def itemChange(self, change, value):
# for selection changes test against QGraphicsItem.ItemSelectedChange
# intercept the change instead of the has changed to enable features.
if change == QGraphicsItem.ItemSelectedChange and self.scene():
viewroot = self._viewroot
current_filter_dict = viewroot.selectionFilterDict()
selection_group = viewroot.vhiHandleSelectionGroup()
# only add if the selection_group is not locked out
if value == True and self._filter_name in current_filter_dict:
if self.group() != selection_group:
selection_group.pendToAdd(self)
selection_group.setSelectionLock(selection_group)
self.setSelectedColor(True)
return True
else:
return False
# end if
elif value == True:
# don't select
return False
else:
# Deselect
selection_group.pendToRemove(self)
self.setSelectedColor(False)
return False
# end else
# end if
return QGraphicsEllipseItem.itemChange(self, change, value)
def itemChange(self, change, value):
#print('%s.itemChange' % (self.__class__.__name__), ' change: %d, value:' % change, value)
valnew = QGraphicsEllipseItem.itemChange(self, change, value)
if change == self.ItemSelectedHasChanged:
#self.set_control_points_visible(visible=True)
self.set_control_points_visible(visible=self.isSelected())
return valnew
def itemChange(self, change: QGraphicsItem.GraphicsItemChange,
value: Any) -> bool:
"""Used for selection of the :class:`VirtualHelixHandleItem`
Args:
change: parameter that is changing
value : new value whose type depends on the ``change`` argument
Returns:
If the change is a ``QGraphicsItem.ItemSelectedChange``::
``True`` if selected, other ``False``
Otherwise default to :meth:`QGraphicsEllipseItem.itemChange()` result
"""
if change == QGraphicsItem.ItemSelectedChange and self.scene():
viewroot = self._viewroot
current_filter_set = viewroot.selectionFilterSet()
selection_group = viewroot.vhiHandleSelectionGroup()
# print("filter set", current_filter_set, self.FILTER_NAME)
# only add if the selection_group is not locked out
if value == True and self.FILTER_NAME in current_filter_set: # noqa
if self.group() != selection_group:
if not selection_group.isPending(self):
selection_group.pendToAdd(self)
selection_group.setSelectionLock(selection_group)
self.setSelectedColor(True)
return False # only select if mode says so
return True
else:
return False
# end if
elif value == True: # noqa
# print("don't select", value)
# don't select
return False
else:
# Deselect
# print("Deselect", value)
selection_group.pendToRemove(self)
self.setSelectedColor(False)
return False
# end else
# end if
else:
return QGraphicsEllipseItem.itemChange(self, change, value)
def itemChange(self, change, value):
"""For selection changes test against QGraphicsItem.ItemSelectedChange
intercept the change instead of the has changed to enable features.
Args:
change (TYPE): Description
value (TYPE): Description
"""
if change == QGraphicsItem.ItemSelectedChange and self.scene():
viewroot = self._viewroot
current_filter_set = viewroot.selectionFilterSet()
selection_group = viewroot.vhiHandleSelectionGroup()
# print("filter set", current_filter_set, self.FILTER_NAME)
# only add if the selection_group is not locked out
if value == True and self.FILTER_NAME in current_filter_set: # noqa
if self.group() != selection_group:
if not selection_group.isPending(self):
selection_group.pendToAdd(self)
selection_group.setSelectionLock(selection_group)
self.setSelectedColor(True)
return False # only select if mode says so
return True
else:
return False
# end if
elif value == True: # noqa
# print("don't select", value)
# don't select
return False
else:
# Deselect
# print("Deselect", value)
selection_group.pendToRemove(self)
self.setSelectedColor(False)
return False
# end else
# end if
else:
return QGraphicsEllipseItem.itemChange(self, change, value)
def itemChange(self, change, value):
"""For selection changes test against QGraphicsItem.ItemSelectedChange
intercept the change instead of the has changed to enable features.
Args:
change (TYPE): Description
value (TYPE): Description
"""
if change == QGraphicsItem.ItemSelectedChange and self.scene():
viewroot = self._viewroot
current_filter_set = viewroot.selectionFilterSet()
selection_group = viewroot.vhiHandleSelectionGroup()
# print("filter set", current_filter_set, self.FILTER_NAME)
# only add if the selection_group is not locked out
if value == True and self.FILTER_NAME in current_filter_set: # noqa
if self.group() != selection_group:
if not selection_group.isPending(self):
selection_group.pendToAdd(self)
selection_group.setSelectionLock(selection_group)
self.setSelectedColor(True)
return False # only select if mode says so
return True
else:
return False
# end if
elif value == True: # noqa
# print("don't select", value)
# don't select
return False
else:
# Deselect
# print("Deselect", value)
selection_group.pendToRemove(self)
self.setSelectedColor(False)
return False
# end else
# end if
else:
return QGraphicsEllipseItem.itemChange(self, change, value)
def itemChange(self, change, value):
if change == QGraphicsItem.ItemPositionChange:
self.path.updateElement(self.index, value.toPointF())
return QGraphicsEllipseItem.itemChange(self, change, value)
def itemChange(self, change, value):
if change == QGraphicsItem.ItemPositionChange and self.scene():
command = CommandMoveItem(self, value)
self.scene().undoStack.push(command)
return QGraphicsEllipseItem.itemChange(self, change, value)
