def _setup_invalid_gui(self):
not_available = QLabel('Data access unavailable')
not_available.alignment = Qt.AlignCenter
not_available.enabled = False
layout = QGridLayout(self)
layout.add_widget(not_available)
QMessageBox.warning(self, 'Data access unavailable',
'Data access unavailable.')
def build(widget, *, size, align, fit_to: bool | str):
native = QLabel(fit_to if isinstance(fit_to, str) else widget.text)
native.alignment = to_alignment_lookup[align]
native.style_sheet = (
widget._impl_cache_
) = f"font-size: {to_qt_font_size(size)}; padding: 5px;"
w, h = native.size_hint().to_tuple()
return (
native,
(int(1.2 * w), int(1.2 * h)),
)
def _setup_view_widget(self,
view_widget,
title,
model,
update_slot,
width=250):
view_widget.set_model(model)
view_widget.selection_behavior = QtWidgets.QAbstractItemView.SelectRows
view_widget.selection_model().selectionChanged.connect(update_slot)
view_widget.edit_triggers = QtWidgets.QAbstractItemView.NoEditTriggers
count_widget = QLabel()
count_widget.alignment = Qt.AlignRight
font = count_widget.font
font.set_italic(True)
count_widget.font = font
widget = QWidget()
if width > 0:
widget.set_fixed_width(width)
layout = QVBoxLayout(widget)
layout.add_widget(QLabel(title))
layout.add_widget(view_widget)
layout.add_widget(count_widget)
layout.contents_margins = QtCore.QMargins(0, 0, 0, 0)
return view_widget, count_widget, widget
