-Dialog
    file_path, _ = QFileDialog.getSaveFileName(
        parent, "Speichern unter", suggested_name, file_filter
    )
    
    if not file_path:
        return None
    
    # Exportieren
    try:
        if format_type == 'cor':
            cor_generator.write_cor_file(file_path)
        elif format_type == 'csv':
            cor_generator.export_csv(file_path)
        elif format_type == 'txt':
            cor_generator.export_txt(file_path)
        elif format_type == 'dxf':
            cor_generator.export_dxf(file_path)
        
        QMessageBox.information(parent, "Erfolg", f"Datei gespeichert: {file_path}")
        return file_path
    except Exception as e:
        QMessageBox.critical(parent, "Fehler", f"Fehler beim Speichern: {e}")
        return None


def export_points_with_dialog(parent, points, default_name="punkte"):
    """
    Exportiert eine Liste von CORPoint-Objekten mit Export-Dialog.
    Universelle Funktion für alle Module.
    """
    if not points:
        QMessageBox.warning(parent, "Fehler", "Keine Punkte zum Exportieren!")
        return None
    
    # Temporären COR-Generator erstellen
    class TempGenerator:
        def __init__(self, pts):
            self.cor_points = pts
        
        def write_cor_file(self, path):
            lines = [f"{p.name},{p.x:.4f},{p.y:.4f},{p.z:.4f}" for p in self.cor_points]
            with open(path, 'w', encoding='utf-8') as f:
                f.write("\n".join(lines))
        
        def export_csv(self, path):
            self.write_cor_file(path)  # Gleiches Format
        
        def export_txt(self, path):
            lines = [f"{p.name}\t{p.x:.4f}\t{p.y:.4f}\t{p.z:.4f}" for p in self.cor_points]
            with open(path, 'w', encoding='utf-8') as f:
                f.write("\n".join(lines))
        
        def export_dxf(self, path):
            lines = ["0", "SECTION", "2", "ENTITIES"]
            for p in self.cor_points:
                lines.extend([
                    "0", "POINT", "8", "POINTS",
                    "10", f"{p.x:.4f}", "20", f"{p.y:.4f}", "30", f"{p.z:.4f}",
                    "0", "TEXT", "8", "NAMES",
                    "10", f"{p.x + 0.5:.4f}", "20", f"{p.y + 0.5:.4f}", "30", f"{p.z:.4f}",
                    "40", "0.5", "1", p.name
                ])
            lines.extend(["0", "ENDSEC", "0", "EOF"])
            with open(path, 'w', encoding='utf-8') as f:
                f.write("\n".join(lines))
    
    temp_gen = TempGenerator(points)
    return show_export_dialog_and_save(parent, temp_gen, default_name)


def export_text_with_dialog(parent, text, default_name="protokoll"):
    """Exportiert Text als TXT oder PDF"""
    file_path, selected_filter = QFileDialog.getSaveFileName(
        parent, "Protokoll speichern", f"{default_name}.txt",
        "Text Files (*.txt);;PDF Files (*.pdf)"
    )
    
    if not file_path:
        return None
    
    try:
        if file_path.endswith('.pdf'):
            # PDF-Export (einfach)
            try:
                from reportlab.lib.pagesizes import A4
                from reportlab.pdfgen import canvas
                from reportlab.lib.units import mm
                
                c = canvas.Canvas(file_path, pagesize=A4)
                width, height = A4
                
                y = height - 30*mm
                for line in text.split('\n'):
                    if y < 30*mm:
                        c.showPage()
                        y = height - 30*mm
                    c.setFont("Courier", 8)
                    c.drawString(20*mm, y, line[:100])  # Max 100 chars pro Zeile
                    y -= 10
                
                c.save()
            except ImportError:
                # Fallback: Als TXT speichern
                file_path = file_path.replace('.pdf', '.txt')
                with open(file_path, 'w', encoding='utf-8') as f:
                    f.write(text)
                QMessageBox.warning(parent, "Hinweis", 
                    "PDF-Export nicht verfügbar (reportlab fehlt). Als TXT gespeichert.")
        else:
            with open(file_path, 'w', encoding='utf-8') as f:
                f.write(text)
        
        QMessageBox.information(parent, "Erfolg", f"Datei gespeichert: {file_path}")
        return file_path
    except Exception as e:
        QMessageBox.critical(parent, "Fehler", f"Fehler beim Speichern: {e}")
        return None


# =============================================================================
# JXL-Analyse Tab
# =============================================================================
class JXLAnalysisTab(QWidget):
    """Tab für JXL-Datei Analyse und Bearbeitung - Mit TreeView für Stationierungen"""
    
    def __init__(self, parent=None):
        super().__init__(parent)
        self.main_window = parent
        self.prism_spin_widgets = {}
        self.control_point_checkboxes = {}
        self.setup_ui()
    
    def setup_ui(self):
        layout = QVBoxLayout(self)
        
        # Datei laden
        file_group = QGroupBox("JXL-Datei")
        file_layout = QHBoxLayout(file_group)
        
        self.file_path_edit = QLineEdit()
        self.file_path_edit.setPlaceholderText("JXL-Datei auswählen...")
        file_layout.addWidget(self.file_path_edit)
        
        browse_btn = QPushButton("Durchsuchen")
        browse_btn.clicked.connect(self.browse_file)
        file_layout.addWidget(browse_btn)
        
        load_btn = QPushButton("Laden")
        load_btn.clicked.connect(self.load_file)
        file_layout.addWidget(load_btn)
        
        layout.addWidget(file_group)
        
        # Splitter für Info und Tabellen
        splitter = QSplitter(Qt.Vertical)
        
        # Zusammenfassung
        summary_group = QGroupBox("Zusammenfassung")
        summary_layout = QVBoxLayout(summary_group)
        self.summary_text = QTextEdit()
        self.summary_text.setReadOnly(True)
        self.summary_text.setMaximumHeight(120)
        summary_layout.addWidget(self.summary_text)
        splitter.addWidget(summary_group)
        
        # Stationierungen TreeView
        stations_group = QGroupBox("Stationierungen und Messungen (TreeView)")
        stations_layout = QVBoxLayout(stations_group)
        
        self.stations_tree = QTreeWidget()
        self.stations_tree.setHeaderLabels([
            "Station/Messung", "Hz [gon]", "V [gon]", "Distanz [m]", "PK [mm]", "Typ"
        ])
        self.stations_tree.setColumnCount(6)
        self.stations_tree.setSelectionMode(QAbstractItemView.SingleSelection)
        self.stations_tree.setMinimumHeight(250)
        
        # Spaltenbreiten
        self.stations_tree.setColumnWidth(0, 180)
        self.stations_tree.setColumnWidth(1, 110)
        self.stations_tree.setColumnWidth(2, 110)
        self.stations_tree.setColumnWidth(3, 100)
        self.stations_tree.setColumnWidth(4, 80)
        self.stations_tree.setColumnWidth(5, 120)
        
        stations_layout.addWidget(self.stations_tree)
        
        # Buttons für Protokoll
        protocol_layout = QHBoxLayout()
        
        show_protocol_btn = QPushButton("📋 Berechnungsprotokoll anzeigen")
        show_protocol_btn.clicked.connect(self.show_calculation_protocol)
        show_protocol_btn.setStyleSheet("background-color: #FF9800; color: white;")
        protocol_layout.addWidget(show_protocol_btn)
        
        export_protocol_btn = QPushButton("💾 Protokoll exportieren")
        export_protocol_btn.clicked.connect(self.export_calculation_protocol)
        protocol_layout.addWidget(export_protocol_btn)
        
        protocol_layout.addStretch()
        stations_layout.addLayout(protocol_layout)
        
        splitter.addWidget(stations_group)
        
        # Punkte-Tabelle
        points_group = QGroupBox("Alle Punkte (Übersicht)")
        points_layout = QVBoxLayout(points_group)
        
        self.points_table = QTableWidget()
        self.points_table.setColumnCount(6)
        self.points_table.setHorizontalHeaderLabels(
            ["Name", "Code", "East (X)", "North (Y)", "Elevation (Z)", "Methode"])
        self.points_table.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
        points_layout.addWidget(self.points_table)
        
        # Punkt-Aktionen
        point_actions = QHBoxLayout()
        
        remove_point_btn = QPushButton("Ausgewählten Punkt entfernen")
        remove_point_btn.clicked.connect(self.remove_selected_point)
        point_actions.addWidget(remove_point_btn)
        
        point_actions.addStretch()
        points_layout.addLayout(point_actions)
        
        splitter.addWidget(points_group)
        
        # Splitter-Größen
        splitter.setSizes([120, 350, 200])
        layout.addWidget(splitter)
    
    def browse_file(self):
        file_path, _ = QFileDialog.getOpenFileName(
            self, "JXL-Datei öffnen", "", "JXL Files (*.jxl);;All Files (*)")
        if file_path:
            self.file_path_edit.setText(file_path)
    
    def load_file(self):
        file_path = self.file_path_edit.text()
        if not file_path or not os.path.exists(file_path):
            QMessageBox.warning(self, "Fehler", "Bitte eine gültige JXL-Datei auswählen!")
            return
        
        parser = JXLParser()
        if parser.parse(file_path):
            self.main_window.parser = parser
            adjusted_points_store.clear()  # Ausgeglichene Punkte zurücksetzen
            self.update_display()
            self.main_window.statusBar().showMessage(f"JXL-Datei geladen: {file_path}")
        else:
            QMessageBox.critical(self, "Fehler", "Datei konnte nicht geladen werden!")
    
    def update_display(self):
        if not self.main_window.parser:
            return
        
        parser = self.main_window.parser
        
        # Zusammenfassung
        self.summary_text.setText(parser.get_summary())
        
        # TreeView aktualisieren
        self.update_stations_tree()
        
        # Punkte-Tabelle
        self.update_points_table()
    
    def update_stations_tree(self):
        """Aktualisiert den TreeView mit Stationierungen und Messungen"""
        self.stations_tree.clear()
        self.prism_spin_widgets.clear()
        self.control_point_checkboxes.clear()
        
        if not self.main_window.parser:
            return
        
        parser = self.main_window.parser
        
        # Sortiere Stationen nach Zeitstempel
        sorted_stations = sorted(parser.stations.items(), key=lambda x: x[1].timestamp)
        
        for station_id, station in sorted_stations:
            # Station als Hauptknoten
            station_item = QTreeWidgetItem()
            
            # Stationskoordinaten
            coord_str = ""
            if station.east is not None:
                coord_str = f" (E={station.east:.2f}, N={station.north:.2f})"
            
            station_item.setText(0, f"📍 {station.name}{coord_str}")
            station_item.setData(0, Qt.UserRole, station_id)
            
            # Stationstyp
            station_item.setText(5, station.station_type)
            
            # Hintergrundfarbe
            if station.station_type == "ReflineStationSetup":
                for i in range(6):
                    station_item.setBackground(i, QBrush(QColor(200, 230, 200)))
            elif station.station_type == "StandardResection":
                for i in range(6):
                    station_item.setBackground(i, QBrush(QColor(200, 200, 230)))
            else:
                for i in range(6):
                    station_item.setBackground(i, QBrush(QColor(230, 230, 200)))
            
            self.stations_tree.addTopLevelItem(station_item)
            
            # Orientierung/Backbearing
            for bb_id, bb in parser.backbearings.items():
                if bb.station_record_id == station_id:
                    ori_item = QTreeWidgetItem()
                    ori_item.setText(0, f"  🧭 Orientierung → {bb.backsight}")
                    if bb.face1_hz is not None:
                        ori_item.setText(1, f"{bb.face1_hz:.6f}")
                    if bb.orientation_correction is not None:
                        ori_item.setText(5, f"Korr: {bb.orientation_correction:.6f}")
                    ori_item.setForeground(0, QBrush(QColor(100, 100, 100)))
                    station_item.addChild(ori_item)
            
            # Detaillierte Messungen
            measurements = parser.get_detailed_measurements_from_station(station_id)
            
            # Zuerst Anschlussmessungen
            backsight_meas = [m for m in measurements if m.classification == 'BackSight' and not m.deleted]
            if backsight_meas:
                bs_header = QTreeWidgetItem()
                bs_header.setText(0, "  Anschlussmessungen:")
                bs_header.setForeground(0, QBrush(QColor(0, 100, 0)))
                station_item.addChild(bs_header)
                
                for m in backsight_meas:
                    meas_item = QTreeWidgetItem()
                    meas_item.setText(0, f"    ↳ {m.point_name}")
                    if m.horizontal_circle is not None:
                        meas_item.setText(1, f"{m.horizontal_circle:.6f}")
                    if m.vertical_circle is not None:
                        meas_item.setText(2, f"{m.vertical_circle:.6f}")
                    if m.edm_distance is not None:
                        meas_item.setText(3, f"{m.edm_distance:.4f}")
                    meas_item.setText(4, f"{m.prism_constant*1000:.1f}")
                    meas_item.setText(5, "Passpunkt")
                    meas_item.setForeground(5, QBrush(QColor(0, 100, 0)))
                    station_item.addChild(meas_item)
            
            # Dann normale Messungen
            normal_meas = [m for m in measurements if m.classification != 'BackSight' and not m.deleted]
            if normal_meas:
                norm_header = QTreeWidgetItem()
                norm_header.setText(0, f"  Messungen ({len(normal_meas)}):")
                station_item.addChild(norm_header)
                
                for m in normal_meas:
                    meas_item = QTreeWidgetItem()
                    meas_item.setText(0, f"    ↳ {m.point_name}")
                    if m.horizontal_circle is not None:
                        meas_item.setText(1, f"{m.horizontal_circle:.6f}")
                    if m.vertical_circle is not None:
                        meas_item.setText(2, f"{m.vertical_circle:.6f}")
                    if m.edm_distance is not None:
                        meas_item.setText(3, f"{m.edm_distance:.4f}")
                    meas_item.setText(4, f"{m.prism_constant*1000:.1f}")
                    meas_item.setText(5, m.prism_type[:15] if m.prism_type else "")
                    station_item.addChild(meas_item)
            
            station_item.setExpanded(True)
    
    def update_points_table(self):
        if not self.main_window.parser:
            return
        
        points = self.main_window.parser.get_active_points()
        self.points_table.setRowCount(len(points))
        
        for row, (name, point) in enumerate(sorted(points.items())):
            self.points_table.setItem(row, 0, QTableWidgetItem(name))
            self.points_table.setItem(row, 1, QTableWidgetItem(point.code or ""))
            self.points_table.setItem(row, 2, QTableWidgetItem(f"{point.east:.4f}" if point.east else ""))
            self.points_table.setItem(row, 3, QTableWidgetItem(f"{point.north:.4f}" if point.north else ""))
            self.points_table.setItem(row, 4, QTableWidgetItem(f"{point.elevation:.4f}" if point.elevation else ""))
            self.points_table.setItem(row, 5, QTableWidgetItem(point.method))
    
    def remove_selected_point(self):
        row = self.points_table.currentRow()
        if row >= 0:
            name = self.points_table.item(row, 0).text()
            reply = QMessageBox.question(
                self, "Bestätigung", 
                f"Punkt '{name}' wirklich entfernen?",
                QMessageBox.Yes | QMessageBox.No)
            
            if reply == QMessageBox.Yes:
                self.main_window.parser.remove_point(name)
                self.update_display()
    
    def show_calculation_protocol(self):
        """Zeigt das Berechnungsprotokoll in einem Dialog"""
        if not self.main_window.parser:
            QMessageBox.warning(self, "Fehler", "Bitte zuerst eine JXL-Datei laden!")
            return
        
        protocol = self.main_window.parser.get_calculation_protocol()
        
        dialog = QDialog(self)
        dialog.setWindowTitle("Berechnungsprotokoll")
        dialog.setMinimumSize(900, 700)
        
        layout = QVBoxLayout(dialog)
        
        text_edit = QTextEdit()
        text_edit.setReadOnly(True)
        text_edit.setFont(QFont("Courier", 9))
        text_edit.setText(protocol)
        layout.addWidget(text_edit)
        
        # Buttons
        btn_layout = QHBoxLayout()
        
        export_btn = QPushButton("💾 Exportieren")
        export_btn.clicked.connect(lambda: export_text_with_dialog(dialog, protocol, "berechnungsprotokoll"))
        btn_layout.addWidget(export_btn)
        
        close_btn = QPushButton("Schließen")
        close_btn.clicked.connect(dialog.close)
        btn_layout.addWidget(close_btn)
        
        layout.addLayout(btn_layout)
        
        dialog.exec_()
    
    def export_calculation_protocol(self):
        """Exportiert das Berechnungsprotokoll"""
        if not self.main_window.parser:
            QMessageBox.warning(self, "Fehler", "Bitte zuerst eine JXL-Datei laden!")
            return
        
        protocol = self.main_window.parser.get_calculation_protocol()
        export_text_with_dialog(self, protocol, "berechnungsprotokoll")


# =============================================================================
# COR-Generator Tab (NUR aus ComputedGrid)
# =============================================================================
class CORGeneratorTab(QWidget):
    """Tab für COR-Datei Generierung - Nur aus berechneten Koordinaten"""
    
    def __init__(self, parent=None):
        super().__init__(parent)
        self.main_window = parent
        self.cor_generator = None
        self.setup_ui()
    
    def setup_ui(self):
        layout = QVBoxLayout(self)
        
        # Info
        info_group = QGroupBox("COR-Generator")
        info_layout = QVBoxLayout(info_group)
        
        info_label = QLabel(
            "💡 Generiert Punktdateien aus den berechneten Koordinaten (ComputedGrid) der JXL-Datei.\n"
            "Die Koordinaten werden direkt aus Trimble Access übernommen."
        )
        info_label.setStyleSheet("color: #666; background-color: #f0f0f0; padding: 10px;")
        info_label.setWordWrap(True)
        info_layout.addWidget(info_label)
        
        # Option: Ausgeglichene Punkte verwenden
        self.use_adjusted_check = QCheckBox("✓ Ausgeglichene Punkte verwenden (falls verfügbar)")
        self.use_adjusted_check.setEnabled(False)
        info_layout.addWidget(self.use_adjusted_check)
        
        layout.addWidget(info_group)
        
        # Generieren Button
        generate_btn = QPushButton("Punkte generieren")
        generate_btn.clicked.connect(self.generate_cor)
        generate_btn.setStyleSheet("background-color: #4CAF50; color: white; font-weight: bold;")
        layout.addWidget(generate_btn)
        
        # Vorschau
        preview_group = QGroupBox("Vorschau")
        preview_layout = QVBoxLayout(preview_group)
        
        self.preview_table = QTableWidget()
        self.preview_table.setColumnCount(4)
        self.preview_table.setHorizontalHeaderLabels(["Punkt", "X (East)", "Y (North)", "Z (Elev)"])
        self.preview_table.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
        preview_layout.addWidget(self.preview_table)
        
        # Statistiken
        self.stats_text = QTextEdit()
        self.stats_text.setReadOnly(True)
        self.stats_text.setMaximumHeight(100)
        preview_layout.addWidget(self.stats_text)
        
        layout.addWidget(preview_group)
        
        # Export Button (mit Dialog)
        export_btn = QPushButton("📥 Punkte exportieren...")
        export_btn.clicked.connect(self.export_with_dialog)
        export_btn.setStyleSheet("background-color: #2196F3; color: white; font-weight: bold; font-size: 14px; padding: 10px;")
        layout.addWidget(export_btn)
    
    def showEvent(self, event):
        """Wird aufgerufen wenn Tab angezeigt wird"""
        super().showEvent(event)
        self.update_adjusted_points_status()
    
    def update_adjusted_points_status(self):
        """Aktualisiert den Status der ausgeglichenen Punkte"""
        if adjusted_points_store.is_available():
            self.use_adjusted_check.setEnabled(True)
            self.use_adjusted_check.setText(
                f"✓ Ausgeglichene Punkte verwenden ({len(adjusted_points_store.points)} Punkte)")
        else:
            self.use_adjusted_check.setEnabled(False)
            self.use_adjusted_check.setChecked(False)
            self.use_adjusted_check.setText("✓ Ausgeglichene Punkte verwenden (nicht verfügbar)")
    
    def generate_cor(self):
        if not self.main_window.parser:
            QMessageBox.warning(self, "Fehler", "Bitte zuerst eine JXL-Datei laden!")
            return
        
        self.cor_generator = CORGenerator(self.main_window.parser)
        
        # Verwende ausgeglichene Punkte wenn aktiviert
        if self.use_adjusted_check.isChecked() and adjusted_points_store.is_available():
            points = []
            for name, (x, y, z) in adjusted_points_store.get_points().items():
                points.append(CORPoint(name=name, x=x, y=y, z=z))
            self.cor_generator.cor_points = points
        else:
            # Aus ComputedGrid generieren (einzige korrekte Methode)
            points = self.cor_generator.generate_from_computed_grid()
        
        # Tabelle aktualisieren
        self.preview_table.setRowCount(len(self.cor_generator.cor_points))
        for row, p in enumerate(self.cor_generator.cor_points):
            self.preview_table.setItem(row, 0, QTableWidgetItem(p.name))
            self.preview_table.setItem(row, 1, QTableWidgetItem(f"{p.x:.4f}"))
            self.preview_table.setItem(row, 2, QTableWidgetItem(f"{p.y:.4f}"))
            self.preview_table.setItem(row, 3, QTableWidgetItem(f"{p.z:.4f}"))
        
        self.stats_text.setText(self.cor_generator.get_statistics())
        self.main_window.statusBar().showMessage(f"{len(self.cor_generator.cor_points)} Punkte generiert")
    
    def export_with_dialog(self):
        if not self.cor_generator or not self.cor_generator.cor_points:
            QMessageBox.warning(self, "Fehler", "Bitte zuerst Punkte generieren!")
            return
        
        show_export_dialog_and_save(self, self.cor_generator, "koordinaten")


# =============================================================================
# Transformation Tab
# =============================================================================
class TransformationTab(QWidget):
    """Tab für Koordinatentransformation"""
    
    def __init__(self, parent=None):
        super().__init__(parent)
        self.main_window = parent
        self.transformer = CoordinateTransformer()
        self.setup_ui()
    
    def setup_ui(self):
        layout = QVBoxLayout(self)
        
        # Datenquelle
        source_group = QGroupBox("Datenquelle")
        source_layout = QVBoxLayout(source_group)
        
        self.source_jxl_radio = QRadioButton("Aus JXL-Datei")
        self.source_jxl_radio.setChecked(True)
        source_layout.addWidget(self.source_jxl_radio)
        
        self.source_adjusted_radio = QRadioButton("Ausgeglichene Punkte verwenden")
        self.source_adjusted_radio.setEnabled(False)
        source_layout.addWidget(self.source_adjusted_radio)
        
        layout.addWidget(source_group)
        
        # Methode auswählen
        method_group = QGroupBox("Transformationsmethode")
        method_layout = QVBoxLayout(method_group)
        
        self.manual_radio = QCheckBox("Manuelle Parameter")
        self.manual_radio.setChecked(True)
        self.manual_radio.stateChanged.connect(self.toggle_method)
        method_layout.addWidget(self.manual_radio)
        
        self.twopoint_radio = QCheckBox("Über 2 Punkte definieren")
        self.twopoint_radio.stateChanged.connect(self.toggle_method)
        method_layout.addWidget(self.twopoint_radio)
        
        layout.addWidget(method_group)
        
        # Manuelle Parameter
        self.manual_group = QGroupBox("Manuelle Parameter")
        manual_layout = QGridLayout(self.manual_group)
        
        manual_layout.addWidget(QLabel("Verschiebung X (East):"), 0, 0)
        self.dx_spin = QDoubleSpinBox()
        self.dx_spin.setRange(-1000000, 1000000)
        self.dx_spin.setDecimals(4)
        manual_layout.addWidget(self.dx_spin, 0, 1)
        manual_layout.addWidget(QLabel("m"), 0, 2)
        
        manual_layout.addWidget(QLabel("Verschiebung Y (North):"), 1, 0)
        self.dy_spin = QDoubleSpinBox()
        self.dy_spin.setRange(-1000000, 1000000)
        self.dy_spin.setDecimals(4)
        manual_layout.addWidget(self.dy_spin, 1, 1)
        manual_layout.addWidget(QLabel("m"), 1, 2)
        
        manual_layout.addWidget(QLabel("Verschiebung Z (Höhe):"), 2, 0)
        self.dz_spin = QDoubleSpinBox()
        self.dz_spin.setRange(-1000000, 1000000)
        self.dz_spin.setDecimals(4)
        manual_layout.addWidget(self.dz_spin, 2, 1)
        manual_layout.addWidget(QLabel("m"), 2, 2)
        
        manual_layout.addWidget(QLabel("Rotation:"), 3, 0)
        self.rotation_spin = QDoubleSpinBox()
        self.rotation_spin.setRange(-400, 400)
        self.rotation_spin.setDecimals(6)
        manual_layout.addWidget(self.rotation_spin, 3, 1)
        manual_layout.addWidget(QLabel("gon"), 3, 2)
        
        layout.addWidget(self.manual_group)
        
        # 2-Punkte-Definition
        self.twopoint_group = QGroupBox("2-Punkte-Definition")
        twopoint_layout = QGridLayout(self.twopoint_group)
        
        twopoint_layout.addWidget(QLabel("XY-Nullpunkt (0,0):"), 0, 0)
        self.xy_origin_combo = QComboBox()
        twopoint_layout.addWidget(self.xy_origin_combo, 0, 1)
        
        twopoint_layout.addWidget(QLabel("Z-Nullpunkt (0):"), 1, 0)
        self.z_origin_combo = QComboBox()
        twopoint_layout.addWidget(self.z_origin_combo, 1, 1)
        
        refresh_btn = QPushButton("Punktliste aktualisieren")
        refresh_btn.clicked.connect(self.refresh_point_lists)
        twopoint_layout.addWidget(refresh_btn, 2, 0, 1, 2)
        
        self.twopoint_group.setVisible(False)
        layout.addWidget(self.twopoint_group)
        
        # Buttons
        btn_layout = QHBoxLayout()
        
        transform_btn = QPushButton("Transformation berechnen")
        transform_btn.clicked.connect(self.execute_transformation)
        transform_btn.setStyleSheet("background-color: #4CAF50; color: white; font-weight: bold;")
        btn_layout.addWidget(transform_btn)
        
        apply_btn = QPushButton("Auf Punkte anwenden")
        apply_btn.clicked.connect(self.apply_transformation)
        apply_btn.setStyleSheet("background-color: #2196F3; color: white; font-weight: bold;")
        btn_layout.addWidget(apply_btn)
        
        layout.addLayout(btn_layout)
        
        # Ergebnisse
        results_group = QGroupBox("Ergebnisse")
        results_layout = QVBoxLayout(results_group)
        
        self.results_text = QTextEdit()
        self.results_text.setReadOnly(True)
        results_layout.addWidget(self.results_text)
        
        export_points_btn = QPushButton("📥 Punkte exportieren...")
        export_points_btn.clicked.connect(self.export_points)
        results_layout.addWidget(export_points_btn)
        
        layout.addWidget(results_group)
    
    def showEvent(self, event):
        super().showEvent(event)
        self.update_adjusted_points_status()
    
    def update_adjusted_points_status(self):
        if adjusted_points_store.is_available():
            self.source_adjusted_radio.setEnabled(True)
            self.source_adjusted_radio.setText(
                f"Ausgeglichene Punkte verwenden ({len(adjusted_points_store.points)} Punkte)")
        else:
            self.source_adjusted_radio.setEnabled(False)
            self.source_jxl_radio.setChecked(True)
    
    def toggle_method(self):
        self.manual_group.setVisible(self.manual_radio.isChecked())
        self.twopoint_group.setVisible(self.twopoint_radio.isChecked())
        
        if self.twopoint_radio.isChecked():
            self.refresh_point_lists()
    
    def refresh_point_lists(self):
        if not self.main_window.parser:
            return
        
        points = list(self.main_window.parser.get_active_points().keys())
        
        self.xy_origin_combo.clear()
        self.z_origin_combo.clear()
        
        for name in sorted(points):
            self.xy_origin_combo.addItem(name)
            self.z_origin_combo.addItem(name)
    
    def execute_transformation(self):
        if not self.main_window.parser:
            QMessageBox.warning(self, "Fehler", "Bitte zuerst eine JXL-Datei laden!")
            return
        
        # Punkte sammeln
        points = []
        if self.source_adjusted_radio.isChecked() and adjusted_points_store.is_available():
            for name, (x, y, z) in adjusted_points_store.get_points().items():
                points.append(CORPoint(name=name, x=x, y=y, z=z))
        else:
            for name, p in self.main_window.parser.get_active_points().items():
                if p.east is not None and p.north is not None:
                    points.append(CORPoint(
                        name=name,
                        x=p.east,
                        y=p.north,
                        z=p.elevation or 0.0
                    ))
        
        self.transformer.set_points(points)
        
        if self.manual_radio.isChecked():
            self.transformer.set_manual_parameters(
                dx=self.dx_spin.value(),
                dy=self.dy_spin.value(),
                dz=self.dz_spin.value(),
                rotation_gon=self.rotation_spin.value(),
                pivot_x=0,
                pivot_y=0
            )
        elif self.twopoint_radio.isChecked():
            origin = self.xy_origin_combo.currentText()
            zref = self.z_origin_combo.currentText()
            
            if not self.transformer.compute_translation_only(origin, zref):
                QMessageBox.warning(self, "Fehler", "Punkt nicht gefunden!")
                return
        
        self.transformer.transform()
        
        report = self.transformer.get_parameters_report()
        report += "\n\n"
        report += self.transformer.get_comparison_table()
        
        self.results_text.setText(report)
        self.main_window.statusBar().showMessage("Transformation berechnet")
    
    def apply_transformation(self):
        if not self.transformer.transformed_points:
            QMessageBox.warning(self, "Fehler", 
                "Bitte zuerst 'Transformation berechnen' ausführen!")
            return
        
        if not self.main_window.parser:
            return
        
        reply = QMessageBox.question(
            self, "Bestätigung",
            "Transformierte Koordinaten auf alle Punkte anwenden?",
            QMessageBox.Yes | QMessageBox.No)
        
        if reply == QMessageBox.No:
            return
        
        for trans_point in self.transformer.transformed_points:
            if trans_point.name in self.main_window.parser.points:
                p = self.main_window.parser.points[trans_point.name]
                p.east = trans_point.x
                p.north = trans_point.y
                p.elevation = trans_point.z
        
        jxl_tab = self.main_window.tabs.widget(0)
        if hasattr(jxl_tab, 'update_display'):
            jxl_tab.update_display()
        
        QMessageBox.information(self, "Erfolg", 
            f"{len(self.transformer.transformed_points)} Punkte transformiert!")
    
    def export_points(self):
        if not self.transformer.transformed_points:
            QMessageBox.warning(self, "Fehler", "Keine transformierten Punkte!")
            return
        
        export_points_with_dialog(self, self.transformer.transformed_points, "transformiert")


# =============================================================================
# Georeferenzierung Tab (mit automatischer Punktzuordnung)
# =============================================================================
class GeoreferencingTab(QWidget):
    """Tab für Georeferenzierung - Mit automatischer Punktzuordnung über Tripel"""
    
    def __init__(self, parent=None):
        super().__init__(parent)
        self.main_window = parent
        self.georeferencer = Georeferencer()
        self.loaded_target_points = {}  # {name: (x, y, z)}
        self.setup_ui()
    
    def setup_ui(self):
        layout = QVBoxLayout(self)
        
        # Datenquelle
        source_group = QGroupBox("Datenquelle für Ist-Koordinaten")
        source_layout = QVBoxLayout(source_group)
        
        self.source_jxl_radio = QRadioButton("Aus JXL-Datei")
        self.source_jxl_radio.setChecked(True)
        source_layout.addWidget(self.source_jxl_radio)
        
        self.source_adjusted_radio = QRadioButton("Ausgeglichene Punkte verwenden")
        self.source_adjusted_radio.setEnabled(False)
        source_layout.addWidget(self.source_adjusted_radio)
        
        layout.addWidget(source_group)
        
        # Schritt 1: Punktdatei laden
        load_group = QGroupBox("Schritt 1: Soll-Koordinaten laden")
        load_layout = QHBoxLayout(load_group)
        
        self.load_file_btn = QPushButton("📂 Punktdatei laden (COR/CSV)")
        self.load_file_btn.clicked.connect(self.load_target_file)
        self.load_file_btn.setStyleSheet("background-color: #FF9800; color: white; font-weight: bold;")
        load_layout.addWidget(self.load_file_btn)
        
        self.loaded_file_label = QLabel("Keine Datei geladen")
        self.loaded_file_label.setStyleSheet("color: #666;")
        load_layout.addWidget(self.loaded_file_label)
        load_layout.addStretch()
        
        layout.addWidget(load_group)
        
        # Schritt 2: Punkt-Zuordnung
        assign_group = QGroupBox("Schritt 2: Punkt-Zuordnung (Soll → Ist)")
        assign_layout = QVBoxLayout(assign_group)
        
        # Automatische Zuordnung Button
        auto_layout = QHBoxLayout()
        auto_btn = QPushButton("🔍 Automatische Zuordnung (Tripel-Analyse)")
        auto_btn.clicked.connect(self.auto_assign_points)
        auto_btn.setStyleSheet("background-color: #9C27B0; color: white; font-weight: bold;")
        auto_layout.addWidget(auto_btn)
        
        self.auto_result_label = QLabel("")
        auto_layout.addWidget(self.auto_result_label)
        auto_layout.addStretch()
        assign_layout.addLayout(auto_layout)
        
        # Zuordnungstabelle
        self.assign_table = QTableWidget()
        self.assign_table.setColumnCount(8)
        self.assign_table.setHorizontalHeaderLabels([
            "Soll-Punkt", "X_Soll", "Y_Soll", "Z_Soll",
            "JXL-Punkt ⬇", "X_Ist", "Y_Ist", "Z_Ist"
        ])
        self.assign_table.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
        assign_layout.addWidget(self.assign_table)
        
        layout.addWidget(assign_group)
        
        # Schritt 3: Berechnung
        calc_group = QGroupBox("Schritt 3: Georeferenzierung")
        calc_layout = QHBoxLayout(calc_group)
        
        calc_btn = QPushButton("🔄 Transformation berechnen")
        calc_btn.clicked.connect(self.calculate_transformation)
        calc_btn.setStyleSheet("background-color: #4CAF50; color: white; font-weight: bold;")
        calc_layout.addWidget(calc_btn)
        
        apply_btn = QPushButton("✓ Auf alle Punkte anwenden")
        apply_btn.clicked.connect(self.apply_to_all_points)
        apply_btn.setStyleSheet("background-color: #2196F3; color: white;")
        calc_layout.addWidget(apply_btn)
        
        layout.addWidget(calc_group)
        
        # Ergebnisse
        results_group = QGroupBox("Ergebnisse")
        results_layout = QVBoxLayout(results_group)
        
        self.results_text = QTextEdit()
        self.results_text.setReadOnly(True)
        self.results_text.setFont(QFont("Courier", 9))
        results_layout.addWidget(self.results_text)
        
        export_btn = QPushButton("📥 Punkte exportieren...")
        export_btn.clicked.connect(self.export_transformed_points)
        results_layout.addWidget(export_btn)
        
        layout.addWidget(results_group)
    
    def showEvent(self, event):
        super().showEvent(event)
        self.update_adjusted_points_status()
    
    def update_adjusted_points_status(self):
        if adjusted_points_store.is_available():
            self.source_adjusted_radio.setEnabled(True)
            self.source_adjusted_radio.setText(
                f"Ausgeglichene Punkte verwenden ({len(adjusted_points_store.points)} Punkte)")
        else:
            self.source_adjusted_radio.setEnabled(False)
            self.source_jxl_radio.setChecked(True)
    
    def get_ist_points(self):
        """Gibt die Ist-Punkte zurück (aus JXL oder ausgeglichene)"""
        if self.source_adjusted_radio.isChecked() and adjusted_points_store.is_available():
            return adjusted_points_store.get_points()
        elif self.main_window.parser:
            result = {}
            for name, p in self.main_window.parser.get_active_points().items():
                if p.east is not None and p.north is not None:
                    result[name] = (p.east, p.north, p.elevation or 0.0)
            return result
        return {}
    
    def load_target_file(self):
        """Lädt eine COR/CSV-Datei mit Soll-Koordinaten"""
        file_path, _ = QFileDialog.getOpenFileName(
            self, "Soll-Koordinaten laden", "", 
            "Koordinatendateien (*.cor *.csv *.txt);;All Files (*)")
        
        if not file_path:
            return
        
        try:
            self.loaded_target_points.clear()
            
            with open(file_path, 'r', encoding='utf-8') as f:
                lines = f.readlines()
            
            for line in lines:
                line = line.strip()
                if not line or line.startswith('#'):
                    continue
                
                parts = line.replace(';', ',').split(',')
                if len(parts) >= 4:
                    name = parts[0].strip()
                    try:
                        x = float(parts[1].strip())
                        y = float(parts[2].strip())
                        z = float(parts[3].strip())
                        self.loaded_target_points[name] = (x, y, z)
                    except ValueError:
                        continue
            
            self.loaded_file_label.setText(
                f"✓ {os.path.basename(file_path)} ({len(self.loaded_target_points)} Punkte)")
            self.loaded_file_label.setStyleSheet("color: green; font-weight: bold;")
            
            self.update_assignment_table()
            
        except Exception as e:
            QMessageBox.critical(self, "Fehler", f"Fehler beim Laden: {e}")
    
    def update_assignment_table(self):
        """Aktualisiert die Zuordnungstabelle"""
        self.assign_table.setRowCount(len(self.loaded_target_points))
        
        ist_points = self.get_ist_points()
        jxl_names = ["-- Nicht zugeordnet --"] + sorted(ist_points.keys())
        
        for row, (name, (x, y, z)) in enumerate(sorted(self.loaded_target_points.items())):
            self.assign_table.setItem(row, 0, QTableWidgetItem(name))
            self.assign_table.setItem(row, 1, QTableWidgetItem(f"{x:.4f}"))
            self.assign_table.setItem(row, 2, QTableWidgetItem(f"{y:.4f}"))
            self.assign_table.setItem(row, 3, QTableWidgetItem(f"{z:.4f}"))
            
            combo = QComboBox()
            combo.addItems(jxl_names)
            
            # Automatische Zuordnung bei gleichem Namen
            if name in jxl_names:
                idx = combo.findText(name)
                if idx >= 0:
                    combo.setCurrentIndex(idx)
            
            combo.currentTextChanged.connect(
                lambda text, r=row: self.on_jxl_point_selected(r, text))
            self.assign_table.setCellWidget(row, 4, combo)
            
            self.assign_table.setItem(row, 5, QTableWidgetItem(""))
            self.assign_table.setItem(row, 6, QTableWidgetItem(""))
            self.assign_table.setItem(row, 7, QTableWidgetItem(""))
            
            self.on_jxl_point_selected(row, combo.currentText())
    
    def on_jxl_point_selected(self, row, jxl_name):
        """Wird aufgerufen, wenn ein JXL-Punkt ausgewählt wird"""
        ist_points = self.get_ist_points()
        
        if jxl_name == "-- Nicht zugeordnet --" or jxl_name not in ist_points:
            self.assign_table.setItem(row, 5, QTableWidgetItem(""))
            self.assign_table.setItem(row, 6, QTableWidgetItem(""))
            self.assign_table.setItem(row, 7, QTableWidgetItem(""))
            return
        
        x, y, z = ist_points[jxl_name]
        self.assign_table.setItem(row, 5, QTableWidgetItem(f"{x:.4f}"))
        self.assign_table.setItem(row, 6, QTableWidgetItem(f"{y:.4f}"))
        self.assign_table.setItem(row, 7, QTableWidgetItem(f"{z:.4f}"))
    
    def auto_assign_points(self):
        """Automatische Punktzuordnung basierend auf Tripel-Analyse"""
        if len(self.loaded_target_points) < 3:
            QMessageBox.warning(self, "Fehler", "Mindestens 3 Soll-Punkte erforderlich!")
            return
        
        ist_points = self.get_ist_points()
        if len(ist_points) < 3:
            QMessageBox.warning(self, "Fehler", "Mindestens 3 Ist-Punkte erforderlich!")
            return
        
        # Berechne Distanzen für Soll-Punkte
        soll_names = list(self.loaded_target_points.keys())
        soll_distances = {}
        for i, name1 in enumerate(soll_names):
            for name2 in soll_names[i+1:]:
                x1, y1, _ = self.loaded_target_points[name1]
                x2, y2, _ = self.loaded_target_points[name2]
                dist = math.sqrt((x2-x1)**2 + (y2-y1)**2)
                soll_distances[(name1, name2)] = dist
                soll_distances[(name2, name1)] = dist
        
        # Berechne Distanzen für Ist-Punkte
        ist_names = list(ist_points.keys())
        ist_distances = {}
        for i, name1 in enumerate(ist_names):
            for name2 in ist_names[i+1:]:
                x1, y1, _ = ist_points[name1]
                x2, y2, _ = ist_points[name2]
                dist = math.sqrt((x2-x1)**2 + (y2-y1)**2)
                ist_distances[(name1, name2)] = dist
                ist_distances[(name2, name1)] = dist
        
        # Finde beste Zuordnung über Tripel
        best_assignment = None
        best_rmse = float('inf')
        
        # Alle möglichen Tripel aus Soll-Punkten
        for soll_tripel in combinations(soll_names, 3):
            # Alle möglichen Tripel aus Ist-Punkten
            for ist_tripel in combinations(ist_names, 3):
                # Berechne RMSE für diese Zuordnung
                rmse = self._compute_tripel_rmse(
                    soll_tripel, ist_tripel, soll_distances, ist_distances)
                
                if rmse < best_rmse:
                    best_rmse = rmse
                    best_assignment = dict(zip(soll_tripel, ist_tripel))
        
        if best_assignment and best_rmse < 0.5:  # Max 0.5m Abweichung
            # Zuordnung in Tabelle übernehmen
            for row in range(self.assign_table.rowCount()):
                soll_name = self.assign_table.item(row, 0).text()
                combo = self.assign_table.cellWidget(row, 4)
                
                if soll_name in best_assignment:
                    ist_name = best_assignment[soll_name]
                    idx = combo.findText(ist_name)
                    if idx >= 0:
                        combo.setCurrentIndex(idx)
            
            self.auto_result_label.setText(
                f"✓ Zuordnung gefunden (RMSE: {best_rmse*1000:.1f} mm)")
            self.auto_result_label.setStyleSheet("color: green; font-weight: bold;")
        else:
            self.auto_result_label.setText("❌ Keine passende Zuordnung gefunden")
            self.auto_result_label.setStyleSheet("color: red;")
    
    def _compute_tripel_rmse(self, soll_tripel, ist_tripel, soll_dist, ist_dist):
        """Berechnet RMSE für eine Tripel-Zuordnung"""
        errors = []
        for i in range(3):
            for j in range(i+1, 3):
                s1, s2 = soll_tripel[i], soll_tripel[j]
                i1, i2 = ist_tripel[i], ist_tripel[j]
                
                d_soll = soll_dist.get((s1, s2), 0)
                d_ist = ist_dist.get((i1, i2), 0)
                
                if d_soll > 0 and d_ist > 0:
                    errors.append((d_soll - d_ist) ** 2)
        
        if errors:
            return math.sqrt(sum(errors) / len(errors))
        return float('inf')
    
    def calculate_transformation(self):
        """Berechnet die Transformation"""
        if not self.loaded_target_points:
            QMessageBox.warning(self, "Fehler", "Bitte zuerst eine Punktdatei laden!")
            return
        
        ist_points = self.get_ist_points()
        if not ist_points:
            QMessageBox.warning(self, "Fehler", "Keine Ist-Punkte verfügbar!")
            return
        
        self.georeferencer.clear_control_points()
        
        valid_pairs = 0
        for row in range(self.assign_table.rowCount()):
            combo = self.assign_table.cellWidget(row, 4)
            if not combo:
                continue
            
            jxl_name = combo.currentText()
            if jxl_name == "-- Nicht zugeordnet --":
                continue
            
            target_name = self.assign_table.item(row, 0).text()
            if target_name not in self.loaded_target_points:
                continue
            
            target_x, target_y, target_z = self.loaded_target_points[target_name]
            
            if jxl_name not in ist_points:
                continue
            
            local_x, local_y, local_z = ist_points[jxl_name]
            
            self.georeferencer.add_control_point(
                jxl_name, local_x, local_y, local_z, target_x, target_y, target_z
            )
            valid_pairs += 1
        
        if valid_pairs < 2:
            QMessageBox.warning(self, "Fehler", 
                f"Mindestens 2 gültige Punkt-Paare erforderlich! Aktuell: {valid_pairs}")
            return
        
        try:
            self.georeferencer.compute_transformation()
            report = self.georeferencer.get_transformation_report()
            self.results_text.setText(report)
            self.main_window.statusBar().showMessage(
                f"Georeferenzierung berechnet ({valid_pairs} Passpunkte)")
        except Exception as e:
            QMessageBox.critical(self, "Fehler", f"Berechnung fehlgeschlagen: {e}")
    
    def apply_to_all_points(self):
        """Wendet die Transformation auf alle Punkte an"""
        if self.georeferencer.result is None:
            QMessageBox.warning(self, "Fehler", "Bitte zuerst Transformation berechnen!")
            return
        
        if not self.main_window.parser:
            return
        
        reply = QMessageBox.question(
            self, "Bestätigung",
            "Transformation auf alle Punkte anwenden?",
            QMessageBox.Yes | QMessageBox.No)
        
        if reply == QMessageBox.No:
            return
        
        ist_points = self.get_ist_points()
        points = [CORPoint(name=n, x=x, y=y, z=z) for n, (x, y, z) in ist_points.items()]
        
        self.georeferencer.set_points_to_transform(points)
        transformed = self.georeferencer.transform_points()
        
        for tp in transformed:
            if tp.name in self.main_window.parser.points:
                p = self.main_window.parser.points[tp.name]
                p.east = tp.x
                p.north = tp.y
                p.elevation = tp.z
        
        jxl_tab = self.main_window.tabs.widget(0)
        if hasattr(jxl_tab, 'update_display'):
            jxl_tab.update_display()
        
        QMessageBox.information(self, "Erfolg", f"{len(transformed)} Punkte georeferenziert!")
    
    def export_transformed_points(self):
        if self.georeferencer.result is None:
            QMessageBox.warning(self, "Fehler", "Bitte zuerst Transformation berechnen!")
            return
        
        ist_points = self.get_ist_points()
        points = [CORPoint(name=n, x=x, y=y, z=z) for n, (x, y, z) in ist_points.items()]
        
        self.georeferencer.set_points_to_transform(points)
        transformed = self.georeferencer.transform_points()
        
        export_points_with_dialog(self, transformed, "georeferenziert")


# =============================================================================
# Netzausgleichung Tab (KOMPLETT ÜBERARBEITET)
# =============================================================================
class NetworkAdjustmentTab(QWidget):
    """
    Tab für Netzausgleichung - KORREKTES KONZEPT:
    - Festpunkte = NUR 5xxx-Passpunkte (5001, 5002, etc.) - werden NICHT ausgeglichen
    - Neupunkte = ALLE anderen Punkte (Standpunkte, Anschlusspunkte, Messpunkte) - werden AUSGEGLICHEN
    - Das gesamte Netz wird spannungsfrei ausgeglichen
    """
    
    def __init__(self, parent=None):
        super().__init__(parent)
        self.main_window = parent
        self.adjustment = None
        self.fixed_points = set()    # Passpunkte (nicht ausgeglichen)
        self.new_points = set()      # Standpunkte (ausgeglichen)
        self.measurement_points = set()  # Messpunkte (ausgeglichen)
        self.setup_ui()
    
    def setup_ui(self):
        layout = QVBoxLayout(self)
        
        # Konfiguration
        config_group = QGroupBox("Konfiguration")
        config_layout = QGridLayout(config_group)
        
        config_layout.addWidget(QLabel("Max. Iterationen:"), 0, 0)
        self.max_iter_spin = QSpinBox()
        self.max_iter_spin.setRange(1, 100)
        self.max_iter_spin.setValue(20)
        config_layout.addWidget(self.max_iter_spin, 0, 1)
        
        config_layout.addWidget(QLabel("Konvergenzlimit [mm]:"), 1, 0)
        self.convergence_spin = QDoubleSpinBox()
        self.convergence_spin.setRange(0.001, 10)
        self.convergence_spin.setDecimals(3)
        self.convergence_spin.setValue(0.01)
        config_layout.addWidget(self.convergence_spin, 1, 1)
        
        layout.addWidget(config_group)
        
        # Punktklassifikation
        points_group = QGroupBox("Punktklassifikation (KORREKTES KONZEPT)")
        points_layout = QVBoxLayout(points_group)
        
        info_label = QLabel(
            "💡 KORREKTES KONZEPT (Netzausgleichung):\n"
            "  • Festpunkte (grün): NUR 5xxx-Passpunkte (5001, 5002) - werden NICHT ausgeglichen\n"
            "  • Neupunkte (blau/gelb): ALLE anderen Punkte - werden AUSGEGLICHEN\n"
            "    (inkl. Standpunkte 1xxx, Anschlusspunkte 2xxx/6xxx, Messpunkte 3xxx)"
        )
        info_label.setStyleSheet("background-color: #f0f0f0; padding: 10px;")
        points_layout.addWidget(info_label)
        
        self.points_table = QTableWidget()
        self.points_table.setColumnCount(5)
        self.points_table.setHorizontalHeaderLabels(["Punkt", "Typ", "X", "Y", "Z"])
        self.points_table.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
        self.points_table.setMaximumHeight(200)
        points_layout.addWidget(self.points_table)
        
        refresh_btn = QPushButton("🔍 Punkte automatisch klassifizieren")
        refresh_btn.clicked.connect(self.auto_classify_points)
        refresh_btn.setStyleSheet("background-color: #FF9800; color: white; font-weight: bold;")
        points_layout.addWidget(refresh_btn)
        
        layout.addWidget(points_group)
        
        # Ausgleichung
        btn_layout = QHBoxLayout()
        
        adjust_btn = QPushButton("📐 Netzausgleichung durchführen")
        adjust_btn.clicked.connect(self.run_adjustment)
        adjust_btn.setStyleSheet("background-color: #4CAF50; color: white; font-weight: bold; font-size: 14px; padding: 10px;")
        btn_layout.addWidget(adjust_btn)
        
        self.adopt_btn = QPushButton("✓ Ausgeglichene Punkte übernehmen")
        self.adopt_btn.clicked.connect(self.adopt_adjusted_points)
        self.adopt_btn.setStyleSheet("background-color: #2196F3; color: white; font-weight: bold;")
        self.adopt_btn.setEnabled(False)
        btn_layout.addWidget(self.adopt_btn)
        
        layout.addLayout(btn_layout)
        
        # Ergebnisse
        results_group = QGroupBox("Ergebnisse")
        results_layout = QVBoxLayout(results_group)
        
        self.results_text = QTextEdit()
        self.results_text.setReadOnly(True)
        self.results_text.setFont(QFont("Courier", 9))
        results_layout.addWidget(self.results_text)
        
        export_layout = QHBoxLayout()
        
        export_report_btn = QPushButton("Bericht exportieren")
        export_report_btn.clicked.connect(self.export_report)
        export_layout.addWidget(export_report_btn)
        
        export_points_btn = QPushButton("📥 Koordinaten exportieren...")
        export_points_btn.clicked.connect(self.export_points)
        export_layout.addWidget(export_points_btn)
        
        results_layout.addLayout(export_layout)
        layout.addWidget(results_group)
    
    def auto_classify_points(self):
        """Klassifiziert Punkte automatisch nach dem korrekten Konzept"""
        if not self.main_window.parser:
            QMessageBox.warning(self, "Fehler", "Bitte zuerst eine JXL-Datei laden!")
            return
        
        parser = self.main_window.parser
        self.fixed_points.clear()
        self.new_points.clear()
        self.measurement_points.clear()
        
        # 1. FESTPUNKTE = Passpunkte (Referenzpunkte mit bekannten Koordinaten)
        ref_points = parser.get_reference_points()
        for name in ref_points:
            if name in parser.points:
                self.fixed_points.add(name)
        
        # 2. NEUPUNKTE = Standpunkte (Stationen des Tachymeters)
        station_points = parser.get_station_points()
        for name in station_points:
            if name not in self.fixed_points:  # Nicht wenn es ein Passpunkt ist
                self.new_points.add(name)
        
        # 3. MESSPUNKTE = Alle anderen Punkte
        for name in parser.get_active_points().keys():
            if name not in self.fixed_points and name not in self.new_points:
                self.measurement_points.add(name)
        
        self.update_points_table()
        
        self.main_window.statusBar().showMessage(
            f"Klassifiziert: {len(self.fixed_points)} Festpunkte, "
            f"{len(self.new_points)} Neupunkte, "
            f"{len(self.measurement_points)} Messpunkte")
    
    def update_points_table(self):
        """Aktualisiert die Punkttabelle"""
        parser = self.main_window.parser
        if not parser:
            return
        
        all_classified = []
        for name in self.fixed_points:
            all_classified.append((name, "Festpunkt", QColor(200, 255, 200)))
        for name in self.new_points:
            all_classified.append((name, "Neupunkt", QColor(200, 200, 255)))
        for name in self.measurement_points:
            all_classified.append((name, "Messpunkt", QColor(255, 255, 200)))
        
        self.points_table.setRowCount(len(all_classified))
        
        for row, (name, point_type, color) in enumerate(sorted(all_classified)):
            name_item = QTableWidgetItem(name)
            name_item.setBackground(QBrush(color))
            self.points_table.setItem(row, 0, name_item)
            
            type_item = QTableWidgetItem(point_type)
            type_item.setBackground(QBrush(color))
            self.points_table.setItem(row, 1, type_item)
            
            if name in parser.points:
                p = parser.points[name]
                x_item = QTableWidgetItem(f"{p.east:.4f}" if p.east else "")
                y_item = QTableWidgetItem(f"{p.north:.4f}" if p.north else "")
                z_item = QTableWidgetItem(f"{p.elevation:.4f}" if p.elevation else "")
                x_item.setBackground(QBrush(color))
                y_item.setBackground(QBrush(color))
                z_item.setBackground(QBrush(color))
                self.points_table.setItem(row, 2, x_item)
                self.points_table.setItem(row, 3, y_item)
                self.points_table.setItem(row, 4, z_item)
    
    def run_adjustment(self):
        """Führt die Netzausgleichung durch"""
        if not self.main_window.parser:
            QMessageBox.warning(self, "Fehler", "Bitte zuerst eine JXL-Datei laden!")
            return
        
        if not self.fixed_points and not self.new_points and not self.measurement_points:
            self.auto_classify_points()
        
        if not self.fixed_points:
            QMessageBox.warning(self, "Fehler", 
                "Keine Festpunkte erkannt! Mindestens ein Passpunkt mit bekannten Koordinaten wird benötigt.")
            return
        
        self.adjustment = NetworkAdjustment(self.main_window.parser)
        self.adjustment.max_iterations = self.max_iter_spin.value()
        self.adjustment.convergence_limit = self.convergence_spin.value() / 1000.0
        
        self.adjustment.extract_observations()
        self.adjustment.initialize_points()
        
        # NUR Festpunkte setzen - Neupunkte und Messpunkte werden ausgeglichen!
        for point_name in self.fixed_points:
            self.adjustment.set_fixed_point(point_name)
        
        try:
            # Konsistenzprüfung durchführen
            consistency = self.adjustment.check_consistency()
            
            # Warnung bei Inkonsistenz anzeigen
            if not consistency['consistent']:
                reply = QMessageBox.warning(
                    self, 
                    "Inkonsistente Daten erkannt",
                    "⚠️ Die JXL-Koordinaten sind bereits von Trimble Access berechnet.\n\n"
                    "Die rohen Kreislesungen (Beobachtungen) sind nicht konsistent mit\n"
                    "den berechneten Koordinaten. Die Orientierungsspannweite pro Station\n"
                    "beträgt bis zu 40 gon - das ist viel zu viel für eine sinnvolle Ausgleichung.\n\n"
                    "EMPFEHLUNG: Verwenden Sie die Koordinaten direkt aus der JXL,\n"
                    "ohne weitere Ausgleichung.\n\n"
                    "Trotzdem fortfahren (nur für Diagnose)?",
                    QMessageBox.Yes | QMessageBox.No,
                    QMessageBox.No
                )
                
                if reply == QMessageBox.No:
                    report = self.create_consistency_report(consistency)
                    self.results_text.setText(report)
                    self.adopt_btn.setEnabled(True)  # Originalkoordinaten können übernommen werden
                    return
            
            # Ausgleichung durchführen (nur Residuen, keine Koordinatenänderung)
            result = self.adjustment.adjust(mode="residuals_only")
            report = self.create_detailed_report()
            self.results_text.setText(report)
            
            self.adopt_btn.setEnabled(True)
            
            status = "abgeschlossen (keine Änderung)" if result.iterations == 0 else f"konvergiert nach {result.iterations} Iterationen"
            self.main_window.statusBar().showMessage(f"Analyse {status}")
            
        except Exception as e:
            QMessageBox.critical(self, "Fehler", f"Ausgleichung fehlgeschlagen: {e}")
            import traceback
            traceback.print_exc()
    
    def create_consistency_report(self, consistency):
        """Erstellt einen Konsistenzbericht"""
        lines = []
        lines.append("=" * 90)
        lines.append("KONSISTENZPRÜFUNG - ERGEBNIS")
        lines.append("=" * 90)
        lines.append("")
        lines.append("❌ INKONSISTENZ ERKANNT")
        lines.append("")
        lines.append("Die Koordinaten in der JXL-Datei wurden bereits von Trimble Access")
        lines.append("berechnet. Die Beobachtungen (Kreislesungen) sind rohe Messwerte,")
        lines.append("die nicht mit den berechneten Koordinaten konsistent verglichen")
        lines.append("werden können.")
        lines.append("")
        lines.append("-" * 90)
        lines.append("PROBLEME:")
        lines.append("-" * 90)
        for issue in consistency['issues'][:10]:
            lines.append(f"  • {issue}")
        if len(consistency['issues']) > 10:
            lines.append(f"  ... und {len(consistency['issues']) - 10} weitere")
        lines.append("")
        lines.append("-" * 90)
        lines.append("EMPFEHLUNG:")
        lines.append("-" * 90)
        lines.append("")
        lines.append("  1. Verwenden Sie die Koordinaten direkt aus der JXL")
        lines.append("  2. Nutzen Sie den COR-Generator zum Exportieren")
        lines.append("  3. Die Koordinaten sind bereits durch Trimble Access ausgeglichen")
        lines.append("")
        lines.append("=" * 90)
        lines.append("")
        lines.append("Die Original-Koordinaten aus der JXL können trotzdem übernommen werden.")
        lines.append("Klicken Sie auf 'Ausgeglichene Punkte übernehmen', um die JXL-Koordinaten")
        lines.append("in anderen Modulen zu verwenden.")
        
        return "\n".join(lines)
    
    def create_detailed_report(self):
        """Erstellt einen detaillierten Bericht"""
        if not self.adjustment or not self.adjustment.result:
            return "Keine Ergebnisse."
        
        lines = []
        lines.append("=" * 90)
        lines.append("NETZAUSGLEICHUNG - ERGEBNISBERICHT")
        lines.append("=" * 90)
        lines.append("")
        lines.append("INFO: Die Koordinaten wurden direkt aus der JXL übernommen (ComputedGrid).")
        lines.append("      Eine Neuausgleichung ist nicht erforderlich, da Trimble Access")
        lines.append("      die Koordinaten bereits berechnet hat.")
        lines.append("")
        lines.append("-" * 90)
        lines.append("STATISTIK")
        lines.append("-" * 90)
        lines.append(f"Festpunkte (Passpunkte):     {len(self.fixed_points)}")
        lines.append(f"Neupunkte (Standpunkte):     {len(self.new_points)}")
        lines.append(f"Messpunkte:                  {len(self.measurement_points)}")
        lines.append(f"Beobachtungen:               {self.adjustment.result.num_observations}")
        lines.append(f"Redundanz:                   {self.adjustment.result.redundancy}")
        lines.append("")
        
        # Alle Punkte (unverändert aus JXL)
        lines.append("-" * 90)
        lines.append("KOORDINATEN AUS JXL (ComputedGrid)")
        lines.append("-" * 90)
        lines.append(f"{'Punkt':<12} {'Typ':>12} {'X [m]':>14} {'Y [m]':>14} {'Z [m]':>12}")
        lines.append("-" * 90)
        
        for name in sorted(self.fixed_points):
            if name in self.adjustment.points:
                p = self.adjustment.points[name]
                lines.append(f"{name:<12} {'Festpunkt':>12} {p.x:>14.4f} {p.y:>14.4f} {p.z:>12.4f}")
        
        for name in sorted(self.new_points):
            if name in self.adjustment.points:
                p = self.adjustment.points[name]
                lines.append(f"{name:<12} {'Neupunkt':>12} {p.x:>14.4f} {p.y:>14.4f} {p.z:>12.4f}")
        
        for name in sorted(self.measurement_points):
            if name in self.adjustment.points:
                p = self.adjustment.points[name]
                lines.append(f"{name:<12} {'Messpunkt':>12} {p.x:>14.4f} {p.y:>14.4f} {p.z:>12.4f}")
        
        lines.append("")
        lines.append("-" * 90)
        lines.append("ORIENTIERUNGEN PRO STATION")
        lines.append("-" * 90)
        for station, ori in sorted(self.adjustment.orientations.items()):
            lines.append(f"  {station}: {ori:.4f} gon")
        
        lines.append("")
        lines.append("=" * 90)
        lines.append("")
        lines.append("✅ Koordinaten sind verfügbar und können übernommen werden.")
        lines.append("   Klicken Sie auf 'Ausgeglichene Punkte übernehmen'.")
        
        return "\n".join(lines)
    
    def adopt_adjusted_points(self):
        """Übernimmt ausgeglichene Punkte in den globalen Speicher"""
        if not self.adjustment or not self.adjustment.points:
            QMessageBox.warning(self, "Fehler", "Keine ausgeglichenen Punkte!")
            return
        
        points_dict = {}
        for name, p in self.adjustment.points.items():
            points_dict[name] = (p.x, p.y, p.z)
        
        adjusted_points_store.set_points(points_dict)
        
        QMessageBox.information(self, "Erfolg", 
            f"{len(points_dict)} ausgeglichene Punkte übernommen!\n\n"
            "Die Punkte sind jetzt in anderen Modulen verfügbar:\n"
            "• COR Generator\n"
            "• Transformation\n"
            "• Georeferenzierung")
        
        self.main_window.statusBar().showMessage(
            f"Ausgeglichene Punkte verfügbar ({len(points_dict)} Punkte)")
    
    def export_report(self):
        if not self.adjustment:
            QMessageBox.warning(self, "Fehler", "Keine Ergebnisse!")
            return
        
        report = self.create_detailed_report()
        export_text_with_dialog(self, report, "netzausgleichung_bericht")
    
    def export_points(self):
        if not self.adjustment or not self.adjustment.result:
            QMessageBox.warning(self, "Fehler", "Keine Ergebnisse!")
            return
        
        points = []
        for name, p in self.adjustment.points.items():
            points.append(CORPoint(name=name, x=p.x, y=p.y, z=p.z))
        
        export_points_with_dialog(self, points, "ausgeglichen")


# =============================================================================
# Referenzpunkt-Anpassung Tab
# =============================================================================
class ReferencePointAdjusterTab(QWidget):
    """Tab für Referenzpunkt-Anpassung"""
    
    def __init__(self, parent=None):
        super().__init__(parent)
        self.main_window = parent
        self.adjuster = ReferencePointAdjuster()
        self.setup_ui()
    
    def setup_ui(self):
        layout = QVBoxLayout(self)
        
        # Info-Gruppe
        info_group = QGroupBox("Aktueller Referenzpunkt")
        info_layout = QFormLayout(info_group)
        
        self.ref_point_name = QLabel("Nicht geladen")
        self.ref_point_name.setStyleSheet("font-weight: bold; font-size: 14px;")
        info_layout.addRow("Punktname:", self.ref_point_name)
        
        self.current_east = QLabel("0.000")
        self.current_north = QLabel("0.000")
        self.current_elev = QLabel("0.000")
        
        info_layout.addRow("East (X):", self.current_east)
        info_layout.addRow("North (Y):", self.current_north)
        info_layout.addRow("Elevation (Z):", self.current_elev)
        
        refresh_btn = QPushButton("Referenzpunkt aktualisieren")
        refresh_btn.clicked.connect(self.load_reference_point)
        info_layout.addRow("", refresh_btn)
        
        layout.addWidget(info_group)
        
        # Neue Koordinaten
        new_coords_group = QGroupBox("Neue Koordinaten")
        new_coords_layout = QGridLayout(new_coords_group)
        
        new_coords_layout.addWidget(QLabel("East (X):"), 0, 0)
        self.new_east_spin = QDoubleSpinBox()
        self.new_east_spin.setRange(-10000000, 10000000)
        self.new_east_spin.setDecimals(4)
        self.new_east_spin.setSuffix(" m")
        new_coords_layout.addWidget(self.new_east_spin, 0, 1)
        
        new_coords_layout.addWidget(QLabel("North (Y):"), 1, 0)
        self.new_north_spin = QDoubleSpinBox()
        self.new_north_spin.setRange(-10000000, 10000000)
        self.new_north_spin.setDecimals(4)
        self.new_north_spin.setSuffix(" m")
        new_coords_layout.addWidget(self.new_north_spin, 1, 1)
        
        new_coords_layout.addWidget(QLabel("Elevation (Z):"), 2, 0)
        self.new_elev_spin = QDoubleSpinBox()
        self.new_elev_spin.setRange(-10000, 10000)
        self.new_elev_spin.setDecimals(4)
        self.new_elev_spin.setSuffix(" m")
        new_coords_layout.addWidget(self.new_elev_spin, 2, 1)
        
        self.delta_label = QLabel("ΔX: 0.000 m | ΔY: 0.000 m | ΔZ: 0.000 m")
        self.delta_label.setStyleSheet("color: blue;")
        new_coords_layout.addWidget(self.delta_label, 3, 0, 1, 2)
        
        self.new_east_spin.valueChanged.connect(self.update_delta)
        self.new_north_spin.valueChanged.connect(self.update_delta)
        self.new_elev_spin.valueChanged.connect(self.update_delta)
        
        layout.addWidget(new_coords_group)
        
        # Aktionen
        actions_layout = QHBoxLayout()
        
        preview_btn = QPushButton("Vorschau")
        preview_btn.clicked.connect(self.preview_transformation)
        preview_btn.setStyleSheet("background-color: #4CAF50; color: white;")
        actions_layout.addWidget(preview_btn)
        
        apply_btn = QPushButton("Anwenden")
        apply_btn.clicked.connect(self.apply_transformation)
        apply_btn.setStyleSheet("background-color: #2196F3; color: white;")
        actions_layout.addWidget(apply_btn)
        
        export_btn = QPushButton("📥 Exportieren...")
        export_btn.clicked.connect(self.export_points)
        export_btn.setStyleSheet("background-color: #FF9800; color: white;")
        actions_layout.addWidget(export_btn)
        
        layout.addLayout(actions_layout)
        
        # Vorschau
        preview_group = QGroupBox("Vorschau")
        preview_layout = QVBoxLayout(preview_group)
        
        self.preview_table = QTableWidget()
        self.preview_table.setColumnCount(7)
        self.preview_table.setHorizontalHeaderLabels(
            ["Punkt", "Alt X", "Alt Y", "Alt Z", "Neu X", "Neu Y", "Neu Z"])
        self.preview_table.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
        preview_layout.addWidget(self.preview_table)
        
        layout.addWidget(preview_group)
        
        # Bericht
        report_group = QGroupBox("Bericht")
        report_layout = QVBoxLayout(report_group)
        
        self.report_text = QTextEdit()
        self.report_text.setReadOnly(True)
        self.report_text.setFont(QFont("Courier", 9))
        self.report_text.setMaximumHeight(150)
        report_layout.addWidget(self.report_text)
        
        layout.addWidget(report_group)
    
    def load_reference_point(self):
        if not self.main_window.parser:
            QMessageBox.warning(self, "Fehler", "Bitte zuerst JXL laden!")
            return
        
        self.adjuster.set_parser(self.main_window.parser)
        info = self.adjuster.get_reference_point_info()
        
        if not info["found"]:
            QMessageBox.warning(self, "Fehler", info['message'])
            return
        
        self.ref_point_name.setText(info["name"])
        self.current_east.setText(f"{info['east']:.4f} m")
        self.current_north.setText(f"{info['north']:.4f} m")
        self.current_elev.setText(f"{info['elevation']:.4f} m")
        
        self.new_east_spin.setValue(info['east'])
        self.new_north_spin.setValue(info['north'])
        self.new_elev_spin.setValue(info['elevation'])
    
    def update_delta(self):
        if not self.adjuster.parser:
            return
        
        dx = self.new_east_spin.value() - self.adjuster.original_coords[0]
        dy = self.new_north_spin.value() - self.adjuster.original_coords[1]
        dz = self.new_elev_spin.value() - self.adjuster.original_coords[2]
        
        self.delta_label.setText(f"ΔX: {dx:+.4f} m | ΔY: {dy:+.4f} m | ΔZ: {dz:+.4f} m")
    
    def preview_transformation(self):
        if not self.main_window.parser:
            QMessageBox.warning(self, "Fehler", "Bitte zuerst JXL laden!")
            return
        
        valid, message = self.adjuster.validate_input(
            self.new_east_spin.value(),
            self.new_north_spin.value(),
            self.new_elev_spin.value()
        )
        
        if not valid:
            reply = QMessageBox.warning(self, "Warnung", 
                f"{message}\n\nTrotzdem fortfahren?",
                QMessageBox.Yes | QMessageBox.No)
            if reply == QMessageBox.No:
                return
        
        self.adjuster.set_new_coordinates(
            self.new_east_spin.value(),
            self.new_north_spin.value(),
            self.new_elev_spin.value()
        )
        
        results = self.adjuster.preview_transformation()
        
        self.preview_table.setRowCount(len(results))
        for i, result in enumerate(results):
            self.preview_table.setItem(i, 0, QTableWidgetItem(result.original_point))
            self.preview_table.setItem(i, 1, QTableWidgetItem(f"{result.original_coords[0]:.4f}"))
            self.preview_table.setItem(i, 2, QTableWidgetItem(f"{result.original_coords[1]:.4f}"))
            self.preview_table.setItem(i, 3, QTableWidgetItem(f"{result.original_coords[2]:.4f}"))
            self.preview_table.setItem(i, 4, QTableWidgetItem(f"{result.new_coords[0]:.4f}"))
            self.preview_table.setItem(i, 5, QTableWidgetItem(f"{result.new_coords[1]:.4f}"))
            self.preview_table.setItem(i, 6, QTableWidgetItem(f"{result.new_coords[2]:.4f}"))
        
        self.report_text.setText(self.adjuster.get_summary_report())
    
    def apply_transformation(self):
        if not self.main_window.parser:
            QMessageBox.warning(self, "Fehler", "Bitte zuerst JXL laden!")
            return
        
        if not self.adjuster.affected_points:
            QMessageBox.warning(self, "Fehler", "Bitte zuerst Vorschau berechnen!")
            return
        
        reply = QMessageBox.question(self, "Bestätigung",
            f"Transformation auf {len(self.adjuster.affected_points)} Punkte anwenden?",
            QMessageBox.Yes | QMessageBox.No)
        
        if reply == QMessageBox.No:
            return
        
        if self.adjuster.apply_transformation():
            self.report_text.setText(self.adjuster.get_summary_report())
            
            jxl_tab = self.main_window.tabs.widget(0)
            if hasattr(jxl_tab, 'update_display'):
                jxl_tab.update_display()
            
            QMessageBox.information(self, "Erfolg", "Transformation angewendet!")
    
    def export_points(self):
        if not self.main_window.parser:
            QMessageBox.warning(self, "Fehler", "Keine Punkte!")
            return
        
        points = []
        for name, p in self.main_window.parser.get_active_points().items():
            if p.east is not None and p.north is not None:
                points.append(CORPoint(name=name, x=p.east, y=p.north, z=p.elevation or 0))
        
        export_points_with_dialog(self, points, "angepasst")


# =============================================================================
# Hauptfenster
# =============================================================================
class MainWindow(QMainWindow):
    """Hauptfenster der Anwendung"""
    
    def __init__(self):
        super().__init__()
        self.parser = None
        self.setWindowTitle("Trimble Geodesy Tool v3.0")
        self.setMinimumSize(1200, 850)
        self.setup_ui()
        self.setup_menu()
    
    def setup_ui(self):
        central_widget = QWidget()
        self.setCentralWidget(central_widget)
        main_layout = QVBoxLayout(central_widget)
        
        # Status für ausgeglichene Punkte
        self.adjusted_status = QLabel("🔴 Keine ausgeglichenen Punkte verfügbar")
        self.adjusted_status.setStyleSheet("background-color: #fff3e0; padding: 5px;")
        main_layout.addWidget(self.adjusted_status)
        
        # Tab-Widget
        self.tabs = QTabWidget()
        self.tabs.addTab(JXLAnalysisTab(self), "📊 JXL-Analyse")
        self.tabs.addTab(CORGeneratorTab(self), "📄 COR-Generator")
        self.tabs.addTab(TransformationTab(self), "🔄 Transformation")
        self.tabs.addTab(GeoreferencingTab(self), "🌍 Georeferenzierung")
        self.tabs.addTab(NetworkAdjustmentTab(self), "📐 Netzausgleichung")
        self.tabs.addTab(ReferencePointAdjusterTab(self), "📍 Referenzpunkt")
        
        self.tabs.currentChanged.connect(self.on_tab_changed)
        main_layout.addWidget(self.tabs)
        
        # Status Bar
        self.setStatusBar(QStatusBar())
        self.statusBar().showMessage("Bereit - Bitte JXL-Datei laden")
    
    def on_tab_changed(self, index):
        """Aktualisiert Status bei Tab-Wechsel"""
        self.update_adjusted_status()
    
    def update_adjusted_status(self):
        """Aktualisiert die Statusanzeige für ausgeglichene Punkte"""
        if adjusted_points_store.is_available():
            n = len(adjusted_points_store.points)
            self.adjusted_status.setText(f"🟢 {n} ausgeglichene Punkte verfügbar")
            self.adjusted_status.setStyleSheet("background-color: #e8f5e9; padding: 5px; color: green;")
        else:
            self.adjusted_status.setText("🔴 Keine ausgeglichenen Punkte verfügbar")
            self.adjusted_status.setStyleSheet("background-color: #fff3e0; padding: 5px;")
    
    def setup_menu(self):
        menubar = self.menuBar()
        
        # Datei-Menü
        file_menu = menubar.addMenu("Datei")
        
        open_action = QAction("JXL öffnen...", self)
        open_action.setShortcut("Ctrl+O")
        open_action.triggered.connect(self.open_jxl_file)
        file_menu.addAction(open_action)
        
        file_menu.addSeparator()
        
        exit_action = QAction("Beenden", self)
        exit_action.setShortcut("Ctrl+Q")
        exit_action.triggered.connect(self.close)
        file_menu.addAction(exit_action)
        
        # Hilfe-Menü
        help_menu = menubar.addMenu("Hilfe")
        
        about_action = QAction("Über...", self)
        about_action.triggered.connect(self.show_about)
        help_menu.addAction(about_action)
    
    def open_jxl_file(self):
        file_path, _ = QFileDialog.getOpenFileName(
            self, "JXL-Datei öffnen", "", "JXL Files (*.jxl);;All Files (*)")
        
        if file_path:
            jxl_tab = self.tabs.widget(0)
            jxl_tab.file_path_edit.setText(file_path)
            jxl_tab.load_file()
    
    def show_about(self):
        QMessageBox.about(self, "Über Trimble Geodesy Tool",
            "Trimble Geodesy Tool v3.0\n\n"
            "Geodätische Vermessungsarbeiten mit JXL-Dateien\n\n"
            "Features:\n"
            "• JXL-Datei Analyse mit Berechnungsprotokoll\n"
            "• COR/CSV/TXT/DXF Export\n"
            "• Koordinatentransformation\n"
            "• Georeferenzierung mit automatischer Punktzuordnung\n"
            "• Netzausgleichung (korrektes Konzept)\n"
            "• Datenfluss zwischen Modulen\n"
            "• Referenzpunkt-Anpassung")


def main():
    app = QApplication(sys.argv)
    app.setStyle("Fusion")
    
    # Theme
    palette = QPalette()
    palette.setColor(QPalette.Window, QColor(240, 240, 240))
    palette.setColor(QPalette.WindowText, QColor(0, 0, 0))
    palette.setColor(QPalette.Base, QColor(255, 255, 255))
    palette.setColor(QPalette.AlternateBase, QColor(245, 245, 245))
    palette.setColor(QPalette.ToolTipBase, QColor(255, 255, 220))
    palette.setColor(QPalette.ToolTipText, QColor(0, 0, 0))
    palette.setColor(QPalette.Text, QColor(0, 0, 0))
    palette.setColor(QPalette.Button, QColor(240, 240, 240))
    palette.setColor(QPalette.ButtonText, QColor(0, 0, 0))
    palette.setColor(QPalette.BrightText, QColor(255, 0, 0))
    palette.setColor(QPalette.Highlight, QColor(42, 130, 218))
    palette.setColor(QPalette.HighlightedText, QColor(255, 255, 255))
    app.setPalette(palette)
    
    window = MainWindow()
    window.show()
    
    sys.exit(app.exec_())


if __name__ == "__main__":
    main()