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687
src/main.py
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687
src/main.py
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#!/usr/bin/env python3
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"""
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project: GarageCalc1
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file: main.py
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summary: Calculates available size of a garage space
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license: GPL
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author: Paul Salajean (p.salajean[at]gmx.de)
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"""
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# Standard library imports
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import sys
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import os
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import csv
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# Third party imports
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from PySide2.QtWidgets import QApplication, QMainWindow, QTableWidgetItem, QStatusBar, QAction, QFileDialog, \
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QAbstractItemView, QMenu, QMessageBox
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from PySide2.QtGui import QIcon
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from PySide2.QtCore import QFile, QSize, Qt
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from PySide2.QtUiTools import QUiLoader
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# Local imports
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from utils import show_about, resource_path
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# Local globals
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UI_FILE = "main.ui"
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APP_NAME = "Garagenraum-Rechner"
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APP_DISPNAME = "GarageCalc"
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APP_VERSION = "v0.1"
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APP_AUTHOR = "Paul Salajean"
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APP_DESCR = "Berechnet zur Verfügung stehenden Garagenraum"
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APP_COPYRIGHT = "(c) Paul Salajean 2021"
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APP_WEBSITE = "https://gitlab.com/ProfP303"
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APP_DESKTOPFILENAME = "GarageCalc"
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APP_ICON = "./img/icons8-garage-32.ico"
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ICON_NEW = "./img/icons8-new-file-32.png"
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ICON_OPEN = "./img/icons8-opened-folder-32.png"
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ICON_SAVE = "./img/icons8-save-32.png"
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ICON_EXPORT = "./img/icons8-export-xls-32.png"
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ICON_ABOUT = "./img/icons8-information-32.png"
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ICON_QUIT = "./img/system-shutdown.png"
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COL_STUFF = 0
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COL_LENGTH = 1
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COL_WIDTH = 2
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COL_HEIGHT = 3
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COL_WEIGHT = 4
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DEFAULT_GARAGE_LENGTH = "6"
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DEFAULT_GARAGE_WIDTH = "2.5"
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DEFAULT_GARAGE_HEIGHT = "2.5"
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TBL_STUFF_ROW_COUNT = 50
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class MyMainWindow(QMainWindow):
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def __init__(self):
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super().__init__()
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self.load_ui()
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self.init_ui()
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self.set_defaults()
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self.connect_signals()
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self.create_actions()
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self.create_toolbar()
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self.create_statusbar()
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self.statusBar.showMessage(f"{APP_NAME} {APP_VERSION} by {APP_AUTHOR}", 5000)
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self.calc_voluminae()
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self.ui.efWeight.setText(str("0"))
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self.is_modified = False
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self.opened_file = None
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def load_ui(self):
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loader = QUiLoader()
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path = os.path.join(os.path.dirname(__file__), resource_path( UI_FILE))
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ui_file = QFile(path)
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ui_file.open(QFile.ReadOnly)
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self.ui = loader.load(ui_file, self)
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ui_file.close()
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# self.headers = self.ui.tableStuff.horizontalHeader()
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self.headers = self.ui.tableStuff.verticalHeader()
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self.headers.setContextMenuPolicy(Qt.CustomContextMenu)
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self.headers.customContextMenuRequested.connect(self.show_rowheader_context_menu)
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self.headers.setSelectionMode(QAbstractItemView.SingleSelection)
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def create_actions(self):
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self.actionNew = QAction()
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self.actionNew.setIcon(QIcon(resource_path(ICON_NEW)))
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self.actionNew.triggered.connect(self.file_new)
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self.actionNew.setShortcut("Ctrl+N")
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self.actionNew.setToolTip("Neu (Strg+N)")
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self.actionOpen = QAction()
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self.actionOpen.setIcon(QIcon(resource_path(ICON_OPEN)))
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self.actionOpen.triggered.connect(self.file_open)
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self.actionOpen.setShortcut("Ctrl+O")
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self.actionOpen.setToolTip("Öffnen... (Strg+O)")
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self.actionSave = QAction()
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self.actionSave.setIcon(QIcon(resource_path(ICON_SAVE)))
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self.actionSave.triggered.connect(self.file_save)
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self.actionSave.setShortcut("Ctrl+S")
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self.actionSave.setToolTip("Speichern (Strg+S)")
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self.actionExport = QAction()
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self.actionExport.setIcon(QIcon(resource_path(ICON_EXPORT)))
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self.actionExport.triggered.connect(self.file_export)
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self.actionExport.setToolTip("Export nach EXCEL...")
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self.actionAbout = QAction()
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self.actionAbout.setIcon(QIcon(resource_path(ICON_ABOUT)))
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self.actionAbout.triggered.connect(show_about)
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self.actionAbout.setToolTip("Informationen über das Programm")
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self.actionQuit = QAction()
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self.actionQuit.setIcon(QIcon(resource_path(ICON_QUIT)))
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self.actionQuit.triggered.connect(QApplication.quit)
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self.actionQuit.setShortcut("Ctrl+Q")
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self.actionQuit.setToolTip("Programm beenden (Strg+Q)")
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def create_toolbar(self):
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# Main Toolbar (for all pages/views)
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self.toolbar = self.addToolBar('Main Toolbar')
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self.toolbar.setIconSize(QSize(32, 32))
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self.toolbar.addAction(self.actionNew)
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self.toolbar.addAction(self.actionOpen)
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self.toolbar.addAction(self.actionSave)
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self.toolbar.addSeparator()
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self.toolbar.addAction(self.actionExport)
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self.toolbar.addSeparator()
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self.toolbar.addAction(self.actionAbout)
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self.toolbar.addSeparator()
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self.toolbar.addAction(self.actionQuit)
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def set_defaults(self):
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tblGarage = self.ui.tableGarage
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tblStuff = self.ui.tableStuff
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tblGarage.setItem(0, 0, QTableWidgetItem(DEFAULT_GARAGE_LENGTH))
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tblGarage.setItem(0, 1, QTableWidgetItem(DEFAULT_GARAGE_WIDTH))
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tblGarage.setItem(0, 2, QTableWidgetItem(DEFAULT_GARAGE_HEIGHT))
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tblStuff.setRowCount(TBL_STUFF_ROW_COUNT)
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self.is_modified = False
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def create_statusbar(self):
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self.statusBar = QStatusBar()
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self.setStatusBar(self.statusBar)
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def connect_signals(self):
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tblGarage = self.ui.tableGarage
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tblStuff = self.ui.tableStuff
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tblGarage.itemChanged.connect(self.on_garage_changed)
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tblStuff.itemChanged.connect(self.on_stuff_changed)
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def show_rowheader_context_menu(self, position):
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tblStuff = self.ui.tableStuff
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row = self.headers.logicalIndexAt(position)
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menu = QMenu()
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remove_row = menu.addAction("Zeile entfernen")
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insert_row = menu.addAction("Zeile einfügen")
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ac = menu.exec_(tblStuff.mapToGlobal(position))
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if ac == remove_row:
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tblStuff.removeRow(row)
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self.calc_voluminae()
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elif ac == insert_row:
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tblStuff.insertRow(row)
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def init_ui(self):
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tblGarage = self.ui.tableGarage
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tblStuff = self.ui.tableStuff
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# clear garage
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# tblGarage.clear()
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tblGarage.setRowCount(0)
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tblGarage.setRowCount(1)
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tblGarage.setVerticalHeaderLabels(["Garage"])
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# clear stuff
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# tblStuff.clear()
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tblStuff.setRowCount(0)
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tblStuff.setRowCount(TBL_STUFF_ROW_COUNT)
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# clear results
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self.ui.efVol_Garage.clear()
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self.ui.efVol_Stuff.clear()
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self.ui.efVol_Free.clear()
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self.ui.efWeight.clear()
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self.opened_file = None
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if self.opened_file:
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self.setWindowTitle(self.opened_file)
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else:
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self.setWindowTitle(f"{APP_NAME} {APP_VERSION} by {APP_AUTHOR}")
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self.ui.efVol_Free.setStyleSheet("")
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self.is_modified = False
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def file_new(self):
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if self.is_modified:
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msg = "Es wurden bereits Einträge manuell geändert. Ohne Speichern sind alle Änderungen verloren. Trotzdem fortfahren?"
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reply = QMessageBox.question(self, "Neu", msg, \
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QMessageBox.Yes | QMessageBox.No, QMessageBox.Yes)
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if reply == QMessageBox.No:
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return False
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self.init_ui()
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def file_save(self):
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tblGarage = self.ui.tableGarage
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tblStuff = self.ui.tableStuff
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is_file_saved = False
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fileName = self.opened_file
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if not self.opened_file: # if not file already open
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options = QFileDialog.Options()
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fileName, _ = QFileDialog.getSaveFileName(None, "Speichern", None,
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"CSV-Datei (*.csv);;Alle Dateien (*)",
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options=options)
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if fileName: # if not file already open
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with open(fileName, mode='w', newline='') as garagecalc_file:
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writer = csv.writer(garagecalc_file, delimiter=';', quotechar='"', quoting=csv.QUOTE_MINIMAL)
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garage_length = 0
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garage_width = 0
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garage_height = 0
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item_length = tblGarage.item(0, 0)
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item_width = tblGarage.item(0, 1)
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item_height = tblGarage.item(0, 2)
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# loop over table Garage
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for row in range(tblGarage.rowCount()):
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# get garage length
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if item_length:
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garage_length = item_length.text()
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try:
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garage_length = float(garage_length)
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except ValueError:
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garage_length = 0.0
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# get garage width
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if item_width:
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garage_width = item_width.text()
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try:
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garage_width = float(garage_width)
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except ValueError:
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garage_width = 0.0
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# get garage height
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if item_height:
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garage_height = item_height.text()
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try:
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garage_height = float(garage_height)
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except ValueError:
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garage_height = 0.0
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if garage_length or garage_width or garage_height:
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writer.writerow(["Garage", garage_length, garage_width, garage_height])
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# loop over table Stuff
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for row in range(tblStuff.rowCount()):
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stuff_text = None
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length = None
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width = None
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height = None
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weight = None
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item_stuff = tblStuff.item(row, COL_STUFF)
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item_length = tblStuff.item(row, COL_LENGTH)
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item_width = tblStuff.item(row, COL_WIDTH)
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item_height = tblStuff.item(row, COL_HEIGHT)
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item_weight = tblStuff.item(row, COL_WEIGHT)
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if item_stuff:
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stuff_text = item_stuff.text()
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if item_length:
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try:
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length = float(item_length.text())
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except ValueError:
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length = None
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if item_width:
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try:
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width = float(item_width.text())
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except ValueError:
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width = None
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if item_height:
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try:
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height = float(item_height.text())
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except ValueError:
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height = None
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if item_weight:
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try:
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weight = float(item_weight.text())
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except ValueError:
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weight = None
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if item_stuff or item_length or item_width or item_height or item_weight:
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writer.writerow([stuff_text, length, width, height, weight])
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is_file_saved = True
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self.opened_file = os.path.basename(fileName)
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self.setWindowTitle(self.opened_file)
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self.is_modified = False
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if is_file_saved:
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self.statusBar.showMessage(f"Datei {fileName} gespeichert.", 2000)
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def file_open(self):
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if self.is_modified:
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msg = "Es wurden bereits Einträge manuell geändert. Ohne Speichern sind alle Änderungen verloren. Trotzdem fortfahren?"
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reply = QMessageBox.question(self, "Fortfahren?", msg, \
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QMessageBox.Yes | QMessageBox.No, QMessageBox.Yes)
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if reply == QMessageBox.No:
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return False
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tblGarage = self.ui.tableGarage
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tblStuff = self.ui.tableStuff
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options = QFileDialog.Options()
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sTxtFilesAll = "Alle Dateien"
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sTxtFiles = "CSV-Datei"
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fileName, _ = QFileDialog.getOpenFileName(self, "Öffnen", None,
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sTxtFiles + " (*.csv);;" + sTxtFilesAll + " (*)",
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options=options)
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if fileName:
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self.init_ui()
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file = open(fileName, "r", newline='')
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reader = csv.reader(file, delimiter=';')
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row_idx = 0
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for row in reader:
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if row_idx == 0: # first row (index=0) ist always garage dimension
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try:
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garage_length = row[1]
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garage_width = row[2]
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garage_height = row[3]
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tblGarage.setItem(0, COL_LENGTH-1, QTableWidgetItem(str(garage_length)))
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tblGarage.setItem(0, COL_WIDTH-1, QTableWidgetItem(str(garage_width)))
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tblGarage.setItem(0, COL_HEIGHT-1, QTableWidgetItem(str(garage_height)))
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except IndexError as ex:
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pass
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if row_idx > 0:
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try:
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stuff = row[0]
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stuff_length = row[1]
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stuff_width = row[2]
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stuff_height = row[3]
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stuff_weight = row[4]
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tblStuff.setItem(row_idx - 1, COL_STUFF, QTableWidgetItem(stuff))
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tblStuff.setItem(row_idx - 1, COL_LENGTH, QTableWidgetItem(str(stuff_length)))
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tblStuff.setItem(row_idx - 1, COL_WIDTH, QTableWidgetItem(str(stuff_width)))
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tblStuff.setItem(row_idx - 1, COL_HEIGHT, QTableWidgetItem(str(stuff_height)))
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tblStuff.setItem(row_idx - 1, COL_WEIGHT, QTableWidgetItem(str(stuff_weight)))
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except IndexError as ex:
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pass
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row_idx += 1
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tblStuff.setRowCount(TBL_STUFF_ROW_COUNT)
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self.is_modified = False
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self.opened_file = os.path.basename(fileName)
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if fileName:
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self.setWindowTitle(self.opened_file)
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else:
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self.setWindowTitle(f"{APP_NAME} {APP_VERSION} by {APP_AUTHOR}")
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def file_export(self):
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tblGarage = self.ui.tableGarage
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tblStuff = self.ui.tableStuff
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options = QFileDialog.Options()
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file_name, _ = QFileDialog.getSaveFileName(None, "Exportieren", None, "Excel-Datei (*.xlsx);;Alle Dateien (*)", options=options)
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if file_name:
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try:
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import xlsxwriter
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except ModuleNotFoundError:
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print(f"[{__file__}] Module 'xlsxwriter' not found!")
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else:
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print(f"Exporting into file -> {file_name}")
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workbook = xlsxwriter.Workbook(file_name)
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worksheet = workbook.add_worksheet()
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# write col header
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start_row = 0
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worksheet.write(start_row, 0, "Dimension der Garage")
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start_row = 1
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worksheet.write(start_row, COL_LENGTH, "Länge [m]")
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worksheet.write(start_row, COL_WIDTH, "Breite [m]")
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worksheet.write(start_row, COL_HEIGHT, "Höhe [m]")
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worksheet.set_column(0, 0, 25)
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worksheet.set_column(1, 3, 10)
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start_row = 2
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# loop over table Garage
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for row in range(tblGarage.rowCount()):
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# get garage length
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garage_length = tblGarage.item(0, 0).text()
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try:
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garage_length = float(garage_length)
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except ValueError:
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garage_length = 0.0
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# get garage width
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garage_width = tblGarage.item(0, 1).text()
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try:
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garage_width = float(garage_width)
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except ValueError:
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garage_width = 0.0
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# get garage height
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garage_height = tblGarage.item(0, 2).text()
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try:
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garage_height = float(garage_height)
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except ValueError:
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garage_height = 0.0
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worksheet.write(start_row + row, COL_LENGTH, garage_length)
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worksheet.write(start_row + row, COL_WIDTH, garage_width)
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worksheet.write(start_row + row, COL_HEIGHT, garage_height)
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start_row = 4
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worksheet.write(start_row, 0, "Dimensionen der zu verstauenden Gegenstände")
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start_row = 5
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worksheet.write(start_row, COL_LENGTH, "Länge [m]")
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worksheet.write(start_row, COL_WIDTH, "Breite [m]")
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worksheet.write(start_row, COL_HEIGHT, "Höhe [m]")
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worksheet.write(start_row, COL_WEIGHT, "Gewicht [kg]")
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start_row = 6
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# loop over table Stuff
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row_idx = start_row
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for row in range(tblStuff.rowCount()):
|
||||
item_stuff = tblStuff.item(row, COL_STUFF)
|
||||
item_length = tblStuff.item(row, COL_LENGTH)
|
||||
item_width = tblStuff.item(row, COL_WIDTH)
|
||||
item_height = tblStuff.item(row, COL_HEIGHT)
|
||||
item_weight = tblStuff.item(row, COL_WEIGHT)
|
||||
|
||||
if item_stuff:
|
||||
stuff_text = item_stuff.text()
|
||||
if len(stuff_text)>0:
|
||||
worksheet.write(start_row + row, COL_STUFF, stuff_text)
|
||||
|
||||
if item_length:
|
||||
try:
|
||||
length = float(item_length.text())
|
||||
if length:
|
||||
worksheet.write(start_row + row, COL_LENGTH, length)
|
||||
except ValueError:
|
||||
pass
|
||||
|
||||
if item_width:
|
||||
try:
|
||||
width = float(item_width.text())
|
||||
if width:
|
||||
worksheet.write(start_row + row, COL_WIDTH, width)
|
||||
except ValueError:
|
||||
pass
|
||||
|
||||
if item_height:
|
||||
try:
|
||||
height = float(item_height.text())
|
||||
if height:
|
||||
worksheet.write(start_row + row, COL_HEIGHT, height)
|
||||
except ValueError:
|
||||
pass
|
||||
|
||||
if item_weight:
|
||||
try:
|
||||
weight = float(item_weight.text())
|
||||
if weight:
|
||||
worksheet.write(start_row + row, COL_WEIGHT, weight)
|
||||
except ValueError:
|
||||
pass
|
||||
|
||||
if item_stuff or item_length or item_width or item_height or item_weight:
|
||||
row_idx += 1
|
||||
|
||||
row_idx += 1
|
||||
# loop over Results
|
||||
worksheet.write(row_idx, 0, "Ergebnis")
|
||||
|
||||
row_idx += 1
|
||||
worksheet.write(row_idx, 0, "Volumen der Garage:")
|
||||
worksheet.write(row_idx, 1, float(self.ui.efVol_Garage.text()))
|
||||
|
||||
row_idx += 1
|
||||
worksheet.write(row_idx, 0, "Volumen der Gegenstände:")
|
||||
worksheet.write(row_idx, 1, float(self.ui.efVol_Stuff.text()))
|
||||
|
||||
row_idx += 1
|
||||
worksheet.write(row_idx, 0, "Freier Raum")
|
||||
worksheet.write(row_idx, 1, float(self.ui.efVol_Free.text()))
|
||||
|
||||
row_idx += 1
|
||||
worksheet.write(row_idx, 0, "Gesamtgewicht")
|
||||
worksheet.write(row_idx, 1, float(self.ui.efWeight.text()))
|
||||
|
||||
workbook.close()
|
||||
self.statusBar.showMessage(f"Erfolgreich nach EXCEL exportiert.", 5000)
|
||||
|
||||
def on_garage_changed(self):
|
||||
self.is_modified = True
|
||||
self.calc_voluminae()
|
||||
|
||||
def on_stuff_changed(self):
|
||||
self.is_modified = True
|
||||
self.calc_voluminae()
|
||||
self.calc_weight()
|
||||
|
||||
def get_garage_vol(self):
|
||||
tblGarage = self.ui.tableGarage
|
||||
is_error = False
|
||||
|
||||
garage_length = 0
|
||||
garage_width = 0
|
||||
garage_height = 0
|
||||
|
||||
# get garage length
|
||||
if tblGarage.item(0, 0):
|
||||
garage_length = tblGarage.item(0, 0).text()
|
||||
if garage_length:
|
||||
try:
|
||||
garage_length = float(garage_length)
|
||||
except ValueError:
|
||||
garage_length = 0.0
|
||||
is_error = True
|
||||
|
||||
# get garage width
|
||||
if tblGarage.item(0, 1):
|
||||
garage_width = tblGarage.item(0, 1).text()
|
||||
if garage_width:
|
||||
try:
|
||||
garage_width = float(garage_width)
|
||||
except ValueError:
|
||||
garage_width = 0.0
|
||||
is_error = True
|
||||
|
||||
# get garage height
|
||||
if tblGarage.item(0, 2):
|
||||
garage_height = tblGarage.item(0, 2).text()
|
||||
if garage_height:
|
||||
try:
|
||||
garage_height = float(garage_height)
|
||||
except ValueError:
|
||||
garage_height = 0.0
|
||||
is_error = True
|
||||
|
||||
if not is_error:
|
||||
garage_vol = garage_length * float(garage_width) * float(garage_height)
|
||||
else:
|
||||
garage_vol = 0.0
|
||||
self.statusBar.showMessage("Fehler in der Garagen-Dimension. :-(", 5000)
|
||||
|
||||
return garage_vol
|
||||
|
||||
def get_stuff_vol(self):
|
||||
tblStuff = self.ui.tableStuff
|
||||
stuff_vol = 0
|
||||
length = 0
|
||||
width = 0
|
||||
height = 0
|
||||
# get number of rows
|
||||
row_count = tblStuff.rowCount()
|
||||
|
||||
is_error = False
|
||||
|
||||
# get stuff voluminae
|
||||
for row in range(row_count):
|
||||
vol = 0
|
||||
length = 0
|
||||
width = 0
|
||||
height = 0
|
||||
item_length = tblStuff.item(row, COL_LENGTH)
|
||||
item_width = tblStuff.item(row, COL_WIDTH)
|
||||
item_height = tblStuff.item(row, COL_HEIGHT)
|
||||
|
||||
if item_length:
|
||||
try:
|
||||
length = float(item_length.text())
|
||||
except ValueError:
|
||||
length = 0
|
||||
is_error = True
|
||||
|
||||
if item_width:
|
||||
try:
|
||||
width = float(item_width.text())
|
||||
except ValueError:
|
||||
width = 0
|
||||
is_error = True
|
||||
|
||||
if item_height:
|
||||
try:
|
||||
height = float(item_height.text())
|
||||
except ValueError:
|
||||
height = 0
|
||||
is_error = True
|
||||
|
||||
vol = length * width * height
|
||||
|
||||
stuff_vol = stuff_vol + vol
|
||||
|
||||
if is_error:
|
||||
stuff_vol = 0.0
|
||||
self.statusBar.showMessage("Fehler in den Dimensionen der zu verstauenden Gegenstände :-(", 5000)
|
||||
|
||||
return stuff_vol
|
||||
|
||||
def calc_voluminae(self):
|
||||
tblGarage = self.ui.tableGarage
|
||||
|
||||
# get garage vol
|
||||
garage_vol = self.get_garage_vol()
|
||||
|
||||
# get stuff vol
|
||||
stuff_vol = self.get_stuff_vol()
|
||||
|
||||
# display results
|
||||
self.ui.efVol_Garage.setText(str(garage_vol))
|
||||
self.ui.efVol_Stuff.setText(str(stuff_vol))
|
||||
self.ui.efVol_Free.setText(str(garage_vol - stuff_vol))
|
||||
|
||||
if ( garage_vol - stuff_vol ) < 0:
|
||||
self.ui.efVol_Free.setStyleSheet("border: 1px solid red;")
|
||||
else:
|
||||
self.ui.efVol_Free.setStyleSheet("")
|
||||
|
||||
def calc_weight(self):
|
||||
tblStuff = self.ui.tableStuff
|
||||
weight_sum = 0
|
||||
|
||||
# get number of rows
|
||||
row_count = tblStuff.rowCount()
|
||||
|
||||
for row in range(row_count):
|
||||
weight = 0.0
|
||||
item = tblStuff.item(row, COL_WEIGHT)
|
||||
if item:
|
||||
try:
|
||||
weight = float(item.text())
|
||||
except ValueError:
|
||||
weight = 0.0
|
||||
|
||||
weight_sum = weight_sum + weight
|
||||
|
||||
self.ui.efWeight.setText(str(weight_sum))
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
qApp = QApplication([])
|
||||
|
||||
qApp.setApplicationName(APP_NAME)
|
||||
qApp.setApplicationDisplayName(APP_DISPNAME)
|
||||
qApp.setApplicationVersion(APP_VERSION)
|
||||
qApp.description = APP_DESCR
|
||||
qApp.copyright = APP_COPYRIGHT
|
||||
qApp.website = APP_WEBSITE
|
||||
qApp.setWindowIcon(QIcon(APP_ICON))
|
||||
qApp.setDesktopFileName(APP_DESKTOPFILENAME)
|
||||
|
||||
winMain = MyMainWindow()
|
||||
winMain.setFixedWidth(600)
|
||||
winMain.setFixedHeight(620)
|
||||
winMain.show()
|
||||
sys.exit(qApp.exec_())
|
||||
Loading…
Add table
Add a link
Reference in a new issue