def _apply_variable_changes(self):
''' apply the changes the user made to the expression library '''
# Case XML (before) Editor (after) Change Action
# ----------------------------------------------------------
# A <none> local created create
# B local inherited reverted delete
# C local <none> deleted delete
# TODO: also check into the possibility that an inherited variable can have it's name
# changed (in this case don't overwrite the orginal variable's name. Instead create a new
# variable with the new name.
dirty_variables = [var for var in self.model.variables if var['dirty']]
# case A
create_set = [var for var in dirty_variables if var['originalnode'] is None]
delete_set = []
for xml_node in self.original_nodes:
if xml_node.get('inherited') is not None: # only care about local or shadowing nodes
continue
for variable in self.model.variables:
if variable['originalnode'] is xml_node: # original is represented in variable list
if variable['inherited']:
delete_set.append(xml_node) # Case B
break # stop looking
else: # did not find node
delete_set.append(xml_node) # case C
# the rest of the variables should just be updated
update_set = [var for var in dirty_variables if
not var['originalnode'] in delete_set and var not in create_set]
# Apply the changes to each set of nodes
expression_lib = self.project.find('general/expression_library')
for variable in create_set:
# print 'CREATE SET ', variable
node = node_from_variable(variable)
# print ' node', node
self.project.insert_node(node, expression_lib)
for variable in update_set:
node = node_from_variable(variable)
original_node = variable['originalnode'] # reference to the actual XML node
# print 'UPDATE SET %s (original %s)' %(variable['name'], original_node)
self.project.make_local(original_node)
for key in node.attrib:
if not key == 'inherited':
original_node.set(key, node.get(key))
if 'dataset' in original_node.attrib:
del original_node.attrib['dataset']
original_node.text = node.text
for node in delete_set:
# print 'DELETE SET %s' % (node)
self.project.delete_node(node)
self.initialize()
something_changed = bool(update_set or create_set or delete_set)
update_mainwindow_savestate(something_changed)
get_mainwindow_instance().emit(SIGNAL('variables_updated'))
return True
def _apply_variable_changes(self):
''' apply the changes the user made to the expression library '''
# TODO: also check into the possibility that an inherited variable can have its name
# changed (in this case don't overwrite the original variable's name. Instead create a new
# variable with the new name.)
dirty_variables = [var for var in self.model.all_variables if var['dirty']]
# partition dirty variables into create, delete and update sets
create_set = [var for var in dirty_variables if var['originalnode'] is None]
delete_set = [var for var in dirty_variables if var['delete'] and var['originalnode'] is not None]
# the rest of the variables should just be updated
update_set = [var for var in dirty_variables if
not var['originalnode'] in delete_set and var not in create_set]
# verify if we have a partition
assert(set([str(var) for var in create_set]) | set([str(var) for var in delete_set]) | set([str(var) for var in update_set])
== set([str(var) for var in dirty_variables]))
assert(set([str(var) for var in create_set]) & set([str(var) for var in delete_set]) & set([str(var) for var in update_set])
== set())
# Apply the changes to each set of nodes
expression_lib = self.project.find('general/expression_library')
for variable in create_set:
# print 'CREATE SET ', variable
node = node_from_variable(variable)
# print ' node', node
self.project.insert_node(node, expression_lib)
for variable in update_set:
node = node_from_variable(variable)
original_node = variable['originalnode'] # reference to the actual XML node
# print 'UPDATE SET %s (original %s)' %(variable['name'], original_node)
self.project.make_local(original_node)
for key in node.attrib:
if not key == 'inherited':
original_node.set(key, node.get(key))
if 'dataset' in original_node.attrib:
del original_node.attrib['dataset']
original_node.text = node.text
for variable in delete_set:
# print 'DELETE SET %s' % (node)
self.project.delete_node(variable['originalnode'])
self.initialize()
something_changed = bool(update_set or create_set or delete_set)
update_mainwindow_savestate(something_changed)
get_mainwindow_instance().emit(SIGNAL('variables_updated'))
return True
def _apply_variable_changes(self):
''' apply the changes the user made to the expression library '''
# TODO: also check into the possibility that an inherited variable can have its name
# changed (in this case don't overwrite the original variable's name. Instead create a new
# variable with the new name.)
dirty_variables = [
var for var in self.model.all_variables if var['dirty']
]
# partition dirty variables into create, delete and update sets
create_set = [
var for var in dirty_variables if var['originalnode'] is None
]
delete_set = [
var for var in dirty_variables
if var['delete'] and var['originalnode'] is not None
]
# the rest of the variables should just be updated
update_set = [
var for var in dirty_variables
if not var['originalnode'] in delete_set and var not in create_set
]
# verify if we have a partition
assert (set([str(var) for var in create_set])
| set([str(var) for var in delete_set])
| set([str(var) for var in update_set]) == set(
[str(var) for var in dirty_variables]))
assert (set([str(var) for var in create_set])
& set([str(var) for var in delete_set])
& set([str(var) for var in update_set]) == set())
# Apply the changes to each set of nodes
expression_lib = self.project.find('general/expression_library')
for variable in create_set:
# print 'CREATE SET ', variable
node = node_from_variable(variable)
# print ' node', node
self.project.insert_node(node, expression_lib)
for variable in update_set:
node = node_from_variable(variable)
original_node = variable[
'originalnode'] # reference to the actual XML node
# print 'UPDATE SET %s (original %s)' %(variable['name'], original_node)
self.project.make_local(original_node)
for key in node.attrib:
if not key == 'inherited':
original_node.set(key, node.get(key))
if 'dataset' in original_node.attrib:
del original_node.attrib['dataset']
original_node.text = node.text
for variable in delete_set:
# print 'DELETE SET %s' % (node)
self.project.delete_node(variable['originalnode'])
self.initialize()
something_changed = bool(update_set or create_set or delete_set)
update_mainwindow_savestate(something_changed)
get_mainwindow_instance().emit(SIGNAL('variables_updated'))
return True
