def setEventHandler(self, geo, evt, code):
el = self.factory.get_element(geo)
print "Setting event listener for", el.label
if not code.strip():
try:
delattr(el, "on" + evt)
except AttributeError:
pass
return
code = pythonify(code)
code = "\n".join("\t" + line for line in code.split("\n"))
code = "def __handle_event__(self=__el__):\n%s" % code
try:
self.namespace['__el__'] = el
handler_def = compile(code, "<%s %s>" % (evt, el.label), 'exec')
exec handler_def in self.namespace
setattr(el, "on" + evt, self.namespace['__handle_event__'])
del self.namespace['__handle_event__']
except SyntaxError:
header = "Error while compiling '%s' action for '%s'" % (evt, geo)
self.show_traceback(header)
raise
finally:
del self.namespace['__el__']
def format_source(self, source):
if isinstance(source, basestring):
return pythonify(source)
else:
return source