fileViewer.py

import sys
import json
import os
from PyQt6.QtCore import QDir, Qt
from PyQt6.QtGui import QFileSystemModel
from PyQt6.QtWidgets import QStyledItemDelegate, QComboBox, QApplication,  QTreeView, QWidget, QVBoxLayout, QHBoxLayout, QFileDialog, QLabel, QPushButton, QCheckBox


def itemIDs():
	if hasattr(sys, '_MEIPASS'):
			# Running in a PyInstaller bundle
			base_path = sys._MEIPASS

	else:
			# Running in a normal Python environment
		base_path = os.path.abspath(".")

	dictPath = os.path.join(base_path, 'parts.json')

		# Load key-value pairs from the JSON file
	with open(dictPath, 'r') as file:
		IDs = json.load(file)

	return IDs

class ComboBoxDelegate(QStyledItemDelegate):
	def __init__(self, itemIDs, parent=None):
		super(ComboBoxDelegate, self).__init__(parent)
		self.itemIDs = itemIDs

	def createEditor(self, parent, option, index):
		filename = index.data()
		self.currentFilePath = index.model().filePath(index)
		if filename in self.itemIDs:
			comboBox = QComboBox(parent)
			comboBox.addItem(filename)
			matchingIDs = [(id, self.itemIDs[id]) for id in self.itemIDs.keys()
				   if id[:2] == filename[:2]]
			matchingIDs.sort(key=lambda x: x[1])
			for id, description in matchingIDs:
				comboBox.addItem(description, id)
			comboBox.currentIndexChanged.connect(self.renameFile)
			return comboBox
		return super().createEditor(parent, option, index)

	def setEditorData(self, editor, index):
		if isinstance(editor, QComboBox):
			currentText = index.data()
			editor.setCurrentText(currentText)
		else:
			super().setEditorData(editor, index)

	def setModelData(self, editor, model, index):
		if isinstance(editor, QComboBox):
			model.setData(index, editor.currentText())
		else:
			super().setModelData(editor, model, index)

	def renameFile(self, index):
		comboBox = self.sender()
		newFileName = comboBox.currentData()  # Retrieve the file name (key) from the data
		newFilePath = os.path.join(os.path.dirname(self.currentFilePath), newFileName)
		try:
			os.rename(self.currentFilePath, newFilePath)
			self.currentFilePath = newFilePath
		except Exception as e:
			print(f"Error renaming file: {e}")

class EditableFileSystemModel(QFileSystemModel):
	def flags(self, index):
		return super().flags(index) | Qt.ItemFlag.ItemIsEditable

class DirTreeView(QWidget):
	def __init__(self, path, itemIDs = {}):
		super().__init__()
		self.path = path
		# Create a file system model
		self.model = EditableFileSystemModel()
		# Only display directories in the tree view by default
		self.model.setFilter(QDir.Filter.AllEntries | QDir.Filter.NoDotAndDotDot)
		# Create a tree view widget
		self.tree_view = QTreeView()
		self.path_label = QLabel(f"Selected Mod: {path.split("\\")[-1]}")
		layout = QVBoxLayout()
		layout.addWidget(self.path_label)
		layout.addWidget(self.tree_view)
		self.setLayout(layout)

		self.model.setRootPath(path)
		self.tree_view.setModel(self.model)
		self.tree_view.setRootIndex(self.model.index(path))
		self.tree_view.setSortingEnabled(True)
		self.tree_view.sortByColumn(0, Qt.SortOrder.AscendingOrder)
		self.tree_view.header().resizeSection(0, 450)
		self.tree_view.expandAll()
		delegate = ComboBoxDelegate(itemIDs)
		self.tree_view.setItemDelegateForColumn(0, delegate)

if __name__ == '__main__':
	app = QApplication(sys.argv)
	IDs = itemIDs()
	# Create the directory tree view widget
	tree_view = DirTreeView(
		path="D:\\Games\\elden rang mods\\ModEngine-2.1.0.0-win64\\mod"
		,itemIDs=IDs)
	tree_view.show()

	sys.exit(app.exec())