class DownloadOption(QWidget):
""" A Widget with download/update/remove options.
"""
download_clicked = Signal()
remove_clicked = Signal()
def __init__(self, state=AVAILABLE, parent=None):
QWidget.__init__(self, parent)
layout = QHBoxLayout()
layout.setSpacing(1)
layout.setContentsMargins(1, 1, 1, 1)
self.checkButton = QCheckBox()
layout.addWidget(self.checkButton)
self.setLayout(layout)
self.setMinimumHeight(20)
self.setMaximumHeight(20)
self._state = state
self._update()
@property
def state(self):
return self._state
@state.setter
def state(self, state):
self._state = state
self._update()
def _update(self):
self.checkButton.setDisabled(False)
if self.state == AVAILABLE:
self.checkButton.setChecked(False)
elif self.state == CURRENT:
self.checkButton.setChecked(True)
elif self.state == OUTDATED:
self.checkButton.setChecked(True)
elif self.state == DEPRECATED:
self.checkButton.setChecked(True)
elif self.state == USER_FILE:
self.checkButton.setChecked(False)
self.checkButton.setDisabled(True)
else:
raise ValueError("Invalid state %r" % self.state)
try:
self.checkButton.clicked.disconnect(
) # Remove old signals if they exist
except Exception:
pass
if not self.checkButton.isChecked(
): # Switch signals if the file is present or not
self.checkButton.clicked.connect(self.download_clicked)
else:
self.checkButton.clicked.connect(self.remove_clicked)
