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dupeguru/qt/progress_window.py
Andrew Senetar 091cae0cc6
feat: Add confirmation dialog when canceling job
- Implement a confirmation dialog for cancellation of jobs, required
  changing from QProgressDialog to QDialog to keep cleaner.
- Update ui translation source file

Close #1033, #515
2023-01-06 00:06:55 -06:00

85 lines
3.3 KiB
Python

# Copyright 2016 Hardcoded Software (http://www.hardcoded.net)
#
# This software is licensed under the "GPLv3" License as described in the "LICENSE" file,
# which should be included with this package. The terms are also available at
# http://www.gnu.org/licenses/gpl-3.0.html
from PyQt5.QtCore import Qt, QTimer
from PyQt5.QtWidgets import QDialog, QMessageBox, QVBoxLayout, QLabel, QProgressBar, QPushButton
from hscommon.trans import tr
class ProgressWindow:
def __init__(self, parent, model):
self._window = None
self.parent = parent
self.model = model
model.view = self
# We don't have access to QProgressDialog's labels directly, so we se the model label's view
# to self and we'll refresh them together.
self.model.jobdesc_textfield.view = self
self.model.progressdesc_textfield.view = self
# --- Callbacks
def refresh(self): # Labels
if self._window is not None:
self._window.setWindowTitle(self.model.jobdesc_textfield.text)
self._label.setText(self.model.progressdesc_textfield.text)
def set_progress(self, last_progress):
if self._window is not None:
if last_progress < 0:
self._progress_bar.setRange(0, 0)
else:
self._progress_bar.setRange(0, 100)
self._progress_bar.setValue(last_progress)
def show(self):
flags = Qt.CustomizeWindowHint | Qt.WindowTitleHint | Qt.WindowSystemMenuHint
self._window = QDialog(self.parent, flags)
self._setup_ui()
self._window.setModal(True)
self._timer = QTimer(self._window)
self._timer.timeout.connect(self.model.pulse)
self._window.show()
self._timer.start(500)
def _setup_ui(self):
self._window.setWindowTitle(tr("Cancel"))
vertical_layout = QVBoxLayout(self._window)
self._label = QLabel("", self._window)
vertical_layout.addWidget(self._label)
self._progress_bar = QProgressBar(self._window)
self._progress_bar.setRange(0, 100)
vertical_layout.addWidget(self._progress_bar)
self._cancel_button = QPushButton(tr("Cancel"), self._window)
self._cancel_button.clicked.connect(self.cancel)
vertical_layout.addWidget(self._cancel_button)
def cancel(self):
if self._window is not None:
confirm_dialog = QMessageBox(
QMessageBox.Icon.Question,
tr("Cancel?"),
tr("Are you sure you want to cancel? All progress will be lost."),
QMessageBox.StandardButton.No | QMessageBox.StandardButton.Yes,
self._window,
)
confirm_dialog.setDefaultButton(QMessageBox.StandardButton.No)
result = confirm_dialog.exec_()
if result != QMessageBox.StandardButton.Yes:
return
self.close()
def close(self):
# it seems it is possible for close to be called without a corresponding
# show, only perform a close if there is a window to close
if self._window is not None:
self._timer.stop()
del self._timer
self._window.close()
self._window.setParent(None)
self._window = None
self.model.cancel()