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CONTROLLER.py
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CONTROLLER.py
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from PyQt6 import QtWidgets
from PyQt6.QtCore import Qt
import sys
import DATASET, CLASS_TABLE
class Controller:
def __init__(self, view, dataset=None):
self.data = dataset
self.view = view
if self.view is not None:
self.setup_connections()
def setup_connections(self):
# Bind buttons to functions
self.view.load_button.clicked.connect(self.load_dataset)
self.view.plot_button.clicked.connect(self.view.create_plot)
self.view.exit_button.clicked.connect(lambda: sys.exit())
self.view.actionExit.triggered.connect(lambda: sys.exit())
self.view.analyze_clips_btn.clicked.connect(self.view.analyze_clip)
self.view.clear_last_clip_btn.clicked.connect(self.view.undo_clip)
self.view.clear_all_clips_btn.clicked.connect(self.view.remove_clips)
self.view.recenter_button.clicked.connect(self.view.recenter_plot)
self.view.add_class_rule_btn.clicked.connect(self.view.add_rule)
self.view.clear_class_rules_btn.clicked.connect(self.view.remove_rules)
self.view.show_axes.stateChanged.connect(self.view.axes_func)
self.view.attribute_slide.valueChanged.connect(self.view.attr_slider)
self.view.check_classes.clicked.connect(self.view.check_all_class)
self.view.uncheck_classes.clicked.connect(self.view.uncheck_all_class)
self.view.check_attributes.clicked.connect(self.view.check_all_attr)
self.view.uncheck_attributes.clicked.connect(self.view.uncheck_all_attr)
self.view.cell_swap.__class__.dropEvent = self.view.table_swap
self.view.background_button.clicked.connect(self.view.open_background_color_picker)
self.view.axes_button.clicked.connect(self.view.open_axes_color_picker)
self.view.trace_mode.clicked.connect(self.view.trace_mode_func)
self.view.replot_overlaps_btn.clicked.connect(self.view.replot_overlaps)
self.view.replot_overlaps_btn.setEnabled(False)
self.view.save_model_button.clicked.connect(self.save_model)
# Set keyboard shortcuts
self.view.load_button.setShortcut(Qt.Key.Key_F1)
self.view.plot_button.setShortcut(Qt.Key.Key_F3)
self.view.exit_button.setShortcut(Qt.Key.Key_Escape)
self.view.recenter_button.setShortcut(Qt.Key.Key_F2)
self.view.trace_mode.setShortcut(Qt.Key.Key_T)
self.view.show_axes.setShortcut(Qt.Key.Key_A)
def display_data(self):
data_info_string = f'Dataset Name: {self.data.name} \nNumber of classes: {self.data.class_count} attributes: {self.data.attribute_count} samples: {self.data.sample_count}'
for index, ele in enumerate(self.data.class_names):
if len(self.data.count_per_class) > index:
data_info_string += f'\nClass {index + 1}: {ele} sample count: {self.data.count_per_class[index]}'
self.view.dataset_textbox.setText(data_info_string)
def save_model(self):
if not self.data or self.data.not_normalized_frame is None or self.data.not_normalized_frame.empty:
QtWidgets.QMessageBox.warning(self.view, "Warning", "There is no data to save.")
return
filename, _ = QtWidgets.QFileDialog.getSaveFileName(self.view, "Save File", "", "CSV Files (*.csv)")
if filename:
try:
# Ensure the filename has the correct extension
if not filename.endswith('.csv'):
filename += '.csv'
# Save the DataFrame to the specified CSV file
self.data.not_normalized_frame.to_csv(filename, index=False)
QtWidgets.QMessageBox.information(self.view, "Success", "The dataset has been saved successfully.")
except Exception as e:
QtWidgets.QMessageBox.critical(self.view, "Error", f"An error occurred while saving the file: {e}")
def load_dataset(self):
if self.data:
del self.data
self.data = DATASET.Dataset()
filename = QtWidgets.QFileDialog.getOpenFileName(self.view, 'Open File', 'datasets')
if filename[0] == '':
return
# GUI changes for changing datasets without restarting the application
if self.view.plot_widget and self.view.class_table and self.view.plot_layout:
self.view.plot_layout.removeWidget(self.view.plot_widget)
del self.view.plot_widget
self.view.plot_widget = None
self.view.plot_layout.addWidget(self.view.pl)
self.view.class_table_layout.removeWidget(self.view.class_table)
del self.view.class_table
self.view.class_table = None
self.view.class_table_layout.addWidget(self.view.class_pl)
self.view.class_pl_exists = True
self.view.attribute_table_layout.removeWidget(self.view.attribute_table)
del self.view.attribute_table
self.view.attribute_table = None
self.view.attribute_table_layout.addWidget(self.view.attribute_pl)
self.view.attribute_pl_exists = True
self.data.load_from_csv(filename[0])
self.display_data()
self.view.class_table = CLASS_TABLE.ClassTable(self.data, parent=self.view)