def __init__(self, parent, info, title="Channel Properties"):
super().__init__(parent)
self.setWindowTitle(title)
self.model = QStandardItemModel(info["nchan"], 4)
self.model.setHorizontalHeaderLabels(["#", "Label", "Type", "Bad"])
for index, ch in enumerate(info["chs"]):
item = QStandardItem()
item.setData(index, Qt.DisplayRole)
item.setFlags(item.flags() & ~Qt.ItemIsEditable)
self.model.setItem(index, 0, item)
self.model.setItem(index, 1, QStandardItem(ch["ch_name"]))
kind = channel_type(info, index).upper()
self.model.setItem(index, 2, QStandardItem(str(kind)))
bad = QStandardItem()
bad.setData(ch["ch_name"] in info["bads"], Qt.UserRole)
bad.setCheckable(True)
bad.setEditable(False)
checked = ch["ch_name"] in info["bads"]
bad.setCheckState(Qt.Checked if checked else Qt.Unchecked)
self.model.setItem(index, 3, bad)
self.model.itemChanged.connect(bad_changed)
self.proxymodel = MySortFilterProxyModel()
self.proxymodel.setDynamicSortFilter(False)
self.proxymodel.setSourceModel(self.model)
self.view = QTableView()
self.view.setModel(self.proxymodel)
self.view.setItemDelegateForColumn(2, ComboBoxDelegate(self.view))
self.view.setEditTriggers(QAbstractItemView.AllEditTriggers)
self.view.verticalHeader().setVisible(False)
self.view.horizontalHeader().setStretchLastSection(True)
self.view.setShowGrid(False)
self.view.setSelectionMode(QAbstractItemView.NoSelection)
self.view.setSortingEnabled(True)
self.view.sortByColumn(0, Qt.AscendingOrder)
vbox = QVBoxLayout(self)
vbox.addWidget(self.view)
self.buttonbox = QDialogButtonBox(QDialogButtonBox.Ok
| QDialogButtonBox.Cancel)
vbox.addWidget(self.buttonbox)
self.buttonbox.accepted.connect(self.accept)
self.buttonbox.rejected.connect(self.reject)
self.resize(475, 650)
self.view.setColumnWidth(0, 70)
self.view.setColumnWidth(1, 155)
self.view.setColumnWidth(2, 90)
def create_table_item(data: Any, editable: bool = False):
"""
Factory function to create a relevant Qt-model item type
for the given parameters. For non-editable items a QStandardItem
can be used with just a string representation of the data. For
editable items we must store the original data such that if editing
fails it can be reset.
:param data: Data to be stored in the item
:param editable: Boolean indicating if the item can be edited
"""
if editable:
return RevertibleItem(data)
else:
item = QStandardItem(str(data))
item.setFlags(item.flags() & ~Qt.ItemIsEditable)
return item