diff options
| author | jblum <jblum@221aa14e-8319-0410-a670-987f0aec2ac5> | 2009-06-23 20:38:18 +0000 |
|---|---|---|
| committer | jblum <jblum@221aa14e-8319-0410-a670-987f0aec2ac5> | 2009-06-23 20:38:18 +0000 |
| commit | 9988664127b367fa8fee4409f8460673d6f265e1 (patch) | |
| tree | 96752c15b7f1447e5e78a7282d1de141f9e0000b /grc/base/Element.py | |
| parent | 885e6fe1fd0e06476511c79515f34ffcef50287d (diff) | |
Merging r11186:11273 from grc branch.
Fixes, features, and reorganization for grc.
Minor fixes and features for wxgui forms.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@11274 221aa14e-8319-0410-a670-987f0aec2ac5
Diffstat (limited to 'grc/base/Element.py')
| -rw-r--r-- | grc/base/Element.py | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/grc/base/Element.py b/grc/base/Element.py new file mode 100644 index 0000000000..16000c46c0 --- /dev/null +++ b/grc/base/Element.py @@ -0,0 +1,67 @@ +""" +Copyright 2008 Free Software Foundation, Inc. +This file is part of GNU Radio + +GNU Radio Companion is free software; you can redistribute it and/or +modify it under the terms of the GNU General Public License +as published by the Free Software Foundation; either version 2 +of the License, or (at your option) any later version. + +GNU Radio Companion is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA +""" + +class Element(object): + + def __init__(self, parent=None): + self._parent = parent + self.flag() + + def test(self): + """ + Test the element against failures. + Overload this method in sub-classes. + """ + pass + + ################################################## + # Element Validation API + ################################################## + def validate(self): self._error_messages = list() + def is_valid(self): return not self.get_error_messages() or not self.get_enabled() + def add_error_message(self, msg): self._error_messages.append(msg) + def get_error_messages(self): return self._error_messages + + def get_enabled(self): return True + + def get_parent(self): return self._parent + + ############################################## + ## Update flagging + ############################################## + def is_flagged(self): return self._flag + def flag(self): + self._flag = True + if self.get_parent(): self.get_parent().flag() + def deflag(self): + self._flag = False + if self.get_parent(): self.get_parent().deflag() + + ############################################## + ## Type testing methods + ############################################## + def is_element(self): return True + def is_platform(self): return False + def is_flow_graph(self): return False + def is_connection(self): return False + def is_block(self): return False + def is_source(self): return False + def is_sink(self): return False + def is_port(self): return False + def is_param(self): return False |