def setup_method(self):
self.app = get_qapp()
self.data1 = Data(x=[1, 2, 3], y=[3.5, 4.5, -1.0], z=['a', 'r', 'w'])
self.data2 = Data(a=[3, 4, 1], b=[1.5, -2.0, 3.5], c=['y', 'e', 'r'])
# Add a derived component so that we can test how we deal with existing ones
components = dict((cid.label, cid) for cid in self.data2.components)
pc = ParsedCommand('{a}', components)
link = ParsedComponentLink(ComponentID('d'), pc)
self.data2.add_component_link(link)
self.data_collection = DataCollection([self.data1, self.data2])
self.listener1 = ChangeListener(self.data1)
self.listener2 = ChangeListener(self.data2)
def accept(self):
for data in self._components:
cids_main = self._components[data]['main']
cids_derived = self._components[data]['derived']
cids_other = self._components[data]['other']
# First deal with renaming of components
for cid_new in cids_main + cids_derived:
label = self._state[data][cid_new]['label']
if label != cid_new.label:
cid_new.label = label
cids_all = data.pixel_component_ids + data.world_component_ids + cids_main + cids_derived + cids_other
cids_existing = data.components
for cid_old in cids_existing:
if not any(cid_old is cid_new for cid_new in cids_all):
data.remove_component(cid_old)
components = dict((cid.uuid, cid) for cid in data.components)
for cid_new in cids_derived:
if any(cid_new is cid_old for cid_old in cids_existing):
comp = data.get_component(cid_new)
if comp.link._parsed._cmd != self._state[data][cid_new][
'equation']._cmd:
comp.link._parsed._cmd = self._state[data][cid_new][
'equation']._cmd
comp.link._parsed._references = components
if data.hub:
msg = NumericalDataChangedMessage(data)
data.hub.broadcast(msg)
else:
pc = ParsedCommand(
self._state[data][cid_new]['equation']._cmd,
components)
link = ParsedComponentLink(cid_new, pc)
data.add_component_link(link)
data.reorder_components(cids_all)
super(ComponentManagerWidget, self).accept()
def accept(self):
for data in self._components_derived:
cids_derived = self._components_derived[data]
cids_other = self._components_other[data]
cids_all = cids_other + cids_derived
cids_existing = data.components
components = dict((cid.uuid, cid) for cid in data.components)
# First deal with renaming of components
for cid_new in cids_derived:
label = self._state[data][cid_new]['label']
if label != cid_new.label:
cid_new.label = label
# Second deal with the removal of components
for cid_old in cids_existing:
if not any(cid_old is cid_new for cid_new in cids_all):
data.remove_component(cid_old)
# Third, update/add arithmetic expressions as needed
for cid_new in cids_derived:
if any(cid_new is cid_old for cid_old in cids_existing):
comp = data.get_component(cid_new)
if comp.link._parsed._cmd != self._state[data][cid_new][
'equation']._cmd:
comp.link._parsed._cmd = self._state[data][cid_new][
'equation']._cmd
comp.link._parsed._references = components
if data.hub:
msg = NumericalDataChangedMessage(data)
data.hub.broadcast(msg)
else:
pc = ParsedCommand(
self._state[data][cid_new]['equation']._cmd,
components)
link = ParsedComponentLink(cid_new, pc)
data.add_component_link(link)
# Findally, reorder components as needed
data.reorder_components(cids_all)
super(ArithmeticEditorWidget, self).accept()