Description:
The App class owns an instance of Controller. The App class also has a Boot()
method, as well as a Shutdown() method.
The Controller is defined thus:
class Controller:
def __init__(self, app):
self.app = app
self.cmd_mgr = CommandManager(100)
…
Description:
The main app class **MainApp** is different to the App class in Pynsource \-
containing the main GUI handlers.
It points to a `umlcanvas` which is where all the fancy drawing is done, using
the wxPython GUI toolkit.
Here are some screenshots of what's possible to dra…
Description:
Most of the commands in Pynsource are wrapped in command objects, which have
an **execute** , undo and redo method.
This is a classic use of the Command design pattern.
These are diagrams from the GitHub repository of one of my other projects, Pynsource, a desktop UML app for Python.
This project has been going for 10+ years and is open source. It actually led to the creation of GitUML and shares parts of its Python parser.