def _create_actions(self):
act = QtGui.QAction('Edit style', self)
act.triggered.connect(nonpartial(self._edit_style))
self.addAction(act)
act = QtGui.QAction('Remove', self)
act.setShortcut(QtGui.QKeySequence(Qt.Key_Backspace))
act.setShortcutContext(Qt.WidgetShortcut)
act.triggered.connect(
lambda *args: self.model().removeRow(self.current_row()))
self.addAction(act)
class ClearAction(LayerAction):
_title = "Clear subset"
_tooltip = "Clear current subset"
_shortcut = QtGui.QKeySequence('Ctrl+K')
def _can_trigger(self):
return self.single_selection_subset_group()
def _do_action(self):
assert self._can_trigger()
subset = self.selected_layers()[0]
subset.subset_state = core.subset.SubsetState()
class NewAction(LayerAction):
_title = "New Subset"
_tooltip = "Create a new subset"
_shortcut = QtGui.QKeySequence('Ctrl+Shift+N')
_icon = 'glue_subset'
def _can_trigger(self):
return len(self.data_collection) > 0
def _do_action(self):
assert self._can_trigger()
self.data_collection.new_subset_group()
class DeleteAction(LayerAction):
_title = "Delete Layer"
_tooltip = "Delete the selected data and/or subset Groups"
_shortcut = QtGui.QKeySequence(Qt.Key_Backspace)
def _can_trigger(self):
selection = self.selected_layers()
return all(
isinstance(s, (core.Data, core.SubsetGroup)) for s in selection)
def _do_action(self):
assert self._can_trigger()
selection = self.selected_layers()
for s in selection:
if isinstance(s, core.Data):
self._layer_tree.data_collection.remove(s)
else:
assert isinstance(s, core.SubsetGroup)
self._layer_tree.data_collection.remove_subset_group(s)
