class OWEditDomain(widget.OWWidget):
name = "Edit Domain"
description = "Rename features and their values."
icon = "icons/EditDomain.svg"
priority = 3125
inputs = [("Data", Orange.data.Table, "set_data")]
outputs = [("Data", Orange.data.Table)]
settingsHandler = settings.DomainContextHandler()
domain_change_hints = settings.ContextSetting({})
selected_index = settings.ContextSetting({})
autocommit = settings.Setting(False)
def __init__(self):
super().__init__()
self.data = None
self.input_vars = ()
self._invalidated = False
box = gui.vBox(self.controlArea, "Domain Features")
self.domain_model = itemmodels.VariableListModel()
self.domain_view = QListView(
selectionMode=QListView.SingleSelection
)
self.domain_view.setModel(self.domain_model)
self.domain_view.selectionModel().selectionChanged.connect(
self._on_selection_changed)
box.layout().addWidget(self.domain_view)
box = gui.hBox(self.controlArea)
gui.button(box, self, "Reset Selected", callback=self.reset_selected)
gui.button(box, self, "Reset All", callback=self.reset_all)
gui.auto_commit(self.controlArea, self, "autocommit", "Apply")
box = gui.vBox(self.mainArea, "Edit")
self.editor_stack = QStackedWidget()
self.editor_stack.addWidget(DiscreteVariableEditor())
self.editor_stack.addWidget(ContinuousVariableEditor())
self.editor_stack.addWidget(VariableEditor())
box.layout().addWidget(self.editor_stack)
@check_sql_input
def set_data(self, data):
"""Set input data set."""
self.closeContext()
self.clear()
self.data = data
if self.data is not None:
self._initialize()
self.openContext(self.data)
self._restore()
self.unconditional_commit()
def clear(self):
"""Clear the widget state."""
self.data = None
self.domain_model[:] = []
self.input_vars = []
self.domain_change_hints = {}
self.selected_index = -1
def reset_selected(self):
"""Reset the currently selected variable to its original state."""
ind = self.selected_var_index()
if ind >= 0:
var = self.input_vars[ind]
desc = variable_description(var, skip_attributes=True)
if desc in self.domain_change_hints:
del self.domain_change_hints[desc]
self.domain_model[ind] = var
self.editor_stack.currentWidget().set_data(var)
self._invalidate()
def reset_all(self):
"""Reset all variables to their original state."""
self.domain_change_hints = {}
if self.data is not None:
# To invalidate stored hints
self.domain_model[:] = self.input_vars
itemmodels.select_row(self.domain_view, self.selected_index)
self._invalidate()
def selected_var_index(self):
"""Return the selected row in 'Domain Features' view."""
rows = self.domain_view.selectedIndexes()
assert len(rows) <= 1
return rows[0].row() if rows else -1
def _initialize(self):
domain = self.data.domain
self.input_vars = tuple(domain) + domain.metas
self.domain_model[:] = list(self.input_vars)
def _restore(self):
# Restore the variable states from saved settings.
def transform(var):
vdesc = variable_description(var, skip_attributes=True)
if vdesc in self.domain_change_hints:
return variable_from_description(
self.domain_change_hints[vdesc],
compute_value=Orange.preprocess.transformation.Identity(var))
else:
return var
self.domain_model[:] = map(transform, self.input_vars)
# Restore the variable selection if possible
index = self.selected_index
if index >= len(self.input_vars):
index = 0 if len(self.input_vars) else -1
if index >= 0:
itemmodels.select_row(self.domain_view, index)
def _on_selection_changed(self):
self.selected_index = self.selected_var_index()
self.open_editor(self.selected_index)
def open_editor(self, index):
self.clear_editor()
if index < 0:
return
var = self.domain_model[index]
editor_index = 2
if var.is_discrete:
editor_index = 0
elif var.is_continuous:
editor_index = 1
editor = self.editor_stack.widget(editor_index)
self.editor_stack.setCurrentWidget(editor)
editor.set_data(var)
editor.variable_changed.connect(self._on_variable_changed)
def clear_editor(self):
current = self.editor_stack.currentWidget()
try:
current.variable_changed.disconnect(self._on_variable_changed)
except Exception:
pass
current.set_data(None)
def _on_variable_changed(self):
"""User edited the current variable in editor."""
assert 0 <= self.selected_index <= len(self.domain_model)
editor = self.editor_stack.currentWidget()
# Replace the variable in the 'Domain Features' view/model
old_var = self.input_vars[self.selected_index]
new_var = editor.get_data().copy(compute_value=Orange.preprocess.transformation.Identity(old_var))
self.domain_model[self.selected_index] = new_var
# Store the transformation hint.
old_var_desc = variable_description(old_var, skip_attributes=True)
self.domain_change_hints[old_var_desc] = variable_description(new_var)
self._invalidate()
def _invalidate(self):
self.commit()
def commit(self):
"""Send the changed data to output."""
new_data = None
if self.data is not None:
input_domain = self.data.domain
n_attrs = len(input_domain.attributes)
n_vars = len(input_domain.variables)
n_class_vars = len(input_domain.class_vars)
all_new_vars = list(self.domain_model)
attrs = all_new_vars[: n_attrs]
class_vars = all_new_vars[n_attrs: n_attrs + n_class_vars]
new_metas = all_new_vars[n_attrs + n_class_vars:]
new_domain = Orange.data.Domain(attrs, class_vars, new_metas)
new_data = self.data.from_table(new_domain, self.data)
self.send("Data", new_data)
def sizeHint(self):
sh = super().sizeHint()
return sh.expandedTo(QSize(660, 550))
def send_report(self):
if self.data is not None:
self.report_raw("", EditDomainReport(
old_domain=chain(self.data.domain.variables, self.data.domain.metas),
new_domain=self.domain_model).to_html())
else:
self.report_data(None)
class OWEditDomain(widget.OWWidget):
name = "Edit Domain"
description = "Rename features and their values."
icon = "icons/EditDomain.svg"
priority = 3125
class Inputs:
data = Input("Data", Orange.data.Table)
class Outputs:
data = Output("Data", Orange.data.Table)
settingsHandler = settings.DomainContextHandler()
domain_change_hints = settings.ContextSetting({})
selected_index = settings.ContextSetting({})
autocommit = settings.Setting(True)
def __init__(self):
super().__init__()
self.data = None
self.input_vars = ()
self._invalidated = False
box = gui.vBox(self.controlArea, "Domain Features")
self.domain_model = itemmodels.VariableListModel()
self.domain_view = QListView(selectionMode=QListView.SingleSelection,
uniformItemSizes=True)
self.domain_view.setModel(self.domain_model)
self.domain_view.selectionModel().selectionChanged.connect(
self._on_selection_changed)
box.layout().addWidget(self.domain_view)
box = gui.hBox(self.controlArea)
gui.button(box, self, "Reset Selected", callback=self.reset_selected)
gui.button(box, self, "Reset All", callback=self.reset_all)
gui.auto_commit(self.controlArea, self, "autocommit", "Apply")
box = gui.vBox(self.mainArea, "Edit")
self.editor_stack = QStackedWidget()
self.editor_stack.addWidget(DiscreteVariableEditor())
self.editor_stack.addWidget(ContinuousVariableEditor())
self.editor_stack.addWidget(VariableEditor())
box.layout().addWidget(self.editor_stack)
self.Error.add_message("duplicate_var_name",
"A variable name is duplicated.")
@Inputs.data
@check_sql_input
def set_data(self, data):
"""Set input dataset."""
self.closeContext()
self.clear()
self.data = data
if self.data is not None:
self._initialize()
self.openContext(self.data)
self._restore()
self.unconditional_commit()
def clear(self):
"""Clear the widget state."""
self.data = None
self.domain_model[:] = []
self.input_vars = []
self.domain_change_hints = {}
self.selected_index = -1
def reset_selected(self):
"""Reset the currently selected variable to its original state."""
ind = self.selected_var_index()
if ind >= 0:
var = self.input_vars[ind]
desc = variable_description(var, skip_attributes=True)
if desc in self.domain_change_hints:
del self.domain_change_hints[desc]
self.domain_model[ind] = var
self.editor_stack.currentWidget().set_data(var)
self._invalidate()
def reset_all(self):
"""Reset all variables to their original state."""
self.domain_change_hints = {}
if self.data is not None:
# To invalidate stored hints
self.domain_model[:] = self.input_vars
itemmodels.select_row(self.domain_view, self.selected_index)
self._invalidate()
def selected_var_index(self):
"""Return the selected row in 'Domain Features' view."""
rows = self.domain_view.selectedIndexes()
assert len(rows) <= 1
return rows[0].row() if rows else -1
def _initialize(self):
domain = self.data.domain
self.input_vars = domain.variables + domain.metas
self.domain_model[:] = list(self.input_vars)
def _restore(self):
# Restore the variable states from saved settings.
def transform(var):
vdesc = variable_description(var, skip_attributes=True)
if vdesc in self.domain_change_hints:
return variable_from_description(
self.domain_change_hints[vdesc],
compute_value=Orange.preprocess.transformation.Identity(
var),
)
else:
return var
self.domain_model[:] = map(transform, self.input_vars)
# Restore the variable selection if possible
index = self.selected_index
if index >= len(self.input_vars):
index = 0 if len(self.input_vars) else -1
if index >= 0:
itemmodels.select_row(self.domain_view, index)
def _on_selection_changed(self):
self.selected_index = self.selected_var_index()
self.open_editor(self.selected_index)
def open_editor(self, index):
self.clear_editor()
if index < 0:
return
var = self.domain_model[index]
editor_index = 2
if var.is_discrete:
editor_index = 0
elif var.is_continuous:
editor_index = 1
editor = self.editor_stack.widget(editor_index)
self.editor_stack.setCurrentWidget(editor)
editor.set_data(var)
editor.variable_changed.connect(self._on_variable_changed)
def clear_editor(self):
current = self.editor_stack.currentWidget()
try:
current.variable_changed.disconnect(self._on_variable_changed)
except Exception:
pass
current.set_data(None)
def _on_variable_changed(self):
"""User edited the current variable in editor."""
assert 0 <= self.selected_index <= len(self.domain_model)
editor = self.editor_stack.currentWidget()
# Replace the variable in the 'Domain Features' view/model
old_var = self.input_vars[self.selected_index]
new_var = editor.get_data().copy(
compute_value=Orange.preprocess.transformation.Identity(old_var))
self.domain_model[self.selected_index] = new_var
# Store the transformation hint.
old_var_desc = variable_description(old_var, skip_attributes=True)
self.domain_change_hints[old_var_desc] = variable_description(new_var)
self._invalidate()
def _invalidate(self):
self.commit()
def commit(self):
"""Send the changed data to output."""
new_data = None
var_names = [vn.name for vn in self.domain_model]
self.Error.duplicate_var_name.clear()
if self.data is not None:
if len(var_names) == len(set(var_names)):
input_domain = self.data.domain
n_attrs = len(input_domain.attributes)
n_class_vars = len(input_domain.class_vars)
all_new_vars = list(self.domain_model)
attrs = all_new_vars[:n_attrs]
class_vars = all_new_vars[n_attrs:n_attrs + n_class_vars]
new_metas = all_new_vars[n_attrs + n_class_vars:]
new_domain = Orange.data.Domain(attrs, class_vars, new_metas)
new_data = self.data.transform(new_domain)
else:
self.Error.duplicate_var_name()
self.Outputs.data.send(new_data)
def sizeHint(self):
sh = super().sizeHint()
return sh.expandedTo(QSize(660, 550))
def send_report(self):
if self.data is not None:
self.report_raw(
"",
EditDomainReport(
old_domain=chain(self.data.domain.variables,
self.data.domain.metas),
new_domain=self.domain_model,
).to_html(),
)
else:
self.report_data(None)
class LabelSelectionWidget(QWidget):
"""
A widget for selection of label values.
The widget displays the contents of the model with two widgets:
* The top level model items are displayed in a combo box.
* The children of the current selected top level item are
displayed in a subordinate list view.
.. note:: This is not a QAbstractItemView subclass.
"""
# Current group/root index has changed.
groupChanged = Signal(int)
# Selection for the current group/root has changed.
groupSelectionChanged = Signal(int)
def __init__(self):
super().__init__()
self.__model = None
self.__selectionMode = QListView.ExtendedSelection
self.__currentIndex = -1
self.__selections = {}
self.__parent = None
self.targets = []
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
def group_box(title):
box = QGroupBox(title)
box.setFlat(True)
lay = QVBoxLayout()
lay.setContentsMargins(0, 0, 0, 0)
box.setLayout(lay)
return box
self.labels_combo = QComboBox()
self.values_view = QListView(selectionMode=self.__selectionMode)
self.labels_combo.currentIndexChanged.connect(
self.__onCurrentIndexChanged)
l_box = group_box(self.tr("Label"))
v_box = group_box(self.tr("Values"))
l_box.layout().addWidget(self.labels_combo)
v_box.layout().addWidget(self.values_view)
layout.addWidget(l_box)
layout.addWidget(v_box)
self.setLayout(layout)
self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
def set_selection(self):
model = self.model()
# FIX: This assumes fixed target key/values order.
indices = [
model.index(i, 0, model.index(keyind, 0))
for keyind, selected in enumerate(self.__parent.stored_selections)
for i in selected
]
selection = itemselection(indices)
self.setCurrentGroupIndex(self.__parent.current_group_index)
self.setSelection(selection)
def selected_split(self):
group_index = self.currentGroupIndex()
if not (0 <= group_index < len(self.targets)):
return None, []
group = self.targets[group_index]
selection = [
ind.row() for ind in self.currentGroupSelection().indexes()
]
return group, selection
def set_data(self, parent, data):
""" Initialize widget state after receiving new data.
"""
self.__parent = parent
# self.__currentIndex = parent.current_group_index
if data is not None:
column_groups, row_groups = group_candidates(data)
self.targets = column_groups + row_groups
model = QStandardItemModel()
for item in [standarditem_from(desc) for desc in self.targets]:
model.appendRow(item)
self.setModel(model)
else:
self.targets = []
self.setModel(None)
def clear(self):
""" Clear the widget/model (same as ``setModel(None)``).
"""
if self.__model is not None:
self.values_view.selectionModel().clearSelection()
self.values_view.selectionModel().selectionChanged.disconnect(
self.__onSelectionChanged)
self.values_view.setModel(None)
self.labels_combo.setModel(QStandardItemModel(self.labels_combo))
self.__currentIndex = -1
self.__selections = {}
self.__model = None
def setModel(self, model):
"""
Set the source model for display.
The model should be a tree model with depth 2.
Parameters
----------
model : QtCore.QAbstractItemModel
"""
if model is self.__model:
return
self.clear()
if model is None:
return
self.__model = model
self.values_view.setModel(model)
self.values_view.setRootIndex(model.index(0, 0))
self.values_view.selectionModel().selectionChanged.connect(
self.__onSelectionChanged)
# will emit the currentIndexChanged (if the model is not empty)
self.labels_combo.setModel(model)
def model(self):
"""
Return the current model.
Returns
-------
model : QtCore.QAbstractItemModel
"""
return self.__model
def setCurrentGroupIndex(self, index):
"""
Set the current selected group/root index row.
Parameters
----------
index : int
Group index.
"""
self.labels_combo.setCurrentIndex(index)
def currentGroupIndex(self):
"""
Return the current selected group/root index row.
Returns
-------
row : index
Current group row index (-1 if there is no current index)
"""
return self.labels_combo.currentIndex()
def setSelection(self, selection):
"""
Set the model item selection.
Parameters
----------
selection : QtCore.QItemSelection
Item selection.
"""
if self.values_view.selectionModel() is not None:
indices = selection.indexes()
pind = defaultdict(list)
for index in indices:
parent = index.parent()
if parent.isValid():
if parent == self.__model.index(parent.row(),
parent.column()):
pind[parent.row()].append(QPersistentModelIndex(index))
else:
warnings.warn("Die Die Die")
else:
# top level index
pass
self.__selections = pind
self.__restoreSelection()
def selection(self):
"""
Return the item selection.
Returns
-------
selection : QtCore.QItemSelection
"""
selection = QItemSelection()
if self.__model is None:
return selection
for pind in chain(*self.__selections.values()):
ind = self.__model.index(pind.row(), pind.column(), pind.parent())
if ind.isValid():
selection.select(ind, ind)
return selection
def currentGroupSelection(self):
"""
Return the item selection for the current group only.
"""
if self.values_view.selectionModel() is not None:
return self.values_view.selectionModel().selection()
else:
return QItemSelection()
def __onCurrentIndexChanged(self, index):
self.__storeSelection(self.__currentIndex,
self.values_view.selectedIndexes())
self.__currentIndex = index
if self.__model is not None:
root = self.__model.index(index, 0)
self.values_view.setRootIndex(root)
self.__restoreSelection()
self.groupChanged.emit(index)
def __onSelectionChanged(self, old, new):
self.__storeSelection(self.__currentIndex,
self.values_view.selectedIndexes())
self.groupSelectionChanged.emit(self.__currentIndex)
def __storeSelection(self, groupind, indices):
# Store current values selection for the current group
groupind = self.__currentIndex
indices = [
QPersistentModelIndex(ind)
for ind in self.values_view.selectedIndexes()
]
self.__selections[groupind] = indices
def __restoreSelection(self):
# Restore previous selection for root (if available)
assert self.__model is not None
groupind = self.__currentIndex
root = self.__model.index(groupind, 0)
sel = self.__selections.get(groupind, [])
indices = [
self.__model.index(pind.row(), pind.column(), root) for pind in sel
if pind.isValid() and pind.parent() == root
]
selection = QItemSelection()
for ind in indices:
selection.select(ind, ind)
self.values_view.selectionModel().select(
selection, QItemSelectionModel.ClearAndSelect)
def sizeHint(self):
"""Reimplemented from QWidget.sizeHint"""
return QSize(100, 200)
class SelectionSetsWidget(QFrame):
"""
Widget for managing multiple stored item selections
"""
selectionModified = Signal(bool)
def __init__(self, parent):
QFrame.__init__(self, parent)
self.setContentsMargins(0, 0, 0, 0)
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(1)
self._setNameLineEdit = QLineEdit(self)
layout.addWidget(self._setNameLineEdit)
self._setListView = QListView(self)
self._listModel = QStandardItemModel(self)
self._proxyModel = QSortFilterProxyModel(self)
self._proxyModel.setSourceModel(self._listModel)
self._setListView.setModel(self._proxyModel)
self._setListView.setItemDelegate(ListItemDelegate(self))
self._setNameLineEdit.textChanged.connect(
self._proxyModel.setFilterFixedString)
self._completer = QCompleter(self._listModel, self)
self._setNameLineEdit.setCompleter(self._completer)
self._listModel.itemChanged.connect(self._onSetNameChange)
layout.addWidget(self._setListView)
buttonLayout = QHBoxLayout()
self._addAction = QAction(
"+", self, toolTip="Add a new sort key")
self._updateAction = QAction(
"Update", self, toolTip="Update/save current selection")
self._removeAction = QAction(
"\u2212", self, toolTip="Remove selected sort key.")
self._addToolButton = QToolButton(self)
self._updateToolButton = QToolButton(self)
self._removeToolButton = QToolButton(self)
self._updateToolButton.setSizePolicy(
QSizePolicy.MinimumExpanding, QSizePolicy.Minimum)
self._addToolButton.setDefaultAction(self._addAction)
self._updateToolButton.setDefaultAction(self._updateAction)
self._removeToolButton.setDefaultAction(self._removeAction)
buttonLayout.addWidget(self._addToolButton)
buttonLayout.addWidget(self._updateToolButton)
buttonLayout.addWidget(self._removeToolButton)
layout.addLayout(buttonLayout)
self.setLayout(layout)
self._addAction.triggered.connect(self.addCurrentSelection)
self._updateAction.triggered.connect(self.updateSelectedSelection)
self._removeAction.triggered.connect(self.removeSelectedSelection)
self._setListView.selectionModel().selectionChanged.connect(
self._onListViewSelectionChanged)
self.selectionModel = None
self._selections = []
def sizeHint(self):
size = QFrame.sizeHint(self)
return QSize(size.width(), 150)
def _onSelectionChanged(self, selected, deselected):
self.setSelectionModified(True)
def _onListViewSelectionChanged(self, selected, deselected):
try:
index = self._setListView.selectedIndexes()[0]
except IndexError:
return
self.commitSelection(self._proxyModel.mapToSource(index).row())
def _onSetNameChange(self, item):
self.selections[item.row()].name = str(item.text())
def _setButtonStates(self, val):
self._updateToolButton.setEnabled(val)
def setSelectionModel(self, selectionModel):
if self.selectionModel:
self.selectionModel.selectionChanged.disconnect(
self._onSelectionChanged)
self.selectionModel = selectionModel
self.selectionModel.selectionChanged.connect(self._onSelectionChanged)
def addCurrentSelection(self):
item = self.addSelection(
SelectionByKey(self.selectionModel.selection(),
name="New selection",
key=(1, 2, 3, 10)))
index = self._proxyModel.mapFromSource(item.index())
self._setListView.setCurrentIndex(index)
self._setListView.edit(index)
self.setSelectionModified(False)
def removeSelectedSelection(self):
i = self._proxyModel.mapToSource(self._setListView.currentIndex()).row()
self._listModel.takeRow(i)
del self.selections[i]
def updateCurentSelection(self):
i = self._proxyModel.mapToSource(self._setListView.selectedIndex()).row()
self.selections[i].setSelection(self.selectionModel.selection())
self.setSelectionModified(False)
def addSelection(self, selection, name=""):
self._selections.append(selection)
item = QStandardItem(selection.name)
item.setFlags(item.flags() ^ Qt.ItemIsDropEnabled)
self._listModel.appendRow(item)
self.setSelectionModified(False)
return item
def updateSelectedSelection(self):
i = self._proxyModel.mapToSource(self._setListView.currentIndex()).row()
self.selections[i].setSelection(self.selectionModel.selection())
self.setSelectionModified(False)
def setSelectionModified(self, val):
self._selectionModified = val
self._setButtonStates(val)
self.selectionModified.emit(bool(val))
def commitSelection(self, index):
selection = self.selections[index]
selection.select(self.selectionModel)
def setSelections(self, selections):
self._listModel.clear()
for selection in selections:
self.addSelection(selection)
def selections(self):
return self._selections
selections = property(selections, setSelections)
class SelectionSetsWidget(QFrame):
"""
Widget for managing multiple stored item selections
"""
selectionModified = Signal(bool)
def __init__(self, parent):
QFrame.__init__(self, parent)
self.setContentsMargins(0, 0, 0, 0)
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(1)
self._setNameLineEdit = QLineEdit(self)
layout.addWidget(self._setNameLineEdit)
self._setListView = QListView(self)
self._listModel = QStandardItemModel(self)
self._proxyModel = QSortFilterProxyModel(self)
self._proxyModel.setSourceModel(self._listModel)
self._setListView.setModel(self._proxyModel)
self._setListView.setItemDelegate(ListItemDelegate(self))
self._setNameLineEdit.textChanged.connect(
self._proxyModel.setFilterFixedString)
self._completer = QCompleter(self._listModel, self)
self._setNameLineEdit.setCompleter(self._completer)
self._listModel.itemChanged.connect(self._onSetNameChange)
layout.addWidget(self._setListView)
buttonLayout = QHBoxLayout()
self._addAction = QAction("+", self, toolTip="Add a new sort key")
self._updateAction = QAction("Update",
self,
toolTip="Update/save current selection")
self._removeAction = QAction("\u2212",
self,
toolTip="Remove selected sort key.")
self._addToolButton = QToolButton(self)
self._updateToolButton = QToolButton(self)
self._removeToolButton = QToolButton(self)
self._updateToolButton.setSizePolicy(QSizePolicy.MinimumExpanding,
QSizePolicy.Minimum)
self._addToolButton.setDefaultAction(self._addAction)
self._updateToolButton.setDefaultAction(self._updateAction)
self._removeToolButton.setDefaultAction(self._removeAction)
buttonLayout.addWidget(self._addToolButton)
buttonLayout.addWidget(self._updateToolButton)
buttonLayout.addWidget(self._removeToolButton)
layout.addLayout(buttonLayout)
self.setLayout(layout)
self._addAction.triggered.connect(self.addCurrentSelection)
self._updateAction.triggered.connect(self.updateSelectedSelection)
self._removeAction.triggered.connect(self.removeSelectedSelection)
self._setListView.selectionModel().selectionChanged.connect(
self._onListViewSelectionChanged)
self.selectionModel = None
self._selections = []
def sizeHint(self):
size = QFrame.sizeHint(self)
return QSize(size.width(), 150)
def _onSelectionChanged(self, selected, deselected):
self.setSelectionModified(True)
def _onListViewSelectionChanged(self, selected, deselected):
try:
index = self._setListView.selectedIndexes()[0]
except IndexError:
return
self.commitSelection(self._proxyModel.mapToSource(index).row())
def _onSetNameChange(self, item):
self.selections[item.row()].name = str(item.text())
def _setButtonStates(self, val):
self._updateToolButton.setEnabled(val)
def setSelectionModel(self, selectionModel):
if self.selectionModel:
self.selectionModel.selectionChanged.disconnect(
self._onSelectionChanged)
self.selectionModel = selectionModel
self.selectionModel.selectionChanged.connect(self._onSelectionChanged)
def addCurrentSelection(self):
item = self.addSelection(
SelectionByKey(self.selectionModel.selection(),
name="New selection",
key=(1, 2, 3, 10)))
index = self._proxyModel.mapFromSource(item.index())
self._setListView.setCurrentIndex(index)
self._setListView.edit(index)
self.setSelectionModified(False)
def removeSelectedSelection(self):
i = self._proxyModel.mapToSource(
self._setListView.currentIndex()).row()
self._listModel.takeRow(i)
del self.selections[i]
def updateCurentSelection(self):
i = self._proxyModel.mapToSource(
self._setListView.selectedIndex()).row()
self.selections[i].setSelection(self.selectionModel.selection())
self.setSelectionModified(False)
def addSelection(self, selection, name=""):
self._selections.append(selection)
item = QStandardItem(selection.name)
item.setFlags(item.flags() ^ Qt.ItemIsDropEnabled)
self._listModel.appendRow(item)
self.setSelectionModified(False)
return item
def updateSelectedSelection(self):
i = self._proxyModel.mapToSource(
self._setListView.currentIndex()).row()
self.selections[i].setSelection(self.selectionModel.selection())
self.setSelectionModified(False)
def setSelectionModified(self, val):
self._selectionModified = val
self._setButtonStates(val)
self.selectionModified.emit(bool(val))
def commitSelection(self, index):
selection = self.selections[index]
selection.select(self.selectionModel)
def setSelections(self, selections):
self._listModel.clear()
for selection in selections:
self.addSelection(selection)
def selections(self):
return self._selections
selections = property(selections, setSelections)