def do_quit(self, line):
arg = str(line).lower()
if not arg == "-f" and not len(self._std.new_data) == 0:
View.warning("The new data hasn't been saved. "
"Enter \"quit -f\" to quit without saving.")
else:
View.display("Thanks for using. Bye!")
return True
def do_show(self, line):
"""
Show command
:param line: (String) [-t|-p|-b] [object]
:return: None
:Author: Zhiming Liu
"""
# Get all instructions
args = list(arg.lower() for arg in str(line).split())
# Those commands are required single arguments
# single_commands = ["-a"]
# Those commands are required two arguments
plot_commands = ["-p", "-b"]
# Show data table
if args[0] == "-t":
if len(self._std.data) == 0 and len(self._std.new_data) == 0:
View.info("No data to display.")
if not len(self._std.data) == 0:
View.display("ORIGINAL DATA:")
View.display_data(self._std.data, ind=True)
if not len(self._std.new_data) == 0:
View.display("\nNEW DATA:")
View.display_data(self._std.new_data, ind=True)
View.display("\n(Input command \"save\" to save the new data)")
elif args[0] in plot_commands:
try:
if len(args) == 1:
raise IndexError("Incomplete command line.")
if args[0] == "-p":
self.show_pie(args[1])
if args[0] == "-b":
self.show_bar(args[1])
except IndexError as e:
View.error(str(e) + "\n")
View.help_show()
else:
View.info("Invalid command line.\n")
View.help_show()
def help_export():
View.display("Export data to a local file "
"that is specified in the command line.\n")
View.help_export()
def help_import():
View.display("Import data from a file "
"that is specified in the command line.\n")
View.help_import()
def help_quit():
View.display("This command is used for "
"quitting the command line mode\n")
View.help_quit()
def help_select():
View.display("Select a source of data for reading "
"and saving staff information.\n")
View.help_select()
def help_save():
View.display("This command is used for saving all newly added data "
"to the selected data source.\n")
View.help_save()
def help_add():
View.display("This command adds a new staff data to the system.\n")
View.help_add()
def help_show():
View.display("This command is used for displaying all data that "
"is existed in the system.\n")
View.help_show()