8.3.1 The SimpleAppContext Class

The SimpleAppContext class is intended to be used for applications which store state at the browser in hidden HTML fields. An inheritance diagram illustrates the relationship to the SimpleContext class described above.

Figure: The SimpleAppContext class
\includegraphics{simpleappcontext}

The methods available in SimpleAppContext and the location of their definition are show below.

Method Mixin
absolute_base_url() AppContext
add_header(name, value) ResponseMixin
add_session_vars(*names) SessionBase
base_url() AppContext
clear_active_select() ExecuteMixin
clear_locals() AppContext
current_url() AppContext
decode_session(text) SessionBase
default_session_var(name, value) SessionBase
del_header(name) ResponseMixin
del_session_vars(*names) SessionBase
encode_session() HiddenFieldSessionMixin
eval_expr(expr) NamespaceMixin
flush_content() ExecuteMixin
flush_html() ExecuteMixin
form_close() SimpleAppContext
form_open() NameRecorderMixin
get_active_select() ExecuteMixin
get_header(name) ResponseMixin
get_lookup(name) AppContext
get_macro(name) AppContext
get_macro_arg(name) ExecuteMixin
get_tagclass(name) AppContext
get_value(name) NamespaceMixin
has_value(name) NamespaceMixin
has_values(*names) NamespaceMixin
input_add(itype, name, unused_value, return_list) NameRecorderMixin
load_session() HiddenFieldSessionMixin
load_template(name) AppContext
load_template_once(name) AppContext
make_alias(name) NamespaceMixin
merge_request() NameRecorderMixin
merge_vars(*vars) NamespaceMixin
parsed_request_uri() AppContext
pop_content_trap() ExecuteMixin
pop_macro_args() ExecuteMixin
pop_page(target_page) AppContext
push_content_trap() ExecuteMixin
push_macro_args(args, defaults) ExecuteMixin
push_page(name, *args) AppContext
redirect(loc) AppContext
redirect_url(loc) AppContext
register_lookup(name, lookup) AppContext
register_macro(name, macro) AppContext
remove_session() SessionBase
req_equals(name) AppContext
reset_content() ExecuteMixin
run_template(name) AppContext
run_template_once(name) AppContext
save_session() HiddenFieldSessionMixin
send_content(data) ResponseMixin
send_redirect(loc) ResponseMixin
session_vars() SessionBase
set_active_select(select, value) ExecuteMixin
set_globals(dict) NamespaceMixin
set_header(name, value) ResponseMixin
set_page(name, *args) AppContext
set_request(req) AppContext
set_save_session(flag) SessionBase
set_value(name, value) NamespaceMixin
should_save_session() SessionBase
write_content(data) ExecuteMixin
write_headers() ResponseMixin

The SimpleAppContext class provides the following functionality to your application.

The methods implemented in the SimpleAppContext class are:

__init__( app)
When you inherit from the SimpleAppContext class you must call this constructor.

The app argument is passed to the AppContext constructor.

form_close( )
Invokes the form_close() method of the NameRecorderMixin class and encode_session() of the HiddenFieldSessionMixin class.