class ChecklistWindow(QWidget):
def __init__(self, aircraft_id):
super(ChecklistWindow, self).__init__()
# Set properties of the window
self.setWindowTitle("BTO and BPO Checklist")
self.resize(500, 700)
self.move(200,100)
self.checklist_state = 0
# Relative path for the default BPO and BTO checklist
BPO_checklist_file = os.path.join(rospkg.RosPack().get_path('yonah_rqt'), 'src/yonah_rqt', 'BPO_checklist.csv')
BTO_checklist_file = os.path.join(rospkg.RosPack().get_path('yonah_rqt'), 'src/yonah_rqt', 'BTO_checklist.csv')
# Check whether checklist is present, if not print a error message to terminal
try:
# If checklist is present, parse it and pass it to its respective variable
self.BPO_checklist = self.excel_parser(BPO_checklist_file)
self.BTO_checklist = self.excel_parser(BTO_checklist_file)
except:
rospy.logerr("Checklist files are missing or named wrongly. Please follow the original directory and naming")
exit()
# Create the layout
self.main_layout = QVBoxLayout()
self.buttons_layout = QHBoxLayout()
self.tree_widget_layout = QHBoxLayout()
# Create the widgets
self.create_widget()
self.has_message_opened = 0
# Add the widgets into the layouts
self.main_layout.addLayout(self.tree_widget_layout)
self.main_layout.addLayout(self.buttons_layout)
self.setLayout(self.main_layout)
# Create the main layout of widget
def create_widget(self):
# Create tree structure
self.create_tree()
# Declare buttons and connect each of them to a function
self.load_button = QPushButton('Load')
self.ok_button = QPushButton('OK')
self.cancel_button = QPushButton('Cancel')
self.load_button.pressed.connect(self.load_clicked)
self.ok_button.pressed.connect(self.ok_clicked)
self.cancel_button.pressed.connect(self.cancel_clicked)
# Add buttons into the layout
self.buttons_layout.addWidget(self.load_button)
self.buttons_layout.addWidget(self.cancel_button)
self.buttons_layout.addWidget(self.ok_button)
self.tree_widget_layout.addWidget(self.tree_widget)
# Create the tree layout of widget inside of the main layout
def create_tree(self):
# Set up the main tree widget
self.tree_widget = QTreeWidget()
self.tree_widget.setColumnCount(2)
self.tree_widget.setColumnWidth(0, 250)
self.tree_widget.setHeaderLabels(['Parts', 'Status'])
self.item = QTreeWidgetItem()
# Create the BPO section
self.BPO_header = QTreeWidgetItem(self.tree_widget)
self.BPO_header.setFlags(self.BPO_header.flags() | Qt.ItemIsTristate | Qt.ItemIsUserCheckable)
self.BPO_header.setText(0, 'BPO Checklist')
self.BPO_header.setExpanded(True)
self.create_item(self.BPO_header, self.BPO_checklist) # Adds the list of items into the section
# Create the BTO section
self.BTO_header = QTreeWidgetItem(self.tree_widget)
self.BTO_header.setFlags(self.BTO_header.flags() | Qt.ItemIsTristate | Qt.ItemIsUserCheckable)
self.BTO_header.setText(0, 'BTO Checklist')
self.BTO_header.setExpanded(True)
self.create_item(self.BTO_header, self.BTO_checklist) # Adds the list of items into the section
# Populate the tree layout with items
def create_item(self, parent, list):
section_header = [] # List of the section headers
for i in range (len(list)):
if (list[i][1] == '' and list[i][0] != ''):
section_header.append(list[i][0])
k = 0
# Iterate through the different sections
for j in range (len(section_header)):
# Child refers to the sections (mechanical, avionics, etc)
child = QTreeWidgetItem(parent)
child.setFlags(child.flags() | Qt.ItemIsTristate | Qt.ItemIsUserCheckable)
child.setText(0, section_header[j])
while k < len(list):
if list[k][0] in section_header:
# When the while loop encounters the first title, continue the loop
if (list[k][0] == section_header[0]):
k += 1
continue
# When the while loop encounters the next titles, break the loop so that the value of j increases
k += 1
break
# when the list contains empty cells, skip the cell and continue
elif list[k][0] == '':
k += 1
continue
# Add the list items to the treewidgetitem
# Grandchild refers to the items under each section (wing nuts, tail nuts, etc)
grandchild = QTreeWidgetItem(child)
grandchild.setText(0, list[k][0])
grandchild.setText(1, list[k][1])
grandchild.setCheckState(0, Qt.Unchecked) # Set all checkbox to its unchecked state
k += 1
# Read the excel sheet and parse it as an array
def excel_parser(self, file_name):
with open(file_name, 'r') as file:
checklist = []
reader = csv.reader(file)
for row in reader:
checklist.append(row)
return checklist
# Determines what happens when load button is clicked
def load_clicked(self):
# Use QFileDialog to open the system's file browser
filenames = QFileDialog.getOpenFileNames(
self, self.tr('Load from Files'), '.', self.tr('csv files {.csv} (*.csv)'))
# Iterate through the file names selected
for filename in filenames[0]:
# If the file names has the word BPO or BTO in it, remove current widget, add the loaded one
if (filename.find('BPO') != -1):
self.BPO_checklist = self.excel_parser(filename)
self.remove_widget()
self.create_widget()
elif (filename.find('BTO') != -1):
self.BTO_checklist = self.excel_parser(filename)
self.remove_widget()
self.create_widget()
else:
rospy.logerr('rqt: Checklist name must contain BPO or BTO')
self.close()
# Close all the main_layout
def remove_widget(self):
self.main_layout.removeWidget(self.tree_widget)
self.tree_widget.deleteLater()
self.buttons_layout.removeWidget(self.ok_button)
self.buttons_layout.removeWidget(self.cancel_button)
self.buttons_layout.removeWidget(self.load_button)
self.ok_button.deleteLater()
self.cancel_button.deleteLater()
self.load_button.deleteLater()
# Declare what will happen when ok button is clicked
def ok_clicked(self):
if self.BPO_header.checkState(0) != 2 or self.BTO_header.checkState(0) != 2: # User clicks ok without checking all
self.dialog_window("Some items in the checklist are still unchecked", "Do you still want to continue?", True)
else:
self.checklist_state = 1
self.close()
# Declare what will happen when cancel button is clicked
def cancel_clicked(self):
if self.BPO_header.checkState(0) != 0 or self.BTO_header.checkState(0) != 0: # User clicks cancel with some boxes checked
self.dialog_window('Some of your items are checked. Cancelling will uncheck all your items', 'Do you still want to continue?', False)
else:
self.BTO_header.setCheckState(0, Qt.Unchecked)
self.BPO_header.setCheckState(0, Qt.Unchecked)
self.close()
# Create a pop up window when user pre-emptively cancelled or clicked ok without completing the checklist
def dialog_window(self, message, detail, check):
self.message = QMessageBox()
self.has_message_opened = 1
self.message.setIcon(QMessageBox.Warning)
self.message.setText(message)
self.message.setInformativeText(detail)
self.message.setWindowTitle("Items are unchecked")
self.message.setStandardButtons(QMessageBox.Yes | QMessageBox.No)
self.message.show()
if check == True: # Check == True means it is from ok_clicked
self.message.buttonClicked.connect(self.message_action)
else:
self.message.buttonClicked.connect(self.message_action_uncheck)
# Determines what happens after dialog_window pops up from ok_button
def message_action(self, i):
if i.text() == '&Yes':
self.checklist_state = 1
self.close()
else:
self.message.close()
# Determines what happens after dialog_window pops up from cancel_button
def message_action_uncheck(self, i):
self.response = i.text()
if self.response == '&Yes':
self.checklist_state = 1
self.BTO_header.setCheckState(0, Qt.Unchecked)
self.BPO_header.setCheckState(0, Qt.Unchecked)
self.close()
else:
self.message.close()
# Shutdown function
def shutdown(self):
self.close()
if self.has_message_opened == 1:
self.message.close()
