def _commandAppendAndInsert(self, node, target, command, name):
"""
Processes Append and Insert commands for targets of Column and Table.
:param NamedTree node:
:param str target:
:param str command:
:param str name: name for new Column
:return str error:
"""
versioned = self.getVersionedFile()
UITable._versionCheckpoint(versioned, target, command)
error = Column.isPermittedName(name)
if self._isDuplicateInGlobalScope(name):
error = "%s conflics with existing names" % proposed_name
if error is None:
new_column = Column(name)
increment = 0
if command == "Append":
increment = 1
parent = node.getParent()
column_index = node.getPosition()
new_column_index = column_index + increment
parent.addChild(new_column, new_column_index)
return error
def _columnCommand(self, cmd_dict):
# Processes a UI request for a Column
# Input: cmd_dict - dictionary with the keys
# Output: response - response to user
error = None
target = "Column"
command = cmd_dict["command"]
column = self.visibleColumnFromIndex(cmd_dict["column_index"])
versioned = self.getVersionedFile()
if (command == "Append") or (command == "Insert"):
versioned.checkpoint(id="%s/%s" % (target, command))
name = cmd_dict["args"][0]
error = Column.isPermittedName(name)
if error is None:
new_column = Column(name)
increment = 0
if command == "Append":
increment = 1
column_index = self.indexFromColumn(column)
new_column_index = column_index + increment
self.addColumn(new_column, new_column_index)
elif command == "Delete":
versioned.checkpoint(id="%s/%s" % (target, command))
self.deleteColumn(column)
elif command == "Formula":
versioned.checkpoint(id="%s/%s" % (target, command))
formula = cmd_dict["args"][0]
if len(formula.strip()) == 0:
error = column.setFormula(None)
else:
error = column.setFormula(formula)
elif command == "Move":
versioned.checkpoint(id="%s/%s" % (target, command))
dest_column_name = cmd_dict["args"][0]
try:
if dest_column_name == "LAST":
new_column_index = self.numColumns() - 1
else:
dest_column = self.columnFromName(dest_column_name)
new_column_index = self.indexFromColumn(dest_column)
cur_column = self.visibleColumnFromIndex(cmd_dict["column_index"])
self.moveColumn(cur_column, new_column_index)
except Exception:
error = "Column %s does not exists." % dest_column_name
elif command == "Refactor":
versioned.checkpoint(id="%s/%s" % (target, command))
proposed_name = cmd_dict["args"][0]
try:
self.refactorColumn(column.getName(), proposed_name)
except Exception as err:
error = str(err)
elif command == "Rename":
versioned.checkpoint(id="%s/%s" % (target, command))
proposed_name = cmd_dict["args"][0]
if not self.renameColumn(column, proposed_name):
error = "%s is a duplicate column name." % proposed_name
else:
msg = "Unimplemented %s command: %s." % (target, command)
raise NotYetImplemented(msg)
response = self._createResponse(error)
return response
